How do you prove the designer did it to balance flow? 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)
> > On Apr 19, 2021 at 2:31 PM, <Travis Mack via Sprinklerforum > (mailto:[email protected])> wrote: > > > > I've had it come up in a review before. An AHJ was arguing with me that I > couldn't have a 5.6k sprinkler in an alcove and then EC sprinklers in the > corridor. Just ran into similar, but in a very large compartment for a > project I am reviewing. Technically, I believe the designer is using it to > balance the flow here, but I also think you can put the smaller orifice under > a soffit. If I recall, there was a picture in the annex that showed that > exact scenario of sprinklers in a high ceiling as ex cov and sprinklers in a > low soffit as ssp. I'm hoping to find for reference to help this project. > Travis Mack, CFPS, CWBSP, RME-G, COC, SET Engineering Manager MFP Design > 3356 E Vallejo Ct Gilbert, AZ 85298 (x-apple-data-detectors://6/0) > 480-505-9271 ext. 700 (tel:480-505-9271;700) C: 480-272-2471 > (tel:480-272-2471) [email protected] > (mailto:[email protected])<mailto:[email protected]> > www.mfpdesign.com (http://www.mfpdesign.com)<http://www.mfpdesign.com> Sen d large files to us via: https://www.hightail.com/u/MFPDesign<https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.hightail.com%2Fu%2FMFPDesign&data=02%7C01%7C%7C1121d49f9e6b4cf248f108d4df580e77%7C14e5497c16da42e69ffa77d19bafe511%7C0%7C0%7C636379016677342180&sdata=eGdMZGu2wXhUupGwgGTrqF3b54OP5%2BAZvlHhABSexWY%3D&reserved=0> (https://www.hightail.com/u/MFPDesign%3Chttps://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.hightail.com%2Fu%2FMFPDesign&data=02%7C01%7C%7C1121d49f9e6b4cf248f108d4df580e77%7C14e5497c16da42e69ffa77d19bafe511%7C0%7C0%7C636379016677342180&sdata=eGdMZGu2wXhUupGwgGTrqF3b54OP5%2BAZvlHhABSexWY%3D&reserved=0%3E) From: Sprinklerforum <[email protected] (mailto:[email protected])> On Behalf Of Matt Grise via Sprinklerforum Sent: Monday, April 19, 2021 11:28 AM To: [email protected] (mailto:[email protected]) Cc: Matt Grise <mg@afpsprink .com (mailto:[email protected])> Subject: RE: Same size orifice in a room I don't think you are going to find that. You are not allowed to vary the k-factor along a branch line for the purposes of hydraulic balancing, but the heads do not all have to be the same. FM may recommend against it though - you might check data sheet 2-0 Matt -----Original Message----- From: Sprinklerforum <[email protected] (mailto:[email protected])<mailto:[email protected]>> On Behalf Of Travis Mack via Sprinklerforum Sent: Monday, April 19, 2021 1:24 PM To: [email protected] (mailto:[email protected])<mailto:[email protected]> Cc: [email protected] (mailto:[email protected])<mailto:[email protected]> Subject: Same size orifice in a room I'm trying to locate the section in the standard about all sprinklers in a compartment to be same orifice. Can anyone help point me in that direction? My searching is not too productive today. Travis Mack, CFPS, CWBSP, RME-G, COC, SET Engineering Manager MFP Design 3356 E Vallejo Ct Gilbert, AZ 85298 (x-apple-data-detectors://24/0) 480-505-9271 ext. 700 (tel:480-505-9271;700) C: 480-272-2471 (tel:480-272-2471) [email protected] (mailto:[email protected])<mailto:[email protected]<mailto:[email protected]%3cmailto:[email protected]>> https://linkprotect.cudasvc.com/url?a=https%3a%2f%2fwww.mfpdesign.com&c=E,1,BlHMjOaxmKSFT48qnXqVYsvIk7-uXHLtqAx_cNceEogjNceIIpXgusszAQlFBLcczQ89OUhWAiTACrOYUqwOYtMG4OIDfWHd1_kh9LnAOw,,&typo=1<https://linkprotect.cudasvc.com/url?a=https%3a%2f%2fwww.mfpdesign.com&c=E,1,BlHMjOaxmKSFT48qnXqVYsvIk7-uXHLtqAx_cNceEogjNceIIpXgusszAQlFBLcczQ89OUhWAiTACrOYUqwOYtMG4OIDfWHd1_kh9LnAOw,,&typo=1><https://linkprotect.cudasvc.com/url?a=http%3a%2f%2fwww.mfpdesign.com&c=E,1,Sb8p1Dza9Oy_3BGKk2QcE1op3UXC4RO_ahDYRVTzRlG 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