History of Pre-Barrage
| Element | Description | Element Code | Essential | Uniclass 2015 | Updates |
|---|---|---|---|---|---|
| Pre-Barrage | A small weir that is placed downstream of a structure to cause water to back up and flood the downstream end of a potential obstruction, thus improving hydraulic conditions and acting to facilitate entry into and passage through a structure. | PBR | No | SL_32_85_65 | 27-04-2021 |
| Pre-Barrage | A small weir that is placed downstream of a structure to cause water to back up and flood the downstream end of a potential obstruction, thus improving hydraulic conditions and acting to facilitate entry into and passage through a structure. | PBR | No | SL_32_85_65 | 11-04-2023 |
| Pre-Barrage | An ancillary structure to a primary structure, for example a Fish Pass asset or Weir asset. A pre-barrage is a small cross channel structure that is placed downstream of a structure to cause water to back up and flood the downstream end of a potential obstruction, thus improving hydraulic conditions and acting to facilitate entry into and passage through a structure. | PBR | No | SL_32_85_65 | 26-02-2024 |