I am working on a historic church sanctuary with a pitch of
approximately 28/12. The arrangement calls for branch lines to be
symmetrical on each side, similar to NFPA 13 (2002) figure
8.6.4.1.3.1(b). I can meet the requirements for the steeply pitched
roof section 8.6.4.1.3.3 and my "S" distance over the peak is good,
but my straight line distance between sprinklers would be less than 6
ft and the deflectors would be effectively pointing the discharge
towards the sprinkler on the opposite side. I think I have a problem
here, but I am not sure how to address it. Any thoughts?
Todd G. Williams, PE
Fire Protection Design/Consulting
Stonington, Connecticut
www.fpdc.com
860.535.2080
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