220 likes | 334 Views
Sulphur Creek Wasteway Barrier Proposal. Wayne Sonnichson, P.E. Roza Irrigation District US Bureau of Reclamation, Yakima Project. Problem: Adult Salmon Attempt to Spawn in Sulphur Creek Wasteway. Exclusion barrier concept Review scientific information regarding the wasteway
E N D
Sulphur Creek Wasteway Barrier Proposal Wayne Sonnichson, P.E. Roza Irrigation District US Bureau of Reclamation, Yakima Project
Problem: Adult Salmon Attempt to Spawn in Sulphur Creek Wasteway • Exclusion barrier concept • Review scientific information regarding the wasteway • Update plans for barrier project
Picket, Vertical Drop, Velocity, Electric, Leaf Gate, Horizontal Draft Tube, others?
Sulphur Creek Wasteway drains 102,400 Acres, or about 160 sq. mi.
Proposed Solution: SULPHUR CREEK WASTEWAY FISH PASSAGE BARRIER
Original Design: Vertical Drop Structure Objective is to provide a total project head in excess of leaping ability of salmon and steelhead.
This gate can be opened or closed depending on management goals.
New Criteria • Velocity Gradient Barrier