autodesk revit naming requirements naming requirements...draft nomenclature | family name omniclass...
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Autodesk Revit© Naming Requirements
USC Nomenclature Guide for the correct naming of Families, Types, Instances, Systems and Zones
12/19/2012
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SOURCESOmniClass Table 23 Products OmniClass Table 21
Elements (Assemblies)U.S. National CAD Standards
Module 05Terms and Abbreviations
Legacy SourceMasterFormat©2004
Legacy SourceUniFormat™ 1992,1998
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OMNICLASS
• Classification system for the construction industry
• Developed via consensus and broad participation from the
construction industry, individuals and organizations
• Uses existing legacy systems like MasterFormat©2004 and
UniFormat™ 1992,1998
• 15 Tables covering everything from facilities to spaces, construction
products, assemblies, phases, organizational roles, tools, disciplines
etc.
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U.S. NATIONAL CAD STANDARDSModule 05 Terms and Abbreviations
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Nomenclature |
example FAMILY, TYPE & INSTANCE NAMES for VAV BOX with TAG NUMBER “D01”
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FAMILY, TYPE & INSTANCE
Family Name Type Name Instance NameVariable Air Volume
Terminal UnitsVAV Reheat 6” VAV‐D01
Type Description Instance Description
VAV with Reheat Price SDV 6”
VAV Box with Reheat 6” D01
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FAMILY NAME
OmniClass Table 2323‐33 41 17 13
Variable Air Volume Terminal Units
23‐33 41 HVAC Air Terminals23‐ 33 41 17 Terminal Air Units23‐33 41 17 13 Variable Air Volume
Terminal Air Units
Add a further description here as a suffix as needed at your discretion if you need to
differentiate between one family and another that are close in
geometry or function.
As long as the official OmniClassTable 23 name appears at the beginning, what you add after is
acceptable if this extra description is necessary.
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FAMILY NAME
OmniClass Table 2323‐33 41 17 13
Variable Air Volume Terminal Units
23‐33 41 17 13 Variable Air Volume Terminal Units
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TYPE NAMEVAV Reheat 6”
Brief description denoting size / capacity/type as easily identified
& understood
(description is based on your discretion but should at minimum include sizes or dimensions for example
2’x 2’, 6”, 8” 1.5’ x 3’, 10” etc.)
“Reheat 6” ”
U.S. National CAD Standards“VAV” +
If the abbreviation for a piece of equipment is not listed in the National CAD Standards, use the abbreviation used in your equipment/component schedules instead. For example, a “Fan Powered Box” would be abbreviated as “FPB”, Use abbreviations as universally understood in the industry
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TYPE DESCRIPTIONVAV with Reheat Price SDV 6”
Extended description denoting manufacturer/model/size / type as easily identified & understood
“with Reheat Price SDV 6” ”
Type Name +
“VAV” +
Inserting this parameter, “Type Description” is a requirement. Filling in the fields, however, is up to your discretion. You may enter an added description here to supplement Type Names for the purpose of clarity or leave it blank.
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INSTANCE NAMEVAV‐D01
ID unique to that componentas identified in the equipment / component
schedules or drawings (IF EXISTS)
For example, Tag Number “D01”
“D01”
U.S. National CAD Standards“VAV”
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3 If the abbreviation for a piece of equipment is not listed in the National CAD Standards, use the abbreviation used in your equipment/component schedules instead. For example, a “Fan Powered Box” would be abbreviated as “FPB”, Use abbreviations as universally understood in the industry
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INSTANCE DESCRIPTIONVAV Box Reheat 6 Inches D01
Extended annotative description denoting type/size/id/location unique to that component
“Reheat 6 Inches D01”+
U.S. National CAD Standards“VAV”
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Inserting this parameter, “Instance Description” is a requirement. Filling in the fields, however, is up to your discretion. You may enter an added description here to supplement Instance Names for the purpose of clarity or leave it blank.
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HOW TO RENAME FAMILIES TYPES INSTANCES
Family Name Variable Air Volume Terminal Units
Directly in theProject Browser
orDirectly in the .rfa Family File
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Type Name VAV Reheat 6 Inches
HOW TO RENAME FAMILIES TYPES INSTANCES
Type DescriptionVAV with Reheat Price SDV 6
Inches
Shared Parameter“Type Name”
Allows for the maintenance of your original office standards while simultaneously meeting USC’s
requirements
Directly in Revit or the Revit Family file
Shared Parameter“Type Description”
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HOW TO RENAME FAMILIES, TYPES, INSTANCES
Instance Name VAV‐D01
Instance DescriptionVAV Reheat 6 Inches D01
Shared Parameter“Instance Name”
Shared Parameter“Instance Description”
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example FAMILY, TYPE & INSTANCE NAMES for a ROUND CONED SUPPLY DIFFUSER Type RC-1
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Nomenclature |
FAMILY, TYPE & INSTANCE
Family Name Type Name Instance NameSupply Air Ventilation Diffusers Round Coned
SA DIFF Round Coned 24" Face 8 Connection
SA DIFF Type RC‐1
Type Description Instance Description
Round Coned Diffuser Supply Air Diffuser Type RC‐1
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example FAMILY, TYPE & INSTANCE NAMES for a STANDARD ROUND VOLUME DAMPER
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FAMILY, TYPE & INSTANCE
Family Name Type Name Instance Nameno tag number needed if not scheduled or
not tagged in drawings
Volume ControlDamper Round
VD Standard RoundSupply
VD RND SPLY
Type Description Instance Description
Standard Round Volume Damper on Supply Ducts
Standard Round Volume Damper on
Supply Ducts
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example FAMILY, TYPE & INSTANCE NAMES for MAIN SERVICE TRANSFORMER ‘C’
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FAMILY, TYPE & INSTANCE
Family Name Type Name Instance NameTransformer Liquid Filled Substation
XFMR 500kVA, 4.8 kV –480/277V
XFMR T‐MSC
Type Description Instance Description
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example FAMILY, TYPE & INSTANCE NAMES for PANELBOARD 208V
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FAMILY, TYPE & INSTANCE
Family Name Type Name Instance NamePanelboards 208V MLO
SurfacePB 208/120V, 225A PB EL1A
Type Description Instance Description
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example FAMILY, TYPE & INSTANCE NAMES for a DUPLEX RECEPTACLE
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Nomenclature |
FAMILY, TYPE & INSTANCE
Family Name Type Name Instance Nameno tag number needed if not scheduled or
not tagged in drawings
Electrical Receptacle Duplex
ELEC RECPT GFCI Duplex ELEC RECPT
Type Description Instance Description
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example FAMILY, TYPE & INSTANCE NAMES for a 4” SQUARE 120V JUNCTION BOX
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FAMILY, TYPE & INSTANCE
Family Name Type Name Instance Nameno tag number needed if not scheduled or
not tagged in drawings
Electrical Junction Box Loaded
J‐BOX 4" Square 120 J‐BOX
Type Description Instance Description
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example FAMILY, TYPE & INSTANCE NAMES for a LOW VOLTAGE LIGHT SWITCH
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FAMILY, TYPE & INSTANCE
Family Name Type Name Instance Nameno tag number needed if not scheduled or
not tagged in drawings
Lighting Switches LT SW Low Voltage LT SW
Type Description Instance Description
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example FAMILY, TYPE & INSTANCE NAMES for a WALL MOUNTED OCCUPANCY SENSOR
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FAMILY, TYPE & INSTANCE
Family Name Type Name Instance Nameno tag number needed if not scheduled or
not tagged in drawings
Occupancy Sensor Wall Low Voltage
OCCUPANCY SNSR Dual Technology
OCCUPANCY SNSR
Type Description Instance Description
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example FAMILY, TYPE & INSTANCE NAMES for a 2’ x 2’ Indirect Light Fixture
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FAMILY, TYPE & INSTANCE
Family Name Type Name Instance NameLighting Fixtures 2’ x 2’
IndirectLTNG FIXT 24"(2 Lamp)
277VLTNG FIXT Type D01
Type Description Instance Description
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example FAMILY, TYPE & INSTANCE NAMES for a GATE VALVE
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FAMILY, TYPE & INSTANCE
Family Name Type Name Instance NameGate Valve 2‐12 Inches GTV Gate Valve 1" GTV‐40
Type Description Instance Description
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example FAMILY, TYPE & INSTANCE NAMES for a WATER CLOSET 1.6gpf
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FAMILY, TYPE & INSTANCE
Family Name Type Name Instance NameWater Closet Flush Valve Floor Mounted
WC 1.6gpf WC Type WC‐1
Type Description Instance Description
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example FAMILY, TYPE & INSTANCE NAMES for a STEEL SINGLE FLUSH 12 GLASS PANEL DOOR
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FAMILY, TYPE & INSTANCE
Family Name Type Name Instance NameDoor Steel Single Flush
Glass 12 PanelDR 3‐0x9‐4x1‐3/4 Type J DR 100.B
Type Description Instance Description
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example FAMILY, TYPE & INSTANCE NAMES for a SOLID CORE WOOD SINGLE FLUSH DOOR (1hr)
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Nomenclature |
FAMILY, TYPE & INSTANCE
Family Name Type Name Instance NameDoor Solid Core Wood
Single FlushDR 3‐0x7‐0x1 3/4 60Min
Type ADR S2.1‐A
Type Description Instance Description
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example FAMILY, TYPE & INSTANCE NAMES for a STEEL OVERHEAD ROLLING DOOR
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FAMILY, TYPE & INSTANCE
Family Name Type Name Instance NameDoor Steel Overhead
Rolling DR 12‐0x15‐0x3 Type M DR 105.B
Type Description Instance Description
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example FAMILY, TYPE & INSTANCE NAMES for a CAST STONE FIXED GLASS WINDOW
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FAMILY, TYPE & INSTANCE
Family Name Type Name Instance NameWindow Cast Stone
Fixed GlassWDW 2'‐10 3/4" x 2'‐6 3/4" Cast Stone Trim
WDW Type J
Type Description Instance Description
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SYSTEMSMechanical Supply Air AHU‐D1
OmniClass Table 2121‐04 30 60 10
HVAC – Ventilation – Supply Air
Abbreviation : U.S. National CAD Standards
Air Handling Unit
+“Supply Air” “AHU”
Identification that further
defines a piece of equipmentfrom others
(usually a tag number or mark
from the schedules)
+ “D1”
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DUCTLESS SYSTEMSMechanical Return Air RG‐1 2nd Floor 214A Office
Ductless return air system consisting of pieces of ductwork and a return air grille marked as “RG‐1”, whose grille is physically located in room 214A Office on the 2nd Floor
OmniClass Table 2121‐04 30 60 20
HVAC – Ventilation – Return Air
Tag number of the Return Grill “RG‐1”
+“Return Air” “RG‐1”
Floor + USC Official Room Name & Number
+“2nd Floor
214A Office”
Room : 214A Office
RG‐1
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ZONESexample: HVAC Zone associated with VAV Box D01 serving Offices 100,101,102
National CAD StandardNCS 3.1 Module 5 abbreviation for Air
Handling Unit is "VAV"+
Description denoting ‘size/type as easily identified "D01"
VAV‐D01
USC Official Room Names and Numbers for Rooms contained in that Zone
Office "100", "101", "102"Office 100, 101, 102
ZONE NAMEVAV‐D01 Offices 100, 101, 102
VAV‐D01 Offices 100, 101, 102