Yes. Sent from my iPhone
On Jul 12, 2013, at 10:25 AM, <[email protected]> wrote: > But what if the underground is a loop and has section valves plus the riser > valves? The Phoenix Fire Dept. makes us put a FDC on each manifold instead of > at the fire pump. The pump supplies the underground loop for the entire > building with multiple lead ins. There are sectional gate valves in the loop, > there is a gate valve in each underground leadin, and there are gate valves > in each riser on a manifold. Phoenix says we can't have any gate valves > between the FDC and the "system" gate valves. They read 8.17.2.4.3 and stop > there. As far as the PFD is concerned 8.17.2.4.4 doesn't apply. > > What do you guys think? Can there be multiple gate valves between the FDC and > sprinkler systems? > > Ron F > > -----Original Message----- > From: [email protected] > [mailto:[email protected]] On Behalf Of Charles > Thurston > Sent: Thursday, July 11, 2013 3:27 PM > To: [email protected] > Subject: Re: FDC Arrangement > > Hello All, > > I tend to use these for these situations 8.17.2.4.4 is the key to them. > > 8.17.2.4.2 For single systems, the fire department connection shall be > installed as follows: > > (1) Wet system - on the system side of system control, check, and alarm > valves (see Figure A.8.16.1.1) > (2) Dry system - between the system control valve and the dry pipe valve > (3) Preaction system - between the preaction valve and the check valve on > the system side of the preaction valve > (4) Deluge system - on the system side of the deluge valve > > 8.17.2.4.3 For multiple systems, the fire department connection shall be > connected between > the supply control valves and the system control valves. > > 8.17.2.4.4* The requirements of 8.17.2.4.2 and 8.17.2.4.3 shall not apply > where the fire department connection is connected to the underground piping. > > > > > > > -- > Best regards, > Charles mailto:[email protected] > > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org > > > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org _______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org
