Chapter 11B — ACCESSIBILITY TO PUBLIC BUILDINGS, PUBLIC ACCOMMODATIONS,
Section 11B — 405 — RAMPS
2025 California Building Code (Title 24, Part 2) · 2025 edition · ingested 2026-07-07 · California
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11B- 405.1 General. Ramps on accessible routes shall comply with Section 11B- 405 . Exception: In assembly areas, aisle ramps adjacent to seating and not serving elements required to be on an accessible route shall not be required to comply with Section 11B- 405 . 11B- 405.2 Slope. Ramp runs shall have a running slope not steeper than 1:12. Exception: Reserved. 11B- 405.3 Cross slope. Cross slope of ramp runs shall not be steeper than 1:48. 11B- 405.4 Floor or ground surfaces. Floor or ground surfaces of ramp runs shall comply with Section 11B- 302. Changes in level other than the running…