Job Specification Summary

This is a Job Specification document for exterior hull repair work on the NBU-7 vessel (Ship/Hull No. LCU-1651). The contract number is 38NBA10032, with an anticipated award date of 6/12/2026 and production completion date of 8/19/2026. The period of performance runs from 6/01/2026 to 9/30/2026, with the preparing activity designated as SASEBO. The work is prepared by T. SATO, approved by S. MURAKAMI, and concurred by S. MOROOKA, with assistance from H. SENOO and M. YAMASHITA.

The scope of work encompasses repair activities across 24 distinct ship locations including the vehicle deck, pilot house, ballast tanks, deck house, bulwark, galley and mess rooms, machinery compartments, storerooms, engine rooms, anchor winch compartment, and steering gear compartment. The specifications detail identification requirements for Central Machinery Monitoring and Control System (CMMCS) components, ballast tanks with 3,400 GL capacity each, bulkhead plating, ventilation ducts, freeing ports, and deck staples. Requirements include disconnecting and reconnecting CMMCS pilot house main console with proper bonding and grounding per MIL-STD-1310H standards, cleaning ballast tanks per specified enclosures, repairing damaged bulkhead plating and ventilation openings using new mild steel plates of specified thicknesses, installing freeing ports from new 1/4-inch thick mild steel, fabricating new staples from 3/8-inch diameter steel round bar, and conducting welding per Navy standards with local air hose testing allowing zero leakage. Government-furnished materials include galvanized steel bar rounds, link chains, welding rods, insulators, adhesives, fasteners, packing assemblies, and miscellaneous hardware components listed in the material list.