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Jefferson East Sewer Separation Project

Details

The City of Winnipeg Water and Waste Department has identified that changes to the existing combined sewer system are required 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 5 year return period design storm.

Construction of new land drainage sewers (LDS) in the Jefferson East combined sewer district will convey wet weather runoff freeing up capacity in the existing sewers and improving the LOS. The proposed sewer separation works will be carried out over a number of years requiring a total of 10 Contacts 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, Contracts 1-4 have been completed at an investment of $13.3 Million. Six more construction contracts are still required to complete the Jefferson East sewer separation works. Details of the current contracts are as follows:

Contract No. 5

  • Contract start date: Jan 2020
  • Expected completion date: Nov 2021
  • Estimated cost of contract: $23 Million
  • Scope of work: A new LDS trunk will be installed along Semple Avenue from Scotia Street to the McKenzie Street by a trenchless tunnel method to minimize above ground disruption and impact to local residents and the public at large.

Data values on this page are representative of work completed as of June 2019.

Map

Documents

 

Last updated: August 28, 2019

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