IBC ROOF ACCESS/STAIRS
IBC ROOF ACCESS/STAIRS
(OP)
Another IBC Code clarification request:
2006 IBC, 1009.11 - Stairway to Roof:
"In buildings located four or more stories in height...one stairway shall extend to the roof...
In buildings without an occupied roof, access [may be] by an alternating tread device."
Is the second sentence intended to be preceeded with the 4-story requirement, or does EVERY single-story "flat-roof" building have to have, at a minimum, an alternating tread stair, regardless of size?
Thanks again in advance for your help.
JKW
2006 IBC, 1009.11 - Stairway to Roof:
"In buildings located four or more stories in height...one stairway shall extend to the roof...
In buildings without an occupied roof, access [may be] by an alternating tread device."
Is the second sentence intended to be preceeded with the 4-story requirement, or does EVERY single-story "flat-roof" building have to have, at a minimum, an alternating tread stair, regardless of size?
Thanks again in advance for your help.
JKW





RE: IBC ROOF ACCESS/STAIRS
If the stairshaft is terminated to the roof, an alternating tread device is not required. If not, then only one stair requirs an alternating tread device that is terminated to the roof.
Also note that this section requires a means of roof access and guards around the roof hatch openings, if the opening is 10 feet of the roof edge.
RE: IBC ROOF ACCESS/STAIRS
The way it is worded I'm unclear if the second sentence applies to 4-story buildings w/o occupied roofs or if it applies to ALL buildings w/o occupied roofs. So if this section only applies to roofs four or more stories above grade, it appears there aren't any code requirements for roof access for single-story buildings(?).
For example, does a one- (or two-) story office building have to have an alternating-tread device through a roof hatch.
Thanks again...
RE: IBC ROOF ACCESS/STAIRS
RE: IBC ROOF ACCESS/STAIRS