Dane County Opengov #326012

Dane County Solicits Bids for Walking Iron Trail Construction and Bridge Rehabilitation Project

Dane County is seeking bids for the Walking Iron Trail construction and bridge rehabilitation project in Mazomanie, WI. - Government Buyer: - Dane County Department of Public Works Engineering - Project managed by Reed Rodenkirch - Project Scope: - Reconstruction of 2 timber rail bridges and rehabilitation of 5 additional timber rail bridges for multi-modal recreational use (pedestrian, bike, snowmobile) - Construction of approximately 3 miles of aggregate surface trail - Parking lot expansion and site access improvements - Installation of culverts, underdrain pipes, concrete sidewalks, curb ramps, geotextile, and geogrid - Excavation, asphalt paving, erosion control, restoration, and both permanent and temporary signage - Removal of existing railroad structures and contaminated soil handling - Use of historic railroad structures to connect to Devil's Lake State Park and the Great Sauk Trail - Products and Quantities: - Extensive list of civil construction materials and components, including: - Clearing (2 stations), Grubbing (2 stations), Mobilization for trail, parking lot, and each bridge - Multiple types and quantities of aggregate, asphalt, concrete, geotextile, geogrid, culvert pipes, and pedestrian barriers - Specialized items such as climbing turtle exclusion fencing (8,500 linear feet), timber bridges (multiple, by bridge number), and pile posting - Removal and installation of signage, flashers, and electrical components - Unique/Notable Requirements: - Compliance with federal and state requirements, including prevailing wage laws and the Federally Funded Transportation Alternatives Program (TAP) - Best Value Contractor pre-qualification required - Strict adherence to project timeline - Site-specific access constraints and environmental controls (e.g., turtle exclusion fencing, contaminated soil handling) - OEMs and Vendors: - No specific OEMs or vendors are named in the solicitation - Place of Performance: - Trailhead parking lot at 6715 STH 78, Mazomanie, WI (DNR Wildlife Area) - Dane County Department of Public Works Engineering office at 1919 Alliant Energy Center Way, Madison, WI

Description

Dane County is soliciting bids from qualified contractors for the WALKING IRON TRAIL project located in Mazomanie, WI. The project includes reconstruction and rehabilitation of timber rail bridges, trail work, parking lot expansion, and construction access to extend the trail for multi-modal recreational use across the Wisconsin River. The work involves coordination with federal and state requirements, including prevailing wage laws, and aims to connect to Devil's Lake State Park and the Great Sauk Trail. Key dates include a mandatory pre-bid conference on April 6, 2026, questions due by April 14, 2026, and bids due by April 20, 2026.

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