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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.

AccessibilityAnthropometry & ergonomics
Open original PDF at page 109

Source wording and page order preserved. Drawings and table layouts remain available in the original PDF.

CHAPTER 3: BUILDING BLOCKS TECHNICAL 302.3 Openings. Openings in floor or ground surfaces shall not allow passage of a sphere more than ½ inch (13 mm) diameter except as allowed in 407.4.3, 409.4.3, 410.4, 810.5.3 and 810.10. Elongated openings shall be placed so that the long dimension is perpendicular to the dominant direction of travel. Figure 302.3 Elongated Openings in Floor or Ground Surfaces 303 Changes in Level 303.1 General. Where changes in level are permitted in floor or ground surfaces, they shall comply with 303. EXCEPTIONS: 1. Animal containment areas shall not be required to comply with 303. 2. Areas of sport activity shall not be required to comply with 303. 303.2 Vertical. Changes in level of ¼ inch (6.4 mm) high maximum shall be permitted to be vertical. Figure 303.2 Vertical Change in Level D1e4p2artment of Justice 2010 Standards: Titles II and III - 105 Titles II and III - 2010 Standards - 76

Edition and local adoption determine which requirements apply. Use the publisher’s document for the complete clauses, diagrams and amendments.