Sewer rehab begins ahead of street improvements in Windsor’s historic Sandwich Town

Ontario Construction News staff writer

The City of Windsor is investing $8.5 million to rehabilitate aging sewers and improve operating efficiency along approximately three kilometres of Sandwich Street – from Rosedale Avenue to Ojibway Parkway – using a sewer relining process that avoids digging up pipes and disrupting neighbourhoods.

Up to to 3,500 metres of sanitary, storm and combined sewers, many over 100 years old, will be cleaned and repaired.

“Once complete, we will have repaired significant issues impacting the sewers, associated manholes, services and private drain connections for an important section of Sandwich Street and a vital corridor through our community,” said Mayor Drew Dilkins.

“Owing to the innovative robotics processes used, we’ll have done it with minimal impact on traffic, residents and archeological finds and I’m grateful to our WDBA/BNA partners for collaborating to recognize Sandwich Town’s importance.”

The less disruptive and sometimes more cost-effective ‘relining’ method uses trenchless, no dig technologies. Instead of digging up the road, crews use existing sewer structures such as manholes/cleanouts to access the main line sewer.

A robotic camera is sent in to conduct detailed video surveys of the pipes. For areas in need of repair, a felt liner is saturated with a resin and inserted into the sewer. This order ambien overnight delivery resin compound is then cured-in-place to form what is, essentially, a new pipe within a pipe.

Relining sewers allows the City to rehabilitate aging pipes, while reducing the amount of open cutting, and minimizing impacts to traffic, emergency services, properties, residents, businesses and pedestrians.

This work improves the structural integrity of existing sewers in place, and the lining service life is rated for about 50 years. This work reduces otherwise clean storm water from infiltrating the sanitary sewer system, increases pipe capacity, and reduces the risk of localized basement flooding.

Area residents and motorists can expect periodic detours and path disruptions from November 2020 to September 2021, as this project proceeds.

To achieve significant cost savings, the city is starting work ahead of upcoming surface improvements planned by the Windsor Detroit Bridge Authority (WDBA) and Bridging North America (BNA) groups in connection with the construction phase of the Gordie Howe International Bridge (GHIB).

That forthcoming work will include new curbs, sidewalks, trails, new pavement, bike lanes and streetscaping along the same stretch of Sandwich Street.

“I’m pleased that we’ll be able to complete this work with minimal disruptions for residents and commuters, while laying the groundwork for future improvements,” said councillor Fabio Costante.

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