Leveraging Public Infrastructure to Identify Sources of Private-side Inflow and Infiltration

Leveraging Public Infrastructure to Identify Sources of Private-side Inflow and Infiltration

Over the past five years, the District of North Vancouver has combatted I&I within the Lynn Valley Sewer Catchment by targeting public infrastructure, but efforts have now turned to private-side infrastructure.

Newly rehabilitated mains surcharging during off-peak hours. Lift stations running two pumps in the middle of the night. CCTV operators pumping down mainlines to complete inspections.

We all know what private-side inflow and infiltration looks like. The problem is that it is difficult to find. Costs can be prohibitive and associated with reports and data that are impractical in an operations setting.

The District of North Vancouver is committed to I&I reduction. The district...

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