IFC-SG Excel Mapping File
The Industry Mapping excel file will help you to:
- Better understand the IFC-SG requirements for different agencies
- Map the IFC Key Data Structures for each building component
- Understand other details of each building component, such as the associated agencies, disciplines, parameters
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If IFC-SG dimension parameters such as "Length", "Breadth" match the
native BIM objects' parameters, there is no need to manually add the
dimension values in the project. These dimensions will be automatically
filled in for the parameters via the IFC-SG configuration files provided
in this IFC-SG Resource Toolkit.
The Column Description table below describes each
column header in the Industry Mapping Excel and is colour coded for ease
of reference. You may also refer to the Pivot tab in the excel file in which the IFC representations have been grouped by entities or components.
| Column | Header Name | Description | Remarks |
| A | Agency | Regulatory Agency | |
| B | Identified Component | Regulatory Requirement Component (object) | Component / Object mentioned in Regulatory Guidebooks / Code of Practice / Guidelines / Handbooks e.g. Accessible Route |
| C | Identified Parameter | Regulatory Requirement Parameter (object) | Parameter / Attribute mentioned in Regulatory Guidebooks / Code of Practice / Guidelines / Handbooks that describes the feature / function of the component e.g. Fire Rating |
| D-G | BIM Authoring Tool Representation | Proposed BIM representation in respective authoring tool for reference. | This is for reference and not a strict requirement.You may choose to model and override to export to the expected IFC output. |
| H | IFC4 Entities | IFC Entity [Key data structure (i)] An Entity is an object defined in the IFC data model. It can be used to define a physical element or a conceptual idea (eg. space) | |
| I | IFC Sub Types | IFC Sub Type [Key data structure (ii)] Provides next level of information to further describe the Entity. These sub-types are a combination of Predefined and User-Defined Types. |
|
| J | Property Set | Property set [Key data structure (iii)] Set/Group of Properties that describes the function or feature of the Entity |
|
| K | Property Name | Property [Key data structure (iii)]for the Component | |
| L | Property Type | IFC Data Type for the property | e.g. Boolean = True/False, Label = Text |
| M | Property Unit | Indication if property value is of certain units | e.g. mm |
| N | IFC4 Material Set | Indicate if object needs to include material | User to note that Materials information to be input via the native parameter. Example of Wall material below: <screenshot> |
| P | Sample Values for reference | List of values to be entered for the parameter | |
| Q | Additional notes | Notes for reference |
After you have a better understanding of the agencies' requirements in IFC-SG, you may proceed to Step 3 to learn how to apply the IFC-SG information for each BIM authoring tool.