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> Todd G. Williams, PE
> Fire Protection Design/Consulting
> Stonington, CT
> 860.535.2080
> www.fpdc.com
>
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> Sprinklerforum mai
Break out your riser diagram into a drain, FS and gauge. Install the riser
manifold in the field.
- Original Message -
From: Todd Williams [mailto:t...@fpdc.com]
Sent: Friday, December 28, 2012 04:20 PM
To: sprinklerforum@firesprinkler.org
Subject: RE: FDC location with riser manifold
A system only requires a control valve and a check valve. Per 8.16.1.1.3.5
(2010) when an alarm valve is used it is considered the check valve.
The backflow in the riser will serve as both, control and check.
-Original Message-
From: sprinklerforum-boun...@firesprinkler.org
[mailto:
The Tee is past the second control valve of the FDC, which I was intending to
be the control valve for the system. There are no control valves after the FDC
connection.
I'm afraid if I tell him there isn't an alarm valve, he will require one. And
as far as calling it a manifold, since at least
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Ron Greenman
Instructor
Fire Protection Engineering Technology
Bates Technical College
1101 So. Yakima Ave.
Tacoma, WA 98405
rgreen...@bates.ctc.edu
http://www.bates.ctc.edu/fireprotection/
253.680.7346
253.576.9700 (cell)
Member:
ASEE, SFPE, ASCET, NFPA, AFSA, NFSA, AFAA, NIBS, WSAFM, WFC, WFSC
They are happy men whose natures sort with their vocations. -Francis Bacon,
essayist, philosopher, and statesman (1561-1626)
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A victaulic technical service bulletin 756_758 was issued for that valve a few
years ago- call victaulic tech services
Sent via BlackBerry from T-Mobile
-Original Message-
From: "A.P.Silva"
Date: Fri, 28 Dec 2012 19:24:05
To:
Subject: Victaulic S 756 dry valve
When I look this valv
There were issues with the piston seizing and thus preventing the valve from
tripping. I don't remember all the details. Back in the day, a rebuild kit was
provided as an option.
http://static.victaulic.com/assets/uploads/literature/I-756-758-RBKIT.pdf
Duane Johnson, PE
Program Manager
Division
When I look this valve up (Victaulic S 756, dry) on Victaulic web pages, it
says it is "discontinued". Does anyone know when it was discontinued? Was it
recalled and is anyone aware of any problems? I found on a web page linked
from zurichservices.com, that there was a recall on "Victaulic 756/758
Um, have the manufacturer of the riser manifold state that it's not an alarm
valve (and include side-by-side pictures of the two)? I know that sounds
smart-ass, but I'm serious. If this guy/gal is that dense, I doubt you'll
offend him.
Ed Kramer
Lawrence, KS
> -Original Message-
> From:
Concede on the language of NFPA 13, on the system side of the
system control, check and alarm valves. Then send him a cut sheet on an alarm
valve. And point out you are on the system side of all those things that exist.
Some of them don't, like an alarm valve.
Then stop calling it a manifold
"rises up at a riser manifold..."
What exactly do you mean? Control valve, flow switch and main drain? If
there is a control valve, he is right. The FDC has to be connected after the
control valve, on a single zone wet system. If this is so, can you delete
the control valve? Not sure if it is
Good luck with that one...
Send him a cut sheet of an alarm valve and a riser manifold...then ask him how
they are the same. Or, ask him to identify the check in the riser manifold.
Duane Johnson, PE
Program Manager
Division of the Fire Marshal (Contractor)
Office of Research Services
National
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That has basically been my argument. However, how do I convince him that a
riser manifold is not an alarm valve?
At 12:59 PM 12/28/2012, you wrote:
>2013 edition
>8.16.1.1.3.2A listed backflow prevention device shall be considered a
>check valve, and an additional check valve shall not be r
How do you plan to drain the system full of water to reset the DPV?
Arthur Tiroly
ATCO Fire Protection Design
Tiroly and Associates
24400 Highland Rd rm 25, CLE 44143
216-621-8899
216-570-7030 Cell
WWW.ATCOfirepro.com
-Original Message-
From: sprinklerforum-boun...@firesprinkler.org
[ma
at the NFPA website (www.nfpa.org) under Codes and Standards / List of Codes /
NFPA 25
Roland
On Dec 28, 2012, at 10:08 AM, Rod DiBona wrote:
> Good information Roland, Thank you. Where can the ROP and ROC be viewed?
>
> Rod at Rapid
>
> -Original Message-
> From: sprinklerforum-bou
Good information Roland, Thank you. Where can the ROP and ROC be viewed?
Rod at Rapid
-Original Message-
From: sprinklerforum-boun...@firesprinkler.org
[mailto:sprinklerforum-boun...@firesprinkler.org] On Behalf Of Roland Huggins
Sent: Friday, December 28, 2012 10:17 AM
To: sprinklerforu
2013 edition
8.16.1.1.3.2A listed backflow prevention device shall be considered a check
valve, and an additional check valve shall not be required.
Your FDC is on the system side of the backflow/check valve.
Duane Johnson, PE
Program Manager
Division of the Fire Marshal (Contractor)
Office
I had an AHJ come back with a comment regarding a location of an FDC on a
system I designed. The system has a single riser. The water main comes into the
building approximately 1'-6" AFF. An elbow is installed and the backflow
preventer is running horizontally parallel to the outside wall. The m
A huge change in the upcoming edition of 25 is that the main drain test is to
test the supply main and building with multiple systems on a single main only
require a single main drain test. Take a look at the ROP and ROC.
Roland
> -Original Message-
> From: sprinklerforum-boun...@fire
eball.firesprinkler.org/mailman/listinfo/sprinklerforum
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The testing of the Control Valve is going to be the determining factor here.
Also, do not forget, an Auxiliary system is still a Sprinkler System needing
all the bells and whistles..
R/
Matt
-Original Message-
From: sprinklerforum-boun...@firesprinkler.org
[mailto:sprinklerforum-boun...@f
I'd love to see the risk assignment now that it looks like the City of San
Francisco seems to be in the design business.
Chris Cahill, PE*
Senior Fire Protection Engineer, Aviation & Facilities Group
Burns & McDonnell
8201 Norman Center Drive
Bloomington, MN 55437
Phone: 952.656.3652
Fax: 952
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Daniel - one good thing about this scenario vs. the boat storage one is that
you shouldn't have the open top container issue. But hopefully your shielded
areas are more limited, too. It seems reasonable to assume that the largest
unbroken shielded area will be that of a single automobile or pick
Vince,
The main drain test is for verifying the relative strength of the water supply
during annual tests and after work has been completed on the system. It also
can help identify if a valve (control, check, or other) is partially shut or
other obstructions are present. Logic would say that a
David - that's certainly one option - On the ND side of the river that has been
the requirement. It's a shame there are jurisdictions requiring a solenoid in
spite of calculations - that's just one more long-term maintenance headache for
the owner.
Mark A. Sornsin, P.E. | Karges-Faulconbridge,
Hey Vince!
I think the intent of a main drain test is to check the 'status' of
the automatic water supply near the source, at acceptance, and
regulary to catch and unacceptable degradation. I might be wrong
though, since i have only thought that for about 2 minutes so far.
HNY 2 U 2!
Brad
Daniel,
This is somewhat parallel to the boat storage rack issue, for which there is no
definitive answer. The SF Bulletin sounds like a reasonable approach. Our
European brethren have a little more experience with this type of facility.
Hopefully some of them will chime in.
Great city. Long
Vince,
You may not find the 2" drain on the dry system worthless after a trip test and
it may be advantageous to pipe it to the outside wall (even if partially
trapped). That being said, from what my understanding is that the 2" drain test
is to verify that the valves are open and that by compa
Good morning & Happy New Year!
A 2" main drain test is required for system acceptance.
We're installing a dry pipe valve downstream and
auxiliary to a wet system with an alarm valve and a 2" drain.
My question is , would a 2" main drain test from the existing wet
system stand for an acceptance
Actually, some jurisdictions in MN still want the solenoid valve, even with the
calculation, so we have just been bringing in separate domestic and fire
services.
David Toshio Williams, FPE
LHB, Inc. Performance•Driven•Design
...sent from the cloud through the tubes!
On Dec 27
Question for members of the forum,
We have a building owner that has installed car storage racks in their parking
garage to double the available amount of parking in the garage. Each rack is a
solid shelf approximately 12' x 8' and rise about 5' to 6' off floor with room
to park a second compa
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