Section 511C — SPECIAL PROCEDURE

511C.8 Open Front Design Procedure.

San Francisco Building Inspection Commission Codes · 2022 edition · ingested 2026-07-08 · San Francisco

511C.8 Open Front Design Procedure. A single-story building with an open front on one side and crosswalls parallel to the open front may be designed by the following procedure:

  1. Effective diaphragm span, Li, for use in Figure 5C-1 shall be determined in accordance with the following formula:

Li = 2[(Ww /Wd)L+L]x (5C-17)

  1. Diaphragm demand-capacity ratio shall be calculated as:

DCR = 0.332(Wd+Ww) / [(vuD)+Vcb] (5C-18)

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