CHAPTER17 Methods for Estimating Inflow and Infiltration ...

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CHAPTER17 Methods for Estimating Inflow and Infiltration into Sanitary Sewers David Crawford, Paul Eckley and Edwin Pier Excessive Inflow and Infiltration during wet weather periods into capacity-constrained sewer systems cause sanitary sewer overflows (SSOs). The two major components of wet weather flow are Inflow and Infiltration , and arc the main factors found in sanitary sewer evaluation studies (SSES) or Inflow / Infiltration (III) studies. Control and reduction of Inflow and Infiltration directly relates to effective controls for SSOs.

CHAPTER17 Methods for Estimating Inflow and Infiltration into Sanitary Sewers David Crawford, Paul Eckley and Edwin Pier Excessive inflow and infiltration during wet weather periods into capacity­ constrained sewer systems cause sanitary sewer overflows (SSOs). The two major components of wet weather flow are inflow and infiltration, and arc the

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