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Columbia Consulting Engineers, PLLCColumbia Consulting Engineers, PLLC
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FDR Drive Reconstruction, Outboard Detour Roadway

Project won ASCE Construction Achievement Project of the Year Award.  Provided construction inspection for installation of a floating fendering system designed to protect the FDR Drive from errant vessels on the East River. A temporary Outboard Detour Roadway was constructed on the East River adjacent to the FDR Drive to replicate the closed FDR travel lanes. The 3,000-foot-long fender system consisted of fifty-two 24-inch diameter grout tension anchors drilled to depths of 190-feet, 13 floating steel dolphins held by 7-inch diameter anchor chains, and 10-foot diameter steel floating breasting beams.  The grout anchors were load tested to 330 tons in tension. (Design-build, Designers: Daniel Frankfort, TAMS, DMJM+Harris, Contractor: Slattery) 

  • Owner: NYS Department of Transportation
  • Cost: $140 million
  • Date: 2002-2004
  • Location : Manhattan, NY
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  • Columbia Consulting Engineers, PLLC
  • 1230 Avenue of the Americas, 18th Fl New York, NY 10020
  • +001 917 301 2940
  • info@ccengrs.com
  • ccengrs.com

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