From LID SWM Planning and Design Guide
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Pretreatment practices reduce the maintenance burden and improve the longevity of the receiving LID facility. The choice of pretreatment device will depend upon the route of the incoming flow:

  • For overland sheet flow look at gravel diaphragms and vegetated filter strips,
  • For overland concentrated flow consider forebays, screens, and sand filters,
  • For underground concentrated flow,OGS devices and exfiltration pipes.

Pages in category "Pretreatment"

The following 4 pages are in this category, out of 4 total.