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-2Dmechanical.com_&d=DwIGaQ&c=wn3mZQLIuInh2ClcJ0_DIA&r=Z_2A85VL7AQzoqudh6uOyS3bn8etxB7nLN8OBJwQd9A&m=QgdEeClG--ixhAlrzYXkB9w1GVgwdnHkcfh2xsZlbVU&s=m9niRfDrj2QzVwiLzgS0z9PaTLR67E2v662JDvbdOzA&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. 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