Statutes, codes, and regulations
District Of Columbia Administrative Code
Title 12 - CONSTRUCTION CODES SUPPLEMENT OF 2013Subtitle 12-A - BUILDING CODE SUPPLEMENT OF 2013
Chapter 12-A10 - MEANS OF EGRESS
Rule 12-A1005 - MEANS OF EGRESS SIZING

D.C. Mun. Regs. tit. 12, r. 12-A1005

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Current through Register Vol. 72, No. 2, January 10, 2025
Rule 12-A1005 - MEANS OF EGRESS SIZING

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

1005.3.1

Stairways.

Exception: For other than Group H and I-2 occupancies, 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 0.2 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 the Exception to Section 1005.3.2 of the International Building Code and insert a new Exception to Section 1005.3.2 of the Building Code in its place to read as follows:

1005.3.2

Other egress components.

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.

D.C. Mun. Regs. tit. 12, r. 12-A1005

Final Rulemaking published at 61 DCR 2782 (March 28, 2014 Part 2)
The District of Columbia Building Code (2013), referred to as the SBuilding Code, consists of the 2012 edition of the International Building Code as amended by the District of Columbia Building Code Supplement (2013)(12 DCMR A). The International Building 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/ibc/2012/index.htm?bu=IC-P-2012-000001&bu2=IC-P-2012-000019.
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.