Kelowna, BC, invests $7 million in CIPP technology for sewer pipe repair

(UI) — The city of Kelowna, located in the south of Canada’s British Columbia province, is set to embark on a $7-million project next week to repair 1.6 miles of sanitary sewer pipe using cutting-edge "trenchless" technology known as Cured-in-Place Pipe (CIPP).

The process involves inserting a resin-soaked liner into a pipe and exposing it to steam, which hardens the liner to create a new internal pipe. Active construction is slated to occur between late April and June, covering a repair route along Hardy Street, Enterprise Way, Enterprise Court, Parkinson Way, Sutherland Avenue, Burtch Road, and through the Parkinson Recreation Centre parking lot. Deterioration in the walls of the concrete pipe prompted this section's repair after video inspection.

Dylan Wilson, senior project manager, highlighted the benefits of trenchless technology, noting that it significantly reduces impacts on residents and comes at a lower cost compared to traditional excavation methods.

The project aligns with Kelowna's commitment to efficient infrastructure management, as outlined in its 2040 Official Community Plan, with a focus on protecting the environment and safeguarding existing and proposed infrastructure.

To facilitate the repair process, sewer flow will be intercepted and bypassed to two overland pipes, which will be closely monitored 24/7 to ensure their functionality. Intermittent single-lane alternating traffic can be expected during the construction window, with detour routes clearly marked for active transportation users.

While the bypass pipes will primarily be laid above ground, trenching will occur at major intersections to minimize traffic impacts. This comprehensive approach underscores the city's dedication to maintaining essential infrastructure while minimizing disruption to residents and commuters.

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