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  2. Culvert - Wikipedia

    en.wikipedia.org/wiki/Culvert

    A culvert under the Vistula river levee and a street in Warsaw. Construction or installation at a culvert site generally results in disturbance of the site's soil, stream banks, or stream bed, and can result in the occurrence of unwanted problems such as scour holes or slumping of banks adjacent to the culvert structure.

  3. Flow device - Wikipedia

    en.wikipedia.org/wiki/Flow_device

    The culvert fence is made small enough to encourage the beavers to dam on it, but the resulting pond is prevented from rising to a dangerous level by a Pond Leveler Pipe installed through the culvert fence. The Fence and Pipe flow device needs very little maintenance and limits where and how high the beavers can dam; however, to be most ...

  4. Ohio and Erie Canal - Wikipedia

    en.wikipedia.org/wiki/Ohio_and_Erie_Canal

    Contracts were let for the following tasks: Grubbing and clearing, Mucking and ditching, Embankment and excavation, Locks and culverts, Puddling, and Protection. Initially, contractors in general proved to be inexperienced and unreliable. It was common for one job to receive 50 bids, many of them local to where the work was being performed.

  5. Storm drain - Wikipedia

    en.wikipedia.org/wiki/Storm_drain

    Storm drain grate on a street in Warsaw, Poland Storm drain with its pipe visible beneath it due to construction work. A storm drain, storm sewer (United Kingdom, U.S. and Canada), highway drain, [1] surface water drain/sewer (United Kingdom), or stormwater drain (Australia and New Zealand) is infrastructure designed to drain excess rain and ground water from impervious surfaces such as paved ...

  6. List of tunnels in the United States - Wikipedia

    en.wikipedia.org/wiki/List_of_tunnels_in_the...

    (four) Chesapeake and Ohio Canal National Historical Park road culverts under the Canal: # 1 (mile 1.3), near Canal Road NW and Foxhall Road NW, NW DC # 2 (mile 3.1), Abner Cloud house (a.k.a. Fletcher's Boat House), Canal Road NW south of Arizona Avenue NW, NW DC (# 3 and # 4 are in Maryland)

  7. Gravity sewer - Wikipedia

    en.wikipedia.org/wiki/Gravity_sewer

    Gravity sewer installation illustrating the significant excavation depth often required to maintain a favorable gradient. Gravity sewer flow as seen looking down into an open sanitary manhole. A gravity sewer is a conduit utilizing the energy resulting from a difference in elevation to remove unwanted water.

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