a system intended to improve drainage around a pool or house foundation. Usually consists of a perforated pipe surrounded by gravel in a trench. The pipe has to slope away from the area to allow for drainage. If this not possible, a sump pump might be required.
Open drain located in the verge of the road, filled with a graded stone mix, used for primary filtration of runoff
a burried line of perforated pipe in a gravel field,
a ditch filled with gravel or a perforated pipe used to drain surface water
a ditch-like trench, filled with rock or gravel
a drain which looks like a trench, and is usually filled with stones and other stuff
a four-inch flexible pipe installed in the ground level with the footing of the foundation
a hole dug into the ground, and filled with a porous, or permeable, material such as gravel or sand
a large subterranean pit filled with gravel
a narrow trench set back from, but parallel to, the top of the bluff and filled with free-draining sand or gravel
an in-ground trench or pit that captures groundwater
a pit or trench located away from the house, filled with gravel or crushed rock
a small, sloping trench filled with gravel and sand that draws water away from the foundation of the home and eliminates the potential for mildew and mold
a trench filled with gravel, stone , tile etc
a trench that has a land drain installed at the bottom of the
an underground perforated pipe that removes subsurface water.
An underground passageway for water through the interstices among stones placed loosely in a trench.
A large hole or pit dug and refilled with loose gravel to absorb a very large volume of water without appearing to be a large pit.
A French drain is a draining system which uses perforated pipe and/or gravel to improve water run-off in low or wet areas of yards and landscape beds.
A drain consisting of a perforated pipe placed in a gravel-filled pit dug into an area previously filled with waste. Liquid waste is poured into the drain and allowed to permeate into the gravel and thence into the soil and fill material.
A small trench that allows surface water to drain away.
French drain refers to a ditch filled with gravel, rock that redirects surface and ground water away from an area. They are commonly used to prevent ground and surface water from penetrating or damaging building foundations.