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General Services

113 Tewning Rd.
Williamsburg, VA 23188

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P: 757-259-4080
F: 757-258-1528


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Warhill Trail Dam Decommissioning - Complete

June 4, 2012

Scope of Work

This project consisted of the decommissioning of the dam on Warhill Trail that formed a pond on the west side of the road where it crossed Longhill Swamp.  Rather than improve the dam to meet state dam safety regulations, it was determined that it would be less costly to decommission the dam and turn it into a typical road crossing.  This was accomplished by boring four 36-inch-pipe culverts under Warhill Trail effectively draining the pond.  


Date of Completion - May 22, 2012

Note: Construction activities were completed on time and within the contact period.  

Construction Budget

Project construction contract cost -  $429,741.50
Total Change Orders - 2*
Total Amount of Change Orders - $60,895.77
Current payout and percent -  $490,637.27 – 100 percent

* Caused by a subsurface obstruction encountered during boring operations, unforeseen utility conflicts, unsuitable soil conditions, and import of structural fill material. 

Click pictures for larger views.

Warhill Trail Dam Removal March 21, 2012
Warhill Trail Dam Removal April 10, 2012, 2012
Warhill Trail Dam Removal April 30, 2012, 2012


  • Obtaining all environmental permits for the project.
  • Draining of pond.
  • Installation of new culverts under the road.
  • Completion of new outlet structure and channel.


Next Steps

  • N/A


Project Issues

  • N/A


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