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  2. Flood barrier - Wikipedia

    en.wikipedia.org/wiki/Flood_barrier

    A flood barrier, surge barrier or storm surge barrier is a specific type of floodgate, designed to prevent a storm surge or spring tide from flooding the protected area behind the barrier. A surge barrier is almost always part of a larger flood protection system consisting of floodwalls , levees (also known as dikes), and other constructions ...

  3. Hesco bastion - Wikipedia

    en.wikipedia.org/wiki/Hesco_bastion

    The Concertainer, [1] known colloquially as the Hesco barrier [2] or Hesco bastion, [3] with HESCO being the brand name of the manufacturer, is a modern gabion primarily used for flood control and military fortifications. [4]

  4. Flood management - Wikipedia

    en.wikipedia.org/wiki/Flood_management

    A flood barrier, surge barrier or storm surge barrier is a specific type of floodgate, designed to prevent a storm surge or spring tide from flooding the protected area behind the barrier. A surge barrier is almost always part of a larger flood protection system consisting of floodwalls , levees (also known as dikes), and other constructions ...

  5. Floodgate - Wikipedia

    en.wikipedia.org/wiki/Floodgate

    height = the height of a non-submerged flood gate from the bottom of the water column to the water surface measured in metres. If the rectangular flood gate is submerged below the surface the same equation can be used but only the height from the water surface to the middle of the gate must be used to calculate the force on the flood gate.

  6. Ha-ha - Wikipedia

    en.wikipedia.org/wiki/Ha-ha

    Comparison of a ha-ha (top) and a regular wall (bottom). Both walls prevent access, but one does not block the view looking outward. A ha-ha (French: hâ-hâ [a a] ⓘ or saut de loup [so də lu] ⓘ), also known as a sunk fence, blind fence, ditch and fence, deer wall, or foss, is a recessed landscape design element that creates a vertical barrier (particularly on one side) while preserving ...

  7. IHNC Lake Borgne Surge Barrier - Wikipedia

    en.wikipedia.org/wiki/IHNC_Lake_Borgne_Surge_Barrier

    Construction of the barrier's flood wall began on 9 May 2009. On 21 October 2009 the last of the 1,271 main piles was driven. [3] On 29 August 2012 (the seventh anniversary of Hurricane Katrina), the barrier was used for the first time, to protect the city from Hurricane Isaac. [4] By June 2013, all major construction had been completed. [1]

  8. What do all these flood alerts mean? What your phone is ... - AOL

    www.aol.com/flood-alerts-mean-phone-trying...

    A Flash Flood Warning is issued when a flash flood is imminent or occurring. If you are in a flood prone area move immediately to high ground. A flash flood is a sudden violent flood that can take ...

  9. Flood opening - Wikipedia

    en.wikipedia.org/wiki/Flood_opening

    Most regulatory authorities in the United States that offer requirements for flood openings define two major classes of opening: [1] engineered, and non-engineered. The requirements for non-engineered openings are typically stricter, defining necessary characteristics for aspects ranging from overall size of each opening, to allowable screening or other coverage options, to number and ...

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