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

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2025-10-27 16:34:32 -04:00
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@@ -11,54 +11,15 @@ title: Unit Takeoff
---
# Unit Takeoff
## Info
> [!important]
> Complete [[pre-takeoff-research]],
> including [[wiring-method-selection]] and [[wiring-device-research]],
> before beginning takeoff.
"Units" includes [[#hotel]] and [[#residential]] spaces.
> [!info]
> See [[multi-family-dwellings]].
> [!info] Americans with Disabilities Act (ADA) Terms
> * hearing impaired (HI or H.I.)
> * hearing impaired communication (HC or H.C.)
> * mobility features (MF or M.F.)
> * accessible (Acc.)
> * usually refers to mobility features.
### Hotel
> [!info] Also Known As
> * Guestrooms
> * Keys
> [!trivia]
> The term "key" as a synonym of "hotel room" is a synecdoche,
> referring to the unit's door key.
> In the pre-digital days of hotel management,
> one could count the rooms of a hotel
> by the keys behind the front desk.
### Residential
> [!info] Also Known As
> * Condos - resident-owned
> * Apartments - resident-rented
## Sequence
### 1. Preparation
1. Locate Unit panels and relevant keynotes
* bus amps
2. Read about the project specifications and construction type
* partition framing (wood or metal studs)
* stud depth
* wiring methods (NM or MC)
* wiring device plates (decora or standard)
* wiring device specs (are 15A devices allowed or minimum N5-20R)
* equipment (20A Kitchen and bath)
1. Fill out OneNote
### 2. Takeoff
## Takeoff
> [!tip] Preparing for Unit Takeoff
> Units generally have very little variation.
@@ -77,7 +38,7 @@ title: Unit Takeoff
> and creating them new for each unit,
> since the types required can vary greatly between units.
#### Load Centers
### Load Centers
| Rating | Assembly |
| ------- | ---------------------------------------------------------------------------------- |
@@ -86,9 +47,9 @@ title: Unit Takeoff
Include terminations per [[switchgear]].
#### Shade Control
### Shade Control
#### Dedicated Circuit Receptacles
### Dedicated Circuit Receptacles
For N5-15R/N5-20R receptacles serving fixed equipment such as:
@@ -102,7 +63,7 @@ use single receptacle assemblies, even where shown as duplex.
`COMMON ASSEMBLIES`/`UNITS - MC CABLE ASSEMBLIES`/`KITCHEN & BATH ASSEMBLIES - METAL STUD`/`SGL REC ...`
#### Air Sealing
### Air Sealing
* LEED Silver
* Mid-Atlantic jobs
@@ -112,7 +73,7 @@ use single receptacle assemblies, even where shown as duplex.
`COMMON ASSEMBLIES`/`UNITS - MC CABLE ASSEMBLIES`/`GENERAL ASSEMBLIES - METAL STUD`/`UNIT MISC ITEMS - MC - ADJUST ACCORDINGLY`
#### Islands
### Islands
Use 1 "SLAB / DECK" receptacle for every 2 circuits in the island.
@@ -120,25 +81,25 @@ Use 1 "SLAB / DECK" receptacle for every 2 circuits in the island.
Use standard MC assemblies for remaining devices.
#### Bidet Toilets, Whirlpool Baths, etc.
### Bidet Toilets, Whirlpool Baths, etc.
`COMMON ASSEMBLIES`/`MECHANICAL CONNECTIONS (UP TO 100A)`/`PVC - LT NM FLEX (CARFLEX)`/`20A 1PH MECH CONN (100') 3/4" PVC 3#12 - CARFLEX`
#### "High-Lows"
### "High-Lows"
`COMMON ASSEMBLIES`/`TELECOM SYSTEMS`/`UNIT DATA - TELECOM`/`HIGH-LOW - TV SCOOP 1 1/2" ENT - NO CABLE`
Eaton 35M2W
#### Telecom Homeruns
### Telecom Homeruns
Included in MSDE.
#### Fire Alarm Devices
### Fire Alarm Devices
##### Residential
#### Residential
###### Smoke Detectors & CO Detectors
##### Smoke Detectors & CO Detectors
For smoke detectors and CO detectors where 120V (most common):
@@ -148,10 +109,6 @@ For ADA units:
`COMMON ASSEMBLIES`/`UNITS - MC CABLE ASSEMBLIES`/`GENERAL ASSEMBLIES - METAL STUD`/`UNIT SMOKE DETECTOR / VISUAL SIGNAL ...`
###### Additional Signaling Devices
##### Additional Signaling Devices
==use free air devices==
### 3. Review
1. Scroll through with Area selected and make sure there is takeoff for each unit type