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 > (mailto:[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 (tel:860-535-2080) (ofc) > > > > 860-554-7054 (tel:860-554-7054) (fax) > > > > 860-608-4559 (tel: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]
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