All steps on a flight of stairs shall have uniform riser heights and uniform tread depths. Risers shall be 4 inches (102 mm) high minimum and 7 inches (178 mm) high maximum....
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11B-504.2 Treads and risers
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11B-504.2 Treads and risers
All steps on a flight of stairs shall have uniform riser heights and uniform tread depths. Risers shall be 4 inches (102 mm) high minimum and 7 inches (178 mm) high maximum....
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11B-504.2 Treads and risers
All steps on a flight of stairs shall have uniform riser heights and uniform tread depths. Risers shall be 4 inches (102 mm) high minimum and 7 inches (178 mm) high maximum....
- Spectra Safety Treads
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1132A.5.1 General
Maneuvering clearances at interior doors shall provide a minimum length on both sides of the door of at least 42 inches (1067 mm) measured at a right angle to the plane of the door in its...
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John Brabyn, Ph.D., Director of Rehabilitation Engineering Research, Center on Low Vision and Blindness (NIDRR), Smith-Kettlewell Eye Research Institute
Building Sight: A handbook of building and interior design solutions to include the needs of visually impaired people....
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1132A.3, Item 3
3. Swinging doors shall be capable of opening at least 90 degrees.
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1132A.3, Item 5
5. A pair of doors, manual or automatic, must have at least one leaf which provides a clear width of not less than 32 inches (813 mm), measured with the door positioned at an...
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1132A.3, Item 2
2. Swinging doors shall provide a net clear opening width of not less than 32 inches (813 mm), measured with the door or doors positioned at an angle of 90 degrees from the...
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1132A.3, Item 3
3. Swinging doors shall be capable of opening at least 90 degrees.
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1132A.3, Item 5
5. A pair of doors, manual or automatic, must have at least one leaf which provides a clear width of not less than 32 inches (813 mm), measured with the door positioned at an angle...
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1132A.3, Item 2
2. Swinging doors shall provide a net clear opening width of not less than 32 inches (813 mm), measured with the door or doors positioned at an angle of 90 degrees from the closed...
- H2O Innovations AQUA STEP ADA
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505.2 Where Required
Handrails shall be provided on both sides of stairs and ramps....
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505.2 Where Required
Handrails shall be provided on both sides of stairs and ramps....
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505.2 Where Required
Handrails shall be provided on both sides of stairs and ramps....
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11B-504.3 Open risers
Open risers are not permitted. Exceptions: 1. On exterior stairways, an opening of not more than ½ inch (12.7 mm) may be permitted between the base of the riser and the...
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11B-504.3 Open risers
Open risers are not permitted. Exceptions: 1. On exterior stairways, an opening of not more than ½ inch (12.7 mm) may be permitted between the base of the riser and the...
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11B-504.3 Open risers
Open risers are not permitted. Exceptions: On exterior stairways, an opening of not more than ½ inch (12.7 mm) may be permitted between the base of the riser and the...
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505.2 Where Required
Handrails shall be provided on both sides of stairs and ramps....
- Kee Safety Inc. ADA Safety Handrail Components
- Nora Systems, Inc. Norament 920 Stairtreads
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11B-505.2 Where required
Handrails shall be provided on both sides of stairs and ramps....