---
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, [child:: [[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