bn:03444714n
Noun Concept
Categories: Drainage, Hydraulic structures, archived copy as title, Environmental engineering, Stormwater management
EN
French drain  "ag pipe"  Ag pipe  drainage pit  french ditch
EN
A French drain is a trench filled with gravel or rock, or both, with or without a perforated pipe that redirects surface water and groundwater away from an area. Wikipedia
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EN
A French drain is a trench filled with gravel or rock, or both, with or without a perforated pipe that redirects surface water and groundwater away from an area. Wikipedia
A system that redirects surface water and groundwater away from an area Wikipedia Disambiguation
Sub-surface drainage system Wikidata
A shallow trench, perhaps lined with tile or containing a perforated pipe, backfilled with gravel and then covered over, used to collect and channel runoff water. Wiktionary
IS A