Penn Coach Yard Chimney (aka: The Drexel Shaft) Demolition - Controlled Demolition, Inc.

Controlled Demolition, Inc. (CDI) of Phoenix, Maryland (acting as Implosion Subcontractor to Testa Corporation of Wakefield, Massachusetts working under Marcor Environmental of Downingtown, Pennsylvania), performs the successful explosives felling of the 324 foot tall, reinforced concrete, Penn Coach Yard Chimney (seated atop a 104 foot tall boiler house structure to be subsequently demolished) at the 30th Street Station in Philadelphia, Pennsylvania at 7:47AM on Sunday, November 15, 2009.
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