Notice of Project

Contract No. 12-2019

Sarnia Sewer Upgrade Project

Phase 3 – Trunk Sanitary Sewer Microtunnelling

May 25, 2020

Dear Property Owners/Residents

The City of Sarnia has begun Phase 3 – Trunk Sanitary Sewer Microtunnelling project to increase the capacity of the sewer system and to improve the quality and reliability of your wastewater system. This letter provides you with information about the project and offers you the chance to provide feedback with may help the City.

Project Details

Location Beginning on the Howard Nature Trial approximately 500 m north of Confederation Road to the North/East corner of Indian Road & Plank Road
Anticipate Schedule March 2020 to February 2021
Shaft 3 to begin June 1, 2020
Proposed Scope -Microtunnelling 1750 m of 1350mm diameter concrete pipe
-Construction of two maintenance chambers
-Construction of four access shafts
This website has basic information about the project, including contact information, and a digital copy of this letter. More information will be uploaded to the page as the project progresses.

Project Map

Construction Impacts


This project will require the closure of the Howard Watson Nature Trail from Confederation Road to Wellington Road during the construction of shafts 3 & 4, the microtunnelling between shafts 3 & 4 , and the construction of the maintenance chamber at shaft 4. Where applicable, signage will be erected on site at either end of the trail indicating that the trail is closed.


The City is committed to keep you connected and informed during construction. Please reach out to our City Project Manager at any time during construction. He can help answer your questions and keep you informed of the construction progress.


Temporary Conditions

Dust, noise, lighting and vibrations

You may experience dust, noise, lighting and other inconveniences during construction The construction equipment can also cause vibration during some phases of the operation. Please ensure you protect any valuables susceptible to damage.

Work Hours

Shaft & Chamber Construction –Work will typically take place from 7:00 am to 7:00 pm Monday to Friday and periodically on Saturday, with work after hours as required to accommodate the completion of the project within the established schedule and to minimize impacts of the work.

Microtunnelling – during the microtunnelling operation, the work will take place 24 hours each day. At this time it is not known if this operation will be a 5, 6 or 7 work week. With the ongoing COVID-19 pandemic, staffing issues are still being investigated.

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