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  • Users: mattyd723
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  1. mattyd723

    NFPA 13 with Residential Sprinklers

    NFPA 13 (2013) Figure 11.3.1.1(a) has always seemed ambiguous to me because it does not consider how the sprinkler heads are fed. What do they mean by adjacent in 11.3.1.1? Adjacent with respect to fire areas or adjacent on a branch line? I wrestle with this one frequently. Please have a...
  2. mattyd723

    NFPA 13D & Nonresidential Sprinkler Heads

    In some situations it is better to run exposed steel pipe with upright sprinklers than with pendent sprinklers because the uprights are less susceptible to damage. This has always challenged me because in 15 years of designing sprinkler systems, I have not yet seen or heard of a residential...

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