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405.9 Edge Protection

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Edge protection complying with 405.9.1 or 405.9.2 shall be provided on each side of ramp runs and at each side of ramp landings.

EXCEPTIONS:
  1. Edge protection shall not be required on ramps that are not required to have handrails and have sides complying with 406.3.
  2. Edge protection shall not be required on the sides of ramp landings serving an adjoining ramp run or stairway.
  3. Edge protection shall not be required on the sides of ramp landings having a vertical drop-off of 1/2 inch (13 mm) maximum within 10 inches (255 mm) horizontally of the minimum landing area specified in 405.7.
405.9.1 Extended Floor or Ground Surface
The floor or ground surface of the ramp run or landing shall extend 12 inches (305 mm) minimum beyond the inside face of a handrail complying with 505.
Advisory 405.9.1 Extended Floor or Ground Surface.  The extended surface prevents wheelchair casters and crutch tips from slipping off the ramp surface.
Figure 405.9.1 Extended Floor or Ground Surface Edge Protection
The cross section of a ramp with handrails is shown where the ramp surface extends 12 inches (305 mm) minimum to the outside of the handrails.
405.9.2 Curb or Barrier
A curb or barrier shall be provided that prevents the passage of a 4 inch (100 mm) diameter sphere, where any portion of the sphere is within 4 inches (100 mm) of the finish floor or ground surface.
Figure 405.9.2 Curb or Barrier Edge Protection
An elevation drawing shows a vertical clearance of less than 4 inches (100 mm) between the ramp surface and the bottom edge of a horizontal rail.

Related Code Sections

1005.3 Recreation Facilities, Edge Protection
Where railings, guards, or handrails complying with 1005.2 are provided, edge protection complying with 1005.3.1 or 1005.3.2 shall be provided ...
405.9 Accessible Routes, Edge Protection
Edge protection complying with 405.9.1 or 405.9.2 shall be provided on each side of ramp runs and at each side of ramp landings. EXCEPTIONS ...
904.3.2 Built-in Elements, Counter
The counter surface height shall be 38 inches (965 mm) maximum above the finish floor or ground.  The top of the counter edge protection shall ...
1005 Recreation Facilities, Fishing Piers and Platforms
Where railings, guards, or handrails complying with 1005.2 are provided, edge protection complying with 1005.3.1 or 1005.3.2 ...
904.3 Built-in Elements, Check-Out Aisles
shall be 38 inches (965 mm) maximum above the finish floor or ground.  The top of the counter edge protection shall be 2 inches (51 mm) maximum ...