Fast response elements do not universally equate to quick response sprinklers.
https://www.vikinggroupinc.com/sites/default/files/documents/Automatic%20Sprinkler%20Thermal%20Sensitivity.pdf On Tue, Sep 27, 2022 at 10:58 AM Matthew J Willis <[email protected]> wrote: > Todd, > > > > What are you protecting? > > > > The wording for extending one hazard into another is a sufficient heat > barrier. > > > > You may be chasing rabbits. > > > > R/ > > Matt > > > > > > *Matthew J. Willis, CWBSP* > > Design Manager > > > > *Rapid Fire Protection, Inc.* > > 600 E. Carlson St. Suite AB | Cheyenne, WY. 82009 > > Office (307) 426-4077 ext. 404 > > Direct (307) 316-6630 > > Cell (605) 391-2733 > > > > > > *From:* Fpdcdesign <[email protected]> > *Sent:* Tuesday, September 27, 2022 11:04 AM > *To:* Discussion list on issues relating to automatic fire sprinklers < > [email protected]> > *Subject:* [Sprinklerforum] Re: Adding sprinklers to system with mixed > SR/QR listing > > > > Compartment does not apply here. > > > > The conclusion I and coming to is that we need to closely match the RTI of > the new sprinklers to the RTI of the EC sprinkler, regardless of how the > latter is listed. > > > > > > > On Sep 27, 2022 at 8:15 AM, <Sean Conlin > <[email protected]>> wrote: > > If the EC sprinkler used is listed as QR in its current application, then > the new area of work has to use QR unless the area of work is located in a > separate compartment. Check the definition of compartment to see if the > soffit you mention can work for you. > > > > Regards, > > > > Sean W Conlin > > Demand Sprinkler Design Inc. > > 37 Summerfield Crescent > > Brampton, ON L6X 4K4 > > P: 905 216-0922 > > > > > > On Sep 26, 2022, at 12:42 PM, Fpdcdesign <[email protected]> wrote: > > > > I am working on to an addition to an existing system that has Tyco EC-11 > pendent sprinklers. According to the data sheet, these sprinklers may be QR > in some circumstances and SR in others. The addition I am working on will > be using standard coverage sprinklers. The space is open to the area with > the EC-11 sprinklers but separated by a deep soffit. The design of the > EC-11 is such that they are considered standard response by the listing. > The obvious question is QR or SR for the new sprinklers? I am assuming QR > because that is closer to the response time of the EC-11s despite the SR > listing, but I am being questioned on this. Thoughts? > > > > Todd G Williams, PE > > Fire Protection Design/Consulting > > Stonington, CT > > 860-535-2080 (ofc) > > 860-554-7054 (fax) > > 860-608-4559 (cell) > > > _________________________________________________________ > SprinklerForum mailing list: > https://lists.firesprinkler.org/list/sprinklerforum.lists.firesprinkler.org > To unsubscribe send an email to > [email protected] > > _________________________________________________________ SprinklerForum > mailing list: > https://lists.firesprinkler.org/list/sprinklerforum.lists.firesprinkler.org > To unsubscribe send an email to > [email protected] > > > _________________________________________________________ > SprinklerForum mailing list: > https://lists.firesprinkler.org/list/sprinklerforum.lists.firesprinkler.org > To unsubscribe send an email to > [email protected] >
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