{
  "kind": "bimfit_reference_building_manifest",
  "schemaVersion": 1,
  "id": "klassiqua-office-1970",
  "name": {
    "ko": "Klassiqua 1970 오피스",
    "en": "Klassiqua Office · 1970"
  },
  "summary": {
    "ko": "독일 오피스 통계를 바탕으로 만든 1970년 기준 연구용 원형. 실제 준공 건물이 아닌 4개 층·48개 공간의 에너지 비교 모델입니다.",
    "en": "A synthetic 1970 office archetype derived from German building statistics: four storeys and 48 spaces for energy comparison, not a constructed building."
  },
  "useType": "office_building",
  "licence": "CC BY 4.0",
  "attribution": "Verena Dannapfel, Moritz Müller, Rita Streblow, Dirk Müller, Lisa Karber and Alexander Hickertz; Klassiqua Office Building Archetypes, July 2026, Zenodo 21727160 (CC BY 4.0). Extracted and adapted by BIMFIT.",
  "sourceUrl": "https://zenodo.org/records/21727160",
  "documentation": [
    {
      "fileName": "2026-07_Klassiqua_Buero_Archetypen_Dokumentation.pdf",
      "url": "https://zenodo.org/api/records/21727160/files/2026-07_Klassiqua_Buero_Archetypen_Dokumentation.pdf/content",
      "sha256": "116268af3109e568616acf4aa83b61e81905ee05a8590f249166be0746afa659",
      "licence": "CC BY 4.0",
      "note": "July source documentation: archetype geometry table 2.1, combined envelope U-values table 3.1, window/door properties table 3.4, and technical scenario T1_1970 table 3.5. Source design inputs, not measured operation."
    }
  ],
  "generatedAt": "2026-09-07T00:00:00.000Z",
  "sourceFiles": [
    {
      "role": "architectural",
      "fileName": "2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc",
      "sha256": "4d77774850b817d8ed9534e19886a1ff7fbcbe734a8f3138eebf2751e4c879fb",
      "byteLength": 1471687,
      "units": {
        "lengthToMetres": 1,
        "areaToSquareMetres": 1,
        "lengthUnitName": "METRE",
        "areaUnitName": "SQUARE_METRE",
        "lengthAssumed": false,
        "areaAssumed": false
      }
    }
  ],
  "counts": {
    "storeys": 4,
    "spacesTotal": 48,
    "spacesFloor": 48,
    "assemblies": 15,
    "externalElements": 0,
    "exteriorWalls": 16,
    "windows": 167,
    "exteriorCurtainWalls": 0,
    "exteriorDoors": 1,
    "externalElementsNote": "235 external physical space boundaries exist and none resolved: swept curve is not a readable polyline. The classifier reads IfcSurfaceOfLinearExtrusion (Revit); this file's boundaries are another surface type. Envelope areas here come from stated wall NetSideArea or solid geometry. Exterior wall membership uses the boundary's element reference and PHYSICAL/EXTERNAL flags directly; it does not require a readable boundary surface or consume its area."
  },
  "areas": {
    "totalFloorAreaSqm": 1507.02,
    "floorAreaNote": "48 spaces with no area quantity use measured plan unions of their solid or FootPrint geometry; quantities retain priority where present. See spaces.json floorAreaSource per row.",
    "areaPlanTotalSqm": 1507.02,
    "exteriorWallNetSqm": 832.72,
    "opaqueFacade": {
      "fullFaceSqm": 881.33,
      "conditionedFaceSqm": 832.72,
      "excludedFaceSqm": 48.62,
      "fromHeightM": 0,
      "toHeightM": 14,
      "elements": [
        {
          "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#31165",
          "fullFaceSqm": 69.02,
          "conditionedFaceSqm": 69.02
        },
        {
          "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#31849",
          "fullFaceSqm": 36.77,
          "conditionedFaceSqm": 36.77
        },
        {
          "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#32036",
          "fullFaceSqm": 69.52,
          "conditionedFaceSqm": 69.52
        },
        {
          "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#32140",
          "fullFaceSqm": 36.81,
          "conditionedFaceSqm": 36.81
        },
        {
          "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#80962",
          "fullFaceSqm": 79.8,
          "conditionedFaceSqm": 63.81
        },
        {
          "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#81095",
          "fullFaceSqm": 42.15,
          "conditionedFaceSqm": 33.84
        },
        {
          "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#81174",
          "fullFaceSqm": 79.8,
          "conditionedFaceSqm": 63.81
        },
        {
          "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#81325",
          "fullFaceSqm": 42.15,
          "conditionedFaceSqm": 33.84
        },
        {
          "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#107804",
          "fullFaceSqm": 69.52,
          "conditionedFaceSqm": 69.52
        },
        {
          "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#107969",
          "fullFaceSqm": 69.52,
          "conditionedFaceSqm": 69.52
        },
        {
          "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#108108",
          "fullFaceSqm": 36.81,
          "conditionedFaceSqm": 36.81
        },
        {
          "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#108193",
          "fullFaceSqm": 36.81,
          "conditionedFaceSqm": 36.81
        },
        {
          "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#108278",
          "fullFaceSqm": 69.52,
          "conditionedFaceSqm": 69.52
        },
        {
          "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#108417",
          "fullFaceSqm": 69.52,
          "conditionedFaceSqm": 69.52
        },
        {
          "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#108556",
          "fullFaceSqm": 36.83,
          "conditionedFaceSqm": 36.83
        },
        {
          "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#108641",
          "fullFaceSqm": 36.81,
          "conditionedFaceSqm": 36.81
        }
      ]
    },
    "exteriorWallNote": "Opaque envelope follows the 16 source AluminiumCladding_1970 solids, including floor-edge bands omitted by the masonry wall solids. Voided vertical faces are clipped from the lowest room floor to the highest room ceiling (0–14 m). The 16 PHYSICAL/EXTERNAL calcium-silicate walls remain the opening-host set. Upper parapet faces are recorded separately and excluded from the conditioned envelope; boundary areas are not used.",
    "exteriorWallBelowRoofSqm": 832.72,
    "exteriorWallAboveRoofSqm": 0,
    "exteriorWallByOrientationSqm": {
      "N": 0,
      "NE": 272.36,
      "E": 0,
      "SE": 144.25,
      "S": 0,
      "SW": 271.85,
      "W": 0,
      "NW": 144.26
    },
    "glazingApertureSqm": 379.92,
    "glazingByOrientationSqm": {
      "N": 0,
      "NE": 127.4,
      "E": 0,
      "SE": 63.7,
      "S": 0,
      "SW": 125.13,
      "W": 0,
      "NW": 63.7
    },
    "exteriorDoorSqm": 2.78,
    "exteriorDoorByOrientationSqm": {
      "N": 0,
      "NE": 0,
      "E": 0,
      "SE": 0,
      "S": 0,
      "SW": 2.78,
      "W": 0,
      "NW": 0
    },
    "openingsNote": "Glazing aperture 379.92 m² = 167 IfcWindow at OverallWidth × OverallHeight (379.92 m²). Exterior doors are separate — a door is aperture, not glazing: 1 IfcDoor, 2.78 m², OverallWidth × OverallHeight. Host wall by IfcRelFillsElement → IfcOpeningElement → IfcRelVoidsElement (168 openings). Sector is the host wall's, from the same orientation pass as the wall split. Envelope by a both-sides probe against the conditioned IfcSpace solids (48 of 48 have geometry): 0 curtain wall(s) with a room on both sides excluded as interior screens (0 m²); 16 \"AluminiumCladding_1970\" excluded by name (aperture area not measured): Opaque mineral-wool and ventilated aluminium cladding assembly, not glazing; source material layer set CurtainWall_Aluminium_AirGap_Insulation_74mm_Exterior_1970; 48 openings hosted in walls outside the exterior set; nothing unresolved. IsExternal is reported per row and never used as a filter — it means \"not an interior partition\" to an authoring tool, never \"bounds conditioned space against outdoor air\". It marks 0 door(s) here; 0 confirm against an exterior wall. Rows in openings.json.",
    "conditionedVolumeGrossM3": 5274.63,
    "roomVolumeNetM3": 5048.52,
    "volumeNote": "Gross from 48 spaces (floor area × storey height; voids, and rooms taller than their storey with no void above, as their own solids); net from 48 spaces (48 from own solid). A closed tessellation's signed volume is exact.",
    "roofProjectedSqm": 818.89,
    "roofProjectedByFamilySqm": {
      "FlatRoofSlab_ReinforcedConcrete_200mm": 420.93,
      "Roofing_Insulation_BituminousSheeting_Gravel": 397.96
    },
    "roofElementSumSqm": 818.89,
    "roofUnionSqm": 420.93,
    "roofSurfaceSqm": 818.89,
    "roofSurfaceByFamilySqm": {
      "FlatRoofSlab_ReinforcedConcrete_200mm": 420.93,
      "Roofing_Insulation_BituminousSheeting_Gravel": 397.96
    },
    "roofNote": "Plan shadow per element (union of its projected triangles, ifc-plan-shadow.mjs): 2 elements — 1 IfcSlabType.PredefinedType=ROOF, 1 declared roof covering name. roofProjectedSqm sums 2 roof type(s), each as the union of its elements; the elements themselves sum to 818.89 m² (elements of one type overlapping in plan) and all types together cover 420.93 m² (one type above another). surfaceSqm is each element's true one-sheet surface (Σ area of its upward faces; ÷ 2 where a surface model has no downward face and both sheets are wound upward; ÷ the coverage where its parts cover its shadow more than once, as stacked layer solids do — surfaceBasis says which), summing to 818.89 m²; a flat deck's surface equals its shadow, a pitched roof's exceeds it. The structural flat-roof slab and overlying roofing assembly are separate IFC elements. The sky-visible plane union supplies the single roof area; layer sums must not be priced twice.",
    "groundSlabSqm": 427.36,
    "groundSlabSumSqm": 427.36,
    "groundPerimeterM": 87.11,
    "groundHolePerimeterM": 0,
    "groundNote": "IfcSlab (not ROOF or LANDING) on storeys at or below 00 (0 m): 1 candidate(s). A slab counts as ground envelope when a conditioned space stands on it — its shadow overlaps a conditioned ground-storey space footprint (12 of 12 such spaces have one: 12 solid) or an IfcRelSpaceBoundary names it as bounding one. IsExternal is not consulted. 1 counted, 0 excluded. groundSlabSqm is the union of the counted shadows (they sum to 427.36 m²; stacked build-up layers count once); groundPerimeterM is the outline's outer ring."
  },
  "assemblies": [
    {
      "id": "assembly-interiorwall-office-drywall-125mm",
      "name": "InteriorWall_Office_DryWall_125mm",
      "totalThicknessM": 0.125,
      "layers": [
        {
          "name": "GypsumBoard_Drywall_12.5mm",
          "thicknessM": 0.0125,
          "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#7030",
          "sourceThermalProperties": {
            "conductivityWPerMK": 0.21,
            "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#6897"
          }
        },
        {
          "name": "GypsumBoard_Drywall_12.5mm",
          "thicknessM": 0.0125,
          "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#7031",
          "sourceThermalProperties": {
            "conductivityWPerMK": 0.21,
            "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#6897"
          }
        },
        {
          "name": "Insulation_MineralWool_InDryWall_Lambda0.040",
          "thicknessM": 0.075,
          "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#6776",
          "sourceThermalProperties": {
            "conductivityWPerMK": 0.04,
            "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#6889"
          }
        },
        {
          "name": "GypsumBoard_Drywall_12.5mm",
          "thicknessM": 0.0125,
          "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#7032",
          "sourceThermalProperties": {
            "conductivityWPerMK": 0.21,
            "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#6897"
          }
        },
        {
          "name": "GypsumBoard_Drywall_12.5mm",
          "thicknessM": 0.0125,
          "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#6777",
          "sourceThermalProperties": {
            "conductivityWPerMK": 0.21,
            "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#6897"
          }
        }
      ],
      "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#6774"
    },
    {
      "id": "assembly-covering-insulation-xps-74mm-slabexterior",
      "name": "Covering_Insulation_XPS_74mm_SlabExterior",
      "totalThicknessM": 0.074,
      "layers": [
        {
          "name": "Insulation_XPS_Lambda0.045_1970",
          "thicknessM": 0.074,
          "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#14367",
          "sourceThermalProperties": {
            "conductivityWPerMK": 0.045,
            "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#85253"
          }
        }
      ],
      "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#14368"
    },
    {
      "id": "assembly-flooring-insulation-screedcement-carpet-95mm",
      "name": "Flooring_Insulation_ScreedCement_Carpet_95mm",
      "totalThicknessM": 0.095,
      "layers": [
        {
          "name": "ImpactSoundInsulation_EPS_Lambda0.040",
          "thicknessM": 0.03,
          "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#30576",
          "sourceThermalProperties": {
            "conductivityWPerMK": 0.04,
            "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#13466"
          }
        },
        {
          "name": "ScreedCement",
          "thicknessM": 0.06,
          "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#30577",
          "sourceThermalProperties": {
            "conductivityWPerMK": 1.4,
            "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#13474"
          }
        },
        {
          "name": "Carpet_NeedleFelt_5mm",
          "thicknessM": 0.005,
          "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#30578",
          "sourceThermalProperties": {
            "conductivityWPerMK": 0.06,
            "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#13462"
          }
        }
      ],
      "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#30426"
    },
    {
      "id": "assembly-curtainwall-aluminium-airgap-insulation-74mm-exterior-1970",
      "name": "CurtainWall_Aluminium_AirGap_Insulation_74mm_Exterior_1970",
      "totalThicknessM": 0.074,
      "layers": [
        {
          "name": "Insulation_MineralWool_Lambda0.045_1970",
          "thicknessM": 0.02,
          "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#31083",
          "sourceThermalProperties": {
            "conductivityWPerMK": 0.045,
            "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#3294"
          }
        },
        {
          "name": "VentilatedAluminiumCladding_54mm",
          "thicknessM": 0.054,
          "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#31084"
        }
      ],
      "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#31086"
    },
    {
      "id": "assembly-roofing-insulation-bituminioussheeting-gravel-165mm",
      "name": "Roofing_Insulation_BituminiousSheeting_Gravel_165mm",
      "totalThicknessM": 0.165,
      "layers": [
        {
          "name": "Insulation_XPS_Lambda0.045_1970",
          "thicknessM": 0.06,
          "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#80886",
          "sourceThermalProperties": {
            "conductivityWPerMK": 0.045,
            "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#85253"
          }
        },
        {
          "name": "BituminousSheeting",
          "thicknessM": 0.005,
          "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#80887",
          "sourceThermalProperties": {
            "conductivityWPerMK": 0.17,
            "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#14372"
          }
        },
        {
          "name": "Gravel",
          "thicknessM": 0.1,
          "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#80888",
          "sourceThermalProperties": {
            "conductivityWPerMK": 1.4,
            "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#14375"
          }
        }
      ],
      "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#80885"
    },
    {
      "id": "assembly-attica-insulation-aluminium-269mm",
      "name": "Attica_Insulation_Aluminium_269mm",
      "totalThicknessM": 0.269,
      "layers": [
        {
          "name": "Masonry_Silicate_Block_240mm",
          "thicknessM": 0.24,
          "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#92035",
          "sourceThermalProperties": {
            "conductivityWPerMK": 0.99,
            "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#3502"
          }
        },
        {
          "name": "Insulation_MineralWool_Lambda0.045_1970",
          "thicknessM": 0.02,
          "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#92989",
          "sourceThermalProperties": {
            "conductivityWPerMK": 0.045,
            "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#3294"
          }
        },
        {
          "name": "BituminousSheeting",
          "thicknessM": 0.005,
          "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#93094",
          "sourceThermalProperties": {
            "conductivityWPerMK": 0.17,
            "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#14372"
          }
        },
        {
          "name": "AluminumCladding_4mm",
          "thicknessM": 0.004,
          "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#93199",
          "sourceThermalProperties": {
            "conductivityWPerMK": 160,
            "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#3284"
          }
        }
      ],
      "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#92034"
    },
    {
      "id": "assembly-covering-aluminium-insulation-attica-29mm",
      "name": "Covering_Aluminium_Insulation_Attica_29mm",
      "totalThicknessM": 0.029,
      "layers": [
        {
          "name": "Insulation_MineralWool_Lambda0.045_1970",
          "thicknessM": 0.02,
          "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#93440",
          "sourceThermalProperties": {
            "conductivityWPerMK": 0.045,
            "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#3294"
          }
        },
        {
          "name": "BituminousSheeting",
          "thicknessM": 0.005,
          "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#93441",
          "sourceThermalProperties": {
            "conductivityWPerMK": 0.17,
            "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#14372"
          }
        },
        {
          "name": "AluminumCladding_4mm",
          "thicknessM": 0.004,
          "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#93561",
          "sourceThermalProperties": {
            "conductivityWPerMK": 160,
            "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#3284"
          }
        }
      ],
      "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#93439"
    },
    {
      "id": "assembly-covering-aluminium-attica-4mm",
      "name": "Covering_Aluminium_Attica_4mm",
      "totalThicknessM": 0.029,
      "layers": [
        {
          "name": "AluminumCladding_4mm",
          "thicknessM": 0.029,
          "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#93776",
          "sourceThermalProperties": {
            "conductivityWPerMK": 160,
            "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#3284"
          }
        }
      ],
      "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#93773"
    },
    {
      "id": "assembly-calcium-silicate-plaster-250mm",
      "name": "Calcium_Silicate_Plaster_250mm",
      "totalThicknessM": 0.25,
      "layers": [
        {
          "name": "Masonry_Silicate_Block_240mm",
          "thicknessM": 0.24,
          "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#114957",
          "sourceThermalProperties": {
            "conductivityWPerMK": 0.99,
            "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#3502"
          }
        },
        {
          "name": "Plaster_Interior_Lime_Gypsum",
          "thicknessM": 0.01,
          "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#114958",
          "sourceThermalProperties": {
            "conductivityWPerMK": 0.51,
            "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#114954"
          }
        }
      ],
      "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#114955"
    },
    {
      "id": "assembly-interiorwall-office-calciumsilicate-260mm",
      "name": "InteriorWall_Office_CalciumSilicate_260mm",
      "totalThicknessM": 0.26,
      "layers": [
        {
          "name": "Plaster_Interior_Lime_Gypsum",
          "thicknessM": 0.01,
          "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#114964",
          "sourceThermalProperties": {
            "conductivityWPerMK": 0.51,
            "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#114954"
          }
        },
        {
          "name": "Masonry_Silicate_Block_240mm",
          "thicknessM": 0.24,
          "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#114963",
          "sourceThermalProperties": {
            "conductivityWPerMK": 0.99,
            "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#3502"
          }
        },
        {
          "name": "Plaster_Interior_Lime_Gypsum",
          "thicknessM": 0.01,
          "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#114965",
          "sourceThermalProperties": {
            "conductivityWPerMK": 0.51,
            "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#114954"
          }
        }
      ],
      "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#114961"
    },
    {
      "id": "assembly-flooring-insulation-screedcement-tiles-95mm",
      "name": "Flooring_Insulation_ScreedCement_Tiles_95mm",
      "totalThicknessM": 0.095,
      "layers": [
        {
          "name": "ImpactSoundInsulation_EPS_Lambda0.040",
          "thicknessM": 0.03,
          "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#117303",
          "sourceThermalProperties": {
            "conductivityWPerMK": 0.04,
            "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#13466"
          }
        },
        {
          "name": "ScreedCement",
          "thicknessM": 0.055,
          "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#117304",
          "sourceThermalProperties": {
            "conductivityWPerMK": 1.4,
            "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#13474"
          }
        },
        {
          "name": "Tile_Ceramic",
          "thicknessM": 0.01,
          "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#117305",
          "sourceThermalProperties": {
            "conductivityWPerMK": 1.3,
            "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#117295"
          }
        }
      ],
      "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#117302"
    },
    {
      "id": "assembly-baseslab-reinforcedconcrete-300mm",
      "name": "Baseslab_ReinforcedConcrete_300mm",
      "totalThicknessM": 0.3,
      "layers": [
        {
          "name": "ReinforcedConcrete_Slabs",
          "thicknessM": 0.3,
          "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#126771",
          "sourceThermalProperties": {
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            "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#13432"
          }
        }
      ],
      "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#126769"
    },
    {
      "id": "assembly-slab-reinforcedconcrete-200mm",
      "name": "Slab_ReinforcedConcrete_200mm",
      "totalThicknessM": 0.2,
      "layers": [
        {
          "name": "ReinforcedConcrete_Slabs",
          "thicknessM": 0.2,
          "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#139205",
          "sourceThermalProperties": {
            "conductivityWPerMK": 2.3,
            "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#13432"
          }
        }
      ],
      "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#139206"
    },
    {
      "id": "assembly-stairlanding-reinforcedconcrete-200mm",
      "name": "StairLanding_ReinforcedConcrete_200mm",
      "totalThicknessM": 0.2,
      "layers": [
        {
          "name": "ReinforcedConcrete_Slabs",
          "thicknessM": 0.2,
          "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#139220",
          "sourceThermalProperties": {
            "conductivityWPerMK": 2.3,
            "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#13432"
          }
        }
      ],
      "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#139221"
    },
    {
      "id": "assembly-flatroofslab-reinforcedconcrete-200mm",
      "name": "FlatRoofSlab_ReinforcedConcrete_200mm",
      "totalThicknessM": 0.2,
      "layers": [
        {
          "name": "ReinforcedConcrete_Slabs",
          "thicknessM": 0.2,
          "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#139229",
          "sourceThermalProperties": {
            "conductivityWPerMK": 2.3,
            "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#13432"
          }
        }
      ],
      "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#139230"
    }
  ],
  "orientation": {
    "trueNorthDeg": -36.95,
    "northAssumed": false,
    "weakOutwardCount": 0,
    "offCardinalCount": 16,
    "offCardinalSqm": 832.72,
    "wallCount": 16,
    "note": "Azimuths are clockwise from north, where north is the model's -Z after web-ifc's Z-up to Y-up conversion. Outward face inferred by comparing each face's centroid with the building centre, which is correct for a convex plan and can be wrong at a re-entrant corner."
  },
  "site": {
    "declaredSiteName": "Office Typology",
    "declaredLatitudeDeg": 50.775,
    "declaredLongitudeDeg": 6.083333333333333,
    "locationIsAuthoringDefault": true,
    "locationNote": "The research archetype assigns Aachen and a true-north direction as simulation inputs. Its coordinates do not identify a constructed office. BIMFIT uses a separately disclosed Seoul climate comparison.",
    "statedTown": "Aachen (synthetic scenario)",
    "trueNorthStated": true
  },
  "storeys": [
    {
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      "name": "00",
      "elevationM": 0,
      "elevationSource": "ObjectPlacement",
      "floorToFloorHeightM": 3.55,
      "spaceCount": 12,
      "floorAreaSqm": 376.76,
      "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#1232"
    },
    {
      "id": "storey-01",
      "name": "01",
      "elevationM": 3.55,
      "elevationSource": "ObjectPlacement",
      "floorToFloorHeightM": 3.55,
      "spaceCount": 12,
      "floorAreaSqm": 376.76,
      "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#1249"
    },
    {
      "id": "storey-02",
      "name": "02",
      "elevationM": 7.1,
      "elevationSource": "ObjectPlacement",
      "floorToFloorHeightM": 3.55,
      "spaceCount": 12,
      "floorAreaSqm": 376.76,
      "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#56391"
    },
    {
      "id": "storey-03",
      "name": "03",
      "elevationM": 10.65,
      "elevationSource": "ObjectPlacement",
      "floorToFloorHeightM": 0,
      "spaceCount": 12,
      "floorAreaSqm": 376.76,
      "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#56413"
    }
  ],
  "spacesFile": "spaces.json",
  "roofs": [
    {
      "id": "roof-78802",
      "name": "FlatRoofSlab_ReinforcedConcrete_200mm",
      "family": "FlatRoofSlab_ReinforcedConcrete_200mm",
      "elementType": "IfcSlab",
      "predefinedType": "ROOF",
      "predefinedTypeSource": "type",
      "predefinedTypeRef": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#78877",
      "basis": "IfcSlabType.PredefinedType=ROOF",
      "storeyId": "storey-03",
      "projectedSqm": 420.93,
      "upFacingProjectedSqm": 420.93,
      "tiltDeg": 0,
      "surfaceSqm": 420.93,
      "surfaceBasis": "upward faces of a closed solid",
      "partOf": null,
      "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#78802"
    },
    {
      "id": "roof-80889",
      "name": "Roofing_Insulation_BituminousSheeting_Gravel",
      "family": "Roofing_Insulation_BituminousSheeting_Gravel",
      "elementType": "IfcCovering",
      "predefinedType": "FLOORING",
      "predefinedTypeSource": "type",
      "predefinedTypeRef": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#80881",
      "basis": "declared roof covering name",
      "storeyId": "storey-03",
      "projectedSqm": 397.96,
      "upFacingProjectedSqm": 397.96,
      "tiltDeg": 0,
      "surfaceSqm": 397.96,
      "surfaceBasis": "upward faces of a closed solid",
      "partOf": null,
      "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#80889"
    }
  ],
  "groundSlabs": [
    {
      "id": "slab-8531",
      "name": "BaseSlab_ReinforcedConcrete_300mm",
      "elementType": "IfcSlab",
      "predefinedType": "BASESLAB",
      "storeyId": "storey-00",
      "projectedSqm": 427.36,
      "countsAsGround": true,
      "evidence": "376.76 m² under 12 conditioned space footprint(s); bounds 12 conditioned space(s) per IfcRelSpaceBoundary",
      "excludedReason": null,
      "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#8531"
    }
  ],
  "openingsFile": "openings.json",
  "serviceLayers": [],
  "architecturalDetails": {
    "id": "details",
    "ko": "건축 상세",
    "en": "Architectural details",
    "file": "architectural-details.glb",
    "byteLength": 120560,
    "sha256": "c097c16da96fbf5b37b0b54bd7ef6e47c517abc8187779d5df24248f7971b818",
    "triangleCount": 2472,
    "placedTriangleCount": 2472,
    "triangleCountBasis": "triangleCount stores each instanced shape once; placedTriangleCount includes every placement",
    "groups": [
      "covering",
      "curtain-wall"
    ],
    "elements": 68,
    "distinctGeometries": 45,
    "instancedShapes": 0,
    "instancedPlacements": 0,
    "drawCalls": 5,
    "materials": 5,
    "sourceFiles": [
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        "role": "architectural",
        "fileName": "2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc",
        "sha256": "4d77774850b817d8ed9534e19886a1ff7fbcbe734a8f3138eebf2751e4c879fb",
        "types": [
          {
            "type": "IfcCovering",
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            "rendered": 52,
            "withoutRenderedMesh": 0
          },
          {
            "type": "IfcCurtainWall",
            "candidates": 16,
            "rendered": 16,
            "withoutRenderedMesh": 0
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        ]
      }
    ],
    "indexFile": "architectural-details-index.json",
    "indexSha256": "4d3e243d0a9b772fd73dca2cbf65a3573f5c38e45143c68c82ef7f5e0a051439",
    "appearance": "web-ifc tessellator RGBA, including possible default styles; no inferred finish textures. Metalness 0 and roughness 0.85 are renderer assumptions, not measured material properties.",
    "note": "Selected source IFC entity classes omitted from the core fabric layer. Original tessellated geometry and placements; repeated shapes use GPU instancing. Not a claim of complete architectural or fabrication detail. Existing services remain separate."
  },
  "model": {
    "file": "model.glb",
    "byteLength": 3005564,
    "triangleCount": 45644,
    "groups": [
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      "glazing",
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    ],
    "note": "Building fabric only: walls, slabs, roofs and openings. Furniture, fixtures, railings and the structural frame are not in this file."
  },
  "invalidDiagnostics": {
    "note": "No space-boundary strips resolved in this file; there is no sum to refute.",
    "rawSumSqm": 0,
    "rawSumByElementType": {}
  },
  "materialFabric": {
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    "triangleCount": 6908,
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    "drawCalls": 37,
    "bindings": [
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        "group": "slab",
        "sourceRole": "architectural",
        "status": "layer_set",
        "assemblyRef": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#126769",
        "materialRef": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#126769",
        "materialNames": [
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        ],
        "relationRef": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#126770",
        "basis": "type",
        "assemblyName": "Baseslab_ReinforcedConcrete_300mm",
        "representativeLayer": {
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          "thicknessM": 0.3,
          "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#126771",
          "sourceThermalProperties": {
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            "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#13432"
          }
        },
        "elements": 1
      },
      {
        "key": "slab__architectural_139221",
        "group": "slab",
        "sourceRole": "architectural",
        "status": "layer_set",
        "assemblyRef": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#139221",
        "materialRef": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#139223",
        "materialNames": [
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        ],
        "relationRef": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#139224",
        "basis": "occurrence",
        "assemblyName": "StairLanding_ReinforcedConcrete_200mm",
        "representativeLayer": {
          "name": "ReinforcedConcrete_Slabs",
          "thicknessM": 0.2,
          "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#139220",
          "sourceThermalProperties": {
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            "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#13432"
          }
        },
        "elements": 3
      },
      {
        "key": "slab__architectural_139206",
        "group": "slab",
        "sourceRole": "architectural",
        "status": "layer_set",
        "assemblyRef": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#139206",
        "materialRef": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#139208",
        "materialNames": [
          "ReinforcedConcrete_Slabs"
        ],
        "relationRef": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#139209",
        "basis": "occurrence",
        "assemblyName": "Slab_ReinforcedConcrete_200mm",
        "representativeLayer": {
          "name": "ReinforcedConcrete_Slabs",
          "thicknessM": 0.2,
          "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#139205",
          "sourceThermalProperties": {
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            "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#13432"
          }
        },
        "elements": 6
      },
      {
        "key": "slab__architectural_139230",
        "group": "slab",
        "sourceRole": "architectural",
        "status": "layer_set",
        "assemblyRef": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#139230",
        "materialRef": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#139232",
        "materialNames": [
          "ReinforcedConcrete_Slabs"
        ],
        "relationRef": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#139233",
        "basis": "occurrence",
        "assemblyName": "FlatRoofSlab_ReinforcedConcrete_200mm",
        "representativeLayer": {
          "name": "ReinforcedConcrete_Slabs",
          "thicknessM": 0.2,
          "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#139229",
          "sourceThermalProperties": {
            "conductivityWPerMK": 2.3,
            "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#13432"
          }
        },
        "elements": 1
      },
      {
        "key": "wall__architectural_114955",
        "group": "wall",
        "sourceRole": "architectural",
        "status": "layer_set",
        "assemblyRef": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#114955",
        "materialRef": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#114955",
        "materialNames": [
          "Masonry_Silicate_Block_240mm",
          "Plaster_Interior_Lime_Gypsum"
        ],
        "relationRef": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#114956",
        "basis": "type",
        "assemblyName": "Calcium_Silicate_Plaster_250mm",
        "representativeLayer": {
          "name": "Masonry_Silicate_Block_240mm",
          "thicknessM": 0.24,
          "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#114957",
          "sourceThermalProperties": {
            "conductivityWPerMK": 0.99,
            "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#3502"
          }
        },
        "elements": 16
      },
      {
        "key": "wall__architectural_114961",
        "group": "wall",
        "sourceRole": "architectural",
        "status": "layer_set",
        "assemblyRef": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#114961",
        "materialRef": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#114961",
        "materialNames": [
          "Plaster_Interior_Lime_Gypsum",
          "Masonry_Silicate_Block_240mm",
          "Plaster_Interior_Lime_Gypsum"
        ],
        "relationRef": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#114962",
        "basis": "type",
        "assemblyName": "InteriorWall_Office_CalciumSilicate_260mm",
        "representativeLayer": {
          "name": "Masonry_Silicate_Block_240mm",
          "thicknessM": 0.24,
          "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#114963",
          "sourceThermalProperties": {
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            "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#3502"
          }
        },
        "elements": 48
      },
      {
        "key": "wall__architectural_6774",
        "group": "wall",
        "sourceRole": "architectural",
        "status": "layer_set",
        "assemblyRef": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#6774",
        "materialRef": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#6780",
        "materialNames": [
          "GypsumBoard_Drywall_12.5mm",
          "GypsumBoard_Drywall_12.5mm",
          "Insulation_MineralWool_InDryWall_Lambda0.040",
          "GypsumBoard_Drywall_12.5mm",
          "GypsumBoard_Drywall_12.5mm"
        ],
        "relationRef": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#6781",
        "basis": "occurrence",
        "assemblyName": "InteriorWall_Office_DryWall_125mm",
        "representativeLayer": {
          "name": "Insulation_MineralWool_InDryWall_Lambda0.040",
          "thicknessM": 0.075,
          "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#6776",
          "sourceThermalProperties": {
            "conductivityWPerMK": 0.04,
            "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#6889"
          }
        },
        "elements": 20
      },
      {
        "key": "wall__architectural_92034",
        "group": "wall",
        "sourceRole": "architectural",
        "status": "layer_set",
        "assemblyRef": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#92034",
        "materialRef": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#92161",
        "materialNames": [
          "Masonry_Silicate_Block_240mm",
          "Insulation_MineralWool_Lambda0.045_1970",
          "BituminousSheeting",
          "AluminumCladding_4mm"
        ],
        "relationRef": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#92162",
        "basis": "occurrence",
        "assemblyName": "Attica_Insulation_Aluminium_269mm",
        "representativeLayer": {
          "name": "Masonry_Silicate_Block_240mm",
          "thicknessM": 0.24,
          "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#92035",
          "sourceThermalProperties": {
            "conductivityWPerMK": 0.99,
            "ref": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#3502"
          }
        },
        "elements": 4
      },
      {
        "key": "stair__architectural_13429",
        "group": "stair",
        "sourceRole": "architectural",
        "status": "single_material",
        "assemblyRef": null,
        "materialRef": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#13429",
        "materialNames": [
          "ReinforcedConcrete_Slabs"
        ],
        "relationRef": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#40513",
        "basis": "type",
        "assemblyName": null,
        "representativeLayer": null,
        "elements": 6
      },
      {
        "key": "glazing__architectural_139160",
        "group": "glazing",
        "sourceRole": "architectural",
        "status": "unsupported",
        "assemblyRef": null,
        "materialRef": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#139160",
        "materialNames": [],
        "relationRef": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#139161",
        "basis": "type",
        "assemblyName": null,
        "representativeLayer": null,
        "elements": 135
      },
      {
        "key": "glazing__architectural_139166",
        "group": "glazing",
        "sourceRole": "architectural",
        "status": "unsupported",
        "assemblyRef": null,
        "materialRef": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#139166",
        "materialNames": [],
        "relationRef": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#139167",
        "basis": "type",
        "assemblyName": null,
        "representativeLayer": null,
        "elements": 31
      },
      {
        "key": "glazing__architectural_99355",
        "group": "glazing",
        "sourceRole": "architectural",
        "status": "single_material",
        "assemblyRef": null,
        "materialRef": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#99355",
        "materialNames": [
          "WindowGlass_DoubleGlazing_1970_24mm"
        ],
        "relationRef": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#138619",
        "basis": "occurrence",
        "assemblyName": null,
        "representativeLayer": null,
        "elements": 1
      },
      {
        "key": "door__architectural_140267",
        "group": "door",
        "sourceRole": "architectural",
        "status": "unsupported",
        "assemblyRef": null,
        "materialRef": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#140267",
        "materialNames": [],
        "relationRef": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#140270",
        "basis": "type",
        "assemblyName": null,
        "representativeLayer": null,
        "elements": 27
      },
      {
        "key": "door__architectural_143526",
        "group": "door",
        "sourceRole": "architectural",
        "status": "unsupported",
        "assemblyRef": null,
        "materialRef": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#143526",
        "materialNames": [],
        "relationRef": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#143529",
        "basis": "type",
        "assemblyName": null,
        "representativeLayer": null,
        "elements": 8
      },
      {
        "key": "door__architectural_143836",
        "group": "door",
        "sourceRole": "architectural",
        "status": "unsupported",
        "assemblyRef": null,
        "materialRef": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#143836",
        "materialNames": [],
        "relationRef": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#143839",
        "basis": "type",
        "assemblyName": null,
        "representativeLayer": null,
        "elements": 1
      },
      {
        "key": "door__architectural_139518",
        "group": "door",
        "sourceRole": "architectural",
        "status": "unsupported",
        "assemblyRef": null,
        "materialRef": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#139518",
        "materialNames": [],
        "relationRef": "ifc://2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc#139521",
        "basis": "type",
        "assemblyName": null,
        "representativeLayer": null,
        "elements": 13
      }
    ],
    "appearanceBasis": "IFC occurrence or type material association. For a layer set, the thickest stated layer is used as an illustrative representative, not as the verified exterior finish. Source layer order does not establish installation direction. Unreviewed material names remain neutral. Glazing retains its base role appearance."
  },
  "mepCoverage": {
    "schemaVersion": 1,
    "status": "no_typed_mep_occurrences",
    "publishedLayerIds": [],
    "typedElementCount": 0,
    "distributionPortCount": 0,
    "sources": [
      {
        "role": "architectural",
        "fileName": "2026-07_Klassiqua_Buero_Archetyp_Baujahr_1970.ifc",
        "sha256": "4d77774850b817d8ed9534e19886a1ff7fbcbe734a8f3138eebf2751e4c879fb",
        "schema": "IFC4X3_ADD2",
        "typedElementCount": 0,
        "entitiesByType": {},
        "distributionPorts": 0,
        "systems": 0
      }
    ],
    "summary": {
      "ko": "제공된 IFC에는 분류된 MEP 요소와 배관·덕트 포트가 없습니다. 일반 가구·프록시는 설비로 추정하지 않습니다.",
      "en": "The supplied IFC contains no typed MEP elements or distribution ports. Generic furniture and proxies are not interpreted as services."
    },
    "limitations": [
      {
        "ko": "해시로 고정된 IFC 파일에서 해당 스키마의 설비 분류 상속을 확인한 요소 목록이며, 실제 설치 설비의 완전성 조사가 아닙니다.",
        "en": "Inventory of distribution occurrence classes using each pinned IFC file's schema inheritance, not a completeness survey of installed services."
      },
      {
        "ko": "분야별·수정본 모델 간 요소가 중복될 수 있으며 파일 간 설비 중복 제거는 하지 않았습니다.",
        "en": "Counts include overlapping discipline and revision models; there is no cross-file equipment deduplication."
      },
      {
        "ko": "일반 IfcBuildingElementProxy·IfcFurnishingElement는 원본 근거 없이 MEP로 분류하지 않습니다.",
        "en": "Generic IfcBuildingElementProxy and IfcFurnishingElement occurrences are not classified as MEP without source evidence."
      }
    ]
  }
}