Rental of Temporary HVAC System w/ Exhaust Blowers & Heaters

The Portsmouth Naval Shipyard is seeking capable vendors to provide a temporary HVAC system with exhaust blowers and heaters under solicitation number N3904026Q3130, with a response deadline of July 6, 2026 at 8:00 AM EST. This is a sources sought notice, not a solicitation, and no pricing is required; vendors must submit company information including name, address, point of contact, CAGE code, and confirmation of small business status under NAICS code 532490. The anticipated start date for performance is September 2026, with the place of performance located at Portsmouth Naval Shipyard in Kittery, Maine. The system must comply with the detailed Statement of Work, which requires the provision of a triple coil HVAC unit, four industrial exhaust blowers meeting AMCA Standard 99-0401-86 Type C for spark-resistant construction, seven 150 kW electric fan coil heaters, two 230-ton chillers, two 600 GPM chilled water pumps, and 1,000 feet of 6-inch chilled water hose, all delivered fully assembled, charged, and in first-class operating condition. All equipment must be clearly labeled with project and specification identification numbers, uniquely tagged to distinguish it from shipyard assets, and marked with voltage and amperage requirements. The contractor must also provide comprehensive technical documentation including operations and maintenance manuals, equipment data sheets, hydrostatic test reports, flow meter calibration certificates, and preventative maintenance schedules. Compliance with federal standards such as A-A-59326 for cam action couplings and AHRI Standard 410 is mandatory. Vendors must complete the SOW Compliance Checklist, submitting brochures, assembly sketches with critical dimensions, tooling designs, and formal compliance statements, with any deviations clearly explained. Personnel accessing the facility must present two forms of identification, one proving U.S. citizenship, and may require a SECNAV 5512/1 form to obtain a DBIDS pass; only company-owned or leased vehicles with proper registration, safety inspection, CVIS pass, and visible contractor branding are permitted. The contractor will be responsible for start-up, commissioning, and training of shipyard personnel, with receipt inspection conducted by the Contracting Officer's Representative and final acceptance verified by the Portsmouth Naval Shipyard Equipment Manager.