Denison Valve Replacement

Description: This is a Sources Sought notice for a contract to provide and install two new 8-inch station service draft tube drain gate valves and two new 16-inch unwatering gate valves at Denison Dam Powerhouse. The work includes removing and disposing of the existing valves and inspecting and refurbishing operating equipment, including stem extensions, shafts, bearings, bushings, and associated components. Work will take place in a confined space in a manhole about 30 feet deep, requiring specialized access, lifting equipment, and appropriate safety measures; the set-aside decision will depend on the capabilities of responses.