Cliff,

Code didn't change they are still only required in spaces 36" and less, but
with the expanded listings for the newer CC heads from Reliable, Tyco, and
Globe you can use them as EC heads in some cases for spaces up to 60" deep,
which can come in handy.


Benjamin Young

On Thu, Oct 13, 2016 at 6:11 PM, Cliff Whitfield <cl...@fire-design.com>
wrote:

> I was thinking that the standard changed to 60” but I may be mistaken or
> on another planet.  I don’t have 2016 in front of me.  I know 2013 allows
> using SSU once it exceeds 36”.
>
>
>
> I’m not sure how the cost compares to QR SSU but I do know that there are
> sprinklers listed for CCS up to 60” deep with 16 x 16 spacing on the market
> now.
>
>
>
> Cliff Whitfield
>
>
>
> *From:* Sprinklerforum [mailto:sprinklerforum-bounces@lists.firesprinkler.
> org] *On Behalf Of *Travis Mack, SET
> *Sent:* Thursday, October 13, 2016 5:51 PM
> *To:* sprinklerforum@lists.firesprinkler.org
> *Subject:* Re: Combustible Concealed Space-Area Reduction
>
>
>
> I think he is saying that his concealed space is >36" in depth.  If so,
> then specially listed are not mandated.
>
> If so, I have always used the QR reduction for 10' ceiling height in those
> spaces provided it is a wet system.  I have had some AHJs require I go to
> the floor to get my deck height.  So, if you were 14' floor to floor with a
> 10' ceiling and 24" open web floor trusses, then you could use QR SSU to
> protect.  A conservative approach would be to go with 14' for your QR
> reduction point.
>
> Travis Mack, SET
>
> MFP Design, LLC
>
> 2508 E Lodgepole Drive
>
> Gilbert, AZ 85298
>
> 480-505-9271
>
> fax: 866-430-6107
>
> email:tm...@mfpdesign.com
>
>
>
> http://www.mfpdesign.com
>
> https://www.facebook.com/pages/MFP-Design-LLC/92218417692
>
> Send large files to us via: https://www.hightail.com/u/MFPDesign
>
> LinkedIn: https://www.linkedin.com/in/travismack
>
> On 10/13/2016 2:26 PM, Cliff Whitfield wrote:
>
> Taylor,
>
>
>
> I believe you will need to use Concealed Space Sprinklers for that area
> and will need to calc based on the manf data sheet.
>
>
>
> Cliff Whitfield, SET
>
> President
>
> Fire Design, Inc.
>
>
>
>
>
> *From:* Sprinklerforum [mailto:sprinklerforum-bounces@lists.firesprinkler.
> org <sprinklerforum-boun...@lists.firesprinkler.org>] *On Behalf Of *Taylor
> Schumacher
> *Sent:* Thursday, October 13, 2016 4:55 PM
> *To:* sprinklerforum@lists.firesprinkler.org
> *Subject:* Combustible Concealed Space-Area Reduction
>
>
>
> Good afternoon forum,
>
>
>
> I’m looking to apply the remote area reduction per 11.2.3.2.3.1 in NFPA 13
> 2010 to a floor truss space over 36” using quick response, standard spray
> sprinklers.
>
>
>
> Could anyone tell me if my assumptions are right?
>
>
>
> *TAYLOR SCHUMACHER, CET*
>
> Security Fire Sprinkler
>
> *P  *320.656.0847  |  *F * 320.656.0312  |  *E  *tay...@sfsprinkler.com
>
>
>
>
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