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subsurface drainage systemTypical Sump and Pump System

  • 24'' to 48'' manholes are used for inspection and flow measurement
  • 6' to 8' diameter sumps are used when gravity outlet of sufficient depth is not available
  • submersible pumps sized accordingly to anticipated flows are installed with automatic level controls
  • smaller structures may be used for temporary facilities
  • Inlets to sumps and manholes are cored at required elevations
  • this provides a clean accurate hole to mortar pipe into
  • pipe is connected above ground, ahead of trencher, providing a continuous supply of pipe.
  • pipe is fed into trench boot were it is encased in gravel and set on desired gauge
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