69 lines
1.8 KiB
Markdown
69 lines
1.8 KiB
Markdown
---
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id:
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aliases:
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- 2-way-communication
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- area-of-rescue
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- two-way-communication
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tags:
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- authorship/original
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- destiny/permanent
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- occupational/takeoff
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- status/draft
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- type/guide
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title: Two-Way Takeoff
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---
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# Two-Way Takeoff
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> [!important]
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> Complete [[emergency-systems-research]] before beginning takeoff.
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> [!info]
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> See [[emergency-communications-systems]] for information
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> about Two-Way and AoR communication systems.
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> `System` = "FA - Two Way Communication"
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%%
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It's curious we use the longer of FCR to elevator lobbies/FCR to stairwells
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rather than just the total length,
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since in high-rises _all_ stairwells with locking doors
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require communication systems per
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[[ibc_s0403#403.5.3.1 Stairway communication system.]]
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%%
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## Horizontal
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1. * `Area` = Same as Fire Command Room
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`FIRE ALARM & DAS SYSTEMS`/`TWO WAY COMMUNICATION ASSEMBLIES`/`2-WAY COMMUNICATION = 1" CONDUIT ...`
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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** = Count of elevator lobbies or stairwells (match length)
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## Vertical
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1. * `Area` = "Typical - Building All Levels"
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`FIRE ALARM & DAS SYSTEMS`/`TWO WAY COMMUNICATION ASSEMBLIES`/`2-WAY COMMUNICATION = 1" CONDUIT ...`
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* **Length** = 15ft * Count
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* **Count** = match Horizontal
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## Firefighter Phone System
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> [!important]
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> These are ICC definition two-way communication systems,
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> redundant with the standard takeoff described above.
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> These assemblies can be ignored
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> unless given specific direction otherwise.
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> Confirmed by Joel Jansen 2025-12-08 in reference to 2100 Crystal Drive.
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`COMMON ASSEMBLIES`/`FIRE ALARM & DAS SYSTEMS`/`COMMUNICATION DEVICES ...`/`...`
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* firefighter phone jacks
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* fire warden station
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* fire phone cabinet
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