89MVA15002_00_A01.pdf

This document is a Job Specification for ship hull modification work on the YON-285 Barge, issued under ICN 89MVA15002 with an anticipated award date of July 21, 2026, and a production completion date of February 2, 2027. The work involves accomplishing S/A OSSRD Catholic Protection throughout the barge in a drydock/dry-berthing environment.

The scope includes removing existing zinc anode assemblies and installing new cathodic protection systems per specification 633-8970254 (S/A YON-OSSRD YON 285 Catholic Protection Incidental Barge Conversion). Key requirements encompass welding work for stud installation with machine qualifications per S130, surface cleaning and preservation to match surrounding areas per specification 009-32, and completion verification. The contractor must provide welding machines with current procedure qualification records and is responsible for waste disposal in accordance with Japanese Environmental Governing Standards (JEGS). Government-furnished materials include welding rods (various diameters and types per MIL specifications), electrodes, corrosion-prevention anodes, studs, and hardware totaling 14 line items with quantities ranging from 3 to 160 units each. Related work items covering dry docking/undocking, marine chemist inspection, cargo void cleaning, underwater hull preservation, and nonskid deck work are covered under separate ICNs (89MVA86301_A01, 89MVA11001_A01, 89MVA12301_A01, 89MVA11001_A01, and 89MVA15003_A01). The preparing activity is SASEBO with approval from S. Murakami (code S225) and concurrence from S. Morooka (code S231).