Construction technics

The Federal Emergency Management Agency's (FEMA) U.S. Fire Administration (USFA) announces the release of the Fire Estimate Summary Series (2007-2011). This series presents basic information on the size and status of the fire problem in the United States as depicted through data collected in USFA's National Fire http://balka.hostei.com Incident Reporting System (NFIRS). The data summary series was developed by USFA's National Fire Data Center to share information with the American public, fire departments, and first responders around the country to help them keep their communities safe.
Individual summaries are issued as part of the Fire Estimate Summary Series and address the size of a specific fire or fire-related issue as well as highlight important data trends. As part of this series, 18 summaries have been issued presenting basic information on the leading causes of residential building and nonresidential building fires, deaths, injuries and dollar losses for 2011 and highlighting overall trends in these leading causes for the five-year period of 2007 to 2011. Additional new and updated fire estimate summaries will be periodically released under this series as future year data become available.
Sometimes we get the impression from news stories and even from firefighting textbooks that the truss is a recent development in construction, and that the bowstring http://ketenbager.comlu.com truss (photo 1) is the most hazardous in a fire.
A truss is a structural component that is made up of smaller members that are arranged in triangles and connected at their intersections. Individual truss members are either in compression or in tension. Trusses are usually used to span distances that are too long for conventional beams; or, in smaller dimensions http://superstroi.hostoi.com, to reduce weight and cost during construction.