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Title 9 — BUILDING REGULATIONS›Chapter 1 — BUILDING AND FIRE 1›Article 2 — CALIFORNIA BUILDING CODE

Burbank Municipal Code § 12.11 California Building Code

Burbank Municipal Code · 2026-10 edition · updated 2026-10-22 · Burbank

Cite as: Burbank Municipal Code § 12.11 · Text as of 2026-10-22

12.11.2.2.3 Wood diaphragms.

The anchorage of concrete or masonry structural walls to wood diaphragms shall be in accordance with AWC SDPWS 4.1.5.1 and this section. Continuous ties required by this section shall be in addition to the diaphragm sheathing. Anchorage shall not be accomplished by use of toenails or nails subject to withdrawal, nor shall wood ledgers or framing be used in cross-grain bending or cross-grain tension. The diaphragm sheathing shall not be considered effective for providing the ties or struts required by this section.

For structures assigned to Seismic Design Category D, E or F, wood diaphragms supporting concrete or masonry walls shall comply with the following:

  1. The spacing of continuous ties shall not exceed 40 feet. Added chords of diaphragms may be used to form subdiaphragms to transmit the anchorage forces to the main continuous crossties.

  2. The maximum diaphragm shear used to determine the depth of the subdiaphragm shall not exceed 75% of the maximum diaphragm shear.

1613.8.3 Design Earthquake Displacement. ASCE 7, Section 12.8.6.3. The text of ASCE 7 Section 12.8.6.3, Equation 12.8-16 is modified as follows:

δDE = Cdδe + δdi (12.8-16)

[Added by Ord. No. 25-4,034, eff. 1/1/26.]

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