Sent: Saturday, March 16, 2024 1:35 PM
To: Discussion list on issues relating to automatic fire sprinklers
Subject: [Sprinklerforum] Re: FDC for Standpipe
Chris - I'm not following. Hydraulics does not influence the flow rate through
the storz connection. The flow rate is limited by the size
esses have changed
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> new email below
>
>
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> chr...@tvfpinc.com
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> *From:* Steve Leyton
> *Sent:* Thursday, March 14, 2024 10:48 AM
> *To:* Discussion list on issues relating to automatic fire sprinklers <
> sprinklerforum@lists.firesprinkler.org>
0gpm because of the Storz connection size or
> 500gpm because of the pipe?
>
>
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> *From:* John Denhardt
> *Sent:* Thursday, March 14, 2024 10:39 AM
> *To:* Discussion list on issues relating to automatic fire sprinklers <
> sprinklerforum@lists.firesprinkler.org>
email
addresses have changed
new email below
chr...@tvfpinc.com<mailto:chr...@tvfp.us>
From: Steve Leyton
Sent: Thursday, March 14, 2024 10:48 AM
To: Discussion list on issues relating to automatic fire sprinklers
Cc: Dewayne Martinez
Subject: [Sprinklerforum] Re: FDC for Standpipe
From: Dewayne Martinez
Sent: Thursday, March 14, 2024 9:30 AM
To: Discussion list on issues relating to automatic fire sprinklers
Cc: Dewayne Martinez
Subject: [Sprinklerforum] Re: FDC for Standpipe
Would a 5”x4” Storz be 750gpm because of the Storz connection size or 500gpm
because of th
Would a 5”x4” Storz be 750gpm because of the Storz connection size or 500gpm
because of the pipe?
From: John Denhardt
Sent: Thursday, March 14, 2024 10:39 AM
To: Discussion list on issues relating to automatic fire sprinklers
Subject: [Sprinklerforum] Re: FDC for Standpipe
Here
John-
Good to know…..
Thank you,
Brian Harris, CET
BVS Systems Inc.
From: John Denhardt
Sent: Thursday, March 14, 2024 11:39 AM
To: Discussion list on issues relating to automatic fire sprinklers
Subject: [Sprinklerforum] Re: FDC for Standpipe
Here is the reference:
NFPA 14 - 2024
Here is the reference:
NFPA 14 - 2024
10.7.3.1.1
Where a 4 in. (100 mm) inlet is used, the assumed flow per inlet shall be
500 gpm (1900 L/min).
10.7.3.1.2
Where a 5 in. (125 mm) inlet is used, the assumed flow per inlet shall be
750 gpm (2850 L/min).
*The above is my opinion and has not been
To all - review NFPA 14 -2024 as it has new requirements for 4" and 5"
storz connections.
4" is limited to 500 GPM per connection
5" is limited to 750 GPM per connection
Unfortunately, I'm at a conference where my internet connection is very
limited, otherwise I would give you a section
Brian,
Yes, I have been required to provide such a connection in the
past. It has been rare, and it was a gorilla sized high rise
building.
For me arguing with the AHJ over this seemed pointless.
sincerely,
Ken Wagoner, SET
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