I'm design a terminal OH2 and height of sprinkler head in one part of grid is up to 9.7 m! How can I proceed? May be to upgrade at HH1?
I'm not an expert on this, but I would say you could just use standard (CMDA) sprinklers. According to NFPA 13:2019, table 21.3 these can be used up to 35 ft (10,7 m) building height. I know this table is for storage application, but such height is allowable for storage, I would say, it's also for non-storage. NFPA 415 gives no additional requirements on this.
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