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  2. Puddling (civil engineering) - Wikipedia

    en.wikipedia.org/wiki/Puddling_(civil_engineering)

    Puddle has to be kept wet in order to remain waterproof so it is important for canals to be kept filled with water. The clay is laid down with a tool called a 'punner', or 'pun', a large rectangular block on a handle about 5 feet (1.5 m) long, or trodden down, or compacted by some other means (e.g. by an excavator using the convex outside of ...

  3. Damp proofing - Wikipedia

    en.wikipedia.org/wiki/Damp_proofing

    Rising damp is the effect of water rising from the ground into property. [3] The damp proof course may be horizontal or vertical. [4] A DPC layer is usually laid below all masonry walls, regardless if the wall is a load bearing wall or a partition wall. A damp-proof membrane (DPM) is a membrane material applied to prevent moisture transmission.

  4. W. Kerr Scott Dam and Reservoir - Wikipedia

    en.wikipedia.org/wiki/W._Kerr_Scott_Dam_and...

    The W. Kerr Scott Dam and Reservoir is a 1,475-acre (5.97 km 2) artificial lake impounded by a dam located in Wilkes County, North Carolina. [2] It is located on the Yadkin River system, and is operated and managed by the U.S. Army Corps of Engineers.

  5. Yadkin River - Wikipedia

    en.wikipedia.org/wiki/Yadkin_River

    Water supplies for many communities in North and South Carolina are taken from the Yadkin-Pee Dee and during drought years the division of the water is a contentious issue. [ citation needed ] The Mitchell River was impacted in the 1980s by massive runoff of sediment from land clearing at the Olde Beau development.

  6. Roller dam - Wikipedia

    en.wikipedia.org/wiki/Roller_dam

    A short wall, lip, or parabolic channel is constructed on the downstream side of the dam parallel to the dam face. As the water pouring over the dam hits this baffle, it is reflected toward the dam face, creating a continual "rolling" action at the foot of the dam; hence the name "Roller Dam".

  7. Reservoir safety - Wikipedia

    en.wikipedia.org/wiki/Reservoir_safety

    The dam inadequately bonded to the underlying rock allowing seepage under the dam wall resulting in erosion and undercutting of the dam. Insufficient geological surveying pre-construction allowing water to seep out at a location away from the dam and erode a new discharge channel.

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