Are ESFR heads provided below obstructions required to be calculated in addition to, in lieu of, or ignored when compared against the 12 (three rows of four sprinklers) included in the hydraulic calculations?
I haven't designed an ESFR system in ten years and it looks like the new verbiage seems to suggest that sprinklers below obstructions are not included in the calculations. Thanks in advance!
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PE PREP SERIES