64 lines
1.5 KiB
Markdown
64 lines
1.5 KiB
Markdown
---
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id:
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aliases:
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- area-of-rescue
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- two-way-communication
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- 2-way-communication
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tags:
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- occupational/systems/standalone-systems
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---
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# Area of Refuge (AoR)
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## Info
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> [!info] Also Known As
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> * Area of Rescue
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> * 2-Way Communication
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### 2-Way vs. AoR
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Area of Refuge is defined in NFPA 101 _Life Safety Code_.
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In NFPA 101 "two-way communication system" is used as generic term,
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to be installed in accordance with the governing code NFPA 72.
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NFPA 72 _Fire Alarm and Signaling Code_, Chapter 24 _Emergency Communications Systems (ECS)_
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24.8 Two-Way, In-Building Wired Emergency Services Communications Systems
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24.10 Area of Refuge (Area of Rescue Assistance) Emergency Communications Systems,
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Stairway Communications Systems, Elevator Landing Communications Systems,
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and Occupant Evacuation Elevator Lobby Communications Systems.
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## Sequence
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### 1. Estimate preparation
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Complete [[fire-alarm]] preparation and takeoff.
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### 2. Takeoff
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##### Horizontal
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> Area: Same as Fire Command Room
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`FIRE ALARM & DAS SYSTEMS`/`TWO WAY COMMUNICATION ASSEMBLIES`/`...`
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* Length: Per drawings if shown, otherwise use longer of
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* FCR to elevator lobbies
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* FCR to stairwells
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* Count: Number of boxes run to. Per drawings if shown, otherwise use the greater of:
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* Count of elevators
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* Count of stairwells
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##### Vertical
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> Area: "Typical - Building All Levels"
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`FIRE ALARM & DAS SYSTEMS`/`TWO WAY COMMUNICATION ASSEMBLIES`/`...`
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* Length: 15ft x per count
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* Count: match Horizontal
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### 3. Extension (Review and Checking)
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