Table 6. Proposed landscape object classification and IFC coverage

Landscape object classification			Code (2)	Library name (example)	KCCS^a	PPS^b	IFC coverage^c
Level 1(1)	Level 2(1)	Level 3(1)	Code (2)	Library name (example)	KCCS^a	PPS^b	IFC coverage^c
1. Landscape plant	11. Tree	111. Evergreen tree112. Deciduous tree	LT	LT112_white magnolia	E98	10161599	IfcPlant
	12. Shrub	121. Evergreen shrub122. Deciduous shrub	LS	LS122_royal azalea		10161599
	13. Ground cover and others	131. Ground cover132. Climbing plant133. Water plant	LG	LG131_lilyturf		10161699
	13. Ground cover and others	134. Grass	LG	LG134_golden grass		10161899
2. Landscape facility	21. Outdoor installation	211. Outdoor furniture	LI	LI211_bench	E94	49241596	IfcFurniture (Combination of existing IFCs)
		212. Playground facilities				4924
		213. Exercise facilities				49201697
	22. Outdoor Lighting facility	221. Landscape light222. Underwater light	LL	LL221_spot light	E96	39111605	IfcLightSource (Combination of existing IFCs)
3. Landscape construction	31. Stairs and ramp	311. Stairs	LA	LA311_wood stairs	E27	3016	IfcStair
	31. Stairs and ramp	312. Ramp	LA	LA312_concrete ramp	E27	3016	IfcRamp
	32. Outdoor wall	321. Retaining wall322. Decorative wall	LW	LW322_stone retaining wall	E08	3012	IfcWall (Combination of Existing IFCs)
	33. Outdoor structure	331. Fences332. Railing333. Gate334. Pergola	LC	LC332_steel railing	E94	3013	IfcRailingIfcFurniture (Combination of Existing IFCs)
4. Landscape pavement	41. Pavement	411. Soil pavement412. Block pavement413. Integrated pavement	LV	LV412_clay block	E11	3012	IfcPavement
4. Landscape pavement	42. Curb	421. Concrete block422. Granite block	LU	LU422_granite block	E11	30131503	IfcKerb
5. Irrigation and drainage	51. Irrigation	511. Water supply facility512. Control system	LR	LR511_spray sprinklerLR512_control valve	E98	2110	IfcDistributionElementIfcDistributionFlowElements
5. Irrigation and drainage	52. Drainage	521. Drain522. Line drainage	LD	LD522_concrete gutter	E11	4014	IfcDistributionElementIfcDistributionFlowElements

KCCS: Korean Construction information Classification System
PPS: Public Procurement Service (standard construction code)
IFC4×3 Release candidate 2. In addition to these listed above, landscape objects could be covered by Ifc Building Element Proxy