Johnson County Sunset Office Building Roof Replacement Project

Sealed bids for the Johnson County Sunset Office Building Roof Replacement Project are being solicited under Request No. 2026-040 and must be submitted electronically through the IonWave portal by 8:00 PM CT on August 12, 2026. The project involves the complete removal of the existing roof membrane and associated components, including damaged insulation, and the installation of new insulation, membrane, and all related assembly components as detailed in the project drawings and specifications. A mandatory pre-bid conference and site visit is scheduled for July 28, 2026, at 9:00 AM CT at the Sunset Office Building located at 11811 S. Sunset Drive, Olathe, Kansas. All bidders must be general or prime contractors and are required to submit a bid bond equal to five percent of the bid amount, payable to the Public Building Commission of Johnson County, Kansas, with no bid withdrawal permitted within 60 days of bid opening. Technical questions must be submitted via IonWave no later than August 5, 2026, to allow for potential addenda. Bidders must also provide proof of insurance meeting specific requirements including naming Johnson County as an additional insured, waiver of subrogation, a self-insured retention not exceeding $250,000 without approval, and umbrella coverage of at least $2 million. Performance and statutory bonds at 100 percent of the contract sum are required upon award, with the statutory bond filed with the Johnson County District Court Clerk. Bidders must be registered and in good standing with the Kansas Secretary of State, certified as not debarred under Executive Order 12549, and if the contract exceeds $150,000, must provide CORE4 Tax Clearance from four local jurisdictions. Local business preference, participation in registered apprenticeship programs, or ownership by individuals with disabilities or veterans may serve as tie-breaking criteria. All materials must be stored in original sealed containers with manufacturer labeling and meet specified industry standards including ASTM, FM, OSHA, SMACNA, and NRCA. Work is to be performed on-site with no use of building restrooms and water access restricted to exterior sources only. Compliance with NFPA 241 and NFPA 70E is mandatory. The contract is structured as a stipulated sum, implying a firm fixed price, with no formal CLIN or ELIN pricing structure disclosed, though two allowances are