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Approved special locking arrangements shall be permitted in a Group I-1, I-2, R-3, or R-4 occupancy where the clinical needs of the persons receiving care require such locking. Special locking arrangements shall be permitted in such occupancies where the building is equipped throughout with an approved automatic sprinkler system in accordance with Section 903.3.1.1 and either an approved automatic smoke or heat detection system installed in accordance with Section 907, provided that doors are installed and operate in accordance with Items 1 through 10. Items 1 through 4 shall not apply to doors to areas where persons, because of clinical needs, require restraint or containment as part of the function of a psychiatric treatment area.
  1. The doors unlock upon actuation of the automatic sprinkler system or automatic fire detection system.
  2. The doors unlock upon loss of power controlling the lock or lock mechanism.
  3. The door locks shall have the capability of being unlocked from a signal from the fire command center, a nursing station, or other approved location.
  4. A building occupant shall not be required to pass through more than one door with a special egress lock before entering an exit.
  5. The procedures to operate the unlocking system shall be described and approved as part of the emergency planning and preparedness required by Chapter 4.
  6. All clinical staff shall have keys, codes, or other means necessary to operate the locking device.
  7. Emergency lighting shall be provided at the door.
  8. 24-hour resident or patient supervision is provided within the locked area.
  9. Locking devices are designed to fail in the open position.
  10. Floor levels within the building or portion of the building with special locking arrangements shall be divided into at least two compartments by smoke barriers meeting the requirements of the State Building Code.
Exception to Item 10: In existing Group R-3 occupancies where the construction of smoke barrier compartmentation is not practical, an existing sleeping room provided with smoke-tight construction and having an escape window complying with Section 1029 is allowed.

Related Code Sections

Section 420 Special Detailed Requirements Based on Occupancy and Use, Groups I-1, R-1, R-2, R-3 and R-4
Occupancies in Groups I-1, R-1, R-2, R-3 and R-4 shall comply with the provisions of Sections 420.1 through 420.10 and other applicable provisions ...
Section 1008 Means of Egress, Doors, Gates and Turnstiles
be permitted in a Group I-1, I-2, R-3, or R-4 occupancy when a person's clinical needs require such locking. Special locking devices shall be permitted ...