Hydro dam

Hydro dam

Industry: Energy

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Hydro dam

normal reservoir level

Energy; Hydro dam

For a reservoir with a fixed overflow sill the lowest crest level of that sill. For a reservoir whose outflow is controlled wholly or partly by moveable gates, siphons or other means, it is the ...

gate chamber

Energy; Hydro dam

A room from which a gate or valve can be operated, or sometimes in which the gate is located.

minimum operating level

Energy; Hydro dam

The lowest level to which the reservoir is drawn down under normal operating conditions. The lower limit of active storage.

dead storage

Energy; Hydro dam

The storage that lies below the invert of the lowest outlet and that, therefore, cannot readily be withdrawn from the reservoir.

An instrument for measuring pressure within a mass of soil, rock, or concrete or at an interface between one and the other. These inlcude Gloetzl cell, Carlson Load cell, vibrating-wire gauges, flat ...

crack monitors

Energy; Hydro dam

Instruments that measure movements transverse and along a joint or crack.

earthquake, maximum design (MDE)

Energy; Hydro dam

A postulated seismic event, specified in terms of specific bedrock motion parameters at a given site, which is used to evaluate the seismic resistance of manmade structures or other features at the ...