You got it. You must satisfy the definition of small room and my guess is you will not meet the requirements.
Thanks, John John August Denhardt, PE *Vice President, Engineering and Technical Services* *American Fire Sprinkler Association* m: p: 301-343-1457 214-349-5965 ext 121 w: firesprinkler.org <https://www.facebook.com/firesprinkler.org/> <https://twitter.com/afsa/status/1039528345367732224> <https://www.linkedin.com/company/american-fire-sprinkler-association-afsa-/> <https://www.instagram.com/firesprinklerorg/> *Our members are at the heart of everything we do.* *Don’t miss another issue!* Sign up to get your exclusive copy of the industry’s leading membership magazine *Sprinkler* *Age* delivered straight to your mailbox, inbox, or both! Subscribe <https://sprinklerage.com/subscribe/> now to get the latest information you need to know and never miss another issue. On Wed, Oct 7, 2020 at 8:12 PM Travis Mack via Sprinklerforum < sprinklerforum@lists.firesprinkler.org> wrote: > 4' deep space so no specially listed sprinklers. But the unobstructed > criteria in 13 for the definition of a small room, I believe kicks me out. > But this is a first for me. > > > Travis Mack, CFPS, CWBSP, RME-G, SET > Engineering Manager > MFP Design > 3356 E Vallejo Ct > Gilbert, AZ 85298 > NEW EXTENSION: 480-505-9271 ext. 700 > NEW MOBILE: 480-272-2471 > mailto:travis.m...@mfpdesign.com > www.mfpdesign.com > > Send large files to us via: > 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://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.” > > Need/Want a faster way to check material pricing? Build a material > quote? Check availability ? Searching for an invoice? > *If you do not already have an account with ferguson.com, click > https://www.ferguson.com/account-registration to register.* > **Have a Ferguson account? Download the Ferguson app for on-the-go access > to your favorite ferguson.com features. > http://fergusoncommunications.us.newsweaver.com/hq7bgesq7f/1qtklpp37l9byeftyuoy12/external?email=true&a=6&p=2591775&t=517003 > or > http://fergusoncommunications.us.newsweaver.com/hq7bgesq7f/n1gewi5ud95byeftyuoy12/external?email=true&a=6&p=2591775&t=517003** > > From: Sprinklerforum <sprinklerforum-boun...@lists.firesprinkler.org> On > Behalf Of Fpdcdesign via Sprinklerforum > Sent: Wednesday, October 7, 2020 5:08 PM > To: Sprinklerforum <sprinklerforum@lists.firesprinkler.org> > Cc: Fpdcdesign <fpdcdes...@gmail.com> > Subject: Re: ssu - concealed space - small room??? > > > > > Are you required to use concealed space sprinklers? > > > > If it meets the NFPA definition of a room and the requirements of > http://11.2.3.3 are met, then you should be able to use it above a > ceiling. Be sure of any fire resistance rating requirements. > > > > 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 Oct 7, 2020 at 7:59 PM, <Travis Mack via Sprinklerforum (mailto: > sprinklerforum@lists.firesprinkler.org)> wrote: > > > > > > > > We have a project that was pre-engineered. It has several issues that we > are having to correct. One is something I haven’t considered. We have a > concealed combustible space that requires 130 sq ft max spacing. The > pendents are 225 sq ft max spacing. All of the walls for the office spaces > – think medical office type project – are full height to deck and > drywalled. Is there any reason you wouldn’t use the small room method for > determining area per sprinkler for the SSU in the concealed space? For > example, the room may be 120 sq ft for example. However, the SSU located by > the FPE is 6’ off the north wall and 6’ off the west wall. Using SxL, this > would be 144 sq ft per sprinkler. But, if the space above the ceiling could > be treated as a small room, then the area per sprinkler could be the room > area divided by the number of sprinklers in the room. This would mean the > sprinkler is 120 sq ft per sprinkler. This happens in several places. There > are many instances where I can just move the sprinkler to be more centered > and solve the problem, but not all areas. So, would you consider that space > above the ceiling to be allowed to follow small room rules? Travis Mack, > CFPS, CWBSP, RME-G, SET Engineering Manager MFP Design 3356 E Vallejo Ct > Gilbert, AZ 85298 NEW EXTENSION: 480-505-9271 ext. 700 NEW MOBILE: > 480-272-2471 mailto:travis.m...@mfpdesign.com http://www.mfpdesign.com > Send large files to us via: https://www.hightail.com/u/MFPDesign > LinkedIn: https://www.linkedin.com/in/travismack “The bitterness of poor > quality remains long after the sweetness of low price is forgotten.” > Need/Want a faster way to check material pricing? Build a material quote? > Check availability ? Searching for an invoice? *If you do not already have > an account with http://ferguson.com, click here to register.* **Have a > Ferguson account? Download the Ferguson app for on-the-go access to your > favorite http://ferguson.com features. Apple iOS devices or Android > devices** _______________________________________________ Sprinklerforum > mailing list mailto:Sprinklerforum@lists.firesprinkler.org > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org > > > > > > > > _______________________________________________ > Sprinklerforum mailing list > 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 > _______________________________________________ Sprinklerforum mailing list Sprinklerforum@lists.firesprinkler.org http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org
