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> From: Dennis Wilson
> Sent: Wednesday, December 14, 2022 11:01 AM
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From: Greg McGahan
Sent: Wednesday, December 14, 2022 12:04 PM
To: Discussion list on issues relating to automatic fire sprinklers
Subject: [Sprinklerforum] Re: BFP on underground supply
I am not a fan of blanket answers - but in this case I see 2 simple solutions:
If SYSTEM
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> Hope this helps!
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> Eric
>
> Rieve Fire Protection
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> *From:* Dennis Wilson
> *Sent:* Wednesday, December 14, 2022 12:01 PM
> *To:* Discussion list on issues relating to automatic fire sprinklers <
> sprinklerforum@lists
on issues that facilitate implementation
and enforcement of NFPA 25 nationwide.
Steve L.
From: Eric Rieve
Sent: Wednesday, December 14, 2022 10:40 AM
To: Discussion list on issues relating to automatic fire sprinklers
Subject: [Sprinklerforum] Re: BFP on underground supply
You'll pr
tall an
arrangement that allows for accurate waterflow measurement then you can prove
your assembly meets the requirements.
Hope this helps!
Eric
Rieve Fire Protection
From: Dennis Wilson
Sent: Wednesday, December 14, 2022 12:01 PM
To: Discussion list on issues relating to automatic fire spri
: [Sprinklerforum] Re: BFP on underground supply
NFPA 13 (2022) Section 16.4.5 with ‘enhanced content’ and some new standard
language, discourages this practice. How will the requirement of Section
16.14.5.1.1 be achieved without additional calculation?:
16.14.5.1* Backflow Prevention Valves.
A
elating to automatic fire sprinklers
Subject: [Sprinklerforum] Re: BFP on underground supply
On backflow testing, NFPA 13 (2019) 16.14.5.1 states the backflow needs to be
tested at system demand.
I have a hard cover copy, and in it the question was asked, if a 2” main drain
would be sufficient
On backflow testing, NFPA 13 (2019) 16.14.5.1 states the backflow needs to be
tested at system demand.
I have a hard cover copy, and in it the question was asked, if a 2" main drain
would be sufficient, to do the backflow test.
After their explanation, they say it basically needs to be the same s
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> > From: Michael Slaughter > mailto:mslaugh...@pflugervillefire.org >
> > Sent: Friday, November 18, 2022 4:14 PM
> > To: Discussion list on issues relating to automatic fire sp
2 4:14 PM
*To:* Discussion list on issues relating to automatic fire
sprinklers
*Cc:* e...@bamfordfire.com
*Subject:* [Sprinklerforum] Re: BFP on underground supply
FYI,
A question from an AHJ. In many cases, we receive a dedicated
underground fire line to serve fire hydrants
tect.cudasvc.com/url?a=https%3a%2f%2fwww.firesprinkler.org%2ftechnicalreview&c=E,1,O9_n1ktyzzoZHXziCnV_dHBMgxuyy-d3RwMrfccv2_qB1G40jPsi0sXLEsQOtSzA-DciJwy9csZav99QIFbXXTxSU1h3Ml_kAFR73dUdF9lXlp7BJAt0tblW_A,,&typo=1>
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> *From:* Michael Slaughter
> *Sent:* Friday, November 18, 2022 4:14 PM
> *To:* Discussion list on issues relating to automatic fire sprinklers <
> sprinklerforum@lists.firesprinkler.org>
> *Cc:* e...@bamfordfire.com
> *Subject:* [Sprinkler
al Services Department. It’s like having an FPE on your staff. Visit
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> *From:* Michael Slaughter
> *Sent:* Friday, November 18, 2022 4:14 PM
> *To:* Discussion list on issues rela
kler.org>Cc: e...@bamfordfire.comSubject: [Sprinklerforum] Re: BFP on underground supply FYI, A question from an AHJ. In many cases, we receive a dedicated underground fire line to serve fire hydrants and the building fire sprinkler system. (Domestic if provided through a separate line) When this occurs
mit a question today! (Member
login required.)
*From:* Michael Slaughter
*Sent:* Friday, November 18, 2022 4:14 PM
*To:* Discussion list on issues relating to automatic fire sprinklers <
sprinklerforum@lists.firesprinkler.org>
*Cc:* e...@bamfordfire.com
*Subject:* [Sprinklerforum] Re: BFP
t on issues relating to automatic fire sprinklers
Cc: e...@bamfordfire.com
Subject: [Sprinklerforum] Re: BFP on underground supply
FYI, A question from an AHJ. In many cases, we receive a dedicated underground
fire line to serve fire hydrants and the building fire sprinkler system.
(Domesti
FYI,
A question from an AHJ. In many cases, we receive a dedicated underground
fire line to serve fire hydrants and the building fire sprinkler system.
(Domestic if provided through a separate line)
When this occurs, the local water authorities always require a backflow (in
an underground vault)
So, why would it matter where the backflow preventer is located? NFPA is
clear in the requirement to provide a forward flow test connection. If the
backflow is in a vault or a pit, the intent is still clear. I am the
current chair of NFPA 24, and I think most members would agree this
connection i
Interesting question. NFPA 24 requires the forward flow test as part of
acceptance testing, however is silent on providing a permanent appurtenance for
doing so. NFPA 13 requires it for "all". Arguably the scope to include is in
13, so I would expect the enforcement to be on the aboveground e
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