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Phase 1 Sanitary Sewer System Improvements
Project Name:
     Phase 1 Sanitary Sewer System Improvements

General Area:
     Northeast and Southeast Quadrants

Project Description:
Through an inspection process, it has been determined that the sanitary and storm sewer several areas of the City of Oskaloosa has begun to fail, causing high inflow and infiltration.  The phase 1 project is the first of several projects that have been planned in order to provide effective and reliable sanitary and storm sewer service to residents. The project includes sewer pipe reconstruction (approximately 1,960 LF), sewer pipe lining (approximately 6,800 LF), manhole reconstruction (15 manholes), manhole rehabilitation (approximately 275 LF), and manhole invert repairs (17 manholes). The plans for the project can be viewed below:

Project Plans

Project Locations:

Work will be performed in the following locations in the northeast and southeast quadrants of the city:

  1. East of 17th Street/US 23 from 8th Avenue East to A Avenue East.
  2. West of 17th Street/US 23 near 3rd Avenue East.
  3. Along Hope Street and Geneva Drive from 3rd Avenue East to High Avenue East.
  4. The area generally along 1st, 2nd, 3rd, 4th, and 5th Avenues between 1st Avenue East and 6th Avenue East.
  5. The area generally along north 10th, 11th, and 12 Streets between F Avenue East and J Avenue East.
  6. The area generally along A, B, and C Avenue East between North 9th Street and North Park Avenue.
  7. Along Osburn Avenue between 17th Street/US 23 and 265th Street.

Or view the location maps, below:
Location Map 1
Location Map 2

Project Benefits:
Residents currently using sanitary and storm sewer services in these areas will benefit directly as a result of this project.  This project will also reduce the inflow and infiltration of excess water into wastewater treatment facilities, which will reduce long-term operating and maintenance costs.

Project Status:
Currently this project has been completed except for the last of the manhole rehabilitation along with sewer lining in the area between 11th Street and 12th Street south of J Avenue.

Bid for this project were opened on February 8, 2018, and a public hearing was held on February 20, 2018. The project is split into 2 divisions. Division 1 of the project consists primarily of sanitary sewer replacement, and was awarded to Cornerstone Excavating, Inc. in a total contract amount of $288,463.75. Division 2 of the project consists primarily of sanitary sewer rehabilitation work, and was awarded to Visu-Sewer, Inc. in a total contract amount of $706,710.30. Construction is planned to begin on or about March 5, weather permitting, and is allotted a total of 110 working days.

Estimated Project Cost:
Sanitary Sewer Reconstruction:                             $349,890.00
Sanitary Sewer Rehabilitation  :                             $684,025.50
Total Estimated Construction Cost:                $1,033,915.50   

Construction Start Date:
Construction End Date:


If you have any questions about this project, please contact the Public Works Department at (641) 673-7472.

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