This project primarily consists of the installation of a sodium hypochlorite disinfection system and a sodium bisulfite dichlorination system for the Fourth Creek WWTP. The components of work include: storage facility, storage tanks for sodium hypochlorite, storage tank for sodium bisulfite, chemical metering pumps, site piping and containment, valves, chemical line pull boxes, required demolition and modifications to the existing chlorine building, motor actuated slide gates, induction mixers, site work, paving, electrical improvements and all instrumentation and integration.