Tri River Building Rooftop HVAC Unit Replacements

Mesa County is soliciting proposals from Qualified Mechanical Contractors or General Contractors for removal and replacement of two gas-fired rooftop HVAC units at the Tri River building (2775 US-50, Grand Junction, Colorado) under an RFP, with proposals due September 24, 2026 at 2:00 PM Mountain Time and a mandatory site visit on September 9, 2026 at 10:00 AM Mountain Time.

The scope requires furnishing all labor, supervision, equipment, materials, permits, crane and rigging services, transportation, and disposal for one-for-one replacement of existing rooftop units with new units utilizing new adapter curbs. Existing natural gas and electrical services must be maintained and reconnected. Work must include startup, testing and balancing by qualified independent firms, and comprehensive documentation prior to final acceptance. Pricing is submitted as a firm fixed-price lump sum base bid covering both rooftop terminal units, all mechanical work, electrical coordination, gas connections, controls, weatherproofing, and incidentals. Mesa County is exempt from sales and use taxes under Colorado Tax Exempt Number 98-04241; quoted prices must exclude taxes.

The selected contractor must obtain Payment and Performance Bonds at 100% of contract value within seven calendar days of award and provide proof of all required licensing and permits prior to work commencement. Insurance requirements include Workers' Compensation, General Liability, Comprehensive Automobile Liability, and Professional Liability with minimum limits of one million dollars each. A five percent retainage will be withheld on all invoices, with final payment released after a thirty-day lien advertisement period. The evaluation period runs September 25–29, 2026, with contract execution anticipated in October 2026. Funding has been approved by the Board of County Commissioners; all contract obligations are subject to continuing appropriation of funds. Proposals must be submitted through the Rocky Mountain E-Purchasing System (RMEPS).