Part 1305.1023 - SECTION 1023, INTERIOR EXIT STAIRWAYS AND RAMPSIBC section 1023.5 is amended to read as follows:
1023.5 Penetrations. Penetrations into or through interior exit stairways and ramps are prohibited except for the following: 1. Equipment and ductwork necessary for independent ventilation or pressurization.2. Fire protection systems.3. Security systems that serve the exit stairway or ramp.4. Wiring that serves the exit stairway or ramp.5. Two-way communication systems that serve the exit stairway or ramp.6. Electrical raceway for fire department communication systems.7. Electrical raceway serving the interior exit stairway or ramp and terminating in a steel box not exceeding 16 square inches (0.010 m2). Such penetrations shall be protected in accordance with Section 714. There shall not be penetrations or communication openings, whether protected or not, between adjacent interior exit stairways and ramps or exit passageways.
(The exception to Section 1023.5 is deleted.)
Minn. R. agency 151, ch. 1305, pt. 1305.1023