Coquitlam UV Disinfection Plant

Kenaidan Contracting Ltd.
Coquitlam, BC

JJM Construction Ltd. was selected by Kenaidan Contracting Ltd. to perform excavation, shoring and site servicing activities for the new UV Disinfection Plant in the Coquitlam Watershed, undertaken for Metro Vancouver. The scope of work included preparation of spoil disposal areas; excavation, hauling and placing +/- 100,000m³ of spoil; shoring of the excavation site; placement of granular backfill material around the new infrastructure; removing existing utilities; installation of new site services and utilities; restoration of the spoil disposal sites; and architectural finishing work on the retaining structure.

JJM worked with GeoPacific Consultants Ltd. and Southwest Contracting Ltd. to design and build a retaining structure up to 25m in depth, consisting of a shotcrete and soil anchor wall combined with a secant pile wall installation at key locations. The work was carried out in an environmentally sensitive watershed and while protecting the existing water distribution system infrastructure.

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