GRPS CA Frost Boiler Replacement Ad to Bid.pdf

This is a Request for Proposals issued by Grand Rapids Public Schools for general contracting services to replace an existing cast iron sectional hot water boiler with two new Viessman high efficiency boilers at C.A. Frost Middle High School, located at 1417 Covell Avenue NW, Grand Rapids, Michigan. The scope of work includes demolition, disposal, concrete pad work, piping, pumps, air intakes, flues, associated roofing work, electrical controls, and all related work to ensure a complete functioning system, with the contractor responsible for factory start-up, testing, and balancing. Bid documents became available for electronic download on May 26, 2026 at 2:00 p.m. through the GRPS Bonfire website. A non-mandatory pre-bid meeting was scheduled for May 28, 2026 at 3:30 p.m. on site at C.A. Frost Middle High School. Proposals were due on June 9, 2026 at 1:00 p.m. via the GRPS Bonfire Site. The selection timeline included interviews on June 10, 2026, selection and recommendation on June 12, 2026, finance approval on June 22, 2026, and board approval on July 13, 2026.

The successful bidder will act as the Owner's General Contractor of record under an AIA A105-2017 Standard Short Form Agreement. The project specifications include replacement of an existing Smith cast iron boiler (1,985 MBH output) with new boiler equipment, new system pumps rated at 250 GPM each, a hydraulic separator, pressure relief valves, a condensation neutralization tank, and associated piping and controls. The design incorporates elevated-pressure natural gas piping with two new gas regulators, relocation of existing hot water return piping, revised boiler stacks and combustion air routing, new concrete pad and stainless steel flue stack, and PVC combustion air intake. Mechanical design drawings at scales of 3/8" = 1'-0" and 1/2" = 1'-0" document specifications, with Addendum 1 issued on June 2, 2026 revising mechanical floor plans, boiler piping schematic, roof penetration locations, and the mechanical equipment list. No contract value, term, or specific evaluation criteria were specified in the available source material.