Johnson County Ionwave #2026-040

Johnson County Sunset Office Building Roof Replacement IFB

Johnson County, Kansas is seeking bids for a comprehensive roof replacement at the Sunset Office Building in Olathe, KS. - Government Buyer: - Public Building Commission of Johnson County, Kansas (Financial Management and Administration, Purchasing Division) - Project Scope: - Complete removal of existing roof membrane and damaged insulation - Installation of new insulation (2.5" polyisocyanurate board), 80 mil TPO roofing membrane (unbacked and fleece backed), and 5/8" DensDeck StormX Prime cover board - Installation of new sheet metal flashing and trim (22-gauge prefinished steel, 24-gauge TPO coated metal) - Roof accessories including Bilco Model S-50TB roof hatch with safety railing, equipment supports, plumbing vent pipe extensions (TUBOS), and aluminum access ladders (OKeeffes, Inc. models 503A and 521A) - Application of exterior silicone joint sealant (Pecora 890NST) - Roof storm drainage improvements (reuse/raise existing drains, accessories, couplings, insulation) - Removal and replacement of the lightning protection system, with a $49,139 fixed allowance for Preferred Lightning Protection and UL Master Label Certification - Notable Requirements: - Mandatory pre-bid conference and site visit for eligibility - Submission of a 5% bid bond, 100% performance and payment bonds, and insurance certificates - Compliance with FM and UL standards, local preference, and apprenticeship program policies - Two-year contractor warranty on roofing materials and workmanship - $20,000 owner's contingency allowance included - OEMs and Vendors: - Preferred Lightning Protection (specified for lightning protection system) - Bilco (roof hatch) - OKeeffes, Inc. (aluminum ladders) - Pecora (sealant) - No specific OEMs named for TPO membrane, insulation, or sheet metal, allowing for equivalent products meeting specifications

Description

This solicitation is an Invitation for Bid for the Johnson County Sunset Office Building Roof Replacement Project. The work includes removal of the existing roof membrane and associated components, removal of any damaged insulation, and installation of new insulation, membrane, and related components as detailed in the project drawings and specifications. Bids must be submitted electronically via IonWave by August 12, 2026, with a mandatory pre-bid conference and site visit held on July 28, 2026. The project requires a bid bond of 5% of the total bid amount and adherence to specified bonding and insurance requirements.

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