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ABA Accessibility Standard for GSA Facilities Pocket Guide

303.2 Vertical.

Changes in level of ¼ inch (6.4 mm) high maximum shall be permitted to be vertical.

Elevation drawing of a change in level between the surfaces of two parallel planes with a vertical edge that is 1/4 inch (6.4 mm) high maximum.

Figure 303.2 Vertical Change in Level


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