# Pipes/ Ducts — Notes

## Provenance

- Source: **CORENET X Code of Practice v3.1**, Section 4 (BIM Data Representation — IFC+SG), pages 74–76.
- Source link: [CORENET X — IFC-SG Glossary of Identified Components ↗](https://info.corenet.gov.sg/ifc-sg/bim-data-(ifc-sg)/glossary-of-identified-components?id=957b747e-f9da-4117-b9f8-f1ffac8b4911)
- Discipline: **MEP**  ·  Authorities: **—**
- 6 IFC binding(s), 30 parameter(s), 1 declarative-only binding(s).

## IFC binding breakdown

- `IfcPipeSegment` — subtypes: RIGIDSEGMENT, FLEXIBLESEGMENT — 12 param(s), table format `6col`.
- `IfcDuctSegment` — 5 param(s), table format `6col`.
- `IfcDuctFitting` — 5 param(s), table format `6col`.
- `IfcPipeFitting` — subtypes: BEND, DRAINCHANNELBEND, ENTRY, EXIT, FLANGEADAPTOR, FLEXIBLECOUPLING, JUNCTION, OBSTRUCTION, PIPESILENCER, SHORTPIECE — 6 param(s), table format `6col`.
- `IfcAirTerminal` — subtypes: GRILLE, LOUVRE — 2 param(s), table format `6col`.
- `IfcPipeSegment` — subtypes: SCUPPERDRAIN, SPOOL, FLARESTACK, RAINWATEROUTLET — 0 param(s), table format `6col`.  **[no IFC+SG properties required]**

## Other input-limited parameters

These accept values from a defined list in the COP source table (not part of the global structural enums); see `examples` in `parameters.json`:

- PreInsulated, Perforated, TradeEffluent, DemountableStructureAbovePipe