1.02 38DXA58402_00_A01 SPEC.pdf

This document is a Job Specification for repair work on the Lower Stern Gate and Transom of USS SAN DIEGO (LPD-22). The work is scheduled with an anticipated award date of 01/23/2024, production completion date of 02/04/2024, and POP end date of 01/30/2026. The contract is identified as ICN 38DXA58402 and is being prepared by S. NODA with approvals from S. MURAKAMI, S. MOROOKA, and N. KOSHOJI. The work includes comprehensive repair and restoration of the lower and upper stern gates, transom components, and associated equipment located in multiple compartments throughout the ship including the Well Deck Transom, Gate Operating Gear Rooms, Nixie Machinery Room, and Ballast Tanks.

The scope encompasses removal and reinstallation of major components including three ballast tanks (6-193-0-W, 6-193-1-W, 6-193-2-W), two stern gates (lower and upper), and associated hinge pins, lift pins, and keeper plates fabricated from nickel-copper aluminum alloy materials per MIL specifications. The work requires detailed inspection, cleaning, preservation, welding, load testing, and operational verification of all components per referenced technical manuals and drawings. Key requirements include pre-brief meetings, load tests of temporary lifting padeyes rated at 70,000 LBS for the lower gate and 24,000 LBS for the upper gate, watertight integrity testing, light and water testing, and final preservation and cleaning. Government-furnished materials totaling sixty line items are provided, including high-tensile steel plates, structural angles, channels, fasteners, adhesives, electrodes, and various hardware components. The specification references multiple technical standards including NAVSEA manuals, GSO specifications, and MIL-DTL standards for welding, safety protocols, and quality assurance procedures.