Davenport Ionwave #26-73 Addendum 1

City of Davenport 2026 Alley Cost Share Program – Construction Improvements for Two Alleys

The City of Davenport, Iowa is seeking bids for the 2026 Alley Cost Share Program, which covers construction improvements to two city alleys. - Government Buyer: - City of Davenport, Iowa, Purchasing Division - Contact: Mary Sakalosky - Scope of Work: - Construction improvements to two alleys: - Alley 1: Between Brady Street and Perry Street (E 14th to E 15th) - Alley 2: Between W 16th Street and W 15th Street (Gaines to Scott) - Major products and services requested: - Milling and asphalt paving (680 SY) - Full depth HMA patching (102 SY) - Subgrade treatment with geogrid (489 SY) - Modified subbase installation (2,000 SY combined at 6" and 8" thickness) - PCC pavement and curb/gutter work (198 SY pavement, 230 LF curb/gutter) - Sidewalk and driveway reconstruction, including ADA-compliant ramps (107 SY sidewalk, 246 SY driveway) - Topsoil and sod placement (451 SY each) - Erosion control, SWPPP management, and exploratory excavation - Removal of existing PCC/HMA pavement (1,736 SY), curb/gutter, sidewalk, and driveway - Traffic control, signage, and posts - Construction survey and maintenance of solid waste collection - Owner contingency allowance of $35,000 - Notable Requirements: - Compliance with Iowa SUDAS and City of Davenport Supplemental Specifications - Electronic bid submission - 5% bid bond for bids over $100,000 - Performance and maintenance bonds, and specific insurance coverage - All work must be completed within 35 working days - OEMs and Vendors: - No specific OEMs or proprietary products are named; the project is open to qualified contractors and suppliers of standard construction materials - Estimated Contract Value: - Approximately $395,000

Description

The City of Davenport is soliciting bids for the 2026 Alley Cost Share Program involving improvements to two alleys. Alley 1 is located between Brady Street and Perry Street from E 14th Street to E 15th Street and includes milling, asphalt paving, patching, geo fabric/grid installation, driveway approach replacement, sidewalk reconstruction with ADA ramps, topsoil, sodding, and erosion control. Alley 2 is located between W 16th Street and W 15th Street from Gaines Street to Scott Street and includes removal of PCC and HMA pavement, full depth aggregate base, geo fabric/grid, reconstruction with PCC alley approaches and HMA pavement, utility surface feature reset, driveway approach replacement, sidewalk reconstruction with ADA ramps, topsoil, sodding, and erosion control. Bids must be submitted electronically through the City of Davenport e-bidding system by June 23, 2026, 11:00 AM CT.

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