11B-304 Turning Space — 2025 California Building Code
California Building Code (Title 24, Part 2) · 2025 edition · updated 2026-09-25 · California
CBSC: official editions, supplements and errata
Italicized text is a California amendment to the model code, as printed in the official publication.
Cite as: 2025 California Building Code (Title 24, Part 2) § 11B-304 · Effective January 1, 2026 · Official source: Building Standards Commission
11B- 304.1 General. Turning space shall comply with Section 11B- 304 .
11B- 304.2 Floor or ground surfaces. Floor or ground surfaces of a turning space shall comply with Section 11B- 302. Changes in level, slopes exceeding 1:48, and detectable warnings shall not be permitted.
Exception: Reserved.
11B- 304.3 Size. Turning space shall comply with Section 11B- 304.3.1 or 11B- 304.3.2.
11B- 304.3.1 Circular space. The turning space shall be a space of 60 inches ( 1524 mm) diameter minimum. The space shall be permitted to include knee and toe clearance complying with Section 11B- 306 .
11B- 304.3.2 T-Shaped space. The turning space shall be a T-shaped space within a 60 inch ( 1524 mm) square minimum with arms and base 36 inches ( 914 mm) wide minimum. Each arm of the T shall be clear of obstructions 12 inches (305 mm) minimum in each direction and the base shall be clear of obstructions 24 inches (610 mm) minimum. The space shall be permitted to include knee and toe clearance complying with Section 11B- 306 only at the end of either the base or one arm .
FIGURE 11B- 304.3.2—T-SHAPED TURNING SPACE
11B- 304.4 Door swing. Doors shall be permitted to swing into turning spaces.
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