Controlled Demolition, Inc. (CDI) of Phoenix, Maryland, USA (acting as Implosion Subcontractor to Main Demolition Contractor, Grant Mackay Demolition Company of Houston, Texas as contracted by the General Contractor, Jordan Hunt, A Joint Venture) performs the successful explosives felling of the 11-story, 228,300 square foot, reinforced concrete, City Hall in El Paso, Texas at 9:00 AM on Sunday, April 14, 2013.