"the right Sprinkler Head for the right job" in a Hallway of a hotel or apartment building most AHJ's will accept a residential head---or you can use a light hazard head.....
Residential Heads----react fast --- high wall wetting---- Prevent Flashover --- and give opportunity to Exit..... usually .05 gpm /sqft Light Hazard Quick Response .10 gpm /sqft a lot more water ....but is it Superior? ...for Life Safety? we started off with THIS quote "light hazard residential exposed “loft” space" hmmmm what is that? a Live Work unit? a painter? potter with kiln? or just a residence? Chuck Bamford SET On Fri, Mar 16, 2018 at 1:04 PM, Kyle.Montgomery <[email protected]> wrote: > Is that the general consensus? I've never really thought of residential > heads being far superior to commercial QR heads. I mean, we use residential > sprinklers all the time, but primarily because they are advantageous to us > in the types of buildings we are installing (4-head calc, better extended > coverage options, etc.). I guess I've always considered a residential > system to be more lenient (i.e. less water flow and pressure required) and > thus a "lower" level of protection than your standard light hazard system. > > If residential heads are actually providing a "higher" level of > protection, then why is it that quick response commercial heads can be used > in both residential and commercial occupancies, but that residential heads > may only be used in residential occupancies? > > -Kyle M > > -----Original Message----- > From: Sprinklerforum [mailto:[email protected]. > org] On Behalf Of [email protected] > Sent: Friday, March 16, 2018 11:17 AM > To: [email protected] > Subject: Re: [EXTERNAL] RE: Existing 3/4" outlets > > Kyle, if there is even a whiff of Residential about the occupancy the > listed res should be used because, along with the quick response, res heads > have a superior pattern, wetting not only the floor but high up on the > walls too (curtains, bookshelves, the curio cabinets full of Russian Shadow > Boxes, etc.) > > Brad. > > Quoting "Kyle.Montgomery" <[email protected]>: > > > Do you NEED residential heads, or can you just use any quick-response > > head? Even if it over-discharges, I wouldn't expect that to be a > > problem for the calcs since it was originally designed for OH 2. > > > > Why do you even need to change the heads? Are the existing K-8 heads > > standard response? > > > > -Kyle M > > > > -----Original Message----- > > From: Sprinklerforum > > [mailto:[email protected]] On Behalf Of > > Dewayne Martinez > > Sent: Friday, March 16, 2018 9:46 AM > > To: [email protected] > > Cc: Dewayne Martinez <[email protected]> > > Subject: [EXTERNAL] RE: Existing 3/4" outlets > > > > That’s a thought.....The problem is the original shell with 3/4" > > uprights with a pipe centerline of 12" below deck. No residential > > uprights in 3/4" > > and I thought residential pendant heads are not listed to be > > installed exposed? > > > > Dewayne Martinez > > Fire Protection Design Manager > > > > TOTAL Mechanical > > Building Integrity > > > > W234 N2830 Paul Rd. > > Pewaukee, WI 53072 > > [email protected] > > Ph: 262-522-7110 > > Cell: 414-406-5208 > > https://urldefense.proofpoint.com/v2/url?u=http-3A__www.total-2Dmechan > > ical.com_&d=DwIGaQ&c=wn3mZQLIuInh2ClcJ0_DIA&r=Z_2A85VL7AQzoqudh6uOyS3b > > n8etxB7nLN8OBJwQd9A&m=QgdEeClG--ixhAlrzYXkB9w1GVgwdnHkcfh2xsZlbVU&s=m9 > > niRfDrj2QzVwiLzgS0z9PaTLR67E2v662JDvbdOzA&e= > > > > > > -----Original Message----- > > From: Sprinklerforum > > <[email protected]> On Behalf Of Mike B > > Morey > > Sent: Friday, March 16, 2018 9:57 AM > > To: [email protected] > > Subject: Re: Existing 3/4" outlets > > > > You say bushing, I say sprinkler head extension less than 2" per 6.4.8? > > > > > > Mike Morey > > CFPS 3229 • NICET S.E.T. 123677 > > Project Manager • Fire Protection Group Shambaugh & Son, LP an EMCOR > > Company > > 7614 Opportunity Drive • Fort Wayne, IN • 46825 direct 260.487.7824 / > > cell > > 260.417.0625 / fax 260.487.7991 email [email protected] > > > > > > > > > > > > > > > > From: Dewayne Martinez <[email protected]> > > To: [email protected] > > Cc: Dewayne Martinez <[email protected]> > > Date: 03/15/2018 06:43 PM > > Subject: Existing 3/4" outlets > > Sent by: "Sprinklerforum" > > <[email protected]> > > > > > > > > > > BE ADVISED - This email originated outside EMCOR. > > > > > > I have a project that was originally designed as a OH II space that > > will now be turned into a light hazard residential exposed “loft” > > space. The existing ¾” K8.0 sprinklers over discharge like crazy. > > Can I bush the 3/4'” > > outlets down to ½” to use K5.6 sprinklers? If not any suggestions? > > > > > > > > Dewayne Martinez > > > > Fire Protection Design Manager > > > > > > > > *TOTAL* *Mechanical* > > > > *Building* *Integrity* > > > > > > W234 N2830 Paul Rd. > > Pewaukee, WI 53072 > > > > [email protected] > > > > Ph: 262-522-7110 > > > > Cell: 414-406-5208 > > > > https://urldefense.proofpoint.com/v2/url?u=http-3A__www.total-2Dmechan > > ical.com_&d=DwIGaQ&c=GKdB6-XpYq_0W-WluyVHtw&r=z4t2hrRBa-JsS06T4X_uuYOS > > JoclVWgSRO8Nq6TDdsg&m=B1gjGjTnf7-Ej9T8PcnuSRVFemMqu2U1aEPDQxrOPHo&s=Ru > > Z6bsVtOYaDGrG_UfPQiu-9SlgO6obtB79V-_fi8X8&e= > > > > > > [image: Consecutive Honors 2012-2017] > > -------------- next part -------------- An HTML attachment was > > scrubbed... > > URL: < > > https://urldefense.proofpoint.com/v2/url?u=http-3A__lists.firesprinkle > > r.org_private.cgi_sprinklerforum-2Dfiresprinkler.org_attachments_20180 > > 315_41e14879_attachment.html&d=DwIGaQ&c=GKdB6-XpYq_0W-WluyVHtw&r=z4t2h > > rRBa-JsS06T4X_uuYOSJoclVWgSRO8Nq6TDdsg&m=B1gjGjTnf7-Ej9T8PcnuSRVFemMqu > > 2U1aEPDQxrOPHo&s=6cdt-sQIacSh7qM78kH-MF2ygexAPpze5AppEvB6NWY&e= > >> > > -------------- next part -------------- A non-text attachment was > > scrubbed... > > Name: image001.jpg > > Type: image/jpeg > > Size: 8202 bytes > > Desc: not available > > URL: < > > https://urldefense.proofpoint.com/v2/url?u=http-3A__lists.firesprinkle > > r.org_private.cgi_sprinklerforum-2Dfiresprinkler.org_attachments_20180 > > 315_41e14879_attachment.jpg&d=DwIGaQ&c=GKdB6-XpYq_0W-WluyVHtw&r=z4t2hr > > RBa-JsS06T4X_uuYOSJoclVWgSRO8Nq6TDdsg&m=B1gjGjTnf7-Ej9T8PcnuSRVFemMqu2 > > U1aEPDQxrOPHo&s=b2vPc9rxHD40k3ZkHc9JYKjhqeCngJKY6_kzQNoy5EM&e= > >> > > _______________________________________________ > > Sprinklerforum mailing list > > [email protected] > > https://urldefense.proofpoint.com/v2/url?u=http-3A__lists.firesprinkle > > r.org_listinfo.cgi_sprinklerforum-2Dfiresprinkler.org&d=DwIGaQ&c=GKdB6 > > -XpYq_0W-WluyVHtw&r=z4t2hrRBa-JsS06T4X_uuYOSJoclVWgSRO8Nq6TDdsg&m=B1gj > > GjTnf7-Ej9T8PcnuSRVFemMqu2U1aEPDQxrOPHo&s=eLw-8Ymu6_DIM_XseIvcGIrkA6vC > > iJ168TukvdOr5j4&e= > > > > > > > > > > This message is for the named person's use only. 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