# Boone County Ionwave #38-01OCT26 Addendum 2

Boone County Annex Air-Handling Unit and HVAC Equipment Replacement

**Posted:** September 11, 2026
**Respond By:** October 08, 2026
**Identifier:** 38-01OCT26 Addendum 2
**NAICS:** 238220

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.

[View original listing](https://bocomobids.ionwave.net/PublicDetail.aspx?bidID=700&SourceType=1)