89NSC85014R_00_A01.pdf

This is a Job Specification document for a federal maintenance contract covering cargo fuel tank cleaning and gas-freeing work on the CFAS DFSP vessel (YON-290).

The work involves cleaning and gas-freeing six cargo fuel oil 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 work performance spanning from July 22, 2026 through December 31, 2026, and a production completion deadline of November 18, 2026. The contract is identified by ICN 89NSC8506-R and associated with contract number DFSP-0002. Primary technical requirements include accomplishing ENCLOSURE (T) cleaning specifications for each cargo tank using referenced standard S1602-860100 for hinged manhole guidance, and meeting 009-32 surface preservation requirements to match surrounding areas. Work scope encompasses opening, ventilating, gas-freeing, emptying, cleaning, and maintaining each tank throughout performance, including removal and disposal of waste liquids through government-provided conveyances, periodic piping and hose inspections for leaks, and visual inspection of tanks prior to final closure with new gaskets and fasteners. The contract notes that booklets of general plans and tank sounding tables are available for supervisor review, and the supervisor will provide waste liquid conveyance for work accomplishment. No government-furnished material is provided to the contractor.