International Building Code Section 403.4.8 is hereby amended to read as follows:
403.4.8 Legally required standby and emergency power. A legally required standby power system complying with Section 2702 and Section 3003 shall be provided for the standby power loads specified in Table 2702, and an emergency power system complying with Section 2702 shall be provided for the emergency power loads specified in Table 2702.
403.4.8.1 Equipment room. If the legally required standby or emergency power system includes a generator set inside a building, the system shall be in accordance with Section 2702.1.8.
Exception: In Group I-2, Condition 2, manual start and transfer features for the critical branch of the emergency power are not required to be provided at the fire command center.
403.4.8.1.1 Penetrations. Penetrations into and openings through an equipment room containing a legally required standby or emergency generator set inside a building are prohibited except for required exit doors, equipment and ductwork necessary for heating, cooling or ventilation, sprinkler branch line piping, or electrical raceway serving the generator set equipment room or being served by the generator set. Such penetrations shall be protected in accordance with Section 714.
Exception: Metallic piping with no joints or openings where it passes through the generator set equipment room.
403.4.8.2 Fuel line piping protection. Fuel lines supplying a generator set inside a building shall be separated from areas of the building other than the room the generator is located in by an approved method or assembly that has a fire resistance rating of not less than 2 hours. Where the building is protected throughout with an automatic sprinkler system installed in accordance with Section 903.3.1.1 or 903.3.1.2, the required fire-resistance rating shall be reduced to 1 hour.
[F] 403.4.8.3 Legally required standby power loads. Legally required standby power loads shall be classified in accordance with Section 2702 and Table 2702.
[F] 403.4.8.4 Emergency power loads. Emergency power loads shall be classified in accordance with Section 2702 and Table 2702.
(Ord. 6531 § 5, 2020.)