Construction of a granular activated carbon (GAC) facility designed to remove per and polyfluoroalkyl Substances (PFAS) from a potable ground water source. Installation of four (4) GAC vessels and GAC media, pre-purchased with the contracts assigned to the contractor. Construction of reinforced concrete backwash tank and recycle pump station. Construction of yard piping. Installation of District furnished chemical feed systems. Installation of instrumentation using the District selected instrumentation integrator S&B. Construction of in-ground infrastructure including water mains, manholes and vaults, seismic adaptors, primary and control electrical conduit and wiring. Construction of a stormwater infiltration system. Site preparation including tree removal, grading, excavation, fence installation, landscaping, and miscellaneous improvements. Modifications to the existing water treatment building.
