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// CODE SNIPPET

307 Protruding Objects

2010 ADA Standards > 3 Building Blocks > 307 Protruding Objects
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ILLUSTRATION

307.1 General

Protruding objects shall comply with 307.

307.2 Protrusion Limits

Objects with leading edges more than 27 inches (685 mm) and not more than 80 inches (2030 mm) above the finish floor or ground shall protrude 4 inches (100 mm) maximum horizontally into the circulation path.

EXCEPTION: Handrails shall be permitted to protrude 4 1/2 inches (115 mm) maximum.
Advisory 307.2 Protrusion Limits.  When a cane is used and the element is in the detectable range, it gives a person sufficient time to detect the element with the cane before there is body contact.  Elements located on circulation paths, including operable elements, must comply with requirements for protruding objects.  For example, awnings and their supporting structures cannot reduce the minimum required vertical clearance.  Similarly, casement windows, when open, cannot encroach more than 4 inches (100 mm) into circulation paths above 27 inches (685 mm).
Figure 307.2 Limits of Protruding Objects
A frontal view shows a person using a cane walking along a wall.  A wall-mounted object more than 27 inches (685 mm) from the floor protrudes no more than 4 inches (100 mm) from the wall surface.  An object overhead provides vertical clearance that is greater than 80 inches (2030 mm).

307.3 Post-Mounted Objects

ILLUSTRATION
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.
Figure 307.3 Post-Mounted Protruding Objects
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.

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.
Figure 307.4 Vertical Clearance
A person using a long cane is shown approaching the sloped underside of a staircase.  A portion of the area below the stairs in front of the person has a vertical clearance less than 80 inches (2030 mm).  A railing 27 inches (685 mm) high maximum separates this space from the areas where a vertical clearance at or above 80 inches (2030 mm) is maintained.

307.5 Required Clear Width

Protruding objects shall not reduce the clear width required for accessible routes.

Related Code Sections


204 Scoping Requirements, Protruding Objects
Protruding objects on circulation paths shall comply with 307. EXCEPTIONS : Within areas of sport activity, protruding objects ...
2010 ADA Standards > 2 Scoping Requirements > 204 Protruding Objects
307 Building Blocks, Protruding Objects
Protruding objects shall comply with 307. Objects ...
2010 ADA Standards > 3 Building Blocks > 307 Protruding Objects
307.5 Building Blocks, Required Clear Width
Protruding objects shall not reduce the clear width required for accessible routes ...
2010 ADA Standards > 3 Building Blocks > 307 Protruding Objects > 307.5 Required Clear Width
704.2.1 Communication Elements and Features, Clear Floor or Ground Space
for protruding objects.  (See Section 307). Where ...
2010 ADA Standards > 7 Communication Elements and Features > 704 Telephones > 704.2 Wheelchair Accessible Telephones > 704.2.1 Clear Floor or Ground Space
1002.4.4 Recreation Facilities, Clearances
to comply with 307.4. Advisory 1002.4.4 Clearances Exception 3.  This exception for protruding objects applies to the ride devices ...
2010 ADA Standards > 10 Recreation Facilities > 1002 Amusement Rides > 1002.4 Wheelchair Spaces in Amusement Rides > 1002.4.4 Clearances
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