SPEC 38NBA62501R_00_A01.pdf

This is a Job Specification document for federal shipboard work on the Naval Base Unit 7 (NBU-7), specifically for the installation of airport battle covers on ship LCU-1633.

The specification requires fabrication and installation of six Airport Battle Cover Assemblies for the forward and starboard sides of the pilot house portlight. Work locations are identified as Vehicle Deck Frames 28 to 30 (starboard side) and Pilot House 1-28-1-C. The contractor must template, fabricate, and install new covers using new mild steel plate (1/4 inch, 3/8 inch thick) with flat bars, round bars, CRES studs, spring pins, and ring nuts per ABS Grade A and ASTM A36 specifications. Each existing hinge pad and mounting pad must be reused except for those listed in the specifications. Requirements reference welding standards (009-12 of specification 2.1, Table 2, Columns A and D, Lines 1-7) and cleaning/preservation standards (009-32 of specification 2.1) to match surrounding surfaces. The document includes a comprehensive material list with 27 line items specifying quantities, stock numbers, hazard materials designations, and part numbers for steel plates, bars, insulation blocks, fasteners, welding materials, and adhesives. The anticipated award date is July 31, 2025, with production completion by January 31, 2026. The specification was prepared by T. SATO (H ST code), approved by S. MURAKAMI (S225 code), and concurred by S. MOROOKA (S231 code), with final approval dated June 6, 2025. Enclosure A provides technical drawings depicting the pilot house location and detail of the mounted battle cover assembly.