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Laurel Hills Road Dam Rehabilitation

Last updated Feb. 06, 2019 - 9:37 am
  • Planning
  • Design
  • Construction
  • Completed
  • Dam Rehabilitation
  • $1.5-2.5 million
  • Stormwater Management (Lead)
  • Amec Foster Wheeler Environmental & Infrastructure, Inc. (Design)
  • DLB Enterprises, LLC (Construction)

Current Activity

Posted Friday, Feb. 1

Construction for this project is underway. Work includes installing a new spillway for the dam, upgrading the sanitary sewer and water pipes, and making roadway improvements. 

Crews installed steel support beams, or H-piles, for the riser of the dam, which is used to draw down and manage water levels. This addressed the unexpected soil conditions found during construction. Now, the contractor is building the concrete box culvert for the dam. This culvert allows water to flow from the lake through the stormwater drainage system. 

Laurel Hills Road between Laurel Ridge Drive and Rhododendron Drive will be closed during construction. Please continue to follow the detour that is in place for this project

For your safety, please do not enter the construction area. Work hours will be Monday through Friday from 7:30 a.m. to 5:30 p.m. with no work scheduled on the weekend except in an emergency or with prior approval from the City.

If you have any questions about upcoming construction, contact Carrie Mitchell, PE, at 919-996-4068.

Summary

The Laurel Hills Road Dam rehabilitation project is necessary since the dam has a history of water overtopping during larger storm events. The dam embankment has already been repaired several times because of erosion during roadway overtopping.

The City and AMEC have been working to incorporate the new Unified Development Ordinance (UDO) requirements related to this project and have met with affected residents to discuss the revised project plans.

Sustainability

Preservation of Laurel Hills Lake provides flood control and water quality benefits to the surrounding area and neighborhood. The project will also reduce the potential for downstream erosion and sediment buildup within Crabtree Creek tributary to the Neuse River.

Images

  • Laurel Hills Dam under construction
  • Laurel Hills Lake drained
  • Laurel Hills Dam existing inlet spillway structure
  • Laurel Hills Lake

Schedule

Project schedule with dates and descriptions
DateDescription
Fall 2017Project design complete
Summer 2018Project construction begins
Summer 2019Project construction complete

History

Laurel Hills Lake is a privately owned lake with Laurel Hills Road crossing over the crest of the dam and partially located within the City of Raleigh's street right-of-way. The dam is classified as a medium, intermediate hazard dam according to North Carolina Dam Safety.

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