Mooney’s Bay sanitary sewer realignment – phase 3

Project description

Mooney’s Bay Sanitary Sewer Collector (MBC) is part of the wastewater collection system servicing central and south Ottawa. Approximately 7.5 kilometers long, the sewer is collecting wastewater all the way from the neighbourhoods west of Prince of Wales/Fisher intersection (Parkwood Hills, Fisher Glen, Carleton Heights, etc.) to the Bayview area west of the O-Train / Trillium Line corridor (Central Park and Hintonburg neighbourhoods).

At the downstream end, the section of the MBC located just north of the Somerset Street West railway overpass, starting at the Hintonburg Place corner (just west of Bayswater intersection), then crossing the rail tracks to the east side, was identified for replacement.

The project was initiated in 2018, and due to external constraints in the same area, most notably the LRT Phase 2 design and construction and O-Train Trillium Line, construction was split into 3 phases:

• Phase 1 crossing of the Trillium Line tracks.
• Phase 2 downstream connection – work east of the train tracks.
• Phase 3 connection to the existing MBC on Hintonburg Place – work west of the train tracks.

The first two phases have been completed, while phase 3 was delayed due to work on the Trillium Line. The Trillium Line was scheduled for completion in the fall of 2024, hence the reinitiation of this project, with the construction of phase 3 in 2025.

Project timing

Design: September 2024 to April 2025
Construction start: summer 2025
Construction completion: fall 2025

Project budget

Approved project funds to date are $4.352 million. Budget will be adjusted once the design is completed and prior to the construction start date.

Public engagement

A public open house was held on February 11, 2025, to present the design drawings to the public. At that time, residents were able to review the design, ask questions and provide comment on the proposed works.

Accessibility

Accessibility is an important consideration for the City of Ottawa. The City makes every effort to provide access through and around construction sites. If you require a disability-related accommodation, please contact the project team. Accessible formats(link is external) and communication supports are available, upon request.

Safety

The City of Ottawa is committed to safety in and around project sites. The project team continues to work closely with the industry and to comply with recommendations provided by municipal, provincial and federal health officials, as well as the Ministry of Labour, Immigration, Training and Skills Development.

Should you have any inquiries, please do not hesitate to contact:

City Project Manager
Julie Lyons(link opens email application), P.Eng.
Senior Engineer, Infrastructure Services
Design and Construction – Municipal
100 Constellation Drive, Ottawa, ON K2G 6J8
Tel: 613-580-2424 ext. 13345

City Consultant Representative
Derek Lougher-Goodey(link opens email application), P.Eng., PMP
Project Manager, Water
Stantec Consulting Ltd.
Tel.: 613-799-9570

The City of Ottawa held a public information session – open house on February 11, 2025, at the Tom Brown Arena, to discuss the proposed infrastructure improvement project in your neighbourhood. Preliminary design drawings were on display for your review and staff were present to answer any questions and receive comments.

In addition to the above meeting, residents can also participate through viewing and commenting on the online documents:

Boards [ 996.04 KB ] Opens in a new tab or window(link is external)

Your input is an important part of the consultation process. Your feedback can be submitted by email or by phone to the contact below by February 25, 2025.

The following provides additional information about the project:

What: The project involves sanitary sewer realignment and associated reinstatements. 

Why: The objective of this project is to replace and realign the Mooney’s Bay collector trunk sewer to remediate and improve performance of the existing pipe works.

When: Construction is planned to start summer 2025 and be completed by spring 2026.

Where: Crossing Hintonburg Place at Tom Brown Arena.

Who: The engineering firm, Stantec Consulting, has been retained by the City of Ottawa to develop design drawings for this project.

For further information about this project and/or to submit comments, please contact the City’s Project Manager:

City Project Manager    
Julie Lyons(link opens email application), P.Eng.
Senior Engineer, Infrastructure Projects
100 Constellation Drive, Ottawa, ON K2G 6J8
Tel.: 613-580-2424, ext. 13343