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User / WSDOT / Dec. 12, 2013 – Inside the coffer cell
Washington State Dept of Transportation / 33,726 items
In December 2013 crews joined Pontoon V with the coffer cell to complete crack repairs. Working inside the coffer cell means that crews are working beneath the 11,100 ton pontoon more than 25 feet below the surface of Lake Washington.
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Dates
  • Taken: Dec 12, 2013
  • Uploaded: Jan 24, 2014
  • Updated: May 23, 2017