Which edition of the IBC/IFC are they using ?, Reference Standards- 2009
IBC/IFC=2007 Edition NFPA-14, 2012 IBC/IFC = 2010 Edition NFPA-14

John Drucker, CET
Fire Protection Subcode Official
Fire / Building / Electrical Inspector
New Jersey


-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of Travis
Mack
Sent: Monday, April 28, 2014 7:23 PM
To: [email protected]
Subject: Re: Combination standpipe system = NFPA 13???

We finally did get a conclusion with the reviewer that NFPA 13R is
applicable in this case.  Now, there is a new wrinkle.  He states that per
NFPA 14, 2010 edition 7.6.2 states all combined standpipes shall be 6".  I
was using 7.6.3 where it states when protected throughout by an approved
sprinkler system, the minimum standpipe size is 4".  Since
7.6.3 does not mention combined standpipes, we are going to have to install
the combo standpipe and all horizontal standpipe feeding it to be 6". It all
calcs as 4".

Travis Mack, SET
MFP Design, LLC
2508 E Lodgepole Drive
Gilbert, AZ 85298
480-505-9271
fax: 866-430-6107
email:[email protected]

On 4/28/2014 4:08 PM, rongreenman . wrote:
> As Duane found the IBC covers this as a when. Don't need no reference 
> in 13R.
>
>
> On Mon, Apr 28, 2014 at 12:00 PM, Pete Schwab <[email protected] 
> <mailto:[email protected]>> wrote:
>
>     His assumption is flawed. However, I have added this to my list to
>     submit for NFPA 13R for the 2019 edition.
>     Pete
>     ________________________________________
>     From: [email protected]
>     <mailto:[email protected]>
>     [[email protected]
>     <mailto:[email protected]>] on behalf
>     of Travis Mack [[email protected] <mailto:[email protected]>]
>     Sent: Monday, April 28, 2014 2:36 PM
>     To: Steve Leyton; [email protected]
>     <mailto:[email protected]>
>     Subject: Re: Combination standpipe system = NFPA 13???
>
>     This is heading to the reviewer supervisor for a conference call
>     tomorrow.  However, the initial response I got as a preliminary to my
>     question was the NFPA 13 mentions combination standpipe systems
>     and NFPA
>     13R does not, so therefore his thinking was an NFPA 13 system is
>     required.
>
>     Travis Mack, SET
>     MFP Design, LLC
>     2508 E Lodgepole Drive
>     Gilbert, AZ 85298
>     480-505-9271 <tel:480-505-9271>
>     fax: 866-430-6107 <tel:866-430-6107>
>     email:[email protected] <mailto:email%[email protected]>
>
>     On 4/28/2014 11:20 AM, Steve Leyton wrote:
>     > That is absolutely not accurate and there is nothing in any code or
>     > standard that ties the basis of sprinkler system design to
>     whether or
>     > not a building has standpipes.  A careful read of the applicable
>     > sections of 14 will reveal that the prescriptives for valving and
>     > connection of sprinklers to standpipes are all generic and do not
>     > distinguish between a "13" and a "13R".
>     >
>     > Your AHJ may want to retrieve the code books he or she has
>     previously
>     > thrown away, thinking in error that they already know
>     everything.   I
>     > would make diplomatic request of this person to cite the applicable
>     > language that supposedly backs this up.
>     >
>     > My opinion only,
>     > SML
>     >
>     >
>     >
>     > -----Original Message-----
>     > From: [email protected]
>     <mailto:[email protected]>
>     > [mailto:[email protected]
>     <mailto:[email protected]>] On Behalf Of
>     > Travis Mack
>     > Sent: Monday, April 28, 2014 11:16 AM
>     > To: [email protected]
>     <mailto:[email protected]>
>     > Subject: Combination standpipe system = NFPA 13???
>     >
>     > I have a project that qualifies for NFPA 13R per architectural code
>     > study.  The project construction type, square foot, etc allows us to
>     > follow NFPA 13R per IBC.
>     >
>     > This is a 4 story building and has manual wet standpipes due to
>     building
>     > height.  The AHJ is stating that because we have a combination
>     > standpipe, it is required to be an NFPA 13 system.  Has anyone
>     ever run
>     > into this?  I have never heard of this requirement. If it is
>     true, an
>     > easy fix would be to run a separate sprinkler system riser.  I
>     have just
>     > never heard of this and have done hundreds of projects at 13R with
>     > combination standpipes.
>     >
>     > The same reviewer is stating that since it is required to be an
>     NFPA 13
>     > system because of the standpipes, we also have to use a minimum 5.6k
>     > sprinkler.  I KNOW this is wrong, so I truly question the issue
>     above.
>     > Any thoughts on this?
>     >
>     > --
>     > Travis Mack, SET
>     > MFP Design, LLC
>     > 2508 E Lodgepole Drive
>     > Gilbert, AZ 85298
>     > 480-505-9271
>     > fax: 866-430-6107
>     > email:[email protected] <mailto:email%[email protected]>
>     >
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>
> --
> Ron Greenman
> Instructor
> Fire Protection Engineering Technology Bates Technical College
> 1101 So. Yakima Ave.
> Tacoma, WA 98405
>
> [email protected] <mailto:[email protected]>
>
> http://www.bates.ctc.edu/fireprotection/
>
> 253.680.7346
> 253.576.9700 (cell)
>
> Member:
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>
> They are happy men whose natures sort with their vocations. -Francis 
> Bacon, essayist, philosopher, and statesman (1561-1626)
>
> A problem well stated is a problem half solved. -Charles F. Kettering, 
> inventor and engineer (1876-1958)

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