# Wall

| Field | Value |
| --- | --- |
| Discipline | ARC |
| Authorities | BCA, SCDF |
| Pages (COP v3.1) | 185–190 |
| IFC Bindings | 2 |
| Parameters | 23 |
| Source | CORENET X Code of Practice v3.1 |
| Source link | [View on CORENET X ↗](https://info.corenet.gov.sg/ifc-sg/bim-data-(ifc-sg)/glossary-of-identified-components?id=136c0c35-9f48-496d-aaf2-604218e2f888) |

## IFC Bindings

| # | IFC Entity | Predefined subtype(s) | Params | Notes |
| --- | --- | --- | --- | --- |
| 1 | `IfcWall` | PARAPET, RETAININGWALL, BOUNDARYWALL | 2 |  |
| 2 | `IfcWall` | — | 21 |  |

## Parameters

See `parameters.json` for the machine-readable, binding-grouped data (with resolved `allowed_values` for input-limited fields).

| IFC Entity | S/N | Property | Type | Unit | Input limited | Example |
| --- | --- | --- | --- | --- | --- | --- |
| `IfcWall` | 1 | ConstructionMethod | Text |  | Y | Refer to list^ |
| `IfcWall` | 2 | IsPartyWall | Boolean |  | Y | TRUE / FALSE |
| `IfcWall` | 1 | MaterialGrade | Text |  | Y | Refer to list^ |
| `IfcWall` | 2 | ConstructionMethod | Text |  | Y | Refer to list^ |
| `IfcWall` | 3 | ReferTo2DDetail | Text |  |  | Dwg Number |
| `IfcWall` | 4 | ReinforcementSteelGrade | Text |  | Y | Refer to list^ |
| `IfcWall` | 5 | ShelterUsage | Boolean |  | Y | TRUE / FALSE |
| `IfcWall` | 6 | Mark | Text |  |  | W1; W2 |
| `IfcWall` | 7 | Thickness | Length | mm |  | 300 |
| `IfcWall` | 8 | HorizontalRebar | Text |  |  | 2H20-150 |
| `IfcWall` | 9 | Stirrups | Text |  |  | H10-150-300 |
| `IfcWall` | 10 | StirrupsType | Text |  | Y | Refer to list^ |
| `IfcWall` | 11 | VerticalRebar | Text |  |  | H32-150+H25-150 |
| `IfcWall` | 12 | WorkingLoad_DA1-1 | Integer | kN |  | 1234 |
| `IfcWall` | 13 | WorkingLoad_DA1-2 | Integer | kN |  | 1234 |
| `IfcWall` | 14 | LoadBearing | Boolean |  | Y | TRUE / FALSE |
| `IfcWall` | 15 | MechanicalConnectionType | Text |  |  | Flexible loops; grouted sleeves; spiral connector |
| `IfcWall` | 16 | PrefabricatedReinforcementCage | Boolean |  | Y | TRUE / FALSE |
| `IfcWall` | 17 | IsExternal | Boolean |  | Y | TRUE / FALSE |
| `IfcWall` | 18 | BeamFacade | Boolean |  | Y | TRUE / FALSE |
| `IfcWall` | 19 | DoubleBayFacade | Boolean |  | Y | TRUE / FALSE |
| `IfcWall` | 20 | PrefinishedFacade | Boolean |  | Y | TRUE / FALSE |
| `IfcWall` | 21 | ArrangementType | Text |  | Y | Multi-Tier |