Invitation to Bid: Construction of ADA Sidewalks and Parking

Columbia School District is requesting sealed bids for construction of ADA sidewalks and parking at Columbia Central High School Athletic Fields in Brooklyn, Michigan, under IFB with electronic bids due October 6, 2026 at 2:00 p.m. Eastern via BuildingConnected, and a virtual public bid opening at 2:15 p.m. the same day. An optional in-person pre-bid meeting and site walk-through occurred September 22, 2026. Prevailing wages and Michigan contractor registration with the Wage and Hour Division are mandatory; all personnel must complete Columbia School District security and background checks.

The scope comprises two work categories submitted as a single lump-sum proposal: Earthwork & Site Utilities (01-31-01) and Site Concrete (01-32-01). Work includes ADA-compliant sidewalk and parking construction at the baseball and softball fields at 11775 Hewitt Road. Mandatory Alternate #2 specifies removal and replacement of two existing concrete slabs at the baseball field (south end, Cement City Road and Hewitt Road intersection) with 6 inches of 4,000 psi concrete and 6x6 W2.9xW2.9 WWF reinforcement; Earthwork & Site Utilities handles bleacher removal, slab demolition, and reinstallation, while Site Concrete handles bolting existing bleachers to new slabs. Technical specifications reference the 2021 Michigan Building Code, ICC A117.1 accessibility standards, NFPA codes, and ASHRAE energy standards, with detailed plans and specifications available through BuildingConnected via TMP Architecture. Bid security (bonds or certified checks for proposals under $50,000) is required.

Prequalification via TradeTapp is mandatory and must include company information, work-in-progress schedules, financial documents, three reference projects of similar size and complexity, project history with Granger Construction Company, the last three Worker's Compensation Experience Modification Ratings, and claim history or litigation documentation. Construction mobilizes October 19, 2026, with completion targeted October 19 through November 25, subject to Michigan State Plan Review approval and weather. Questions, pre-bid requests for information, and substitution requests are due by 5:00 p.m. Eastern October 2 via BuildingConnected to Mackenzie Brock at mbrock@grangerconstruction.com or 517-253-9352. Post-bid interviews are scheduled October 7–9, with subcontract award recommendation October 12 and notice to proceed October 13, 2026.