- Branche: Government
- Number of terms: 10940
- Number of blossaries: 0
- Company Profile:
The flood flow above which the incremental increase in downstream water surface elevation due to failure of a dam or other water impounding structure is no longer considered to present an unacceptable threat to downstream life or property. The flood hydrograph used in the design of a dam and its appurtenant works particularly for sizing the spillway and outlet works and for determining maximum storage, height of dam, and freeboard requirements.
Industry:Energy
An energy dissipater located at the downstream end of a spillway and shaped so that water flowing at a high velocity is deflected upwards in a trajectory away from the foundation of the spillway.
Industry:Energy
Average height of the one-third highest individual waves. May be estimated from wind speed, fetch length, and wind duration.
Industry:Energy
The maximum height from natural ground surface to the top of a dam.
Industry:Energy
A concrete filled trench or pad encompassing all grout lines constructed to impede surface leakage and to provide anchorage for grout connections.
Industry:Energy
Measures the movement of a concrete dam due to applied reservoir water pressures and temperature changes. Installations consist of a formed shaft, suspension assembly, wire, plumb bob, dash pot and reading stations.
Industry:Energy
The elevation that a water surface would assume if all wave actions were absent.
Industry:Energy
An activity designed to promote emergency preparedness; test or evaluate EAPs, procedures, or facilities; train personnel in emergency management duties; and demonstrate operational capability. Exercises consist of the performance of duties, tasks, or operations very similar to the way they would be performed in a real emergency. However, the exercise performance is in response to a simulated event.
Industry:Energy
Negative impacts that may result from the failure of a dam. The primary concerns are loss of human life, economic loss (including property damage), lifeline disruption, and environmental impact.
Industry:Energy
