{
  "component": "Column",
  "discipline": "ARC",
  "authorities": [
    "BCA",
    "URA",
    "SCDF",
    "LTA",
    "NParks",
    "PUB",
    "NEA"
  ],
  "source": "CORENET X Code of Practice v3.1",
  "source_title": "CORENET X — IFC-SG Glossary of Identified Components",
  "source_url": "https://info.corenet.gov.sg/ifc-sg/bim-data-(ifc-sg)/glossary-of-identified-components?id=85facd32-c777-40d8-b35b-a086d26b5565",
  "source_id": "85facd32-c777-40d8-b35b-a086d26b5565",
  "page_range": [
    21,
    24
  ],
  "ifc_binding_count": 1,
  "parameter_count": 25,
  "declarative_only_bindings": 0,
  "ifc_bindings": [
    {
      "ifc_entity": "IfcColumn",
      "ifc_subtype": null,
      "ifc_subtypes": null,
      "scope": null,
      "no_properties_required": false,
      "header_kind": "7col",
      "pages": [
        23
      ],
      "parameters": [
        {
          "sn": 1,
          "property": "ArrangementType",
          "type": "Text",
          "input_limited": false,
          "examples": [
            "Multi-Tier"
          ]
        },
        {
          "sn": 2,
          "property": "Breadth",
          "type": "Length",
          "applies_to": "RC column",
          "unit": "mm",
          "input_limited": false,
          "examples": [
            "300"
          ]
        },
        {
          "sn": 3,
          "property": "ConnectionDetailsBottom",
          "type": "Text",
          "applies_to": "Steel column",
          "input_limited": false,
          "examples": [
            "Detail 1"
          ]
        },
        {
          "sn": 4,
          "property": "ConnectionDetailsTop",
          "type": "Text",
          "applies_to": "Steel column",
          "input_limited": false,
          "examples": [
            "Detail 1"
          ]
        },
        {
          "sn": 5,
          "property": "ConnectionTypeBottom",
          "type": "Text",
          "applies_to": "Steel column",
          "input_limited": true,
          "allowed_values": [
            "Pinned",
            "Fixed",
            "Free"
          ],
          "allowed_values_source": "structural_enums (p3)",
          "examples": [
            "Refer to Modelling IFC+SG for Structural Submission here"
          ]
        },
        {
          "sn": 6,
          "property": "ConnectionTypeTop",
          "type": "Text",
          "applies_to": "Steel column",
          "input_limited": true,
          "allowed_values": [
            "Pinned",
            "Fixed",
            "Free"
          ],
          "allowed_values_source": "structural_enums (p3)",
          "examples": [
            "Refer to Modelling IFC+SG for Structural Submission here"
          ]
        },
        {
          "sn": 7,
          "property": "ConstructionMethod",
          "type": "Text",
          "applies_to": "All columns",
          "input_limited": true,
          "allowed_values": [
            "CIS",
            "PC",
            "PT (Pre)",
            "PT (Post)",
            "PF",
            "PPVC",
            "Spun [for pile element only]"
          ],
          "allowed_values_source": "structural_enums (p3)",
          "examples": [
            "Refer to Modelling IFC+SG for Structural Submission here"
          ]
        },
        {
          "sn": 8,
          "property": "Diameter",
          "type": "Length",
          "applies_to": "When required / relevant",
          "unit": "mm",
          "input_limited": false,
          "examples": [
            "600"
          ]
        },
        {
          "sn": 9,
          "property": "EndStorey",
          "type": "Text",
          "applies_to": "All columns",
          "input_limited": false,
          "examples": [
            "2nd Storey",
            "Roof Storey"
          ]
        },
        {
          "sn": 10,
          "property": "MainRebar",
          "type": "Text",
          "applies_to": "RC column",
          "input_limited": false,
          "examples": [
            "6H32+6H25"
          ]
        },
        {
          "sn": 11,
          "property": "Mark",
          "type": "Text",
          "applies_to": "All columns",
          "input_limited": false,
          "examples": [
            "C1",
            "TC1"
          ]
        },
        {
          "sn": 12,
          "property": "MaterialGrade",
          "type": "Text",
          "applies_to": "All columns",
          "input_limited": true,
          "allowed_values": [
            "C12/15",
            "C20/25",
            "C30/37",
            "C32/40",
            "C35/45",
            "C40/50",
            "C50/60",
            "C55/67",
            "C60/75",
            "C70/85",
            "C80/95",
            "S235",
            "S275",
            "S355",
            "S460"
          ],
          "allowed_values_source": "structural_enums (p3) Footnote marker '*' stripped 2026-08-08; captured on the MaterialGrade group in _reference/structural_enums.json (CoP v3.1 PDF p.249).",
          "examples": [
            "Refer to Modelling IFC+SG for Structural Submission here"
          ]
        },
        {
          "sn": 13,
          "property": "MechanicalConnectionType",
          "type": "Text",
          "input_limited": true,
          "reference_values": [
            "column shoes",
            "grouted sleeves",
            "spiral connector"
          ],
          "reference_values_source": "official glossary page values cell (retrieved 2026-07-19)",
          "examples": [
            "column shoes",
            "grouted sleeves",
            "spiral connector"
          ]
        },
        {
          "sn": 14,
          "property": "MemberSection",
          "type": "Text",
          "applies_to": "Steel column",
          "input_limited": false,
          "examples": [
            "RHS600x30x4",
            "CHS500x3.0",
            "254x254x63kg/m"
          ]
        },
        {
          "sn": 15,
          "property": "PrefabricatedReinforcementCage",
          "type": "Boolean",
          "input_limited": true,
          "allowed_values": [
            "TRUE",
            "FALSE"
          ],
          "allowed_values_source": "boolean (CoP examples: TRUE / FALSE)",
          "examples": [
            "TRUE / FALSE"
          ]
        },
        {
          "sn": 16,
          "property": "ReferTo2DDetail",
          "type": "Text",
          "applies_to": "When required / relevant",
          "input_limited": false,
          "examples": [
            "Dwg Number"
          ]
        },
        {
          "sn": 17,
          "property": "ReinforcementSteelGrade",
          "type": "Text",
          "applies_to": "RC column",
          "input_limited": true,
          "allowed_values": [
            "500A",
            "500B",
            "500C",
            "600A",
            "600B",
            "600C"
          ],
          "allowed_values_source": "structural_enums (p3)",
          "examples": [
            "Refer to Modelling IFC+SG for Structural Submission here"
          ]
        },
        {
          "sn": 18,
          "property": "SectionFabricationMethod",
          "type": "Text",
          "applies_to": "Steel column",
          "input_limited": true,
          "allowed_values": [
            "Hot rolled",
            "Cold formed"
          ],
          "allowed_values_source": "structural_enums (p3)",
          "examples": [
            "Refer to Modelling IFC+SG for Structural Submission here"
          ]
        },
        {
          "sn": 19,
          "property": "SpliceDetail",
          "type": "Text",
          "applies_to": "When required / relevant",
          "input_limited": false,
          "examples": [
            "Detail 3"
          ]
        },
        {
          "sn": 20,
          "property": "StartingStorey",
          "type": "Text",
          "applies_to": "All columns",
          "input_limited": false,
          "examples": [
            "1st Storey",
            "Lower Roof Storey"
          ]
        },
        {
          "sn": 21,
          "property": "Stirrups",
          "type": "Text",
          "applies_to": "RC column",
          "input_limited": false,
          "examples": [
            "4H13-300"
          ]
        },
        {
          "sn": 22,
          "property": "StirrupsType",
          "type": "Text",
          "applies_to": "When required / relevant",
          "input_limited": true,
          "allowed_values": [
            "Normal",
            "U",
            "C",
            "CL [for civil defence shelter]",
            "Torsion"
          ],
          "allowed_values_source": "structural_enums (p3)",
          "examples": [
            "Refer to Modelling IFC+SG for Structural Submission here"
          ]
        },
        {
          "sn": 23,
          "property": "Width",
          "type": "Length",
          "applies_to": "RC column",
          "unit": "mm",
          "input_limited": false,
          "examples": [
            "600"
          ]
        },
        {
          "sn": 24,
          "property": "WorkingLoad_DA1-1",
          "type": "Integer",
          "applies_to": "When required / relevant",
          "unit": "kN",
          "input_limited": false,
          "examples": [
            "1234"
          ]
        },
        {
          "sn": 25,
          "property": "WorkingLoad_DA1-2",
          "type": "Integer",
          "applies_to": "When required / relevant",
          "unit": "kN",
          "input_limited": false,
          "examples": [
            "1234"
          ]
        }
      ]
    }
  ]
}