Section 12-H1005. MEANS OF EGRESS SIZING

 

Strike Section 1005.3.1 of the International Fire Code in its entirety and insert a new Section 1005.3.1 in the Fire Code in its place to read as follows:

 

1005.3.1 Stairways.  The capacity, in inches (mm), of means of egress stairways shall be calculated by multiplying the occupant load served by such stairway by a means of egress capacity factor of 0.3 inch (7.6 mm) per occupant.  Where stairways serve more than one story, only the occupant load of each story considered individually shall be used in calculating the required capacity of the stairways serving that story.

 

Exception:  For other than Group H and I-2 occupancies, the capacity, in inches (mm), of the means of egress stairways shall be calculated by multiplying the occupant load served by the stairway by a means of egress capacity factor of 0.2 inch (5.1 mm) per occupant in buildings equipped throughout with an automatic sprinkler system installed in accordance with Section 903.3.1.1 or 903.3.1.2.

 

Strike Section 1005.3.2 of the International Fire Code in its entirety and insert a new Section 1005.3.2 in the Fire Code in its place to read as follows:

1005.3.2 Other egress components.  The capacity, in inches (mm), of means of egress components other than stairways shall be calculated by multiplying the occupant load served by such component by a means of egress capacity factor of 0.2 inch (5.1 mm) per occupant.

 

Exception:  For other than Group H and I-2 occupancies, the capacity, in inches (mm), of means of egress components other than stairways shall be calculated by multiplying the occupant load served by such component by a means of egress capacity factor of 0.15 inch (3.8 mm) per occupant in buildings equipped throughout with an automatic sprinkler system installed in accordance with Section 903.3.1.1 or 903.3.1.2.

 

 

authority

Section 10 of the Construction Codes Approval and Amendments Act of 1986 (Act), effective March 21, 1987 (D.C. Law 6-216; D.C. Official Code § 6-1409 (2012 Repl.)) and Mayor’s Order 2009-22, dated February 25, 2009, as amended.

source

Final Rulemaking published at 61 DCR 3251 (March 28, 2014 – Part 2); as corrected by Errata Notice published at 61 DCR 5246 (May 23, 2014).

EditorNote

The District of Columbia Fire Code (2013), referred to as the “Fire Code,” consists of the 2012 edition of the International Fire Code as amended by the District of Columbia Fire Code Supplement (2013) (12 DCMR H). The International Fire Code is copyrighted by the International Code Council and therefore is not republished here. However, a copy of the text may be obtained at: http://publicecodes.cyberregs.com/icod/ifc/2012/index.htm?bu=IC-P-2012-000003&bu2=IC-P-2012-000019.