Installation usually requires excavation at the insertion and receiving pits.

Aside from requiring modest excavation, including breaking through the basement floor, the task is not difficult.

This would have required costly excavation and construction.

Requires excavation of soils; generally limited to 25 feet below land surface.

The cemetery requires major re-engineering and excavation of much of the country's infrastructure.

Localized repairs require less excavation than areas needing widespread treatment, and you may decide to do the digging yourself.

But most research has focused on using bacteria or fungi, methods that often require excavation of the soil, an expensive proposition.

Instability of the surface required deep excavation of the foundations.

"I chose poems that don't require deep excavation to be understood," he said.

Severe damage may require excavation and replacement of the pipe with more modern materials.