Middle School Gym Rooftop Unit Replacement

Carrollton Public Schools in Saginaw County, Michigan is requesting proposals for complete removal and replacement of the rooftop unit serving the middle school gymnasium, with sealed bids due June 18, 2026 at 11:00 a.m. and a pre-bid meeting scheduled for June 10, 2026 at 11:00 a.m. at the middle school main office.

The scope is furnishing and installing one new 20-ton Trane Precedent RTU (Model YSK240A4S0H) with all labor, materials, equipment, permits, and coordination for full operational delivery and code compliance. Work includes removal and disposal of the existing RUUD unit; roof protection and asphalt work for crane lifting; structural support evaluation and modifications; mechanical and structural engineering as necessary; testing and commissioning; controls and electrical work; ductwork modifications and gas hookups; roof repairs by certified installers; duct insulation; permits and inspections; professional startup and training; code compliance modifications; and duct detector installation with integration into the existing fire panel. The project must be completed during summer vacation with substantial completion by August 7, 2026; all crane lifts and disruptive activities are scheduled on non-school days.

Bid prices are firm through contract completion. Bids exceeding $50,000 require a 5% bid bond or certified check, plus performance and labor/material payment bonds at the same percentage. Bidders must submit one original signed proposal plus two complete copies with Familial Relationship Disclosure Statement, Iran Linked Business Affidavit, and Legislation Certification. Federal, state, and local sales and use taxes are excluded from the bid price. The project is subject to prevailing wage requirements. All work carries a twelve-month warranty from substantial completion unless longer warranties are specified in contract documents. Payment occurs thirty days after work completion and acceptance, with invoicing required within thirty days of completion.