{"address":"北海道積丹郡積丹町入舸町 — 1984 RC 校舎 + 1984 鉄骨RC体育館、2018 閉校、土地賃貸借/建物要相談 (積丹町総合戦略課 0135-44-2114)","construction_jpy":95000000,"elements":[{"cls":"IFCSITE","d":110000,"descr":"Real site: 〒046-0321 北海道積丹郡積丹町入舸町。GPS 43.34°N 140.50°E。2018 閉校 (1984 cohort RC 校舎 630.12㎡ + 鉄骨+RC 体育館 509.00㎡)。積丹町総合戦略課 (0135-44-2114 / kikaku@town.shakotan.lg.jp) 募集中、土地 賃貸借 / 建物 要相談。利用条件: 地域の活性化・町民に貢献できる事業に限る。積丹半島先端、日本海側の漁業集落、神威岬 (kamuiminato) 8km west、札幌 100km SE。「積丹ブルー」と呼ばれる海の青さで知られる観光地。冬期豪雪 1.5 kN/m²、塩害強い (SUS316 必須)、卓越風 NW から日本海。Material palette: 1984 RC retain / 鉄筋コンクリート造 / 塩害対応 SUS316 / 積丹石 / ダイビングプール塩水 / アクリル水中窓 / シーグラスタイル / ヒバ油塗装 / PV 18kW / 蓄電 30kWh。海への strong axis、神威岬 view を fully exploit する設計。","h":200,"id":"e1","label":"旧入舸小学校 (積丹町入舸町) 11,076㎡","material":{"code":"RC","f_star":"F4","fire_rating_min":60,"name":"鉄筋コンクリート","thickness_mm":200,"u_value_w_m2k":0.35},"rotation":0.0,"shape":"box","w":130000,"x":5000,"y":5000,"z":-200},{"cls":"IFCBUILDINGELEMENTPROXY","d":110000,"descr":"日本海 (Sea of Japan)。「積丹ブルー」を architecture に invoke するための site reference。敷地から西〜北西方向に展開、神威岬 view axis を defining する。塩害対応 SUS316 / アクリル水中窓 / シーグラスタイル などの material 起源。","floor":1,"h":100,"id":"e2","label":"日本海 sea surface hint","material":{"code":"TILE","f_star":"F4","name":"タイル","thickness_mm":12},"rotation":0.0,"shape":"box","w":30000,"x":5000,"y":5000,"z":-300},{"cls":"IFCBUILDINGELEMENTPROXY","d":110000,"descr":"積丹町 冬期豪雪 1.5 kN/m²。1.2m 平地積雪 annual base。塩を含む海風雪のため、ヒバ油塗装 + SUS316 で 防腐・防錆対応。","floor":1,"h":1200,"id":"e3","label":"Winter snow surface 1.2m (base)","material":{"code":"WOOD","f_star":"F4","name":"ヒノキ/ヒバ無垢材","thickness_mm":30},"rotation":0.0,"shape":"box","w":130000,"x":5000,"y":5000,"z":0},{"cls":"IFCWALL","d":200,"descr":"1984 年築 鉄筋コンクリート造 外周壁 t=200mm 北側 #1 (西半 15m)。既存保持 retain、内側に 塩害対応 SUS316 アンカー + SIPs 140mm 追加で U=0.20。外装は 焼杉 (ヒバ油塗装 backup) t=15 縦張り、塩害強い海風対策。","floor":1,"h":3600,"id":"e4","label":"校舎北壁 RC t=200 (1984 retain) #1","material":{"code":"SIPS","f_star":"F4","fire_rating_min":45,"name":"Structural Insulated Panel","thickness_mm":200,"u_value_w_m2k":0.2},"rotation":0.0,"shape":"box","structural":{"axial_capacity_kn":250.0,"load_bearing":true,"seismic_grade":"2"},"w":15000,"x":30000,"y":50800,"z":0},{"cls":"IFCWALL","d":200,"descr":"1984 RC 外周壁 t=200mm 北側 #2 (東半 15m)。retain + SIPs 140 内張 + 焼杉。ヒバ油塗装 backup、塩害対応 SUS316 アンカー。","floor":1,"h":3600,"id":"e5","label":"校舎北壁 RC t=200 (1984 retain) #2","material":{"code":"SIPS","f_star":"F4","fire_rating_min":45,"name":"Structural Insulated Panel","thickness_mm":200,"u_value_w_m2k":0.2},"rotation":0.0,"shape":"box","structural":{"axial_capacity_kn":250.0,"load_bearing":true,"seismic_grade":"2"},"w":15000,"x":45000,"y":50800,"z":0},{"cls":"IFCWALL","d":200,"descr":"南面 (engawa terrace 側) 1984 RC 外周壁 #1 (西半 15m)。海岸線 南西方向への engawa terrace 連続床。内側 SIPs 140 + ヒバ油塗装 化粧。塩害対応 SUS316 アンカー。","floor":1,"h":3600,"id":"e6","label":"校舎南壁 RC t=200 (1984 retain) #1","material":{"code":"SIPS","f_star":"F4","fire_rating_min":45,"name":"Structural Insulated Panel","thickness_mm":200,"u_value_w_m2k":0.2},"rotation":0.0,"shape":"box","structural":{"axial_capacity_kn":250.0,"load_bearing":true,"seismic_grade":"2"},"w":15000,"x":30000,"y":30000,"z":0},{"cls":"IFCWALL","d":200,"descr":"南面 1984 RC 外周壁 #2 (東半 15m)。engawa terrace 側、海への strong axis、神威岬 view を fully exploit する大開口位置。SIPs 140 + ヒバ油塗装 + 塩害対応 SUS316。","floor":1,"h":3600,"id":"e7","label":"校舎南壁 RC t=200 (1984 retain) #2","material":{"code":"SIPS","f_star":"F4","fire_rating_min":45,"name":"Structural Insulated Panel","thickness_mm":200,"u_value_w_m2k":0.2},"rotation":0.0,"shape":"box","structural":{"axial_capacity_kn":250.0,"load_bearing":true,"seismic_grade":"2"},"w":15000,"x":45000,"y":30000,"z":0},{"cls":"IFCWALL","d":10500,"descr":"RC 外周壁 retain 東面 #1 (南半 10.5m)、内側 SIPs 140 + 焼杉内張 t=15。妻面、外装 ヒバ油塗装 + 塩害対応 SUS316 笠木。","floor":1,"h":3600,"id":"e8","label":"校舎東壁 RC t=200 (1984 retain) #1","material":{"code":"SIPS","f_star":"F4","fire_rating_min":45,"name":"Structural Insulated Panel","thickness_mm":200,"u_value_w_m2k":0.2},"rotation":0.0,"shape":"box","structural":{"axial_capacity_kn":250.0,"load_bearing":true,"seismic_grade":"2"},"w":200,"x":59800,"y":30000,"z":0},{"cls":"IFCWALL","d":10500,"descr":"RC 外周壁 retain 東面 #2 (北半 10.5m)、SIPs 140 + 焼杉 + ヒバ油塗装。","floor":1,"h":3600,"id":"e9","label":"校舎東壁 RC t=200 (1984 retain) #2","material":{"code":"SIPS","f_star":"F4","fire_rating_min":45,"name":"Structural Insulated Panel","thickness_mm":200,"u_value_w_m2k":0.2},"rotation":0.0,"shape":"box","structural":{"axial_capacity_kn":250.0,"load_bearing":true,"seismic_grade":"2"},"w":200,"x":59800,"y":40500,"z":0},{"cls":"IFCWALL","d":10500,"descr":"校舎と体育館を区切る pre-existing RC 壁 retain #1 (南半 10.5m)。新規 fire door 1 箇所 (1000×2100)。内側 SIPs 140 + 焼杉。","floor":1,"h":3600,"id":"e10","label":"校舎西壁 RC t=200 (体育館連結, 1984 retain) #1","material":{"code":"SIPS","f_star":"F4","fire_rating_min":45,"name":"Structural Insulated Panel","thickness_mm":200,"u_value_w_m2k":0.2},"rotation":0.0,"shape":"box","structural":{"axial_capacity_kn":250.0,"load_bearing":true,"seismic_grade":"2"},"w":200,"x":30000,"y":30000,"z":0},{"cls":"IFCWALL","d":10500,"descr":"校舎西壁 #2 (北半 10.5m)。SIPs 140 + 焼杉。ダイビングプール側との 防音 + 防湿 detailing。","floor":1,"h":3600,"id":"e11","label":"校舎西壁 RC t=200 (体育館連結, 1984 retain) #2","material":{"code":"SIPS","f_star":"F4","fire_rating_min":45,"name":"Structural Insulated Panel","thickness_mm":200,"u_value_w_m2k":0.2},"rotation":0.0,"shape":"box","structural":{"axial_capacity_kn":250.0,"load_bearing":true,"seismic_grade":"2"},"w":200,"x":30000,"y":40500,"z":0},{"cls":"IFCROOF","d":21000,"descr":"1984 RC 屋根 substrate retain + 立平 SUS316 0.5mm 上葺き (塩害対応)。PV 18kW (48 panels, 1700×1000mm 370W) on south slope。雪荷重 1.5 kN/m²、勾配 1/12 snow-slide 設計。海風塩害強いため SUS316 + ヒバ油塗装 backup。","floor":1,"h":250,"id":"e12","label":"校舎屋根 既存 retain + 立平 SUS316 + PV 18kW","material":{"code":"RC","f_star":"F4","fire_rating_min":60,"name":"鉄筋コンクリート","thickness_mm":200,"u_value_w_m2k":0.35},"rotation":0.0,"shape":"box","w":30000,"x":30000,"y":30000,"z":3600},{"cls":"IFCSLAB","d":21000,"descr":"既存 1984 RC slab t=150 retain + XPS 100mm + 床暖房ループ (空気熱 HP + PV 連動)。床仕上: シーグラスタイル (海岸漂着物 reuse) + 北海道産ヒバ無垢板 (ヒバ油塗装) の混在パターン。玄関土間は積丹石 split-face。","floor":1,"h":150,"id":"e13","label":"校舎床 既存スラブ + XPS 100 + 放射暖房","material":{"code":"RC","f_star":"F4","fire_rating_min":60,"name":"鉄筋コンクリート","thickness_mm":200,"u_value_w_m2k":0.35},"rotation":0.0,"shape":"box","w":30000,"x":30000,"y":30000,"z":0},{"cls":"IFCWINDOW","d":220,"descr":"1984 年の original 開口寸法 900×1800 を retain。Triple-glazed argon Uw=0.8 + 塩害対応 SUS316 sash で更新。Facade rhythm preserved。外装 焼杉 + ヒバ油塗装 backup。","floor":1,"h":1800,"id":"e14","label":"校舎北面 narrow window #1 (1984 retain rhythm)","material":{"code":"SHO-SUGI","f_star":"F4","fire_rating_min":30,"name":"焼杉サイディング","thickness_mm":18},"rotation":0.0,"shape":"box","w":900,"x":32000,"y":50800,"z":900},{"cls":"IFCWINDOW","d":220,"descr":"1984 年の original 開口寸法 900×1800 を retain。Triple-glazed argon Uw=0.8 + 塩害対応 SUS316 sash で更新。Facade rhythm preserved。外装 焼杉 + ヒバ油塗装 backup。","floor":1,"h":1800,"id":"e15","label":"校舎北面 narrow window #2 (1984 retain rhythm)","material":{"code":"SHO-SUGI","f_star":"F4","fire_rating_min":30,"name":"焼杉サイディング","thickness_mm":18},"rotation":0.0,"shape":"box","w":900,"x":36000,"y":50800,"z":900},{"cls":"IFCWINDOW","d":220,"descr":"1984 年の original 開口寸法 900×1800 を retain。Triple-glazed argon Uw=0.8 + 塩害対応 SUS316 sash で更新。Facade rhythm preserved。外装 焼杉 + ヒバ油塗装 backup。","floor":1,"h":1800,"id":"e16","label":"校舎北面 narrow window #3 (1984 retain rhythm)","material":{"code":"SHO-SUGI","f_star":"F4","fire_rating_min":30,"name":"焼杉サイディング","thickness_mm":18},"rotation":0.0,"shape":"box","w":900,"x":40000,"y":50800,"z":900},{"cls":"IFCWINDOW","d":220,"descr":"1984 年の original 開口寸法 900×1800 を retain。Triple-glazed argon Uw=0.8 + 塩害対応 SUS316 sash で更新。Facade rhythm preserved。外装 焼杉 + ヒバ油塗装 backup。","floor":1,"h":1800,"id":"e17","label":"校舎北面 narrow window #4 (1984 retain rhythm)","material":{"code":"SHO-SUGI","f_star":"F4","fire_rating_min":30,"name":"焼杉サイディング","thickness_mm":18},"rotation":0.0,"shape":"box","w":900,"x":44000,"y":50800,"z":900},{"cls":"IFCWINDOW","d":220,"descr":"1984 年の original 開口寸法 900×1800 を retain。Triple-glazed argon Uw=0.8 + 塩害対応 SUS316 sash で更新。Facade rhythm preserved。外装 焼杉 + ヒバ油塗装 backup。","floor":1,"h":1800,"id":"e18","label":"校舎北面 narrow window #5 (1984 retain rhythm)","material":{"code":"SHO-SUGI","f_star":"F4","fire_rating_min":30,"name":"焼杉サイディング","thickness_mm":18},"rotation":0.0,"shape":"box","w":900,"x":48000,"y":50800,"z":900},{"cls":"IFCWINDOW","d":220,"descr":"1984 年の original 開口寸法 900×1800 を retain。Triple-glazed argon Uw=0.8 + 塩害対応 SUS316 sash で更新。Facade rhythm preserved。外装 焼杉 + ヒバ油塗装 backup。","floor":1,"h":1800,"id":"e19","label":"校舎北面 narrow window #6 (1984 retain rhythm)","material":{"code":"SHO-SUGI","f_star":"F4","fire_rating_min":30,"name":"焼杉サイディング","thickness_mm":18},"rotation":0.0,"shape":"box","w":900,"x":52000,"y":50800,"z":900},{"cls":"IFCWINDOW","d":220,"descr":"1984 年の original 開口寸法 900×1800 を retain。Triple-glazed argon Uw=0.8 + 塩害対応 SUS316 sash で更新。Facade rhythm preserved。外装 焼杉 + ヒバ油塗装 backup。","floor":1,"h":1800,"id":"e20","label":"校舎北面 narrow window #7 (1984 retain rhythm)","material":{"code":"SHO-SUGI","f_star":"F4","fire_rating_min":30,"name":"焼杉サイディング","thickness_mm":18},"rotation":0.0,"shape":"box","w":900,"x":56000,"y":50800,"z":900},{"cls":"IFCWINDOW","d":900,"descr":"1984 妻面 narrow window 900×1500 retain。triple-glazed argon Uw=0.8 + SUS316 sash。海風塩害対応の SUS316 必須。","floor":1,"h":1500,"id":"e21","label":"校舎東面 narrow window #1 (1984 retain)","material":{"code":"GLASS","f_star":"F4","name":"ペアガラス","thickness_mm":24,"u_value_w_m2k":1.5},"rotation":0.0,"shape":"box","w":220,"x":59800,"y":32500,"z":900},{"cls":"IFCWINDOW","d":900,"descr":"1984 妻面 narrow window 900×1500 retain。triple-glazed argon Uw=0.8 + SUS316 sash。海風塩害対応の SUS316 必須。","floor":1,"h":1500,"id":"e22","label":"校舎東面 narrow window #2 (1984 retain)","material":{"code":"GLASS","f_star":"F4","name":"ペアガラス","thickness_mm":24,"u_value_w_m2k":1.5},"rotation":0.0,"shape":"box","w":220,"x":59800,"y":37000,"z":900},{"cls":"IFCWINDOW","d":900,"descr":"1984 妻面 narrow window 900×1500 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invoke)、塩害対応 SUS316 sash。Triple-glazed argon Uw=0.9 + 中間層に薄青フィルム (積丹ブルー invoke)。engawa terrace への full-height opening。","floor":1,"h":2400,"id":"e28","label":"南面 oceanview 大開口 #1 (新設、神威岬 axis)","material":{"code":"GLASS","f_star":"F4","name":"Low-E ペアガラス","thickness_mm":24,"u_value_w_m2k":1.5},"rotation":0.0,"shape":"box","w":5000,"x":31500,"y":30000,"z":1000},{"cls":"IFCWINDOW","d":220,"descr":"新設 大開口 5m × 2.4m oceanview、神威岬 view axis fully exploit。青いガラスファサード (積丹ブルー invoke)、塩害対応 SUS316 sash。Triple-glazed argon Uw=0.9 + 中間層に薄青フィルム (積丹ブルー invoke)。engawa terrace への full-height opening。","floor":1,"h":2400,"id":"e29","label":"南面 oceanview 大開口 #2 (新設、神威岬 axis)","material":{"code":"GLASS","f_star":"F4","name":"Low-E ペアガラス","thickness_mm":24,"u_value_w_m2k":1.5},"rotation":0.0,"shape":"box","w":5000,"x":37300,"y":30000,"z":1000},{"cls":"IFCWINDOW","d":220,"descr":"新設 大開口 5m × 2.4m oceanview、神威岬 view axis fully exploit。青いガラスファサード (積丹ブルー invoke)、塩害対応 SUS316 sash。Triple-glazed argon Uw=0.9 + 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自洗。","floor":1,"h":35,"id":"e271","label":"PV panel #44 (校舎屋根, row 6 col 4)","rotation":0.0,"shape":"box","w":1680,"x":43300,"y":37000,"z":3850},{"cls":"IFCBUILDINGELEMENTPROXY","d":980,"descr":"立平 SUS316 に integrated 単結晶 PV panel 1700×1000mm 370W。総計 PV 18kW (48 panels × 370W ≈ 18kW)。雪荷重 1.5 kN/m² 対応 frame、塩害強い → SUS316 mounting。勾配 1/12 snow-slide で冬期 PV 自洗。","floor":1,"h":35,"id":"e272","label":"PV panel #45 (校舎屋根, row 6 col 5)","rotation":0.0,"shape":"box","w":1680,"x":45000,"y":37000,"z":3850},{"cls":"IFCBUILDINGELEMENTPROXY","d":980,"descr":"立平 SUS316 に integrated 単結晶 PV panel 1700×1000mm 370W。総計 PV 18kW (48 panels × 370W ≈ 18kW)。雪荷重 1.5 kN/m² 対応 frame、塩害強い → SUS316 mounting。勾配 1/12 snow-slide で冬期 PV 自洗。","floor":1,"h":35,"id":"e273","label":"PV panel #46 (校舎屋根, row 6 col 6)","rotation":0.0,"shape":"box","w":1680,"x":46700,"y":37000,"z":3850},{"cls":"IFCBUILDINGELEMENTPROXY","d":980,"descr":"立平 SUS316 に integrated 単結晶 PV panel 1700×1000mm 370W。総計 PV 18kW (48 panels × 370W ≈ 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