This contract is to provide all labor, materials, equipment, and transportation necessary to repair the Cathodic Protection Systems at the regional Waste Water Treatment Plant (WWTP). Work includes repairs on all CP test stations. Repair cathodic protection for all ductile iron pipe between the west valve risers and the entrance road as well as the inlet/outlet piping from the North and South digesters and install CP Bond Test Boxes. Replace cathodic protection for the North and South clarifiers, as well as the North digester. Upgrade fire protection piping to ensure proper isolation and install additional galvanic anodes as necessary to satisfy established cathodic protection criteria.