Depending on the building, I calculated 3 in the remote compartment (a Marriott 13R 4 stories) but also included 5 spkrs in the corridor as it served non-dwelling areas also (NFPA #13 2002, 11.2.3.3.6)
On Fri, May 28, 2010 at 3:23 PM, David Blackwell <[email protected]> wrote: > Note Roland states "Could": Depending on circumstances [and how > knowledgeable the AHJ is in hydraulics], you may need to submit both a 1 > head and a multi-head calculation to prove to the AHJ what is the most > demanding. > > > > David W. S. Blackwell, II, PE, CFI-I, CFPE > Engineering > ---------------------------------------------------------------- > Office of State Fire Marshal > 141 Monticello Trail > Columbia, SC 29203 > Phone: 803.896.9833 > Fax: 803.896.9806 > Email: [email protected] > OSFM Website: http://www.llr.state.sc.us/firemarshal.asp > ---------------------------------------------------------------- > > > -----Original Message----- > From: [email protected] > [mailto:[email protected]] On Behalf Of Roland > Huggins > Sent: Friday, May 28, 2010 3:17 PM > To: [email protected] > Subject: Re: How Many Heads to calc for 13D & 13R > > 13D says ALL sprinklers in the compartment UP to a maximum of two > sprinklers. > 13R says the same but up to a maximum of four. > So it could be a single sprinkler calculation for either. > > Roland > > On May 28, 2010, at 11:39 AM, Richardson, R wrote: > > > I had always thought that both NFPA 13R and 13D required a minimum > > two head calculation. > > > > For various reasons we were actually reading it today and notice > > that there does not appear to be a minimum number of heads to calc, > > just calc. how many heads are in a compartment. > > > > We have an apartment whose units have 1 head per compartment, is it > > acceptable to do a 1 head calc for 13R? > > > > Thanks, > > > > Rich Richardson > > Seattle Fire Department > > > > > > _______________________________________________ > > Sprinklerforum mailing list > > [email protected] > > http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum > > > > For Technical Assistance, send an email to: [email protected] > > > > To Unsubscribe, send an email > to:[email protected]<to%[email protected]> > > (Put the word unsubscribe in the subject field) > > > > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum > > For Technical Assistance, send an email to: [email protected] > > To Unsubscribe, send an email > to:[email protected]<to%[email protected]> > (Put the word unsubscribe in the subject field) > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum > > For Technical Assistance, send an email to: [email protected] > > To Unsubscribe, send an email > to:[email protected]<to%[email protected]> > (Put the word unsubscribe in the subject field) > -- Tom Poisal, CET _______________________________________________ Sprinklerforum mailing list [email protected] http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum For Technical Assistance, send an email to: [email protected] To Unsubscribe, send an email to:[email protected] (Put the word unsubscribe in the subject field)
