Overtopping definition

Overtopping means an event that occurs when the pool or stream elevation exceeds the elevation of the top of a dam or levee.
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Overtopping means the flow of water over parts of a dam which are not part of its spillway system.
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Examples of Overtopping in a sentence

  • Deliverables: • Overtopping erosion calculations (to be included in DDR).

  • Additional Overtopping Scour Protection Analysis [New Task – Complete] HDR completed additional analysis based on SAR review of the 65% submittal related to: • Overtopping erosion near STA 15+00 per comment 10 by the SAR.

  • The growing height of the dam, and the increasing volume were in progress, and they differed mainly in how far they had progressed down their respective failure pathways.’ Overtopping over several portions of the perimeter embankment of the tailings dam first occurred in May 2014.

  • Overtopping was evaluated using water surface elevations and durations from the overtopping flood event in the HEC-RAS 2-D hydraulic model for full buildout Project conditions.

  • Embankment Overtopping If the water in the reservoir is no longer rising, place sandbags along the low areas of the top of the dam to control wave action, reduce the likelihood of flow concentration during minor overtopping, and to safely direct more water through the spillway.

  • Overtopping – maximum depth of less than 0.3m in a 1:100 year rated flood.

  • Probability of Overtopping Storage Facility Expressed another way, the impacts on storage capacity would be such that the probability of overtopping an existing storage facility designed to handle a 100-year event would be increased by a factor of two for an increase in rainfall intensities of 5%.