SOW.pdf

This is a Statement of Work (SOW) for the procurement of two complete media blasting systems by the Naval Surface Warfare Center, Indian Head Division (NSWC IHD), a Department of Defense Energetics Center.

The contractor must furnish and deliver one manual-operation media blasting cabinet system and one automated media blasting cabinet system, including all labor, materials, equipment, documentation, and support services. Both systems must meet common requirements including an emergency stop device, sound levels not exceeding 85 dBA at the operator position, and LED lighting. The manual system requires a work area of 50 inches wide by 39 inches deep by 43 inches high, steel cabinet construction, two full-opening access doors with safety interlocks, a centrifugal air-wash media recovery system (900 CFM nominal), a direct-pressure blast delivery system with a 2.0 cubic foot pressure vessel, a coupled blast hose with 3/4 inch internal diameter minimum, one baseline blast nozzle with 5/16 inch orifice, a reverse-pulse cartridge dust collector (900 CFM), and included options for wall protection curtains, secondary HEPA filtration, differential pressure monitoring, and a double-venturi nozzle. The automated system requires a 60 by 50 by 60 inch work envelope, maintenance doors on both ends, two vestibule doors, an indexing turntable with six satellite positions, eight automatic blast guns with eight #6 nozzles, 384 CFM compressed air requirement at 80 PSI, pneumatic media recovery (1200 CFM nominal), a cyclone separator, media and abrasive hoppers, a downflow cartridge dust collector (1200 CFM nominal), a 5 hp exhaust motor, secondary HEPA filtration, automated pulse-cleaning controls, an industrial-rated control panel, 480/240 VAC three-phase 60 Hz power supply, an industrial programmable logic controller with Ethernet connectivity, a color touch operator interface, recipe-based parameter control capability, and an included automatic media replenishment system.

The contractor must provide comprehensive documentation including general arrangement drawings, electrical schematics and load requirements, pneumatic documentation with supply specifications, utility and hook-up requirements, parts lists with recommended spares, and troubleshooting guidance. For the manual system, the contractor shall provide on-site start-up support and operator training covering system operation, safe operation, parameter adjustment, routine maintenance, filter changes, and troubleshooting. For the automated system, the contractor must conduct a factory verification run-off at its facility for one workday and provide two workdays of on-site start-up supervision including system operation verification and maintenance procedures review. The contractor shall provide a minimum one-year warranty from Government acceptance covering defects in materials and workmanship, including parts, labor, and transportation for repairs or replacements. A recommended preventive maintenance plan and schedule must be included for each system, detailing maintenance tasks, frequencies, required tools and supplies, acceptance criteria, wear item replacement intervals, and dust collector service guidance. The contractor is responsible for shipping container design, packing materials, and freight to the Government delivery destination as part of the contract price. Government-excluded scope items include part fixturing, site preparation, foundation work, equipment installation, and interconnecting utilities and materials. Inspection and acceptance will be completed within fifteen working days of receiving all deliverables, with the Government notifying the contractor of any nonconformities within thirty working days and the contractor responding with recommended disposition within five working days. Delivery shall be made upon contract award.