Simmons Branch Drainage Improvement Project - Phase 2

Last updated Oct. 07, 2019 - 5:20 pm
  • Planning
  • Design
  • Construction
  • Completed
  • Storm Drainage System
  • $5.6 million
  • Stormwater Management (Lead)
  • Dewberry (Design)
  • Moffat Pipe, Inc. (Construction)

Current Activity

Posted Wednesday, September 25

Construction is underway. Given delays from near record rainfall earlier this year, the project is expected to be finished in the fall.  

The contractor is almost finished with the main stormwater improvements at the downstream end of the project. Pineview Drive is closed to traffic and will reopen in October (depending on weather). A portion of Swift Drive is open to local residents only and will remain closed for any other traffic for the rest of the project. 

Completed Work 

  • All water and sewer relocation work; 
  • 725 feet of the 12-foot by 5-foot stormwater pipe; 
  • Two 10-foot by 6-foot stormwater pipes on Pineview Drive; and,
  • 180 feet of the 42-inch diameter concrete pipe at 3700 Swift Drive. 


In Progress

  • Stream channel improvements downstream of the stormwater pipe at 3605 Swift Drive.


Next

  • Curb and gutter (September and October)
  • Paving (end-October)

Construction activities may vary during this time depending on weather conditions and other construction factors. 

Traffic detours and construction barriers will be put in place around the worksite. Work hours will be Monday through Friday from 7 a.m. to 6 p.m. with no work scheduled on the weekend except in an emergency or with prior approval from the City. You will be notified if such schedule changes need to take place.

Questions? Contact David Kiker, PE, at 919-996-4074.

News Coverage: Crews begin $5.6M project to quell Raleigh neighborhood flooding (WRAL, April 26, 2018)

 

Summary

Several homes are experiencing first floor and garage flooding in the proximity of Pineview Drive and along Swift Drive, which are upstream of Lail Court. In addition, the existing box culvert along Swift Drive is undersized and in need of repair. The purpose of this project is to reduce street flooding on Swift Drive, minimize structural flooding of homes, eliminate channel bank erosion, and lower project costs. The final project will at a minimum meet the 10-year level and in some areas provide up to a 100-year level of service.

The project design includes replacing the 700-foot stormwater box culvert that carries stormwater along Swift Drive and increasing the size of the Pineview Drive culverts and a private driveway bridge at 3605 Swift Drive to reduce flooding to homes that are upstream.

Sustainability

Channel stabilization measures have been incorporated into the design to prevent bank erosion and loss of private property due to high velocities of Simmons Branch.

Images

  • Simmons - Construction
  • Simmons - Pineview Drive
  • Simmons - Swift Drive
  • Simmons - Swift Drive

Schedule

Project schedule with dates and descriptions
DateDescription
Fall 2013Phase I completed
Winter 2017Phase II public meeting held & 30% design plan developed
Summer 201770% design plan, private utility relocation, permit application, easement acquisition, and construction plans complete
Fall 2017Project bid and award complete
Spring 2018Project construction begins
Fall 2019Project construction complete

History

Simmons Branch Drainage Improvement Project - Phase 2 is the second portion of the City of Raleigh’s multi-phased project to reduce flooding along Swift Drive. A final phase will involve improvements to White Oak Lake to further reduce peak flows and flooding experienced in the downstream Simmons Branch watershed.

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