The insulation eliminates the channeling effect of the joist spaces Todd G Williams, PE Fire Protection Design/Consulting Stonington, CT 860-535-2080 (ofc) 860-553-3553 (fax) 860-608-4559 (cell)
> > On Oct 18, 2018 at 4:35 PM, <LLC MFP Design (mailto:tm...@mfpdesign.com)> > wrote: > > > > > > It will have insulation. That may be how they got to 225 sq ft. > > > > > > > > > > > > > Travis Mack, SET > > > > MFP Design, LLC > > > > 3356 E Vallejo Ct > > > > Gilbert, AZ 85298 > > > > 480-505-9271 > > > > fax: 866-430-6107 > > > > email:tm...@mfpdesign.com (mailto:email:tm...@mfpdesign.com) > > > > > > > > http://www.mfpdesign.com > (https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.mfpdesign.com%2F&data=02%7C01%7C%7C1121d49f9e6b4cf248f108d4df580e77%7C14e5497c16da42e69ffa77d19bafe511%7C0%7C0%7C636379016677342180&sdata=HJ8OA4xyeHAoxXNz5mu%2FYfycgtd5nsFrrpvzulZiNkQ%3D&reserved=0) > > > > https://www.facebook.com/pages/MFP-Design-LLC/92218417692 > (https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.facebook.com%2Fpages%2FMFP-Design-LLC%2F92218417692&data=02%7C01%7C%7C1121d49f9e6b4cf248f108d4df580e77%7C14e5497c16da42e69ffa77d19bafe511%7C0%7C0%7C636379016677342180&sdata=H%2BwdcgK8DLGBcNoqJEvUrzsXngySwkX56Vgf9gM9EGk%3D&reserved=0) > > > > 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) > > > > > LinkedIn: https://www.linkedin.com/in/travismack > (https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.linkedin.com%2Fin%2Ftravismack&data=02%7C01%7C%7C1121d49f9e6b4cf248f108d4df580e77%7C14e5497c16da42e69ffa77d19bafe511%7C0%7C0%7C636379016677342180&sdata=tT5E7LsZjSmyreKi4gDCa70EWN%2BZodi%2FhbeCbHNRijI%3D&reserved=0) > > > > > > > > “The bitterness of poor quality remains long after the sweetness of low price > is forgotten.” > > > > > > > > > > > From: Sprinklerforum <sprinklerforum-boun...@lists.firesprinkler.org> On > Behalf Of Roland Huggins > Sent: Thursday, October 18, 2018 1:20 PM > To: sprinklerforum@lists.firesprinkler.org > Subject: Re: 130 sq ft or 225 sq ft > > > > > > > > > > The FPE kissed the pooch. The 2x6’s drive the boat so it’s combustible > obstructed construction with members < 3 ft OC. Now if you put some > insulation in the channels whereby the depth of the exposed member is less > than 4 inches, then you get to merrily embrace the 225 sf As. > > > > > > > > > > > Roland > > > > > > > > > > > > > > > > Roland Huggins, PE - Senior VP Engineering > > > > American Fire Sprinkler Assn. > > > > Dallas, TX > > > > http://www.firesprinkler.org (http://www.firesprinkler.org/) > > > > > > > > Fire Sprinklers Saves Lives > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > On Oct 18, 2018, at 1:06 PM, MFP Design, LLC <tm...@mfpdesign.com > > (mailto:tm...@mfpdesign.com)> wrote: > > > > > > > > > > > > > > > > > > > > > > I have a project with 24” deep bar joist at 8’ on center. Spanning the > > joist are 2x6 stringers at 24” on center. I was under the impression > > that something like this would limit us to 130 sq ft per sprinkler. The > > FPE that spec’d out the project has indicated 225 sq ft max in this area. > > What does everyone think? > > > > > > > > > > > > > > > > > > > > > > > > <image001.jpg> > > > > > > > > > > > > Travis Mack, SET > > > > > > > > > > > > MFP Design, LLC > > > > > > > > > > > > 3356 E Vallejo Ct > > > > > > > > > > > > Gilbert, AZ 85298 > > > > > > > > > > > > 480-505-9271 > > > > > > > > > > > > fax: 866-430-6107 > > > > > > > > > > > > email:tm...@mfpdesign.com (mailto:email:tm...@mfpdesign.com) > > > > > > > > > > > > > > > > > > > > > > > > http://www.mfpdesign.com > > (https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.mfpdesign.com%2F&data=02%7C01%7C%7C1121d49f9e6b4cf248f108d4df580e77%7C14e5497c16da42e69ffa77d19bafe511%7C0%7C0%7C636379016677342180&sdata=HJ8OA4xyeHAoxXNz5mu%2FYfycgtd5nsFrrpvzulZiNkQ%3D&reserved=0) > > > > > > > > > > > > https://www.facebook.com/pages/MFP-Design-LLC/92218417692 > > (https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.facebook.com%2Fpages%2FMFP-Design-LLC%2F92218417692&data=02%7C01%7C%7C1121d49f9e6b4cf248f108d4df580e77%7C14e5497c16da42e69ffa77d19bafe511%7C0%7C0%7C636379016677342180&sdata=H%2BwdcgK8DLGBcNoqJEvUrzsXngySwkX56Vgf9gM9EGk%3D&reserved=0) > > > > > > > > > > > > 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) > > > > > > > > > > > > LinkedIn: https://www.linkedin.com/in/travismack > > (https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.linkedin.com%2Fin%2Ftravismack&data=02%7C01%7C%7C1121d49f9e6b4cf248f108d4df580e77%7C14e5497c16da42e69ffa77d19bafe511%7C0%7C0%7C636379016677342180&sdata=tT5E7LsZjSmyreKi4gDCa70EWN%2BZodi%2FhbeCbHNRijI%3D&reserved=0) > > > > > > > > > > > > > > > > > > > > > > > > “The bitterness of poor quality remains long after the sweetness of low > > price is forgotten.” > > > > > > > > > > > > > > > > > > > > > > _______________________________________________ > > Sprinklerforum mailing list > > Sprinklerforum@lists.firesprinkler.org > > (mailto:Sprinklerforum@lists.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 >
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