Clearing the Line

Operators overcome a myriad of challenges while removing 25 yards of concrete from sewer system.
Clearing the Line
A cleaning crew vacuums small debris from a downstream manhole during the concrete removal process.

When concrete slurry poured into sewer mainlines in a coastal condo development near Los Angeles, the crew had no idea they were about to block all the sewage flow from nearby Marina del Rey.

During ground stabilization work on the development, the general contractor bored...

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