2026 KCTC-E Greenhouse Roof Replacement

Kent Intermediate School District is soliciting sealed bids for the 2026 KCTC East Greenhouse Roof Replacement, with bids due November 23, 2026 at 1:00 p.m. Kent ISD enforces Michigan Public Act 431 and restricts bidding to Michigan-based businesses only. The project is located at 1655 E. Beltline Avenue NE, Grand Rapids, Michigan, within Kent County.

The scope covers removing existing glass roofing panels and installing polycarbonate twin-wall roofing on three adjoining gable greenhouses, each about 35 feet wide by 105 feet long. The work includes material procurement, demolition, installation, fastening, weatherproofing, and cleanup. Materials include approximately 108 sheets of 8mm clear twin-wall polycarbonate (71.25 inches by 20 feet), extrusions, glazing components, and hardware. Bidders must provide a 10-year manufacturer warranty on the panels and a minimum one-year contractor workmanship warranty. All assigned employees must pass a background check before starting work. Insurance requirements include statutory Workers' Compensation, $1 million per occurrence Comprehensive General Liability, $500,000 Comprehensive Business Automobile Liability, and contingent liability and property damage coverage naming Kent ISD as additional insured.

Bidders must submit material and labor pricing on the district's pricing sheet, along with a sworn and notarized Iran Economic Sanctions Affidavit, a sworn and notarized Familial Relationship Disclosure Statement, and a Certificate of Insurance. Kent ISD states it is not necessarily seeking the lowest bidder and reserves the right to accept or reject any or all bids. Payment is made upon completion of services. Failure to maintain quality standards may result in cancellation, with 30 days to remedy deficiencies, or credits applied to invoices. The project is scheduled for completion between July 1, 2026 and August 21, 2026, and the Kent ISD Board intends to award the contract at its December 14, 2026 meeting.