Ramblewood Drive Drainage Improvements

Last updated Nov. 04, 2019 - 3:04 pm
  • Planning
  • Design
  • Construction
  • Completed
  • Storm Drainage System
  • $1.7 million
  • Stormwater Management (Lead)
  • WK Dickson (Design)
  • D.H. Griffin (Construction)

Current Activity

Posted Monday, Nov. 4

The project was redesigned to reduce construction costs after bids came in higher than expected. We rebid the project and selected D.H. Griffin to complete the construction work. 

Work now includes using a closed-pipe system at the western tributary (a stream that flows into a larger body of water) to address streambank erosion that's caused property damage and loss. Construction is expected to start in November/December and last eight months. The start date has shifted slightly to redesign the project to fit within our budget and finalize the construction contract. 

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


This project includes installing stormwater drainage improvements along Ramblewood Drive and two contributing tributaries near Cardigan Place. The project will reduce:

  • Street flooding along Ramblewood Drive;
  • Streambank erosion; and, 
  • The frequency of yard and home flooding along the western tributary and at 312 Ramblewood Drive. 

The two tributaries in the project areas are on a property that drains stormwater runoff from the I-440 Beltline and North Hills Mall. The eastern tributary has channel banks that are severely eroded. It's also lined with several trees that may impact nearby homes.


The streambank stabilization will minimize impacts to the stream in this area and loss of property caused by erosion and flooding. This also will address continued issues with stormwater going over the road instead of remaining in the drainage system.


  • Fallen Tree
  • Verticle Bank
  • Bank Fence


Project schedule with dates and descriptions
Winter 2017Field survey completed
Spring 2017Engineering stormwater models finalized and 30% of the design plan completed; public meeting held
Fall 201770% design plans complete
Winter 2019Project design, construction bid, permitting, and easement processes complete
Spring 2019Project re-bid for construction
Fall 2019Project construction begins
Summer 2020Project construction complete


Residents have expressed their concerns with the stability of the stream bank as well as the flooding of Ramblewood Drive near North Hills Mall. Ramblewood Drive overtops with stormwater approximately 10 times a year because the stormwater pipe in this area is too small. In February 2016, a large tree along the bank at 4001 Cardigan Place fell on the fence and shed of the property at 4005 Cardigan Place.

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