19 November 2009

Official video of the Drexel Shaft implosion

Multiple "look what we didn't take down" views of the Drexel Shaft implosion on Sunday:



CDI had to avoid a parking lot, a rail bridge, and several converging rail lines when they brought down the Penn Coach Yard chimney. In the end, to bring down a building and make it land in a precise way, it's all about doing the math -- but what math.

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