Cedar Rapids Ionwave #3012589-01 Addendum 2

Cedar Rapids Street, Utility, and Traffic Signal Rehabilitation for 12th St SE, Coe Rd NE, and 13th St SE

The City of Cedar Rapids Public Works Department is seeking bids for a comprehensive street rehabilitation and utility improvement project covering 12th Street SE, Coe Road NE, and 13th Street SE. - Government Buyer: - City of Cedar Rapids Public Works Department (including Traffic Engineering and Engineering offices) - Project Scope: - Pavement rehabilitation (milling, overlays, full-depth patching, removal and replacement) - Water main and sanitary sewer installation, repairs, and removals (including 8" and 12" PVC sanitary sewer, 12" and 24" ductile iron water main) - Curb and gutter replacement, sidewalk construction (including ADA-compliant detectable warnings), and combined sidewalk/retaining wall - Traffic signal installation and upgrades (including city-supplied 45' mast arm, video/radar detection, LED signal heads, pedestrian heads) - Conversion of one-way streets to two-way traffic - Traffic control and staging (temporary signals, signage, detours, channelizing devices) - Erosion and sediment control (filter socks, inlet protection, seeding, sodding, tree protection) - Environmental services (petroleum-contaminated soil sampling, testing, and remediation) - Construction survey, mobilization, and concrete washout - Products/Services Requested (selected examples): - Excavation, subgrade preparation, granular stabilization, subbase installation - Sanitary sewer gravity main (PVC SDR-26, 8" and 12"), water main (DIP Class 52, 12" and 24"), fire hydrant assembly, gate valves - Pavement (PCC 8", asphalt base and surface courses, HMA overlays), curb and gutter, sidewalk (PCC 5" and 6") - Traffic signals (12th St and 13th St), temporary traffic signal, sign panels and posts - Painted and thermoplastic pavement markings (MMA, 4" to 24"), grooves for markings, removal of existing markings - Erosion control (hydraulic seeding, sod, filter socks, inlet protection) - Compaction testing, trench compaction, bypass pumping, disinfection and hydrostatic testing, manhole work - Quantities: - Examples: 344 CY excavation, 384 SY subgrade preparation, 7 LF sanitary sewer (8"), 17 LF water main (12"), 371 SY PCC pavement, 1997 SY asphalt overlay, 342 SF sidewalk (5"), 1 LS traffic signal installation - Unique/Notable Requirements: - Compliance with SUDAS and City of Cedar Rapids supplemental specifications - Environmental compliance (NPDES permit, petroleum soil remediation) - Drug-free workplace affidavit, equal employment opportunity policy, bid security - City will provide the 45' mast arm for traffic signals - Incentive/disincentive payments for timely completion - No specific OEMs are named for materials or equipment; standard civil construction materials and traffic signal components are specified - Estimated contract value: $920,000 - Period of performance: 65 working days from notice to proceed, with staged milestones and incentives for early completion

Description

This solicitation is for a public improvement project involving pavement rehabilitation, water main repairs, sanitary sewer repairs, and conversion of one-way streets to two-way streets. The work is located at 12th Street SE from 3rd Avenue SE to 1st Avenue E, Coe Road NE from 1st Avenue E to 300 feet north of A Avenue NE, and 13th Street SE from 2nd Avenue SE to 1st Avenue E. The project includes various construction tasks such as excavation, subgrade preparation, pavement removal, and installation of traffic signals. The engineer's opinion of probable cost is $920,000. Bids are to be submitted by April 29, 2026, with work starting upon receipt of the notice to proceed and final completion expected within 65 working days.

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