Is this a duplex or does the local authority require the 5 gpm? 13D only requires it if you have more than one dwelling unit and not for a common supply line feeding both domestic and the fire sprinkler system.
On Wed, Aug 3, 2016 at 3:28 PM, Bruce Verhei <[email protected]> wrote: > I'm going to cross from application of current standards to comment on > standards. > > I've seen 13-D, and 13-R, operate a number of times well outside original > design criteria, and alway successfully. By successful, living spaces > stayed survivable. There may have been considerable fire outside the unit, > and attic may have been fully involved. > > I wonder where water source is municipal, effectively unlimited, source we > should just accept that some times the clothes washer or lawn sprinklers > are on. > > Are a flow switch and 120V alarm, installed, cheaper than $600? > > > > On Aug 3, 2016, at 15:02, Bruce Verhei <[email protected]> wrote: > > I sure wouldn't want a solenoid valve cutoff, listed or not. > > When the grid is down I still enjoy the use of modern plumbing supplied by > a municipal water system. Take it away every time power is off for a day > or two and solenoid valve would be disabled or removed by owners. > > Mechanical valve is best for a reason. > > Best > > Bruce Verhei > > On Aug 3, 2016, at 11:25, <[email protected]> <[email protected]> > wrote: > > Or use a solenoid valve that is energized open and let the flow switch > break the circuit. If/when the valve fails, it *will* get fixed. > > > > Mark at Aero > > 602 820-7894 > > > > *From:* Sprinklerforum [ > mailto:[email protected] > <[email protected]>] *On Behalf Of *Steve > Leyton > *Sent:* Wednesday, August 03, 2016 10:57 AM > *To:* [email protected] > *Subject:* RE: Solenoid Valve for domestic side of 13D system riser > > > > What’s easier, more cost-effective and (most important) more failsafe and > reliable in light of the fact that this product will NEVER be ITM’d after > it’s installed? I assume you’re designing to an undersized meter. > Either get relief from the water agency to add the 5 GPM to the > intermittent flow rate of the sprinklers (as opposed to the continuous flow > for which the meter is rated) or have the owner bite the bullet and buy a > larger meter? > > > > I’m sure there are people who will disagree with me, but relying on an > electrical device that is not subject to regular exercise or inspection > isn’t my idea of reliable. > > > > SL > > > > *From:* Sprinklerforum [ > mailto:[email protected] > <[email protected]>] *On Behalf Of *Owen > Evans > *Sent:* Wednesday, August 03, 2016 10:45 AM > *To:* [email protected] > *Subject:* Re: Solenoid Valve for domestic side of 13D system riser > > > > Hi Don, > > > > Thanks for responding. I checked out the RSV-1 from Tyco and the list > price is $1,000.00. I about fell out of my chair. It is on the sprinkler > riser with a branch off to the domestic. When fire sprinklers flow the > pressure change causes the valve to shut off the domestic. It is > non-electric, maybe that is why it is so expensive. It has been years but > the one I have seen was a simple solenoid valve that is attached to the > domestic water and simply closes when it receives an electric current from > the activated flow switch. HELP anybody! > > > > Owen Evans > > -----Original Message----- > From: Don Casey <[email protected]> > To: sprinklerforum <[email protected]> > Sent: Wed, Aug 3, 2016 10:20 am > Subject: RE: Solenoid Valve for domestic side of 13D system riser > > Check out Tyco’s RSV-1 valve > > > > *From:* Sprinklerforum [ > mailto:[email protected] > <[email protected]?>] *On Behalf Of *Owen > Evans > *Sent:* 2016/08/03 1:17 PM > *To:* [email protected] > *Subject:* Solenoid Valve for domestic side of 13D system riser > > > > Hello Folks, > > > > Anybody have a source in southern California where I can get a 1" electric > solenoid valve to shut off domestic flow (activated by the flow switch)? > This is so I can eliminate the 5 gpm from the 13D calculations. > > > > Thank you, > > Owen Evans > > _______________________________________________ > 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 > >
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