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Warehouse Sprinkler Design w/Obstruction

Question asked by craig_doerfert on Jan 28, 2018
Latest reply on Jan 29, 2018 by cdafd

I have a high bay warehouse with an ESFR suppression system.  A few feet under the suppression system, there is a run of conduit approximately 4' wide.  I have been informed by FMGlobal I need to run sprinklers below the obstruction and meet a 4'x5' cover.  This seems a bit excessive and I can not find the requirements in NFPA.  Any guidance would be appreciated.