Western North Ridge Stormwater Improvements Phase I

Last updated Nov. 09, 2018 - 11:57 am
  • Planning
  • Design
  • Construction
  • Completed
  • Storm Drainage System
  • $2.2 million (Phase 1)
  • Stormwater Management (Lead)
  • Design Consultant TBD

Current Activity

Posted Friday, Nov. 9

We are working on finalizing the design plans for phase one and two of this project.

Summary

This project will improve the storm drain system:

  • Along Tanbark Way (near the intersection of Pinebark Court);
  • At crossings on Harps Mill Road (between Tanbark and Plateau Lane as well as between Plateau and Fiesta Way); and,
  • At the pipe crossings along the 7300 block of Grist Mill Road.

Improvements will be made in this area where the stream channel is restricted and where there is severe erosion. The downstream channel also will be repaired to address flooding and stream erosion concerns along this portion of the stream.

The project may also include water quality improvements to meet regulatory requirements and to address water quality concerns within the Perry Creek Watershed.

Images

  • *Roadway overtopping of Grist Mill Road. Roadway overtopping of Grist Mill Road.
  • *Grist Mill Road and right of way flooding. Grist Mill Road and right of way flooding.
  • *Private property flooding. Private property flooding.
  • *Yard and channel flooding. Yard and channel flooding.
  • *Dated and undersized stormwater infrastructure off Harps Mill Road. Dated and undersized stormwater infrastructure off Harps Mill Road.

Schedule

Project schedule with dates and descriptions
DateDescription
Fall 2017Project design modeling for Phase I
Summer 2019Project design for Phase 1 & 2 complete
Summer 2019Easement acquisition and permitting process complete
Fall 2019Project construction bid and award complete
Late Fall 2019Construction begins
Late Fall 2020Project construction complete

History

This project is located along the western drainage basin to the North Ridge Country Club Lake, which is in the Perry Creek Watershed.

A history of flooding events in the area resulted in public meetings in April and June 2006, which initiated this stormwater project. An engineering study was completed in December 2006, which recommended improvements to the existing storm drainage systems at Tanbark Way, two locations on Harps Mill Road, and the system crossings at Grist Mill Road.

The goal of the project is to reduce street and structural flooding and provide Tanbark Way, Harps Mill Road, and Grist Mill Road with a 10-year level of service. The project also will improve water quality of the Perry Creek Watershed.

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