Ponding

Jetting or the use of water to hasten the settlement of an embankment – requires the judgment of a soils engineer. In hydraulics, pending refers to water backed up in a channel or ditch as the result of a culvert of inadequate capacity or design to permit the water to flow unrestricted.

Pore Water Pressure

The pressure of the groundwater held within a soil or rock: in gaps (pores) between particles.

Potholing

Small, carefully dug, nonmechanized excavation, used to locate a utility or other subsurface feature.

Power Package

The engine and drive section of a split boring machine or the remote engine and hydraulic pumps of a power unit.