Dubuque County Civicplus #New Wine Park CMP Culvert Replacement

Dubuque County New Wine Park CMP Culvert Replacement Project Solicitation

Dubuque County Conservation Department is seeking bids for the New Wine Park CMP Culvert Replacement Project, focused on replacing a 60-inch diameter corrugated metal pipe (CMP) culvert and associated roadway improvements. - Government Buyer: - Dubuque County Conservation Department, Iowa - Contact: Brian Preston, Conservation Director - OEMs and Vendors: - No specific OEMs or vendors are named; all qualified contractors may bid - Products and Construction Activities Requested: - 60-inch diameter CMP roadway pipe culvert (70 linear feet, part number 2417-1060060) - Subgrade stabilization material, polymer grid (73 sq. yards, part number 2113-0001100) - Modified sub base (24 cubic yards, part number 2115-0100000) - Hot mix asphalt (HMA) base and surface courses (15 tons each, part numbers 2303-1031500 and 2303-1033500) - Asphalt binder PG58-28S (2 tons, part number 2303-1258283) - Flooded backfill (180 cubic yards, part number 2402-0425040) - Excavation for roadway pipe culvert (278 cubic yards, part number 2402-2723100) - Structural concrete (2.6 cubic yards, part number 2403-0100000) - Reinforcing steel (284 pounds, part number 2404-7775000) - Class "E" revetment (64 tons, part number 2507-6800061) - Removal of pavement (72 sq. yards, part number 2510-6745850) - Safety closure (4 each, part number 2528-2518000) - Traffic control (1 lump sum, part number 2528-8445110) - Mobilization (1 lump sum, part number 2533-4980005) - Perimeter slope and sediment control, 12-inch diameter (120 linear feet, part number 2602-0000312) - Unique or Notable Requirements: - Proposal guaranty and performance bond required - Compliance with Equal Employment Opportunity and Civil Rights Act - Preference for Iowa-grown products and resident bidders - Prohibition on winter work; if started before winter shutdown, road must be opened during winter and HMA work completed in spring - Project is exempt from Iowa sales tax - All work must comply with Iowa DOT Standard Specifications - 15 working days contract duration with liquidated damages for delays ($600/day) - No specific OEMs are mandated; all qualified contractors are encouraged to bid

Description

Sealed proposals are being solicited for the New Wine Park CMP Culvert Replacement Project in Dubuque County, Iowa. The project involves replacing a culvert at New Wine Park. Proposals must be submitted to the County Conservation Department by 1:00 P.M. on September 22, 2026. The lowest responsible bidder will be considered for approval at the Dubuque County Conservation Board Meeting on September 24, 2026. Bid specifications are available as a PDF document, and bidders can contact the Conservation Department for plans and additional information.

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