vault backup: 2025-10-27 16:34:32

distributed-antenna-systems-takeoff.md

@@ -3,70 +3,64 @@ id:
 aliases:
   - das
 tags:
+  - authorship/original
   - destiny/permanent
   - occupational/takeoff/standalone-systems
   - status/draft
   - type/guide
-  - authorship/original
-title: Distributed Antenna Systems (DAS)
+title: Distributed Antenna Systems (DAS) Takeoff
 ---
-# Distributed Antenna Systems (DAS)
+# Distributed Antenna Systems (DAS) Takeoff
 
-## Info
+> [!important]
+> Complete [[emergency-systems-research]] before beginning takeoff.
 
-### Emergency Responder Radio Communication Systems (ERRCS)
+> [!info]
+> See [[emergency-communications-systems]] for information
+> about Emergency Responder Radio Communication Systems (ERRCS).
 
-Relevant Standard: NFPA 1225
+> [!info] Cellular Systems
+> Less common than ERRCS are "cellular DAS" systems
 
-### Cellular Systems
+## Backbone
 
-Less common than ERRCS are "cellular DAS" systems
-
-## Sequence
-
-### 1. Preparation
-
-Complete [[fire-alarm-takeoff]] preparation and takeoff.
-
-### 2. Takeoff
-
-#### FACR to Every Elev. Shaft
+### FACR to Every Elev. Shaft
 
 `COMMON ASSEMBLIES`/`FIRE ALARM & DAS SYSTEMS`/`DAS ASSEMBLIES`/`FACR TO ELEV PIT = ...`
 
 Match Fire Alarm takeoff Length and Count
 
-#### FACR to Every Staircase
+### FACR to Every Staircase
 
 `COMMON ASSEMBLIES`/`FIRE ALARM & DAS SYSTEMS`/`DAS ASSEMBLIES`/`FACR TO STAIRWELL = ...`
 
 Match Fire Alarm takeoff Length and Count
 
-#### Stairwell Riser Every 2 Floors
+### Stairwell Riser Every 2 Floors
 
 `COMMON ASSEMBLIES`/`FIRE ALARM & DAS SYSTEMS`/`DAS ASSEMBLIES`/`STAIRWELL RISER EVERY 2 FLRS = 1 1/2" EMT (20') W/ 16X16X6 BOX`
 
 Create a Stairwell typical on every other floor
 
-#### FACR to Electric Room
+### FACR to Electric Room
 
 `COMMON ASSEMBLIES`/`FIRE ALARM & DAS SYSTEMS`/`DAS ASSEMBLIES`/`FACR TO 2HR-RATED RM = 2" PVC40`
 
 Match Fire Alarm takeoff Length
 
-#### Electric Room Riser to Every Floor
+### Electric Room Riser to Every Floor
 
 `COMMON ASSEMBLIES`/`FIRE ALARM & DAS SYSTEMS`/`DAS ASSEMBLIES`/`2HR-RATED RM RISER TO EVERY FLR = 2" EMT (15') W/ 16X16X6 BOX`
 
 Takeoff in every Electric Room
 
-#### Top 2H Rated Room To Roof
+### Top 2H Rated Room To Roof
 
 `COMMON ASSEMBLIES`/`FIRE ALARM & DAS SYSTEMS`/`DAS ASSEMBLIES`/`TOP 2HR RATED RM TO ROOF = 2" EMT W/ RMC WEATHERHEAD & IMC STUB`
 
 Use 15' or Height of ceiling on last building level
 
-#### Horizontal
+## Horizontal
 
 CORRIDORS EMT OH = 1 1/2" EMT W/ 16X16X6 BOX EVERY 80'
 CA.28.31.23
@@ -77,5 +71,3 @@ CA.28.31.21
 1-1/2 through corridors w/ 16x16x6 J-Box
 
 Length for every corridor/garage
-
-### 3. Review