I love this. Two responses 180 degrees out. I think I described why I’d go with the sprinkler listing. Nick, why do think the element type supersedes the sprinkler listing?
On Thu, Feb 15, 2018 at 3:04 PM Ron Greenman <[email protected]> wrote: > The confusion is as is often the case the words. That standard response > being used for both element and sprinkler listing creates an equivalency in > ones head. I’d argue that the fast response element is often found in > sprinklers listed as standard resonate but a standard response element is > never found in a quick response sprinkler. I’d argue the listing of the > sprinkler in the application is driver and that you have a compartment in > which all the sprinklers need to be standard response per the rules of > their listing(s). > > On Thu, Feb 15, 2018 at 2:28 PM Ed Kramer <[email protected]> wrote: > >> Reference section 8.3.3.2 of the 2013 edition of NFPA 13: “Where QR >> sprinklers are installed, all sprinklers within a compartment shall be >> quick-response unless otherwise permitted in 8.3.3.3.” Section 8.3.3.3 >> isn’t applicable for this question. >> >> >> >> I’m protecting an OH II sales area with EC sprinklers spaced (mostly) at >> 18’x18’. This particular sprinkler is listed as SR at that spacing, but is >> listed as QR for 14’x14’ and smaller spacing. This sales area has a small >> 20 sf nook (not a separate compartment) that requires an additional >> sprinkler. My intent is to protect that nook with a K5.6 sprinkler. >> >> >> >> Should the K5.6 sprinkler be SR or QR? >> >> >> >> The answer is probably SR since the EC sprinklers are installed at a >> spacing that has a SR listing. But that would be mixing a >> standard-response element with a fast-response element – something I’ve >> been led to believe is not cool. >> >> >> >> The 2016 flavor of NFPA 13 has a new section 8.3.3.5 that allows mixing a >> SR listing with a QR listing as long as it’s the same sprinkler (and >> therefor both have the same fast-response element). >> >> >> >> Anybody want to give their 2 cents? >> >> >> >> *Ed Kramer* >> >> Bamford Fire Sprinkler Co., Inc. >> >> 5134 Merriam Dr./Shawnee Mission, KS 66203 >> >> Phone: 913-432-6688 Fax: 913-432-5294 Cell: 785-766-4894 >> >> [email protected] >> >> >> _______________________________________________ >> Sprinklerforum mailing list >> [email protected] >> >> http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org >> > -- > Sent from Gmail Mobile > -- Sent from Gmail Mobile
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