History of Upstream Face
| Element | Description | Element Code | Essential | Uniclass 2015 | Updates |
|---|---|---|---|---|---|
| Upstream Face | The vertical or inclined side of an asset that faces upstream. | USF | No | SL_32_85_98 | 27-04-2021 |
| Upstream Face | The vertical or inclined side of an asset that faces upstream. | USF | No | SL_32_85_98 | 11-04-2023 |