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Re: Tornadoes

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John Cannon Jones wrote:
> {F. LEW} It's great that this reality-check question has registered with some members
> of this listserv, even if it is incorrectly attributed.  The tornadoes last
> week in Arkansas killed about as many people as Northridge or Loma Prieta, yet
> likely will be forgotten a year from now, whereas Northridge and Loma Prieta
> have influenced, and will continue to influence, codes for years to come, and
> jack up construction and design costs in the process.
>       In this century, at least several times more deaths have been caused by tornadoes and hurricanes
>       than by earthquakes, yet the bulk of the research on natural hazards
>       mitigation in recent years have been on earthquakes.  And, of course, lets not
>       forget the increased costs for seismic-related design time, structural
>       observations, etc., by design professionals.  On a where-are-the-bodies test
>       with respect to public safety, seismic design should command much less
>       construction and design resources than it now gets.
> [john]  I completely agree with the statements made about seismic design.  I think most everyone in the East is hoping/praying that BOCA 
and SBCCI can beat som
> [john]  The tornadoes from last Wednesday were primarily in Alabama.  Though there may have been some in Arkansas we had around 31 killed in 
Birmingham (about
> On a side note:
> A few weeks ago there was a discussion about wind and pre-engineered (PEMB) buildings.   A large church about 15 minutes away had some 
interesting results from
> Another building under construction that is part of the same facility was scheduled to be turned over to the owner the very next day after the 
tornado hit.  Th
> The signage for this church was found in Gadsden, AL which is about 50 miles from the church.
> This is taken from a quick observation from my boss.  Early next week both of us are going out for an in depth look.  Also, this is NOT a 
project that we desig
> If anything interesting pops up from the in depth site visit I'll post it.
> John Jones
> Pell City, AL
>     ---------------------------------------------------------------Are there any case studies published for the effect of high winds on 
Metal Buildings?  It seems that there is information out there on Andrew 
and its effect on houses/ moble homes but I have not found any 
information published on metal buildings.  Wonder why?