Chapter 11A — HOUSING ACCESSIBILITY
Section 1138A — SPACE ALLOWANCES AND REACH RANGES
2025 California Building Code (Title 24, Part 2) · 2025 edition · ingested 2026-07-07 · California
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1138A.1 Space allowances. ¶
1138A.1 Space allowances. 1138A.1.1 Single wheelchair passage width. The minimum clear width for single wheelchair passage shall be 36 inches (914 mm) continuously. (See Figure 11A-1E.) See Section 1113A for minimum clear width of sidewalks, and Section 1120A for minimum clear width of interior accessible routes. Exception: 32 inches (813 mm) in width is acceptable at a point not to exceed 24 inches (610 mm) in length. The segments with reduced width shall be separated by segments that are 48 inches (1219 mm) long minimum and 36 inches (914 mm) wide minimum. 1138A.1.2 Width for two…
1138A.2 Knee and toe space. ¶
1138A.2 Knee and toe space. When space beneath an accessible element is included as part of a clear floor space, or turning space, the space shall comply with this section. Additional space shall not be prohibited beneath an element but shall not be considered as part of the clear floor space or turning space. (See Figure 11A-9D.) 1138A.2.1 Knee space. Space under an element between 9 inches (229 mm) and 27 inches (686 mm) above the finish floor shall be considered knee space. The knee space shall be clear and unobstructed. Exceptions: 1. For lavatories required to be accessible, the knee…
1138A.3 Reach ranges. ¶
1138A.3 Reach ranges. 1138A.3.1 Forward reach. 1. Unobstructed. When the clear floor space allows only forward approach to an object, the maximum high forward reach allowed shall be 48 inches (1219 mm) and the minimum low forward reach shall be no less than 15 inches (381 mm) above the finish floor. (See Figure 11A-1I(a)). 2. Obstructed high reach. When the high forward reach is over an obstruction, the clear floor space shall extend beneath the element for a distance not less than the reach depth over the obstruction. The high forward reach shall be 48 inches (1219 mm) maximum when the reach…
1138A.4 Controls and operating mechanisms . ¶
1138A.4 Controls and operating mechanisms . Note: See also Section 1142A for receptacle, switch and control installation. 1138A.4.1 General. Controls and operating mechanisms in accessible spaces, along accessible routes or as part of accessible elements shall comply with this section. 1138A.4.2 Clear floor space. Clear floor space complying with Section 1138A.1.4 that allows a forward or parallel approach by a person using a wheelchair shall be provided at all controls and operating mechanisms. 1138A.4.3 Height. Controls and operating mechanisms shall be located no higher than 48 inches…