zmVault/two-way-takeoff.md

title, tags, up

title	tags	up
Two-Way Takeoff	occupational/takeoff status/draft type/guide	takeoff-scripts

Two-Way Takeoff

Important

Complete emergency-systems-research before beginning takeoff.

[!info] See emergency-communications-systems for information about Two-Way and AoR communication systems.

System = "FA - Two Way Communication"

Horizontal

1. • Area = Same as Fire Command Room

   FIRE ALARM & DAS SYSTEMS/TWO WAY COMMUNICATION ASSEMBLIES/2-WAY COMMUNICATION = 1" CONDUIT ...

   Length = Per drawings if shown, otherwise measure from FCR to every elevator lobby. For pdi-building-types#High Rise buildings, also measure from the FCR to every stairwell.¹

   Count = Count of elevator lobbies and stairwells if high-rise (match length)

Vertical

1. • Area = "Typical - Building All Levels"

   FIRE ALARM & DAS SYSTEMS/TWO WAY COMMUNICATION ASSEMBLIES/2-WAY COMMUNICATION = 1" CONDUIT ...

   • Length = 15ft * Count
   • Count = match Horizontal

Important

sleeving-takeoff

Firefighter Phone System

Important

These are ICC definition two-way communication systems, redundant with the standard takeoff described above. These assemblies can be ignored unless given specific direction otherwise.²

COMMON ASSEMBLIES/FIRE ALARM & DAS SYSTEMS/COMMUNICATION DEVICES .../...

• firefighter phone jacks
• fire warden station
• fire phone cabinet

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1. See ibc_s0403#403.5.3.1 Stairway communication system.. ↩︎

2. Confirmed by joel-jansen 2025-12-08 in reference to 2100-crystal-drive. ↩︎