Sarpy County Ionwave #2026-389 Addendum 1

Sarpy County and City of Omaha Seek Contractors for Schram Road and 156th Street Roadway Improvements

Sarpy County Public Works and the City of Omaha are seeking qualified contractors for major roadway improvements on Schram Road (between 156th and 168th Streets) and adjacent areas in Sarpy County, Nebraska. - Government Buyers: - Sarpy County Public Works Department (lead) - City of Omaha (partner agency) - Sarpy County Purchasing Department (contracting office) - Products and Construction Services Requested: - Large-scale earthwork: on-site and borrow excavation, embankment, and trench stabilization - Stormwater infrastructure: installation of multiple reinforced concrete pipe (RCP) and box culverts (sizes 18", 48", 60", 72", 96", 144"), aggregate bedding, and area inlets - Roadway construction: 10-inch Portland Cement Concrete pavement, structural fill, curb walls, concrete headers, and temporary crushed rock surfacing - Bridge repairs: deck surface treatment, concrete coating, and application of high molecular weight methacrylate (HMWM) healer/sealer - Traffic and safety: installation of traffic signal cables, pedestrian pushbutton lead-in cables, grounding conductors, signs, sign posts, barricades (Type II & III), flashing arrow panels, changeable message signs, and Rectangular Rapid Flashing Beacon (RRFB) assemblies - Erosion and environmental controls: rolled erosion control, wattles, cover crop seeding, topsoil salvaging and placement, rip-rap, and fencing (including 48" vinyl-coated chain link) - Utility coordination: work with multiple utility owners (Black Hills Energy, Cox, AT&T, Lumen, OPTK, Metropolitan Utilities District, Omaha Public Power District, Zayo, Allo, Great Plains Communication, Segra, Verizon) - Field office provision for project management - Unique or Notable Requirements: - Contractor pre-qualification with Nebraska Department of Transportation (Class 3 Concrete Pavement or Class 10 General) - 100% payment and performance bonds required - Compliance with NDOT and City of Omaha technical standards - Detailed geotechnical requirements (structural fill, preloading for settlement, pavement design) - Special provisions for construction sequencing, dust control, and right-of-way acquisition - Addendum modifies quantities and introduces new line items (field office, curb wall, chain link fence, conduit, traffic signal cable, barricades, erosion control) - No specific OEMs or proprietary products are named; the opportunity is open to all qualified contractors and suppliers.

Description

Sarpy County is soliciting bids for the construction of road improvements on Schram Road from 168th Street to 156th Street, including approaches to the I-80 overpass and improvements to 156th Street south of I-80. The project involves earthwork, pavement, bridge repairs, utility coordination, and traffic control. Bidders must be pre-qualified contractors and comply with Nebraska Department of Transportation standards. The bid closes on April 15, 2026, with a question cutoff on April 7, 2026.

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