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.
1009 13 1 roof access.
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.
In buildings without an occupied roof access to the roof from the top story shall be permitted to be by an alternating tread device.
Where a stairway is provided to a roof access to the roof shall be provided through a penthouse complying with section 1509 2.
Where a stairway is provided to a roof access to the roof shall be provided through a penthouse complying with section 1510 2.
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.
Application of this interpretation.
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.
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.
In buildings four or more stories or more than 40 feet 12 192 mm.
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.
Roof access 1009 12 1 continued in group i 1 r 1 and r 2 2 stories in height.
All required interior stair enclosures that extend to the roof shall.
May 16 2012 page 1 of 1 the following interpretation policy or code alternate is intended to provide guidance to staff for consistency of review and is subject to change without notice.
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.
2009 sectionsbc code solution 1009 13 stair access to roof surface release date.
Section 1009 13 1 1011 12 2 roof access is retained and renumbered and deletes the exception.
Jump to full code chapter.
1009 13 3 1011 12 2 1 roof hatches.