West Des Moines Ionwave #0510-030-2023

Grand Avenue Widening Project – South Jordan Creek Parkway to South 60th Street, West Des Moines, IA

The City of West Des Moines is seeking bids for the Grand Avenue Widening project, covering the stretch from South Jordan Creek Parkway to South 60th Street. - Government Buyer: - City of West Des Moines, City Clerk's Office - Scope of Work: - Widening of Grand Avenue, including: - Approximately 12,500 cubic yards of grading, subgrade preparation, and modified subbase - 19,836 square yards of 9-inch reinforced Portland Cement Concrete (PCC) paving - 1,985 square yards of full-depth PCC patching - Storm sewer modifications (installation and removal of various sizes of reinforced concrete pipe) - Installation of permanent traffic signals at three intersections - Pavement markings (painted, tape, and symbols/legends) - Traffic control (temporary and permanent) - Site restoration, including seeding, mulching, and chemical treatment - Installation of digital enterprise conduit (various sizes and colors, including 7-way multi-duct, directional drilled) - Installation of vaults (IAV, LAV, ALV), fiber conduit/structures as-built documentation, and acceptance testing - Water main appurtenances (fire hydrant assemblies, valve box extensions/replacements) - Intake and manhole adjustments, sidewalk and curb work - Products/Materials (selected major quantities): - Topsoil (4,505 CY), Excavation (Class 10: 1,637 CY; Waste: 12,281 CY) - Subgrade Preparation (22,044 SY), Modified Subbase (23,107 SY) - Storm Sewer, RCP (18 in.: 56 LF; 24 in.: 53 LF), Subdrain (6 in.: 3,744 LF) - Pavement, PCC, 9 in. Reinforced (19,259.8 SY), Full Depth Patches, PCC, 10 in. (1,985 SY) - Traffic Signalization (1 LS), Painted Pavement Markings (151.8 STA), Wet Tape Markings (15.5 STA) - Conduit, 1" Blue w/Black Stripe (7,266 LF), 1.25" Orange (3,633 LF), 1.5" Orange (3,633 LF), 1.5" Blue (3,633 LF), 7-Way Multi-Duct (3,633 LF) - Vaults (IAV, LAV, ALV: 2 each) - Unique/Notable Requirements: - All work must comply with plans/specifications by Kirkham Michael (engineering firm) - Performance and payment bond for 100% of contract price required - Four-year maintenance guarantee post-acceptance - Preference for Iowa-grown products and domestic labor; resident bidder preference applies - Project funded by city funds, including bonds - Open to all qualified contractors; no set-aside restrictions - No specific OEMs or proprietary part numbers are named; all materials are generic or industry-standard construction items.

Description

The City of West Des Moines is soliciting bids for the Grand Avenue Widening project, which involves approximately 12,500 cubic yards of grading, subgrade preparation, and modified subbase associated with 19,836 square yards of 9-inch reinforced PCC paving, 1,985 square yards of full-depth PCC patching, storm sewer modifications, permanent traffic signals at three intersections, pavement markings, traffic control, and site restoration. Bids must be submitted electronically by May 6, 2026, and the project requires compliance with plans and specifications prepared by Kirkham Michael. The successful bidder must provide performance and payment bonds and guarantee maintenance for four years post-acceptance.

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