Work includes the following: Sodium Hypochlorite Pipe Replacement: Select demolition and replacement of hypochlorite piping, valves, associated supports; demolition and replacement of chemical feed pumps and associated concrete bases; demolition and replacement of pneumatic control valves; recoating and rehabilitation of fiberglass reinforced plastic tanks for hypochlorite storage; demolition or support of existing underground utilities during buried pipe and chemical trench installation work; dewatering, site restoration, and surveying; clearing and grubbing,removal of site debris; demolition and replacement of electrical control panels, conduits, wires;installation of junction boxes, process instruments; installation of variable frequency drives and control panels; handling and proper disposal of debris and hazardous waste; and all required testing and training.