Piscataway WWTP Storage and Headworks Improvements

Value: $41,362,000 Started: 2014 Completed: 2016 Location: Accokeek, MD Owner: Washington Suburban Sanitary Commission Engineer: Hatch Mott MacDonald / Gannett Fleming
Piscataway WWTP Storage and Headworks Improvements

Description

Expansion of the existing Piscataway WWTP increasing plant capacity from 60 MGD to 120 MGD. Construction of new Headworks facilities which include an Influent Distribution Box, Screen Chamber, Grit Removal System, Storm Diversion Chamber. Sludge removal and rehabilitation of existing Storage Ponds. New 5 million gallon concrete Storage Tank and Emergency Storage Pond with geomembrane lining system. Other work includes Process and Chemical Piping, Electrical and Instrumentation systems to support new facililties.