Table 3. KBIMS library attributes (example of floor element)

Application	Info category	Property	Requirement	Expression	T/Ia	Included
Common	Identification	KBIMS-Version	◦	Text	T	◦
		KBIMS-Library ID	◦	Text	T	◦
		KBIMS-Name	◦	Text	T	◦
		KBIMS-bSK Registration No.	◦	Text	T	◦
	Distribution	KBIMS-Author	◦	Text	T	◦
		KBIMS-Distribution code	◦	Text	T	◦
	Classification	KCCC-Element*	◦	Text	T	◦
		PPS Standard construction code**	◦	Text	T	◦
		KS Standard	◦	Text	T	◦
Specific objects (floor)	Identification	Sign	◦	Text	T	◦
	Location	Story (level)	◦	Text	T	×
		External exposure	◦	Boolean	T	◦
	Form	Cross section	◦	Text	T	◦
	Size	Thickness	◦	Number	T	◦
		Perimeter	◦	Number	T	◦
		Area	◦	Number	T	×
		Volume	◦	Number	T	×
	Performance	Use of non-combustible materials, fire rating, fire resistance structure, moisture proof, thermal conductivity, thermal transmittance	◦	Boolean, text, number	T	◦
	Function	Whether or not to use evacuation shelter, furnace (=balcony), presence or absence of compression material	◦	Boolean	T	◦

T/I: Type/Instance in BIM authoring softwares. If a property is modified based on ‘type’, all objects of the same type will be modified, whereas if it is modified based on ‘instance’, only the object itself will be modified