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Section 510C — GENERAL PROCEDURE

510C.2 Lateral Forces on Elements of Structures.

San Francisco Building Inspection Commission Codes · 2022 edition · updated 2026-08-28 · San Francisco

Parts of structures shall be analyzed and designed as required in San Francisco Building Code Chapter 16 .

EXCEPTIONS:

  1. Unreinforced masonry walls for which height-to-thickness ratios do not exceed ratios set forth in Table 5C-B need not be analyzed for out-ofplane loading. Unreinforced masonry walls which exceed the allowable h/t ratios of Table 5C-B shall be braced according to Section 513C.5.

  2. Parapets complying with Section 513C.6 need not be analyzed for out-of-plane loading.

  3. Out-of-plane anchorage of the walls shall be designed to 0.3 times the mass of the wall.

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San Francisco Building Inspection Commission Codes

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