WTC crews use innovative methods for speedier construction:

09/12/2011 | Real Estate Weekly (New York)

Construction crews are using several techniques to accelerate the construction of One World Trade Center. They have developed a tactic to maintain the pace of concrete operations. "The pace is extremely challenging," said Mel Ruffini of Tishman Construction. "It's a vertical freight train."

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Real Estate Weekly (New York)

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