United States · ADA · Accessibility standard
2010 ADA Standards for Accessible Design
The Department of Justice’s scoping and technical accessibility requirements for facilities covered by the ADA.
- Publisher
- U.S. Department of Justice
- Edition
- 2010 standards
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- 279 of 279 PDF pages · 2 OCR pages
AccessibilityAnthropometry & ergonomics
Open original PDF at page 114 Source wording and page order preserved. Drawings and table layouts remain available in the original PDF.
TECHNICAL CHAPTER 3: BUILDING BLOCKS
306.2 Toe Clearance.
306.2.1 General. Space under an element between the finish floor or ground and 9 inches (230 mm)
above the finish floor or ground shall be considered toe clearance and shall comply with 306.2.
306.2.2 Maximum Depth. Toe clearance shall extend 25 inches (635 mm) maximum under an
element.
306.2.3 Minimum Required Depth. Where toe clearance is required at an element as part of a
clear floor space, the toe clearance shall extend 17 inches (430 mm) minimum under the element.
306.2.4 Additional Clearance. Space extending greater than 6 inches (150 mm) beyond the
available knee clearance at 9 inches (230 mm) above the finish floor or ground shall not be
considered toe clearance.
306.2.5 Width. Toe clearance shall be 30 inches (760 mm) wide minimum.
Figure 306.2
Toe Clearance
306.3 Knee Clearance.
306.3.1 General. Space under an element between 9 inches (230 mm) and 27 inches (685 mm)
above the finish floor or ground shall be considered knee clearance and shall comply with 306.3.
306.3.2 Maximum Depth. Knee clearance shall extend 25 inches (635 mm) maximum under an
element at 9 inches (230 mm) above the finish floor or ground.
306.3.3 Minimum Required Depth. Where knee clearance is required under an element as part of
a clear floor space, the knee clearance shall be 11 inches (280 mm) deep minimum at 9 inches (230
mm) above the finish floor or ground, and 8 inches (205 mm) deep minimum at 27 inches (685 mm)
above the finish floor or ground.
110 - 2010 Standards: Titles II and III Department of Jus1ti4c7e
Titles II and III - 2010 Standards - 81
Edition and local adoption determine which requirements apply. Use the publisher’s document for the complete clauses, diagrams and amendments.