Sign up to receive a text message or email when new bids are added!
Bid Title: 1st Avenue Improvements - 6th St to 9th St
Category: Bid Postings: Projects
Status: Awarded
Bid Recipient: Langman Construction, Rock Island, IL, $7,186,554.84

This project will reconstruct 1st Avenue from 400' south of 6th Street to 300' south of 9th Street.  When completed, 1st Avenue will have four through lanes with a continuous center turn lane; 10' wide sidewalks on both sides; upgraded traffic signals at the E. 7th Street intersection; a new, four-leg, signalized intersection at 6th Street that will eventually connect to an extension of E. 2nd Avenue on the east leg; new sanitary sewer, storm sewer, and water main; new roadway lighting and streetscaping. 

Engineer's Estimate:  $7,501,030.55

Key Bid Items:
Traffic Control:  1 LS
Excavation, Class 10, Waste:  10,701 CY
Modified Subbase:  6,764 CY
PCC Pavement, 10-in.:  14,494 SY
PCC Pavement, 8-in.:  2,359 SY
Temporary Pavement:  5,309 SY
Granular Backfill:  13,374 CY
Intake, SW-541 Modified:  26 EACH
Sanitary Sewer, Trenched, 10" PVC Truss:  1,178 LF
Sanitary Sewer with Casing Pipe, Trenchless, 10" PVC:  170 LF
Pavement Removal:  10,750 SY
Sidewalk, PCC, 7-in.:  2,589 SY
Special Retaining Wall:  2,650 SF
Lighting Poles, various:  47 EACH
Electrical Circuits:  6,225 LF
Traffic Signalization:  1 LS
Water Main, Trenched, 12" Ductile Iron Pipe:  1,385 LF
Concrete Pavers, various:  2,759 SY
Trees with Warranty, various:  69 EACH

Project Schedule:
Iowa DOT Bid Letting:  10:00 AM, 01/17/2017 (Office of Contracts, Ames)
City Council action on bids:  6:30 PM, 02/13/2017
Phase 1 Completion Date:  11/30/2018 (roads/sidewalks open; signals operational; lighting completed)
Phase 2 Completion:  Late Start Date of 03/04/2019 with 20 Working Days to complete remaining landscaping

Publication Date/Time:
12/19/2017 8:00 AM
Closing Date/Time:
1/17/2018 10:00 AM
Submittal Information:
Iowa DOT, Office of Contracts, 800 Lincoln Way, Ames, IA 50010
Bid Opening Information:
10:00 AM, 01/17/2018, IDOT
Addendum Date/Time:
Addenda #2 & #3 issued 01/03/2018 and 01/11/2018
Contact Person:
Consultant contact: Destry Schildmeier, PE, Project Engineer, HR Green, Inc., ph: 319.841.4000
City contact: Dan Holderness, PE, City Engineer, ph: 319.248.1720
Plan & Spec Available:
Iowa DOT Office of Contracts, 800 Lincoln Way, Ames, IA 50010, ph: 515.239.1414,, Proposal ID: 52-1557-639. Call Order No.: 111.
Related Documents:

Return To Main Bid Postings Page