If I have an existing FDC at the hot box and add a pump later, then the FDC
must be moved to the pumphouse?



On Fri, Feb 2, 2018 at 6:29 AM, Dewayne Martinez <
dmarti...@total-mechanical.com> wrote:

> Tom,
>
> Are you saying that if I put a control valve for the standpipe feed at the
> riser manifold and the FDC is connected to the riser manifold that I must
> also connect the FDC downstream of the standpipe feed control valve?  Is
> that in 14?  I have had a couple of AHJ’s make me put a control valve in
> over the years and I didn’t know it was wrong.  I thought it was just like
> the individual system control valves on the manifold.
>
> Thank you,
>
> Dewayne Martinez
>
> Fire Protection Design Manager
>
>
>
> *TOTAL* *Mechanical*
>
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>
>
> W234 N2830 Paul Rd.
> Pewaukee, WI  53072
>
> dmarti...@total-mechanical.com
>
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>
> *From:* Sprinklerforum [mailto:sprinklerforum-bounces@lists.firesprinkler.
> org] *On Behalf Of *Tom Duross
> *Sent:* Wednesday, January 31, 2018 4:36 PM
> *To:* sprinklerforum@lists.firesprinkler.org
> *Subject:* RE: FDC & Pump
>
>
>
> What Larry said..
>
> And there can’t be any valves between the FDC and the FDV’s on the
> standpipe unless you have more than one standpipe and have isolation valves
> at the base of each standpipe so you can’t take them off the riser
> manifold, for example.
>
> TD
>
>
>
>
>
> The requirement is from NFPA 13, not from NFPA 20. Here is the text from
> NFPA 13-2013:
>
>
>
> 8.17.2.4.8  Fire department connections shall not be connected on the
> suction side of fire pumps.
>
>
>
> Larry Keeping
>
>
>
>
>
> I have always installed FDC's on the discharge side of fire pumps.
> Looking through 2013 NFPA 20, I don't see anything precluding the
> instillation on the supply side.  Is the FDC allowed to be installed on the
> supply?
>
> I have a contractor that has installed the FDC on the supply run-in,
> instead of stubing up a secondary line from the remote FDC.
>
> Thanks,
>
> Jamie
>
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