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French drain |
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French drain [¦french ′drān] (civil engineering) An underground passage for water, consisting of loose stones covered with earth. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| TIP OF THE WEEK: To improve drainage over a large area of your yard or garden, install a French drain. Partners are already developing products from quarry dust waste and recycled plastics, inventing new gasification methods for treating soils contaminated with organic compounds, and studying the use of French drains to control potentially harmful runoff from roadways. A French drain consists of trenches that are lined with drainage cloth, filled with rock, and contain perforated piping with the holes at the four and eight o'clock position. |
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