Removal and Installation of Cambridge M118 Air Unit at Clarifier Building

The City of Grand Junction, Colorado is requesting competitive bids for removal of the existing Cambridge M118 Air Handling Unit and installation of a new Cambridge M118 unit at the Clarifier Building, Persigo Wastewater Treatment Plant, with bids due October 1, 2026 at 2:00 p.m. through the Rocky Mountain E-Purchasing System (RMEPS).

The scope encompasses all labor, equipment, materials, ductwork installation (interior and exterior with insulation), natural gas piping routed approximately 15 feet from the meter using 1-inch NPT piping, electrical and thermostat control wiring and conduit routed approximately 20 feet, startup, and validation services. The new unit must be equipped with 460V/3PH/60HZ electrical system, natural gas firing capability, MERV8 filter bank, integral non-fused disconnect switch, remote control station with electronic operating thermostat, 14-inch curb, and a full two-year parts warranty with five-year burner warranty. Pricing must be submitted as a lump sum inclusive of all labor, equipment, supplies, materials, freight (F.O.B. Destination, pre-paid and allowed), travel, mobilization, fuel, setup and takedown, full-time inspection, and all other completion costs. The City is exempt from state, county, municipal, and federal excise taxes; tax should not be included in the bid.

A bid guaranty of not less than 5 percent of the total bid amount is required (certified or cashier's check, or bid bond from approved corporate surety). Upon award, the contractor must furnish performance and payment bonds each equal to the contract amount. The contractor is responsible for securing all permits and governmental fees. Liquidated damages are $500 per day for failure to achieve final completion by December 31, 2026. A 5 percent retainage will be held from partial payments until final completion. Payment terms are Net 30 days.

The non-mandatory pre-bid site meeting is September 15, 2026 at 10:00 a.m. at the Persigo Training Room. Questions are due September 21, 2026 at 5:00 p.m., with anticipated addendum posting September 23. Work must commence within 30 calendar days from Notice to Proceed, anticipated upon receipt of the new unit (delivery expected October 19, 2026). Notice of Award is anticipated October 5, 2026, with bonding and insurance certificates due October 12.