Wastewater Treatment Plant South Clarifier Rehabilitation

The City of Craig, Colorado is requesting sealed bids for wastewater treatment plant South Clarifier rehabilitation under IFB format, with bids due July 7, 2026 at 11:00 a.m. and a mandatory pre-bid conference on June 29, 2026 at 11:00 a.m. on-site at 2301 West 1st Street.

The scope includes cleaning, surface preparation, and recoating of immersed and non-immersed steel components—inlet trough pipes, drive assemblies, sludge collectors, bridge assemblies, handrailing, stairs, and floor plates. Work also encompasses removal and reinstallation of weir trough teeth with new stainless steel fasteners, replacement of deteriorated grout under bridge support base plates, and replacement of sheared or deteriorated anchor bolts. Bidders must demonstrate relevant experience with at least three similar projects completed within the past five years and provide three references.

Pricing is lump-sum for mobilization/demobilization, immersed steel components, and non-immersed steel components, with unit pricing for bridge assembly supports. A bid alternate for concrete crack injection is offered on a linear foot basis. Bids greater than $50,000 require a bid bond of five percent of the total bid amount; performance and payment bonds, each equal to 100 percent of the contract price, are required upon award.

The contractor must commence work by July 20, 2026, achieve substantial completion by August 28, 2026, and final completion by September 11, 2026. The successful bidder must execute the agreement and obtain all required bonds within ten calendar days of Notice of Award, with Notice to Proceed issued within ten days of agreement execution.

Commercial general liability insurance of $1,000,000 per occurrence/$2,000,000 aggregate, statutory workers' compensation, and $1,000,000 automobile liability are required. Award will be made to the lowest responsive and responsible bidder. Written questions are due by 5:00 p.m. on June 30, 2026, with responses issued as an addendum by July 2, 2026. The project is exempt from sales tax.