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Sprinkler Head Obstruction

Question asked by jsworks on Sep 19, 2019
Latest reply on Oct 2, 2019 by jsworks

My question references NFPA 13, 2010; please adjust as needed for later editions. Pages 13-76 & 13-77, Figures 8.11.5.3.2, 8.11.5.3.4, & 8.11.5.3.5. These show vertical & horizontal sprinkler head dimensions from free standing obstructions (i.e. obstructions not connected to ceilings or floors). The sprinkler heads shown are all down oriented. I have a condition where sprinkler heads are upright pendants with top deflectors. My question is: are these figures also applicable to upright pendant sprinkler heads?

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