26-1065 2026 Sanitary Sewer Improvements - K Avenue, Blackhawk Street, M Avenue & Cherokee Street

The City of Sioux Falls is soliciting sealed bids for Bid Request No. 26-1065 to perform 2026 Sanitary Sewer Improvements along K Avenue, Blackhawk Street, M Avenue, and Cherokee Street in Sioux Falls, South Dakota. The procurement encompasses comprehensive sanitary sewer infrastructure upgrades including installation of sanitary sewer pipe (4" to 15" diameter), water main installation and relocation (4" to 16" C900 PVC), storm sewer construction, trenchless construction methods, grading, surfacing, seeding, landscaping, and erosion control across 166 line items with an estimated 2,210 cubic yards of excavation and 1,745 tons of asphalt concrete surfacing. The project will be funded through CIP No. 23001 with an estimated value of $1,733,672.60. Bidders must submit sealed bids electronically through the City of Sioux Falls' e-procurement portal (siouxfalls.bonfirehub.com) no later than 2:00 p.m. Central Time on April 2, 2026, with public bid opening at 3:00 p.m. at City Hall, 224 W. 9th Street, Sioux Falls, SD 57104. The project is divided into four phases with completion deadlines including Phase 1 by June 1, 2026, Phase 2A by October 2, 2026, Phase 2B within 15 working days of fence removal, and Phase 2C by October 2, 2026 or within 15 working days of closure, with substantial completion required by October 2, 2026, and final completion by November 13, 2026. Required qualifications include possession of a South Dakota State Sewer and Water Plumbing Contractor's License, vendor registration on the e-procurement platform, and submission of bid security consisting of either a bid bond equal to 10 percent of the bid amount or a certified check equal to 5 percent of the bid amount for bids exceeding $100,000.

The contract is subject to South Dakota preference requirements for materials and products found or produced within the state, except where federal funding applies. Performance and Payment Bonds are mandatory for all construction contracts totaling $100,000 or more, and contractors must maintain comprehensive insurance coverage including workers' compensation, commercial general liability of $1,000,000 per occurrence, and automobile liability of $1,000,000 combined single limit. Liquidated damages will apply for failure to meet phase completion deadlines, ranging from $450 to $650 per working day depending on the phase, with additional requirements for personnel working on South Dakota Air National Guard Airbase property, including background checks and security clearance verification. The contract is governed by the City of Sioux Falls General Conditions for Public Improvements and South Dakota Department of Transportation Standard Specifications, with all materials required to meet NSF/ANSI standards for potable water components. No incumbent contractors or disadvantaged enterprise set-asides are specified in this procurement, though the project includes provisions for specialized contractors experienced in trenchless construction methods including directional drilling, auger boring, and microtunneling. Interested bidders should contact Alex Welbig at 855-323-6342 or John Osman at 605-367-8640 for additional project information and clarification.