// 건축법 시행령 34조 (직통계단의 설치) 4항

check(EDBA_34_4){

		IF !CS THEN KS ENDIF

}

CS{

		Stair myStair{

				isObjectProperty(Stair.isDirect) = TRUE

		}

		Floor myFloor{

				isObjectProperty(Floor.isEscape) = TRUE

		}

		isDirectlyAccessible(myStair, myFloor) = TRUE

		OR isDirectlyAccessible(myStair, Ground) = TRUE

}

				

KS{

		isObjectProperty(Building.isQuasiHighriseBuilding) = TRUE

		Stair myStair{

				isObjectProperty(Stair.isDirect) = TRUE			

		}

		Zone myZone{

				isObjectProperty(Zone.isEgressSafetyZone) = TRUE

		}

		Floor myFloor{

				isObjectProperty(Floor.isEscape) = TRUE

		}

                isGoThrough(myFloor, myZone, myStair) = TRUE

		OR isGoThrough(myFloor, Ground, myStair) = TRUE

		(getBuildingStoriesCount()/2)-5 < getFloorNumber(myZone)

                getFloorNumber(myZone) < (getBuildingStoriesCount()/2)+5

} 

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