D.C. Mun. Regs. tit. 12, r. 12-A711

Current through Register Vol. 72, No. 2, January 10, 2025

Rule 12-A711 - HORIZONTAL ASSEMBLIES

Strike Section 711.9 of the International Building Code in its entirety and insert new Section 711.9 to the Building Code in its place to read as follows.

711.9

Smoke barrier. Where horizontal assemblies are required to resist the movement of smoke by Sections 407.5, 408.6, and 1007.6 of this code in accordance with the definition of smoke barrier, penetrations and joints in such horizontal assemblies shall be protected as required for smoke barriers in accordance with Sections 714.5 and 715.6. Regardless of the number of stories connected by elevator shaft enclosures, doors located in elevator shaft enclosures that penetrate the horizontal assembly shall be protected by enclosed elevator lobbies complying with Section 713.14.1. Openings through horizontal assemblies shall be protected by shaft enclosures complying with Section 713. Horizontal assemblies shall not have unprotected vertical openings.

D.C. Mun. Regs. tit. 12, r. 12-A711

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.