What you missed is that the 2019 ed changed whereby ESFR can now be used with
combustible obstructed construction. There is a hick-up. It’s explicitly
stated in section 14.2.4 but the TC missed the N/A in Table 14.2.8.2.1. This
is being fixed by a TIA currently being processed.
Roland Huggins, PE
Senior Vice President, Engineering & Technical Services
American Fire Sprinkler Association
p: 214-349-5965 ext121
w: firesprinkler.org <http://firesprinkler.org/>
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> On Apr 1, 2019, at 11:00 AM, Kyle.Montgomery <[email protected]> wrote:
>
> So, here’s a related question I’ve been pondering: What if you have Wood
> Joist Construction (technically combustible obstructed, right?) but the depth
> of the wood members is relatively short (like 2x6s or something)… are you
> prohibited from using ESFR heads?
>
> It seems strange that you wouldn’t be able to use them in that case, since
> you would be able to maintain the appropriate deflector distance (up to 18”
> from deck is allowable for some ESFRs) and there would be no actual
> obstruction to the sprinklers. Is there something that I am missing?
>
> Kyle Montgomery
> <image002.png>
> Aero Automatic Sprinkler Co.
> 21605 N. Central Ave.
> Phoenix, AZ 85024
> Direct: 623.580.7820
> Cell: 602.763.4736
> [email protected] <mailto:[email protected]>
>
>
>
> From: Sprinklerforum [mailto:[email protected]
> <mailto:[email protected]>] On Behalf Of Travis
> Mack, SET, CFPS, CWBSP, RME-G
> Sent: Monday, April 1, 2019 10:14 AM
> To: [email protected]
> <mailto:[email protected]>
> Subject: [EXTERNAL] RE: ESFR and Baffles
>
> Yes. There are things you can do to change the building to make it ESFR
> compatible. But as it was described, you have a building that is not
> compliant with ESFR.
>
> Too many people jump to ESFR as the panacea of storage.
>
> <image005.jpg>
> <https://urldefense.proofpoint.com/v2/url?u=http-3A__www.mfpdesign.com_&d=DwMFaQ&c=wn3mZQLIuInh2ClcJ0_DIA&r=Z_2A85VL7AQzoqudh6uOyS3bn8etxB7nLN8OBJwQd9A&m=k2MBYdoRIHA4uvwl6mWR_cQDUOKyc042SymYX5vDH0c&s=qPqzkIcYhJ2zI_RVIutELOG-iYAapNlejxRnE0NPE0M&e=>
> Travis Mack, CFPS, CWBSP, RME-G, SET
> MFP Design, LLC
> 3356 E Vallejo Ct
> Gilbert, AZ 85298
> 480-505-9271
> fax: 866-430-6107
> [email protected] <mailto:[email protected]>
> www.mfpdesign.com <http://www.mfpdesign.com/>
>
> Send large files to us via: https://www.hightail.com/u/MFPDesign
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>
> “The bitterness of poor quality remains long after the sweetness of low price
> is forgotten.”
>
>
> From: Sprinklerforum <[email protected]
> <mailto:[email protected]>> On Behalf Of Steve
> Leyton
> Sent: Monday, April 1, 2019 10:11 AM
> To: [email protected]
> <mailto:[email protected]>
> Subject: RE: ESFR and Baffles
>
> Corollary to The Perfect Answer: I would say that someone needs to install
> a suspended ceiling to create a conforming application for ESFR.
>
> Steve Leyton
> Almost Perfect
>
> From: Sprinklerforum [mailto:[email protected]
> <mailto:[email protected]>] On Behalf Of Roland
> Huggins
> Sent: Monday, April 01, 2019 9:51 AM
> To: [email protected]
> <mailto:[email protected]>
> Subject: Re: ESFR and Baffles
>
> Perfect answer
>
> Roland
>
> <image003.jpg>
> Roland Huggins, PE
> Senior Vice President, Engineering & Technical Services
> American Fire Sprinkler Association
> p:
> 214-349-5965 ext121
> w:
> firesprinkler.org
> <https://urldefense.proofpoint.com/v2/url?u=http-3A__firesprinkler.org&d=DwMFaQ&c=wn3mZQLIuInh2ClcJ0_DIA&r=Z_2A85VL7AQzoqudh6uOyS3bn8etxB7nLN8OBJwQd9A&m=k2MBYdoRIHA4uvwl6mWR_cQDUOKyc042SymYX5vDH0c&s=Vy-IyFyG1i1tqIk694e9FNZyITZgo96XXvsp9L-xDbE&e=>
>
> <image010.jpg>
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> <image010.jpg>
> <https://urldefense.proofpoint.com/v2/url?u=https-3A__twitter.com_afsa_status_1039528345367732224&d=DwMFaQ&c=wn3mZQLIuInh2ClcJ0_DIA&r=Z_2A85VL7AQzoqudh6uOyS3bn8etxB7nLN8OBJwQd9A&m=k2MBYdoRIHA4uvwl6mWR_cQDUOKyc042SymYX5vDH0c&s=qudp3qi8nTBMzUTNEfGjN3rYU8TEoyGg6qG11Kj3PG8&e=>
> <image010.jpg>
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> <image010.jpg>
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>
>
>
> On Apr 1, 2019, at 8:56 AM, Shawn Foor <[email protected]
> <mailto:[email protected]>> wrote:
>
> I would say you are in a building that you can’t use ESFR heads
>
> On Mon, Apr 1, 2019 at 10:53 Cliff Whitfield <[email protected]
> <mailto:[email protected]>> wrote:
> What do you do when you have ESFR in a structure with W-Beams that are less
> than 8’ apart but too deep to get the proper deflector distance beneath them?
>
> Cliff Whitfield, SET
> President
>
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