Nosings that project beyond risers shall have the underside of the leading edge curved or beveled....
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504.5 Nosings
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Is there a minimum number of risers a stairway must have for it to be covered?
No, the Standards apply to any stairs that are part of a means of egress regardless of the number of risers....
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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 tread....
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11B-504.3 Open risers
Open risers are not permitted. Exceptions: 1. ...
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11B-504.3 Open risers
Open risers are not permitted. Exceptions: 1. ...
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Open Risers: ADA Standard Section 504.3
Section 504.3 covers the current ADA Standards for open risers on stairways.
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Treads and Risers: ADA Standard Section 504.2
Section 504.2 covers the current ADA Standards for the treads and risers on stairways.
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1011.5 Stair treads and risers
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1011.5 Stair treads and risers
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504.5 Nosings
Nosings that project beyond risers shall have the underside of the leading edge curved or beveled....
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Treads and Risers [4.9.2], Nosings [4.9.3]
Variation in riser height along a set of stairs can be a tripping hazard....
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4.9.3 Nosings
Risers shall be sloped or the underside of the nosing shall have an angle not less than 60 degrees from the horizontal....
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4.9.3 NOSINGS
Risers shall be sloped or the underside of the nosing shall have an angle not less than 60 degrees from the horizontal....
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11B-504.5 Nosings
Nosings that project beyond risers shall have the underside of the leading edge curved or beveled....
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11B-504.5 Nosings
Nosings that project beyond risers shall have the underside of the leading edge curved or beveled....
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11B-504.5 Nosings
Nosings that project beyond risers shall have the underside of the leading edge curved or beveled....
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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....
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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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1009.7.2 Riser height and tread depth
1009.7.2 Riser height and tread depth. ... Exceptions: 6. See Section 3404.1 for the replacement of existing stairways. ...
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RISER
RISER. The upright part between two adjacent stairs treads....
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OPEN RISER
OPEN RISER. The space between two adjacent stair treads not closed by a riser....
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1011.5.2 Riser height and tread depth
... Exceptions: 4. See California Fire Code Chapter 11 and California Existing Building Code for the replacement of existing stairways. [DSA-AC] For applications listed in...
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1011.5.2 Riser height and tread depth
... Exceptions: 4. See California Fire Code Chapter 11 and California Existing Building Code for the replacement of existing stairways. [DSA-AC] For applications listed in...