The provisions of Section 405 of IBC are adopted by reference with the following modifications:
1. Revise exception 1 to Section 405.1 by replacing "One- and two-family dwellings" with "Group R-5 occupancies."
2. Delete Section 405.5 and its subsections.
3. Revise Section 405.7 and its subsections to read:
"405.7 Means of egress.
Means of egress shall be in accordance with Section 405.7.1.
405.7.1 Number of exits.
Each floor level shall be provided with not fewer than two exits. Where compartmentation is required by Section 405.4, each compartment shall have not fewer than one vertical exit and not fewer than one exit access doorway into an adjoining compartment."
4. Revise Section 405.8 and its subsections to read:
"405.8 Standby and emergency power.
A standby power system complying with Section 2702 shall be provided for the standby power loads specified in Section 405.8.1. An emergency power system complying with Section 2702 shall be provided for the emergency power loads specified in Section 405.8.2.
405.8.1 Standby power loads.
The following are classified as standby power loads:
1. Smoke control system.
2. [Reserved.]
3. Elevators, as required in Section 3003.
405.8.2 Emergency power loads.
The following are classified as emergency power loads:
1. [Reserved.]
2. Fire alarm systems.
3. Automatic fire detection systems.
4. Elevator car lighting.
5. Means of egress and exit sign illumination as required by Chapter 10.
6. Fire pumps."
(Amend Coun. J. 2-19-20, p. 14473, Art. II, § 8)