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Dept of Natural Resources·Wisconsin

Roof Replacement

Closes in 4 days$150k – $600kInvitation for Bid
Get bids like this by emailBid source

Description

The City of Green Bay is seeking qualified roofing contractors to replace the roof on its municipal building at 401 9th Street. The scope includes removal of existing EPDM roofing, installation of new insulation, and construction of a modified built‑up roof system for Sections 1 & 2, plus a choice between a standing‑seam metal roof or an asphalt‑shingle roof for Section 3. Bidders must submit separate lump‑sum prices for each roof section and provide references, insurance certificates, and a completed bid package by the deadline. The project will be performed under a fixed‑price, not‑to‑exceed contract, with all labor, materials, disposal, and warranty obligations included. • Location: 401 9th Street, Green Bay, WI 54304 • Contract type: Fixed‑price, not‑to‑exceed, lump‑sum (RFB) • Required deliverables: Modified bitumen roof for Sections 1 & 2; optional standing‑seam metal or asphalt‑shingle roof for Section 3 • Submission deadline: 11 May 2026 02:00 PM CST (electronic via DemandStar and hard copy) • Pre‑bid/site‑visit: Schedule with Ronda Bitney (1‑920‑448‑3354) if needed • Mandatory documentation: Forms A‑E, insurance certificates, three references, subcontractor list • Warranty: Manufacturer’s installation instructions and warranty documentation required • Insurance: Minimum $1 M commercial general liability, $1 M auto, workers’ comp, professional liability as detailed in the contract.

Attached files

Contact

Thomas Walenski(Purchasing Department)

[email protected]

(920) 448-3048

Key dates

Opened
10/14/2026
Questions due
10/28/2026
Closes
11/5/2026

Last updated

Details

Type
Invitation for Bid
Industry
Construction
NAICS
238160
Solicitation №
2026-33

Budget estimate

$150,000 – $600,000

Based on typical municipal roof replacement costs for a medium‑size commercial building (≈30,000‑50,000 sq ft) and the dual‑option scope (modified bitumen plus either metal or shingle), the total contract value is likely to fall between $150,000 and $600,000. The lower bound reflects a basic bitumen system with minimal alternates; the upper bound accounts for higher‑end metal roofing, extensive insulation, and comprehensive warranty/insurance requirements. Factors influencing the final amount include square footage, selected roof material, disposal fees, and any unforeseen site conditions discovered during the pre‑bid inspection.

AI estimate from the solicitation

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