# Slab

| Field | Value |
| --- | --- |
| Discipline | ARC |
| Authorities | BCA |
| Pages (COP v3.1) | 105–108 |
| IFC Bindings | 1 |
| Parameters | 20 |
| 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=d5fcaa05-2c05-4329-b608-3093d6b8b017) |

## IFC Bindings

| # | IFC Entity | Predefined subtype(s) | Params | Notes |
| --- | --- | --- | --- | --- |
| 1 | `IfcSlab` | N.A., LANDING | 20 |  |

## 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 |
| --- | --- | --- | --- | --- | --- | --- |
| `IfcSlab` | 1 | MaterialGrade | Text |  | Y | Refer to list^ |
| `IfcSlab` | 2 | ConstructionMethod | Text |  | Y | Refer to list^ |
| `IfcSlab` | 3 | ReferTo2DDetail | Text |  |  | Dwg Number |
| `IfcSlab` | 4 | ReinforcementSteelGrade | Text |  | Y | Refer to list^ |
| `IfcSlab` | 5 | ShelterUsage | Boolean |  | Y | TRUE / FALSE |
| `IfcSlab` | 6 | SlabType | Text |  | Y | Refer to list^ |
| `IfcSlab` | 7 | Mark | Text |  |  | S1; S01; PS01 |
| `IfcSlab` | 8 | Thickness | Length | mm |  | 300 |
| `IfcSlab` | 9 | BottomDistribution_nominal | Text |  |  | H25-150+H16-300 |
| `IfcSlab` | 10 | BottomMain_nominal | Text |  |  | H25-150+H16-300 |
| `IfcSlab` | 11 | Stirrups | Text |  |  | H10-150-300 |
| `IfcSlab` | 12 | StirrupsType | Text |  | Y | Refer to list^ |
| `IfcSlab` | 13 | TopDistribution_nominal | Text |  |  | H25-150+H16-300 |
| `IfcSlab` | 14 | TopMain_nominal | Text |  |  | H32-150+H20-300 |
| `IfcSlab` | 15 | WeldedMesh | Boolean |  | Y | TRUE / FALSE |
| `IfcSlab` | 16 | Accreditation_MAS | Boolean |  | Y | TRUE / FALSE |
| `IfcSlab` | 17 | LoadBearing | Boolean |  | Y | TRUE / FALSE |
| `IfcSlab` | 18 | MechanicalConnectionType | Text |  |  | Flexible Loops |
| `IfcSlab` | 19 | TypeDesignator | Text |  |  | Double T Slab; Hollowcore |
| `IfcSlab` | 20 | LatticeGirderReinforcement | Boolean |  | Y | TRUE / FALSE |