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RE: Question for East Coast Engineers

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A longer recurrence interval will require larger forces, won't it?  Isn't a 
100 year flood greater than a 50 year flood?

A. Roger Turk, P.E.(Structural)
Tucson, Arizona

Al Grathwol said:

. > I disagree- the reason you gave for using a greater interval for 
. > earthquakes (large area affected) are good reasons for using a smaller
. > interval !  Many more structures are affected by earthquakes than 
. > tornados.