Marine Piping System Replacement (4-inch CuNi 90-10 VCHT)

This contract entails the complete removal and replacement of a 20-foot section of 4-inch IPS copper-nickel 90-10 VCHT piping aboard the USS NEW ORLEANS. The scope includes all necessary fabrication and installation work, as well as adjustments to pipe hangers and the replacement of flashing to ensure system integrity. The project will be performed at the Sasebo location under the oversight of the Naval Supply Fleet Logistics Center in Yokosuka, with government personnel witnessing a pressure test that mandates zero allowable leakage to verify quality and system performance. The work falls under the NAICS code 238220, which covers plumbing, heating, and air-conditioning contractors, and it is structured as a subcontract opportunity. The contract reflects the Department of Defense’s commitment to maintaining naval vessel operational readiness by ensuring reliable and corrosion-resistant piping systems critical to shipboard environments. The successful completion of this contract will restore the piping infrastructure to optimal working condition, adhering to strict government standards and quality controls.