Sewer Extension Redesign Gowen Service District

The City of Boise Department of Public Works is requesting bids for sewer extension redesign and construction in the Gowen Service District near W. Harvard Street and S. Northrup Street under Sourcing Event #FB-2026-090, with bids due September 25, 2026. Bidders must hold a valid Idaho Public Works Contractors License and name all plumbing, heating, air-conditioning, and electrical subcontractors with their respective license numbers in the bid submission.

The scope includes construction of approximately 904 linear feet of 18-inch diameter, 777 linear feet of 10-inch diameter, and 2,450 linear feet of 8-inch diameter gravity sewer main pipe; installation of new manholes and concrete end plugs; sewer service lines; surface restoration; exploratory excavation; closed-circuit television inspection; and related ancillary work. One lane of W. Harvard Street must remain open at all times during construction. The project is located in Ada County, Idaho.

Work must reach Substantial Completion within 130 calendar days of the Notice to Proceed and full completion within 135 calendar days. Liquidated damages are assessed at $500 per day for failure to achieve Substantial Completion and $250 per day thereafter. Three milestones are identified, including surface restoration at W. Gowen Street and S. Orchard Street by November 15, 2026, and W. Gowen Road/W. Harvard Street paving prior to northbound construction on S. Northrup Street.

The contract will be awarded on a lump sum and unit price basis to the responsible bidder submitting the lowest responsive bid. Bid security equal to 5 percent of the maximum bid price is required. Performance and payment bonds are required. Retainage is set at 5 percent of progress payments until Substantial Completion, with 95 percent of completed work value payable upon Substantial Completion. Final payment is due within 45 calendar days after receipt of a release letter from the Idaho State Tax Commission. Bids remain subject to acceptance for 60 days after bid opening, with award anticipated within one month.

Site visits must be requested through JAGGAER no later than seven working days prior to bid opening. Bids must be submitted electronically through JAGGAER.