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Request changes for Pre-Barrage

ElementDescriptionElement CodeEssentialUniclass 2015
Pre-BarrageAn 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.PBRNoSL_32_85_65