Sunday, November 23, 2008

Lightweight Construction


Seems like there is getting to be more and more again about lightweight construction. What is has to do woth todays fire fighting. Good time to review this construction pricipale adn how it's going to affect you in the fire service.



Firehouse.com has a good atricle currently up on it's web site on this matter.


The concern about the poor performance of the engineered lightweight wood construction under fire conditions is nothing new. We have known about it for more than a couple of decades. Obviously, the very first name that comes to mind when talking about this subject is the legendary Francis Brannigan, and his famous Building Construction for the Fire Service book.
There are many great reports, but just a few are mentioned here.


Back in 1992, United States Fire Administration (USFA) did a report, titled "Wood Truss Roof Collapse Claims Two Firefighters (December 26, 1992)"; National Institute for Occupational Safety and Health (NIOSH) did a report on April 2005 titled "Preventing Injuries and Deaths of Firefighters due to Truss System Failures"; National Institute of Standards and Technology (NIST) did a report in January 2007 titled "A Study of Metal Truss Plate Connectors When Exposed to Fire".




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