vault backup: 2025-09-09 16:53:35

area-of-refuge.md

@@ -15,6 +15,21 @@ tags:
 > * Area of Rescue
 > * 2-Way Communication
 
+### 2-Way vs. AoR
+
+Area of Refuge is defined in NFPA 101 _Life Safety Code_.
+
+In NFPA 101 "two-way communication system" is used as generic term,
+to be installed in accordance with the governing code NFPA 72.
+
+NFPA 72 _Fire Alarm and Signaling Code_, Chapter 24 _Emergency Communications Systems (ECS)_
+
+24.8 Two-Way, In-Building Wired Emergency Services Communications Systems
+
+24.10 Area of Refuge (Area of Rescue Assistance) Emergency Communications Systems,
+Stairway Communications Systems, Elevator Landing Communications Systems,
+and Occupant Evacuation Elevator Lobby Communications Systems.
+
 ## Sequence
 
 ### 1. Estimate preparation