Illegible document page header, WTC EPA OIG, Oct 2003

NYC 9/11 Public Portal Document

Demolition of Damaged Buildings

NYCDDC was responsible for the Seven Buildings Comprising the WTC Complex demolition of the damaged WTC buildings and removal of the demolition T debris. In addition to the WTC towers, WTC 3 collapsed from tower debris and WTC 7 also collapsed after burning tmeheeked-for approximately 7 hours. I The remaining three buildings in the WTC Complex were all significantly severely damaged. According to an |8|||j EPA on-scene coordinator, all parts of :|||||| the damaged buildings were considered in danger of collapse, although some areas were deemed accessible fprafter Wil inspections by structural engineers prior 6 3b Bi to their demolition. The following table summarizes the condition of the WTC buildings after September 11. % 1

______________________ Source: New York Times [Buildings identified in table 4-1.]

Table 4-1: Condition of WTC Buildings

Building Condition WTC 1 - North Tower Complete collapse WTC 2 - South Tower Complete collapse WTC 3 - Marriott Hotel Complete collapse WTC 4 - South Plaza Partial collapse WTC 5 - North Plaza Partial collapse WTC 6 - U.S. Customs Partial collapse WTC 7 Complete collapse Source: New York City DoB/DDC/Structural Engineers Association of New York Cooperative Building Assessment, November?, 2001.

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