--- id: aliases: [] title: Unit Takeoff tags: - occupational/takeoff - status/draft - type/guide dg-publish: true --- # Unit Takeoff > [!info] > See [[multi-family-dwellings]]. [[pdi-building-types]] ## Prerequisites > [!important] > Complete [[pre-takeoff-research]], > including [[wiring-method-selection]] and [[wiring-device-research]], > before beginning takeoff. 1. [[pdi-conest-project-setup#Create Unit Matrix|Create Unit Matrix]] 2. [[accubid-setup#Create Unit Typicals|Create Unit Typicals]] ## Takeoff > [!tip] Preparing for Unit Takeoff > Units generally have very little variation. > It is usually best to copy-paste takeoffs > rather than re-build them for each unit. 3. Kitchen and Bath 4. General assemblies 5. Low Voltage 6. Lighting Fixtures 7. Lighting Control > [!tip] > It may be more efficient and neat to not copy switches, > instead keeping the switch assembly list open > and creating them new for each unit, > since the types required can vary greatly between units. > [!tip] > Consider using a "Typical - All Units" > for scope identical between all unit types. > * WAP Outlets > * MSDE's ### Load Centers * `System` = "EL - Electrical" | Rating | Assembly | | ------- | ---------------------------------------------------------------------------------- | | <= 100A | `DIST PANELS & UNIT LOAD CENTERS`/`UNIT LOAD CENTERS - ...`/`... UNIT LOAD CENTER` | | > 100A | `DIST PANELS & UNIT LOAD CENTERS`/`UNIT LOAD CENTERS - ...`/`... BREAKER PNL` | Include terminations per [[switchgear-takeoff]]. ### Fixtures [[fixtures-takeoff]] ### Shade Control ### VTAC Units Used in lieu of individual split systems. ### Dedicated Circuit Receptacles > [!quote] [[joel-jansen]] 2025-11-11, pp. > > For N5-15R/N5-20R receptacles serving fixed equipment such as: > > * refrigerators > * gas ranges > * microwaves > * clothes washers > * hood fans > > match the receptacle configuration shown on the plans > (i.e. simplex to simplex, duplex to duplex). ### Air Sealing * LEED Silver * Mid-Atlantic jobs * "Draft Proof Box" `ITEM DATABASE`/`BOXES & CABINETS`/`BOXES - VAPOR`/`...` `COMMON ASSEMBLIES`/`UNITS - MC CABLE ASSEMBLIES`/`GENERAL ASSEMBLIES - METAL STUD`/`UNIT MISC ITEMS - MC - ADJUST ACCORDINGLY` ### Dishwasher/Disposal Receptacles > [!quote] [[joel-jansen]] 2026-01-12 in reference to [[woodbrook]] (pp.)[^1] > Even when drawings show 2 separate duplex receptacles, > use `DW & DISPOSAL DUAL CIR - ...`, > which includes only one receptacle. [^1]: [[2026-01-12_10-42-30#Unit Dishwasher/Disposal]] ### Islands Use (1) `SLAB / DECK` receptacle for every 2 circuits in the island. `COMMON ASSEMBLIES`/`UNITS - MC CABLE ASSEMBLIES`/`... RECEPTACLE TAMPER RESISTANT ...`/`... (METAL STUD) - 20' 3/4" PVC, ENT, 3#12 THHN` Use standard MC assemblies for remaining devices. ### 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" Empty in-wall pass through from credenza location to behind television location. `COMMON ASSEMBLIES`/`TELECOM SYSTEMS`/`UNIT DATA - TELECOM`/`HIGH-LOW - TV SCOOP 1 1/2" ENT - NO CABLE` > ![Eaton 35M2W|250x250](https://www.eaton.com/mdmfiles/PDM19433863/35M2W_C/500x500_72dpi) > > _Eaton 35M2W_ ### Doorbells ??? `HANDICAP DB W/SINGLE HORN/STROBE - 12/2c MC CABLE` ### Telecom Homeruns #### Residential Included in MSDE. #### Key `COMMON ASSEMBLIES`/`TELECOM SYSTEMS`/`BOH AMENITY ASSEMBLIES`/... Adjust cable length as needed. ### Fire Alarm Devices #### Residential * `System` = "EL - Electrical" ##### Smoke Detectors & CO Detectors For smoke detectors and CO detectors where 120V (most common): `COMMON ASSEMBLIES`/`UNITS - MC CABLE ASSEMBLIES`/`GENERAL ASSEMBLIES - METAL STUD`/`UNIT SMOKE DETECTOR W/ CO DETECTOR ...` For ADA units: `COMMON ASSEMBLIES`/`UNITS - MC CABLE ASSEMBLIES`/`GENERAL ASSEMBLIES - METAL STUD`/`UNIT SMOKE DETECTOR / VISUAL SIGNAL ...` ##### Additional Signaling Devices * `System` = "FA - Fire Alarm" `COMMON ASSEMBLIES`/`FIRE ALARM & DAS SYSTEMS`/`INDICATING DEVICES WITH WIRE - FREE AIR`/`INDOOR HORN STROBE - FREE AIR` #### Key * `System` = "FA - Fire Alarm" `COMMON ASSEMBLIES`/`FIRE ALARM & DAS SYSTEMS`/`... DEVICES WITH WIRE - FREE AIR` [[fire-alarm-takeoff]]