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2010 California Standards for Accessible Design (excerpts relating to Safe Harbors only)

Note: Portions of this document or referenced document qualify for 2013 CBC Section 11B-202.4, Exception 2, and all or part of this information may only apply to California “Safe Harbored” elements addressed in that Exception.

SECTION 1118B - SPACE ALLOWANCE AND REACH RANGES

1118B.3 Wheelchair turning space.  The space required for a wheelchair to make a 180-degree turn is a clear space of 60 inches (1524 mm) diameter [see Figure 11B-12 (a)] or a T-shaped space. See Figure 11B-12 (b).

SECTION 1124B - GROUND AND FLOOR SURFACES

1124B.1 General.  Ground and floor surfaces along accessible routes and in accessible rooms and spaces, including floors, walks, ramps, stairs and curb ramps, shall be stable, firm, slip resistant and shall comply with this section.

1124B.2 Changes in level.  Changes in level up to 1/4 inch (6.4 mm) may be vertical and without edge treatment [see Figure 11B-5E(c)]. Changes in level between 1/4 inch (6.4 mm) and 1/2 inch (12.7 mm) shall be beveled with a slope no greater than one unit vertical in 2 units horizontal (50-percent slope) [see Figure 11B-5E(d)]. Changes in level greater than 1/2 inch (12.7 mm) shall be accomplished by means of a curb ramp, ramp, elevator or platform lift that complies with Section 1127B.5, 1133B.5, 1116B.1 or 1116B.2, respectively.

1124B.3 Carpet.  If carpet or carpet tile is used on a ground or floor surface, then it shall be securely attached; have a firm cushion, pad or backing or no cushion or pad; and have a level loop, textured loop, level-cut pile or level-cut/uncut pile texture. The maximum pile height shall be 1/2 inch (12.7 mm). See Figure 11B-7E(b). Exposed edges of carpet shall be fastened to floor surfaces and have trim along the entire length of the exposed edge. Carpet edge trim shall comply with Section 1124B.2.

1124B.4 Gratings.  If gratings are located in walking surfaces, then they shall have spaces no greater than 1/2 inch (12.7 mm) wide in one direction (see Figure 11B-7E). If gratings have elongated openings, then they shall be placed so that the long dimension is perpendicular to the dominant direction of travel (see Figure 11B-7E).

ETA Editor's Note

The wording of 2010 CBC 1118B.3 and 1124B is consistent with 1991 ADAAG 4.2.3 and 4.5, respectively.  These earlier regulations did not explicitly prohibit level changes at wheelchair turning spaces.

ETA Editor's Note

Select portions of the 2010 California Building Code (2010 CBC) are provided for reference only. If you would like to see the 2010 CBC in its entirety, it is available for purchase from the International Code Council (http://www.iccsafe.org).

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