Job Specification Summary

This is a Job Specification document for cargo fuel tank cleaning and gas-freeing work on the CFAS DFSP vessel (YON-305). The work involves cleaning six diesel fuel oil cargo tanks (S-1, P-1, S-2, P-2, S-3, and P-3) with capacities ranging from 25,899 to 34,695 gallons, located throughout the fuel oil barge. The anticipated award date is July 1, 2026, with a Period of Performance (POP) from July 22, 2026 through December 31, 2026. The production completion date is November 18, 2026, and the job is valued at $300-$900. The preparing activity is SASEBO, with preparation completed on April 9, 2025.

Key work requirements include opening, ventilating, gas-freeing, emptying, cleaning, and maintaining each tank in a dry condition while rendering it void and/or cofferdam throughout the performance period. Contractors must ensure harmful vapors, fumes, and mist are ventilated to the vessel exterior, remove and dispose of waste liquid not stored for reuse, inspect piping and hose alignments, and conduct periodic walkthroughs for leak detection. Visual inspection of all tanks, voids, and cofferdams is required prior to final closure, with documentation of personnel present during inspection and closure. All manhole covers must be installed with new gaskets and fasteners. The supervisor will provide waste liquid conveyance, and contractors must coordinate off-loading through the ship's Damage Control Assistant and maintain communication with SRF-JRMC for environmental compliance.