Water Treatment Sludge Plant Reroof

The City of Bismarck is seeking a single-prime contractor to remove and replace low-slope EPDM roofing systems at its Water Treatment Sludge Plant, including insulation, coverboards, vapor barriers, and deck-joint sealing.

City of Bismarck


General
Open
IFB - Water Treatment Sludge Plant Reroof
Oct 22, 2026 08:00 PM
Oct 01, 2026 04:00 AM
Invitation for/to Bid (IFB/ITB)
Local
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Contact
thuffaker@engtechnd.com
+17012587077
1016 Leavenworth Street, Omaha, NE, USA
Submission Instructions
Mail
City Administrator, P.O. Box 5503, Bismarck, ND 58506-5503
Bid Security, North Dakota Contractor's License or Certificate of Renewal

or

Hand delivery
Completed Bid Form
Description

The City of Bismarck is soliciting single-prime bids for reroofing its Water Treatment Sludge Plant. The work includes removal and replacement of existing low-slope adhered and ballasted EPDM roofing systems, removal of existing insulation, verification and supplemental topside sealing of concrete roof deck joints, and installation of new roofing assemblies with vapor barriers, tapered or multiple layers of polyiso insulation, coverboards, and adhered or ballasted EPDM membranes. The project includes base-bid work in Areas A and D and two alternate areas, B and C. Underside deck-joint sealing is furnished separately by the Owner. Bids must include a five-percent bid bond and a current North Dakota contractor's license or certificate of renewal. The successful bidder must furnish performance and payment bonds. Substantial completion is required by June 30, 2027.

Classification Codes
NAICS238160Roofing Contractors
PSC5650Roofing and Siding Materials
Smart Codes
commercial reroofingepdm roofing systemsroof insulation installation
Specifications
Supply & Service
Timeline
Oct 1, 2026-Bid Documents Available
Oct 08, 2026 07:00 PM-Pre-Bid Meeting (optional)
On-site meeting; attendance is non-mandatory but highly encouraged.
Oct 22, 2026 08:00 PM-Bid Submission Deadline
Oct 22, 2026 09:00 PM-Public Bid Opening (optional)
Bids will be publicly opened and read aloud.
Jun 30, 2027-Substantial Completion
Requirements
Required
  • Bid Bond — 5%
  • Payment Bond
  • Performance Bond
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