Surveying

Surveying

The science of accurately determining the terrestrial or three-dimensional position of geographical points and the distances and angles between them.

Industry: Construction

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Surveying

The channel of a river or stream and those portions of the flood plains adjoining the channel which are reasonably required to efficiently carry and discharge the peak flow of the regulatory flood of ...

floodplain

Construction; Surveying

Land immediately adjoining a stream which is inundated when the discharge exceeds the conveyance of the normal channel. The channel proper and the areas adjoining the channel which have been or ...

flap-gate

Construction; Surveying

A device that allows liquids to flow in only one direction in a pipe. Backflow preventers are used on outlet pipes to prevent a reverse flow during flooding situations.

filter strip

Construction; Surveying

Usually a long, relatively narrow area (usually 20-75 feet wide) of undisturbed or planted vegetation used to retard or collect sediment for the protection of watercourses, reservoirs, or adjacent ...

farm or field tile

Construction; Surveying

A small diameter clay pipe installed in an agricultural area to allow drainage or farmland.

excess rainfall

Construction; Surveying

The amount of rainfall that runs directly off an area.

exception

Construction; Surveying

From a title insurance policy, portions of the land containing encumbrances and in which free and clear title is subject to certain conditions. From a legal description, portions of land which are ...