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https://pcconstruction.com/app/uploads/2016/06/TDPS-ECF-A.jpg720720Yet another milestone has been met on the site of the Tunnel Dewatering Pump Station and Enhanced Clarification Facility project at the Blue Plains Advanced Wastewater Treatment Plant in Washington, DC! Formwork was set into the screen shaft to extend the 23-foot-diameter tunnel, which conveys combined stormwater and sewage to the plant for treatment. PC […]