1.02 PK3_38NBA26108_00_A01.pdf

This is a Job Specification document for naval shipboard maintenance work on the USS Makin Island (LCS-23), Hull Number LCU-1651 (NBU-7). The work involves replacing the fuel oil fill shore connection piping system.

The scope encompasses removal and installation of 12 feet total of 2-inch and 2-1/2-inch IPS fuel oil fill piping from the shore connection to under the main deck, located in Main Deck Weather on the Port Side at Frame 48, plus installation of two 2-inch IPS gate valves. The work requires cleaning piping to gas/oil-free condition per 29 CFR 1915 Subpart B, with specific requirements including a legible condition report from the Marine Chemist, fabrication of backing rings, shop low-pressure air testing at 35 PSIG, deck penetration welding, local air hose testing with zero leakage allowance, operating pressure testing of Class P-2 piping joints, and surface cleaning/preservation. Government-furnished materials include 20 feet of 2-inch pipe, 4 feet of 2-1/2-inch pipe, two gate valves, flanges, fittings, elbows, couplings, sleeves, bolts, nuts, gaskets, and welding electrodes. The anticipated award date is May 1, 2026, with a production completion target of August 29, 2026. Work is scheduled to begin June 1, 2026, and end September 30, 2026. The preparing activity is SASEBO, with reference to Standard Items (FY26) and machinery piping system diagrams.