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1. A standpipe or elevated tank used as a reservoir or for maintaining equal pressure in a water system.
2. A firefighting apparatus for lifting hoses to the upper levels of a tall structure.
(Civil Engineering) a reservoir or storage tank mounted on a tower-like structure at the summit of an area of high ground in a place where the water pressure would otherwise be inadequate for distribution at a uniform pressure
1. a hollow vertical structure into which water is pumped high enough to maintain pressure required for firefighting, distribution, etc.
2. a fire-extinguishing apparatus for throwing a stream of water on the upper parts of a tall burning building.