Davenport Ionwave #26-56 Addendum 1

City of Davenport N. Division Street Pavement Reconstruction (W. 9th St to W. 12th St)

The City of Davenport is seeking bids for the N. Division Street Pavement Reconstruction Project, spanning West 9th Street to West 12th Street in Davenport, Iowa. - Government Buyer: - City of Davenport, Engineering Division and Purchasing Division - Scope of Work: - Full reconstruction of the existing concrete roadway - Installation of ADA-accessible sidewalk ramps and replacement of adjacent sidewalks - Installation of subdrains and rehabilitation of storm and sanitary sewer systems - Resetting of utility surface features, placement of topsoil and sodding, and erosion control - Traffic control, public notification, and environmental protection measures - Products and Materials Requested: - Portland Cement Concrete (PCC) pavement (7 in. and 9 in.) - Hot Mix Asphalt (HMA) boulevard (4 in.) - Granular stabilization (including recycled concrete), subbase (granular and modified), and geogrid - Storm sewer pipes (reinforced concrete and ductile iron, various sizes), manholes, intakes, and subdrains - Sidewalks (PCC 4 in. and 8 in.), driveways, detectable warnings for ADA compliance - Traffic signs, painted pavement markings, portable dynamic message signs, and traffic control devices - Topsoil, sod, and erosion control materials - Quantities and Key Line Items: - Over 5,800 sq yd of 9 in. PCC pavement, 1,390+ cu yd of excavation, 2,300+ ft of subdrain, and 6,300+ sq yd of pavement removal - Multiple manholes, intakes, and storm sewer installations and removals - $80,000 construction contingency allowance - Unique or Notable Requirements: - Strict compliance with Iowa SUDAS and City of Davenport Supplemental Specifications - All ADA standards must be met for sidewalk ramps and detectable warnings - Use of specified materials (IADOT Grad. 13, Grad. 14, Grad. 29, recycled concrete) - Equal opportunity and non-discrimination clauses apply - Electronic bid submission and bid bond required for bids over $100,000 - Project duration is 60 working days with liquidated damages for delays - OEMs and Vendors: - No specific OEMs are mandated; all materials must meet SUDAS and City specifications - Locations: - Work performed on N. Division Street from W. 9th St to W. 12th St, Davenport, IA - Contracting office at City Hall, 226 West Fourth Street, Davenport, IA 52801 - Delivery location at Davenport Public Works, 1200 E. 46th Street, Davenport, IA

Description

The City of Davenport is soliciting bids for the N. Division Street Pavement Reconstruction Project, which involves reconstructing the existing concrete roadway and ADA-accessible sidewalk ramps, replacing sidewalks adjacent to the street, installing subdrains, rehabilitating storm and sanitary sewer systems, resetting utility surface features, topsoil, sodding, erosion control, and related work. The project is located along North Division Street from West 9th Street to West 12th Street. Bids must be submitted electronically through the City of Davenport e-bidding system by April 7, 2026, 11:00 AM CT.

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