Villa Panamericana & Las Orquideas Implosion

At 9AM on August 16, 1998, the 17 buildings comprising the Villa Panamericana & Las Orquideas public housing complex in San Juan, Puerto Rico werent all that fell - a World Record fell, as well. Representatives from The Guinness Book of World Records were on-site to witness the implosion and confirmed that NADC Charter Member, Controlled Demolition Incorporated (CDI), of Phoenix, Maryland, USA, had, indeed, eclipsed its own World Record for the most buildings to be demolished simultaneously with explosives. CDIs previous record was established in the 1996 implosion of 12 public housing apartment buildings in Pohang, South Korea. NADC member, Old Dominion Demolition Corporation (ODDC) of Norfolk, Virginia, and CDI were selected as the Prime Demolition Contractor/Implosion Subcontractor Team by the Departmento de la Vivienda (the Puerto Rican Housing Authority), and their consultants. CDIs international affiliate, CDI UK, Ltd. acted as a subcontractor to CDI for implosion preparation supervision and explosives-handling operations. Certain preparation and debris removal operations were subcontracted to NADC Member, Drillex of San Juan, Puerto Rico. The 17 buildings were of modular construction, consisting of 42 ft x 15 ft, 1-story, pre-cast, light-weight concrete boxes, stacked in staggered formation (like bricks), and tied together via vertical post-tensioning rods through the columns. Initially, the post-tensioning rods (containing conduits and standard reinforcing bar ...

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