I-80 PCC pave I-280 to US Hwy 61 9.pdf

This is a project documentation file related to the Davenport Tile Boring Replacement project issued by the Iowa Department of Transportation. The project involves subdrain pipe replacement and infrastructure improvements along the I-80 corridor between I-280 and US Highway 61. Key deliverables include 544 linear feet of 4-inch subdrain plastic pipe installation, 325 cubic yards of topsoil management, 50 linear feet of steel encasement, and 0.20 acres of mulching and seeding work. The file includes annotated diagrams identifying specific tile conditions and repair needs, including sections where tiles were replaced and willows were grubbed in 2020, a tile repaired due to fiber optic cutting in 2022, and areas where 4-inch clay tile is broken or collapsed. The Request for Bid #645-RFB-1746-2025 has a bid opening scheduled for May 7, 2025, at 5:25 PM CDT and closes May 29, 2025, at 1:00 PM CDT, with an estimated project completion date of November 15, 2025. Site visits are permitted Monday through Thursday between 10:00 AM and 2:00 PM, with specific safety requirements for interstate shoulder access.

Bidders must be registered with the Iowa Department of Workforce Development and will be evaluated based on cost, compliance with mandatory requirements, proposed staffing, and work schedule. Performance and payment bonds may be required for contracted amounts of $25,000 or more. The Iowa DOT is a tax-exempt agency, and Davis-Bacon wages do not apply to this project. Monthly payments will cover up to 95 percent of the value of work performed, with deliveries designated as F.O.B. Destination. The file also references related infrastructure work at the Adair location involving construction of a 1200-ton salt storage building over existing precast L panels and demolition of an existing salt storage hoop building, though specific budget information is not detailed in the documentation provided.