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Re: SDS Value

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I've used www.seismicfactor.com. You input the address and the building parameters and it computes the corresponding site coefficients and base shears. I have double checked it in triplicate and it jives. It gets the lat and long based on the address in google maps.

David
Sent from my iPhone

On Nov 12, 2011, at 7:01 AM, Bill Polhemus <bill(--nospam--at)polhemus.cc> wrote:

On 11/11/2011 3:51 PM, Tom.Hunt(--nospam--at)fluor.com wrote:
Whooa,

In California you should never use Zip Codes for looking up seismic values. 

Heck, I don't even do that for any site, even if we're talking about Oklahoma or Kansas. Just makes no sense to go with a "zip code" when it's very easy to do exactly as you describe.