You can do that, but also have to include the 15’ extension of the higher criteria into the lower criteria.
Just had a job like this. 40’8 at high point with 1/8” slope per foot. So we had to to do 79’ of K22 at a minimum. Travis Mack, CFPS, CWBSP, RME-G, COC, SET Senior Engineering Manager MFP Design 480-505-9271 ext. 700<tel:480-505-9271;700> C: 480-272-2471<tel:480-272-2471> travis.m...@mfpdesign.com<mailto:travis.m...@mfpdesign.com> www.mfpdesign.com<http://www.mfpdesign.com/> Send 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> ________________________________ From: Sprinklerforum <sprinklerforum-boun...@lists.firesprinkler.org> on behalf of Mike Hairfield via Sprinklerforum <sprinklerforum@lists.firesprinkler.org> Sent: Friday, December 24, 2021 11:41:10 AM To: Sprinkler Forum <sprinklerforum@lists.firesprinkler.org> Cc: Mike Hairfield <fsl...@msn.com> Subject: Mixing ESFR Sprinklers Here is the situation: Building has 40'-8" Maximum Ceiling height at the ridge, the building is designed with K16.8 ESFR's. Can the areas that are over the 40'-0" maximum ceiling height be designed using K22.4 or K25.2 ESFR's and be approved? Thanks, Mike Hairfield _______________________________________________ Sprinklerforum mailing list Sprinklerforum@lists.firesprinkler.org http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org<http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org> _______________________________________________ Sprinklerforum mailing list Sprinklerforum@lists.firesprinkler.org http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org
