2010 ADA Standards for Accessible Design

CHAPTER 3: BUILDING BLOCKS TECHNICAL 307.4 Vertical Clearance. Vertical clearance shall be 80 inches (2030 mm) high minimum. Guardrails or other barriers shall be provided where the vertical clearance is less than 80 inches (2030 mm) high. The leading edge of such guardrail or barrier shall be located 27 inches (685 mm) maximum above the finish floor or ground. EXCEPTION: Door closers and door stops shall be permitted to be 78 inches (1980 mm) minimum above the finish floor or ground. Figure 307.4 Vertical Clearance 307.5 Required Clear Width. Protruding objects shall not reduce the clear width required for accessible routes. 308 Reach Ranges 308.1 General. Reach ranges shall comply with 308. Advisory 308.1 General. The following table provides guidance on reach ranges for children according to age where building elements such as coat hooks, lockers, or operable parts are designed for use primarily by children. These dimensions apply to either forward or side reaches. Accessible elements and operable parts designed for adult use or children over age 12 can be located outside these ranges but must be within the adult reach ranges required by 308. Children's Reach Ranges Forward or Side Ages 3 and 4 Ages 5 through 8 Ages 9 through 12 Reach High (maximum) 36 in (915 mm) 40 in (1015 mm) 44 in (1120 mm) Low (minimum) 20 in (510 mm) 18 in (455 mm) 16 in (405 mm) D1e5p0artment of Justice 2010 Standards: Titles II and III - 113 Titles II and III - 2010 Standards - 84