• Overview of the cleaning methods
• Criteria for the selection of the cleaning process...
• Flushing methods
• Surge flushing
  • Surge flushing – Definition
  • Surge flushing - Process
  • Surge flushing – Process description
  • Surge flushing – Surge wave flow conditions
  • Surge flushing – Bed load and Suspension waves
  • Surge flushing – Factors influencing efficiency
  • Surge flushing – Effective range
  • Surge flushing – Practical experience
  • Surge flushing devices
    • Surge flushing devices
    • Surge flushing devices (2)
    • Wastewater volume activated flushing system
      • Wastewater volume activated flushing system
      • Wastewater volume activated flushing system (2)
      • Wastewater volume activated flushing system (3)
      • Sealing devices (lifting, lowering, rotating)
      • Automatic flush gate (without auxiliary energy)
      • Automatic flush gate (without auxiliary energy) (2...
      • Practical example I
        • The Hydrass Valve
        • The Hydrass Valve (2)
        • The Hydrass Valve (3)
        • The Hydrass Valve (4)
        • Use parameters
      • Practical example II
      • Mechanically working flush gate (with auxiliary en...
      • Arched flush gate
      • Arched flush gate (2)
      • Flushing weir
      • Flushing weir - Example
      • Flush sluice
      • Inflatable pipe plug
      • Inflatable pipe plug (2)
      • Inflatable pipe plug
      • Rotating elbow
      • Rotating elbow (2)
      • Rotating elbow
      • Tipping bucket, Pivoting drum, Flushing manhole
      • Tipping bucket, Pivoting drum, Flushing manhole (2...
    • Flushing methods with reservoir -Tipping bucket
    • Flushing using a flushing chamber
    • Surge manhole flushing systems
  • Flushing method recommendations
  • Surge flushing methods applications - Conclusion
  • Surge flushing methods - performance comparison
  • Surge flushing methods - applications
• Back-up flushing
• End of module

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