Municipal ordinances and pipe bursting remedies for I&I

Municipal ordinances and pipe bursting remedies for I&I
The PortaBurst PB30 cable pulling unit is placed in the basement pit to pull back the new pipe. (Photos courtesy of HammerHead)

Inflow and infiltration (I&I) of stormwater into a city’s sanitary sewer system can be a major problem. King County, Wash., estimates that I&I makes up 75 percent of its peak flows during the winter, and much of that comes from private property.

In any location with an aging sewer...

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