14B-30-3005 Machine rooms.
The provisions of Section 3005 of IBC are adopted by reference with the following modifications:
1.   Revise Section 3005.1 by replacing "An approved" with "Acceptable."
2.   Revise Section 3005.4 by replacing "fire-protection rating" with "fire-resistance rating."
3.   Revise the exceptions to Section 3005.4 to read:
"Exceptions:
1.   For other than fire service access elevators, where machine rooms, machinery spaces, control rooms and control spaces do not abut and do not have openings to the hoistway enclosure they serve, the fire barriers constructed in accordance with Section 707 or horizontal assemblies constructed in accordance with Section 711, or both, shall be permitted to be reduced to a 1-hour fire-resistance rating.
2.   For other than fire service access elevators, in buildings four stories or less above grade plane equipped with an automatic sprinkler system where machine room, machinery spaces, control rooms and control spaces do not abut and do not have openings to the hoistway enclosure they serve, the machine room, machinery spaces, control rooms and control spaces are not required to be fire- resistance rated."