Good day, are there any requirements for the NFPA13 to place the ESFR sprinklers for the local zones along with other types of sprinklers (standart response) on the same wet alarm valve or cross mains?
No you can have as many risers as you want. May cost a little more.
Is that your question? And yes you can have esfr and standards on the same riser.
Now if your question is distance separation between esfr and standard, that is a different question.
Thanks a lot.
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