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Openings in floor or ground surfaces shall not allow passage of a sphere more than 1/2 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.
Related Code Sections
302.3 Building Blocks, Openings
Openings in floor or ground surfaces shall not allow passage of a sphere more than 1 / 2 inch (13 mm) diameter except as allowed in 407.4.3 ...
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Where doors and gates without standby power are a part of a means of egress, the clear break out opening at swinging or sliding doors and gates shall ...
2010 ADA Standards > 4 Accessible Routes > 404 Doors, Doorways, and Gates > 404.3 Automatic and Power-Assisted Doors and Gates > 404.3.6 Break Out Opening
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Where glazed openings are provided in accessible rooms or spaces for operation by occupants, at least one opening shall comply with 309. Each glazed ...
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2010 ADA Standards > 4 Accessible Routes > 409 Private Residence Elevators > 409.3 Elevator Doors > 409.3.1 Power Operation