Vancouver invests $184-million for the upgrade of Annacis Island wastewater treatment plant in Delta. It involves constructing a one-kilometre-long tunnel to be bored by a TBM about 40 metres below the surface.Contract for the work was awarded to Pomerleau Inc. and Bessac by Metro Vancouver.
The $184-million
A new, higher-capacity outfall and diffuser system is slated to be built over the next four years as part of a massive upgrade and expansion project at Annacis Island wastewater treatment plant in Delta, B.C.
The $184-million project involves...
cover tunnel photo by: Matt Brown from London, England / CC BY
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