All, I am an AHJ and was called to inspect a installation for protection of carton record storage for a single- level catwalk. The existing ceiling level protection is an ESFR system. Section 20.5.6.2.1 states that ceiling sprinklers spaced to cover a maximum of 100 SF shall be standard response spray sprinklers with K-factors per Section 12.6. Is this explicitly stating that there can't be an ESFR system at the deck level (35 feet AFF) b/c of its fast response element? Does Section 12.6.6 make this permissible? Appreciate any feedback I can get.
Zach
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