International Building Code Section 909.20.6.2 is hereby amended to read as follows:

909.20.6.2 Emergency power. Mechanical vestibule and stairway and ramp shaft ventilation systems and automatic fire detection systems shall be provided with emergency power in accordance with Section 2702 and Table 2702.

Exception: Legally required standby power systems shall be provided for pressurization systems in low-rise buildings when designed in accordance with Washington State Building Code Section 504.4.1.