Isn't the S distance measured along the slope and the spacing between sprinklers on the lines measured on the flat plane of the floor? So, if you have 12' spacing doesn't this make the S dimension 28' (in this example)?
Garth ----- Original Message ----- From: "Todd Williams - FPDC" <[EMAIL PROTECTED]> To: <[email protected]> Sent: Friday, May 23, 2008 11:29 AM Subject: steep pitch roofs > 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 > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum > > To Unsubscribe, send an email to:[EMAIL PROTECTED] > (Put the word unsubscribe in the subject field) > _______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum To Unsubscribe, send an email to:[EMAIL PROTECTED] (Put the word unsubscribe in the subject field)
