Contractor goes with pipe bursting to replace sewer

A pneumatically assisted bursting head helps an Ontario contractor upsize a concrete sewer without disrupting traffic.
Contractor goes with pipe bursting to replace sewer
SLR employee Dave Cunha (left) and Midwest Trenchless Services employee Jon Snyder weld additional supports to the trench box to compensate for the bad soil conditions.

Infiltration through failed joints in a 27-inch concrete gravity sewer in Windsor, Ontario, taxed the capacity of the wastewater treatment plant during heavy rains. Hydrogen sulfide was corroding the crown in many places.

In 2002, the city put out a tender to directional...

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