Cedar Rapids Ionwave #305161-02 Addendum 1

Cedar Rapids Bridge Deck Overlay and Repair Project over CN Railroad

The City of Cedar Rapids Public Works Department is seeking qualified contractors for the Center Point Road Bridge Over CN Railroad Bridge Deck Overlay project. - Project Scope: - Bridge deck patching, concrete overlay, and repairs to bridge elements - Pavement approach repair and guardrail replacement - Erosion control, traffic control, and slope protection - Coordination with CN Railroad, including flagging and protective liability insurance - Key Products and Quantities: - Deck Overlay (Class O PCC or Class HPC-O PCC): 1216 SY (part number 2413-0698066) - Deck Repair, Class A: 243 SY (part number 2413-0698074) - Deck Repair, Class B: 100 SY (part number 2413-0698075) - Steel Beam Guardrail: 632 LF (part number 2505-4008300) - Removal of Steel Beam Guardrail: 743 LF (part number 2505-4008120) - Structural Concrete (Bridge): 1.2 CY (part number 2403-0100010) - Reinforcing Steel, Epoxy Coated: 54 lbs (part number 2404-7775005) - Temporary Traffic Control, Construction Survey, Mobilization, and other site preparation items - Erosion stone, filter socks, silt fences, bank shaping, slope protection, and temporary crash cushions - Railroad Flagger: 20 days (part number 6000-2528010) - Railroad Protective Liability Insurance: 1 LS (part number 2595-0005120) - Notable Requirements: - Compliance with SUDAS, Cedar Rapids Standard Supplemental Specifications, and Iowa DOT standards - Project divided into two phases: under-deck work before winter shutdown, deck/roadway work after - Bridge must remain open during winter shutdown - Coordination with CN Railroad for flagging and insurance - Engineer’s estimate: $650,000 - No specific OEMs are named; opportunity is open to contractors with civil and bridge construction capabilities.

Description

This solicitation is a Request for Bid for the Center Point Road Bridge over CN Railroad. The project involves bridge deck patching, concrete overlay, concrete repair to bridge elements, pavement approach repair, and guardrail replacement. The work is located on Center Point Rd NE between 51st Street NE and Town Lane NE. The project is divided into two phases: work under the bridge deck before winter shutdown and work on the bridge deck or roadway after winter shutdown. The engineer's opinion of probable cost is $650,000.

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