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2. This Drain Mistake Could Be Costly - AOL

   www.aol.com/drain-mistake-could-costly-205600754...

   French drain installation typically costs between $500 and $18,000, depending on the scope of the project. The national average cost of French drains is $9,250 , according to Angi, a service that ...

3. French drain - Wikipedia

   en.wikipedia.org/wiki/French_drain

   French drain. A French drain[1] (also known by other names including trench drain, blind drain, [1] rubble drain, [1] and rock drain[1]) 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. The perforated pipe is called a weeping tile (also called a ...

4. Tile drainage - Wikipedia

   en.wikipedia.org/wiki/Tile_drainage

   Tile drainage. Tile drainage is a form of agricultural drainage system that removes excess sub-surface water from fields to allow sufficient air space within the soil, proper cultivation, and access by heavy machinery to tend and harvest crops. While surface water can be drained by pumping, open ditches, or both, tile drainage is often the most ...

5. Trench drain - Wikipedia

   en.wikipedia.org/wiki/Trench_drain

   Trench drain. A trench drain (also channel drain, line drain, slot drain, linear drain, or strip drain) is a specific type of floor drain containing a dominant trough- or channel-shaped body. It is used for the rapid evacuation of surface water or for the containment of utility lines or chemical spills. Employing a solid cover or grating that ...

6. Water supply and sanitation in France - Wikipedia

   en.wikipedia.org/wiki/Water_supply_and...

   [45] In 2003 the Association of French Departments estimated that the renewal of the water supply distribution infrastructure alone would require investments of 53 billion Euro from 2004 to 2015 to replace 535,000 km of pipes (about 65% of the entire network). This corresponds to an average of 4.4 billion Euro per year or 80 Euro/capita/year. [46]

7. Dry well - Wikipedia

   en.wikipedia.org/wiki/Dry_well

   A dry well receives water from entry pipes at its top. It can be used part of a broader stormwater drainage network or on smaller scales such as collecting stormwater from building roofs. It is used in conjunction with pretreatment measures such as bioswales or sediment chambers to prevent groundwater contamination. [6][2] The depth of the dry ...