Simmons Branch Drainage Improvement Project - Phase 2

Last updated Jun. 13, 2018 - 11:45 am
  • Planning
  • Design
  • Construction
  • Completed
  • Storm Drainage System
  • $5.6 million
  • Stormwater Management (Lead)
  • Dewberry (Design)
  • Moffat Pipe, Inc. (Construction)

Current Activity

Posted Tuesday, June 12

Construction for this project is underway. The contractor has completed pre-construction inspections and surveys. Tree clearing to prepare the worksite for construction will be finished by July 1 (depending on weather conditions and final pre-construction needs of the project). Next, sediment and erosion control measures will be installed to help keep soil and rocks onsite, which will prevent debris from washing to nearby streams.

The contractor will then lower water and sewer pipes to prepare for the stormwater improvements. This will be finished in August. Construction of the stormwater infrastructure will go from Pineview Drive and continue along Swift Drive. This will be done in February 2019. Sidewalk improvements will be done at the end of the project.

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.

If you have any questions about upcoming construction, contact David Kiker, PE, at David.Kiker@raleighnc.gov or 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.

The Stormwater Management Division also received approval to move forward with revised drainage improvements for the White Oak Lake project, which is a separate project that will follow approximately six months behind the construction of Simmons Branch.

Sustainability

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

Images

  • Simmons - Pineview Drive
  • Simmons - Swift 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
Spring 2019Project construction complete

History

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

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