City of Columbia Ionwave #66/2026 Addendum 1

Columbia, MO Roundabout Construction at Fairview & Chapel Hill – Civil, Utility, and Lighting Procurement

The City of Columbia, Missouri is seeking bids for the construction of a new roundabout at the intersection of Fairview Road and Chapel Hill Road. - Government Buyer: - City of Columbia, Missouri Public Works Department (Purchasing Division) - City of Columbia Water & Light Department (for water main components) - Products and Services Requested: - Full civil construction and installation of a roundabout, including: - Excavation, grading, and site preparation - Concrete pavement, curbs, sidewalks, ADA ramps, and driveways - Stormwater and sanitary sewer improvements (pipes, inlets, junction boxes) - Water main relocation and installation (ductile iron, PVC, polyethylene pipes, valves, hydrants, fittings) - Traffic control (barricades, channelizers, signage, pavement markings) - Lighting (light poles, LED luminaires, electrical conduit and conductors) - Landscaping, seeding, and site restoration - Detailed line items specify quantities for all major materials and components (e.g., 837 cubic yards of excavation, 2,425 sq yd of concrete pavement, 8 LED luminaires, 8 light poles, 840 linear feet of stormwater pipe, 366 linear feet of 8" C900 water main, 1 fire hydrant installation) - OEMs and Vendors Mentioned: - Ductile Iron Pipe: Clow, American, U.S. Pipe - Restrained Joint Pipe: U.S. Pipe TR-Flex, Clow TR Flex - PVC Pipe: Pipe Life Jet Stream, Vinylplex, Northern Pipe Products, PW Eagle, JM Eagle, CertainTeed, Diamond, Ipex Blue Brute, North American Pipe Company - Polyethylene Pipe: Centennial Plastics, Silver-Line Plastics - Ductile Iron Fittings: Tyler Union, Star, U.S. Pipe, SIP, Sigma - PVC Fittings: Ipex, Blue Brute, CertainTeed - Gate Valves: U.S. Pipe, American Flow Control, Clow, Mueller, M & H, Kennedy, EJ Flowmaster - Butterfly Valves: Pratt, Kennedy - Air Release Valves: Val-Matic - Tapping Sleeves: Ford, JCM, Cascade, Smith Blair, Power Seal, Mueller - Fire Hydrants: Mueller, Clow - Casing Spacers: Pipe Seal & Insulator, Power Seal, Cascade, Advance Products & Systems, BWM Company - Pipe Restraints: EBAA Iron, Tyler, Sigma, Uni-Flange, Romac, JCM - Pigs: Pipeline Pigging Products, KNAAP Polly Pig - Undercoating: 3M - Locator Wire/Accessories: 3M, DryConn, Copperhead - Unique or Notable Requirements: - Compliance with AWWA, ASTM, and Missouri DNR standards for water infrastructure - Prevailing wage and OSHA training required - Detailed inspection, testing, and site restoration protocols - Performance and payment bonds required - Specifications allow for equivalent products where applicable - Locations: - Construction at Fairview Rd & Chapel Hill Rd, Columbia, MO 65203 - City of Columbia Public Works Department and Water & Light Department facilities - Contracting office at 701 E. Broadway, 5th Floor, Columbia, MO 65201

Description

This solicitation is a Request for Bid issued by the City of Columbia, Missouri, for the installation of a roundabout at the intersection of Fairview Road and Chapel Hill Road. The project involves construction services including excavation, pavement removal and replacement, installation of concrete curbs, sidewalks, water main relocation, traffic control, and related infrastructure work. Bidders are encouraged to submit bids electronically or by sealed hard copy, with all required documentation and adherence to specified technical and contractual requirements. The contract period extends from the effective date through project completion.

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