Cedar Rapids Ionwave #3018024-02 Addendum 1

Cedar Rapids Railroad Surface Crossing Improvements at 1st, 2nd, and 3rd Avenues SE

The City of Cedar Rapids Public Works Department is seeking bids for Railroad Surface Crossing Improvements at 1st, 2nd, and 3rd Avenues SE at the 4th Street SE Union Pacific Railroad crossings. - Government Buyer: - City of Cedar Rapids Public Works Department - Project involves coordination with Union Pacific Railroad - Products and Services Requested: - Civil construction materials and services for subdrain installation, pavement repair, and railroad crossing improvements - Key materials include: - Topsoil (38 CY), granular stabilization (22 TON), subbase (railroad ballast and modified, 392 SY and 241 SY), subdrain (HDPE, 6", 350 LF and 112 LF), manhole adjustments and lining (polyurea system), curb and gutter (64 LF), asphalt railroad crossing approach (299 SY), sidewalk removal and installation (PCC, colored/stamped and standard, 166 SY and 75 SY), full depth HMA patches (56 SY), pavement markings (various types and quantities), temporary traffic control, sod (229 SY), filter socks, construction survey, mobilization, and insurance agreements - All items are specified with part numbers and quantities - Unique or Notable Requirements: - Coordination and right-of-entry agreements with Union Pacific Railroad, including insurance and flagging services - Compliance with Iowa SUDAS and City of Cedar Rapids specifications - Specialized manhole lining system with polyurea coating and 10-year warranty - Phased construction with strict working day limits and incentive/disincentive payments for timely completion - Installation of PCC sidewalk up to railroad crossing panels - OEMs and Vendors: - No specific OEMs or proprietary vendors are named; solicitation is open to qualified civil contractors - Estimated contract value: $290,000

Description

This solicitation is for the Railroad Surface Crossing Improvements project located at 1st, 2nd, and 3rd Avenues SE at the 4th Street SE Union Pacific Railroad Crossings in Cedar Rapids, Iowa. The work generally consists of subdrain installation and associated pavement repair. The project includes specific early and late start dates for each crossing and requires completion within specified working days. The engineer's opinion of probable cost is $290,000. Bids are to be submitted on a unit price basis through the City's IonWave website by July 1, 2026.

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