IFC building model
Schema: "IFC4"
Description: "ViewDefinition [CoordinationView_V2.0]"
File name: "nah-kitakaruizawa-real-listing.ifc"
Time stamp: "2026-05-09T00:00:00"
Author: "BIM.HOUSE"
Organization: "Enabler Inc."
Preprocessor: "IFC4 Add2 — Real Listing AI Design"
Originating system: "BIM.HOUSE"
Application: "BIM.HOUSE" version "1.0" identifier "bim.house"

People and organizations
  Person (none given)
  Owner history of Person (none given) | application "BIM.HOUSE" version "1.0" identifier "bim.house" | change ADDED | created 1714000000 (2024-04-24T23:06:40Z)

Units
  LENGTHUNIT: MILLI METRE
  AREAUNIT: SQUARE_METRE
  VOLUMEUNIT: CUBIC_METRE
  PLANEANGLEUNIT: RADIAN

Spatial structure
IFCPROJECT "NOT A HOTEL KITAKARUIZAWA / IRORI(参考モデル・AI推定)" | long name "BIM.HOUSE" | phase "2-story S造 + RC造(地上2階)・フラット屋根 + 南面フルハイトガラス + 森に張り出すカンチレバーテラス + 囲炉裏。設計: NOT A HOTEL ARCHITECTS / 前田建設工業(主担当 須磨哲生)・2024 竣工。意匠・構造詳細は AI 推定再構成。, 249.35sqm proposed for 4279sqm lot at 群馬県吾妻郡長野原町 北軽井沢(公開情報ベース)"
  IFCSITE "群馬県吾妻郡長野原町 北軽井沢(公開情報ベース)" | object type "Real listing site, 4279sqm" | elevation above sea level 0.
    IFCBUILDING "NOT A HOTEL KITAKARUIZAWA / IRORI(参考モデル・AI推定) (Proposed)" | object type "2F S造 + RC造(地上2階)・フラット屋根 + 南面フルハイトガラス + 森に張り出すカンチレバーテラス + 囲炉裏。設計: NOT A HOTEL ARCHITECTS / 前田建設工業(主担当 須磨哲生)・2024 竣工。意匠・構造詳細は AI 推定再構成。 249.35sqm" | reference height above sea level 0. | terrain above sea level 0.
      IFCBUILDINGSTOREY "GF" | elevation 0.
        contains 82 elements
          1 x IFCSITE | names: "敷地 62.0 x 69.0m / 約4,279㎡ (北軽井沢 落葉松林・公開情報ベース)" | material: "Generic" | property sets: Pset_BuildingElementCommon, BaseQuantities
          4 x IFCSLAB | FLOOR | names: "RC ベタ基礎 t=400 (鉄骨+RC 混構造)", "2F 床スラブ (上階を少しセットバック=リズム)", "カンチレバーテラス (森に張り出す浮遊デッキ)" (+1 more) | material: "Reinforced Concrete"; "Generic" | property sets: Pset_SlabCommon, BaseQuantities
          9 x IFCWALL | names: "1F 北壁 (カラマツ外装)", "1F 西壁 (カラマツ外装)", "1F 東壁 (カラマツ外装)" (+6 more) | material: "Generic" | property sets: Pset_WallCommon, BaseQuantities
          3 x IFCWINDOW | names: "1F 南面 フルハイトガラス (森に開く大開口)", "2F 南面 ガラス (寝室から林冠を望む)", "越屋根トップライト (吹抜上の採光 / clerestory)" | material: "Generic"; "Foliage" | property sets: Pset_WindowCommon, BaseQuantities
          29 x IFCBUILDINGELEMENTPROXY | names: "1F 方立 V1", "1F 方立 V2", "1F 方立 V3" (+26 more) | material: "Structural Steel"; "Generic"; "Tree Trunk"; "Foliage" | property sets: Pset_BuildingElementCommon, BaseQuantities
          1 x IFCDOOR | names: "玄関ドア (木製)" | material: "Solid Wood" | property sets: Pset_DoorCommon, BaseQuantities
          12 x IFCCOLUMN | COLUMN | names: "鉄骨柱 □-200 (S造フレーム)", "鉄骨柱 □-200 (2F)" | material: "Structural Steel" | property sets: Pset_ColumnCommon, BaseQuantities
          14 x IFCSTAIR | STRAIGHT_RUN_STAIR | names: "階段 段1", "階段 段2", "階段 段3" (+11 more) | material: "Solid Wood" | property sets: Pset_StairCommon, BaseQuantities
          3 x IFCRAILING | HANDRAIL | names: "テラス ガラス手摺 (南)", "テラス ガラス手摺 (西)", "テラス ガラス手摺 (東)" | material: "Generic" | property sets: Pset_RailingCommon, BaseQuantities
          3 x IFCROOF | FLAT_ROOF | names: "フラット屋根 (濃色ガルバ折板・低い水平ライン)", "屋根 緑化部 (grassy roof)", "太陽光パネル PV 4.7kWp (屋上)" | material: "Generic" | property sets: Pset_RoofCommon, BaseQuantities
          3 x IFCSPACE | INTERNAL | names: "リビング吹抜 (囲炉裏上の大空間 / double-height void)", "ピアノ室 (音楽コーナー / grand piano)", "雨水タンク 6500L (外構)" | material: "Generic" | property sets: Pset_SpaceCommon, BaseQuantities

Property sets
  Pset_BuildingElementCommon | properties | on 1 object (1 IFCSITE)
    IsExternal = FALSE (IFCBOOLEAN)
    Reference = "敷地 62.0 x 69.0m / 約4,279㎡ (北軽井沢 落葉松林・公開情報ベース)" (IFCLABEL)
  Pset_BuildingElementCommon | properties | on 1 object (1 IFCBUILDINGELEMENTPROXY)
    IsExternal = FALSE (IFCBOOLEAN)
    Reference = "1F 方立 V1" (IFCLABEL)
  Pset_BuildingElementCommon | properties | on 1 object (1 IFCBUILDINGELEMENTPROXY)
    IsExternal = FALSE (IFCBOOLEAN)
    Reference = "1F 方立 V2" (IFCLABEL)
  Pset_BuildingElementCommon | properties | on 1 object (1 IFCBUILDINGELEMENTPROXY)
    IsExternal = FALSE (IFCBOOLEAN)
    Reference = "1F 方立 V3" (IFCLABEL)
  Pset_BuildingElementCommon | properties | on 1 object (1 IFCBUILDINGELEMENTPROXY)
    IsExternal = FALSE (IFCBOOLEAN)
    Reference = "1F 南面 まぐさ" (IFCLABEL)
  Pset_BuildingElementCommon | properties | on 1 object (1 IFCBUILDINGELEMENTPROXY)
    IsExternal = FALSE (IFCBOOLEAN)
    Reference = "囲炉裏 (沈み込みの炉・ソファ囲み)" (IFCLABEL)
  Pset_BuildingElementCommon | properties | on 1 object (1 IFCBUILDINGELEMENTPROXY)
    IsExternal = FALSE (IFCBOOLEAN)
    Reference = "囲炉裏 煙突 (炉から屋根まで)" (IFCLABEL)
  Pset_BuildingElementCommon | properties | on 1 object (1 IFCBUILDINGELEMENTPROXY)
    IsExternal = FALSE (IFCBOOLEAN)
    Reference = "2F 方立 V1" (IFCLABEL)
  Pset_BuildingElementCommon: 22 more contents on 22 objects not shown
  BaseQuantities | quantities | on 14 objects (14 IFCSTAIR)
    NetVolume = 0.0541 [CUBIC_METRE]
  BaseQuantities | quantities | on 12 objects (12 IFCCOLUMN)
    Length = 3.0000 [MILLI METRE]
    NetVolume = 0.1200 [CUBIC_METRE]
  BaseQuantities | quantities | on 3 objects (3 IFCBUILDINGELEMENTPROXY)
    NetVolume = 0.0121 [CUBIC_METRE]
  BaseQuantities | quantities | on 3 objects (3 IFCBUILDINGELEMENTPROXY)
    NetVolume = 0.0109 [CUBIC_METRE]
  BaseQuantities | quantities | on 2 objects (2 IFCWALL)
    Height = 3.0000 [MILLI METRE]
    Length = 0.1800 [MILLI METRE]
    NetSideArea = 0.5400 [SQUARE_METRE]
    NetVolume = 5.9400 [CUBIC_METRE]
  BaseQuantities | quantities | on 2 objects (2 IFCWALL)
    Height = 3.0000 [MILLI METRE]
    Length = 0.1800 [MILLI METRE]
    NetSideArea = 0.5400 [SQUARE_METRE]
    NetVolume = 5.4000 [CUBIC_METRE]
  BaseQuantities | quantities | on 2 objects (2 IFCWALL)
    Height = 3.0000 [MILLI METRE]
    Length = 0.1500 [MILLI METRE]
    NetSideArea = 0.4500 [SQUARE_METRE]
    NetVolume = 3.6000 [CUBIC_METRE]
  BaseQuantities | quantities | on 2 objects (2 IFCRAILING)
    NetVolume = 0.1672 [CUBIC_METRE]
  BaseQuantities: 24 more contents on 25 objects not shown
  Pset_SlabCommon | properties | on 1 object (1 IFCSLAB)
    IsExternal = FALSE (IFCBOOLEAN)
    Reference = "RC ベタ基礎 t=400 (鉄骨+RC 混構造)" (IFCLABEL)
  Pset_SlabCommon | properties | on 1 object (1 IFCSLAB)
    IsExternal = FALSE (IFCBOOLEAN)
    Reference = "2F 床スラブ (上階を少しセットバック=リズム)" (IFCLABEL)
  Pset_SlabCommon | properties | on 1 object (1 IFCSLAB)
    IsExternal = FALSE (IFCBOOLEAN)
    Reference = "カンチレバーテラス (森に張り出す浮遊デッキ)" (IFCLABEL)
  Pset_SlabCommon | properties | on 1 object (1 IFCSLAB)
    IsExternal = FALSE (IFCBOOLEAN)
    Reference = "グランドウッドデッキ (森へ続く)" (IFCLABEL)
  Pset_WallCommon | properties | on 1 object (1 IFCWALL)
    FireRating = "30" (IFCLABEL)
    IsExternal = TRUE (IFCBOOLEAN)
    LoadBearing = FALSE (IFCBOOLEAN)
    Reference = "1F 北壁 (カラマツ外装)" (IFCLABEL)
  Pset_WallCommon | properties | on 1 object (1 IFCWALL)
    FireRating = "30" (IFCLABEL)
    IsExternal = TRUE (IFCBOOLEAN)
    LoadBearing = FALSE (IFCBOOLEAN)
    Reference = "1F 西壁 (カラマツ外装)" (IFCLABEL)
  Pset_WallCommon | properties | on 1 object (1 IFCWALL)
    FireRating = "30" (IFCLABEL)
    IsExternal = TRUE (IFCBOOLEAN)
    LoadBearing = FALSE (IFCBOOLEAN)
    Reference = "1F 東壁 (カラマツ外装)" (IFCLABEL)
  Pset_WallCommon | properties | on 1 object (1 IFCWALL)
    FireRating = "30" (IFCLABEL)
    IsExternal = TRUE (IFCBOOLEAN)
    LoadBearing = FALSE (IFCBOOLEAN)
    Reference = "水回りコア (浴室+キッチン+設備)" (IFCLABEL)
  Pset_WallCommon | properties | on 1 object (1 IFCWALL)
    FireRating = "30" (IFCLABEL)
    IsExternal = TRUE (IFCBOOLEAN)
    LoadBearing = FALSE (IFCBOOLEAN)
    Reference = "2F 北壁 (カラマツ外装)" (IFCLABEL)
  Pset_WallCommon | properties | on 1 object (1 IFCWALL)
    FireRating = "30" (IFCLABEL)
    IsExternal = TRUE (IFCBOOLEAN)
    LoadBearing = FALSE (IFCBOOLEAN)
    Reference = "2F 西壁 (カラマツ外装)" (IFCLABEL)
  Pset_WallCommon | properties | on 1 object (1 IFCWALL)
    FireRating = "30" (IFCLABEL)
    IsExternal = TRUE (IFCBOOLEAN)
    LoadBearing = FALSE (IFCBOOLEAN)
    Reference = "2F 東壁 (カラマツ外装)" (IFCLABEL)
  Pset_WallCommon | properties | on 1 object (1 IFCWALL)
    FireRating = "30" (IFCLABEL)
    IsExternal = TRUE (IFCBOOLEAN)
    LoadBearing = FALSE (IFCBOOLEAN)
    Reference = "寝室間仕切り #1" (IFCLABEL)
  Pset_WallCommon: 1 more content on 1 objects not shown
  Pset_WindowCommon | properties | on 1 object (1 IFCWINDOW)
    GlazingAreaFraction = 0.85 (IFCREAL)
    IsExternal = TRUE (IFCBOOLEAN)
    Reference = "1F 南面 フルハイトガラス (森に開く大開口)" (IFCLABEL)
    ThermalTransmittance = 2.1 (IFCREAL)
  Pset_WindowCommon | properties | on 1 object (1 IFCWINDOW)
    GlazingAreaFraction = 0.85 (IFCREAL)
    IsExternal = TRUE (IFCBOOLEAN)
    Reference = "2F 南面 ガラス (寝室から林冠を望む)" (IFCLABEL)
    ThermalTransmittance = 2.1 (IFCREAL)
  Pset_WindowCommon | properties | on 1 object (1 IFCWINDOW)
    GlazingAreaFraction = 0.85 (IFCREAL)
    IsExternal = TRUE (IFCBOOLEAN)
    Reference = "越屋根トップライト (吹抜上の採光 / clerestory)" (IFCLABEL)
    ThermalTransmittance = 2.1 (IFCREAL)
  Pset_DoorCommon | properties | on 1 object (1 IFCDOOR)
    AcousticRating = "Rw 35dB" (IFCLABEL)
    FireRating = "30" (IFCLABEL)
    IsExternal = FALSE (IFCBOOLEAN)
    Reference = "玄関ドア (木製)" (IFCLABEL)
    ThermalTransmittance = 1.8 (IFCREAL)
  Pset_ColumnCommon | properties | on 6 objects (6 IFCCOLUMN)
    IsExternal = FALSE (IFCBOOLEAN)
    Reference = "鉄骨柱 □-200 (S造フレーム)" (IFCLABEL)
  Pset_ColumnCommon | properties | on 6 objects (6 IFCCOLUMN)
    IsExternal = FALSE (IFCBOOLEAN)
    Reference = "鉄骨柱 □-200 (2F)" (IFCLABEL)
  Pset_StairCommon | properties | on 1 object (1 IFCSTAIR)
    IsExternal = FALSE (IFCBOOLEAN)
    Reference = "階段 段1" (IFCLABEL)
  Pset_StairCommon | properties | on 1 object (1 IFCSTAIR)
    IsExternal = FALSE (IFCBOOLEAN)
    Reference = "階段 段2" (IFCLABEL)
  Pset_StairCommon | properties | on 1 object (1 IFCSTAIR)
    IsExternal = FALSE (IFCBOOLEAN)
    Reference = "階段 段3" (IFCLABEL)
  Pset_StairCommon | properties | on 1 object (1 IFCSTAIR)
    IsExternal = FALSE (IFCBOOLEAN)
    Reference = "階段 段4" (IFCLABEL)
  Pset_StairCommon | properties | on 1 object (1 IFCSTAIR)
    IsExternal = FALSE (IFCBOOLEAN)
    Reference = "階段 段5" (IFCLABEL)
  Pset_StairCommon | properties | on 1 object (1 IFCSTAIR)
    IsExternal = FALSE (IFCBOOLEAN)
    Reference = "階段 段6" (IFCLABEL)
  Pset_StairCommon | properties | on 1 object (1 IFCSTAIR)
    IsExternal = FALSE (IFCBOOLEAN)
    Reference = "階段 段7" (IFCLABEL)
  Pset_StairCommon | properties | on 1 object (1 IFCSTAIR)
    IsExternal = FALSE (IFCBOOLEAN)
    Reference = "階段 段8" (IFCLABEL)
  Pset_StairCommon: 6 more contents on 6 objects not shown
  Pset_RailingCommon | properties | on 1 object (1 IFCRAILING)
    IsExternal = FALSE (IFCBOOLEAN)
    Reference = "テラス ガラス手摺 (南)" (IFCLABEL)
  Pset_RailingCommon | properties | on 1 object (1 IFCRAILING)
    IsExternal = FALSE (IFCBOOLEAN)
    Reference = "テラス ガラス手摺 (西)" (IFCLABEL)
  Pset_RailingCommon | properties | on 1 object (1 IFCRAILING)
    IsExternal = FALSE (IFCBOOLEAN)
    Reference = "テラス ガラス手摺 (東)" (IFCLABEL)
  Pset_RoofCommon | properties | on 1 object (1 IFCROOF)
    IsExternal = TRUE (IFCBOOLEAN)
    ProjectedArea = 181.72 (IFCAREAMEASURE) [SQUARE_METRE]
    Reference = "フラット屋根 (濃色ガルバ折板・低い水平ライン)" (IFCLABEL)
  Pset_RoofCommon | properties | on 1 object (1 IFCROOF)
    IsExternal = TRUE (IFCBOOLEAN)
    ProjectedArea = 30.00 (IFCAREAMEASURE) [SQUARE_METRE]
    Reference = "屋根 緑化部 (grassy roof)" (IFCLABEL)
  Pset_RoofCommon | properties | on 1 object (1 IFCROOF)
    IsExternal = TRUE (IFCBOOLEAN)
    ProjectedArea = 30.00 (IFCAREAMEASURE) [SQUARE_METRE]
    Reference = "太陽光パネル PV 4.7kWp (屋上)" (IFCLABEL)
  Pset_SpaceCommon | properties | on 1 object (1 IFCSPACE)
    GrossPlannedArea = 7.84 (IFCAREAMEASURE) [SQUARE_METRE]
    IsExternal = FALSE (IFCBOOLEAN)
    PubliclyAccessible = FALSE (IFCBOOLEAN)
    Reference = "リビング吹抜 (囲炉裏上の大空間 / double-height void)" (IFCLABEL)
  Pset_SpaceCommon | properties | on 1 object (1 IFCSPACE)
    GrossPlannedArea = 6.24 (IFCAREAMEASURE) [SQUARE_METRE]
    IsExternal = FALSE (IFCBOOLEAN)
    PubliclyAccessible = FALSE (IFCBOOLEAN)
    Reference = "ピアノ室 (音楽コーナー / grand piano)" (IFCLABEL)
  Pset_SpaceCommon | properties | on 1 object (1 IFCSPACE)
    GrossPlannedArea = 1.44 (IFCAREAMEASURE) [SQUARE_METRE]
    IsExternal = FALSE (IFCBOOLEAN)
    PubliclyAccessible = FALSE (IFCBOOLEAN)
    Reference = "雨水タンク 6500L (外構)" (IFCLABEL)