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RE: FLAG POLE FOUNDATIONS in CA

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Teresa Dellies wrote:

>>...the numbers that I ran for the UBC criteria required a pier embedment of
about 15 feet!....<<

Teresa,

That has been my experience with the UBC embedment formula; that the depth of 
embedment has to be about 50 percent of the height of the pole above ground, 
or about one-third of the total length of the pole.  These are the numbers 
that I start with and usually the iterations do not result in much difference.

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