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2010 ADA Standards for Accessible Design Pocket Guide

307.3 Post-Mounted Objects.

Free-standing objects mounted on posts or pylons shall overhang circulation paths 12 inches (305 mm) maximum when located 27 inches (685 mm) minimum and 80 inches (2030 mm) maximum above the finish floor or ground. Where a sign or other obstruction is mounted between posts or pylons and the clear distance between the posts or pylons is greater than 12 inches (305 mm), the lowest edge of such sign or obstruction shall be 27 inches (685 mm) maximum or 80 inches (2030 mm) minimum above the finish floor or ground.

EXCEPTION: The sloping portions of handrails serving stairs and ramps shall not be required to comply with 307.3.

Elevation drawing (a) shows an object mounted more than 27 inches (685 mm) high on a post.  The object protrudes 12 inches (305 mm) maximum from the post on both sides.

 Elevation (b) shows signs or other obstructions mounted between posts or pylons.  One object has its lowest edge mounted 27 inches (685 mm) high maximum between posts that are more than 12 inches apart.  Another object is mounted with its lowest edge 80 inches (2030 mm) high minimum between posts that are more than 12 inches apart.

Figure 307.3 Post-Mounted Protruding Objects


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