GLOSSARY

Construction dewatering, unwatering, or water control are common terms used to describe removal or draining groundwater or surface water from a riverbed, construction site, caisson, or mine shaft, by pumping or evaporation

is a technique used by oil-extraction companies in order to access oil in underground reserves. Most oil wells are positioned above the targeted reservoir, so accessing them involves drilling vertically from the surface through to the well below.

are commonly used in dredging to transport the dredged materials from the dredger to the disposal site. Cutter suction dredgers in particular use hydraulic transport. Hopper dredgers also use pipelines to transport the soil from the hopper to shore, for instance, in land reclamation projects

The measure of roundness or eccentricity of the inside wall of pipe

Drilled shafts, also referred to as drilled piers, caissons or bored piles, are deep foundation solutions used to support structures with large axial and lateral loads by excavating cylindrical shafts into the ground and filling them with concrete.

is a cutting process that uses a drill bit to cut or enlarge a hole of circular cross-section in solid material. There are four main methods for drilling rocks :percussion drilling, churn drilling, diamond drilling and rotary drilling

Double Random Length. 35 feet minimum average.