vault backup: 2025-10-23 10:52:59
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---
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id: electrical
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aliases: []
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tags:
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- destiny/permanent
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- occupational/systems/electrical
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- status/draft
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- type/guide
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title: Electrical
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---
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# Electrical
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## Info
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### Lighting Control
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By PDI convention, [[lighting-controls]] are generally "Electrical", not "Lighting".
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## Sequence
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### 1. Preparation
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[[pre-takeoff-research#Wiring Device Selection]]
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1. Read about the project specifications and construction type
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2. Locate Equipment Schedules
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### 2. Takeoff
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1. Takeoff all equipment that is not #12
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2. Go by Drawing in chronological order
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3. Takeoff Enlarged Drawings
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4. Do final checklist in electrical takeoff notes
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> [!tip]
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> It is sometimes easier to rebuild a designation than to modify it.
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> For designations with existing takeoffs, Right-Click > `Empty Designation`.
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> The build process can then be completed anew.
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#### Receptacles
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#### Floor Boxes
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##### Poke-Thru's
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#### Mechanical Connections
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`COMMON ASSEMBLIES`/`MECHANICAL CONNECTIONS ...`/
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##### Roof Mounted Equipment
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Unit condensing units
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Put homeruns on the `Area` of the dwelling unit.
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Put connections on the `Area` of the CU.
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.../`CONDENSOR HOME RUNS`
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.../`CU CONDENSER SLEEVE W/ FLEX - NO HMRN WIRE`
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`NO SLEEVE`:
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Routed through a "doghouse"
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(a large weatherproof opening)
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with several other feeds.
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Used where drilling openings for individual sleeves
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would be impractical.
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`PVC SLEEVE`, `EMT SLEEVE`:
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Routed up through the roof,
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(optionally through a disconnect)
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with flex to the equipment.
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Equipment Racks: Max 20 disconnects per rack
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`DISTRIBUTIION`/`TRAPEZE RACK SUPPORT ...`/`...`
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##### Trash Chute
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**Horizontal:**
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* Check if shown on power drawings as mech connection
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* If not, use 100ft length
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**Vertical (Riser):**
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* Takeoff: `COMMON ASSEMBLIES`/`MISC ASSEMBLIES`/`TRASH CHUTE RISER CIRCUIT...`
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* Uncheck Link 'Enable Livecount'
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* Takeoff in Typical
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* Length = average floor to floor height
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#### Homeruns
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##### Lighting
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Takeoff homeruns in Building breakdowns,
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even serving Amenity spaces.
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> [!info] Breakdowns
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> * `Area` = "... Building"
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> * `System` = "Building - BOH ..."
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### 3. Review
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1. Count Car chargers and location
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