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  2. French drain - Wikipedia

    en.wikipedia.org/wiki/French_drain

    The earliest forms of French drains were simple ditches that were pitched from a high area to a lower one and filled with gravel. These may have been invented in France, [3] but Henry Flagg French (1813–1885) of Concord, Massachusetts, a lawyer and Assistant U.S. Treasury Secretary, described and popularized them [4] in Farm Drainage (1859). [5]

  3. 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 ...

  4. Percolation trench - Wikipedia

    en.wikipedia.org/wiki/Percolation_trench

    Percolation Trench. A percolation trench, also called an infiltration trench, is a type of best management practice (BMP) that is used to manage stormwater runoff, prevent flooding and downstream erosion, and improve water quality in an adjacent river, stream, lake or bay.

  5. Basement waterproofing - Wikipedia

    en.wikipedia.org/wiki/Basement_waterproofing

    A French drain, PVC pipe, or other drainage system is installed in the newly made channel. The installed drain is covered with new cement. The installed drain is covered with new cement. The drainage system collects any water entering the basement and drains it to an internally placed sump pump system, which will then pump the water out of the ...

  6. Henry F. French - Wikipedia

    en.wikipedia.org/wiki/Henry_F._French

    Henry Flagg French was born in Chester, Rockingham County, New Hampshire, on August 14, 1813, to the Honorable Daniel French (1769–1840), who was attorney general of New Hampshire [2] and Sarah Wingate Flagg Bell French (1782–1878). He died November 29, 1885, in Middlesex County, Concord, Massachusetts.

  7. Drainage - Wikipedia

    en.wikipedia.org/wiki/Drainage

    Point drainage, which intercepts water at gullies (points). Gullies connect to drainage pipes beneath the ground surface, so deep excavation is required to facilitate this system. Support for deep trenches is required in the shape of planking, strutting or shoring. Channel drainage, which intercepts water along the entire run of the channel.

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