1. Autodesk Revit © Naming Requirements USC Nomenclature Guide for the correct naming of Families, Types, Instances, Systems and Zones

2. Nomenclature | 2 SOURCES OmniClass Table 23 Products OmniClass Table 21 Elements (Assemblies) U.S. National CAD Standards Module 05 Terms and Abbreviations Legacy Source MasterFormat ©2004 Legacy Source UniFormat™ 1992,1998

3. Nomenclature | 3 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.

4. Nomenclature | 4 U.S. NATIONAL CAD STANDARDS Module 05 Terms and Abbreviations

5. Nomenclature | 6 example FAMILY, TYPE & INSTANCE NAMES for VAV BOX D01

6. Nomenclature | 7 FAMILY, TYPE & INSTANCE Family NameType NameInstance Name Variable Air Volume Terminal Units VAV Reheat 6”VAV-D01 Type DescriptionInstance Description VAV with Reheat Price SDV 6” VAV Box with Reheat 6” D01

7. Nomenclature | 8 FAMILY NAME OmniClass Table 23 23-33 41 17 13 Variable Air Volume Terminal Units 23-33 41 HVAC Air Terminals 23- 33 41 17 Terminal Air Units 23-33 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 OmniClass Table 23 name appears at the beginning, what you add after is acceptable if this extra description is necessary.

8. Nomenclature | 9 FAMILY NAME OmniClass Table 23 23-33 41 17 13 Variable Air Volume Terminal Units 23-33 41 17 13 Variable Air Volume Terminal Units

9. Nomenclature | 10 TYPE NAME VAV 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 1 1 1 1

10. Nomenclature | 11 TYPE DESCRIPTION VAV with Reheat Price SDV 6” Extended description denoting manufacturer/model/size / type as easily identified & understood “with Reheat Price SDV 6” ” Type Name + “VAV” + Populating 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. 2 2 2 2

11. Nomenclature | 12 INSTANCE NAME VAV-D01 ID unique to that component as identified in the equipment / component schedules For example, Tag Number “D01” “D01” U.S. National CAD Standards “VAV” 3 3 3 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

12. Nomenclature | 13 INSTANCE DESCRIPTION VAV 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” 4 4 Populating 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. 4 4

13. Nomenclature | 14 HOW TO RENAME FAMILIES TYPES INSTANCES Family Name Variable Air Volume Terminal Units Directly in the Project Browser or Directly in the.rfa Family File

14. Nomenclature | 15 Type Name VAV Reheat 6 Inches HOW TO RENAME FAMILIES TYPES INSTANCES Type Description VAV 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” or

15. Nomenclature | 16 HOW TO RENAME FAMILIES, TYPES, INSTANCES Instance Name VAV-D01 Instance Description VAV Reheat 6 Inches D01 Shared Parameter “Instance Name” Shared Parameter “Instance Description”

16. Nomenclature | 17 TYPE & INSTANCE NOMENCLATURE EXECUTION OVERVIEW SYSTEM & SHARED PARAMETERS Major Equipment/Element TYPES Major Equipment/Element INSTANCES Parameter Name Instance Name Instance Description Parameter Name Revit Type Name (directly in Revit) Type Name Type Description or and

17. Nomenclature | 19 SYSTEMS Mechanical Supply Air AHU-D1 OmniClass Table 21 21-04 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 equipment from others (usually a tag number or mark from the schedules) + “D1”

18. Nomenclature | 20 DUCTLESS SYSTEMS Mechanical Return Air RG-1 2 nd 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 2 nd Floor OmniClass Table 21 21-04 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 + “2 nd Floor 214A Office” Room : 214A Office RG-1

19. Nomenclature | 21 ZONES example: HVAC Zone associated with VAV Box D01 serving Offices 100,101,102 National CAD Standard NCS 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 NAME VAV-D01 Offices 100, 101, 102