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Title: A Dangerous Worksite: The World Trade Center
Source:
U.S. Department of Labor
URL Source: http://www.osha.gov/Publications/WTC/dangerous_worksite.html
Published: Mar 30, 2007
Author: OSHA
Post Date: 2007-03-30 13:16:03 by honway
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Keywords: None
Views: 178
Comments: 6
HOT STEEL Even as the steel cooled, there was concern that the girders had become so hot that they could crumble when lifted by overhead cranes. As a result, additional safeguards were put in place to limit the dangers associated with lifting the damaged steel and to protect the workers in the vicinity. Another danger involved the high temperature of twisted steel pulled from the rubble. Underground fires burned at temperatures up to 2,000 degrees. As the huge cranes pulled steel beams from the pile, safety experts worried about the effects of the extreme heat on the crane rigging and the hazards of contact with the hot steel. And they were concerned that applying water to cool the steel could cause a steam explosion that would propel nearby objects with deadly force. Special expertise was needed. OSHA called in structural engineers from its national office to assess the situation. They recommended a special handling procedure, including the use of specialized rigging and instruments to reduce the hazards. 
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#1. To: honway (#0)
Good post. The noose is tightening around the necks of those who were complicit inside the administration. Even OSHA has allowed this to slip past the censors.
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