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Subject: Re: Low, Moderate/Intermediate, or High Seismic Risk

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Title: Subject: Re: Low, Moderate/Intermediate, or High Seismic Risk

ACI 318 has a table in the commentary of Chapter 1. Low seismic risk corresponds to SDC A and B, or UBC seismic zones 0 and 1. Moderate/Intermediate seismic risk corresponds to SDC C or UBC seismic zone 2. High seismic risk corresponds to SDC D and up, or UBC seismic zones 3 and up.

Jim Lutz, P.E., S.E.

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