No leak detection required.
313..2.1 just says install a fire sprinkler system per plumbing code or nfpa 13 d
As a contractor or designer, or even an interested homeowner, it is important to know and understand the requirements of NFPA 13D as there area a lot of variables that impact the proper design of a residential sprinkler system, which then needs to be installed in accordance with the design. You can read the various editions, depending which one is in effect in your jurisdiction for free, online at nfpa.org/13D.
An automatic shutoff valve for leak detection could only be installed on the domestic side of a typical sprinkler system. If a multipurpose system is being installed then NO automatic shutoff valve can be installed. A sprinkler activating would be detected as a leak and shut the water off in a fire.
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