89MVA11001_00_A01.pdf

This is a Job Specification document for underwater hull and freeboard repair and preservation work on Barge YON-285, a 165-foot fuel oil barge with a 40-foot beam and 11-foot 6-inch depth. The work is to be performed in dry-berthing at the facility, with an anticipated award date of July 31, 2026, a production completion date of February 2, 2027, and a POP start date of September 28, 2026.

The scope of work includes removing marine growth and cleaning the entire underwater hull using fresh water; steam cleaning areas where preservative removal is required; removing and reinstalling synthetic rubber fenders with new CRES fasteners; conducting visual inspection of shell plate for deterioration, pitting, cracks, and damage; removing and fabricating new shell plate (300 SF total) from 3/8-inch mild steel plate conforming to ABS Grade A; veeing out and welding damaged seams and butts (100 LF); grinding out and building up pitted surfaces (10 SF); performing preservation work on 15,000 SF of underwater hull, boottop, and freeboard areas including steel pipe fender exterior surface with synthetic rubber fender foundation; applying hull designations; and documenting all preservation data. Government-furnished materials include cork and rubber sheets, welding electrodes, steel plates of various thicknesses, and rust preservation compound. The contractor is responsible for waste disposal in accordance with Japanese Environmental Governing Standards and must coordinate tank cleaning operations through the ICN 89MVA12301_A01. Marine chemist certification and nondestructive testing are required for all welding work.