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Home > Streets and transportation > Driving and traffic > Road closures and construction > St. Catherines Sewer Trunk Upgrades
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We’re upgrading critical sewer infrastructure along sections of E 39th Ave, E 40th Ave, Prince Albert St, and St. Catherines St.
We will replace the existing St. Catherines Trunk with a larger-capacity and separated sewer system with one pipe for rainwater runoff and one pipe for sanitary sewer.
The new sewer will have a life expectancy of 100 years and will help to serve this growing neighbourhood.
Learn more about sewer separation
Improving pedestrian safety
The project will improve safety for people walking at pedestrian crossings along routes to Sir Alexander Mackenzie School by adding curb bulges at:
- St. Catherines St and E 40th Ave
- Prince Albert St and E 39th Ave
- Windsor St and E 40th Ave
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Project details
Locations
- E 39th Ave, Chester to St Catherines St
- E 40th Ave, lane east of Chester St to Windsor St
- Prince Albert St, E 37th to E 39th Ave
- St. Catherines St, E 40th to E 41St Ave
Expected duration
- Start: Spring 2018
- End: Winter 2018
Hours of work
- Monday to Friday, 7am to 3:30pm
- Weekends and extended hours as needed
Project timeline
| Section | Estimated start | Estimated end |
|---|---|---|
| Prince Albert St from E 37th to E 39th Ave | April 2018 | July 2018 |
| St. Catherines St from E 39th to E 41st Ave | May 2018 | September 2018 |
| E 39th Ave from Chester to St Catherines St | April 2018 | October 2018 |
| E 40th Ave from the laneway east of Chester St to Windsor St | March 2018 | May 2018 |
How this project may affect you
Access to residences
Access to residences and Sir Alexander Mackenzie Elementary School will be maintained at all times.
Sidewalk access and pedestrian street crossings will be generally maintained and detoured as necessary.
Parking
Parking restrictions will be in effect to accommodate construction. Be sure to watch for No Parking signs as restrictions will change as work progresses. Restrictions will be lifted as soon as they’re no longer needed.
Traffic
Some street closures will be in effect to accommodate sewer work. At these times, laneway access will be maintained.
What is a trunk?
A sewer trunk line collects waste and storm water from smaller sewer lines.
Waste and storm water collected in the larger trunk eventually flows to the Iona Island Wastewater Treatment Plant 
located in Richmond.
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