Douglas County Ionwave #CO-2026-0026 Addendum 1

Douglas County Solicits Bids for Elk City Drive Bridge Replacement (Box Culvert Construction)

Douglas County is seeking qualified contractors for the Elk City Drive Bridge Replacement (Project No. C-28(609)), a major infrastructure project involving a reinforced concrete box culvert. - Government Buyer: - Douglas County Purchasing Department, managed by the Douglas County Engineer's Office - Nebraska Department of Transportation (NDOT) Bridge Division is also involved - Scope of Work: - Replacement of the existing bridge with a single-span, 10'x8'x72' reinforced concrete box culvert (45-degree skew) - Grading, excavation (on-site, haul-off, unsuitable material removal), and site preparation - Installation of reinforcing steel (16,679 lbs), Class 47B-4000 and 3000 concrete (112 and 13 CY), base course, crushed rock surface course, geogrid biaxial, and pipe railing - Erosion control measures: Type 1D, seeding (Type II), erosion checks (wattle), fabric silt fence, concrete tied block mat, mulch, erosion control blankets, and bluegrass sod - Removal and reinstallation of signs, removal of structures, fences (600 LF), large trees (44), and culverts (17 LF) - Installation of barbed wire fencing (272 LF) - Products/Services Requested: - All materials and labor for bridge and culvert construction, erosion control, traffic control, and site restoration - Seed mixes (Type I, II, III) with specified purity and application rates - Unique/Notable Requirements: - Compliance with Nebraska Employee Classification Act and Fair Labor Standards - Bid bond (5% of bid if $70,000+), performance bond (100% of contract), and insurance certificates required - Adherence to AASHTO LRFD and ASTM standards for materials and construction - Liquidated damages of $2,000 per day for delays - All bidders must be able to supply and install specified materials and meet technical standards - No specific OEMs are named; opportunity is open to qualified civil contractors and suppliers of construction materials meeting technical specifications.

Description

Douglas County is soliciting bids for the Elk City Drive Bridge project, which involves the replacement of a box culvert bridge including grading, reinforced concrete box culvert construction, and erosion control. The project requires qualified contractors to perform all work and provide goods as specified in the bid documents. Bidders must submit a bid bond or acceptable substitute, and the original must be delivered within seven days of the bid closing. The bid closing date is August 19, 2026, and questions must be submitted by August 13, 2026.

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