Opportunity
North Dakota Bismarck Civic Plus #1372
Bismarck Water Treatment Sludge Plant low-slope reroofing
Posted
October 01, 2026
Respond By
October 22, 2026
Identifier
1372
NAICS
238160
The City of Bismarck is seeking bids to replace low-slope roofing at its Water Treatment Sludge Plant. - Government buyer: City of Bismarck; no sub-agency or office is identified. - Project: Water Treatment Sludge Plant Re-Roof Project, designed by The Origin Group (Project #1011-14). The Origin Group is identified as the project designer, not as a roofing manufacturer or supplier. - Scope and areas: Remove existing roofing and insulation, then install new roofing assemblies in four areas totaling 17,507 square feet. - Area A — Base Bid: 7,814 sq. ft.; tapered polyiso insulation, vapor barrier, coverboard, and ballasted EPDM roofing. - Area B — Alternate No. 1: 2,786 sq. ft.; two layers of polyiso installed with low-rise foam adhesive, vapor barrier, coverboard, and adhered EPDM roofing. - Area C — Alternate No. 2: 2,437 sq. ft.; two layers of polyiso installed with low-rise foam adhesive, vapor barrier, coverboard, and adhered EPDM roofing. - Area D — Base Bid: 4,470 sq. ft.; two layers of polyiso insulation, vapor barrier, coverboard, and ballasted EPDM roofing. - Notable requirements: Verify concrete roof-deck joints and provide supplemental sealing from above. Sealing the underside of the deck joints is excluded from this roofing work and will be handled under a separate Owner agreement. - Manufacturers and products: No roofing OEMs, brands, or part numbers are specified. EPDM is the requested roofing material.
Description
The City of Bismarck is soliciting single-prime bids for the Water Treatment Sludge Plant Reroof Project. The work includes removing and replacing low-slope roofing systems in four areas, with base bids for Areas A and D and alternates for Areas B and C. Work also includes verification and supplemental topside sealing of concrete roof deck joints; underside deck joint sealing is provided by the Owner under a separate agreement and is excluded. Substantial completion is required by June 30, 2027.