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.
sa国际传媒淭he problem started in 2018 at a key intersection in town,sa国际传媒� explained Rod MacLean, utilities planning manager. sa国际传媒淰ideo inspection showed that the pipe had deteriorated underneath the intersection of Sutherland Avenue and Burtch Road.sa国际传媒�
The steel reinforced pipe is 40 years old but should last 80 years, MacLean said.
sa国际传媒淲hatsa国际传媒檚 important about that one is that all the flow comes from across the highway in two areas, so we were concerned about this.sa国际传媒�
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.
sa国际传媒淲e really didnsa国际传媒檛 want to dig under the highway if we didnsa国际传媒檛 have to,sa国际传媒� MacLean added.
CIPP technology injects material into the pipe through a manhole with it traveling in both directions.
sa国际传媒淚tsa国际传媒檚 like a balloon that gets pushed through the pipesa国际传媒t goes in heatedsa国际传媒hich finishes the cure,sa国际传媒� MacLean said. sa国际传媒淏asically what you get is a blue PVC pipe inside except itsa国际传媒檚 a slightly different material.sa国际传媒�
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.
sa国际传媒淭his is the first time using this (CIPP) and itsa国际传媒檚 a real chance for us to look at this as a new option,sa国际传媒� MacLean said. sa国际传媒淲esa国际传媒檒l see where it goes in the future with other utility possibilities.sa国际传媒�
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