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Dec 2018 | Green & Resilient Communities

IN THE FACE OF THE STORM: USING A MODEL AT THE SOURCE APPROACH TO INFLOW AND INFILTRATION STUDIES
HAZEM GHEITH, ARCADIS CANADA INC.

Utilities allocate high budgets to investigate and control inflow and infiltration (I/I) in their collection systems. High I/I is a result of aging sewers and sometimes is caused by illegal storm sewer connections. Infiltration occurs when groundwater flows into sewer infrastructure through cracks and other defects and is the direct cause of flooding manholes and basement backups. High I/I hinders communities from expanding into new developments because of increasing flow and the potential sewage flooding.

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