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National Day for Truth and Reconciliation – Monday, October 2. View holiday hours for City of Winnipeg facilities and services.

National Day for Truth and Reconciliation – Monday, October 2. View holiday hours for City of Winnipeg facilities and services.

Water and Waste Department

Jefferson East Sewer Separation Project

  • Details
  • Map
  • Documents

Details

The City of Winnipeg is changing the existing combined sewer system in order to alleviate basement flooding and reduce the number of combined sewer overflows in the Seven Oaks area.

The Jefferson East Combined Sewer Relief and Combined Sewer Overflow Abatement Study was completed in 2009. The study determined that the current level of service (LOS) for the district's combined sewer capacity was below the five year return period design storm.

Construction of new land drainage sewers (LDS) in the Jefferson East combined sewer district will convey wet weather runoff in a new land drainage system, improving the LOS. The proposed sewer separation works will be carried out over a number of years requiring a total of 13 contracts within the Seven Oaks area.

Construction of combined sewer overflow and basement flood relief works in the Jefferson East combined sewer district commenced in September 2012 with Contract 1. To date, six contracts have been completed with a total committed investment of $38.4 Million. Seven more construction contracts are still required to complete the Jefferson East sewer separation works. Residents who are directly impacted by current combined sewer separation projects should receive a Water and Waste Notice. Details of the current contracts are as follows:

Contract No. 6a

  • Contract start date: 2022
  • Completion date: 2022
  • Cost of contract: $2.9 Million
  • Scope of work:
    • Sewer separation and new land drainage system was installed along Main Street, Kingsbury Avenue to Jefferson Avenue. The sewers were installed using a trenchless tunnel method to minimize above ground disruption and impact to local residents and the public at large.

Contract No. 6b

  • Contract start date: 2022
  • Expected completion date: 2023
  • Estimated cost of contract: $3.0 Million
  • Scope of work:
    • Sewer separation and new land drainage system to be installed from Salter to Main Street at Burrin Avenue, Belmont Avenue, Hartford Avenue and Perth Avenue, and from Burrin Avenue to Hartford Avenue at Aikins Street.

Contract No. 7a

  • Contract start date: 2022
  • Expected completion date: 2023
  • Estimated cost of contract: $5.0 Million
  • Scope of work:
    • Connection and constructions of new land drainage system to be installed on Salter Street from Semple Avenue to Jefferson Avenue, and on Kilbride Avenue, Belmont Avenue, Hartford Avenue and Perth Avenue from Powers Street to Aikins Street.

Data values on this page are representative of work completed as of December 31, 2022.

Map

Documents

 

Last updated: June 19, 2023

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