Sanitary Servicing Overview - City of Kitchener

Date: August 9, 2011
To: Juliane vonWesterholt / Brandon Sloan – Planning
From: Binu Korah - Engineering
cc Jared Puppe, Grant Murphy - Engineering
Subject: Rosenberg Secondary Plan RE: Updated Sanitary Servicing Overview
Overview
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The following updated sanitary servicing analysis overview is in support of the proposed land
use designations for lands located in the Rosenberg Secondary Plan. The Rosenberg
Secondary Plan consists of over 430 hectares of land with approximately 300 hectares identified
as potential for development. The study area extends from Trussler Road, east along Bleams
Road (including some parcels north of Bleams) to Fischer-Hallman Road (including some lands
east of Fischer-Hallman) then south to Huron Road (including some lands south of Huron Road)
Refer to Map 22e Rosenberg Secondary Plan, Land Use Plan.
For the purposes of this Sanitary Trunk Sewer Analysis, in addition to the lands within the
Rosenberg Secondary Plan, draft approved, registered and built plans of subdivision or
development within the Middle Strasburg Trunk Sanitary Sewer (MSTSS) drainage area such as
the Huron Woods, Huron Village, Norris- Sternberg (portion thereof), Williamsburg (portion
thereof), and Becker Estates were also considered.
Summary
For the purposes of sanitary servicing analysis, a maximum overall population for the
Rosenberg Secondary Plan was developed in concert with the Planning Division. This was
based on engineering assumption calculations of the theoretical maximum population for the
land use designations shown on the July 2011 Land Use Plan. A maximum of approximately
55,000 people was utilized for the sanitary sewer analysis.
Table 1.0 below shows the population numbers derived for each developable land use
designation.
Table 1.0 – Rosenberg Secondary Plan Population Breakdown
Land Use Designation Population
Low Density Residential - 1 12,446
Low Density Residential - 2 8,132
Medium Density Residential - 1 9,292
Medium Density Residential - 2 5,195
High Density Residential 1,346
Mixed Use - 1 5,257
Mixed Use - 2 13,440
TOTAL POPULATION 55,108

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The Engineering Division assessed the current service area for the MSTSS and the South
Strasburg Trunk Sanitary Sewer (SSTSS) including an investigation of our sanitary capacity
model. A total population assigned to the overall study area is approximately 71,000 people
which include the lands within the Rosenberg Secondary Plan and all other urban lands within
the respective drainage areas.
Lands within the study area located to the northeast of Huron and Fischer Hallman Road and
north of Williamsburg Cemetery are assigned to the MSTSS. All future developments located
south of Huron Road, such as the Becker Estates Subdivision and a portion of the DPA Huron
Woods Subdivision has been assigned to the SSTSS. Lands located west of Fischer Hallman
Road between Huron Road and the Williamsburg Cemetery is assigned to the MSTSS or
combination of the MSTSS and the SSTSS.
This approach maximizes the MSTSS while accounting for the decommissioning of the existing
Temporary Pumping Station (TPS) located on Bleams Road. This TPS currently provides
service for the Norris-Sternberg and Williamsburg Subdivisions via the Borden Trunk Sewer.
Upon extension of the MSTSS peak sanitary flows from the Norris-Sternberg and Williamsburg
Subdivisions will be diverted from Borden Trunk Sewer to the MSTSS thereby eliminating the
TPS on Bleams Road.
Due to the high level assessment of this sanitary servicing analysis, some details are required to
be addressed in order to best plan for, and utilize, future and existing municipal infrastructure.
Areas that require further assessment include any future connection points to the MSTSS, as
well as any areas which may necessitate the extension of the existing local municipal system. In
recognition of the fact that some lands within the study area have options with respect to
sanitary servicing and that other lands do not, the City will identify whether further studies and/or
Class Environmental Assessments are warranted. The Landowner will be required to do further
studies and/or Environmental Assessments at the Draft Plan of Subdivision stage. These
conditions will apply to lands located south of the cemetery and north of Huron Road. Although
these lands have been assigned to the MSTSS, the exact connection location and any
extension of or upgrade to existing infrastructure has yet to be determined.
Conclusions and Recommendations
Based on the assessment completed to date the following conclusions and recommendations
are provided:
- All development land parcels north of Huron Road as designated on the Rosenberg Secondary
Plan have been assigned to the Middle Strasburg Trunk Sanitary Sewer;
- The capacity of the Middle Strasburg Trunk Sanitary Sewer has been maximized to
accommodate the lands within Rosenberg Community Secondary Plan, and the existing and
Draft Plan Approved subdivisions developments;
- The Temporary Pumping Station located on Bleams Road is to be decommissioned at such
time that the Middle Strasburg Trunk Sanitary Sewer becomes available to service the Norris-
Sternberg and Williamsburg Subdivisions;

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- Additional studies and/or Environmental Assessments in order to determine suitable
connection location(s) to the Middle Strasburg Trunk Sanitary Sewer as well as any extension
and/or upgrade to existing infrastructure will be required for those lands located north of Huron
Road and south of the Cemetery and west of Fischer Hallman Road. Additional study
requirements will be identified at the Draft Plan of Subdivision stage;
- Based on the modeling work done and review of the land use plan, we conclude that the
Middle Strasburg Trunk Sanitary Sewer and the South Strasburg Trunk Sanitary Sewer has
sufficient capacity to provide sanitary servicing for all the land uses identified in the Rosenberg
Secondary Plan, as well as the existing and Draft Plan Approved subdivisions identified in this
report.