Tel the AHJ to consider any industrial plant such as a steel mill or
similar. Would he expect to see multiple pumps (and storage tanks) for each
protected building?
We have a steel mill around an hour south of us that has somewhere in the
order of 50 to 100 sprinkler and deluge systems. Obviously, one water
supply, with two reservoirs and two or three pumps.
If your AHJ was right, the only people that would be happy would be the
pump manufactures.
Regards
Chris Mak
Sprinkler Certification Manager
Aon New Zealand
Level 1, 4 Fred Thomas Drive,, Takapuna
DDI: +64 9 486 9761 | Mobile:027 434 4058 | Fax:+64 9 486 0112
Ron Greenman
<rongreen...@gmai
l.com> To
Sent by: [email protected]
sprinklerforum-bo cc
un...@firesprinkl
er.org Subject
Re: Fire Pump for Multiple
Buildings
21/06/2009 11:09
a.m.
Please respond to
sprinklerfo...@fi
resprinkler.org
Yes, we are agreeing.
On Sat, Jun 20, 2009 at 12:46 PM, <[email protected]> wrote:
> NFPA 13 contains the "1 riser for each building" reference, and 2007
includes an exception for buildings connected by attached construction,
such as a covered walkway or breezeway. I think we're agreeing, no? So
long as the 3rd building has its own system, you can use the common water
supply ...
>
>
>
> Sent from my Verizon Wireless BlackBerry
>
> -----Original Message-----
> From: "Ron Greenman" <[email protected]>
>
> Date: Sat, 20 Jun 2009 11:58:04
> To: <[email protected]>
> Subject: Re: Fire Pump for Multiple Buildings
>
>
> Steve,
> Good practice says you shouldn't feed more than one building from a
> riser but is there a reference from IBC that clearly states that? I
> agree that one pump can service several buildings on a campus (as long
> as it's in a separated pump house) just as a single pump can feed
> several risers in the same building or a municipal pump can service
> multiplke properties wuthin a water district.
> On Sat, Jun 20, 2009 at 9:51 AM, Steve Leyton<[email protected]>
wrote:
>> I don't know of any restrictions in code or standards that would
>> preclude a "central plant" water supply, and I think the AHJ is
>> over-reaching in his interpretation of separate. NFPA 13 and 14 speak
>> to connection of systems to adequate water supplies, which can take any
>> one of a number of forms. Those can even be a combination elements -
>> tanks, pumps, wells - that collectively make up an adequate water
>> supply. The "separate and complete stand-alone fire suppression system"
>> is still to be furnished: separate service from the point of connection
>> to the water supply, separate control valve(s) and FDC(s), separate
>> riser, separate local alarm, separate supervisory system, separate
>> monitoring address, etc. So long as the existing automatic water
>> supply is adequate to meet whatever demands are created in the new
>> building, there's no prohibition against using it.
>>
>> Steve Leyton
>> Protection Design & Consulting
>> San Diego, CA
>>
>>
>>
>>
>> -----Original Message-----
>> From: [email protected]
>> [mailto:[email protected] <
mailto:[email protected]> ] On Behalf Of Mike
>> Hairfield
>> Sent: Saturday, June 20, 2009 6:46 AM
>> To: AFSA SprinklerFORUM
>> Subject: Fire Pump for Multiple Buildings
>>
>>
>>
>> Existing facility has one fire pump serving two existing buildings, the
>> owner wants to
>>
>> add a third building. Local AHJ states IBC requires a separate complete
>> stand alone
>>
>> fire suppression system thus requiring the owner to provide a new fire
>> pump and city
>>
>> water connection for the building.
>>
>>
>>
>> Has any one run across this IBC requirement or is the AHJ incorrect in
>> his statement?
>>
>>
>>
>> Mike Hairfield
>> _______________________________________________
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>
> --
> Ron Greenman
> at home....
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at home....
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