NSWCPD has a requirement to provide engineering and technical services required to perform SCD 27301. The contractor shall also make repairs to the AFT LIN tank to return to operational status as well... NSWCPD has a requirement to provide engineering and technical services required to perform SCD 27301. The contractor shall also make repairs to the AFT LIN tank to return to operational status as well as provide relief valve testing on FWD and AFT O2N2 Plants. The Naval Surface Warfare Center of Philadelphia intends to procure these services on a Sole-Source basis from Cold LLC, under BOA N6449822G4005, as they are the Original Equipment Manufacturer, (OEM) of these parts.