Cedar Rapids Ionwave #6255001-02

Cedar Rapids 7th Avenue at Cedar River Water Main Improvements – Construction and Materials Procurement

The City of Cedar Rapids Utilities Department is seeking bids for the 7th Avenue at Cedar River Water Main Improvements project, which will replace the existing water main at the 8th Avenue Bridge crossing. - Government Buyer: - City of Cedar Rapids Utilities Department - Project Scope: - Installation of a new 16-inch ductile iron water main (DIP) across the Cedar River at 7th Avenue using open cut methods - Removal of the existing water main at the 8th Avenue Bridge - Associated site work: excavation, subbase preparation, rock excavation, trench foundation, pipe encasement, and compaction testing - Installation of valves (gate, butterfly, tapping), valve boxes, fire hydrant assemblies, and water main fittings - Storm and sanitary sewer work, pavement and curb work, signage, traffic control, erosion and sediment control, and site restoration - Construction of temporary causeways and boat ramps for river access - Environmental protection measures, including management of contaminated soil and groundwater (PAHs, arsenic, cyanide, VOCs), dewatering, and SWPPP management - Products and Quantities: - 16-inch ductile iron water main, Class 52 and Class 55, zinc coated, restrained joint (owner supplied): approx. 1,010 LF (including 502 LF river installation) - 6-inch ductile iron water main, Class 52: 14 LF - Fittings (oversized cap, by count and by weight): 2 caps, 2,419 lbs - Valves (gate, butterfly, tapping) and valve boxes: multiple units - Fire hydrant assemblies: 1-2 units - Pavement (PCC, 9"): 887 SY - Curb and gutter (2.5', 9"): 206 LF - Storm sewer, HDPE, 15": 60 LF - Temporary fence, chain link, 6': 603 LF - Sign panels and posts: 8.25 SF panels, 40 LF posts - Services: - Compaction testing, dewatering, disinfection and hydrostatic testing, SWPPP management, construction survey, mobilization/demobilization, environmental testing and disposal of contaminated soil and dewatering fluid - Unique/Notable Requirements: - Compliance with Iowa SUDAS standards and Iowa DNR floodplain permits - Detailed environmental and safety provisions for handling contaminated materials - Incentive/disincentive payments for milestone completion - Flood-related demobilization/remobilization provisions - Coordination with city events and other projects - OEMs: - No specific OEMs are named, but the project centers on ductile iron pipe and waterworks materials - Estimated Contract Value: - $2,560,000

Description

This solicitation is a Request for Bid for the installation of a 16-inch ductile iron water main across the Cedar River by open cut installation at 7th Avenue, replacing the existing 16-inch ductile iron water main at the 8th Avenue Bridge Cedar River Crossing. The project is located at 7th Avenue from Valor Way SW, across Cedar River, to 1st St SE. The Engineer's opinion of probable cost is $2,560,000. Key milestones include an early start upon receipt of notice to proceed, milestone completion by January 15, 2027, and final completion by April 30, 2027. A pre-bid conference is scheduled for June 24, 2026.

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