Fourmile Mountain Bike Park (formerly known as Copper Creek Mountain Bike Park)

Polk County Conservation is seeking a qualified contractor to construct the Fourmile Mountain Bike Park, a 3.2-mile mountain bike trail system located at 1601 Williams Street in Des Moines, Iowa. The Invitation to Bid (ITB 2024-002) requires a contractor with Professional Trail Builders Association membership and a minimum of three years of professional trail building experience. The project encompasses comprehensive trail construction, including technical features, boulder and stonework, earthen ramps, and associated work across 49.9 acres. Bidders must submit electronic proposals via BidNet Direct by 3:00 p.m. on February 22, 2024, with a pre-bid meeting scheduled for February 13, 2024, at the Jester Park Nature Center. Contractors are required to provide detailed references from three successfully completed projects and submit a 5% bid bond. The project timeline indicates a start date of May 31, 2024, with completion expected by September 31, 2024, and contract award set for the Polk County Conservation Board Meeting on March 13, 2024.

The solicitation does not explicitly specify set-aside designations for disadvantaged enterprises. Contractors must provide comprehensive insurance coverage, including Workers' Compensation, Commercial General Liability, and Automobile Liability, with Polk County named as an additional insured. The project will utilize a unit price bidding structure, with the county providing tax exemption certificates for materials and supplies. Bidders must register with the Iowa Division of Labor and file with the Secretary of State, with certificates of authority required by March 13, 2024. While specific budget details are not explicitly stated, the comprehensive nature of the trail construction, including specialized features like rock gardens, rock drops, and bermed turns, suggests a significant investment in creating a sophisticated mountain bike park. The project involves complex earthwork and trail building techniques, indicating a potentially substantial contract value for the selected contractor.