//  연결살수설비의 화재안전기준(nfsc 503) 5조 (배관 등) 1항 2호

Check(NFSC503_5_1_2){
	KS
}
KS{
	Duct myDcut{
	isFireResistantStructure(Duct) = TRUE
	}
	isInstalled(Pipe, Duct) = TRUE
	OR isInstalled(Pipe, Pit.Inside) = TRUE
} 

Check(NFSC102_6_2_2){
	KS
}
KS{
	Duct myDcut{
	isFireResistantStructure(Duct) = TRUE
	}
	isInstalled(Pipe, Duct) = TRUE
	OR isInstalled(Pipe, Pit.Inside) = TRUE
}
 

Check(NFSC103A_8_2_2){
	KS
}
KS{
	Duct myDcut{
	isFireResistantStructure(Duct) = TRUE
	}
	isInstalled(Pipe, Duct) = TRUE
	OR isInstalled(Pipe, Pit.Inside) = TRUE
}