2009-073 By-law to Adopt Amendment No. 27 to the Official PlanTHE CORPORATION OF THE TOWNSHIP OF ORO-MEDONTE
BY-LAW NO. 2009-073
Being a By-law to Adopt
Amendment No. 27 to the Official Plan
WHEREAS The Corporation of the Township of Oro-Medonte is empowered to Amend
its Official Plan as required;
AND WHEREAS the process for considering such an Amendment was in accordance
with Section 17 and 21 of the Planning Act, R.S.O. 1990 c.P 13.
AND WHEREAS the amendments to the Official Plan are deemed to be appropriate
and in the public interest:
NOW THEREFORE it is resolved that:
1. Amendment Number 27 to the Official Plan, attached hereto as Schedule 'A-1 "and
forming part of this By-Law, is hereby adopted and;
2. This By-law shall come into force and take effect as specified in the Planning Act
R.S.O. 1990, c.P. 13.
BY-LAW READ A FIRST AND SECOND TIME THIS 27th DAY OF MAY, 2009.
BY-LAW READ A THIRD TIME AND FINALLY PASSED THIS 27th DAY OF MAY,
2009.
THE CORPORATION OF THE TOWNSHIP OF ORO-MEDONTE
4or, 14. S.fiughes
Twin
Schedule 'A-1'
Official Plan Amendment No. 27
Township of Oro-Medonte
This is Schedule 'A-1' to By-Law No. 2009-073 passed the 27th day of May,
2009.
erk, . Doudlas Irwin `
Mayor, H. S. Hughes
OFFICIAL PLAN
of the
TOWNSHIP OF ORO-MEDONTE
AMENDMENT NO. 27
To amend the Official Plan and to adopt and incorporate into the
Official Plan a Secondary Plan for the Craighurst Community
May 27, 2009
OFFICIAL PLAN
of the
TOWNSHIP OF ORO-MEDONTE
AMENDMENT NO. 27
This Amendment was adopted by the Corporation of the Township of Oro-
Medonte by By-law Number 2009-073 in accordance with Sections 17 and 21 of
the Planning Act R.S.O. 1990 C.P. 13 on the 27th day of May 2009.
Mayor H.S. Hughes
Clerk, J. Douglas Irwin
TABLE OF CONTENTS
Page
PART I INTRODUCTION 1
1.0 GENERAL
.1
2.0 PURPOSE
.1
3.0 LOCATION
. 1
4.0 BASIS
PART II - THE OFFICIAL PLAN AMENDMENT
. 1
1. THE OFFICIAL PLAN AMENDMENT
. 1
2. IMPLEMENTATION AND INTERPRETATION
. 2
PART III - THE SECONDARY PLAN
. 1
C18. CRAIGHURST SECONDARY PLAN
. 1
C18.1 INTRODUCTION
. 1
C18.2 COMMUNITY DIRECTIONS AND STRATEGIC OBJECTIVES
. 1
C18.3 LAND USE CONCEPT
. 5
C18.4 LAND USE PLAN
. 5
C18.5 URBAN DESIGN
14
C18.6 CULTURAL HERITAGE RESOURCES
18
C18.7 TRANSPORTATION
20
C18.8 SERVICING
22
C18.9 DEVELOPMENT PHASING
23
C18.10 DEVELOPER COST SHARE AGREEMENTS - FINANCIAL AGREEMENTS
25
C18.11 TIMING OF DEVELOPMENT
26
C18.12 RELATIONSHIP WITH OFFICIAL PLAN
27
C18.13 MINIMUM DISTANCE SEPARATION
27
C18.14 IMPLEMENTING ZONING BY-LAW
27
PART I - INTRODUCTION
Township of Oro-Medonte
Official Plan Amendment No. 27
Prepared by Meridian Planning Consultants
(This is not an operative
part of Official Plan
Amendment No. 27)
May 27, 2009
PART I INTRODUCTION
(This is not an operative part of Official Plan Amendment No.27)
1.0 GENERAL
PART 1 - INTRODUCTION, is included for information purposes and is intended
to clearly articulate the goals and objectives of the Township. The
Introduction is not an operative part of this Official Plan Amendment.
PART 11 - THE AMENDMENT, including Schedules 'Al and AT attached thereto,
indicates specific amendments to the Official Plan being effected by Official
Plan Amendment No. 27 and is an operative part of this Official Plan
Amendment.
PART III - THE SECONDARY PLAN, including Schedule `A3' attached thereto
constitutes the Secondary Plan for the Craighurst Community. Part III is also an
operative part of this Official Plan Amendment.
THE APPENDICES contain information, which assists in providing the basis for
this Amendment.
2.0 PURPOSE
The purpose of this Amendment is to provide the basis for the development of
the Craighurst Settlement Area.
3.0 LOCATION
The lands subject to this Amendment have an area of approximately 113
hectares. Of this land area, about 77 hectares is located within the settlement
area boundary established by the Township of Oro-Medonte Official Plan. The
remaining 36 hectares is located outside of the settlement area and is being
added to the settlement area by this Amendment. Of this amount, 30 hectares
is proposed to be the site of new development and 6 hectares applies to a
number of single-detached dwellings located on both sides of County Road 93
and north of the existing settlement area boundary.
The settlement area is centred on the intersection of two County Roads -
County Road 22 and County Road 93. The settlement area is bounded on the
west by Highway 400 and a main north-south Canadian Pacific Rail line. Lands
to the south of the settlement area are used for agricultural purposes. Lands
to the north of the lands subject to this Amendment are also used for
agricultural purposes, while lands to the east are wooded and subject to the
Oro Moraine Planning Area policies of the Official Plan.
Township of Oro-Medonte
Official Plan Amendment No. 27
Prepared by Meridian Planning Consultants
May 27, 2009
4.0 BASIS
4.1 Basis for Craighurst as a Growth Area
The first Official Plan for the Township of Oro-Medonte was approved in 1997.
This Official Plan replaced five previous Official Plans as they applied to all or
portions of the five municipalities that were amalgamated into the Township of
Oro-Medonte on January 1, 1994. The Official Plan process at that time
provided the Municipality with the opportunity to review growth and
settlement issues on a larger scale.
Prior to the creation of the Township of Oro-Medonte, virtually all development
occurred historically in rural areas either through the process of consent, in the
shoreline areas or on estate and country residential plans of subdivision. To a
very large extent, the rolling topography and natural beauty of the Township
were reasons for this development pattern. However, Council recognized in
the 1990's that this pattern of development was not sustainable and as a
result, the new Official Plan at that time prohibited the creation of additional
lots in estate residential areas, limited the number of lots that could be
created by consent and curtailed the further expansion of the un-serviced
shoreline development area. While prohibiting these forms of development,
the Official Plan encouraged development in the future to take place in
settlement areas. In this regard, both Craighurst and Hawkestone were
identified as the two areas in which long-term planning to accommodate
growth should be carried out.
The 1997 Official Plan also indicated that the permanent population of the
Township would increase by between 8,000 and 10,000 people by 2016. Based
on an analysis of the supply of land available for development and the number
of vacant lots and registered plans of subdivision at the time, it was
determined that there was a need to plan for additional development in
settlement areas in order to implement that population projection since
Provincial policy required that each Municipality plan for up to 20 years
growth. It is for this reason that Secondary Plans for both Craighurst and
Hawkestone were initiated in 1999.
Prior to the creation of the Township of Oro-Medonte in 1994, each quadrant of
Craighurst was located in a different municipality and it was not possible to
carry-out any comprehensive planning for the community. The Secondary Plan
process initiated in 1999 provided that opportunity. Craighurst was selected as
one of two areas in the Township which were considered to be ideally suited
for growth because:
• It is centred on the intersection of two major County Roads;
• It is located adjacent to a full interchange with Highway 400;
It is located at the gateway to a large recreational and residential area
centred on Horseshoe Resort and Sugarbush;
Township of Oro-Medonte
Official Plan Amendment No. 27
Prepared by Meridian Planning Consultants
May 27, 2009
• It had a strong history as a cross-roads community on the historic
Penetanguishene Road;
It is located on the flanks of the Oro Moraine and soil conditions are such
that a range of options with respect to sewage disposal were thought to be
feasible; and,
The potential was high that there would be no issues with respect to
securing an adequate supply of potable water.
The Craighurst Secondary Plan process was delayed to allow for the completion
of the Intergovernmental Action Plan (IGAP), the Oro Moraine Land Use
planning exercise and the Official Plan Review in the 2001 to 2006 period.
The product of the Oro Moraine planning exercise was Official Plan Amendment
No. 16 which identified a number of areas on the Oro Moraine that should be
protected from incompatible development. OPA 16 also confirmed the existing
Official Plan direction that the preferred means of servicing in Craighurst be
full municipal services. A number of significant environmental areas were also
identified and included within land use designations that prevented
development. One such designation was the Oro Moraine Core/Corridor Area
designation and certain lands located directly to the east of the then existing
Craighurst settlement area boundary were placed in that designation. In
addition, a new Oro Moraine Enhancement Area designation was established
and it was applied to the watercourse corridors that were located on the south-
western and north-eastern borders of the Craighurst Settlement Area and to a
corridor located between an existing watercourse in the north-east section of
the settlement area and a large wooded area that was identified as a Core area
located to the east. The results of the Oro Moraine planning exercise are
factored into this Amendment.
The Official Plan review also initiated in 2001 at the same time as a review of
the Oro Moraine resulted in the preparation of Official Plan Amendment No. 17.
OPA 17 also reaffirmed the Township's growth and settlement policy
framework and reaffirmed that Craighurst was to be planned for additional
development, preferably on full municipal services.
During the time OPA 16 and 17 was being prepared, applications to develop a
42 lot estate residential subdivision were submitted for lands located on the
Oro Moraine and south of Craighurst. These applications were refused by
Council and appealed by the applicant to the Ontario Municipal Board. In a
decision of the OMB dated April 18, 2006, the Board refused the applications
since they were not consistent with the Township's growth and settlement area
strategy. Specifically, evidence was provided to the Board, which indicated
that there was no need to designate additional lands for development since
commitments had already been made through policy and the initiation of a
Secondary Plan for Craighurst to develop up to 700 new units in the
community. Following the decision of the OMB, the applicant sought leave to
appeal that decision to Divisional Court. That request was also refused.
Township of Oro-Medonte
Official Plan Amendment No. 27
Prepared by Meridian Planning Consultants
May 27, 2009
The following was also noted in the OMB decision:
"The Board, while it has wide powers to amend or modify
municipal Official Plans should use this authority with
circumspection and should not interfere in this fundamental
municipal planning and decision making process unless it is
clear:
a) That the municipality has made fundamental errors in its
assessment of its need for development lands and its
ability through its land use designations and growth
management strategies to achieve its projected growth;
or
b) That the decisions with respect to its growth and
settlement strategies are at odds with the directions of
the Provincial Policy Statement; or
c) That there has been a breach of the prescribed planning
process afforded individuals as a matter of right."
In making a decision on the application, it is further indicated in the OMB
Decision that:
"The Board is satisfied that the Growth and Settlement Strategy
as set out in the 1997 Official Plan is sound, represents in good
planning, and clearly articulates the direction that the
Municipality wishes to take with respect to residential
development. It is a Growth Strategy endorsed by the Province.
This strategy is in conformity with the County of Simcoe Official
Plan and has had proper regard for and is consistent with the
1997 PPS. "
4.2 THE SETTLEMENT AREA AND THE STUDY AREA
In 1999, the original Terms of Reference and work program for the Craighurst
Secondary Plan identified a study area that extended beyond the boundaries of
the settlement area itself. At that time, as is the case now, the settlement
area had an area of 77 hectares, of which about 38 hectares were developed
and 39 hectares were undeveloped. The study area identified in 1999 included
the whole of the settlement area and added lands to each quadrant. In 2001,
the size of the study area was significantly reduced in both the northeast and
southeast quadrants as a result of the completion of environmental studies and
a review of the study area by the Nottawasaga Valley Conservation Authority.
It was never anticipated that the entire study area would be required for
development. Instead, the study area was sized so that as many options as
possible were available for consideration as part of the planning process.
Township of Oro-Medonte 4
Official Plan Amendment No. 27
Prepared by Meridian Planning Consultants May 27, 2009
Following the establishment of a reduced study area in 2001, a considerable
amount of work on the servicing, stormwater and transportation components of
the Secondary Plan was initiated and then completed, with reports being
prepared in 2004 and 2007/2008. In response to suggestions made by the
Ministry of Environment at the time, it was decided that it would be
appropriate to integrate the Environmental Assessment process with the
planning process under the Planning Act. As a result, work completed in the
last few years by the Township on the servicing aspects related to the
Secondary Plan was prepared in accordance with the Environmental Assessment
process. The product of this work is this Amendment, which establishes that
full services are required within the settlement area. This Amendment
therefore establishes the principle of developing full services in the settlement
area.
In a report dated April 2008, TSH (now AECOM) identifies a number of
alternatives with respect to the provision of sewer, water and stormwater
management facilities and services. The TSH report concludes that there are a
number of viable options with respect to servicing in the Craighurst Settlement
Area. On the basis of a review of these options, TSH has concluded that:
1. There is an adequate supply of potable water available to service new
development in the Settlement Area;
2. There are a number of viable sewage collection and treatment options
that can be implemented in accordance with current Ministry of
Environment regulations and guidelines;
3. A number of viable stormwater management options exist, with each of
these options being developed in accordance with Ministry of
Environment Best Management Practices; and,
4. A number of operational improvements to the road network will be
required to support development.
4.3 The Community Design Process
In 2001/2002 it was determined that if single detached lots that had a frontage
of between 12 and 18 metres were developed in the community that up to 700
dwelling units, plus an elementary school and community park, could be
developed in the full extent of the study area identified at that time.
However, the 2005 Provincial Policy Statement and then the 2006 Growth Plan
for the Greater Golden Horseshoe combined now require that densities be
higher in settlement areas where full municipal services exist or will be
provided.
As a result, the pattern of development suggested in 2001/2002 is no longer
considered to be neither appropriate nor sustainable. The Growth Plan for the
Greater Golden Horseshoe requires that the minimum density for new
development in Greenfield areas be 50 persons and jobs per hectare.
However, an alternative minimum density can be established in the "outer
ring" of the Greater Golden Horseshoe, which includes the County of Simcoe.
Township of Oro-Medonte
Official Plan Amendment No. 27
Prepared by Meridian Planning Consultants
May 27, 2009
On this basis, as part of the 2008 County of Simcoe Official Plan review
process, a minimum density of 32 persons and jobs per hectare has been
established for the majority of the settlement areas (with the exception of the
larger settlements in the County such as Alliston which have a higher minimum
density) in the County of Simcoe. This Amendment implements the County
Official Plan's requirement for a minimum density of 32.
A number of options that review which lands are the most appropriate for
settlement area expansion were prepared and considered prior to the
preparation of this Amendment. These options are included within Appendix A
to this Amendment. Given the location of Highway 400, the CP rail line and
significant environmental areas, additional Greenfield land outside of the
settlement area can only be sited in the northeast and southwest quadrants of
the community. On this basis, options, which show development occurring in
either or both, were prepared for discussion purposes.
Given that approximately 700 units are required to provide for the population
growth anticipated by the Official Plan, the 700-unit amount was used as the
starting point in the determination of how much land was required for new
development. In this regard each single-detached dwelling is anticipated to
have a household size of 2.7 people. Each multiple dwelling, such as a
townhouse, is expected to have a household size of 2.2 people. If the
residential unit count were divided into a 75/25 split, that would mean that
525 units would be low-density residential units and 175 units would be
medium density residential units. Based on the household sizes above, the 700
units would then generate 1,802 people, which translate into a blended
household size of 2.57.
In addition to the above, an elementary school with 540 students would have a
staff of approximately 30. Lastly, if 50,000 square feet of commercial floor
space was developed, about 150 jobs could potentially be created (at one job
per 30 square metres). Lastly, with a nursing home, another 40 jobs could be
created. As a result the total number of people and jobs that could be
accommodated within Craighurst, based on the assumptions above is 2,022.
Based on the above, the amount of development/ Greenfield land required to
support additional development based on a density of 32 persons and jobs per
hectare is 63.18 hectares. It is recognized that some of the new jobs would be
created on lands within the core area and already located within the
settlement area. As a result, the amount of net Greenfield land required is
designed to be flexible, to allow for a range of development options and for a
full range of sewage treatment and disposal options.
It is noted that environmental areas are excluded from any area calculations
carried out to determine land needs in. accordance with Section 2.2.7.3 of the
Growth Plan. This means that the lands to be protected from development
adjacent to the watercourses and the woodlots that have been identified are to
be excluded from the density calculation.
Township of Oro-Medonte
Official Plan Amendment No. 27
Prepared by Meridian Planning Consultants
May 27, 2009
The amount of net Greenfield land within the current Settlement Area is 39
hectares. Given that a total of 63 hectares is required, an additional 24
hectares of net Greenfield land is required. This amount was increased by 6.0
hectares to ensure that the infrastructure required for sewage treatment and
disposal could be included within the settlement area. It is recognized that all
or some of this infrastructure could be located within the existing settlement
area boundary.
Given that up to 30 hectares of additional net Greenfield land is required,
(Which includes a 6.0 hectare allowance for servicing) the locating of this
amount of land in the southwest quadrant is not possible, since the amount of
Greenfield land potentially available in the southwest quadrant beyond the
current settlement area boundary is about 17 hectares. As a result, there is a
need to expand into the northeast quadrant under any scenario to
accommodate the amount of land required.
The options also identified alternative locations for a new 4.0 hectare
community park and 2.0 hectare site for a new elementary school to be
developed on full municipal services. At the present time, the elementary
school serving the area is located in a rural area to the south on private
services. In order to advance the principles of developing complete
communities, the establishment of an elementary school within the community
was considered to be a priority throughout the planning process. In addition,
siting a community park in Craighurst was also considered to be a priority since
there are no large community/area wide parks in Craighurst and area. Lastly,
the development of housing for seniors and others that may be retired was also
considered to be a priority and on this basis, a 1.0 hectare area of land was
also identified in all of the concepts. One constant in all of the concepts was
an enlarged central area focused on the County Road 22/County Road 93
intersection in which additional commercial and residential development in a
more urban context would be encouraged. All of the above considerations
were designed to support the establishment of as `complete' a community as
possible in Craighurst.
A more detailed review of the environmental features located within the
northeast quadrant and the boundaries of the areas considered to be significant
were identified by the landowner as the above options were being developed.
These lands included the lands within the Oro Moraine Core/Corridor
designation and the Oro Moraine Enhancement Area designation established by
OPA 16. The combined area of these environmental areas is about 15 hectares
and this land area was subtracted from the amount of Greenfield land
required, since environmental areas are not counted according to the Growth
Plan in the density calculation. On the basis of this more recent analysis, there
are about 30.5 net hectares of Greenfield land in the northeast quadrant of the
study area and outside of the settlement area.
All of the options were assessed and it was determined that the most
appropriate location for expansion is in the northeast quadrant. Lands in the
south-west quadrant were not considered to be appropriate for expansion since
Township of Oro-Medonte 7
Official Plan Amendment No. 27
Prepared by Meridian Planning Consultants May 27, 2009
there would be a need for at least one crossing of a sensitive watercourse,
options for additional access to the expansion area from Horseshoe Valley Road
(County Road 22) do not exist and because of the proximity of both Highway
400 and a main north-south CP Rail line to the area. Both of these
transportation facilities are expected to have negative impacts on development
located nearby.
On the basis of the above, the 30 hectare expansion is proposed by this
Amendment to be located within the northeast quadrant of the settlement
area. Lands that are currently within the Oro Moraine Enhancement area
designation will be designated Environmental Protection One by this
Amendment and will be protected from development, although a north-south
road crossing will be required.
This Amendment establishes the maximum number of new dwelling units that
can be established within Craighurst at 700. The previous settlement area
boundary contained approximately 39 hectares of undeveloped land which
includes 6.0 hectares for sewage treatment and disposal if all of the land was
required for infrastructure, and it was estimated that approximately 412
dwelling could be accommodated in the former area. This Secondary Plan
determines that a total of approximately 69 hectares of undeveloped land is to
be included in the settlement area boundary in order to properly accommodate
the growth anticipated in this community, in order to achieve a total of 700
new dwelling units across all of the undeveloped land in Craighurst. This 69
hectares of undeveloped land in total is intended to accommodate 700 new
dwelling units, a potential school site, parks, infrastructure and associated
'Core Area' and 'Community Use Area' uses, a certain amount of flexibility is
required to accommodate the amount of development anticipated by this
Amendment on the lands designated for development by this Amendment .
With respect to the community park, elementary school and
nursing/ retirement facility, this Amendment establishes that the most ideal
location for these facilities is in the northeast quadrant of the study area, and
as close to the intersection of County Roads 22 and 93 as possible. This
Amendment also strongly supports the establishment of a vibrant community
core and an extensive system of trails and paths that are integrated within the
community's natural heritage system and the Copeland Forest and Ganaraska
Trail located to the north-east of the settlement area.
Township of Oro-Medonte
Official Plan Amendment No. 27
Prepared by Meridian Planning Consultants
8
May 27, 2009
PART 11 - THE
AMENDMENT
(This is an operative
part of Official Plan
Amendment No. 27).
PART II - THE OFFICIAL PLAN AMENDMENT
(This is an operative part of Official Plan Amendment No.27)
1. THE OFFICIAL PLAN AMENDMENT
1.1 The Official Plan is amended by deleting the last paragraph of Section A4.2.4
and replacing it with the following:
"in order to provide for additional development in accordance
with the objectives of this Official Plan, a Secondary Plan has
been prepared to provide for the logical development of the
Craighurst Settlement Area on full municipal services. "
1.2 The Official Plan is amended by adding the following sentence to the end of
Section A4.3:
"The policies of this Official Plan have provided the basis for
the preparation and the consideration of a Secondary Plan for
Craighurst, with such a Secondary Plan involving the expansion
of the Craighurst Settlement Area by approximately 30
hectares. "
1.3 The Official Plan is amended by adding the following sentence to the end of
Section C3.2:
"Medium density uses such as townhouses and apartments in
low-rise buildings may be permitted within Settlement Areas
that are serviced by full municipal water and sewage services. "
1.4 The Official Plan is amended by deleting Section C3.3.2 (Special Development
Policy for Craighurst) in its entirety and renumbering all other remaining
sections accordingly.
1.5 The Official Plan is amended by including the lands shown on Schedule Al to
this Amendment as being within the Craighurst Settlement Area as shown on
Schedule A to the Official Plan.
1.6 The Official Plan is amended by adding a boundary around the Craighurst
Settlement Area on Schedule A and noting on Schedule A that the lands within
this boundary are subject to Section C18 of the Official Plan.
1.7 The Official Plan is amended by adding a new Section C18 (Craighurst
Secondary Plan) as contained in Part III of this Official Plan Amendment.
Township of Oro-Medonte 7
Official Plan Amendment No. 27
Prepared by Meridian Planning Consultants May 27, 2009
2. IMPLEMENTATION AND INTERPRETATION
The provisions of the Oro-Medonte Official Plan relative to implementation and
interpretation shall apply in regard to this Amendment; except that in the
event of conflict, the provisions of this Amendment shall prevail.
Township of Oro-Medonte
Official Plan Amendment No. 27
Prepared by Meridian Planning Consultants
2
May 27, 2009
Schedule Al
Official Plan Amendment No. 27
Township of Oro Medonte
1~,, 31
~(b
® NTS
Lands to be designated as Settlement Area
This is Schedule 'A1' to OPA No. 27
Passed this day of , 2009
MERIDIAN
P NT
April 23, 2009 Mayor Clerk
Schedule A2
Official Plan Amendment No. 27
Township of Oro Medonte
tk1
~o\
g f.
Lands subject to Section C18 of this Plan
MERIDIAN
PLANNING CONSULTANTS INC.
April 23, 2009
Mayor Clerk
NTS
This is Schedule 'A2' to OPA No. 27
Passed this day of , 2009
PART 111 - THE
SECONDARY PLAN
(This is an operative
part of Official Plan
Amendment No. 27)
PART III - THE SECONDARY PLAN
(This is an operative part of Official Plan Amendment No. 27)
C18. CRAIGHURST SECONDARY PLAN
C18.1 INTRODUCTION
C18.1.1 General
The following text and Schedule A3 constitute the Secondary Plan for
the Craighurst Secondary Plan. The boundaries of the Secondary Plan
area are shown on Schedule A3.
C18.1.2 Purpose
The primary purpose of this Secondary Plan is to provide the basis for
the development of a diverse community area in a manner that has the
greatest positive impact on the quality of life in Craighurst and adjacent
area.
C18.2 COMMUNITY DIRECTIONS AND STRATEGIC OBJECTIVES
C18.2.1 Goal
Encourage the provision and maintenance of an appropriate mix of
Residential, Commercial and Institutional Uses
C18.2.1.1 Strategic Objectives
a) Encourage the development of a range of uses that will support
Craighurst and the Township as a whole as a place to live, work
and play.
b) Create a sense of civic identify and pride through a high standard
of urban design for all new development.
C) Encourage the provision of a full range of housing opportunities
for present and future residents of all ages and incomes.
d) Encourage the integration of new development areas into the
fabric of the existing community.
e) Encourage the provision of a broader range of services for
residents in the community and area.
f) Encourage the development of employment uses for local
residents.
Township of Oro-Medonte 1
Official Plan Amendment No. 27
Prepared by Meridian Planning Consultants May 27, 2009
C18.2.2 Goal
Facilitate the safe movement of people and goods and enhanced
travel to, from and within the community.
C18.2.2.1 Strategic Objectives
a) Encourage the establishment of a street pattern in new
development areas that is based on a permeable grid pattern of
collectors and local roads.
b) Encourage and facilitate pedestrian and bicycle traffic and the
use of trails and paths.
C) Encourage the development of an integrated transportation
system that safely and efficiently accommodates all modes of
transportation.
d) Minimize the disruption and negative impact associated with the
movement of commercial goods (rail, truck etc.)
e) Provide for the establishment of trail connections between
Craighurst and the Copeland Forest and the Ganaraska Trail
C18.2.3 Goal
Encourage cost effective and timely Municipal community
infrastructure development
C18.2.3.1 Strategic Objectives
a) Encourage the efficient use of land to make the best use of
infrastructure and services.
b) Ensure that appropriate financial plans and infrastructure
strategies are in place before development occurs.
C) Ensure that appropriate phasing strategies are in place to
support the appropriate distribution and density of new
development to achieve the overall development pattern and
density target for the settlement area as a whole, while
recognizing that variations to densities on individual sites may be
appropriate in consideration of other benefits achieved as a
result of such adjustments, which benefits might for example
include; improved community services, community or
educational facilities and infrastructure.
d) Ensure that the cost of infrastructure development is borne by
the landowners who will benefit.
Township of Oro-Medonte 2
Official Plan Amendment No. 27
Prepared by Meridian Planning Consultants May 27, 2009
C18.2.4 Goal
Encourage well timed service delivery
C18.2.4.1 Strategic Objectives
a) Ensure that hard and soft service needs are identified up front
and then appropriately prioritized and delivered either before or
at the same time as new development.
b) Encourage the development of public facilities in appropriate
locations at the right time to meet the needs of present and
future residents.
C) Encourage the appropriate school board to consider the
development of a new urban school in Craighurst as soon in the
development cycle as possible to support the establishment of a
complete community.
C18.2.5 Goal
Promote and facilitate active and healthy lifestyles and life long
learning
C18.2.5.1 Strategic Objectives
a) Encourage the establishment of a healthy community that is
made up of an interconnected system of open spaces, walking
trails, bicycle routes and natural heritage features.
b) Promote the development of a strong arts and cultural
community that builds upon local knowledge, history and
experience.
C) Encourage the consolidation of community and recreational uses,
such as schools, cultural facilities, libraries, day nurseries and
recreational facilities when possible.
d) Encourage the development of housing geared to seniors
adjacent to educational facilities.
C18.2.6 Goal
Protect and enhance natural features
C18.2.6.1 Strategic Objectives
a) Protect and enhance significant natural heritage features and
their associated ecological and hydrological functions.
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b) Maintain, restore and where
diversity and connectivity
ecological functions.
possible, enhance or improve the
of natural heritage features and
c) Encourage the integration of the parks and open space system
with the natural heritage system wherever possible.
d) Encourage through proper planning that the features and related
function of natural environment areas are not negatively
impacted by public use.
e) Encourage the use of building materials and building
construction that minimize energy use.
f) Encourage the infiltration of water into the ground at source
wherever possible through the use of permeable paving materials
and other infiltration at source solutions.
18.2.7 Infrastructure
18.2.7.1
18.2.7.2
Goal
Ensure that all infrastructure, including sanitary sewers, water
distribution and stormwater management facilities and roads meet
the needs of present and future residents and businesses in an
efficient, environmentally-sensitive, cost effective and timely
manner.
Strategic Objectives
a) To ensure that consideration is given to the economics of
providing services to the people of the Township as part of the
review of any development proposal to ensure that the
development pattern is efficient and does not lead to
inefficiencies or a decline in the level of municipal service.
b) To ensure that all necessary infrastructure required to serve the
Secondary Plan area is built as necessary prior to, or coincident
with, urban development.
C) To establish an integrated transportation system that safely and
efficiently accommodates various modes of transportation
including trains, automobiles, trucks, buses, cycling and walking.
d) To establish a street pattern within new development areas that
is based on a permeable grid pattern of collector and local
roads.
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C18.3 LAND USE CONCEPT
The designations that are intended to implement the Goals and Strategic
Objectives contained within Section C18.2 are described below:
C18.3.1 Living Area
This designation applies to lands that are intended to be primarily used
for residential purposes in the Secondary Plan Area.
C18.3.2 Core Area
This designation is intended to apply to lands that are intended to be
used for retail and service employment uses and a range of residential
uses in a mixed-use setting.
C18.3.3 Community Use Area
This designation applies to lands that will be the site of parkland, public
recreational facilities, school facilities and places of worship.
C18.3.4 Environmental Protection One
This designation applies to lands, which are not to be developed
because they are the site of significant natural heritage features
C18.4 LAND USE PLAN
C18.4.1 Living Area
C18.4.1.1 Objectives
It is the intent of this designation to:
a) encourage the provision of
accommodate persons with
backgrounds, needs and desires;
a range of housing types to
diverse social and economic
b) encourage the provision of a full range of housing opportunities
to meet the Township's projected housing needs;
C) promote the efficient use of existing and planned infrastructure
by creating the opportunity for various forms of residential
intensification, where appropriate;
d) establish a comprehensive set of design guidelines and policies
that foster the establishment of an urban environment that is
safe, functional and attractive; and,
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e) maintain and enhance the character and identity of existing
residential areas.
C18.4.1.2 Permitted Uses
Permitted uses in the Living Area designation include:
a) single detached dwellings;
b) semi-detached dwellings;
C) townhouse, multiple and low rise apartment dwellings;
d) accessory apartments in single-detached dwellings;
e) home occupations;
f) bed and breakfast establishments in single detached dwellings;
g) garden suites;
h) private home daycare for up to five children;
i) special needs housing;
j) existing commercial and light industrial uses;
k) places of worship;
l) cemeteries; and,
m) community halls.
C18.4.1.3 Housing Mix, Density and Number of New Dwellings Permitted
a) No more than 75% of all new dwellings shall be single detached
dwellings. The remainder shall be made up of a combination of
other dwelling types.
b) The minimum density of new development shall generally be 32
persons and jobs per hectare with this density being measured
across all of undeveloped land that is net of environmental
features and lands required for sewage treatment and disposal
facilities.
C) Notwithstanding any policy in this plan, no more than 700
additional dwelling units may be developed in Craighurst
(accessory apartments are not included).
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d) New development in the community shall be assessed in the
context of the overall structure and density targets for all of the
lands that are designated for development in the entire
community, as well as in the context of the specific community
benefits advanced by the new development, including but not
limited to, items such as, infrastructure, community services,
community facilities and educational facilities, to ensure that
the primary goals for the whole community are being addressed.
Notwithstanding this policy, it is recognized that certain areas
closer to the centre of the community may be more suitable for
higher density uses.
C18.4.1.4 Accessory Apartments
Accessory apartments are permitted in conjunction with a single
detached dwelling in the Living Area designation subject to the
regulations of the Zoning By-law and the following criteria:
a) the accessory apartment will comply with the Ontario Building
and Fire Codes;
b) adequate parking is available on the lot for both dwelling units;
and,
c) the accessory apartment is designed and located in such a
manner to not have an impact on the character of the
surrounding neighbourhood.
As a condition of approval, the Township may require that the accessory
apartment be registered in accordance with the provisions of the
Municipal Act.
C18.4.1.5 Home Occupations
Home occupations are permitted, provided:
a) it is wholly located within a dwelling unit;
b) it is clearly secondary to the primary use of the property as a
residence, in terms of floor space utilization, and is compatible
with surrounding residential uses;
C) it is located in the principal residence of the person conducting
the home occupation;
d) no outside storage of goods, materials, equipment or service
vehicles other than cars, vans and light trucks related to the
home occupation occurs;
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e) adequate on-site parking is provided for the home occupation
use, in addition to the parking required for the residential use,
and such parking is provided in locations compatible with the
surrounding residential uses; and,
f) the sign identifying the home occupation is limited in size and in
accordance with the municipal Sign By-law.
The implementing zoning by-law shall further detail the conditions
under which a home occupation may be permitted. A home occupation
may be permitted in an accessory building, provided a minor variance
has been granted and issues related to compatibility, scale and the type
of home occupation have been considered.
C18.4.1.6 Bed and Breakfast Establishments
Bed and breakfast establishments are permitted in single detached
dwellings subject to Site Plan Control and the following criteria:
a) the use shall not have a negative impact on the enjoyment and
privacy of neighbouring properties;
b) the use is clearly secondary to the primary use of the dwelling as
a residence;
C) the bed and breakfast establishment must be the principal
residence of the owner and operator;
d) the character of the dwelling as a private residence is preserved;
e) adequate parking facilities are available on the lot for the
proposed use;
f) no more than three rooms are available for guests; and,
g) the use will not cause a traffic hazard.
The implementing Zoning By-law shall further detail the conditions
under which a bed and breakfast establishment may be permitted.
C18.4.1.7 Garden Suites
Garden suites are permitted in conjunction with a single detached
dwelling in the Living Area designation provided that:
a) it is located in the rear yard and appropriate buffering and siting
of the suite relative to adjacent properties is provided;
b) adequate parking is available on the lot for both the single
detached dwelling and the garden suite;
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C) a site specific Temporary Use By-law is passed pursuant to the
Planning Act; and,
d) the applicant enters into an agreement with the Township,
which addresses site location, buffering and installation/ removal
and maintenance during the period of occupancy.
C18.4.1.8 Special Needs Housing
Special Needs Housing such as long term care facilities and retirement
homes are permitted provided:
a) the site has access and frontage onto a County Road or Collector
road;
b) the site is large enough to accommodate the building, on-site
parking and appropriate buffering in the form of landscaping,
fencing and trees;
C) the building is buffered from adjacent low density residential
uses by setbacks, landscaping, fencing and trees to ensure
compatibility of the use with adjacent land uses; and,
d) the use will not cause traffic hazards or an unacceptable level of
congestion on surrounding roads.
C18.4.1.9 Townhouse, Multiple and Low-rise Apartment Uses
Townhouse, multiple and apartments in low-rise (up to 3 storey)
buildings are permitted, provided:
a) the proposal respects the character of adjacent residential
neighbourhoods, in terms of height, bulk and massing;
b) the use can be easily integrated with surrounding land uses and
open space uses;
C) the use will not cause or create traffic hazards or an
unacceptable level of congestion on surrounding roads; and,
d) the site has adequate land area to incorporate required parking,
recreational facilities, landscaping and buffering on-site.
C18.4.1.10 Existing Commercial and Light Industrial Uses
A number of commercial and light industrial uses existed on lands within
the Living Area designation on the date this section of the Plan came
into effect. While it is the long-term intent of this Plan that these lands
be utilized primarily for residential uses, the continued use of these
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Lands for existing commercial and light industrial uses and similar uses is
permitted, subject of the provisions of the implementing zoning by-law.
C18.4.2 Core Area
C18.4.2.1 Objectives
It is the intent of this designation to:
a) encourage commercial development and redevelopment that will
provide a range of goods and services, to meet the needs of the
Township and area residents, employees and businesses and the
travelling public;
b) anticipate and accommodate new trends in retailing as
appropriate;
C) encourage and promote development that combines commercial,
residential and other land uses to facilitate the more efficient
use of urban land and the establishment of a human-scale
pedestrian environment;
d) promote the efficient use of existing and planned infrastructure
by creating the opportunity for various forms of commercial and
residential intensification, where appropriate;
e) require a high standard of urban design for development and
redevelopment in Core Areas;
f) foster the establishment of an urban environment that is safe,
functional and attractive; and,
g) ensure that all new development in Core Areas is compatible
with adjacent development.
C18.4.2.2 Permitted uses
Permitted Uses include:
i) retail and service commercial uses;
ii) medical, dental and professional offices;
iii) hotels and bed and breakfast establishments;
iv) day nurseries;
V) private and commercial schools;
vi) places of worship and other institutional uses;
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vii) private recreational uses, such as banquet halls and
private clubs;
viii) restaurants;
ix) residential uses; and,
x) long-term care facilities and retirement homes.
C18.4.2.3 Form of Development
Horseshoe Valley Road is intended to function as the "main street" of
the Craighurst Community with the focus of development and public
investment being the `Four Corners' - the intersection of County Roads
22 and 93. It is further the intent of this Secondary Plan that the
ground floor of the buildings fronting on Horseshoe Valley Road be
reserved and protected for street-level retail and office uses. New
residential uses, including apartments, are generally directed to the
upper floor of buildings on Horseshoe Valley Road in the Core Area
designation. Minor expansions of the Core Area along Horseshoe Valley
Road may be considered without an Amendment to this Plan provided
that the effects of the expansion does not effect the intent of the Plan
to focus commercial development on the `Four Corners'.
C18.4.2.4 Height
In order to maintain a consistent facade, the minimum height of
buildings fronting Horseshoe Valley Road shall generally be two storeys
and the maximum height shall be three to four storeys.
C18.4.2.5 Parking Management
As development occurs in the Core Area, a comprehensive parking
management strategy should be completed for the area. The intent of
the strategy would be to identify public and private parking options in
the area and the means to secure their development. Shared parking
would also be investigated. A phasing plan should also be developed as
part of the management strategy to ensure that appropriate parking
facilities are available as development occurs.
C18.4.2.6 Urban Design
The Core Area shall be developed as a pedestrian oriented focal point in
the Craighurst community. In this regard, it is a policy of this plan to
require the preparation of detailed urban design and streetscape
guidelines for the area before development occurs. The intent of this
policy is to ensure that all issues respecting building placement,
landscaping and land uses are considered on a comprehensive basis to
ensure that the goals and objectives of this Official Plan are met.
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C18.4.2.7 Boundary of Core Area Designation
The boundaries of the Core Area designation are considered to be
flexible and can be expanded without an Amendment to this Plan,
provided the goals and objectives of this Plan are satisfied.
C18.4.3 Community Use Area
C18.4.3.1 Objectives
It is the intent of this designation to:
a) ensure that a full range of community uses is available to meet
the social, cultural, educational and recreational needs of area
residents;
b) ensure that community uses are located in a manner that
complements natural heritage features; and,
c) ensure that community uses are as accessible as possible to
residents.
C18.4.3.2 Community Uses
Community uses include:
a) public parks and trails;
b) public schools;
C) public recreational facilities; and,
d) places of worship.
C18.4.3.3 Public Parkland
a) Objectives
It is the objective of this Secondary Plan to:
i) establish and maintain a system of public open spaces,
parkland and recreational facilities that meets the needs
of present and future residents;
ensure that appropriate amounts and types of parkland
are acquired by the Township through the development
process;
iii) encourage the dedication and donation of
environmentally sensitive lands into public ownership to
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ensure their continued protection;
iv) promote the establishment of a continuous linear open
space system connecting natural, cultural and
recreational land uses within the Secondary Plan and
beyond;
V) co-ordinate with other public and private agencies in the
provision of open space, recreational and cultural
facilities; and,
vi) encourage the development of a walking and cycling trail
system within the open space system that is accessible to
the public utilizing trails, paths, streets and other public
open spaces.
C18.4.3.4 Schools
a) Location
One school site is to be located on lands designated Community
Use Area on Schedule A3. It is the intent of this Plan that:
i) the school is designed and built to adequately serve the
surrounding neighbourhood and/or catchment area; and,
ii) the site is reserved as part of the planning process.
b) Schools as Focal Points
It is the intent of this plan that the proposed school become a
focal point of the surrounding neighbourhood, both from a social
perspective and from a geographic perspective. In this regard,
every effort should be made to locate the school in a manner
which is visible from the surrounding lands and which are located
in a central location. The establishment of access roads to the
school site that are shared with the Township to access public
park areas may be considered to assist achieving this objective.
C) Alternative Uses
The final determination of the need for a particular school site
rests with the applicable school board. If such a site is deemed
to not be necessary, and after an appropriate period of time has
passed, the affected lands can be developed in accordance with
the policies of the Living Area designation. If the lands are
developed with alternative lands uses, regard shall be had to the
role of the site as a focal point in the area. As a result, urban
design guidelines shall be prepared to support the development
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of alternative land uses. Prior to approving development on such
a site, Council shall be satisfied that the proposed uses and how
they are arranged ensure that the site becomes a focal point in
the surrounding neighbourhood.
C18.4.3.5 Boundary of Community Use Designation
Refinements to the boundary of the Community Use designation reflect
more detailed plans will not require an Amendment to this Plan,
provided the intent of this Plan is maintained.
C18.4.4 Environmental Protection One
C18.4.4.1 Policies
a) The policies of Section B2 of this Plan apply to lands within the
Environmental Protection One designation. The size of the no
development buffer adjacent to the Environmental Protection
One designation shall be determined through the preparation of
an Environmental Impact Study that is considered to be
satisfactory to the Township.
b) The boundaries of the Environmental Protection One designation
can be modified based on the submission of more detailed
studies on the limits of sensitive natural heritage features. No
development shall generally be located within 30 metres of the
top of bank of any watercourse unless the Environmental Impact
Study required in clause a) has demonstrated that the proposed
limit of development adjacent to any watercourse and/or top of
bank is appropriate.
C18.5 URBAN DESIGN
C18.5.1 Objectives
It is the intent of this Plan to:
a) promote development that is based on good design principles
and standards that reflect the goals, objectives, and policies of
this Secondary Plan;
b) encourage high quality design that is complementary and
compatible with existing development, the Township's cultural
and natural heritage, and which fosters a strong sense of civic
identity and pride;
C) ensure high quality design is employed in the development of all
public works and that these public works contribute to an
improved urban environment;
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d) exercise appropriate municipal development control in order to
achieve a consistently high quality of site, building and
landscape design;
C18.5.2
C18.5.3
e) recognize the character and built form of existing development
in the community in the preparation of urban design strategies;
and,
f) ensure the safety and security of public and publicly accessible
places through urban design.
Urban Design Policies/Guidelines
The policies of this section are intended to provide the basis for the
consideration of any application submitted in accordance with the
Planning Act.
Public Realm
The took, feel and treatment of public areas such as roads, parks, and
public open spaces are a key component of what makes up the
character of the community. Therefore, high quality design in the
public realm shall be encouraged in the development of all public parks
and open spaces, roads, buildings and engineering projects. The
development of new public buildings shall be in accordance with
relevant provisions of this Section of the Plan. The following additional
policies shall apply to the design of these public areas and to the public
works carried out in these areas:
a) An integrated design and treatment of streetscape features shall
be promoted throughout the Secondary Plan Area.
b) Streetscape features located within public rights-of-way, such as
lighting fixtures, directional and street signs, and street
furniture shall be complementary in their design and located in
an integrated manner, so as to avoid visual clutter.
C) Road designs shall include well-designed streetscape features,
incorporating, among other things: street tree planting, street
lighting and furnishings, sidewalk and boulevard treatments, a
variety of paving materials, and, where appropriate, bicycle
lanes, community mailboxes and future transit shelters.
d) Road designs may incorporate traffic calming techniques such as
narrower rights-of-way, traffic circles, and speed control
devices, where appropriate, to promote a safer pedestrian
environment and/or to maintain vehicles within designated
speed limits.
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e) Services and utilities shall be encouraged to locate underground
in order to maintain a pleasant visual environment along public
roads. Above-ground utility service providers shall be encouraged
to co-operate with the Township in identifying locations which
minimize the visual impacts of such equipment and facilities
where located within the public road right-of-way.
C18.5.4 Safety
Personal safety for individuals shall be promoted by including the
provision of:
a) Appropriate lighting, visibility and opportunities for public
surveillance for parking lots, walkways and open space areas;
b) Unobstructed views into parks and open spaces from adjoining
streets and publicly accessible buildings;
C) Landscaping that maintains views for safety and surveillance;
and,
d) Clear and appropriately located signage, which precludes
entrapment or the perception of entrapment.
C18.5.5 Views and Vistas
a) The preservation, enhancement and/or creation of significant
views and vistas shall be encouraged.
b) Public and institutional buildings shall be encouraged to locate:
i) at the termination of a street or view corridor; and,
ii) at street intersections.
C18.5.6 Gateways
Gateways to the community are located at the edges of the community
on the two County Roads. These areas are intended to function as the
main entry points into the community. Particular regard has to be had
to the design of buildings and the public realm in these gateway areas
to ensure that they are appropriate entry points into the community.
As a result, specific urban design guidelines will be required in these
gateway areas to meet the goals and objectives of this Secondary Plan.
C18.5.7 Implementation
The Township shall employ all relevant municipal development controls
in order to achieve a consistently high standard of site, building and
landscape design.
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The urban design policies of this Plan shalt be implemented by:
a) ensuring that the implementing Zoning By-law is amended to
include standards that reflect the objectives and policies of this
Plan;
b) ensuring that the Township's engineering standards are regularly
refined to reflect the objectives and policies of this Plan and any
Council-adopted Urban Design Guidelines;
C) ensuring that the Township's Site Plan Manual sets out the
minimum requirements of the Township in a clear and concise
manner;
d) ensuring that all Public Works decisions generally conform with
this Plan and Township-approved Urban Design Guidelines; and,
e) utilizing Architectural Control in the Craighurst Secondary Plan
areas, where appropriate, to detail proposed building designs
and materials, and in order to avoid repetitive building forms
along residential subdivision streets.
C18.5.8 Urban Design Guidelines
a) All development applications shall be evaluated to determine
the extent to which the application achieves the Urban Design
objectives of this Plan as set out in this Plan.
b) Council may require the preparation of area-specific Urban
Design Guidelines as part of the consideration of major
development proposals or the preparation of area-specific
studies.
C) For residential subdivision plans, the Township shall require,
prior to draft plan of subdivision approval, the preparation of
Community Urban Design Guidelines for the subdivision plan, to
guide the overall character of the proposed subdivision through
design features such as street light design, sidewalk materials
and locations, perimeter fencing, utility placement, community
mailbox locations and/or facilities, gateway or entrance
features, street tree planting in the public right-of-way, and
park and public open space design.
d) For residential subdivision plans, the Township shall require, as a
condition of draft plan of subdivision approval, the preparation
of Architectural Control Guidelines which detail the proposed
building designs and materials, in order to avoid repetitive
building forms along internal streets within residential plans of
subdivision. The Township may also require, as a condition of
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draft plan of subdivision approval, an external architectural peer
review prior to the issuance of construction permits for each
building, and to ensure that the intent of the Architectural
Control Guidelines is secured.
C18.5.9 Development Approvals
a) The urban design policies of this Plan, and any Council-adopted
Urban Design Guidelines, shall be employed in the evaluation of
all development applications within the Township.
b) The Township shall exercise its powers of zoning and site plan
approval to encourage a high quality of building and landscape
design and shall review and amend its Site Plan Manual in order
to implement the Urban Design policies of this Plan and any
Council-adopted Urban Design Guidelines.
C) For development requiring site plan approval, the Township may
request the applicant to prepare design guidelines in conjunction
with the submission of site plan application unless guidelines
were prepared previously.
d) The Township shall exercise control over signs and fences in
accordance with applicable legislation and shall ensure that its
municipal by-laws are regularly reviewed and amended to reflect
the urban design policies of this Plan and any Council-adopted
Urban Design Guidelines.
C18.6 CULTURAL HERITAGE RESOURCES
C18.6.1 Objectives
Ensuring that heritage features inherited from the past are passed on
for enjoyment and care by future generations is a key issue in prudent
heritage conservation planning. On this basis, it is the objective of this
Secondary Plan to:
a) actively encourage the incorporation of farmhouses, residences
and major agricultural built heritage elements such as barns into
the evolving future landscape;
b) protect and maintain character-defining elements, i.e., treelines
and hedgerows and the rolling topography, associated with the
roadscapes in the area where possible; and,
c) protect and maintain as much as possible of the rural landscape
characteristics such as treelines, hedgerows, fencing, etc.,
associated with the agricultural landscape.
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Achieving these objectives will assist in creating a landscape in the
Craighurst Community that provides an element of continuity between
old and new. Incorporating cultural heritage components assists in
making the area visually diverse and hence more environmentally
distinctive. It also enables greater depth and texture to be incorporated
into the new landscape, making it physically more interesting and
reflective of the area's past.
C18.6.2 Policies
C18.6.2.1 Designation of Property
The Township may designate built heritage features under Part IV of the
Ontario Heritage Act. Additionally, and where possible, the Township
shall ensure the retention of any municipally designated features in the
process of subdivision plan approval, site plan approval or any other
development approvals or agreements negotiated as part of acceptable
development of the community.
Where identified built heritage features or cultural landscape units
cannot be reasonable conserved as part of the development of the
Craighurst Community, such features may be recorded or otherwise
documented through photography, measured drawings or other means
as considered appropriate.
Consideration may be given to the relocation, preferably within the
study area, of built heritage features if conservation in-situ is not
possible.
Additionally, in the detailed site planning of the Craighurst Community
care shall be taken to conserve and respect built heritage features and
agricultural remnants of the former rural landscape. The Township will
work with landowners to achieve the inclusion in future development of
such features as:
• improved public access to heritage properties;
• the inclusion of areas of open space making use of and
preserving rural landscape features including barn ruins,
foundations, existing treelines, hedges and fence lines;
• interpretive devices such as plaques and displays; and,
• the use of compatible and appropriate building materials and
design in new construction adjacent to heritage property.
C18.6.2.2 Public buildings, street and park names
The Township will endeavour to commemorate historical families from
the Craighurst Community in the naming of public buildings, streets,
parks or other public places.
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C18.6.2.3 Existing Rural Landscape Character
Important cultural landscape components of the existing rural landscape
will be considered for incorporation into future development by
encouraging the preservation of hedgerows, fence lines, existing tree
stands, tree-lined roads and farm buildings.
C18.6.2.4 Land disturbance
Land disturbance undertaken within the Craighurst Secondary Plan Area,
including public works such as: berm construction and slope or bank
stabilization; shall be kept to a minimum and it shall only be
undertaken in a manner that does not destroy or adversely affect
cultural heritage resources, i.e., built heritage features and cultural
heritage landscapes
C18.7 TRANSPORTATION
C18.7.1 Objectives
It is the objective of this Plan to:
a) facilitate the movement of people and goods within and to the
Secondary Plan area;
b) establish an integrated transportation system that safely and
efficiently accommodates various modes of transportation
including trains, automobiles, trucks, buses, cycling and walking;
C) promote cycling and walking as energy efficient, affordable and
accessible forms of travel;
d) ensure that new roads are constructed safely, designed in a grid-
oriented street network to help distribute traffic evenly;
e) ensure that appropriate right-of-way widths for all existing and
proposed roads are provided in accordance with the Planning
Act; and,
f) encourage the use of alternative development standards for
roads, where appropriate.
C18.7.2 Pedestrian And Cycling Routes And Facilities
An interconnected system of cycling and walking routes providing access
to major activity areas shall be established in the Secondary Plan area.
In order to plan for and encourage walking and cycling, the Township
shall:
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a) consider the provision of safe and convenient cycling and walking
routes in the review of all development applications;
b) investigate and provide for bicycle lanes wherever possible in
the construction or reconstruction of roads;
C) encourage and support measures which will provide for barrier-
free design of pedestrian facilities;
d) ensure that lands for bicycle/ pedestrian paths are included with
the land requirements for roads;
e) ensure that the rights and privacy of adjacent property owners
are factored into the design process for pedestrian and cycling
routes; and,
f) ensure that all pedestrian and cycling routes are designed to be
safe.
C18.7.3 Road Network
C18.7.3.1 Road Classification System
a) For the purposes of this Plan, all roads in the Craighurst
Community are classified as follows:
• County Road;
• Collector Road; or
• Local Road
b) The exact alignment of future Collector Roads shall be
determined either through municipal studies or during the
consideration of development applications.
C) Right-of-Way Widths
Right-of-way widths for County Roads are 26 metres. The right-
of-way width for Collector Roads is 23 metres and for Local
Roads it is 20 metres. The right-of-way width for any public road
may allow for the placement of travel lanes, turning lanes,
utilities, infrastructure, sidewalks, paths, bicycle lanes,
medians, streetscaping and landscaped boulevards, where
appropriate.
Township of Oro-Medonte
Official Plan Amendment No. 27
Prepared by Meridian Planning Consultants
21
May 27, 2009
As a condition of a development approval, land for road
widenings shall be conveyed at no expense to the Township or
County, as applicable in accordance with the provisions of the
Planning Act.
d) Traffic Calming
The Township may investigate traffic calming measures to be
implemented in certain locations within the Secondary Plan Area
and/or as a requirement of a development approval to promote
pedestrian safety and mitigate the effects of automobile traffic
within the Township. Traffic calming features may be permitted
subject to an evaluation by the Township of functional,
operational, servicing and financial issues associated with their
use.
e) Public Off-Street Parking
The Township will endeavour to provide off-street parking to
serve the Core Area. In this regard, Council may:
i) operate municipal parking lots on properties the
Township owns, acquires and/or leases, and provide
direction for establishing new lots;
ii) establish areas where payment of cash-in-lieu of required
parking may be accepted. A reserve fund may be
established to be used for the improvement or expansion
of public parking facilities; and,
iii) use, or authorize the use of vacant lands for parking on a
temporary basis, where such parking is needed and
desirable.
f) The Township shall review off-street and on-street parking
regulations to reflect evolving patterns of automobile use at the
time of the preparation of the implementing Zoning By-law.
Reduced parking requirements may be considered where
sufficient public off-street and on-street parking facilities exist.
In addition, parking requirements may be reduced if the uses on
the lot each require parking at different times of the day.
Opportunities for the sharing of parking in mixed-use
development will be considered during the review of a
development application.
C18.8 SERVICING
All new development within the Craighurst Secondary Plan Area shall be
serviced by municipal water and sewer services and stormwater
management facilities. In conjunction with the development phasing
Township of Oro-Medonte 22
Official Plan Amendment No. 17
Prepared by Meridian Planning Consultants May 27, 2009
plan required by Section C18.9 of this Plan, a Master Servicing Plan shall
also be prepared to address water supply, sanitary servicing and
stormwater management. Wastewater treatment plants and disposal
areas, water supply infrastructure and stormwater management
infrastructure is permitted in any land use designation except the
Environmental Protection One designation.
It is the intent of the Township to ensure that the stormwater
management system constructed within the Secondary Plan Area:
a) maintains an appropriate water balance;
b) ensures that the appropriate amount of water is returned to the
groundwater system;
C) addresses and maintains water quality;
d) minimizes erosion within the Secondary Plan Area; and,
e) controls the quantity water during storm events.
In order to ensure that the above criteria are met, a number of
stormwater management ponds will be required to support development
within the Craighurst Secondary Plan. The planning for stormwater
management shall be in accordance with the Ministry of Environment
Stormwater Management Planning and Design Manual, as amended.
C18.9 DEVELOPMENT PHASING
C18.9.1 Objectives
It is the intent of this Plan:
a) to ensure that development occurs in an orderly, well-planned
manner; and
b) to ensure that the provision of community services and facilities
is co-ordinated with the development of new development
areas.
C18.9.2 General Phasing Criteria
Development in the Craighurst Secondary Plan Area shall be phased to
ensure that the development occurs in a logical and cost effective
manner. In this regard, the Township shall be satisfied that any
application for development:
Township of Oro-Medonte 23
Official Plan Amendment No. 27
Prepared by Meridian Planning Consultants May 27, 2009
a) contributes to the protection and enhancement of natural
heritage features and ecological functions and provides
opportunities for public ownership of these lands, if such lands
are part of the proposal;
b) involves the logical completion or extension of the existing
urbanized area, roads and other infrastructure to avoid scattered
development patterns;
C) can be adequately and economically serviced by municipal water
and wastewater services and storm drainage facilities;
d) provides the park sites, school sites and portions of a
community-wide trail system that may be required in a timely
manner;
e) provides a mix and range of housing to accommodate the
Township's housing needs; and,
f) can be accommodated within the financial capabilities of the
Township to provide the necessary services without decreasing
the level of service to existing development.
C18.9.3 Staging and Phasing Plan
a) Given the size of the Craighurst Community Secondary Plan area,
there are a number of phasing options and opportunities. In
addition, environmental assessments for various components of
the proposed infrastructure may have an impact on phasing.
b) Prior to the Final Approval of any Plan of Subdivision or the
approval of any other major development in the Secondary Plan
Area, a Development Phasing Plan shall be prepared. The
Development Phasing Plan shall:
i) identify the limits of the first and possible future phases
of development in the entire Secondary Plan Area;
ii) identify the infrastructure improvements required to
service the first and latter phases;
iii) describe how the infrastructure improvements will be
staged in accordance with an Environmental Assessment;
and,
iv) describe how the objectives set out in Section C18.9.2 of
this Plan are met.
Township of Oro-Medonte 24
Official Plan Amendment No. 27
Prepared by Meridian Planning Consultants May 27, 2009
C) Once the Development Phasing Plan for the Secondary Plan area
has been accepted by Council, area-specific phasing plans for
larger development properties shall be prepared and approved
by Council, prior to Draft Plan Approval. Each individual phasing
plan shall conform to the overall Development Phasing Plan for
the Secondary Plan area and shall satisfy the objectives of the
Township as set out in Section C18.9.2.
d) In order to ensure that development within each development
area subject to an approved area-specific phasing plan occurs in
a logical manner, an appropriate percentage of each phase shall
be completed prior to the Draft Approval of any Plan of
Subdivision in the following phase. Council may waive this
requirement provided the Township is satisfied that:
i) there is a demonstrated demand and need for additional
housing units and diversity in the housing market in the
next phase(s) to fulfill market requirements;
ii) required infrastructure improvements, parks and other
public facilities will be provided within an acceptable
time frame; and,
iii) development will progress in a co-ordinated and orderly
fashion to avoid scattered or disjointed development
patterns, with particular regard given to the appropriate
integration of infrastructure, community facilities and
neighbourhoods.
C18.10 DEVELOPER COST SHARE AGREEMENTS - FINANCIAL AGREEMENTS
It is a policy of this Plan that new development shall be responsible for
the cost of any upgrades to existing infrastructure and new
infrastructure that will benefit such new development. The following
policies also apply:
a) Costs of local infrastructure or service improvements within the
Secondary Plan Area, which benefit more than one individual
development, shall be equitably apportioned amongst
landowners within the Secondary Plan area on a net developable
areas basis or benefitting area basis.
b) Such costs may include community use lands and facilities,
schools, parks, traits and community infrastructure facilities or
public works (including oversizing) and including roads, sanitary,
water and storm water facilities, financing and indexing
adjustments, including upgrades to works outside the Secondary
Plan Area necessary to permit development within the Plan area.
For those facilities not of community wide benefit, costs will
Township of Oro-Medonte
Official Plan Amendment No. 27
Prepared by Meridian Planning Consultants
25
May 27, 2009
only be allocated to those landowners who benefit by the
specified work.
C) Prior to the Final Approval of any plan of subdivision, a Cost
Sharing Agreement will be required to establish, to the
satisfaction of the Township, the means of providing community
facilities and services as well as common amenities (e.g.
collector road, municipal sanitary and water services, parkland,
schools) for the Secondary Plan Area.
d) It is also recognized that the Cost Sharing Agreement will
establish rights for adjacent landowners to connect to the
services of the Secondary Plan Area provided such landowners
pay their fair share of the related infrastructure costs and
become parties to the Cost Sharing Agreement.
e) Furthermore, it is recognized that adjacent landowners may seek
to secure easement rights across the properties in the Secondary
Plan Area in order to provide the necessary municipal services to
adjacent lands.
f) The Cost Sharing Agreements may be registered on title for each
participating landowner and the covenants and obligations of the
Cost Share Agreement survive any transfer in ownership of a
relevant parcel of land.
C18.11 TIMING OF DEVELOPMENT
a) No new lots shall be created in the Craighurst Community
Secondary Plan area for any purpose, unless:
i) The Development Phasing Plan for the entire Secondary
Plan area has been approved by the Township; or
ii) an area-specific phasing plan has been prepared for the
lands on which the new lot(s) is proposed; or
iii) the intent of the application is to consolidate parcels of
land for development purposes or to create a new parcel
to facilitate new development.
b) The re-zoning of any land within the Secondary Plan to permit a
new use or an expansion to an existing use is considered to be
premature until the Development Phasing Plan identified in
Section C18.9.3 b) has been approved and the area-specific
phasing plan identified in Section C18.9.3(c) has been approved.
Township of Oro-Medonte
Official Plan Amendment No. 27
Prepared by Meridian Planning Consultants
26
May 27, 2009
C18.12 RELATIONSHIP WITH OFFICIAL PLAN
The provisions of the Official Plan as amended from time to time,
regarding the implementation of that Plan shall apply in regard to this
Secondary Plan, insofar as they affect the subject area; except in the
event of conflict the provisions of this Secondary Plan shall prevail.
C18.13 MINIMUM DISTANCE SEPARATION
New development on lands subject to this Plan is not required to comply
with the Minimum Distance Separation formula.
C18.14 IMPLEMENTING ZONING BY-LAW
Council shall amend the Township's comprehensive Zoning By-law to
implement the provisions of this Secondary Plan.
The comprehensive Zoning By-law may be more restrictive than this
Secondary Plan, with respect to both permitted uses and density. Since
a range in use and density is permitted within each of the designations,
it is not intended that every area and development proceed to the
maximum use and density permitted by the designation, but rather that
Council shall have regard for the opportunities and constraints affecting
each site, including the relationship with nearby areas of lower density
housing, if any.
Township of Oro-Medonte
Official Plan Amendment No. 27
Prepared by Meridian Planning Consultants
27
May 27, 2009
Schedule A3
Official Plan
Amendment No. 27
Township of Oro Medonte
Legend
Environmental Protection Zone
-
Core Area
0 Community use Area
~M
rn
Q Living Area
Secondary Plan Boundary
0
U
i
fJ_
0 150 300
co
6
Meters
April 21, 2009
1793
THE APPENDICES
Design Concepts dated October and December 2008.
2. TSH report dated April 2008.
Craighurst
Secondary
Pl
an
Development Option A
Legend
- -
-
Settlement Area Boundary
in Approved Official Plan
M
~
Developed Area in
Approved Official Plan
Settlement Area
O
o
U
Expansion Study Area
Watercourse Corridor
Wooded Area
-
Mixed Use (6.93 ha.)
yw pOO■■°jOq
New Development
No~~ i
i~ 1~
(to equal 63 ha.)
-
Community Park (4.2Z ha.)
~
-
Elementary School Site (2.0 ha.
-Nursing Home (1.20 ha.)
-
- K
O Neighbourhood Park (0.84 ha.)
° - -t•.. - !
Residential (52.17 ha.)
Horseshoe Valley Road a..'
SWM (2.68 ha.)
mmmm Potential Collector Road
(Conceptual)
Q~
Draft for Discussion
M
S
1 ~
lY
0
0 150 300
0
U
Meters
October 28, 2008
1793
Craighurst
Secondary
Pl
an
Development Option B
Legend
co
Settlement Area Boundary
in Approved Official Plan
' _
Developed Area in
-Approved Official Plan
Settlement Area
Expansion Study Area
Watercourse Corridor
Wooded Area
0
Mixed Use (6.93 ha.)
■■■■■ou■■
New
(t
o equal 63 ha.)
~
•
® Community Park (4.22 ha.)
■ ~
O Elementary School Site (2.0 ha.)
~
■ i
■
® Nursing Home (1.20 ha.)
-
Neighbourhood Park (0.84 ha.)
■
~ _ _k~'k •
ITI
~ Residential (52.17 ha.)
■
- - - - - - - - c.
~SWM(2.68 ha.)
Horseshoe Valley Road
'
■
mono Potential Collector Road
-
(Conceptual)
e
♦
~
: ,
Draft for Discussion
Ilk,
c
0
0 150 300
0
U
Meters
October 28, 2008
1793
Craighurst
Secondary
Pl
an
Development Option C
Legend
m
-
M
-
Settlement Area Boundary
in Approved Official Plan
Developed Area in
-Approved Official Plan
Settlement Area
O
:o
Expansion Study Area
Watercourse Corridor
m. m
`
~ Wooded Area
.
LA6
~
p
■
, . -
Mixed Use (6.14 ha.)
■ uu■■~~
New Development
(to equal 63 ha.)
4- *1
~
e
Community Park (4.22 ha.)
-
•
Elementary School Site (2.0 ha.)
- ■
•
■
®Nursing Home (1.20 ha.)
1
Y' •
k
■
Q Neighbourhood Park (0.84 ha.)
" ttt~+.i ■
TM
Residential (52.17 ha.)
.
Horseshoe Valley Road ° " " ° ' ' "
SWM (2.68 ha.)
■
o.. Potential Collector Road
■ -
(Conceptual)
■
Oti
Draft for Discussion
MINN.
M
1
V
c
0
0 150 300
0
U
Meters
October 29, 2008
1793
i
C
h
ra
g
urst
Secondar
y
Plan
Development Option D1
Legend
Settlement Area Boundary
s,.,,.J in Approved Official Plan
I
/
m
rn
Develo
ed A
i
p
rea
n
Approved Official Plan
z
_
Settlement Area
0
Expansion Study Area
Watercourse Corridor
W, . ■
_
■ -
Wooded At ea
a '
Mixed Use (6.93 ha.)
New Development
T`•
(to equal
39 ha.)
~
m
ty
Comunity Park (4.46 ha.)
Elementary School Site (2.0 ha.
Nursing Home (1.18 ha.)
;
t ~~,t-
4}
O Neighbourhood Park (0.42 ha.)
+ I
I 1
f I
-EJ
, 4
S1
, 3
Residential (29.50 ha.)
Horseshoe Valley Road " " " . ° ° _ « . ° " A
SWM (1.27 ha.)
- _
mow Potential Collector Road
I
(Conceptual)
woo
Draft for Discussion
I
i ~
r
i
~
A.
r-
~
e
s
i ~
o!
i >
0 150 300
c
U
Meters
Note: 2,022 persons and jobs on 39 hectares
would translate into 51.8 persons and jobs per hectare
December 15, 2008
1793
C
i
h
ra
g
urst
Secondar
y
Pl
an
Development Option D2
Legend
"
Settlement Area Boundary
~
...,L
v- J in Approved Official Plan
M
Develo
ed Area in
p
Approved Official Plan
Settlement Area
o
OExpansion Study Area
U
Watercourse Corridor
-raa -
Wooded Area
■
•
L~ ! -
Mixed Use (6.93 ha.)
e
'
New Development
~
■
O
(to equal 39 ha.)
-
®
Community Park (4.32 ha.)
-
Elementar
School Site (2
02 ha
y
.
.
m~
- Nursing Home (1.19 ha.)
Nei
hbourhood Park (0
42 ha
)
I
7
7
.
g
.
.
1
Q Residential (28.72 ha.)
"
"
"
_ _
-1
SWM (1.28 ha.)
Horseshoe Valley Road
1
F- -
Potential Collector Road
(Conceptual)
-y
~
Q
v -e
Draft for Discussion
c
0
0 150 300
U
Meters
Note: 2,022 persons and jobs on 39 hectares
i
would translate into 51.8 persons and jobs per hectare
December 15, 2008
1793
C
i
h
ra
g
urst
Secondar
y
Plan
Development Option D3
Legend
Settlement Area Boundary
v,.,4 in Approved Official Plan
M
Develo
ed Area in
p
-Approved Official Plan
C
Settlement Area
o
~
w~
Expansion Study Area
U
Watercourse corridor
Tr n
Wooded Area
,
.
■
■
_
Mixed Use (6
14 ha
)
°
.
.
~ ♦
♦
New Development
t
l 39 h
(
o equa
a.)
® Community Park (4.22 ha.)
--f-1
-
Elementary School Site (2.11 ha.
I
r
;
r
Nursing Home (1.26 ha.)
Neighbourhood Park (0.42 ha.)
♦
, tk {kti
Residential (30.61 ha.)
> " ° . ° " ° " .
SWM (1.28 ha.)
Horseshoe Valley Road
m- Potential Collector Road
(Conce
tual)
p
Draft for Discussion
tr
M
t'
C
0
0 140 280
U
Meters
Note: 2,022 persons and jobs on 39 hectares
would translate into 51.8 persons and jobs per hectare
December 15, 2008
1793
C
i
h
ra
g
urst
Secondar
y
Plan
Development Option D4
'
Legend
-
.;...r Settlement Area Boundary
~
i
~ J in Approved Official Plan
h
~
ed Area in
Develo
o
'z
p
■
Approved Official Plan
c
Settlement Area
me
Expansion Study Area
=
U
i-
Watercourse Corridor
~
j{ Wooded Area
■
Mixed Use (6.14 ha.)
New Development
(to equal 47 ha.)
~
"a= w ft''
+
® Community Park (3.72 ha.)
1
tt`
~
Elementary School Site (2.1 ha.)
~
■
®Nursing Home (1.2 ha.)
~
■
■
q-` _
Neighbourhood Park (0.42 ha.)
■
Residential (37.9 ha.)
a
Horseshoe Valley Road
SWM (1.27 ha.)
- - " ■
own ■ Potential Collector Road
■
(Conceptual)
t Oti
Draft for Discussion
O)
0
0 150 300
0
U
Meters
Note: 2,022 persons and jobs on 47 hectares
would translate into 43 persons and jobs per hectare
December 15, 2008
1793
Totten Sims Hubicki Associates
10 High Street
Barrie, Ontario, Canada L4N 1W1
(705) 721-9222 Fax: (705) 734-0764
E-mail: rgroves@tsh.ca www.tsh.ca
TOWNSHIP OF ORO-MEDONTE
CRAIGHURST SECONDARY PLAN
ENVIRONMENTAL STUDY REPORT
engineers
architects
planners
APRIL 2008
TOWNSHIP OF ORO-MEDONTE
CRAIGHURST SECONDARY PLAN
ENVIRONMENTAL STUDY REPORT
TSH Project No. 4400030637
Township of Oro-Medonte i
Craighurst Secondary Development Plan
Environmental Study Report
TABLE OF CONTENTS
1. INTRODUCTION 1
1.1 Class Environmental Assessment (EA) Planning Process l
1.1.1 General .............................................................................................................................................1
1.1.2 Schedules A, B, or C ......................................................................................................................1
1.1.3 The Class Environment Assessment (EA) Phases ....................................................................1
1.1.4 Request for a Part II Order ............................................................................................................2
2.
PROJECT DESCRIPTION 4
2.1
Introduction
.4
2.2
Background .....................................................................................................................................4
2.2.
1 Work Program
..4
2.2.
2 Preferred Growth Option
..5
2.2.
3 Opportunities and Constraints to Development
..7
2.2.3.1 Water Supply ......................................................................................................................7
2.2.3.2 Sewage Treatment and Disposal ....................................................................................8
2.2.3.3 Stormwater Management .................................................................................................9
2.2.3.3 Transportation
9
2.3
Purpose of the Project
10
2.4
Problem Identification
10
2.5
Project Proponent
10
2.6
Project Location
10
3. DESCRIPTION OF ALTERNATIVES
11
3.1 Introduction
11
3.2 Possible Alternatives
12
3.2.1 Water Supply
12
3.2.1.1 Alternative No. 1
- Do Nothing:
12
3.2.1.2 Alternative No. 2
- Draw more water from the existing wells:
12
3.2.1.3 Alternative No. 3
- Install additional wells in the lower sand and gravel aquifer:.....
12
3.2.1.4 Alternative No. 4
- Install additional wells in the upper sand and gravel aquifer:.....
12
3.2.2 Water Storage
13
3.2.2.1 Alternative No. 1
- Do Nothing
13
3.2.2.2 Alternative No. 2
- Provide local underground storage at new well sites
13
3.2.2.3 Alternative No. 3
- Provide central underground storage for the new development
13
T1H
Township of Oro-Medonte ii
Craighurst Secondary Development Plan
Environmental Study Report
3.2.2.3 Alternative No. 4 - Provide central above grade storage for the new development
13
3.2.2.4 Alternative No. 5 - Provide central elevated storage for the new development
14
3.2.3 Sewage Collection
14
3.2.3.1 Alternative No. 1 - Do Nothing
14
3.2.3.2 Alternative No. 2 - Provide conventional gravity sewers
14
3.2.3.3 Alternative No. 3 - Provide small bore sewers
14
3.2.3.4 Alternative No. 4 - Provide pressure sewers
15
3.2.4 Sewage Treatment and Disposal
15
3.2.4.1 Alternative No. 1 - Do Nothing
15
3.2.4.2 Alternative No. 2 - Subsurface disposal using individual tile beds
16
3.2.4.3 Alternative No. 3 - Subsurface disposal using communal sewage treatment syste
m
16
3.2.4.4 Alternative No. 4 - Subsurface disposal using conventional wastewater treatment.
16
3.2.4.5 Alternative No. 5 - Surface disposal using advanced wastewater treatment
17
3.2.5. Stormwater Management
17
3.2.5.1 Alternative No. 1 - Do Nothing
17
3.2.5.2 Alternative No. 2 - Follow best management practice
17
3.2.5.3 Alternative No. 3 - Provide stormwater management facilities
17
3.2.6 Transportation
18
3.2.6.1 Alternative No. 1 - Do Nothing
18
3.2.6.2 Alternative No. 2 - Upgrade the road network to suit the requirement of
secondary plan
18
4. ASSESSMENT OF ALTERNATIVE SOLUTIONS
19
4.1 General
19
4.2 Water Supply, Storage and Distribution
19
4.2.1 Water Supply
19
4.2.1.1 Existing Supply
19
4.2.1.2 Future Demand
19
4.2.1.3 Well Locations
20
4.2.2 Water Storage
23
4.2.3 Water Distribution
24
4.3 Wastewater Collection, Treatment and Disposal
25
4.3.1 Wastewater Flows
25
4.3.2 Sewage Collection
27
4.3.3 Sewage Treatment and Disposal
27
4.3.4 Treatment Plant Location
30
4.4 Stormwater Management
33
4.4.1 Existing Conditions
33
4.4.1.1 Drainage Basins
33
4.4.1.2 Stormwater Management Facilities
35
4.4.1.3 Soils
.35
4.4.2 Guidelines for future Stormwater Management ...............................................................36
4.4.3 Pre Development Stormwater Flows ...............................................................................36
4.4.4 Post Development Stormwater Management ..................................................................37
Township of Oro-Medonte iii
Craighurst Secondary Development Plan
Environmental Study Report
4.4.5 Stormwater Management Ponds .....................................................................................37
4.5 Transportation ...............................................................................................................................38
4.5.1 Road Definitions .............................................................................................................38
4.5.2 Existing Major Road Network ..........................................................................................38
4.5.3 Summary of Traffic Study ...............................................................................................39
5. SCREENING OF ALTERNATIVES
42
5.1
Introduction
42
5.2
Water Supply
42
5.2.1
Alternative No. 1 - Do Nothing:
42
5.2.2
Alternative No. 2 -Draw more water from the existing wells:
42
5.2.3
Alternative No. 3 - Install additional wells in the lower sand and gravel aquifer:
42
5.3
Water Storage
44
5.3.1
Alternative No. 1 - Do Nothing:
44
5.3.2
Alternative No. 2 - Provide Local Underground Storage:
44
5.3.3
Alternative No. 3 - Provide Central Underground Storage:
45
5.3.4
Alternative No. 4 - Provide Central Above Grade Storage:
46
5.3.5
Alternative No. 5 - Provide Central Elevated Storage:
46
5.4
Sewage Collection
47
5.4.1
Alternative No. 1 - Do Nothing:
47
5.4.2
Alternative No. 2 - Provide conventional gravity sewers:
47
5.4.3
Alternative No. 3 - Provide small bore sewers:
48
5.4.4
Alternative No. 4 - Provide pressure sewers:
48
5.5
Sewage Treatment and Disposal
49
5.5.1
Alternative No. 1 - Do Nothing:
49
5.5.2
Alternative No. 2 - Subsurface disposal using individual septic systems
49
5.5.3
Alternative No. 3 - Subsurface disposal using communal Sewage treatment plant
50
5.5.4
Alternative No. 4 - Subsurface/Surface disposal using conventional wastewater
treatment:
53
5.5.5
Alternative No. 5 - Surface disposal using advanced wastewater treatment
55
5.6
Stormwater Management
56
5.6.1
Alternative No. 1 - Do Nothing
56
5.6.2
Alternative No. 2 - Follow best management practice
56
5
.6.2.1 Source and Conveyance Controls
56
5
.6.2.2 Post Development Stormwater Management
57
5
.6.2.3 Erosion and sediment control during construction
57
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5.6.3 Alternative No. 3 - Provide stormwater management facilities
58
5.6.3.1 SWMF design criteria
60
5.7 Transportation
60
5.7.1 Alternative No. 1 - Do Nothing
60
5.7.2 Alternative No. 2 - Upgrade the road network to suit the requirement of secondary plan
6l
5.8 Potential Mitigative Measures
61
6. PUBLIC CONSULTATION .................................................................................................62
6.1 Introduction 62
6.2 Results of Public Consultation .....................................................................................................62
6.3 Major Areas of Concern 62
6.3.1 Costs of Services ............................................................................................................62
6.3.2 Environmental Concerns .................................................................................................62
6.3.3 Location of the Water and Sewage Treatment Facilities .................................................62
7. SELECTION OF PREFERRED ALTERNATIVE .................................................................63
8. ALTERNATE DESIGN CONCEPTS FOR THE PREFERRED SOLUTION ........................63
9. SELECTED DESIGN AND CONSTRUCTION REQUIREMENTS ......................................63
10. SUMMARY .........................................................................................................................63
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LIST OF TABLES
Table 2.1 - Secondary Plan Land Use
Table 2.2 - Secondary Plan Population
Table 4.1 - Local Factors Affecting Production Well Positioning
Table 4.2 - Craighurst Drainage Basins
Table 4.3 - Pre-Development Peak Flows
Table 4.4 - Stormwater Pond/Basin Storage Volumes
Table 5.1 - Subsurface Sewage Disposal - Municipal Facility with Potential
Groundwater Impact
Table 5.2 - Pre-Development Peak Flow
Table 5.3 - Stormwater Pond/Basin Storage Volumes Pre-Development Peak .
Flows
Table 5.4 - Water Supply
Table 5.5 - Water Storage
Table 5.6 - Sewage Collection
Table 5.7 - Sewage Treatment
Table 5.8 - Stormwater Management
LIST OF APPENDICES
Appendix A - Municipal Class EA Flow Chart
Appendix B - Traffic Study
LIST OF FIGURES
Figure 2.1 -
Secondary Plan Area
Figure 3.1 -
Water Works Plan
Figure 3.2 -
Sewage Works Plan
K:\0030637\Craighurst SP-ESR April 07.doc
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1. INTRODUCTION
1.1 Class Environmental Assessment (EA) Planning Process
1.1.1 General
The Municipal Water and Wastewater Projects which are undertaken in Ontario are
currently subject to the Municipal Engineers Association Class Environmental
Assessment (MEA Class EA) as amended in 2007 process in order to meet the
requirements of the Environmental Assessment Act of 1976.
The flow chart in Appendix A.1 illustrates the process and phases considered essential
for compliance with the requirements of the Act which are summarized below. Appendix
A.2 depicts a Project Schedule for the required works for each component of the phased
program.
1.1.2 Schedules A, B, or C
Sewage and Water projects undertaken by Municipalities vary in their environmental
impact depending on the extent and complexity of the required works. The various work
schedules are described as follows:
Schedule A: Projects which are minor in scale and have minimal adverse effects
associated with them. Upon approval, these projects may proceed to implementation
without following the Class EA planning process.
Schedule B: These projects have the potential for some adverse environmental effects
and the proponent must initiate the process of screening the project by undertaking
mandatory contact with various agencies and the directly affected public. If there are no
outstanding concerns, then the project may proceed to implementation. If, however, the
screening process raises a concern which cannot be resolved, then a "Part II Order"
procedure may be invoked; alternatively, the proponent may elect voluntarily to plan the
project as a Schedule "C" undertaking.
Schedule C: These projects have the potential for significant environmental effects and
must proceed in full compliance with the Class EA planning process, and documentation
procedures specified in the Class EA document. Schedule "C" projects require that an
Environmental Study Report (ESR) be prepared and submitted for review by the public.
If a concern is raised which cannot be resolved, the "Part II Order" procedure may be
invoked.
1.1.3 The Class Environment Assessment (EA) Phases
Phase 1: Identify the problem or deficiency in order to establish justification
for the project.
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Phase 2: Identify planning alternative solutions to the problem by taking into
consideration existing environmental constraints, etc. Establish the
preferred solution taking into account public and agency review and input.
At the same time, identify approval requirements (i.e. Ontario Water
Resources Act and the Environmental Protection Act (EPA)). Determine
the appropriate schedule.
Phase 3: Examine and evaluate alternative methods of design concepts of
implementing the preferred solution, based upon the existing
environment, public and government agency input, anticipated
environmental effects and methods of minimizing negative effects and
maximizing positive effects.
Phase 4: Prepare and document in an Environmental Study Report (ESR) a
summary of the rationale, and the planning, design and consultation
process of the project as established through the above Phases and
make such documentation available for review.
Phase 5: Undertake design and complete contract drawings and documents and
proceed to construction and operation etc.
1.1.4 Request for a Part II Order
The Class EA Planning process allows provisions for the public or group to elevate the
status of a project from Class EA process to make it subject to an individual
environmental assessment. Such an action is called "Part II Order". Requests for "Part
II Order" should address the following issues when making an appeal to the Minister of
Environment and Energy (MOEE):
• Environmental impacts of the project and their significance;
• The availability of other alternatives to the project;
• The adequacy of the public consultation program and the adequacy of the planning
process;
• Opportunities for public participation;
• The involvement of the person/party in the planning of the project;
• The nature of the specific concerns which remain unresolved;
• Details of any discussions held between the person/party and the proponent;
• The benefits of requiring the proponent to undertake an Individual Environmental
Assessment;
• Any other important matters considered relevant.
In considering a request for a Part II Order, the Minister shall give consideration to the
following issues:
• Extent and nature of public concern;
• Potential for significant adverse environmental effects;
• Need for broader consideration of alternatives by the proponent;
• Consideration of urgency;
• Frivolous or vexatious nature of the request;
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• Degree to which public consultation and dispute resolution have taken place
throughout the planning Phases 1 to 4.
Should a concern of a request be resolved by a proponent to the satisfaction of the
requester, it is the responsibility of the requester to withdraw the request. Withdrawals
should be in writing to the Minister with a copy forwarded to the proponent.
For Schedule "B" projects, the person/party should bring the concern to the attention of
the proponent in Phase 2 of the Class EA planning process and must make a written
request to the Minister within the 30 calendar day review period after the Notice of
Completion has been issued.
For Schedule "C" projects the person/party with a concern should bring it to the attention
of the proponent at any point during Phase 2 through Phase 4 of the Class EA planning
process and must make a written request to the Minister of Environment and Energy
within a 30-calendar day review period after the proponent has received public and
agency input after the completion of Phase 2, and filed the ESR in the public record for
public review and has issued the Notice of Completion after completion of Phase 4.
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2. Project Description
2.1 Introduction
The Township of Oro-Medonte has initiated a study, undertaken by Totten Sims Hubicki
Associates, to determine preferred strategies to accommodate future development in
the Community of Craighurst. This study will identify options and solutions for:
• Upgrades to the existing domestic Water Supply;
• The preferred means of Sewage Treatment and Disposal for new development;
• Storm Water Management for new development;
• Transportation constraints and improvements.
2.2 Background
2.2.1 Work Program
To date the Study process has included:
Activity
Description
• A number of PIC's have been held since 1999.
1.
Public Information Centers (PIC)
Last PIC was held November 13, 2007 and all
previous Reports were reviewed and made
available to the Public.
• Reviews Provincial Policy
Craighurst Secondary Plan - Phase 1
Reviews Oro-Medonte Official Plan as it pertains
2.
Background Document Water Supply,
to growth and servicing
Provides an Inventory Assessment
Sewage Disposal, Stormwater and
Reviews existing services
Transportation (August, 2000)
• Reviews constraints and opportunities
• Identifies servicing options
• Addresses Natural Heritage component
• Provides terrestrial and aquatic biological
inventories
• Provides recommendations for setbacks from
3
Final Phase 1 Environmental
water courses
Background Study (August, 2000)
Identifies areas where development should not
occur because of environmental significance
• Identifies the significance of the recharge function
of the Oro Moraine in maintaining the quality and
quantity of base flow in cold water streams
Craighurst Development Options (May,
• Assesses development options including no
4.
2001)
growth, development on private/partial services,
and development on full municipal services
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The following is a description of the tasks that have yet to be completed:
Activity
Description
1.
Draft Master Servicing Report
• Detailed description of the services to be provided
• Set Terms of Reference for Development
2.
Draft Environmental Impact Study
Applications
• Recommend setbacks and buffers for Natural
and Management Plan
Heritage features and functions and enhancement
where appropriate.
3.
Public Consultation/Circulation
• Presentation of the above draft documents for
comment
• Finalize Land Use Plan
4
Draft Secondary Plan and Final
• Present Draft Policies
Master Servicing Report
. Presentation of Final Master Servicing Plan
• Statutory Public Meetings
5
Finalization of Secondary Plan &
. Council Approval
adoption of Plan
Studies commenced on the Craighurst Secondary Plan Area in 1999. In the spring of
2001 progress on the Secondary Plan was put on hold while land use planning issues
on the Oro Moraine (upon which Craighurst flanks) were addressed. These studies are
relevant with respect to the hydrogeological characterization of the Moraine and the
identification of natural heritage features adjacent to the Secondary Plan Area.
2.2.2 Preferred Growth Option
As a result of screening by the Nottawasaga Valley Conservation Authority (NVCA) and
the County of Simcoe based on the Background Study, the Secondary Plan Study area
was reduced to approximately 160 hectares and covers the geographic area shown on
Figure 2.1.
Existing development in Craighurst consists of approximately 90 single detached
residences and four apartment dwellings. There is one community hall, two churches,
one gas station, two vehicle repair shops, a grocery and Liquor store, two restaurants
and a chocolate factory. The balance of the lands is predominantly vacant with some
lands being used for field crops.
The basis for the development of the Master Servicing Plan is the concept prepared by
Meridian shown on Figure 2.2. This Plan illustrates the major street pattern to support
the land use pattern options for the Secondary Plan area.
The Township Official Plan indicates that the preferred method of servicing in Craighurst
is on the basis of full municipal services. However, it is recognized that all options have
to be considered in this regard, and the preferred design alternatives established.
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Previous planning reports prepared by the Township have identified full municipal
services as the most effective method to service the desired intensity of new growth.
Notwithstanding these reports, this report does consider a 'do nothing' approach as well,
with this 'do nothing' approach providing for little or no development as a consequence.
The following is an estimate of future land use based on the municipal servicing option.
Note that an existing industrial area is included in the future employment land use.
For the purposes of this study, development phasing is expected to occur at 75 homes
per year.
Table 2.1 summarizes the development land use under secondary plan.
Table 2.1
Secondary Plan Land Use
Land Use Area (ha)
Develo
ment
p
Sectors
Hazard
Residential
Commercial
Active
Passive
School
Land/Green
Total
Parks
Parks
Space/
SWM
Existing
Development
34
7
48
North Quadrant
40
1
4
5
8
58
South
36
2
1
6
51
Quadrant
Total
110
9
2
4
5
14
160
The developable land available for residential and commercial lots excludes lands
needed for schools, churches, parks, environmental lands, stormwater facilities, etc.
Table 2.2 summarizes the estimated future population for the Secondary Plan Area.
Population is based on 3 persons per unit.
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Table 2.2
Secondary Plan Population
D
l
Residential
eve
opment
Sectors
Area
No. of
Residences
Population
School Students
Existing
Development
34
94
282
North Quadrant
40
400
1,200
540
South Quadrant
36
300
900
11
Total
794
2,382
540
To provide a variety for residential market selection the proposed residential land use
mix is as follows:
30% -18 meter frontage
30% -15 meter frontage
30% -12 meter frontage
10% - multi-residential townhouse/semi-detached
Based on the net developable area available for residential development (76 hectares),
the density of future residential development would be 9.2 units per hectare, if full
municipal services were provided, and if no more than 700 new units were constructed.
This density is significantly less than typical new development in the City of Barrie. It is
recognized that the density of development could be increased and that less land area
would be required as a result. This issue will be explored further in the context of the
land use planning analysis.
An additional commercial allocation of 50,000 square feet (5,000 mz) is also proposed in
the Secondary Plan. An elementary school with a capacity for about 540 students and
one Place of Worship are also proposed. The ability of the Secondary Plan Area to
support new development as set out in Table 2.2 would be significantly affected if the
development did not proceed on the basis of full municipal services.
2.2.3 Opportunities and Constraints to Development
The opportunities and constraints to development with respect to each major servicing
item are discussed below.
2.2.3.1 Water Supply
The existing source of water supply for the Community of Craighurst is the lower sand
aquifer which is regionally extensive and offers a high potential for providing a long term
safe yield and secure water quality. Based on a conservative projection of the capture
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zone for the Community of Craighurst, a groundwater source from the lower aquifer
could supply potable water for the projected 900 households.
New wells and storage facilities are required to serve the residential demands of about
800 units and about 31 equivalent units of non-residential development for 9 ha
commercial and about 5 ha of institutional development. The existing water system is
designed for about 166 people or 55 units and 2.1 hectares of commercial development
or about 65 equivalent units. Therefore the future water system needs to service about:
831 total future - 65 existing = 766 equivalent units
The existing system includes three wells with a combined capability of 352 L/min. Four
centrifugal high lift pumps provide system pressure to the distribution system piping. A
112 m3 underground storage reservoir provides sufficient storage to meet maximum day
domestic water with a minimum of fire flow protection.
2.2.3.2 Sewage Treatment and Disposal
At this time there is no communal sanitary sewage treatment as all existing development
is currently serviced with individual septic systems.
The selection of the preferred location of a municipal sewage treatment plant is dictated
by many factors that must be considered including the integration of the design of the
gravity collection piping and the choice or location of the discharge of the final effluent.
Sewage treatment is an integration of the collection of the raw sewage from the
development area, the treatment of the raw sewage to produce a final effluent to a level
established by the Ministry of the Environment and the disposal of the final effluent back
into the natural environment. The final effluent may be either directly or indirectly
discharged to a surface water body or discharged to the native soils with a subsurface
design.
Treatment options capable of meeting the discharge constraints include primary
biological treatment utilizing one of many available and currently accepted technologies
and/or tertiary treatment with filters that then discharge to the final effluent process.
The discharge of the final effluent to a surface water body must consider many factors
such as effluent temperature, the chemical and biochemical characteristics of the final
effluent, the quantity of the water discharged and the ability of the receiving water body
to accept the forgoing parameters.
The down gradient hydraulic boundary, which in this case is the Matheson Creek and its
tributaries, are considered as a coldwater fish habitat. Therefore, any direct surface
water discharge from a sewage treatment facility must cool the effluent and ensure that
the discharge parameters of concern are within acceptable limits.
It is significant to note that surface water discharge must be addressed in the context of
the Assimilative Capacity Studies (ACS), NVCA, 2006, because of potential effects of
elevated nutrient discharges, and the assimilative capacity of the Nottawasaga River
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basin and tributaries. An additional localized study (subsequent to the Willow Creek
Watershed Study of 2001) may be required to supplement the ACS for the Willow Creek
subwatershed, as there was insufficient data received by the Willow Creek gauging,
quality and calibration station during the Study period, for the creek to be included in the
detailed analysis. Results and recommendations for the Matheson Creek
subwatershed, which includes the Willow Creek subcatchment, are provided in the ACS.
In summary, the Assimilatimve Capacity Study (2006) indicated that the Matheson
Creek watershed is currently designated as Unimpaired and meets Provincial Water
Quality Objectives (PWQO). Matheson Creek is the only Nottawasaga River
subwatershed that falls into this category. As a result, Target Setting Strategy "A" has
been applied to the watershed, to maintain unimpaired water quality and meet PWQO.
Surface water discharge for treated effluent to the Willow Creek watershed would need
to determine if there is any remaining capacity to accept any discharge from
development. It may be that the level of treatment of communal sewage and the
preferred mode of disposal options will be constrained by the limitations imposed on the
down gradient receiving water bodies, Willow Creek, Matheson Creek and the
Nottawasaga River.
2.2.3.3 Stormwater Management
It has been identified that there are six drainage basins that fall within the Secondary
Plan Study area and four have continuously flowing and/or intermittent watercourses. It
has been mandated that all identified watercourses be protected or buffered from
development with up to a 60 meter wide corridor. It is felt that the buffer is adequate in
terms of flood zone protection for lands lying upstream of the CPR.
Native soils are conducive to the design of storm water management techniques that
utilize infiltration techniques to average stormwater for base flow maintenance and
surface runoff quality control.
Where stormwater design analysis conclude that quantity control facilities are deemed
necessary, the quantity and quality control facility must be situated within the proposed
development, typically at the most downstream location, before discharging into the
receiving watercourse.
2.2.3.3 Transportation
The intersection of County Road 22 (Horseshoe Valley Road) and County Road 93
(Penetanguishene Road) is the hub of the Craighurst Community. Both roads are
considered to be County arterial roads. Horseshoe Valley Road serves as a connecting
link between Highway 11/12 and Highway 26. Penetanguishene Road is a local arterial
road that provides an alternate north/south route to Highway 400.
Since Horseshoe Valley Road provides a higher level of service than Penetanguishene
Road, the amount of entrances to Horseshoe Valley Road should be kept to a minimum.
In addition, other considerations such as, commercial activities, delays at the CPR
crossing and delays at the County Road intersection will require mitigating measures
such as road widening through the Community, and establishing alternate routes to
access Highway 400.
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Road or rail upgrades by other agencies for County roads, Highway 400 or the CPR rail
are not scheduled within the foreseeable future. Transportation upgrades needed for
development on County Roads 22 and 93 will be done by the County. The cost-share for
the development of the County road work could be paid through a County Development
Charge.
2.3 Purpose of the Project
The Township of Oro-Medonte through its Official Plan directs new development within
the Municipality to existing settlement areas, including Craighurst. In response to
existing development pressures in the Craighurst area, the Township has initiated
preparation the Secondary Plan to guide future growth within the community.
This Environmental Assessment was initiated in conjunction with the planning process,
to meet the requirements of the current legislation and to document the process to be
followed to identify the preferred alternative solution to providing upgrades to the Water
Supply, Sewage Disposal, Stormwater Management and Transportation in order to
accommodate the secondary development plan for the community of Craighurst.
2.4 Problem Identification
The problem identification for this Class Environmental Assessment is as follows:
• Upgrade the Water Supply System to accommodate existing and future
development in the Craighurst Settlement area.
• Promote community wastewater treatment and disposal of the final effluent.
• Upgrade the Stormwater Management and Transportation Systems to
accommodate existing and future development in the Craighurst Settlement
area.
• Review the existing traffic flow and road network and the impact of future
development with solution to any problems.
2.5 Project Proponent
The proponent of this project is the Township of Oro-Medonte.
2.6 Project Location
The secondary plan area in settlement of Craighurst is located around the intersection of
Simcoe County Roads 22 and 93, East of Highway 400 as shown in Figure 2.2.
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3. DESCRIPTION OF ALTERNATIVES
3.1 Introduction
The procedures to be followed in this Class Environmental Assessment are set out in
the "Municipal Class Environmental Assessment" Document published by the Municipal
Engineers Association, June 2000 as amended in 2007
In accordance with that Document, the proposed undertaking corresponds to Project
Schedule 2 of the Schedule "C" Projects:
As such, the undertaking is considered to constitute a Schedule "C" project and the
activity is subject to the full planning process of the Class EA. The planning process will
therefore follow a phased approach as shown in the flow chart included in the MEA
Class EA Document. (See Appendix "A").
A minimum of three mandatory public contacts are required for Schedule "C" projects.
Integral to the planning process is the adoption of alternatives to correct the noted
deficiencies. The alternatives presented in this section are a broad range of potential
solutions to address the problem of upgrading the water supply, sewage disposal,
stormwater management and transportation systems for all lands within the study area.
With the exception of Alternative 1 - Do Nothing, the alternatives will require the
installation of servicing within designated servicing corridors, generally on public lands.
In addition, there is potential for either upgrading the existing facilities or construction of
new ones. Purchase of land for new facilities on a new site may be required.
The following Sections 3.2 and 3.3 take the position that that if development proceeds it
will occur on the basis of full services. Development on full services is the method of
servicing preferred by Provincial policy, followed by individual water and sewage. Partial
services, municipal water with individual sewage disposal, is the least preferred method
of servicing new development. A partial servicing scenario would not allow development
to proceed at the same scale as full servicing and in addition, the expansion of partial
services is strongly discouraged by Provincial policy.
Development on partial services, with individual septic systems would be limited by
Reasonable Use Guidelines, which limits the nitrate content of groundwater downstream
of development. Depending on local subsurface conditions and aquifer flow,
development density would be limited to 1 or 2 residences per hectare.
The following is a summary of planning alternatives to address the problem statement.
These alternatives will be discussed in further detail in Section 4.
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3.2 Possible Alternatives
3.2.1 Water Supply
Reasonable alternatives for upgrades for the supply of potable water for the Craighurst
Secondary Plan include the following:
Alternative No. 1 - Do Nothing
Alternative No. 2 - Draw more water from the existing wells
Alternative No. 3 - Install additional wells in the lower sand and gravel aquifer
Alternative No. 4 - Install additional wells in the upper sand and gravel aquifer
A summary of the above noted Alternatives are presented in the following paragraphs.
Figure 3.1 depicts existing and possible well locations.
3.2.1.1 Alternative No. 1 - Do Nothing:
The Do Nothing alternative would leave the existing pumping station in operation and
not expand the water system beyond the current serviced area.
3.2.1.2 Alternative No. 2 - Draw more water from the existing wells:
This alternative involves upgrading the existing water pumping station to include
additional pump/s in order to draw more water from the existing wells to meet projected
water demands. The current maximum demand is 233 M3 /d where as the existing three
wells have a current combined capacity of 507 M3 /d. With a combined permit to draw
water @ 523 M3 /d, additional 290 M3 /d of water can be drawn from the existing wells.
3.2.1.3 Alternative No. 3 - Install additional wells in the lower sand and gravel aquifer:
This alternative involves installation of two new wells in the lower sand and gravel
aquifer in addition to the existing wells at Craighurst Estates. Preliminary investigations
have shown that this aquifer has a potential long term safe yield of more than 450,000
m3/year. This means that the lower ground aquifer can serve 2,740 persons per day
@450 Ipcd, which translates to 913 residential units @ 3 persons per unit.
The new well systems would be connected to the system at Craighurst Estates.
Additional pumps to draw water from the new wells and watermains to connect the new
wells to the existing wells would be required. Apart from that storage tanks for providing
storage for fire flow, equalization and emergency storage will have to be provided to
implement this alternative.
3.2.1.4 Alternative No. 4 - Install additional wells in the upper sand and gravel aquifer:
This alternative involves installation of two new wells in the upper sand and gravel
aquifer in addition to the existing wells at Craighurst Estates. With a long term safe yield
of 375,000 M3 /year, the upper ground aquifer has a potential of serving 2,280 persons
per day @450 Ipcd, which translates to 760 residential units @ 3 persons per unit.
The new well systems would be connected to the system at Craighurst Estates.
Additional pumps to draw water from the new wells and watermains to connect the new
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wells to the existing wells would be required. Apart from that storage tank/s for providing
storage for fire flow, equalization and emergency storage will have to be provided to
implement this alternative.
3.2.2 Water Storage
Reasonable alternatives for upgrades for the storage of potable water for the Craighurst
Settlement Area include the following:
Alternative No. 1 - Do Nothing
Alternative No. 2 - Provide local underground storage at new well sites
Alternative No. 3 - Provide central underground storage for the new development
Alternative No. 4 - Provide central above grade storage for the new development
Alternative No. 5 - Provide central elevated storage for the new development
Figure 3.1 shows possible locations for reservoirs.
3.2.2.1 Alternative No. 1 - Do Nothing
The Do Nothing alternative does not address the problem of storage for equalization,
maximum day demand and fire demand and thus would render the water supply system
inadequate to serve the secondary plan area. Hence this alternative does not allow
secondary development to be implemented.
3.2.2.2 Alternative No. 2 - Provide local underground storage at new well sites
This option would entail two underground concrete storage reservoirs constructed
underground, at the two well sites. Variable speed high lift pumps would have to be
provided for maintaining the desired pressure for instantaneous flows. In addition,
booster pumps for peak hour flows, fire flow pump and a standby power generator for
power backup for the pumps would be required.
3.2.2.3 Alternative No. 3 - Provide central underground storage for the new development
This option is similar to the above option except that instead of two local storage
reservoirs only one central underground reservoir would be required in this alternative.
Variable speed high lift pumps would have to be provided for maintaining the desired
pressure for instantaneous flows. In addition, booster pumps for peak hour flows, fire
flow pump and a standby power generator for power backup for the pumps would be
required. However booster pumps and fire pump would be required only at one location
as opposed to two in case of local underground storage alternative.
3.2.2.3 Alternative No. 4 - Provide central above grade storage for the new development
This option is also similar to alternative 3 except that the reservoir would be a storage
tank at grade.
Variable speed high lift pumps would have to be provided for maintaining the desired
pressure for instantaneous flows. In addition, booster pumps for peak hour flows, fire
flow pump and a standby power generator for power backup for the pumps would be
required.
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3.2.2.4 Alternative No. 5 - Provide central elevated storage for the new development
This option would involve construction of a centrally located elevated reservoir. The
elevated reservoir could be of concrete or steel. Central elevated storage will receive
disinfected well water directly from the well. The weight of the water in the elevated
storage tank will provide domestic and fire flow pressures for the entire Secondary Plan
area. This option obviates the requirement of having high lift pumps. Further, as the well
pumps have to lift the water to the level of elevated reservoir, pressurized disinfection
contact time is provided at the well location. This allows the disinfected well water to be
pumped directly to the distribution system.
3.2.3 Sewage Collection
Reasonable alternatives for upgrades for the storage of potable water for the Craighurst
Settlement Area include the following:
Alternative No. 1 - Do Nothing
Alternative No. 2 - Provide conventional gravity sewers
Alternative No. 3 - Provide small bore sewers
Alternative No. 4 - Provide pressure sewers
Figure 3.2 presents a potential sewer system layout.
3.2.3.1 Alternative No. 1 - Do Nothing
The Do Nothing alternative does not provide any method for collection of sewage for its
treatment and final disposal. This option would not implement the preferred servicing
solution for Craighurst in the Official Plan.
3.2.3.2 Alternative No. 2 - Provide conventional gravity sewers
This alternative involves providing a conventional wastewater collection system that
would transport sewage from homes or other sources by gravity flow through buried
piping systems to a central treatment facility in the Craighurst settlement. These
systems are usually reliable and consume no power. However, the slope requirements
to maintain adequate flow by gravity may require deep excavations in hilly or flat terrain,
as well as the addition of sewage pump stations, which can significantly increase the
cost of conventional collection systems. Manholes and other sewer appurtenances
would also have to be provided which would add substantially to the overall cost of this
system.
3.2.3.3 Alternative No. 3 - Provide small bore sewers
The small-bore system is a gravity sewer that requires interceptor tanks at the head of
the sewer to prevent gross solids entering the sewer. The settling that first occurs in the
septic tank eliminates most of the solid matter from the wastewater. This enables the
collection pipes to have a smaller diameter and a more gradual incline.
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15
The pipes used are made of light weight plastic and can be buried at a relatively shallow
depth. Manholes are not required for small diameter gravity systems; instead, clean out
ports are used to service collector pipes. A household that already has a septic tank can
therefore readily connect to a small-bore system. Households that do not have a septic
tank will first have to construct a tank which may make the cost similar to the
conventional gravity sewer system. Hence this option would require all residential and
non residential units in the Craighurst secondary plan area to construct individual septic
tanks.
Also, depending on the topography of the terrain, a sewage pumping station may also
be required.
3.2.3.4 Alternative No. 4 - Provide pressure sewers
Pressure sewers utilize the force supplied by pumps, which deliver the wastewater to the
system from each property. Since pressure sewers do not rely on gravity, the systems
network of piping can be laid in very shallow trenches that follow the contour of the land.
This system would require provision of combinations of septic tank and effluent pumps.
Pressure sewers utilize septic tanks to settle out the solids - thus allowing use of
extremely small diameter piping. The effluent pump delivers the wastewater to the sewer
pipes and provides the necessary pressure to move it through the system. Provision and
maintenance of septic tank and the effluent pumps would be the responsibility of the unit
owners.
In addition, this system has to be installed with high water alarms. Because of the
addition of the pumps, pressure sewers tend to require more operation and
maintenance than small diameter gravity sewers. Operators can usually be hired on a
part time basis, as long as someone is on call at all times. Operators will need training
on both the plumbing and electrical aspects of the system.
3.2.4 Sewage Treatment and Disposal
Reasonable alternatives for sewage treatment and disposal for the Craighurst
Settlement Area include the following:
Alternative No. 1 -
Do Nothing
Alternative No. 2 -
Subsurface disposal using individual tile beds
Alternative No. 3 -
Subsurface disposal using communal tile beds
Alternative No. 4 -
Subsurface disposal using conventional wastewater treatment
Alternative No. 5 -
Surface disposal using advanced wastewater treatment
A summary of the above noted Alternatives are presented in the following paragraphs.
Figure 3.2 shows possible locations for sewage treatment plants and disposal beds.
3.2.4.1 Alternative No. 1 - Do Nothing
The Do Nothing alternative does not provide any method for disposal of sewage and
hence does not allow secondary development to be implemented.
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3.2.4.2 Alternative No. 2 - Subsurface disposal using individual tile beds
This alternative involves each individual residential unit to have its own on-site septic
tank and tile bed system for subsurface disposal of effluent. This would entail collecting
raw sewage of a residential unit in an individual on-site septic tank followed by
subsurface disposal of the settled effluent through a tile bed facility. Existing
development has been supported by similar individual conventional Class IV subsurface
sewage systems.
3.2.4.3 Alternative No. 3 - Subsurface disposal using communal sewage treatment system
This alternative involves subsurface sewage systems comprising a centralized
communal sewage treatment system. This would entail provision of a sanitary sewer
system for sewage collection along with a treatment system comprising of but not limited
to one of the following:
• Peat/biofilters
• Recirculation sand filters
• Large communal tile beds
Depending on the location of the sewage treatment plant and topography of the terrain a
sewage pumping station might also be required. It is also likely that land acquisition
would be required for the new sewage treatment plant and/or sewage pumping station.
Land for subsurface disposal through communal tile beds would be provided within each
subdivision as development proceeds. These lands would be conveyed to the
Township. Acquisition of land for tile beds would only be required if a suitable location
within the development is not available.
3.2.4.4 Alternative No. 4 - Subsurface disposal using conventional wastewater treatment
This alternative involves treatment of raw sewage in a centralized conventional
wastewater treatment plant followed by subsurface disposal of the treated effluent. This
would entail provision of a sanitary sewer system for sewage collection along with a
treatment system comprising of but not limited to one of the following:
• Activated sludge process with denitrification
• Sequential batch reactors (SBR) with denitrification
• Rotating Biological Contactors (RBC) with denitrification
Depending on the location of the sewage treatment plant and topography of the terrain a
sewage pumping station might also be required. It is also likely that land acquisition
would be required for the new sewage treatment plant and/or sewage pumping station.
Land for subsurface disposal through communal tile beds would be provided within each
development as development proceeds. These lands would be conveyed to the
Township. Acquisition of land for tile beds would only be required if a suitable location
within the development is not available.
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3.2.4.5 Alternative No. 5 - Surface disposal using advanced wastewater treatment
This alternative entails collection of raw sewage in a sanitary sewer system and
treatment in a centralized advanced wastewater treatment plant consisting of Membrane
Bioreactors, followed by surface disposal of the treated effluent.
Depending on the location of the sewage treatment plant and topography of the terrain a
sewage pumping station might also be required. It is also likely that land acquisition
would be required for the new sewage treatment plant and/or sewage pumping station.
3.2.5. Stormwater Management
Reasonable alternatives for upgrades for the stormwater management of Craighurst
Secondary Plan Area include the following:
Alternative No. 1 - Do Nothing
Alternative No. 2 - Follow best management practice
Alternative No. 3 - Provide stormwater management facilities
A summary of the above noted alternatives are presented in the following paragraphs.
Catchment areas and drainage directions are shown on Figure 3.3.
3.2.5.1 Alternative No. 1 - Do Nothing
The Do Nothing alternative does not provide any method for treatment or quantity
control of stormwater and hence does not allow secondary development to be
implemented.
3.2.5.2 Alternative No. 2 - Follow best management practice
Best management practice for stormwater management involves taking measures that
increase infiltration, reduce post-development peak flow and erosion, and enhance
water quality. This would entail measures like provision of Grassed swales along road,
vegetated buffer strips where practical especially alongside roadways in the vicinity of
stream crossings and construction of artificial ponds for detention of runoff etc.
3.2.5.3 Alternative No. 3 - Provide stormwater management facilities
This alternative would involve provision of stormwater management facilities comprising
- stormwater management ponds, curbs, gutters, sewers, manholes catch basins etc.
The drainage basins in the Craighust settlement including the secondary plan area is
divided into 8 areas from A to H for planning and provision of stormwater management
ponds Figure 3.3. Out of these, areas D and E lie in the existing development areas and
already have stormwater management ponds in them.
Six new Level 1 quality ponds in areas, A, B, C, F and G would be required for post
development storage and management of stormwater. Permanent pool storage volumes
are to be based on impervious ratio and drainage area. Final actual volumes should be
obtained through detailed hydrologic model undertaken at the functional servicing plan,
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or detailed design stages. The active storages shall include extended detention storage
for erosion control, and quantity control storage for each design storm (2 to 100 year).
Drainage area "H" with an area less than five hectares would be provided with an
infiltration basin or dry pond since the area is too small to sustain a wet pond according
to NVCA Wet Pond Criteria.
3.2.6 Transportation
Reasonable alternatives for upgrades for the transportation network within the
Craighurst Secondary Plan Area include the following:
Alternative No. 1 - Do Nothing
Alternative No. 2 - Upgrade the road network to suit the requirement of secondary
plan
3.2.6.1 Alternative No. 1 - Do Nothing
The Do Nothing alternative does not provide for accommodation of post secondary
development traffic growth.
3.2.6.2 Alternative No. 2 - Upgrade the road network to suit the requirement of secondary
plan
This alternative involves providing additional lanes on arterial roads to facilitate smooth
movement of the increased traffic. Apart from that, provision of dedicated left turn lanes,
provision of an advance green signals for dedicated left turns, queue storage and
additional approach lanes to railways would also have to be provided. Further, upgrades
to transportation infrastructure including - extension of existing right of ways and
provision of urban cross sections for storm sewers and gutters.
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4. ASSESSMENT OF ALTERNATIVE SOLUTIONS
4.1 General
This section provides a detailed discussion and assessment of alternative solutions
presented in Section 3.
4.2 Water Supply, Storage and Distribution
A water system consists of a raw water supply source with pumps that discharge directly
to the consumer or to storage, water quality treatment systems, water storage either
above or below ground, high pressure pumps that discharge to the distribution system
pipe network and provide domestic water and or fire protection.
4.2.1 Water Supply
Water supply is typically either from secure ground water wells or a surface water body.
An alternative is the purchase of potable water from an outside location. There is no
opportunity to utilize surface water as a source of water or to purchase water from an
outside agency or Municipality.
4.2.1.1 Existing Supply
The Craighurst Estates Water Works system has a current capability to supply about 55
units residential and about 10 equivalent units for commercial development (400 Ipcd).
In terms of water demands the system is designed for Average Day Demand of 77.8
m3/d, Maximum Day Demand of 233 M3 /d, peak hour demand of 6.6 L/s, and a fire
demand of 16.6 L/s over 2 hours. The system is limited in terms of providing additional
capacity.
Apart from the Craighurst Estate water wells, there are approximately 110 existing
individual wells within the study area.
4.2.1.2 Future Demand
Institutional demand
Church - _70 seats @8 L per seat:
0.56 M3 /d
School -_540 students
@ 30 L/day and 4 staff @ 50 L/day:
16.4 M3 /d
Commercial demand - .5,000 m2 @ 5 L/m2 :
25 M3 /d
Total Non-residential demand:
42 M3 /d
Non-Residential Equivalent Population @ 450 L/day:
93 people
Non-Residential Equivalent Units @ 3 people/unit:
31 units
Residential Development is expected in two phases:
Phase I north of Horseshoe Valley Road: 400 Units
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Phase 2 south of Horseshoe Valley Road: 300 Units
Future Equivalent Units 31 Units
Future Equivalent Residential Units: 731 Units
Existing Development: 94 Units
Total Equivalent Residential Units: 825 Units
As per MOE Guidelines, a residential demand of 450 liters per capita per day (Ipcd) is
normally used to calculate residential water demands in urban areas.
It is very common to see historical water records for domestic usage in Simcoe County
with a water consumption of 400 litres per capita per day. This has been attributed to the
use of low flush toilets and water saving devices of the environmentally aware
consumers.
For the purpose of this assessment the total future average day water demand is
established as (994 M3 /d), say 1,000 M3 /d.
4.2.1.3 Well Locations
The preferred location for advancing new wells is predicated on the hydrogeology data
from historical data for the available sites. The availability of suitable property can be a
limiting factor as site topography and the associated existing land use may impose
restrictions on either the location of the well or future development.
Locating new wells away from the preferred storage facilities provides an engineering
challenge but does not preclude this concept from consideration. The advancement of a
municipal grade well at the best site for a water source well is always given serious
consideration during a drilling program. The phased approach and sequence of
development within the settlement area may present limitations on the availability of well
sites.
Potential areas of access to the lower aquifer include:
1. The Snider well (MOE Well No.18 14), which taps into a sand and gravel unit
approximately 20 meters thick at 70 meters depth. This well is close to the
Cemetery.
2. An extensive sand aquifer of approximately 50 meters thick under artesian
conditions found commencing at 25 meters depth in the vicinity of MOE Well No.
11090, which is located on the west side of the CPR west of the Craighurst Estates
subdivision. This Well location is close to a potential wastewater discharge area.
3. An extensive gravel aquifer of unknown thickness and encountered at relatively
shallow depths of between 25 and 50 meters confined by clay and till south of
County Road 22.
Other local factors that must be considered when positioning a production well,
including the location of supply wells outside of the Secondary Plan area and potential
sources of contamination to the water supply. Table 4.1 summarizes local issues with
respect to production well positioning.
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Table 4.1
Local Factors Affecting Production Well Positioning
Item
Concern
Discussion
Highway 400 is an area where there is an upward
Highway 400
Chlorides & sodium
hydraulic gradient; as a result, the road salt is washed
from road salt
away to surface water because of the upward
hydraulic gradient of groundwater flow.
Salting levels are lower than Highway 400, however,
County Roads 22
there is a downward hydraulic gradient and the
and 93
Chlorides & sodium
potential for salt contamination to the upper aquifer
from road salt
exists. The lower aquifer is protected by surface
contamination due to it being confined by clay and till
layers.
The Presbyterian Cemetery is located beside the
Snider Well, and the Anglican Cemetery is located on
Cemeteries
Various contaminants
County Road 93 south of County Road 22. In both
instances the lower aquifer is protected by overlying
clay and till layers.
Existing livestock operation located south of SE
Active Livestock
Various contaminants
quadrant. As described above, the clay and till layers
that overly the lower aquifer protects it from
contamination b surface sources.
Existing development is supported by individual
Subsurface Sewage
Nitrates & biological
septic systems. As described above, the clay and till
Disposal
contamination
layers that overly the lower aquifer protects it from
contamination b surface sources.
Those areas outside of the Secondary Plan relying on
groundwater supply include several residences
Surrounding Wells
Interference
fronting County Roads 22 and 93, and estate
residential development located 1.0 km to the
southeast. There is adequate supply to provide water
to existing development as well as new development.
However, to avoid complaints of drawdown
Surrounding Wells
Interference
interference, the production well should be removed
from adjacent concentrated development to the
southeast b at least 1.0 km.
It is preferable to locate the production well in close
proximity to the storage facility. If elevated storage is
Proximity to Storage
Reduced piping
desired then the well should be situated at the highest
Facilities
point of land which would place it somewhere in the
east quadrant. However, other constraints may
dictate an alternate location.
The Secondary Plan development areas are split into
Phasing of
Financing
three district units, the North Quadrant, South
Development
Quadrant and Existing Development. It may be
desirable to initial) service each area inde endentl .
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Table 4.1
Local Factors Affecting Production Well Positioning
Sufficient area around the Well head (50 meters
diameter) should be provided to ensure surface
Well Head Protection
sources of contaminants cannot migrate down the
Source Protection
and Source Protection
well overtime (i.e. well casing annulus). Source water
protection legislation and stewardship by the NVCA is
expected to address source water protection
concerns.
Since it is desirable that development of the North and the South Quadrant of the
Secondary Planning Area proceed consecutively, it is feasible to implement potable
groundwater supply sources as follows:
1. Continue to use the Craighurst Estates water supply systems
2. No change for existing development at the outset.
3. Construct test wells to determine well and aquifer yield.
4. Construct storage for 1,855 m3 or as confirmed by potential water supply from well
tests.
5. Develop a production well in the North Quadrant at the north limit of the Passive
Park, extending services to existing development not serviced by the Craighurst
Estates Water Works and fill the new storage reservoir.
6. Develop a second production well, located in the southern section of the Secondary
Plan area east of the CPR, in the active Community Park, to service those areas that
cannot be serviced by the above, and the area within the South Quadrant.
7. Interconnect the three water supply systems by connecting trunk water mains to
service the entire Secondary Plan Area.
The number of wells for each location is dependent on the ability of each well to meet
the projected theoretical demands. Extensive long duration 72 hour pump tests are
required to determine the feasibility of utilizing a new well to produce an acceptable
yield. Extensive water quality chemical testing is undertaken to verify that the source
water is acceptable to meet the provincial requirements for potable water.
Permit to Take Water Regulations are changing and all applications are extensively
reviewed by the Ministry of the Environment. There is an existing Permit to Take Water
in Craighurst and any additional potable water wells would require an amendment and
reissue of the existing permit. All water taking over 50,000 litres per day is monitored,
and permits are issued with many restriction. However, Permits to Take Water are still
reviewed and issued by the MOE on a first come first serve basis.
Since the Township encourages development to occur in settlement areas such as
Craighurst, it is not anticipated that there will be any issues on the issue of an
amendment to the Permit to Take Water. The historical hydrogeology for water supply in
this location suggests that there is more than a sufficient source of ground water to
realize the proposed development in the southern portion of the Secondary Plan in the
future. However, test wells with quantity and quality testing should be completed as
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early as possible to confirm a sufficient water supply is available to fully develop the
area and consider other development applications in the aquifer recharge area.
4.2.2 Water Storage
Craighurst Estates Water system has a current storage capacity of 112 m3 provided by
a below grade reservoir. Installation of new source water well system for the secondary
plan area would then require the construction of additional water storage. Water
storage is required to provide, contact time, equalization storage, fire protection storage
and emergency use storage.
With fire protection storage a function of the total volume of water to be designed into a
system it is necessary to discuss the level of fire protection within the serviced area. The
level of fire protection is controlled by the Municipality with the Ministry of the
Environment Guidelines suggesting the fire flow requirements based upon population.
The minimum currently accepted fire flow is 38 liters per second at 140 kPa pressure at
every fire hydrant within the distribution system. The second consideration for fire
protection is the ability to provide at the discretion of the Municipality additional fire flow
to meet the specific requirements of individual developments in commercial or
employment areas. It is sometimes mandated by fire Underwriters that specific fire flow
and pressures be available. It is often standard practice that on site supplemental water
storage and booster fire pumps be employed to meet the site specific requirements of
the Fire Underwriters.
With the population of the serviced area predicted by the number of available lots it is
suggested at this time that the level of fire protection be established at 110 litres per
second.
MOE guidelines require 25% maximum day equalization storage, fire protection for two
hours at 110 L/sec, and 25% of the total storage for emergency at the existing storage.
Total storage required for the Secondary Plan area would be:
Fire 110 L/sec for two hours =
792 m3
Equalization 2,768 M3 /d x 25% =
692 m3
Emergency @ 25% =
371 m3
Total Storage =
1,855m3
Chlorine Contact time for 15 minutes (typical) = 29 m3
The topography within the identified Secondary Plan area and the corresponding
analysis of any pressure drop due to elevation differences concludes that the distribution
water piping network can be serviced within one pressure zone. Consequently,
additional booster pumping facilities will not be required to create more than one
pressurized zone.
Storage options for potable and fire protection can consist of either a central storage
facility or one or more local or nodal storage reservoirs. The final selection of a storage
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system can also be dependent on development phasing. Central storage can be
constructed in phases as mandated by phased development but at a premium of initial
capital cost. The problem with the anticipated development within the secondary plan is
that is not possible to predict which area will be approved and go to construction first.
This mandates that the location of a expansion to the water system may be driven by
which developer chooses to go to market first.
The options for the location of a water treatment and storage facility are firstly existing
Municipal property, secondly the purchase of property at a preferred location and thirdly
the allocation of land within an identified settlement area. The latter although preferred,
limits the choice of a central facility given the unknown as to the sequence of
development.
Water storage reservoirs can be either constructed in ground, at grade or elevated on a
structural pedestal. Each design offers individual advantages or disadvantages that
must be considered on a site by site review.
Underground or grade level storage is typically less expensive than elevated storage
and allows the option of limited construction phasing. Some storage is also necessary
for disinfection contact time, pump cycling, peak hour and instantaneous water demands
4.2.3 Water Distribution
The entire Secondary Plan can be serviced within one pressure zone. As such, water
distribution mains should be directly interconnected between the various development
areas and to the existing Craighurst Estate system.
Water pressure variations are anticipated at the east and west limits of the Secondary
Plan. High pressures are predicted at the lower elevations along the west limit of the
secondary plan and lower pressures are calculated along the highlands near the east
limit of the Secondary Plan. However it is concluded that operating pressures within
each development area are still within the required design guidelines.
It is anticipated that the existing distribution system will provide adequate fire flow. It is
preferred that all communal water within the secondary plan be linked to provide one
integrated system. Water distribution pipe and property services can be provided to
existing development under Section 326 of the Municipal Act.
Water distribution network analysis using a currently recognized method based on
Hardy Cross or one of the computer model derivatives shall be undertaken to ensure
design flows can be delivered throughout the distribution system at the required design
pressures.
The water distribution system may require private rights-of-way or easements to loop
the water network across drainage courses or through as yet unidentified areas of the
Secondary Plan. Watermain extension loops through easements are promoted at the
end of culs-de-sac to prevent dead ends that cause water quality deterioration.
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Water supply from the storage reservoir and the three Well locations within the
Secondary Plan results in shorter lengths of watermain between sources, and the
furthest demand and highest demand are less distance away than water provided from
one source. The lower friction losses result in smaller diameter watermain, such that the
maximum size of watermain needed to deliver maximum day plus fire flow is 250 mm
diameter.
4.3 Wastewater Collection, Treatment and Disposal
4.3.1 Wastewater Flows
It is anticipated that the existing commercial and residential development will at some
time connect to the new sewage treatment facilities in due course. New development in
the Secondary Plan forecast in Section 2 of this report will require wastewater services
similar to the water requirements identified in Section 3: "Water Supply Storage and
Distribution".
Total residential development is expected in a minimum of two distinct development
phases with approximately 400 units in Phase 1 and 300 residential units in Phase 2.
The existing residential development has about 100 units and when combined with the
non-residential development results in about 131 equivalent residential units.
Both residential and non-residential wastewater flows reflect the theoretical water supply
when infiltration into the collection network is considered.. Section 2.2.2 identifies water
demand for development of 825 equivalent residential units at 400 liters per capita per
day (1,200 liters/unit). The objective of developing the water supply will result in about
1000 M3 /d of wastewater produced.
The 1000 M3 /d average daily flow from residential and non-residential development in
the Secondary Plan, includes an allowance for infiltration into the sanitary sewage
collection system. The total developed area serviced by sanitary sewers is about 100
ha, and the equivalent service population is 2,488 people. MOE design criteria for new
sewage facilities for new development require that:
1. Strict control should be provided by the municipality to ensure sewer services from
Property line to new buildings will be implemented to prevent sump pumps; footing
drain and roof drain connections to the sanitary sewer, and insure proper building
service construction and connections.
2. Adequate design and inspection during construction of both the municipal sewer and
property services, and private services to the building.
3. Routine inspection and maintenance programs are in place by the
municipality/operating authority to insure a tight system is maintained.
In addition to the above sewage flows based on usage, an infiltration/inflow rate of
groundwater is added to the system to account for potential future leaks into the system.
This is also used for design of sewage facilities such as pumping stations and treatment
facilities is typically stated at 90 L/day per person. Historically for this location and the
nature of the underlying soil strata with the corresponding elevation of the ground water
this value can be adjusted.
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The rated capacity of the Sanitary Sewage Plant is a function of the rate at which the
raw sanitary sewage is collected and discharged to the faculty and the capacity of the
transfer pumps to deliver the raw sewage to the inlet works. This flow rate from either a
sanitary sewage lift station constructed within the waste water treatment plant or from a
forcemain and pumping station can not exceed the maximum rated capacity of the plant.
It is estimated that the build-out of the Secondary Plan will result in an average daily flow
of 1,000 M3 /d and with a design peak hour factor of 3.0 produces a facility rated at
3,000 M3 /d (peak daily flow).
Maximum daily flow for wastewater facilities is related to stormwater inflow/infiltration
and total water consumption/disposal, (similar to water facilities). Maximum daily flows
and peak hour flows are equalized in the design of the wastewater facilities and are
cushioned by averaging and storage in the collection system. The peaking factor is
often determined by the selection of the treatment process. This will then impose
limitations on the rate that the raw sewage is discharged to the treatment design or flow
balancing must be incorporated into the pumping stations or plant.
In addition to wastewater from the Secondary Plan, the ability to accept septage for
treatment and disposal or to temporarily back-up other Municipal Sewage Treatment
Plants should be considered.
Discharge criteria are set by the MOE Southwestern Region. An assimilation study for
the Nottawasaga River watershed, completed in 2006, has established loading criteria
for individual subwatersheds and the resulting discharge criteria.
Once the final effluent limits and objectives to the identified parameters have been set
then the Reasonable Use Guidelines (RUG) can be applied to this development.
The ability of the underlying soils to accept the final wastewater effluent determines if
subsurface disposal by hydraulic conductivity is a viable option. Non cohesive sandy
soils are preferred over heavy clays or till with a detailed analysis by a competent
hydrogeologist.
Based on the assessment undertaken during the Background Study the permeable soils
are suitable for infiltration. Additional field investigation will be needed to define the
infiltration areas for the Municipal Sewage Treatment Plant during the preparation of the
Master Servicing Reports that are part of the site specific approval process.
Biosolids
Biosolids or sludge production is similar for all alternative treatment processes and must
be disposed typically by land application under the specific and current legislation of the
Province of Ontario. It is not anticipated that the disposal of biosolids from this location
will be an issue.
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4.3.2 Sewage Collection
Alternative sewage collection systems include, but are not limited to, the following
collection systems:
• Conventional gravity sewers
• Small bore sewers
Pressure systems
• Vacuum systems
The method of sewage collection can have a bearing on the amount of groundwater
infiltration that must be treated. Small bore sewers and pressure/vacuum systems have
lower infiltration volumes. However, conventional gravity sewers are reliable, virtually
maintenance free, and have virtually no operating costs.
In addition, sewage collection systems that incorporate holding or septic tanks can
reduce peak sewage flows that must be dealt with by both the collection system and
treatment facility.
In deciding on sewage collection systems several considerations must be taken into
account.
1. The undulating topography may require deep burial of gravity sewers and possibly
necessitates the use of pumping stations and the expropriation of easements, if
same cannot be obtained in a cooperative manner.
2. Native soils are favorable with respect to the construction of underground utilities
such as sewers.
3. There could be dewatering problems in low lying areas. This could impede
construction of sewers, and potentially impact adjacent shallow wells.
Of the various types of sewage collection systems gravity sanitary sewers are the
preferred method of collection for the Secondary Plan.
4.3.3 Sewage Treatment and Disposal
There are no communal sewage systems within the Secondary Plan Area. Existing
development has been supported by individual conventional Class IV subsurface
sewage systems.
Sanitary sewage treatment facilities utilizing modern technology offer a very high level of
treatment that produces a final effluent suitable for discharge to the environment.
There are several alternative sewage treatment systems that can be considered for
installation within this settlement area. Sanitary Sewage treatment typically involves
primary treatment or screening to remove solids, secondary treatment with biological
activity to produce an effluent at acceptable and mandated levels of the identified
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parameters. It is sometimes required that tertiary treatment be utilized to further lower
the level of the design parameters to meet stringent final effluent limits. This is often
accomplished with deep bed filters or membrane filters.
In a conventional Class 1V sewage system, the septic tank provides both primary
treatment, and initiates secondary treatment. The subsurface distribution system
completes secondary treatment. Tertiary treatment is provided by filtering effluent
through the underlying soils.
Alternative treatment systems include, but are not limited to the following:
Treatment and Disposal of Effluent to subsurface soils.
• Peat/biofilters
• Recirculation sand filters
• Infiltration lagoons
• Large communal tile beds
Primary treatment and Subsurface or Surface Water Disposal of Effluent
• Activated sludge with aeration or extended aeration
• Rotary biological contactors
• Sequential batch reactors
• Lagoons with or without aeration
• Biological membrane systems
• Others
Groundwater Surface Disposal of Effluent
• Lagoons with spray irrigation or snowfluent discharge
A review of the local soils and overburden characteristics conclude that the site is
favorable for the subsurface disposal of the final effluent. The second option to be
considered is to discharge the final effluent to a receiving surface water such as one of
the tributaries to Matheson Creek or Craig's swamp. Matheson Creek is identified as a
cold water fishery that requires specific criteria be applied to final sewage effluent if this
is to be considered a viable option.
The limits and objectives of the identified parameters such as suspended solids,
biochemical oxygen demand, nitrates and possibly phosphorus must be applied within
the guidelines for Reasonable Use Guidelines (RUG). The preliminary RUG analysis will
then determine the actual loading of the identified parameters thru the subsurface
disposal beds to the groundwater. The amount of final effluent at the suggested final
effluent limits will determine the quantity of effluent that can be disposed off. Given
below is a description of constraints and opportunities in treatment options and
subsurface/surface water disposal options for the treated effluent.
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Subsurface Disposal
So far as subsurface disposal of treated affluent from any of these treatment systems is
concerned, there are two possible scenarios based on whether or not the effluent plume
is hydraulically isolated from the drinking groundwater aquifer. Given below is a brief
description of disposal criteria for both scenarios.
Subsurface Disposal -without hydraulic isolation
MOE Policy B-7 of reasonable use is applied to measure the impact of development
proposals supported by subsurface sewage systems serving five or more residential
units, or large subsurface sewage disposal systems that discharge more than 10,000
L/d effluent. The Policy is applied where it cannot be demonstrated that the effluent
plume is hydraulically isolated from sources of groundwater supply.
Nitrate (N), which is converted from ammonia found in domestic sewage, is used to
measure groundwater impact potential.
When nitrate attenuation is assessed, only that which occurs by dilution is considered.
The amount of water available for dilution is equal to the annual infiltration rate of 250
mm.
The value of Ce is a function of the type of wastewater treatment system and the level of
treatment effected by the system. Hence the density of development - i.e. residential
units per hectare @ 3 persons/unit - would be determined by the value of Ce and
consequently the type of treatment system and its efficiency.
Subsurface Disposal -Communal System with Hydraulic Isolation
In case it is demonstrated that the effluent plume is hydraulically isolated from potential
supply aquifers, then Policy B-7 is satisfied. This situation typically occurs where there is
a hydraulic boundary to groundwater flow immediately downgradient of the location of
subsurface sewage disposal. The background information collected to date suggests
the wetlands west and north of the Study Area present a hydraulic boundary to
groundwater flow. Further, there is an upward hydraulic gradient in the direction of
groundwater flow adjacent to the wetlands. At the time of final design it will be
necessary to satisfy all provincial guidelines to demonstrate that the effluent plume
discharge from a communal sewage system utilizing subsurface disposal is hydraulically
isolated from groundwater supply aquifers.
Should this situation exist, then the discharge of effluent via the subsurface will occur to
the adjacent wetlands and eventually to Matheson Creek.
Tertiary treatment of effluent would occur naturally by:
1. Filtering effluent through the overburden soils.
2. Uptake by wetland vegetation at the point of effluent discharge to surface.
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Under the Water Resources Act, the Ministry of Environment applies Policies 1 and 2 of
the Provincial Water Quality Objectives as they relate to surface water quality
degradation resulting from the discharge of effluent. It must be demonstrated through an
analysis of the assimilative capacity of the receiving watercourse, that these policies are
met.
Policy 1 states that where upstream surface water quality is below the PWQO
concentration, water quality cannot be degraded to worse than the PWQO concentration
at the downstream compliance limit.
Policy 2 states that where upstream surface water quality is equal to or above the
PWQO concentration, it cannot be degraded further at the downstream compliance
limit.)
In case of surface water discharge - whether directly or via subsurface flow -
phosphorous replaces nitrate as the parameter of concern within sewage effluent. The
PWQO for total phosphorous is 0.03 mg/L. For impact assessment, a concentration of
15 mg/L (P) phosphorous in sewage effluent is used. Phosphorous attenuation occurs
naturally in the soil, and by dilution. Sewage treatment systems are also capable of
reducing the concentration of phosphorous.
The natural retention capacity of the native soil media beneath the subsurface
distribution system, and between the distribution system and the point of discharge to
the surface must be measured to determine the attenuation capacity of the soil.
In all likelihood, the size of development which could be supported by a communal
sewage system utilizing subsurface disposal located in the hydrologic setting described
will be dictated by the hydraulic capabilities of the overburden that must accept sewage
flows rather than phosphorous attenuation.
Surface disposal
The capacity of Matheson Creek, or Craig's Swamp, to receive sewage is limited by the
application of PWQO Policy I with respect to total phosphorous. The Assimilative
Capacity Study (2006) identified the Matheson Creek, and consequently the Willow
Creek subwatershed as unimpaired and also the water meets PWQO. Therefore any
discharge would also have to meet this criterion. A flow rate analysis at the discharge
location, effects of elevated flow on downstream vegetation and structures, and potential
seasonal fluctuation in phosphorous concentrations in the stream must be assessed in
order to fully evaluate this option as they were not addressed by the Assimilative
Capacity Study.
4.3.4 Treatment Plant Location
Since it is proposed to phase development to accommodate growth estimated at 75
units per year, more than one treatment facility and plant expansion phasing are to be
considered. The option of constructing more than one treatment plant significantly
increases initial capital expenditures and long term operating costs. A more economical
option, due to economy of scale, is the design of a plant that can be expanded.
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Consequently, we do not recommend more than one municipal wastewater treatment
facility (sewage treatment is separate from disposal by one or more tile beds). However,
the Class Environmental Assessment for the new Sewage Treatment Plant will review
this option as a potential solution.
The preferred location of a future wastewater treatment facility must take into account
many factors relating to engineering constraints as well as social economic
considerations. Potential sites must take into account:
• The integration of the collection of the raw sanitary sewage and delivery to the
WWTP with either gravity sewers, pressure forcemains or a combination of the
both.
• Access to the site by operational staff and maintenance vehicles.
• The availability of high voltage power to the site.
• Concerns with noise, odours.
• The integration of the site and architecture with proposed or existing residential
or commercial development.
• Site topography.
• Integration into a phased approach to an undefined growth pattern driven by
private enterprise.
There are a limited number of potential sites to locate a new waste water treatment plant
within or immediately surrounding the defined settlement area.
The first potential site, SITE 1, is located at the northeast corner of Lot 41, Concession 1
west of the CPR railway. This location illustrated on Figure 3.2 is selected for the
following reasons:
- The Plant is downstream of, but close proximity to, the gravity collection system for
the Secondary Plan;
- The Plant is midway between the north and south limits of the Secondary Plan to
reduce trunk sewer lengths, depths and diameters
- The Plant abuts, but is above flood levels of Copeland wetland. The wetland is non-
agriculture and non-developable, provides a natural buffer and is available for
consideration of a wastewater discharge if discharge to the wetland is selected in the
Class Environmental Assessment process
- The Plant abuts the railway as a visible barrier and as a non-residential buffer, and is
in a non-developed agricultural location outside the Secondary Plan. As such, the
Plant is expandable
The Plant is located such that property acquisition from Lot 41 or Lot 42 owners will
ensure a competitive price
- The Plant is located such that infiltration disposal options can be provided by either
Lot 41 or Lot 42, or both
The Plant is located outside the Secondary Plan where development is proposed, so
trunk sewers and forcemain parallel to the CPR railway, (as a Utility corridor), will not
interfere with multiple residential properties. Power supply, telecommunications, gas
and utilities can be provided along a utility corridor from County Rd 22
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The Plant location is midway between two streams that may provide the option of
surface water discharge to one or both depending on the Class Environmental
Assessment. Gravity or pumped discharge is possible
The site is accessible from County Rd 22 and is in close proximity to Highway 400.
Truck traffic for deliveries and sludge disposal do not need to travel through the
Secondary Plan development.
The Second potential location, SITE 2 is located at the northeast corner of Lot 40,
Concession 1 west of the CPR railway. This location illustrated on Figure 3.2 is selected
for the following reasons:
- The Plant is downstream of, but close proximity to, the gravity collection system for
the Secondary Plan;
- The Plant is between the north and south limits of the Secondary Plan with there
being multiple options on location of trunk gravity sewers or force mains to reach the
site
- The Plant abuts, but is above flood levels of Copeland wetland.
- The Plant abuts the railway as a visible barrier and as a non-residential buffer.
- Is in a non-developed agricultural location outside the Secondary Plan. As such, the
Plant is expandable
- The Plant is located such that the disposal options can be explored in detail during
the phased development of the site by locating site specific areas and forcemains as
required.
The Plant is located outside the Secondary Plan where development is proposed, so
trunk sewers and forcemain parallel to the CPR railway, (as a Utility corridor), will not
interfere with multiple residential properties. Power supply, telecommunications, gas
and utilities can be provided along a utility corridor from County Rd 22
- The site is easily accessible from County Rd 22 and is in close proximity to Highway
400. Truck traffic for deliveries and sludge disposal do not need to travel through the
Secondary Plan development.
The third potential location, SITE 3, is located at the northeast corner of Lot 41,
Concession 1 East of the CPR railway. This site, illustrated on Figure 3.2 is selected for
the following reasons:
- The Plant is downstream of only part of the proposed development area. Another
development area would require dedicated pumping stations and forcemains to send
the raw sewage to this site.
- The Plant is above flood levels.
- The Plant would site adjacent to the railway.
- The Plant is located such that the disposal options can be explored in detail during
the phased development of the site by locating site specific areas and forcemains as
required.
- The Plant is located inside the Secondary Plan where development is proposed, so
trunk sewers, forcemains power supply, telecommunications, gas and utilities can be
provided along a utility corridor from Highway 93
- The site is easily accessible from Highway 93 and is in close proximity to Highway
400. Truck traffic for deliveries and sludge disposal do not need to travel through the
proposed residential development.
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The fourth potential site would be located within the first phase of development to
request approval to proceed to construction. Potential locations would be determined at
the time of construction of the first development:
The Plant would preferably be downstream of only part of the proposed development
area. Other development areas would require dedicated pumping stations and
forcemains to send the raw sewage to this site.
- The Plant would be above flood levels.
- The Plant should be located adjacent to either major roadways.
- The Plant is located such that the disposal options can be explored in detail during
the phased development of the site by locating site specific areas and forcemains as
required.
- The Plant is located inside the Secondary Plan where development is proposed, so
trunk sewers, forcemains power supply, telecommunications, gas and utilities can be
provided along a utility corridor from either county Road 22 or Highway 93.
- The site is easily accessible from Highway 93 and is in close proximity to Highway
400. Truck traffic for deliveries and sludge disposal may need to travel through the
proposed residential development.
4.4 Stormwater Management
The Craighurst Secondary Planning Area is 160 hectares in area situated within the
Simcoe Uplands on the extreme northwest flank of the Bass Lake or Oro Moraine sand
moraine. The area drains to Matheson Creek which is tributary to Willow Creek and the
Nottawasaga River. The upper section of Matheson Creek is also part of the Copeland-
Craighurst wetland complex.
Matheson Creek provides cold and cool water fishery, which impacts the degree of
treatment required for any stormwater undertaking. Within the Planning Area, the
Nottawasaga Valley Conservation Authority has requested a 30 meter development
setback from the centerline of identified natural streams.
This section provides the technical and engineering stormwater management
information for future development. It includes the hydrologic models for existing
conditions, and stormwater management facility locations, sizing, design criteria and
cost estimates.
4.4.1 Existing Conditions
4.4.1.1 Drainage Basins
Drainage basin catchment areas utilizing Data from the previous Trow Report are
identified on Figure 2.2. There are five major gullies, or small watershed drainage
basins, that drain from the northwest flank of the moraine through the study area to
Matheson Creek. The construction of County Road 22 (Horseshoe Valley Road) has
diverted catchment area Basin 2 to Basin 1. The diverted and remnant portions of Basin
2 result in six drainage basins altogether. Table 4.2 provides a summary of each
drainage basin.
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34
Table 4.2
Craighurst Drainage Basins
Drainage
B
i
Area
h
Elevation
d
Hydraulic
L
Land Type
as
n
(
a)
rop (m)
ength (m)
Wooded
Field
Settled
%
1
49
46
1,700
5
95
2
157
103
3,300
25
75
20
13
3
59
29
1,400
50
50
16
27
4
59
32
1,800
70
30
11
19
5
331
126
4,800
60
40
40
12
6
226
129
4,700
70
30
The density of development in "settled areas" is relatively low outside the central
commercial area located at the crossroads in Craighurst. Typical existing lot sizes in
residential areas range between 0.2 and 1.5 hectares (0.5 and 4.0 acres).
The following is a description of each drainage basin:
Basin 1 drains to the extreme southwest corner of the planning area. There is no
defined watercourse. However, there is a 0.6 meter diameter concrete culvert to convey
any overland flow which may occur from this basin through the CPR embankment.
Basin 2 lies south of County Road 22. Topographic mapping shows the watercourse
crossing County Road 22 at the CPR crossing; however, the 1.8 x 0.9 meter concrete
box culvert passes through the railroad embankment only. Flow from this basin is
directed towards the Highway 400 cloverleaf south of County Road 22 where it joins the
outfall from Basin 1. This drainage route flows intermittently.
Basin 3 was once part of Basin 2 before County Road 22 was constructed. Basin 3
commences at the Foodland grocery store and drains the south portion of the new
Craighurst Estates Subdivision to a 0.6 meter diameter concrete pipe culvert passing
under the railway embankment. There is no defined watercourse downstream of the
CPR.
Basin 4 is a small intermediate drainage area that coincides with a pronounced gully
that commences immediately to the northeast of the intersection at County Roads 22
and 93. There is a small storm sewer system that drains the intersection. The storm
sewer outlets to the Basin 4 gully where County Road 93 crosses it south of the
intersection. Overland flow at the base of the gully occurs briefly after a runoff event.
The 0.9 meter diameter culvert under County Road 93 is half filled with silt. Some minor
erosion is evident at the road embankment.
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A 0.9 x 1.2 meter concrete box culvert under the CPR embankment accepts surface
drainage from this basin. Base flow does not occur in Basin 4 until just upstream of
Highway 400.
Basin 5 encompasses the northerly section of the study area. Base flow is evident at
County Road 22 where there is a 1.2 meter diameter CSP. The stream channel at this
location is 0.3 meters wide by 0.15 meters deep and flows southeast to northwest
through the study area. The stream crosses County Road 93 through a 0.9 meter CSP
culvert and then passes through a 1.5 x 1.8 meter concrete arch culvert at the CPR
embankment. The stream channel approaching the CPR culvert is 0.3 meters wide and
0.4 meters deep and has a flow of 12 Us (with 25-30 mm rainfall three days prior).
There is a sub-basin within Basin 5 that is approximately 26 hectares in size. It has no
defined channel and drains to a 1.2 x 0.8 meter concrete box culvert that passes under
the CPR, then to a 0.9 meter diameter steel culvert that passes under County Road 93.
Surface drainage from this sub-basin joins drainage from the balance of Basin 5 within
the swamp lying west of the Study Area.
Basin 6 is located in the northerly limit of the study area. There is no evidence of a
riparian channel at County Road 22. However, at the CPR 1.2 x 1.5 meter concrete arch
culvert the stream channel is 0.3 meters wide and 0.2 meters deep. A stream flow of 20
Us was measured at the CPR culvert on April 24, 2000. There is a High Water mark on
the culvert headwall that coincides with the top of the culvert opening. Basin 6 outlets to
Craig's Swamp
4.4.1.2 Stormwater Management Facilities
There are two stormwater management facilities in Basin 3. One is located in the
northwest corner of the Foodland store parking lot. The other is located in the southwest
corner of the Craighurst Estates Subdivision. Both stormwater management ponds offer
pre/post-development storm drainage control as well as an opportunity for surface runoff
to infiltrate into the ground.
4.4.1.3 Soils
The Simcoe County Soil Survey shows the surface soils surrounding Craighurst to be
Tioga sand loam and Tioga sand-Vasey sand loam at elevations higher than contour
250 masi. Below contour 250 masi, the soils are either Alliston sandy loam, or muck.
Muck soils are found in the lower swamp areas adjacent to Highway 400 west and north
of Craighurst. The Alliston soils are located at marginally higher elevations found
adjacent to the low swamp lands.
Tioga and Vasey soils are well draining with high infiltration characteristics, and belong
in soil hydrologic groups A and AB, respectively. Alliston sandy loam soils are fine sands
with imperfect drainage and a similar hydrologic group classification of AB. Muck soils
are typically located in areas where organic material has collected and drainage is poor.
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4.4.2 Guidelines for future Stormwater Management
The stormwater management plan for the Secondary Planning Area shall be completed
in accordance with the most current provincial, municipal and the Nottawasaga Valley
Conservation Authority guidelines. The guidelines shall include, but are not limited to,
the following:
Water Quantity
Post-development peak flow rates attenuated to pre-development levels, or less, for all
storms up to and including the 100 year rainfall event. Safe conveyance of the
stormwater for the Regional Storm Event is required for all road and subdivision design.
Water Quality
Enhanced treatment (formerly designated Level 1) is required due to:
The Planning Area located in Oro Moraine, a very important recharge area and
headwater of Matheson Creek;
Downstream coldwater fisheries
A setback of 30 meters is required on either side of a natural stream.
4.4.3 Pre Development Stormwater Flows
SWMHYMO, a computer stormwater management hydrologic model, was utilized to
compute the peak runoff flows for the six existing drainage basin areas.
Table 3.3 provides a summary of the 2, 5, 25, and 100 year SCS 24 hour design storm
and Regional Storm (Timmins Storm) event peak flows.
Post development peak flows are to be modeled in detail at the functional servicing plan
stages, or when the development density is clearly identified.
Table 4.3
Pre-Development Peak Flows (m /s)
Storm Event
Basin 1
Basin 2
Basin 3
Basin 4
Basin 5
Basin 6
2 yr. SCS
0.04
0.03
0.77
0.67
0.03
0.03
5 yr. SCS
0.34
0.26
1.19
1.05
0.24
0.16
25 yr. SCS
1.45
1.06
1.68
1.44
0.92
0.63
100 yr. SCS
2.95
2.15
2.26
1.92
1.86
1.30
Timmins
9.60
7.25
2.96
2.63
9.21
6.63
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4.4.4 Post Development Stormwater Management
Post development peak flows for the Planning Area should be controlled to the pre-
development levels or less for all storms up to and including the 100 year rainfall event
Post development peak flows are to be modeled in detail at the functional servicing plan
stages, or when the development density is clearly identified.
4.4.5 Stormwater Management Ponds
The preferred location of stormwater management ponds, and corresponding catchment
areas, within the Secondary Planning Area are shown on Drawing SWM-I.
Pond sites were selected based on the following criteria:
• Locations that would facilitate inter-basin drainage where feasible.
• Upstream of existing drainage culverts crossing Hwy 93 and the CPR thus avoiding
expensive culvert enlargements.
• At the most downstream location within the Secondary Plan Area.
• Locations that also capture drainage from existing lots in addition to new
development.
Each pond shall provide "enhanced" or Level 1 quality protection per Table 3.2 of the
"Stormwater Management Planning and Design Manual" (MOE, 2003). Permanent pool
storage volumes are to be based on impervious ratio and drainage area.
Table 4.4 summarizes the storage volumes for each drainage basin pond. The volumes
are preliminary, actual volumes should be obtained through detailed hydrologic model
undertaken at the functional servicing, or detailed design stages.
Table 4.4
Stormwater Pond/Basin Storage Volumes
Development
Area
Drainage
Area
Percent
Impervious
/o o Runoff
ff
Coefficient
Permanent
Pool
Active
Storage(')
Total
Volume
Pond/Basin
(ha)
m3/ha
m3
m3
m3
A
9.54
60
0.6
162
1545
5500
7045
B
15.84
45
0.4
125
1980
6100
8080
C
24.71
45
0.4
125
3090
9500
12590
F
25.00
45
0.4
125
3125
9700
12825
G
42.92
45
0.4
125
5365
16600
21965
H
3.18
45
0.4
27.5
90
1200
1290
(1) Active storage volumes are calculated based on Orillia OF SCS 100 year storm event having a 24 hour rainfall
volume of 120.68 mm, and that the volume of runoff retained in active storage is 80% of total 100 year storm rainfall.
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The active storages shall include extended detention storage for erosion control, and
quantity control storage for each design storm (2 to 100 year).
An infiltration basin or dry pond shall serve the drainage area "H", because the area
shall be too small to sustain a wet pond. NVCA "Wet Pond Criteria Check" indicates that
a minimum drainage area of five hectares is required for a wet pond.
The two existing ponds should continue to serve the drainage area "D".
There shall be no new development in area "E"; consequently, no new pond shall be
required. On-site controls are being used for the existing development in this area.
Another option for area "A" and "B" is that combining Pond A and Pond B together to
make a bigger pond in area "A". In this case, the existing culvert shall be upgraded to
meet the new capacity.
4.5 Transportation
4.5.1 Road Definitions
The following describes road and street classification and function.
Freeways are controlled access highways providing vehicles traveling at high speeds
over relatively long distances.
Arterial roads are through routes providing transportation across, and within, populated
centers. Access to property is permitted; however, traffic flow is affected by the number
of access points. Typically, development of property adjacent to arterial routes is
undertaken to minimize the impact on traffic flow. Shared access points and controlled
direction of access is encouraged.
Major Collectors convey traffic between arterial roads and local roads, and may be used
to service property.
Minor Collectors provide access and traffic movement between major collectors and
arterials. In residential areas, minor collectors convey traffic to and from a neighborhood
prior to intersecting with streets having a higher classification. Through traffic is not
encouraged.
Local Streets provide access only to each abutting property.
Boundary Roads present the directional limits of travel perpendicular to their orientation,
and can function as any one of the above.
4.5.2 Existing Major Road Network
The major road network is shown on Figure 2.2, and described as follows.
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Highway 400 is a controlled access freeway. It provides a major route of vehicular
transport between Toronto - Barrie - Parry Sound - Sudbury and areas beyond.
Simcoe County Road 93 (Penetanguishene Road) was formerly King's Highway 93. It
provides a connecting route between the City of Barrie and Penetanguishene/Midland. It
runs parallel to Highway 400 south of Craighurst to Barrie and crosses Highway 400 two
kilometers north of the study area. Since it runs parallel to Highway 400, County Road
93 acts as a service road to provide an alternate route when Highway 400 traffic is
diverted or congested, and functions as a major collector road between interchanges.
The County of Simcoe's Official Plan has classified County Road 93 as a primary
arterial road. It has a 30.5 meter Right-of-Way (ROW) throughout most of its length
within and beyond the study area. There is a 150 meter section of ROW immediately
north of County Road 22 that is only 20.0 meters wide. Through the hamlet there is a
pedestrian sidewalk on the west side and east side of the ROW north and south of
County Road 22, respectively.
Simcoe County Road 22 (Horseshoe Valley Road) is an east-west connecting route that
extends from King's Highway 12 just north of Orillia to King's Highway 26. Through the
centre of the hamlet, County Road 22 has a 20.0 meter ROW width and is classified as
a secondary arterial road. East and west of the hamlet, it has a 30.5 meter ROW, and is
classified as a primary arterial road by the Official Plan for Simcoe County.
The intersection of County Rd 93 and County Rd 22 is a signalized two lane
intersection, with left turn lanes for each approach to the intersection. Pedestrian signals
are in place but currently advance green signal phasing is not implemented.
The speed limit through the intersection is posted at 60 km/h.
The intersection and approaches are relatively flat and at right angles with good sight
lines for both stopping and turning. A slight vertical grade up to the intersection for
southbound traffic does not restrict visibility.
Commercial development and some residential development access the intersection
within the length of the left turn lanes interfering with both sight line visibility and
intersection traffic during peak periods.
Overall, both the intersection at County Rd 93 and 22, and the intersection approaches,
are currently operating at a high level of service.
4.5.3 Summary of Traffic Study
A traffic study was completed in support of the Craighurst Secondary Plan. The Study is
included as Appendix B and is summarized below.
The Study assessed future transportation requirements related to development of the
Craighurst area along with future traffic growth on County Roads 22 and 93.
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• Forecasting future traffic volumes for a 20 year horizon by combining existing
traffic with an estimate of the trips that would be generated by the Craighurst
Secondary Plan and Horseshoe Valley Resort area, and considering a range of
growth in background traffic.
• Analyzing traffic operations for the signalized intersection of County Roads
22/93;
• Calculating the exposure index (daily trains X daily traffic) for the County Road
22/CP level rail crossing to determine if there is a need to consider a grade
separation; and
• Reviewing alternative road and traffic control requirements, and identifying a
preferred alterative to address the requirements of the anticipated traffic growth.
The conclusions and recommendations of the Craighurst Secondary Plan Traffic Study
are as follows:
a) Through a comparison of current and historical traffic data, it was found that
there has been relatively little growth in the weekday peak hour traffic volumes at
the County Roads 22/93 intersection in the period 1998 to 2007.
b) Three alternative traffic forecasts for 2027 indicate the potential for substantial
traffic growth (134 to 215 per cent increase over existing) at the County Roads
22/93 intersection and in the County Road 22 corridor through Craighurst. The
Craighurst Secondary Plan area and the Horseshoe Valley Settlement Node
account for approximately one-third and two-thirds, respectively, of the new
development component of traffic growth. Background or through traffic growth
would account for the remainder of the 2027 traffic, and was estimated based on
compound growth rates of one and three per cent per year for alternative
forecast scenarios.
C) The signalized intersection of County Roads 22/93 was found to operate at
acceptable levels of service for each of the alternative traffic forecasts with the
existing lane arrangements. In the future, signal timings and left turn lane
storage requirements would have to be reviewed and modified if necessary to
accommodate traffic increases.
d) A basic two lane cross section on both County Roads 22 and 93 would be
sufficient to accommodate each of the alternative traffic forecasts. Auxiliary turn
lanes and other intersection improvements (e.g., additional traffic signals) should
be provided as determined through subsequent traffic impact studies for
proposed residential or commercial developments. The potential for road
widenings to accommodate individual turning lanes, a centre two-way left turn
lane, an additional through lane, or other facilities (e.g., bike lanes/paths,
pedestrian facilities, etc.) should be protected for by acquiring property (through
the development review process) to increase the road right-of-way where
required. This applies to both County Roads 22 and 93, but primarily to County
Road 22 where the higher traffic demands are expected.
e) Three strategies have been developed to address the safety and delay concerns
at the at-grade County Road 22/CP rail line crossing. The strategies include
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managing and mitigating the effects of the existing train operations, managing
traffic queues, and consideration of the need for a grade separation in the future.
The implementation of the various strategies is subject to monitoring traffic and
development conditions, determining the physical feasibility of a grade
separation, and possibly identifying property requirements and funding
mechanisms to protect and provide for a future grade separation. With lower
traffic volumes on County Road 93 at its crossing of the same CP rail line, it is
seen that the existing rail protection system (flashing lights, bells, and gates)
along with efforts by CP to minimize the duration of blockages are sufficient for
the horizon year considered in this Study.
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5. SCREENING OF ALTERNATIVES
5.1 Introduction
The alternatives developed in Section 3 to address the problem statement are to be
screened with respect to their impact on the physical, social and economic environments
presented in Section 4. The potential environmental effects of the alternatives are listed in
the respective Tables 5.4 to 5.7 and summarized in Table 5.8 at the end of this section:
5.2 Water Supply
5.2.1 Alternative No. 1 - Do Nothing:
Action Required.
• None
Advantages
• No additional construction required.
Disadvantages
• Does not address the problem statement.
The Do Nothing alternative is not viable since upgrades to the existing water supply
system are required to implement the secondary development plan.
5.2.2 Alternative No. 2 -Draw more water from the existing wells:
Action Required.
• Increase the duty hours of the existing water supply pumps
Advantages
• No additional construction and equipment required
• Potential for expansion of supply
Disadvantages
• Supply of water is fixed, based on permit to take water.
This alternative would involve increasing the duty hours of the three duty pumps to draw
additional water from the existing wells. The total combined capacity of the three duty
water supply pumps is 855 M3 /d. The current maximum demand is 233 M3 /d where as
the existing three wells have a current combined capacity of 507 M3 /d. With a combined
permit to draw water @ 523 M3 /d, additional 290 M3 /d of water can be drawn from the
existing wells by increasing the duty hours of the water supply pumps.
5.2.3 Alternative No. 3 - Install additional wells in the lower sand and gravel aquifer:
Action Required.
• Installation of additional wells
• Connection of new well systems to the system at Craighurst estates well system.
Advantages
• Water supply is an existing and secure source
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Disadvantages
• High capital cost because of deeper drilling
This alternative involves installation of two new wells in the lower sand and gravel
aquifer in addition to the existing wells at Craighurst Estates. The lower aquifer is
regionally extensive with an estimated area of more than 1000 ha and potential long
term safe yield of 450,000 m3/yr with a potential of serving 2,740 persons per day @450
Ipcd. This capacity translates to servicing of 913 residential units @ 3 persons per unit,
exceeding the 825 equivalent units required. However, long term 72 hours pump tests
would be required to confirm the potential well production before actual construction.
Wells would need to supply sufficient water to meet maximum day demand.
Moreover the fact that most existing individual wells are completed in the upper sand
and gravel aquifer, the possibility of interference and contamination of lower sand
aquifer is minimal. Thus the lower aquifer offers higher level of security both in terms of
quality as well as quantity. The overall water supply system to support the secondary
plan area would consist of - Water supply facilities, Storage and Water distribution
network.
Water supply facilities
The well water supply facilities would consist of:
• Wells and pumps
• Pump controls, alarms, etc.
• Chlorine Disinfection system
• Oversized piping for chlorine contact upstream of the first water user;
• On-line Chlorine Residual analyzer and sample ports;
• Diesel or Natural Gas Standby Generator for the system capable of maximum
well house power requirements;
• Alarming system connected to existing wireless communication system.
• Treatment for sand, turbidity filters and mineral treatment may be required
depending on water condition.
Storage
Craighurst Estates Water system has current storage capacity of 112 m3 provided by a
below grade reservoir. Installation of new well system for the secondary plan area would
require construction of new storage facility. Water storage is required for disinfection,
contact time, equalization, fire protection and emergency uses.
MOE guidelines require 25% maximum day equalization storage, fire protection for two
hours at 110 Usec, and 25% of the total storage for emergency at the existing storage.
Total storage required for the Secondary Plan area would be:
Fire - 110 Usec for two hours: 792 m3
Equalization - 2,768 M3 /d x 25%: 692 m3
Emergency - @ 25%: 371 m3
Total Storage: 1,855m3
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5.3 Water Storage
5.3.1 Alternative No. 1 - Do Nothing:
Action Required.
• None
Advantages
• No additional construction required.
Disadvantages
• Does not address the problem statement.
The Do Nothing alternative is not viable since the existing storage of 112 m3 would be
inadequate to provide for disinfection contact time, equalization and fire protection
demand to effectively serve Craighurst secondary development area.
5.3.2 Alternative No. 2 - Provide Local Underground Storage:
Action Required.
• Construction of storage tanks at the new well sites
• Connection of new storage tanks to the new well systems and to the well system
at Craighurst estates.
Advantages
• More reliable water supply because of multiple storage locations.
• Phasing of construction of storage tanks is possible
Disadvantages
• Requirement of Booster pump facilities at multiple locations
This option will provide local underground storage at each of the two new well sites.
Water supply from more than one storage source has higher reliability.
Local underground pumped storage consists of a concrete storage reservoir normally
constructed underground, booster pumps for peak hour flows, hydropneumatic tanks for
instantaneous flows, a disinfection system, a fire flow pump and a standby power
generator.
Smaller facilities typically require more pronounced peak flows. Fire protection needs
are not correlated to the size of the service area but are based on suppression needs for
a single fire regardless of service area. For predominantly residential development fire
flows from fire hydrants are expected to be at least 38 L/sec.
The Craighurst Estates water system has about 112 m3 of storage, pumped to the
distribution system. A natural gas generator and fire pump provide 16.6 L/sec fire
protection (219 gpm). Since this storage and fire flow are currently insufficient for
Craighurst Estates, additional storage and fire flow capacity will significantly benefit the
Craighurst Estates residents.
MOE requirements for 110 L/sec reflect fire protection needs for larger non-residential
buildings and multi-residential buildings expected in Communities over 2,000 people. To
provide fire protection to meet MOE guidelines for the Secondary Plan it is proposed
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that 48 L/sec for two hours be provided for both phases in addition to the 16.6 L/sec
available from Craighurst Estates.
Phase 1
Existing Development:
New Phase 1 Development:
Craighurst Fire Flow:
Total Fire Flow:
Fire Flow Storage:
25% Equalization Storage:
Emergency @ 25%:
Total Storage:
Existing Craighurst Estates:
Net Storage Required:
105 Units (equivalent)
400 Units
16.6 L/sec
64.6 L/sec
465 m3
341 m3
202 m3
1,008 m3
112 m3
896 m3
An underground reservoir 16 m x 16 m x 3.7 m will accommodate the Phase 1 storage
requirements in conjunction with Craighurst Estates. Craighurst Estates fire protection
and pressure problems will be improved as well when the Phase 1 water system comes
on line.
Phase 2
Existing Development:
Phase 2 Development:
Fire Flow:
Fire flow Storage:
25% Equalization:
25% Emergency:
Total Required:
105 Units Equivalent
300 Units
48 L/sec
346 m3
273 m3
155 m3
774 m3
An underground reservoir 15 m x 15 m x 3.7 will accommodate the Phase 2 storage
requirements.
The total storage is 1,780 m3 versus 1,855 m3 to provide wells for the total aquifer
recharge ability. Consequently, 4% more storage should be provided at each Well site
(Phase 1 and Phase 2).
Phase l - 935 m3
Phase 2 - 808 m3
5.3.3 Alternative No. 3 - Provide Central Underground Storage:
Action Required.
• Construction of a central storage tank in Craighurst secondary plan area.
• Connection of new storage tank to the new well systems and to the well system
at Craighurst estates.
Advantages
• Less capital cost than construction of multiple storage tanks.
• Requirement of only one booster pump station
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Disadvantages
• Less reliable water supply because of single storage location.
This type of storage requires a booster pumping station to meet pressure needs similar
to local underground pumped storage.
Operation for this storage option will see disinfected well water pumped directly to the
underground central storage facility. Disinfected water will be booster pumped to the
distribution system to meet fire, peak hour and instantaneous peak flows.
5.3.4 Alternative No. 4 - Provide Central Above Grade Storage:
Action Required.
• Construction of a central above grade storage tank in Craighurst secondary plan
area.
• Connection of new storage tank to the new well systems and to the well system
at Craighurst estates.
Advantages
• Potential for lower capital cost than construction of multiple or below ground
storage tanks.
• Requirement of only one booster pump station.
• Capability for low cost expansion by increasing height of the tank.
Disadvantages
• Less reliable water supply because of single storage location.
• Initial cost may be higher than an underground tank
• Ocular pollution
This type of storage requires a booster pumping station to meet pressure needs similar
to central underground pumped storage.
Operation for this storage option will see disinfected well water pumped directly to the
above ground central storage facility. Disinfected water will be booster pumped to the
distribution system to meet fire, peak hour and instantaneous peak flows.
5.3.5 Alternative No. 5 - Provide Central Elevated Storage:
Action Required.
• Construction of an elevated central storage tank in Craighurst secondary plan
area.
• Connection of new storage tank to the new well systems and to the well system
at Craighurst estates.
Advantages
• No booster pumping required
• Better balancing of pressure in the water distribution system
• No requirement of booster pump station
• Lowest operating cost amongst all storage options
Disadvantages
• Highest capital cost amongst all the options.
• Aesthetically the most visible option
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Elevated storage is aesthetically noticeable and can be considered acceptable for
community promotion or unacceptable by other people.
Local storage at the well is not required. If pressurized disinfection contact time is
provided at the well location the disinfected well water can be pumped directly to the
distribution system. The standby generator requirements and costs are much lower for
this option.
5.4 Sewage Collection
5.4.1 Alternative No. 1 - Do Nothing:
Action Required.
• None
Advantages
• No additional construction or installation required.
Disadvantages
• Does not address the problem statement.
The Do Nothing alternative is not viable since implementation of the secondary
development plan is contingent upon adequate sewage collection, treatment and
disposal facility.
5.4.2 Alternative No. 2 - Provide conventional gravity sewers:
Action Required.
• Provision of conventional gravity sewers along with the required sewer
appurtenances
Advantages
• Highly reliable.
• Very little maintenance requirements
• Negligible operational cost
Disadvantages
• High capital cost because of greater excavation, larger diameter sewers and sewer
appurtenances.
• Additional cost because of potential requirement of a sewage pumping station.
• Higher infiltration of groundwater
Topography predominantly dictates the direction of gravity sewer flow. Topography
sloping to the northwest will discharge to a trunk sewer flowing to the sewage plant as
illustrated on Figure 3.2. It is anticipated that the trunk sewer will run along the east or
west side of the CPR.
Typically, pumping is required to lift wastewater to the headworks of a sewage treatment
plant. Sometimes the pumps are located within the plant and sometimes pumping
stations are external. The option of constructing a deep trunk sewer to intercept branch
gravity sewers flowing along each drainage basin or to construct more than one
pumping station with smaller trunk sewers was investigated.
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Figure 3.2 identifies gravity trunk sewers along the west side of the CPR to the Sewage
Treatment Plant. A small Pumping Station is needed for the south portion of
Employment Land east of Highway 400. The remainder of the Secondary Plan is
drained by gravity sewers.
Design should follow MOE and Ontario Provincial Standards. The following criteria
should be used for design of sanitary sewer works within developments.
Single Family Dwellings:
Multi-Family Dwellings:
Commercial Development:
Schools
- Students:
- Full time staff:
Church:
Peak Flows:
Infiltration peak:
Minimum Sewer Size:
Minimum Sewer Service:
Minimum Velocity:
Maximum Slope:
1,000 L/d
800 L/d
5 L/m2
30 L/d per student
50 L/d per person
8 L/d Per seat
Harmon equation
0.1 L/ha/s
200 mm diameter
100 mm diameter
0.8 m/s
8%
5.4.3 Alternative No. 3 - Provide small bore sewers:
Action Required.
• Provision of individual septic tanks for all residential and non residential units in the
Craighurst secondary plan.
• Installation of small bore gravity sewers along with the required sewer
appurtenances
Advantages
• Smaller excavation because of gentler slope requirements
• Low capital cost because of reduced excavation and small diameter sewers
• Reduced load on wastewater treatment plants
• Reduced infiltration of groundwater
• Low operational cost
Disadvantages
• Requirement of individual interceptor/septic tanks for all residential and non
residential units.
• System incapable of carrying any gross solids.
• Frequent monitoring and pumping of the septic tanks.
• Higher maintenance cost than conventional gravity sewer system.
• Additional cost because of requirement of a sewage pumping station.
5.4.4 Alternative No. 4 - Provide pressure sewers:
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Action Required.
• Provision of individual septic tanks for all residential and non residential units in the
Craighurst secondary plan.
• Provision of septic tank effluent pumps and small bore sewers pipes.
Advantages
• Flexibility in sewer network layout because of independence strict alignment and
slope restrictions as in gravity sewers
• Relatively small cost without damage to existing structures.
• Significantly lower material and trenching costs because of reduced pipe size and
depth requirements.
• Reduced infiltration of groundwater
• Reduced organic load on wastewater treatment plant
• Low operational cost
Disadvantages
• Frequent blockages and maintenance problems
• High operation and maintenance cost.
• Higher life cycle replacement costs because lower life expectancy than conventional
systems.
• Potential odors and corrosion problems because of usually septic condition of
wastewater in the collection sewers.
5.5 Sewage Treatment and Disposal
5.5.1 Alternative No. 1 - Do Nothing:
Action Required.
• None
Advantages
• No additional construction or installation required.
Disadvantages
• Does not address the problem statement.
The Do Nothing alternative is not viable since implementation of the secondary
development plan is contingent upon adequate sewage disposal facility.
5.5.2 Alternative No. 2 - Subsurface disposal using individual septic systems
Action Required.
• Install individual on-site tile bed sewage treatment systems for subsurface disposal
Advantages
• Decentralized easy to manage small sewage treatment systems
• No centralized sewage collection system required
Disadvantages
• Insufficient treatment and potential contamination of potable groundwater aquifer.
• Substantially reduced development density within the Secondary Plan area.
This alternative would involve construction of individual on-site tile bed sewage
treatment systems for subsurface disposal. An individual treatment system would
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consist of septic tank followed by a tile bed for treatment/infiltration of the settled effluent
into the ground.
Applicability of these systems would be based on reasonable land use criteria
recommended by MOE with regards to Nitrate concentration in groundwater adjacent to
the effluent disposal site. Groundwater flow adjacent to wetland areas west and north of
the Study Area has an upward hydraulic gradient. This presents a hydraulic boundary to
effluent plume dispersion in groundwater, and is therefore, the limit of application of
MOE Policy B- 7 of reasonable use. This changes the criteria used to establish level of
impact. In effect, the only constraint to subsurface sewage disposal becomes the ability
of the soils adjacent to the wetland to accept the hydraulic loads, and the potential
impact subsurface discharge will have with respect to stream water quality.
5.5.3 Alternative No. 3 - Subsurface disposal using communal Sewage treatment plant
Action Required.
• Installation of sanitary sewer system
• Construction and installation of a new communal sewage treatment plant.
Advantages
• Low capital cost because of simplicity of system
Disadvantages
• Potentially insufficient sewage treatment to meet subsurface disposal standards
This alternative would require construction of a sanitary sewer system and a communal
Sewage treatment plant for subsurface disposal of treated effluent. There are several
treatment processes including but not limited to the following three options that could
potentially be used for sewage treatment for subsurface disposal.
• Peat/biofilters
• Recirculation sand filters
• Large communal tile beds
Disposal
So far as subsurface disposal of treated affluent from any of these treatment systems is
concerned, there are two possible scenarios based on whether or not the effluent plume
is hydraulically isolated from the drinking groundwater aquifer. Given below is a brief
description of disposal criteria for both scenarios.
Subsurface Disposal -without hydraulic isolation
MOE Policy B-7 (Reasonable Use) is applied to measure the impact of development
proposals supported by subsurface sewage systems serving five or more residential
units, or large subsurface sewage disposal systems that discharge more than 10,000
L/d effluent. The Policy is applied where it cannot be demonstrated that the effluent
plume is hydraulically isolated from sources of groundwater supply.
Nitrate (N), which is converted from ammonia (NH4) found in domestic sewage, is used
to measure groundwater impact potential.
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The Reasonable Use calculation for nitrate, taking into consideration a natural
background nitrate concentration of 0.4 mg/L, is as follows:
Cm = Cb + X(Cr - Cb), where
Cb = natural background concentration in upper sand aquifer (see Table 7)
C, = Ontario Drinking Water Objective = 10.0 mg/L-N
x = ratio for health parameters to ensure negligible effect on groundwater use = 0.25
Cm = maximum acceptable concentration beneath adjacent property
Cm = 0.4 mg/L + 0.25(10 mg/L - 0.4 mg/L) = 2.8 mg/L
The concentration of nitrate in groundwater that can be permitted at the down gradient
property boundary is:
Cw = Cm - Cb = 2.8 mg/L .0.4 mg/L = 2.4 mg/L (N)
Guidelines suggest using a nitrate (N) concentration in septic tank effluent of 40 mg/L-
N, and an average daily flow rate of 1,000 L/day, when evaluating the impact on
groundwater by sewage produced by a single family dwelling.
When nitrate attenuation is assessed, only that which occurs by dilution is considered.
The amount of water available for dilution is equal to the annual infiltration rate of 250
mm.
In applying Policy B-7, the density of development permitted on subsurface sewage
disposal (without regard to hydraulic performance capabilities) is estimated as follows:
= effluent concentration
available dilution
or Cw = Ce(#units)(1000L/d/unit)(365d/yr)
[250mm/yr/ha + units(1,000L/d/unit)](365d/yr)
which is simplified to,
Cw = concentration of nitrate permitted = 2.4 mg/L
Ce = concentration of nitrate in effluent
(varies depending on level of treatment)
Table 5.1 below establishes the density of development (residential units per hectare at
3 persons/unit) assuming a municipal sewage system with subsurface disposal, and the
effluent plume not isolated from a groundwater supply aquifer.
Table 5.1
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Development Density
Subsurface Sewage Disposal - Municipal Facility with Potential
Groundwater Impact
Treatment System
% Nitrate
Nitrate in
Units/ha -
reduction
effluent
catchment area
Convention Septic Tank
0%
40 mg/L
0.4(')
Peat Filter Beds
50%
20 mg/L
0.90)
Recirculation Sand
25%
30 mg/L
0.6(')
Filters
(1) The total number of units will also be a function of the total area available for attenuation by
dilution (catchment area). The land area dedicated for attenuation could conceivably include the
settlement area of Craighurst, and areas outside the designated settlement area.
As seen, the number of units permitted per hectare varies with the level of treatment
provided.
Subsurface Disposal -Communal System with Hydraulic Isolation
In the case that the demonstrated effluent plume is hydraulically isolated from potential
supply aquifers, then Policy B-7 is satisfied. This situation typically occurs where there is
a hydraulic boundary to groundwater flow immediately downgradient of the location of
subsurface sewage disposal. The background information collected to date suggests
the wetlands west and north of the Study Area present a hydraulic boundary to
groundwater flow. Further, there is an upward hydraulic gradient in the direction of
groundwater flow adjacent to the wetlands. It may be possible to demonstrate that the
effluent plume discharge from a communal sewage system utilizing subsurface disposal
is hydraulically isolated from groundwater supply aquifers if the distribution area is
located on Concession 1 W PR somewhere between Lots 41 and 46, or on Lot 44,
Concession 1 EPR.
Should this situation exist, then the discharge of the final effluent via the subsurface will
occur to the adjacent wetlands and eventually to Matheson Creek.
Tertiary treatment of effluent would occur naturally by:
1. Filtering effluent through the overburden soils.
2. Uptake by wetland vegetation at the point of effluent discharge to surface.
Under the Water Resources Act, the Ministry of Environment applies Policies 1 and 2 of
the Provincial Water Quality Objectives as they relate to surface water quality
degradation resulting from the discharge of effluent. It must be demonstrated through an
analysis of the assimilative capacity of the receiving watercourse, that these policies are
met.
Policy 1 states that where upstream surface water quality is below the PWQO
concentration, water quality cannot be degraded to worse than the PWQO concentration
at the downstream compliance limit.
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Policy 2 states that where upstream surface water quality is equal to or above the
PWQO concentration, it cannot be degraded further at the downstream compliance
limit.)
In the case of surface water discharge - whether directly or via subsurface flow -
phosphorous replaces nitrate as the parameter of concern within sewage effluent. The
PWQO for total phosphorous is 0.03 mg/L. For impact assessment, a concentration of
15 mg/L (P) phosphorous in sewage effluent is used. Phosphorous attenuation occurs
naturally in the soil, and by dilution. Sewage treatment systems are also capable of
reducing the concentration of phosphorous.
The natural retention capacity of the native soil media beneath the subsurface
distribution system, and between the distribution system and the point of discharge to
the surface must be measured to determine the attenuation capacity of the soil.
In all likelihood, the size of development which could be supported by a communal
sewage system utilizing subsurface disposal located in the hydrologic setting described
will be dictated by the hydraulic capabilities of the overburden that must accept sewage
flows rather than phosphorous attenuation.
5.5.4 Alternative No. 4 - Subsurface/Surface disposal using conventional wastewater
treatment:
Action Required.
• Installation of sanitary sewer system
• Construction and installation of a new communal sewage treatment plant.
Advantages
• Potentially adequate treatment for subsurface disposal
Disadvantages
• High capital cost and operational and maintenance cost
This alternative would require construction of a sanitary sewer system and a
conventional sewage treatment plant for subsurface or surface disposal of treated
effluent. There are several treatment processes including but not limited to the following
three options that could potentially be used for sewage treatment for subsurface or
surface disposal of treated effluent.
• Activated sludge process with denitrification
• Sequential batch reactors (SBR) with denitrification
• Rotating Biological Contactors (RBC) with denitrification
The criteria for the provision of a communal sanitary sewer system are already
explained in the section 3.2.4.4 - Alternative 4.
Disposal
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The disposal treated effluent in this option could be either surface or subsurface. Given
below is a brief description of both alternatives.
Subsurface disposal
As previously discussed there are two possible subsurface disposal scenarios based on
whether or not the effluent plume is hydraulically isolated from the drinking groundwater
aquifer.
Subsurface disposal without hydraulic isolation
Based on effluent nitrate concentration, Ce of 3 mg/L from one of the above mentioned
systems and the maximum permitted concentration of nitrates, Cw as 2.4 mg/L, the
density of development permitted on subsurface sewage disposal is 6.3 units/ha, if only
the Secondary Plan Study Area is used in the dilution calculation (See section 3.2.2.3).
This means that a conventional wastewater treatment system with subsurface disposal
is capable of supporting a population of up to 780 units, or 2,340 people.
Subsurface disposal with hydraulic isolation
If it is possible to demonstrate that the effluent plume discharge from a communal
sewage system utilizing subsurface disposal is hydraulically isolated from groundwater
supply aquifers then the discharge of sewage via the subsurface will occur to the
adjacent wetlands and eventually to Matheson Creek.
Tertiary treatment of effluent would occur naturally by filtering effluent through the
overburden soils and uptake by wetland vegetation at the point of effluent discharge to
surface
In this case, as the effluent is ultimately disposed into a watercourse, phosphorous
replaces nitrate as the parameter of concern within sewage effluent. The PWQO for
total phosphorous is 0.03 mg/L. Since the conventional sewage treatment systems
remove phosphorus biologically as well as chemically, a concentration of 2 mg/L (P)
phosphorous in sewage effluent is typically used for impact assessment. Phosphorous
attenuation occurs naturally in the soil, and by dilution.
The natural retention capacity of the native soil media beneath the subsurface
distribution system, and between the distribution system and the point of discharge to
the surface must be measured to determine the attenuation capacity of the soil.
In all likelihood, the size of development which could be supported by a communal
sewage treatment system utilizing subsurface disposal located in the hydrologic setting
described will be dictated by the hydraulic capabilities of the overburden that must
accept sewage flows rather than phosphorous attenuation
Surface disposal
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The capacity of Matheson Creek, or Craig's Swamp, to receive sewage can be
established by applying PWQO Policy I with respect to total phosphorous.
PWQO Policy 1 permits degradation in surface water quality with respect to
phosphorous to 0.02 mg/L. The background concentration of total phosphorous in
Matheson Creek at Craig's Swamp was measured in April, 2000 to be less than the
laboratory detection limit of 0.01 mg/L. Therefore, an increase in phosphorous
concentration of 0.02 mg/L would satisfy PWQO Policy.
Using a stream flow of 150 US (approximate springtime flow of Matheson Creek at
Highway 400), and an allowable surface water phosphorous concentration of 0.02 mg/L,
the equivalent daily allowable loading of phosphorous would be 259,200 mg/d.
Assuming a source phosphorus concentration of 15 mg/L and a daily flow of 1,000 L per
dwelling, daily phosphorus loading per dwelling is 15,000 mg/d. The number of units
that could be supported with a treatment facility capable getting effluent phosphorous to
2 mg/L, and a receiving stream flow of 150 L/s, would support approximately 130 single
family residential units. A biological membrane plant with 98% removal to discharge a
maximum of 0.3 mg/L phosphorous results in 864 residential units served.
The capacity of Matheson Creek, or Craig's Swamp, to receive sewage is limited by the
application of PWQO Policy I with respect to phosphorous. The above calculated
allowable surface water concentration and resulting phosphorous loading, and resultant
number of residential units was based on an approximate stream flow. Lower flow in the
stream may require lower phosphorous discharge limits, either through a reduced
number of units or a sewage treatment process with demonstrated phosphorus removal
to below 0.3 mg/L.
The Assimilative Capacity Study (2006) identified the Matheson Creek, and
consequently the Willow Creek subwatershed as unimpaired and also the water
currently meets PWQO. Therefore, any new effluent discharge would be restricted to
maintain the unimpaired level of water quality within the receiving watercourse.
5.5.5 Alternative No. 5 - Surface disposal using advanced wastewater treatment
Action Required.
• Installation of sanitary sewer system
• Construction and installation of a new communal sewage treatment plant.
Advantages
• Potentially adequate treatment for surface disposal
Disadvantages
• High capital cost and operational and maintenance cost
This alternative would require construction of a sanitary sewer system and membrane
bioreactors based advanced sewage treatment plant for surface disposal of treated
effluent.
The applicability of this option would be guided by the impact of treated effluent on
phosphorus concentration in receiving watercourse, and the provincial water quality
objective of a maximum phosphorus concentration of 0.02 mg/L in surfacewater.
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Assuming a source concentration of 15 mg/L (P) and a daily flow of 1,000 L per
dwelling, or a daily loading of 15,000 mg/d (P) per dwelling, the number of residential
units that could be supported with a typical biological membrane plant is 864. The plant
would be required to provide 98% phosphorus removal and a maximum effluent P
concentration of 0.3 mg/L,
The capacity of Matheson Creek, or Craig's Swamp, to receive sewage is limited by the
application of PWQO Policy I with respect to total phosphorous. The Assimilative
Capacity Study (2006) identified the Matheson Creek, and consequently the Willow
Creek subwatershed as unimpaired, and the water also meets PWQO. Therefore, any
discharge from a treatment plant would have to be limited to maintain these criteria
within the creek and subwatershed.
5.6 Stormwater Management
5.6.1 Alternative No. 1 - Do Nothing
Action Required.
• None
Advantages
• No additional measures required.
Disadvantages
• Does not address the problem statement.
The Do Nothing alternative is not viable since implementation of the secondary
development plan is contingent upon adequate stormwater management.
5.6.2 Alternative No. 2 - Follow best management practice
Action Required.
• Take all possible measures to minimize run off and provide infiltration swales,
ditches and perforated storm pipes.
Advantages
• Effective management of stormwater post secondary development ensuring
increased infiltration, reduced post-development peak flow and erosion, and
enhanced water quality.
• Lower capital cost than storm water management facilities
Disadvantages
• Inadequate storage of stormwater leading to potentially insufficient recharge of
groundwater.
Best management practice for stormwater management involves taking measures that
increase infiltration, reduce post-development peak flow and erosion, and enhance
water quality. Given below is a brief description of the measures to be taken for best
management of stormwater.
5.6.2.1 Source and Conveyance Controls
• Promotion of Infiltration measures to achieve sufficient pre-treatment of stormwater
runoff. For example, roof leaders should discharge to pervious grassed areas or
UH
Township of Oro-Medonte 57
Craighurst Secondary Development Plan
Environmental Study Report
soak away pits. No direct connection of roof leaders to the storm sewer system
shall be permitted.
• Provision of grassed swales in place of curb and gutter along road within
depressions.
• Reduced lot grading to minimize runoff and allow stormwater ponding for natural
infiltration.
• Sump pumping of foundation drains to rear yard ponding areas.
• Utilization of vegetated buffer strips where practical especially alongside roadways
in the vicinity of stream crossings to protect the watercourse.
• Storm sewers where required off paved roadways should be geotextile wrapped
perforated pipe with granular backfill.
• Minimization of use of curb, gutter and storm sewer to encourage infiltration of
stormwater as per Best Management Practices.
• Provision of wet extended detention ponds with infiltration basins for frequent
runoff events (i.e. <5 yr storm).
• Provision of detention storage ponds for infrequent rainfall events (2 - 100 years
storm pre/post control).
5.6.2.2 Post Development Stormwater Management
Post development peak flows for the Planning Area should be controlled to the pre-
development levels or less for all storms up to and including the 100 year rainfall event.
SWMHYMO, a computer stormwater management hydrologic model, was utilized to
compute the peak runoff flows for the six existing drainage basin areas.
Table 5.2 provides a summary of the 2, 5, 25, and 100 year SCS 24 hour design storm
and Regional Storm (Timmins Storm) event peak flows.
Post development peak flows are to be modeled in detail at the functional servicing plan
stages, or when the development density is clearly identified.
Table 5.2
Pre-Development Peak Flows (m /s)
Storm Event
Basin 1
Basin 2
Basin 3
Basin 4
Basin 5
Basin 6
2 yr. SCS
0.04
0.03
0.77
0.67
0.03
0.03
5 yr. SCS
0.34
0.26
1.19
1.05
0.24
0.16
25 yr. SCS
1.45
1.06
1.68
1.44
0.92
0.63
100 yr. SCS
2.95
2.15
2.26
1.92
1.86
1.30
Timmins
9.60
7.25
2.96
2.63
9.21
6.63
5.6.2.3 Erosion and sediment control during construction
1
Township of Oro-Medonte 58
Craighurst Secondary Development Plan
Environmental Study Report
In order to prevent the migration of silt downstream, it is important that sediment and
erosion control strategy plans be prepared prior to constructions. The following are
some of sediment and erosion measures which should be considered for
implementation:
• Provide detailed construction work plan and staging schedule
• Install site access pad
• Construct rock check dams
• Divert runoff from exposed areas
• Construct silt fencing
• Stabilize exposed areas with topsoil and seed immediately after construction
• Regularly inspect erosion and sediment control and restore works where required
• Based on NVCA Technical Standards for Stormwater Management, during the
grading and construction phases, temporary stormwater sediment ponds or traps
must be constructed, maintained and operated throughout the construction period.
Temporary stormwater sediment ponds should be sized to detain the runoff from a
25 year 6 hour duration rainfall event by using average intensity, with a permanent
pool of 0.6 meter in depth. All other temporary sediment control techniques should
be designed to withstand the runoff from a 25 year 6 hour duration rainfall event by
using peak intensity.
5.6.3 Alternative No. 3 - Provide stormwater management facilities
Action Required.
• Provide stormwater management facilities including - stormwater management
ponds, curbs, gutters, sewers, manholes catch basins etc.
Advantages
• Sufficient storage for effective infiltration of stormwater and recharge of
groundwater.
• Higher level of reliability against peak rainfall and storm events.
Disadvantages
• Higher capital costs in comparison to best management practice option
Each pond shall provide "enhanced" or Level 1 quality protection per Table 3.2 of the
"Stormwater Management Planning and Design Manual" (MOE, 2003). Permanent pool
storage volumes are to be based on impervious ratio and drainage area.
Table 5.3 summarizes the storage volumes for each drainage basin pond. The volumes
are preliminary, actual volumes should be obtained through detailed hydrologic model
undertaken at the functional servicing plan, or detailed design stages.
Township of Oro-Medonte 59
Craighurst Secondary Development Plan
Environmental Study Report
Table 5.3
Stormwater Pond/Basin Storage Volumes
Pre-Development Peak Flows (m3/s)
Active
Total
Development
Drainage
o
Permanent
Storage
t~~
Volume
Area
Area
Percent
/o Runoff
Pool
(ms)
P
d/B
i
h
Impervious
Coefficient
3
on
as
n
(
a)
m /h
3
3
3
a
n~
m
m
A
9.54
60
0.6
162
1545
5500
7045
B
15.84
45
0.4
125
1980
6100
8080
C
24.71
45
0.4
125
3090
9500
12590
F
25.00
45
0.4
125
3125
9700
12825
G
42.92
45
0.4
125
5365
16600
21965
H
3.18
45
0.4
27.5
90
1200
1290
4. Active storage volumes are calculated based on Orillia OF SCS 100 year storm event having a 24 hour rainfall
volume of 120.68 mm, and that the volume of runoff retained in active storage is 80% of total 100 year storm
rainfall.
The active storages shall include extended detention storage for erosion control, and
quantity control storage for each design storm (2 to 100 year).
An infiltration basin or dry pond shall serve the drainage area "H", because the area
shall be too small to sustain a wet pond. NVCA "Wet Pond Criteria Check" indicates that
a minimum drainage area of five hectares is required for a wet pond.
The two existing ponds should continue to serve the drainage area "D".
There shall be no new development in area "E"; consequently, no new pond shall be
required. On-site controls are being used for the existing development in this area.
Another option for area "A" and "B" is that combining Pond A and Pond B together to
make a bigger pond in area "A". In this case, the existing culvert shall be upgraded to
meet the new capacity.
The preferred location of stormwater management ponds, and corresponding catchment
areas, within the Secondary Planning Area are shown on Drawing 3.3.
Pond sites were selected based on the following criteria:
• Locations that would facilitate inter-basin drainage where feasible.
• Upstream of existing drainage culverts crossing Hwy 93 and the CPR thus avoiding
expensive culvert enlargements.
`J1
Township of Oro-Medonte 60
Craighurst Secondary Development Plan
Environmental Study Report
• At the most downstream location within the Secondary Plan Area.
• Locations that also capture drainage from existing lots in addition to new
development.
5.6.3.1 SWMF design criteria
Based on NVCA "Wet Pond Criteria Check", stormwater management pond design
standards would include the following:
Sediment Forebay:
- Minimum length to width ratio of 2:1 if single inlet
- Minimum depth of 1.0 meter
- Minimum area of 1/3 total pond surface area
Wet Pond.
- Minimum length to width ratio of 3:1, 4:1 to 5:1 preferred
- Maximum side slope of 3:1
Permanent Pool:
- Average depth of 1 to 2 meters
- Maximum depth of less than 3 meters
- Maximum grade of 5:1, 7:1 preferred
Storage Depth:
- <1.5 m for quality/erosion control, 5 1.0 m preferred
- <2.0 meters for active storage
Major Flow Outlet:
- Regulatory Storm (Timmins Storm) capacity
- Erosion protection for all design storms
- 0.3 meter minimum freeboard
Maintenance access
Apart form the above, a 30 meters setback from centerline of the watercourse should be
maintained.
5.7 Transportation
5.7.1 Alternative No. 1 - Do Nothing
Action Required.
• None
Advantages
• No additional construction or installation required.
Disadvantages
• Does not address the future post secondary development traffic growth.
The Do Nothing alternative is not viable since it does not address the traffic growth
caused by implementation of the secondary development plan.
Township of Oro-Medonte 61
Craighurst Secondary Development Plan
Environmental Study Report
5.7.2 Alternative No. 2 - Upgrade the road network to suit the requirement of secondary
plan
Action Required.
• Upgrade of arterial and collector roads network
Advantages
• Accommodates the post secondary development future growth.
Disadvantages
• High capital costs involved in construction/widening of roads upgrades of related
infrastructure.
Upgrades to the existing the road network system would involve implementing
recommendations of the Craighurst Secondary Plan Traffic Study, included as Appendix
B.
5.8 Potential Mitigative Measures
i) Disruption to Trees and Vegetation
If a new location for a pumping station is required during the detailed design stage
of the project either a site with limited tree cover or the location of structures to
minimize the impact on existing trees would be used. New watermains or
transmission watermains would be run within existing road right-of-ways which
generally have few trees. If significant trees are encountered then directional
drilling could be used to avoid cutting established root systems.
ii) Visibility of Pumping Station
Construction of a new pumping station and reservoir, either on the existing site or
in a new location, would take into account neighbouring architecture. Architectural
and landscaping details can be used to minimize the ocular impact of above grade
structures. Location and construction of a facility will also take into account natural
vegetative and topographical features to minimize visibility
iii) Noise and Dust
All construction activities will temporarily generate noise and dust. The effect of
dust can be minimized during construction by spreading calcium chloride and
water on exposed dry granular bases.
Construction activities would generally be limited to normal weekday working hours
minimizing the impact of noise on residents.
iv) Disruption of Utilities
All stakes-outs are to be arranged and hand digging techniques are to be
employed when constructing services over or under existing utilities to minimize
the potential disruption of utilities during construction. Construction may require
utility relocations.
T1H
Township of Oro-Medonte 62
Craighurst Secondary Development Plan
Environmental Study Report
6. PUBLIC CONSULTATION
6.1 Introduction
6.2 Results of Public Consultation
6.3 Major Areas of Concern
6.3.1 Costs of Services
6.3.2 Environmental Concerns
6.3.3 Location of the Water and Sewage Treatment Facilities
0
Township of Oro-Medonte 63
Craighurst Secondary Development Plan
Environmental Study Report
7. SELECTION OF PREFERRED ALTERNATIVE
The selection of a preferred alternative for Phase II of the Class EA is based on the
evaluation of the alternatives from criteria established for this document. The criteria for
evaluating each alternative are presented in Tables 5.4 to 5.8. The evaluation criteria
are ranked based on their relative importance, and scored according to the individual
effect to determine the net effect of each criteria. The total environmental effect is the
sum of the net effects for each alternative.
7.1 Water Supply
Alternative 3 - Install additional wells in the lower sand and gravel aquifer, was selected
as a preferred alternative.
7.2 Sewage Disposal
Alternative 4 - Subsurface disposal using conventional wastewater treatment, was
selected as a preferred alternative:
7.3 Stormwater Management
Alternative 2 - Follow best management practice, was selected as a preferred
alternative. However, Alternative 3 may be required depending on specific design of the
development, suitability of terrain and soils, protection of downstream properties, and
requirements of the NVCA.
7.4 Transportation
Alternative 2 - Upgrade the road network to suit the requirement of secondary plan, was
selected as a preferred alternative.
The above alternatives were selected as the preferred alternatives for the following
reasons:
• All of them addressed their respective problem statements;
• Had highest scores for impacts on the physical and social effects; and
• Had overall lowest economic impact.
8. ALTERNATE DESIGN CONCEPTS FOR THE PREFERRED SOLUTION
9. SELECTED DESIGN AND CONSTRUCTION REQUIREMENTS
10. SUMMARY
D. Timms, P. Eng.
Branch Manager
K:\0030637\Craighurst SP-ESR April 07.doc
R. Groves,
Senior Project Manager
APPENDIX A
MUNICIPAL CLASS EA FLOWCHART
APPENDIX B
Traffic Study
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Table 5.4
WATER SUPPLY
-2 = Negative Impact +2 = Positive Impact
EVALUATION
1 = Moderate Negative Impact +1 = Moderate Positive Impact
CRITERIA
0 = No Effect
EVALUATION
ALTERNATIVE 1
ALTERNATIVE 2
ALTERNATIVE 3
ALTERNATIVE 4
IMPACT
DRAW MORE WATER FROM THE
IMPACT
ADDITIONAL WELLS IN THE LOWER
IMPACT
ADDITIONAL WELLS IN THE UPPER
IMPACT
CRITERIA
DO NOTHING
EXISTING WELLS
SAND AND GRAVEL AQUIFER
SAND AND GRAVEL AQUIFER
Natural Environment
Groundwater
No Effect
Additional groundwater usage
Additional groundwater usage
May lower shallow water table in some areas
0
-1
-2
Soils & Geology
No Effect
No Effect
No Effect
No Effect
0
0
0
0
Surface Drainage
No Effect
No Effect
No Effect
May dry existing wet areas
0
0
0
-1
Terrestrial Vegetation and
No Effect
No Effect
No Effect
No Effect
Wildlife
0
0
0
0
Social
Change in quality of life
No Effect
Only minor additional development possible
Will provide future capacity for development
Insufficient long term supply for ultimate
0
1
2
development
-1
Visual aesthetics
No Effect
No Effect
Minor visual effect
Elevated central storage tank
0
0
0
0
Water Supply
No Effect
Increase in water supply but insufficient for
Sufficient for development
Insufficient long term supply for ultimate
0
development
-1
2
development
-1
Odor
No Effect
No Effect
No Effect
No Effect
0
0
0
0
Residential disruption
N/A
No Effect
Temporary disruption
Temporary disruption
during construction
0
0
-1
-1
Economic
Capital costs
No Effect
Small capital cost
Highest capital cost because of deeper
High capital cost because of drilling
0
0
drilling
-1
-1
Operating/maintenance
No Effect
Minor operational cost increase
Operating and maintaining additional wells
Operating and maintaining additional wells
costs
0
0
_1
plus monitoring for contamination due to
-2
shallow aquifer
Ease of servicing
No additional development
Supply of water is fixed, based on permit to
Development servicing possible
Development serving possible but insufficient
development
-2
take water
-1
2
for ultimate development
1
Property values
Undeveloped land value decreases
Minor property value increase
Increase in value because of development
2
Some property not developable because of
1
-1
1
potential
limited water supply
Technical
Complexity of Operation
No Effect
No additional construction and equipment
Minor increase in operation complexity due to
Minor increase in operation complexity due to
0
required
0
additional wells
-1
additional wells
-1
Expansion Capabilities
No development possible
Potential for expansion of supply
Potential for expansion of supply
Potential for expansion of supply but not for all
-2
-2
2
development
1
Effects on other utilities,
No Effect
No Effect
Minor effect for installation of watermains
Minor effect for installation of watermains
ex. Relocations
0
0
-1
-1
TOTAL
5
3
4
-8
Table 5.5
WATER STORAGE
EVALUATION
-2 = Negative Impact +2 = Positive Impact 0 = No Effect
1 = Moderate Negative Impact +1 = Moderate Positive Impact
CRITERIA
ALTERNATIVE 2
ALTERNATIVE 3
ALTERNATIVE 4
ALTERNATIVE 3
EVALUATION
ALTERNATIVE 1
PROVIDE CENTRAL UNDERGROUND
PROVIDE CENTRAL ABOVE
PROVIDE CENTRAL ELEVATED
CRITERIA
DO NOTHING
IMPACT
PROVIDE LOCAL UNDERGROUND
IMPACT
STORAGE FOR THE NEW
IMPACT
GROUND STORAGE FOR THE NEW
IMPACT
STORAGE FOR THE NEW
IMPACT
STORAGE AT ALL NEW SITES
DEVELOPMENT
DEVELOPMENT
DEVELOPMENT
Natural Environment
Groundwater
No Effect
No Effect
No Effect
No Effect
No Effect
0
0
0
0
0
Soils & Geology
No Effect
Minor disruption
Minor disruption
Minor disruption
Minor disruption
0
-1
-1
0
-1
Surface Drainage
No Effect
Minor disruption
Minor disruption
Minor disruption
Minor disruption
0
-1
-1
-1
-1
Terrestrial Vegetation and
No Effect
Disruption at all sites
Minor disruption
Minor disruption
Minor disruption
Wildlife
0
-2
-1
-1
-1
Social
Change in quality of life
No Effect
Will provide fire flow
Will provide fire flow
Will provide fire flow
Will provide fire flow
0
2
2
2
2
Visual aesthetics
No Effect
Limited to clearing of trees
Limited to clearing of trees at one location
Visible
The most visible option
0
1
0
1
2
Water Supply
No Effect
More reliable water supply because of
Reliable water supply because of storage
Reliable water supply because of storage
Most reliable water supply because of
0
multiple storage locations
1
1
1
elevated storage
2
Odor
No Effect
No Effect
No Effect
No Effect
No Effect
0
0
0
0
0
Residential disruption
No Effect
Construction at multiple locations
Construction at one location
Construction at one location
Construction at one location
during construction
0
-2
-i
1
1
Capital costs
No Effect
High cost because of multiple sites
Lower capital cost than construction of multiple
Lower capital cost than construction of
Highest capital cost
0
-2
storage tanks
-1
multiple storage tanks. Lowest cost for
-1
-2
upgrading
Operating/maintenance
No Effect
Requirement of booster pump facilities at
Localized facility
Localized facility
Lowest operating cost amongst option
2
costs
0
multiple locations
2
1
1
Ease of servicing
No Effect
Supply of water is fixed, based on permit to
1
1
No booster pumping is required
1
development
0
take water
-1
-
Property values
Decrease because no
Lower than other options because of
Increase because of low visual impact
Property values may decrease adjacent to
Property values may decrease adjacent
development possible
-2
multiple locations
-1
2
storage
-1
to storage
-2
Table 5.6
SEWAGE COLLECTION
-2 = Negative Impact +2 = Positive Impact 0 = No Effect
EVALUATION CRITERIA
-1 = Moderate Negative Impact +1 = Moderate Positive Impact
ALTERNATIVE 2
EVALUATION CRITERIA
ALTERNATIVE 1
IMPACT
CONVENTIONAL GRAVITY
IMPACT
ALTERNATIVE 3
IMPACT
ALTERNATIVE 4
IMPACT
DO NOTHING
SEWERS
SMALL ORE SEWERS
PRESSURE SEWERS
Natural Environment
Groundwater
Possible shallow groundwater
Could cause movement of shallow
Limited impact on groundwater and
Limited impact on groundwater and
contamination due to septics
-1
groundwater through bedding
-2
groundwater movement
-1
groundwater movement
-1
Soils $ Geology
No Effect
Mixing of soils
Mixing of soils
Mixing of soils
O
1
1
1
Surface Drainage
No Effect
No Effect
No Effect
No Effect
0
O
O
g
Terrestrial Vegetation and
No Effect
Minor clearing required for installation
Minor clearing required for installation in
Minor clearing required for installation
Wildlife
in easements
"1
easements
-1
in easements
"1
Social
Change in quality of life
No Effect
No need to deal with private disposal
No need to deal with private disposal
No need to deal with private disposal
O
2
2
2
Visual aesthetics
No Effect
No Effect
No Effect
No Effect
O
Q
0
O
Odour
Existing septic systems can produce
Removes potential odour from septic
Septic tanks can produce odours
Removes potential odour from septic
odour
"1
systems
1
-1
systems
1
Residential disruption during
No Effect
Temporary disruption
Temporary disruption
Temporary disruption plus installation
construction
0
-1
-1
in house
"2
Economic
Capital costs
No Effect
Moderate cost for excavation and
High cost due to individual septic tanks
High cost due to multiple pumps
0
connection
-1
plus sewers
-2
-2
Operating/maintenance costs
No Effect
Low maintenance and operating costs
High cost due to individual septic tanks
High cost due to multiple pumps
0
2
-1
-2
Ease of servicing development
No Effect
Moderate due to need for continuous
Moderate due to need for continuous
Changing grades a minor problem,
downgrade, pumping stations may be
downgrade, pumping stations may be
sizing of pipes significant to maintain
0
required
-1
required
-1
minimum velocity prior to full
-1
development
Property values
No Effect
Increase, conventional system
Less desirable because not
1
Less desirable because not
1
0
2
conventional system
conventional system
Technical
Complexity of Operation
No Effect
Simplest operation
Requires maintenance
Most complex operation
0
2
1
2
Expansion Capabilities
No development possible
Straight forward, depending on grades
Requires acceptable grading plus
Simple but requires installation of
-2
1
installation of septic tanks
"1
pumps
"1
Effects on other utilities, ex.
No Effect
Requires coordination
Requires coordination for sewers plus
Requires coordination
Relocations
0
-1
septic tanks
-2
-1
TOTAL
-4
2
-10
-10
Table 5.7
SEWAGE TREATMENT
EVALUATION
-2 = Negative Impact +2 = Positive Impact 0 = No Effect
CRITERIA
-1 = Moderate Negative Impact +1 = Moderate Positive Impact
ALTERNATIVE 4
ALTERNATIVE 5
ALTERNATIVE 1
ALTERNATIVE 2
ALTERNATIVE 3
EVALUATION CRITERIA
DO NOTHING
IMPACT
INDIVIDUAL SEPTIC
IMPACT
COMMUNAL SEPTIC DISPOSAL
IMPACT
SUBSURFACE DISPOSAL WITH
IMPACT
SURFACE DISPOSAL WITH
IMPACT
COMMUNAL TREATMENT
COMMUNAL TREATMENT
Natural Environment
Groundwater
Existing septics can contaminate
Increased nitrogen, greater potential for
Potential for increased nitrogen or
Minor potential of groundwater impact,
Does not promote groundwater
shallow groundwater
-2
contamination
-2
contaminants in groundwater
-1
maintains groundwater recharge
1
recharge
-1
Soils & Geology
No Effect
Disruption from excavation
Localized disruption for construction of
Localized disruption for construction of disposal
No Effect
0
-1
disposal beds
-1
-i
0
Surface Drainage
No Effect
Potential effects if raised beds required
Potential minor effect if raised beds
No Effect, disposal beds can be remotely
No Effect
0
-2
required
-1
located
0
0
Terrestrial Vegetation and
No Effect
Minor due to land area requirements
Large land area requirements
Minor impact due to potential of distributed
Potential impact due to surface water
Wildlife
0
-1
-2
disposal beds
1
volume or quality changes
-1
Social
Change in quality of life
Negative because of future failure of
Negative because of future failure of
Municipally run high quality system
Municipally run high quality system
existing septic systems
-1
septic systems
-1
0
2
1
Visual aesthetics
No Effect
Some pumping stations are external
0
-1
0
0
0
Odour
Potential of odour from existing septics
Potential odours
Potential odours
Odours controlled within a facility
Minor potential of odour due to
-1
-1
-1
1
surface disposal
0
Residential disruption during
N/A
Significant because one system per
Construction centralized temporary
Construction centralized temporary disruption,
Construction centralized temporary
construction
0
residence
-2
disruption
-1
disposal beds installed at time of development
-1
disruption
-1
Economic
Capital costs
No Effect
High cost because of individual
Moderate costs but life expectancy less
Moderate costs with long life expectancy
Highest capital costs because of
0
construction requirements
-2
than other communal solutions
-2
-1
need for high level treatment
-2
Operating/maintenance costs
No Effect
Minor operating costs, pump out every
Higher life cycle replacement costs
Moderate operating costs
High operational and maintenance
0
few years
1
because of lower life expectancy than
-2
-1
cost for enhanced treatment
-2
conventional systems
Ease of servicing
Does not allow secondary
Limited development potential because
Limited development potential because
Development potential limited by soil infiltration
Development potential limited by
development
development to be implemented
-2
of nitrate loading
-2
of limited nitrate treatment
-1
capacity
1
downstream effects/assimilation
1
Property values
No Effect
Negative because of future failure of
Neutral
Positive value increase, municipal system
Positive, but potential resistance due
0
septic systems
-1
0
2
to perceived surface water disposal
1
Technical
Complexity of Operation
No Effect
Requirement of periodic pump out by
Low complexity of operation
Moderate complexity, municipal treatment plant
High complexity due to requirement
0
homeowner
-1
1
-1
of enhanced treatment
-2
Expansion Capabilities
None, does not support development
Limited development potential because
Limited development potential because
Development potential limited by soil infiltration
Development potential limited by
-2
of land requirements
-1
of land requirements
-1
capacity
1
downstream effects/assimilation
2
Effects on other utilities, ex.
No Effect
No Effect
Limited due to centralized facility
Limited due to centralized facility, disposal
Limited due to centralized facility
Relocations
0
0
-1
beds require coordination with utilities
-2
-1
TOTAL
-S
-17
-13
2
5
Table 5.8
STORMWATER MANAGEMENT
-2 = Negative Impact +2 = Positive Impact 0 = No Effect
EVALUATION CRITERIA
-1 = Moderate Negative Impact +1 = Moderate Positive Impact
ALTERNATIVE 1
ALTERNATIVE 2
ALTERNATIVE 3
EVALUATION CRITERIA
DO NOTHING
IMPACT
FOLLOW BEST MANAGEMENT
IMPACT
PROVIDE STORMWATER
IMPACT
PRACTICE
MANAGEMENT FACILITIES
Natural Environment
Groundwater
No Effect
Greatest potential for groundwater
Reduced infiltration of groundwater
0
recharge
2
1
Soils & Geology
Does not address potential existing
Low impact, addresses existing erosion
Moderate impact, can create local erosion
problems
-1
problems
2
-1
Surface Drainage
No Effect
Approach helps to maintains existing
Concentrates surface drainage
0
drainage patterns
-1
-2
Terrestrial Vegetation and
No Effect
Mitigates effects of disruption/changes
Concentrated flow and large facility can
Wildlife
0
to area
-1
disrupt existing vegetation and wildlife, but
-2
potential for creating habitat
Social
Change in quality of life
None
Positive change, maintains natural
Can create centralized park area
0
features
1
1
Visual aesthetics
N/A
Blends into existing features
Can create centralized park area or be
0
1
unpleasing if poorly implemented
0
Odour
None
0
Low potential for odour
0
Moderate potential for odour
-1
Residential disruption during
N/A
Temporary disruption
Temporary disruption
construction
0
1
1
Economic
Capital costs
None
Moderate costs
Moderate cost, but could increase due to
0 ,
-1
requirements for collection
-1
Operating/maintenance costs
None
Very little maintenance requirements.
Very little maintenance requirements.
0
-1
Maintenance easier due to centralized
2
Ease of servicing development
Does not allow development to be
Complex due to numerous requirements
Ease due to connection nature of a
implemented
-2
-2
centralized facility
2
Property values
No Effect
Moderate increase due to lower risk of
1
Increase due to low risk of flooding
2
0
flooding
Technical
Complexity of Operation
No Effect
0
Low maintenance requirements
1
Requires maintenance, periodic cleanout
-2
Expansion Capabilities
No Effect
Some potential for expansion, limited by
Limited to available property
1
property and topography
-1
2
Effects on other utilities, ex.
No Effect
Minor effects
Effect due to conveyance to centralized
Relocations
0
-1
facility
-2
TOTAL
-4
-3
-6
SIMCOE COUNTY BRANCH ONTARIO GENEALOGICAL SOCIETY
http://www.simcoebogs.com/Publications/pu_cemetery.htm
Cemetery (Transcription date)
PAGES
PRICE
St George's Fairvalley (1999)
74
$28.60
Coldwater (1985)
60
$18.30
Mount St Louis RC (1974)
6
$1.20
Brotherston (2 stones)
4
$1.00
Moon Cemetery (1988)
6
$1.00
George Wilson (1988)
4
$1.00
ICemetery (Transcription date)
PAGES
PRICE
Bethesda Congregational (2006) *
14
$2.00
Esson Presbyterian (2006) with photos *
20
$5.00
Oro Station United (2006) *
20
$9.95
Knox Presbyterian (2006) *
48
$16.25
Leigh's Corners (2006) *
10
$2.00
Guthrie United Church (2006) *
24
$7.50
Rugby Congregational (2006) *
8
$1.50
St. Mark's Anglican East Oro (2006) *
19
$4.75
Edgar Old Methodist United (2006) *
13
$3.50
West Oro Baptist (2006) *
9
„ry
St. John's Anglican Craighurst (2006) *
20
$9.85
St. Thomas Anglican Shanty Bay (2006) *
22
$10.00
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$14.95
Unknown Burials Hodges Landing
5
$1.00
Cameron Family Cemetery (1974)
6
$1.00
Johnson Family Cemetery
4
$1.00
F tist Cemetery (single stone)
5
$1.00
can Episcopal (2000)
5
$1.00