Boone County Ionwave #38-01OCT26 Addendum 2

Boone County Annex Air-Handling Unit and HVAC Equipment Replacement

Boone County, Missouri, is seeking a contractor to replace the air-handling equipment at its Boone County Annex in Columbia. - Government buyer: Boone County Commission, Boone County, Missouri; Purchasing Department / Boone County Purchasing. - Scope: Remove and dispose of the existing Trane air-handling unit, furnish and install replacement HVAC equipment, and test the completed system. - OEMs and alternatives: The revised equipment schedule specifies Carrier equipment, with Ruud, Lennox, York, or an approved equal allowed as alternatives. Trane is identified as the maker of the existing unit being removed. - Equipment and quantities: The revised schedule lists two F1 furnace/condensing units and one C1 furnace/condensing unit. Separate equipment details identify one furnace, model 59SC6A100M211120, and one condensing unit, model 26SPA660W003; confirm the final equipment configuration against the plans because the schedule summaries do not fully reconcile. - F1 schedule: 100,000 BTU heating input, 97,000 BTU output, and scheduled cooling capacity of 120,000 BTU total; 2,000 CFM at 0.5-inch static pressure. - C1 schedule: 208/3 electrical service and a 60A, 3-pole breaker connection. - Separate model details: 50,000 BTU air-cooled condenser, listed at 16.8 SEER. - Other specified equipment: Programmable thermostat(s), low-ambient kit(s) for operation at 0°F, 16 SEER2 equipment requirement, twinning kit, AUTOCLEAN 1560 plasma air ionization device(s), and a 6-inch motorized fresh-air damper balanced to 150 CFM and interlocked with exhaust fans. The ionization device is to be installed on the return side; the unit fan is to run during occupied hours. - Installation requirements: Coordinate connections to existing ductwork, thermostat, electrical, fresh-air ductwork, gas piping, refrigerant piping, and condensate drainage as shown in the plans. Complete installation, testing, and commissioning. - Notable contract requirements: Prevailing-wage requirements apply to bids over $75,000; performance and payment bonds and OSHA training compliance are required. Liquidated damages are $500 per day for delays beyond the required completion deadline.

Description

Boone County is seeking bids to dismantle and dispose of the existing Trane Air Handling Unit at the Boone County Annex and replace it with a new Air Handling Unit. The work includes complete installation and testing in accordance with the requirements, specifications, terms, and Bid Plans. The bid invitation lists a lump-sum bid and requires bidders to submit the requested bid response documents, including Bid Forms, certifications, qualifications, and bid bonds. Addendum 2 sets the bid deadline to October 8, 2026, at 11:30 a.m. Central Time.

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