"id": "e71"
-"cls": "IFCCOLUMN"
+"cls": "IFCSLAB"
"shape": "box"
-"label": "管柱 105角"
+"label": "1F 床スラブ (拡張部)"
-"x": 4030
+"x": 6600
"y": 5560
"z": 0
-"w": 105
+"w": 5000
-"d": 105
+"d": 5000
-"h": 2900
+"h": 120
"rotation": 0.0
-"descr": "桧 KD材 105×105 (wood) / 軸組柱 @910グリッド"
+"descr": "構造用合板 t24 (wood) 剛床 + 製材根太 @303 / 床下 GW 断熱"