2019 California Standards for Accessible Design Guide (effective January 1, 2020 with July 1, 2021 amendments)

1010.1.9.8.1 Delayed egress locking system.

The delayed egress locking system shall be installed and operated in accordance with all of the following:  …

4. An attempt to egress shall initiate an irreversible process that shall allow such egress in not more than 15 seconds when a physical effort to exit is applied to the egress side door hardware for not more than 3 seconds. Initiation of the irreversible process shall activate an audible signal in the vicinity of the door. Once the delay electronics have been deactivated, rearming the delay electronics shall be by manual means only. The time delay established for each egress-control device shall not be field adjustable. For applications listed in Section 1.9.1 regulated by the Division of the State Architect-Access Compliance, see Chapter 11B, 11B-404.2.9.

Exception: In facilities housing Alzheimer's or dementia clients, a delay of not more than 30 seconds is permitted on a delayed egress door. …

6. A sign shall be provided on the door and shall be located above and within 12 inches (305 mm) of the door exit hardware:

6.3. The sign shall comply with the visual character requirements in Section 11B-703.5. Sign lettering shall be at least 1 inch (25 mm) in height and shall have a stroke of not less than 1/8 inch (3.2 mm).

6.4. A tactile sign shall also be provided in Braille and raised characters, which complies with Chapter 11B, Sections 11B-703.1, 11B-703.2, 11B-703.3 and 11B-703.5.