2026-04-07_08-17-05.png

This is an Invitation to Bid (ITB #26-026) issued by the Kenton County Airport Board for the design and furnishing of coarse bubbler aeration equipment to replace the existing fine bubbler system in two digester tanks at Cincinnati/Northern Kentucky International Airport. The project scope includes supplying complete aeration systems with coarse bubble diffusers, diffuser mounting assemblies, air distribution manifolds constructed of Type 304 stainless steel, drop pipes, fittings, supports, and connection components for both tanks, with an optional alternate for contractor-provided installation services. A mandatory pre-bid meeting and site visit will be held on Thursday, April 23, 2026 at 10:00 am at CVG Centre Administrative Offices, 77 Comair Boulevard, Erlanger, Kentucky 41018. Written questions must be submitted by 11:59 pm on Monday, April 27, 2026, with responses posted no later than 11:59 pm on Thursday, April 30, 2026. Sealed bids are due by Thursday, May 7, 2026 at 2:00 pm Eastern Time through the KCAB online bidding portal, with bids remaining valid for a minimum of 120 days from the closing date. Equipment delivery is required within 24 weeks of design approval, with an anticipated board approval date of May 26, 2026 and construction completion targeted for November 1, 2026.

The total appropriations request is $639,000.00, comprising $551,000.00 for equipment costs and $88,000.00 for construction and installation costs including a 20 percent vendor contingency, with pricing required to be firm fixed, all-inclusive, and delivered FOB Cincinnati/Northern Kentucky International Airport. This federally funded project is subject to FAA requirements and mandates compliance with multiple federal regulations including Buy American preferences, Disadvantaged Business Enterprise (DBE) participation goals, Davis-Bacon prevailing wage requirements if installation services are included, Executive Order 11246 requirements, and civil rights compliance. Bidders must submit a bid bond of 10 percent of the proposed contract amount, a performance bond of 100 percent of the contract amount, and a payment bond of 100 percent of the contract amount from a surety company rated at least "A" by Best Insurance Reports. Equipment manufacturers must demonstrate a minimum of five years of documented experience producing similar coarse bubble aeration equipment and provide evidence of at least three similar installations. Required certifications include Non-Debarment or Suspension, Buy American, Disclosure of Lobbying Activities, Worker's Compensation Affidavit, Tax Delinquency and Felony Convictions, and Domestic Preferences Certifications. Liquidated damages are assessed at 1 percent of the purchase price per day of delay, with termination rights available after 60 days of non-compliance.