Current through Register Vol. 35, No. 16, August 27, 2024
Section 14.7.2.13 - CHAPTER 5 - GENERAL BUILDING HEIGHTS AND AREAS See this chapter of the IBC except as provided below. Section 504 - Building Height and Number of Stories. See this section of the IBC except as provided below.
A.Section 504.1 - General. See this section of the IBC except as provided below. Add the following section: 504.1.3 - Stair enclosure pressurization increase. For Group R-1 and R-2 located in buildings of type VA construction equipped throughout with an approved automatic sprinkler system in accordance with section 903.3.1.1, the maximum number of stories permitted in section 504.4 may be increased by one provided the interior exits stairways and ramps are pressurized in accordance with section 903.6.3 and 909.20. Legally required standby power shall be provided in accordance with section 909.11 and 2702.2.17 for buildings constructed in compliance with this section and shall be connected to stairway shaft pressurization equipment, elevators and lifts used for accessible means of egress (if provided), elevator hoistway pressurization equipment (if provided) and other life safety equipment as determined by the authority having jurisdiction. For the purposes of this section, legally required standby power shall comply with 2020 NEC section 701.12, options A, B, C, D, F, or G.B.Section 504.4 - Number of stories. Delete this section and substitute with the following: The maximum numbers of stories of a building shall not exceed the limits specified in Table 504.4.14.7.2.13 NMAC - Rp, 14.7.2.13 NMAC, 1-28-11, Adopted by New Mexico Register, Volume XXVII, Issue 21, November 15, 2016, eff. 11/15/2016, Adopted by New Mexico Register, Volume XXXIV, Issue 11, June 13, 2023, eff. 7/14/2023