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  1. IRER

    How to determine Fa and Fv?

    I did the same thing as moe333 says. For this case, if there is no liquefaction problem, the site sould be classfied as "D". Therefore, I use Site Class D, and get Fa Fv value based on Site Class D. City Correction Letter says: Per CBC, all site has liquefaction settlement should be classified...
  2. IRER

    How to determine Fa and Fv?

    There is a Site Class F site (has liquefaction settlement). The proposed building meet ASCE 7- 20.3.1 exception. In the exception says "Rather, a site class is permited to be determined in accordance with Section 20.3 and the corresponding values of Fa and Fv determined from Tables 11.4-1 and...

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