vault backup: 2025-07-24 16:44:33

2025-07-24 16:44:33 -04:00
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+---
+id: electrical
+aliases: []
+tags:
+  - systems/electrical
+---
+# Electrical
+
+## Sequence
+
+### 1. Estimate preparation
+
+2. Read about the project specifications and construction type
+3. Locate Equipment Schedules
+
+4. Device specs (Decora or Standard)
+
+### 2. Takeoff
+
+1. Takeoff all equipment that is not #12
+2. Go by Drawing in chronological order
+3. Takeoff Enlarged Drawings
+4. Do final checklist in electrical takeoff notes
+
+> [!tip]
+> It is sometimes easier to rebuild a designation than to modify it.
+> For designations with existing takeoffs, Right-Click > `Empty Designation`.
+> The build process can then be completed anew.
+
+### 3. Extension (Review and Checking)
+
+1. Count Car chargers and location
+
+## Takeoff
+
+### Lighting Control
+
+By PDI convention, [[lighting-controls]] are generally "Electrical", not "Lighting".
+
+### Receptacles
+
+### Mechanical Connections
+
+#### CU/IP
+
+* Units Condensing Unit
+* Mechanical Connection
+
+#### Trash Chute
+
+Horizontal:
+* Check if shown on power drawings as mech connection
+  * If not, use 100ft length
+
+Vertical (Riser):
+* Takeoff: `COMMON ASSEMBLIES`/`MISC ASSEMBLIES`/`TRASH CHUTE RISER CIRCUIT...`
+* Uncheck Link 'Enable Livecount'
+* Takeoff in Typical
+  * Length = average floor to floor height