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The hydraulic calculation procedure is defined in the applicable reference model codes such as that published by the US-based National Fire Protection Association (NFPA), [2] or the EN 12845 standard, Fixed firefighting system – Automatic sprinkler systems – Design, installation and maintenance. [3]
A landscape irrigation system may also include zones containing drip irrigation, bubblers, or other types of equipment besides sprinklers. Although manual systems are still used, most lawn sprinkler systems may be operated automatically using an irrigation controller, sometimes called a clock or timer.
Sprinkler irrigation [3] sprays water onto the land. Sprinklers spread water in an equal balance. It decreases labor costs and saves up to 20%–40% in water supply. It can be applied to any soil that helps to increase crop production. A wide variety of sprinklers available in the market; one can choose carefully from the best of sprinkler systems.
A fire sprinkler mounted on a ceiling. A fire sprinkler or sprinkler head is the component of a fire sprinkler system that discharges water when the effects of a fire have been detected, such as when a predetermined temperature has been exceeded. Fire sprinklers are extensively used worldwide, with over 40 million sprinkler heads fitted each year.
Thompson was born into a middle-class family in Louisville, Kentucky, the first of three sons of Virginia Davison Ray (1908, Springfield, Kentucky – March 20, 1998, Louisville), who worked as head librarian at the Louisville Free Public Library and Jack Robert Thompson (September 4, 1893, Horse Cave, Kentucky – July 3, 1952, Louisville), a public insurance adjuster and World War I veteran. [6]