Interpretation #7079

Published January 31, 2013

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Original Request

Code Version
2010
Code
BUILDING
Code Description
Building
Chapter
10
Section
1016.1 exception 3
Topic
enclosed stairs

Question

Is it the intent of 1016.1 exception (3) to have two enclosed stairs to allow an open stair? The statement "The two connected stories shall be provided with at least (two means of egress)."

Answer Published 01/31/2013 at 2:10 PM

No; with a caveat...

Commentary

The answer is based on an incomplete description by the petitioner of the specific circumstances. The exception is very specific and allows for an unenclosed stair. However, this may not be the same as open. Additionally, the occupancy has not been disclosed in the request, or how many interconnected stories or other specifics that may effect the answer. Something else to keep in mind: there are changes from 2007 FBC to 2010 FBC which apply to open stairs whic may be permitted as part of the means of egress to a maximum of 50 percent of exits in other than Group H and I provided the travel distance requirements are met and no more than two stories are connected...