【Daily Question】Utilities - Water Supply and Drainage - 20191222
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A certain underground garage is equipped with a pre-action automatic sprinkler system, and it has 1,388 sprinklers in total; therefore, this building requires ( ) alarm valves. A.1 B.2 C.3 D.4 Answer: B is the correct answer. According to Article 6.2.3 of the current Code for Design of Automatic Sprinkler Systems, the number of sprinklers controlled by one alarm valve assembly in a pre-action system should not exceed 800. In this case, there are 1,388 sprinklers, and since a pre-action system is to be used, option B is chosen.
B. According to Article 6.2.3 of GB 500841 \"Code for Fire Protection Design of Automatic Sprinkler Systems\", the number of sprinklers controlled by one alarm valve assembly in a pre-action system should not exceed 800. In this case, there are 1388 sprinklers, so option B is correct.