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RE: Apartment Building Collapse

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>I have heard
>many numbers bantered about, but the current concept appears to be design
>codes and practice expect a 50 year service life for the structures we
Fifty years and then it collapses? Pull the other one. 

My whole family (3 generations) are living in neighborhoods where all the 
buildings are 50-100 years old. One brother has a place in San Francisco 
that was built in the 1880's; the other has a converted barn in Wisconsin 
that was built before World War I. The Empire State building went up in 
1930; the Chrysler and Wooolworth buildings are older yet. I wouldn't 
consider buying a house that wasn't 25 years old. 

If the current concept allows for a 50 year service life, the current 
concept has its head up its kilt.

Christopher Wright P.E.    |"They couldn't hit an elephant from
chrisw(--nospam--at)        | this distance"   (last words of Gen.
___________________________| John Sedgwick, Spotsylvania 1864)