In buildings without an occupied roof access to the roof from the top story shall be permitted to be by an alternating tread device.
1009 13 1 roof access.
Section 1009 13 1 1011 12 2 roof access is retained and renumbered and deletes the exception.
1009 13 3 1011 12 2 1 roof hatches.
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1009 13 stairway to roof and roof access.
In buildings four or more stories or more than 40 feet 12 192 mm.
Section 1009 2 1 still includes an exception for buildings with horizontal exits on every floor except the level of exit discharge or ramp access to every floor.
1009 13 alternating tread devices 13 1 handrails of alternating tread devices 13 2 treads of alternating tread devices 1009 14 ship ladders 1009 15 handrails 1009 16 stairway to roof 16 1 roof access 16 2 protection at roof hatch openings 1009 17 stairway to elevator equipment section 1010 ramps 1010 1 scope 1010 2 enclosure.
All required interior stair enclosures that extend to the roof shall.
Section 1009 13 3 roof hatches is retained renumbered and amended as follows.
Nyc building code 2014 10 means of egress 1009 stairways 1009 13 stairway to roof and roof access.
While you may have ramp access to an occupied roof such as in a parking garage or outdoor sports arena there is no way to provide a horizontal exit on the roof level.
Where a stairway is provided to a roof access to the roof shall be provided through a penthouse complying with section 1509 2.
Application of this interpretation.
All stairs shall extend to the roof unless roof slope is steeper than 15 degrees alternatively non combustible roof hatch or trap door is permitted in.
In buildings without an occupied roof access to the roof shall be permitted to be a roof hatch or trap door not less than 16 square feet 1 5m2 in area and having a minimum dimension.
2009 sectionsbc code solution 1009 13 stair access to roof surface release date.
In buildings without an occupied roof access to the roof shall be permitted to be a roof hatch or trap door not less than 16 square feet 1 5 m 2 in area and having a minimum dimension of 2 feet 610 mm.
R 1 and r 2 two stories in height or r 2 three stories in height with only 1 dwelling unit story.
1009 16 1 roof access where a stairway is provided to a roof access to the roof shall be provided through a penthouse complying with section 1509 2.