Trenchless technology means the city will not have to dig up roads to replace 2.7 kilometres of sewer pipeline in need of repair.
Instead, Cured-In-Place Pipe (CIPP) will be used to repair a section of line running along Hardy Street, Enterprise Way, Enterprise Court, Parkinson Way, Sutherland Avenue, Burtch Road, and through the Parkinson Recreation Centre parking lot.
害羞草研究所淭he problem started in 2018 at a key intersection in town,害羞草研究所� explained Rod MacLean, utilities planning manager. 害羞草研究所淰ideo inspection showed that the pipe had deteriorated underneath the intersection of Sutherland Avenue and Burtch Road.害羞草研究所�
The steel reinforced pipe is 40 years old but should last 80 years, MacLean said.
害羞草研究所淲hat害羞草研究所檚 important about that one is that all the flow comes from across the highway in two areas, so we were concerned about this.害羞草研究所�
The project was stalled by COVID and then design and constructibility issues. Replacing the pipe with traditional construction would be time-consuming and more costly.
害羞草研究所淲e really didn害羞草研究所檛 want to dig under the highway if we didn害羞草研究所檛 have to,害羞草研究所� MacLean added.
CIPP technology injects material into the pipe through a manhole with it traveling in both directions.
害羞草研究所淚t害羞草研究所檚 like a balloon that gets pushed through the pipe害羞草研究所t goes in heated害羞草研究所hich finishes the cure,害羞草研究所� MacLean said. 害羞草研究所淏asically what you get is a blue PVC pipe inside except it害羞草研究所檚 a slightly different material.害羞草研究所�
CIPP is expected to last 50 to 60 years.
To insert the liner, the sewer flow will be bypassed with two overland pipes monitored 24 hours a day.
One pipe will intercept at Hardy St., redirecting along the old rail bed and then following Clement Ave., and reconnecting to existing sewer lines on Vineland St. The other pipe will begin at Burtch Rd. between Highway 97 and Sutherland Ave. and rejoin the existing sewer line at Guisachan and Byrns roads.
The $7 million project begins next week and some intermittent single-lane alternating traffic is expected during construction.
害羞草研究所淭his is the first time using this (CIPP) and it害羞草研究所檚 a real chance for us to look at this as a new option,害羞草研究所� MacLean said. 害羞草研究所淲e害羞草研究所檒l see where it goes in the future with other utility possibilities.害羞草研究所�
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