vault backup: 2026-01-07 17:01:31

2026-01-07 17:01:31 -05:00
parent 97dd06e296
commit c276d4adf3
21 changed files with 10539 additions and 125 deletions
@@ -23,6 +23,14 @@ title: Two-Way Takeoff

 > `System` = "FA - Two Way Communication"

+%%
+It's curious we use the longer of FCR to elevator lobbies/FCR to stairwells
+rather than just the total length,
+since in high-rises _all_ stairwells with locking doors
+require communication systems per
+[[ibc_s0403#403.5.3.1 Stairway communication system.]]
+%%
+
 ## Horizontal

 1. * `Area` = Same as Fire Command Room