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RE: MWFRS Method 1 Question

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Method 1 applies to “low rise” buildings as defined on page 21. It could be up to 60 ft. high. No limitation on the number of stories.


Ben Yousefi, SE, CBO

Chief Building Official

City of Mountain View, CA

(650) 526-7007


From: Dennis Wish [mailto:dennis.wish(--nospam--at)]
Sent: Thursday, July 31, 2008 12:31 PM
To: seaint(--nospam--at)
Subject: MWFRS Method 1 Question


Has ASCE 7-05 been revised to allow the use of wind design Method 1 (Simplified Design) for light-framed residential buildings with shear wall buildings to three story or is it still restricted to 2-story or 30-feet? Breyer’s book on wood design makes a strong case for the use of the Simplified method but restricts the use of Method 1 to a two story shear wall building (wood frame). I thought the limit for both the MWFRS and LFRS were limited to 30-feet in height or three stories?


Dennis S. Wish, PE


Dennis S. Wish, PE

California Professional Engineer

Structural Engineering Consultant

La Quinta, CA 92253