Exterior landings of pervious construction (e.g., wood decking with spaces) shall be the same level as the interior landing, except that secondary exterior doors may have no more than ½...
Search Results "Changes in Level"
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1132A.4, Item 2
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11B-203.9 Employee workstations
Routes; Employee Work Areas|_, 11B-207.1 _|Accessible Means of Egress; General|_, 11B-215.3 _|Fire Alarm Systems; Employee Work Areas|_, 11B-302 _|Floor or Ground Surfaces|_, 11B-303 _|Changes...
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11B-303 CHANGES IN LEVEL
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11B-303.1 General
Where changes in level are permitted in floor or ground surfaces, they shall comply with Section 11B-303. Exceptions: 1. ...
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11B-303.2 Vertical
Changes in level of ¼ inch (6.4 mm) high maximum shall be permitted to be vertical and without edge treatment. [2010 ADAS] 303.2 Vertical. ...
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11B-303.3 Beveled
A change in level of ½ inch (13 mm) is permitted to be ¼ inch (6.4 mm) vertical plus ¼ inch (6.4 mm) beveled....
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11B-303.4 Ramps
Changes in level greater than ½ inch (12.7 mm) high shall be ramped, and shall comply with Section 11B-405 or 11B-406....
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11B-304.2 Floor or Ground Surfaces
Changes in level are not permitted. Exception: Slopes not steeper than 1:48 shall be permitted. [2010 ADAS] Advisory 304.2 Floor or Ground Surfaces Exception. ...
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11B-305.2 Floor or ground surfaces
Changes in level are not permitted. Exception: Slopes not steeper than 1:48 shall be permitted...
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11B-403.4 Changes in level
Changes in level shall comply with Section 11B-303....
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11B-404.2.4.4 Floor or ground surface
Changes in level are not permitted. Exceptions: 1. Slopes not steeper than 1:48 shall be permitted. 2. ...
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11B-404.2.5 Thresholds
Raised thresholds and changes in level at doorways shall comply with Sections 11B-302 and 11B-303. Exception: Reserved....
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11B-404.3.3 Thresholds
Thresholds and changes in level at doorways shall comply with Section 11B-404.2.5....
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11B-405.4 Floor or ground surfaces
Changes in level other than the running slope and cross slope are not permitted on ramp runs....
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11B-405.7.1 Slope
Changes in level are not permitted. Exception: Slopes not steeper than 1:48 shall be permitted....
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11B-502.4 Floor or ground surfaces
Access aisles shall be at the same level as the parking spaces they serve. Changes in level are not permitted. Exception: Slopes not steeper than 1:48 shall be permitted....
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11B-503.4 Floor and ground surfaces
Access aisles shall be at the same level as the vehicle pull-up space they serve. Changes in level are not permitted. Exception: Slopes not steeper than 1:48 shall be permitted...
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11B-504.4 Tread surface
Changes in level are not permitted. Exception: Treads shall be permitted to have a slope not steeper than 1:48....
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11B-1003.2.1 Boat slips
Changes in level complying with Sections 11B-303.3 and 11B-303.4 shall be permitted on the surfaces of gangways and boat launch ramps....
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Hybrid Surface Systems
After 12 months of installation, the top layer carpet began to shrink and separate at the seams creating openings and changes in level greater than ½ inch. ...
- Access Board: Accessible Parking Spaces and Access Aisles
- Access Board: Changes in Level
- Accessible Parking Video Fact Sheet
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Accessible Sidewalks 1: Pedestrians who use Wheelchairs
Requires the Registered User plan or above. Login!

