Request a new attribute
| Element | Description | Element Code | Essential | Uniclass 2015 |
|---|---|---|---|---|
| Treads and Risers | The alternating horizontal (treads) and vertical (risers) elements that make up a set of steps. | TRR | Yes | Pr_25_30_90 |
Department for Environment Food & Rural Affairs
| Element | Description | Element Code | Essential | Uniclass 2015 |
|---|---|---|---|---|
| Treads and Risers | The alternating horizontal (treads) and vertical (risers) elements that make up a set of steps. | TRR | Yes | Pr_25_30_90 |