Cedar Rapids Ionwave #PUR0926-084 Addendum 1

Fabrication and installation of 24 roof curbs for City of Cedar Rapids drone-dock sites

The City of Cedar Rapids is seeking a contractor to fabricate and install roof curbs for drone-dock sites at four municipal facilities. - Buyer: City of Cedar Rapids, Facilities Maintenance Services Division; Purchasing Services handles the solicitation. - Scope: Fabricate and install 24 roof curbs, six at each of the Police Department, Noelridge Greenhouse, Cedar Rapids Public Library–Busse Branch, and Animal Care & Control. Bidders price each location separately as a lump sum. - Key specifications: Contractor-furnished cold-formed steel curbs must be at least 18 gauge with a minimum yield strength of 33 ksi. Installation must follow the structural details, meet the 160-mph design wind speed, center curbs between bar joists, and preserve the existing roof warranty. Verify existing conditions and roof adequacy, and coordinate placement with City staff. - Fasteners: Use Simpson Strong-Tie #14 self-drilling E metal screws or an approved equal, spaced no more than six inches on center. - Contractor responsibilities include labor, materials, tools and equipment, coordination, required permits, cleanup, and off-site construction-waste disposal. The City waives construction permit fees. - OEMs named: Simpson Strong-Tie, specified for fasteners, and Skydio, whose drone-dock readiness guide is included as reference material. The Skydio drone, dock, radio, cloud organization, and related services listed in that guide are not identified as items for purchase under this solicitation. - Other notable terms: The initial contract runs from execution through its stated term and may be extended by written mutual agreement. Payment and performance bonds, each equal to the contract price, are required of the awarded contractor.

Description

The City of Cedar Rapids Facilities Maintenance Services Division is requesting bids to fabricate and install 24 roof curbs across four City facilities: the Police Department, Noelridge Greenhouse, Busse Library Branch, and Animal Care & Control. The contractor furnishes the curbs, which must meet the structural details, including cold-formed steel at least 18 gauge with a minimum yield strength of 33 ksi. Work includes coordinating curb placement with City staff and maintaining the existing roof warranty; the contractor is responsible for permits, labor, equipment, and construction waste removal. Sealed bids must be submitted electronically through the City’s E-Procurement portal by October 20, 2026, at 3:00 PM CT.

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