Repair Marioff High Pressure Mist System at Yosemite Valley Museum

The National Park Service at Yosemite National Park is seeking a contractor to repair the Marioff high-pressure mist system at the Yosemite Valley Museum/District Ranger Office in Mariposa County, California. The firm fixed price contract requires the contractor to provide comprehensive services including mobilization, labor, supervision, materials, equipment, transportation, and site rehabilitation for the fire suppression system. Specific work includes replacing a GPU6D/B nitrogen-driven high-pressure fire pump, a TJ4362T nitrogen-driven jockey pump, high-pressure rubber flex lines, hydro testing and refilling 24 nitrogen bottles, and completing a system annual inspection with a California NFPA report. Award selection will be based on a comparative evaluation considering both price and non-price factors such as technical capability and past performance. The Request for Quote (RFQ) is expected to be available on SAM.gov around July 11, 2025, with quotes due 30 days after the RFQ issuance, and prospective offerors must maintain an active SAM registration to be considered eligible.

This procurement is designated as a Total Small Business set-aside under NAICS code 238220 (Plumbing, Heating, and Air-Conditioning Contractors) with a small business size standard of $19.0 million in annual receipts. The construction project is valued between $100,000 and $250,000, indicating a mid-range contract value for specialized fire suppression system work. The work involves technical repairs to critical fire safety equipment, requiring specialized knowledge of Marioff high-pressure mist systems and nitrogen-driven pump technology. The contractor will be responsible for ensuring the fire suppression system meets current safety standards through comprehensive testing and certification. The 30-day response period following RFQ release provides contractors with adequate time to prepare detailed technical and price proposals for this specialized fire protection system repair project.