Davenport Ionwave #26-64

Davenport Western Avenue Reconstruction: Roadway, Sidewalk, Storm Sewer, and ADA Upgrades

The City of Davenport, Iowa is seeking bids for the Western Avenue Reconstruction project, spanning from W 28-1/2 Street to W 31st Street. - Scope of Work: - Complete roadway reconstruction, including removal and replacement of pavement, sidewalks, driveways, and curbs - Installation of ADA-compliant sidewalks, ramps, and detectable warning panels - Storm sewer installation and removal, including reinforced concrete pipe (RCP), manholes (SW-303, SW-401), and intakes (SW-501) - Subgrade stabilization using granular material and geogrid - Resetting utility surface features to finish grade - Landscaping with topsoil and sod, plus erosion control measures - Traffic signs and perforated square steel tube posts - Temporary traffic control, construction survey, SWPPP management, and mobilization - Owner contingency allowance of $50,000 for unforeseen expenses - Products and Quantities: - Portland Cement Concrete (PCC) pavement with integral curb: 4,108 SY - Topsoil: 95 CY; Sod: 842 SY - Granular stabilization: 715 TON; Geogrid: 1,027 SY - Storm sewer (RCP, 15"): 111 LF; Removal of storm sewer (12"): 117 LF - Manholes: 5 removed, 5 installed (4 SW-303, 1 SW-401) - Intakes: 4 installed, 4 removed - Sidewalks (PCC, various thicknesses): 4,273 SF total - Driveways (PCC, 7"): 63 SF - Traffic signs: 84 SF; Posts: 165 LF - Detectable warning panels: 260 SF - Services: - Temporary traffic control, SWPPP management, erosion control, construction survey, mobilization, and full construction services - Notable Requirements: - Compliance with Iowa SUDAS and City of Davenport supplemental specifications - Electronic bid submission only; mandatory review and response to bid tabs - Bid and performance bond requirements for bids over $100,000 - Insurance requirements, including completed operations coverage for two years post-completion - Equal opportunity and non-discrimination compliance; Bidder Status Form required - Coordination with multiple utility companies - Completion required by a specified date; liquidated damages for delays - OEMs and Vendors: - No specific OEMs or manufacturers are named; materials and equipment must meet SUDAS and city standards - Place of Performance: - Western Avenue between W 28-1/2 Street and W 31st Street, Davenport, IA - City Hall, 226 West Fourth Street, Davenport, IA 52801 (contracting office) - 1200 E. 46th Street, Davenport, IA 52807 (additional city office)

Description

The City of Davenport is soliciting bids for the Western Avenue Reconstruction project, which involves furnishing all labor, materials, and equipment necessary for reconstructing the existing roadway, ADA sidewalks and ramps, integrated curb replacement, resetting existing utility surface features to finish grade, replacing driveway approach aprons, topsoil, sodding, and erosion control. Bids must be submitted electronically through the City of Davenport e-bidding system by May 21, 2026. The project requires compliance with the Iowa Statewide Urban and Design Specification (SUDAS) and city-specific supplemental specifications.

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