Douglas County Ionwave #CO-2026-0014

Douglas County Intersection Improvement: Highway N-31 & Fort Street Widening, Paving, and Traffic Signal Upgrade

Douglas County, Nebraska is soliciting bids for a major intersection improvement project at Highway N-31 and Fort Street in Omaha. - Government Buyer: - Douglas County Purchasing Department and Douglas County Engineer's Office - Nebraska Department of Transportation (NDOT) is referenced for technical standards - Scope of Work: - Widening, grading, and paving of the intersection - Installation of concrete pavement, sidewalks, ADA-compliant ramps, and culvert pipes (18", 24", 36", various types) - Erosion control measures including Flexamat or equivalent, silt checks, and fabric silt fences - Traffic signal construction: includes controllers (Type TC-2070LX), pedestrian signals (Type PS-1), APS pushbutton detectors, radar vehicle detection (Wavetronix), and uninterruptible power supply (UPS) - Installation of signage, pavement markings (wet reflective, preformed), and street lighting (LED 200W) - Utility work: conduit, traffic signal cable, tracer wire, grounding conductor, and service disconnects - General clearing, grubbing, removals, and equipment rentals - Key Products and Quantities: - 6,259 SY of 8" concrete pavement; 492 SF of sidewalk; 237 SF of ramp concrete - 4 traffic signal controllers (Type TC-2070LX), 8 pedestrian signals, 8 APS pushbutton detectors - 4 combination mast arm signal and lighting poles; 4 LED luminaires - 1 radar vehicle detection system (Wavetronix); 1 UPS - Notable Requirements: - Compliance with NDOT and MUTCD standards - Bid bond (5%) and performance bond (100%) required - Contractors must be prequalified by NDOT - Adherence to Nebraska Employee Classification Act and fair labor standards - Warranty: at least 1 year for signal controllers, 2 years for UPS - Liquidated damages of $2,500/day for late completion - Detailed phased completion milestones (Phase 1: 60 days, Phase 2: 30 days, substantial: 90 days, final: 130 days) - OEMs and Vendors: - No specific OEMs named for most products; technical specs reference Wavetronix for radar detection and Intelight for traffic signal controller software - Flexamat or equivalent specified for erosion control - Eligibility: - Open to all qualified contractors able to meet technical, bonding, and insurance requirements

Description

Douglas County is requesting bids for the widening, grading, paving, and traffic signal construction at the Highway N-31 and Fort Street intersection. The project includes all work and goods as specified in the bid documents, including installation of traffic signals, concrete pavement, clearing, earthwork, and erosion control. Bidders must submit a bid bond or acceptable substitute equal to 5% of the bid amount and comply with insurance and performance bond requirements. The bid closing date is May 20, 2026, and bids must be submitted electronically.

View original listing