A drone shot of the spot where the catastrophic water main rupture broke ground, next to a plaza on 16 Ave. N.W., just west of Home Road.
Preliminary findings from the City of Calgary’s investigation into why its most critical water feeder main ruptured earlier this year show that several different factors may have contributed to its catastrophic failure.A drone shot of the spot where the original June 5 rupture broke ground, next to a plaza on 16th Avenue N.W., just west of Home Road.
Built in 1975, the feeder main, which is 11 kilometres long and as wide as two metres in diameter in parts, is an integral part of Calgary's civic water system. It transports roughly 60 per cent of the city's treated water supply. Two segments of the feeder main — one along Parkdale Blvd N.W. between 26th Street and 27th Street, and the other at the Memorial Drive westbound off-ramp at Crowchild Trail — are still currently being rehabilitated, but construction work is nearly complete, according to Friday's release.
While options are still being considered for long-term rehabilitation, the city says the feeder main is "responding well" to all of the rehabilitation work that was completed between June and November.
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