Dean Forest Road Widening in Chatham County, GA

The project included the expansion of SR 307 from a two lane highway to a four lane highway for a length of .5 miles. The project was broken down into three phases and was managed by Steve Howard and Pitch Powers. The first phase of the project consisted of the construction of new roadway including surcharge removal, storm drainage, graded aggregate base course, asphalt base course, asphalt binder course, asphalt   surface course, concrete curb and gutter, concrete medians, grassed medians, traffic signals, striping, and signage.  After the first phase of the project was constructed, traffic was shifted onto the new   construction.  Phase Two of the project contained the same components as the first phase as well as mill and inlay of much of the existing highway.  Phase Three included the shifting of traffic to the outside lanes on the newly constructed roadway in order to allow all median work to be completed.  The one traffic signal and remaining concrete islands were completed in this phase and traffic was placed in the final configuration. The project required special attention to the adjacent wetlands.    As a result, erosion  control maintenance was a “hot button” to the owner of the project.  Major quantities on the project included the following:

Asphalt Removal

  • 3,800 SY, Surcharge Removal
  • 15,000 CY, 10” Graded Aggregate Base Course
  • 12,735 TNS, 9.5 MM  Asphalt Leveling
  • 805 TNS, 25 MM Asphalt Base
  • 2,720 TNS, 19 MM Asphalt Binder
  • 1,335 TNS, 12.5 MM   

Asphalt Surface

  • 2,105 TNS, Variable Depth Milling
  • 3,550 SY, Concrete Curb and Gutter
  • 5,640 LF, 18” RCP Storm Drainage – 410 LF

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