191 lines
4.5 KiB
Markdown
191 lines
4.5 KiB
Markdown
---
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title: Unit Takeoff
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tags:
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- occupational/takeoff
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- status/draft
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- type/guide
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up: "[[takeoff-scripts]]"
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aliases:
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- unit takeoff
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---
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# Unit Takeoff
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> [!info]
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> See [[multi-family-dwellings]].
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[[pdi-building-types]]
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## Prerequisites
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> [!important]
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> Complete [[pre-takeoff-research]],
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> including [[wiring-method-selection]] and [[wiring-device-research]],
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> before beginning takeoff.
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1. [[conest-project-setup#Create Unit Matrix|Create Unit Matrix]]
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2. [[conest-accubid-setup#Create Unit Typicals|Create Unit Typicals]]
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## Takeoff
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> [!tip] Preparing for Unit Takeoff
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> Units generally have very little variation.
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> It is usually best to copy-paste takeoffs
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> rather than re-build them for each unit.
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1. Load Center
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2. General assemblies
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1. Water Heater
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2. HVAC
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3. Laundry
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4. Kitchen
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5. Bathroom
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6. Low Voltage
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7. Lighting Fixtures
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8. Lighting Control
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> [!tip]
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> It may be more efficient and neat to not copy switches,
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> instead keeping the switch assembly list open
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> and creating them new for each unit,
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> since the types required can vary greatly between units.
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> [!tip]
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> Consider using a "Typical - All Units"
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> for scope identical between all unit types.
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> * WAP Outlets
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> * MSDE's
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### Load Centers
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* `System` = "EL - Electrical"
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| Rating | Assembly |
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| ------- | ---------------------------------------------------------------------------------- |
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| <= 100A | `DIST PANELS & UNIT LOAD CENTERS`/`UNIT LOAD CENTERS - ...`/`... UNIT LOAD CENTER` |
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| > 100A | `DIST PANELS & UNIT LOAD CENTERS`/`UNIT LOAD CENTERS - ...`/`... BREAKER PNL` |
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Include terminations per [[switchgear-takeoff]].
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### Fixtures
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[[fixtures-takeoff]]
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### Shade Control
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### VTAC Units
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Used in lieu of individual split systems.
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### Dedicated Circuit Receptacles
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For N5-15R/N5-20R receptacles serving fixed equipment such as:
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* refrigerators
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* gas ranges
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* microwaves
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* clothes washers
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* hood fans
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match the receptacle configuration shown on the plans
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(i.e. simplex to simplex, duplex to duplex).[^1]
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[^1]: [[2025-11-11_00-00-00]]
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### Air Sealing
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* LEED Silver
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* Mid-Atlantic jobs
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* "Draft Proof Box"
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`ITEM DATABASE`/`BOXES & CABINETS`/`BOXES - VAPOR`/`...`
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`COMMON ASSEMBLIES`/`UNITS - MC CABLE ASSEMBLIES`/`GENERAL ASSEMBLIES - METAL STUD`/`UNIT MISC ITEMS - MC - ADJUST ACCORDINGLY`
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### Dishwasher/Disposal Receptacles
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Even when drawings show 2 separate duplex receptacles,
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use `DW & DISPOSAL DUAL CIR - ...`,
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which includes only one receptacle.[^2]
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[^2]: [[2026-01-12_10-42-30#Unit Dishwasher/Disposal]]
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### Disposal Switches
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??? confirm
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If not air switch (check ID's)
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add single pole switch shown.
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### Islands
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Use (1) `SLAB / DECK` receptacle for every 2 circuits in the island.
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`COMMON ASSEMBLIES`/`UNITS - MC CABLE ASSEMBLIES`/`... RECEPTACLE TAMPER RESISTANT ...`/`... (METAL STUD) - 20' 3/4" PVC, ENT, 3#12 THHN`
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Use standard MC assemblies for remaining devices.
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### Bidet Toilets, Whirlpool Baths, etc.
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`COMMON ASSEMBLIES`/`MECHANICAL CONNECTIONS (UP TO 100A)`/`PVC - LT NM FLEX (CARFLEX)`/`20A 1PH MECH CONN (100') 3/4" PVC 3#12 - CARFLEX`
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### "High-Lows"
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Empty in-wall pass through
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from credenza location to behind television location.
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`COMMON ASSEMBLIES`/`TELECOM SYSTEMS`/`UNIT DATA - TELECOM`/`HIGH-LOW - TV SCOOP 1 1/2" ENT - NO CABLE`
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> 
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>
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> _Eaton 35M2W_
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### Doorbells
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???
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`HANDICAP DB W/SINGLE HORN/STROBE - 12/2c MC CABLE`
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### Telecom Homeruns
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#### Residential
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Included in MSDE.
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#### Key
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`COMMON ASSEMBLIES`/`TELECOM SYSTEMS`/`BOH AMENITY ASSEMBLIES`/...
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Adjust cable length as needed.
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### Fire Alarm Devices
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#### Residential
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* `System` = "EL - Electrical"
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##### Smoke Detectors & CO Detectors
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For smoke detectors and CO detectors where 120V (most common):
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`COMMON ASSEMBLIES`/`UNITS - MC CABLE ASSEMBLIES`/`GENERAL ASSEMBLIES - METAL STUD`/`UNIT SMOKE DETECTOR W/ CO DETECTOR ...`
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For ADA units:
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`COMMON ASSEMBLIES`/`UNITS - MC CABLE ASSEMBLIES`/`GENERAL ASSEMBLIES - METAL STUD`/`UNIT SMOKE DETECTOR / VISUAL SIGNAL ...`
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##### Additional Signaling Devices
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* `System` = "FA - Fire Alarm"[^3]
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`COMMON ASSEMBLIES`/`FIRE ALARM & DAS SYSTEMS`/`INDICATING DEVICES WITH WIRE - FREE AIR`/`INDOOR HORN STROBE - FREE AIR`
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[^3]: [[2026-05-12_09-15-34#Breakdowns for Remote Horn/Strobes in Units]]
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#### Hospitality
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* `System` = "FA - Fire Alarm"
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`COMMON ASSEMBLIES`/`FIRE ALARM & DAS SYSTEMS`/`... DEVICES WITH WIRE - FREE AIR`
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[[fire-alarm-takeoff]]
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