To design any water fire system, the following must be known and calculated:
1- Number of sprinklers used.
2- The distance between the sprinklers.
3- The amount of water needed and the flow rate.
4- Required.
5- Tank size.
6- Pipes size.
The number of sprinklers used and the distance between them are determined according to the degree of danger (the speed of the flame spread). The higher the degree of risk, the lower the distance between the sprinklers.
These systems are the most common and famous among the systems, as they are used in public institutions, roads, private property insurance, and military institutions with the aim of securing and following up the place to be protected first and foremost.
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The safety and validity of the alarm system and the adequacy of the electrical resources feeding it must be checked on an ongoing basis by testing the system on regular dates, with all persons inside the building informed of the dates of these experiments, provided that the devices return to their condition after the experiments.
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