Table 1. Standards for general BIM objects and developing methods for plant BIM objects

Category Standards for general BIM objects Developing methods for plant BIM objects
Shape creation 2D symbol

Contain both 2D symbols and 3D shapes

Contain both 2D symbols and 3D shapes

3D shape representation

Concept design (LOD100), schematic design (LOD200), detail design (LOD300), construction design (LOD400)

Visualization options of LOD200, 300, and 350 in one file

Appearance at LOD350 in cross-sectional views

Shape dimension

Set the shape dimension based on the size of government supplied materials

Use parameters to enable dimension adjustment when dimension specifications are variable

Comply with standards for general BIM objects

Create the shape dimension based on the tree height

Designate the tree height as a parameter

Set parameters for the size of roots based on the excavated root portion of transplanted tree

Material

Choose the methods freely to express objects

Set a single color based on the specific ones of flowers, leaves, or fruits of plant species

Information input Part classification

3 digits of part classification in construction information classification system

‘E985’ for plants

Standard construction code

3 digits of standard construction code in public procurement service

‘101’ for plants

Producer

Producer name

Producer name

Production date

YYYYMMDD format

YYYYMMDD format

Etc.

Additional input depending on the needs of the owner, designer, constructor, etc.

Add ecological properties and environmental performance properties

KBIMS designation

Dissemination code, dissemination author

Identification-bSK registration number, Identification-Version

Korean Industrial Standard (KS)

Enter the KBIMS designation information except Korean Industrial Standard (KS)

File creation File format

Produced in original format with a BIM authorizing tool

The type and version of the software by the discretion of the producer

Production of IFC 2x3 or higher

Produce original files in Revit

Export IFCs from original files and check whether property information is included (ifcBuildingElementProxy or ifcPlant)

File name Public procurement service (example) L-pinus strobus_H3×W1.5

Consider proper the naming method not only for plants not also for outdoor facilities and pavement materials in systematic composition

KBIMS (example) LA111-ever green pinus strobus