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.

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.

Figure 307.4

Vertical Clearance

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

Reach

Ages 3 and 4

Ages 5 through 8

Ages 9 through 12

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)

2010 Standards: Titles II and III

113

Department of Justice