Hydraulic Machines Used in Fish Screens

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Hydraulic Machines Used in Fish Screens

• September, 2006
• Ryan L. McCormick, P.E.
• Oregon Dept of Fish Wildlife

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Purpose

• Use a hydraulic pump to drive a hydraulic
  cylinder or pitman arm to move screen cleaning
  components.

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Advantages

• Safety
• Reliability
• Electricity Not Required
• Power Transmission Flexibility

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Disadvantages

• Higher Cost for Smaller Screens
• Regular Maintenance
• Compound Driving System

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Breitenbush Screen

• Construction Completed Jan, 2006
• Screened Flow is 35cfs
• Water is primarily for hydroelectric with some
  domestic water use
• Electrically driven hydraulic system
• Designed by Mike Lambert (ODFW) Conrad Zevely
  (Breitenbush Staff)
• Hydraulics move gang wiper

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Lost Boulder

• Construction Completed in November, 2005
• Screened Flow is 30 cfs
• Water is primarily used for irrigation
• Paddle wheel driven system
• Designed by Suzanne Pollon, ODFW
• Hydraulics move gang wiper

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Dee Screen

• Construction Completed in January 1999
• Screened Flow is 10 cfs
• Water primarily used for irrigation
• Paddle wheel driven system
• Designed by Bernie Michaud (ODFW) Mike Lambert
  (ODFW)
• Hydraulics move gang wiper

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Upper Herman Creek Screen

• Construction Completed in Summer 2006
• Screen Flow is 20 cfs
• Water is primarily used for fish rearing
• Electrically driven hydraulic system
• Designed by Mike Lambert (ODFW) Lowell Watkins
  (ODFW)
• Hydraulics move back wash spray nozzles

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Future Projects

• Estes Diversion on Powder River
• Expected Completion Fall 2007
• Screened Water is 85 cfs
• Electrically Driven Hydraulic System
• Type V-Screen Gang Wiper

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Future Projects (contd)

• Page Springs Dam, West Canal, on Donner und
  Blitzen River
• Expected Completion Spring 2007
• Screened Water is 60 cfs
• Electrically Driven Hydraulic System
• Type V-Screen Gang Wiper