Not to refute Scot’s points which provide excellent insight, but be advised
that the Needed Fire Flows in the IFC or NFPA 1 are generally less than
those calculated by the Insurance Services Office (ISO) Needed Fire Flow
Formula, which incorporates additional factors for the calculation. For a
spec
We did not track maximum fire flow used in the fire ground. I informally
interviewed pump operators on a few heavily involved fires, and calc’ed fire
flow for same. I was shocked calc’s and flow approximated each other. I’ve
always considered origin of flow tables to be lost in history, and akin
Adel:
In some situations, I concur that NFPA 1, Table 18.4.5.2.1 is excessive.
This has been documented by Benfer and Scheffey[1].
I have compared fire flows from different countries for an 'industrial
occupancy'. A large part of the comparison was completed by Benfer and
Scheffey, who noted som
> 217.607.0325
> www.sprinkleracademy.com
> ce...@sprinkleracademy.com
>
> OUR STUDENTS SAVE LIVES!!
>
>
> --
> *From:* Sprinklerforum
> on behalf of Easter, Tim (Contractor)
> *Sent:* Monday, May 20, 2019 1:33 PM
> *To:* sprinklerforum@lists.firesprinkler.org
t;
OUR STUDENTS SAVE LIVES!!
From: Sprinklerforum on behalf
of Easter, Tim (Contractor)
Sent: Monday, May 20, 2019 1:33 PM
To: sprinklerforum@lists.firesprinkler.org
Subject: fire hydrant
NFPA 24
7.2.3
Hydrants shall be located not less than 40ft from the buildings to be protected.
This
its PPC grading.
On Mon, May 20, 2019 at 2:47 PM Steele, Andrew
wrote:
> Ask the AHJ. If explosives, then other NFPA standards, more specific, are
> likely to apply.
>
>
>
> If 40-ft stands, then it’s possible to consider that the fire hydrant
> might be used for maintenanc
t from the buildings to be
protected.
This seems awfully close if you have an explosive building. What is
usual distance for a fire hydrant from an explosive building? The fire
brigade does not fight fires here.
Best,
Timothy M. Easter
Ask the AHJ. If explosives, then other NFPA standards, more specific, are
likely to apply.
If 40-ft stands, then it's possible to consider that the fire hydrant might be
used for maintenance flushing/testing of the water service, and/or as a supply
to a fire apparatus taking a pos
NFPA 24
7.2.3
Hydrants shall be located not less than 40ft from the buildings to be protected.
This seems awfully close if you have an explosive building. What is usual
distance for a fire hydrant from an explosive building? The fire brigade does
not fight fires here.
Best,
Timothy M
You answered your question when you talked about the incline ofd the
curve. Send two guys or buy remote reading equipment so one guy can be
in two places at once. Without mentioning products I'd like to say
that one of my favorite children's books is famous Tales of MONSTERS
and Trolls.
On Tue, Oc
I have found a lot of the municipalities have been using just one hydrant
flow test for determining the flow @ 20 PSI
Some are just using the available flow for color coding caps rather than
figuring it @ 20 psi.
NFPA says color code @ 20 PSI if the curve is steep it can be a difference.
If I do a
r.org
[mailto:sprinklerforum-boun...@firesprinkler.org] On Behalf Of George Medina Jr
Sent: Monday, October 18, 2010 10:02 PM
To: sprinklerforum@firesprinkler.org
Subject: Re: Fire Hydrant Calculation Method
I am calcing for the system (private fire hydrant). I do not need a hose stream
( I was told to add the 1500
thod
for calculating the actual flow through the fire hydrant? Just my opinion.'
George Medina Jr.
-Original Message-
From: Ron Greenman
To: sprinklerforum@firesprinkler.org
Sent: Mon, Oct 18, 2010 10:41 pm
Subject: Re: Fire Hydrant Calculation Method
George,
I was being harassed by
g for the system (private fire hydrant). I do not need a hose
> stream ( I was told to add the 1500 as a hose stream allowance in the Hass
> program [not by any Hass Rep's] to simulate 1500 gpm flowing to the hydrant)
>
> There is going to be a new private fire hydrant on private pr
I get 7645gpm @ 20psi at the hydrant tested.
On Mon, Oct 18, 2010 at 7:01 PM, George Medina Jr wrote:
>
> I am calcing for the system (private fire hydrant). I do not need a hose
> stream ( I was told to add the 1500 as a hose stream allowance in the Hass
> program [not by any Hass Rep&#x
u can understand it two years from now at a
glance without having to wonder how the heck it was done.
Allan Seidel
St. Louis. MO
On Oct 18, 2010, at 9:01 PM, George Medina Jr wrote:
I am calcing for the system (private fire hydrant). I do not need a
hose stream ( I was told to add the 1500 as a
I am calcing for the system (private fire hydrant). I do not need a hose stream
( I was told to add the 1500 as a hose stream allowance in the Hass program
[not by any Hass Rep's] to simulate 1500 gpm flowing to the hydrant)
There is going to be a new private fire hydrant on private pro
e formula I was looking for, Thanks.
>
> Now to change the subject slightly, I am about to calculate a fire hydrant
> using the Hass program. The Inspector wants a minimum of 1500gpm at 20psi.
> The hydrant is a Clow 4"x4"x2½" hydrant ( I was told to just enter the flo
That is the formula I was looking for, Thanks.
Now to change the subject slightly, I am about to calculate a fire hydrant
using the Hass program. The Inspector wants a minimum of 1500gpm at 20psi. The
hydrant is a Clow 4"x4"x2½" hydrant ( I was told to just enter the flow in th
@firesprinkler.org
Subject: Re: Fire Hydrant Calculation Information
On my email it wasn't clear that it should be to the power of 0.54 and
not times 0.54. Just so everyone knows ... ^0.54
--
Trevor Spain
Fire Pro Corporation
On 10/18/2010 10:24 AM, Scott A. Futrell wrote:
> Anothe
QR=Residual flow measured in test
Scott
-Original Message-
From: sprinklerforum-boun...@firesprinkler.org
[mailto:sprinklerforum-boun...@firesprinkler.org] On Behalf Of David de Vries
Sent: Sunday, October 17, 2010 11:08 PM
To: sprinklerforum@firesprinkler.org
Subject: Re: Fi
unday, October 17, 2010 11:08 PM
To: sprinklerforum@firesprinkler.org
Subject: Re: Fire Hydrant Calculation Information
George, you can look up NFPA 291 on NFPA's website and read all about it. If
you don't have a copy, go to the Codes and Standards link at www.nfpa.org, then
half wa
P.E., CSP
Firetech Engineering Incorporated
--- On Fri, 10/15/10, George Medina Jr wrote:
From: George Medina Jr
Subject: Fire Hydrant Calculation Information
To: sprinklerforum@firesprinkler.org
Date: Friday, October 15, 2010, 6:39 PM
Forum,
What is the formula to find Hydrant flows a
George,
Given the hydrant flow test information, flow at any pressure may be
calculated as follows:
1. calculate and save K = (static - residual) / (measure flow^1.85)
2. Now calculate flow at any pressure "p": flow = [ (static - p) / K
]^(1/1.85)
The flow test information should already
Thanks guys.
George Medina Jr.
-Original Message-
From: George Medina Jr
To: sprinklerforum@firesprinkler.org
Sent: Fri, Oct 15, 2010 4:39 pm
Subject: Fire Hydrant Calculation Information
orum,
What is the formula to find Hydrant flows at 20 psi? ( Was that said correctly
George,
On Fri, Oct 15, 2010 at 4:39 PM, George Medina Jr wrote:
>
> Forum,
>
> What is the formula to find Hydrant flows at 20 psi? ( Was that said
> correctly)
> I used to have the formula set up in an excel spread sheet but lost it during
> file transfer from old computer to new computer.
Forum,
What is the formula to find Hydrant flows at 20 psi? ( Was that said correctly)
I used to have the formula set up in an excel spread sheet but lost it during
file transfer from old computer to new computer.
I also remember having a spreadsheet containing coefficients for the three
types
Question for those that work with fire hydrants :
What is the average time spent in the field on a job repairing hydrants from a
collission?
Just an average of labor hours,
Thanks
Forest Wilson
Cherokee Fire
Sent from my Verizon Wireless Phone
- Reply message -
From: "Steve Leyton
Regarding my first posting, when flowing the 4 1/2" outlet, per NFPA 291,
you do adjust the coefficient per Table 4.8.2. As an example, if out of the
4 1/2" outlet the pitot reading is 19 psi (hydrant outlet coef. Of .9 per
Figure 4.7.1) you would adjust the .9 coef. by .83 to get the coefficient
@firesprinkler.org
Subject: [Sprinklerforum] Fire Hydrant Flow Test
When flowing a 4" or 4 1/2" outlet on a fire hydrant, is there a multiple
coefficient that needs to be applied or do you use the same coefficient used
for a 2 1/2" outlet?
Thanks,
Gregg Fontes
Cen-Cal Fire Systems
When flowing a 4" or 4 1/2" outlet on a fire hydrant, is there a multiple
coefficient that needs to be applied or do you use the same coefficient used
for a 2 1/2" outlet?
Thanks,
Gregg Fontes
Cen-Cal Fire Systems, Inc
l in Paris (?). I always specify them and
quite often they are deleted by developers and architects when the
local FD says they don't want them.
Regards
Stewart
On 2 Jun 2009, at 21:50, Reza Esmaeili wrote:
> Hi All,
> I would appreciate if someone explain for me Fire Hydrant &
From: sprinklerforum-boun...@firesprinkler.org
[mailto:sprinklerforum-boun...@firesprinkler.org] On Behalf Of Reza Esmaeili
Sent: Tuesday, June 02, 2009 1:51 PM
To: sprinklerforum@firesprinkler.org
Subject: Fire Hydrant & Sprinkler System Water Supply
Hi All,
I would appreciate if someone explai
3:51 PM
To: sprinklerforum@firesprinkler.org
Subject: Fire Hydrant & Sprinkler System Water Supply
Hi All,
I would appreciate if someone explain for me Fire Hydrant & Sprinkler System
Water Supply.
I know that hydrants are for delivering water for professional fire fighting
for fire depar
Hi All,
I would appreciate if someone explain for me Fire Hydrant & Sprinkler System
Water Supply.
I know that hydrants are for delivering water for professional fire fighting
for fire department at 20 psi residual pressure.
Can fire hydrants installed in same main as the Fire sprinklers? If
bastard hose thread.
glc
-Original Message-
From: sprinklerforum-boun...@firesprinkler.org
[mailto:sprinklerforum-boun...@firesprinkler.org] On Behalf Of Russell
Sent: Wednesday, January 28, 2009 3:49 PM
To: sprinklerforum@firesprinkler.org
Subject: RE: Fire Hydrant Butts
I had
tection Systems Inc.
937 Linden Ave. W.
E. Rochester, N.Y. 14445
Office-(585) 381-7362
Fax-(585) 381-8263
E-mail - dlmcolon...@yahoo.com
From: Paul Johnson
To: sprinklerforum@firesprinkler.org
Sent: Wednesday, January 28, 2009 3:25:09 PM
Subject: Re: Fire Hyd
I had contacted the city's fire department chief (all volunteer fire
department) when I noticed something wasn't right and he says they are all
2-1/2". What he didn't tell me is that they are all 2-1/2" NPT thread and
not hose thread. I guess I had hose thread mentality at the time and not
imaginin
How are things?
Mobile message from
Paul Johnson
Bardane, Inc.
407-399-5081 - Wireless
-Original Message-
From: Daniel Merkle
Date: Wed, 28 Jan 2009 12:25:01
To:
Subject: Re: Fire Hydrant Butts
You could check with the local fire dept. and see what they use or if they have
You could check with the local fire dept. and see what they use or if they have
something you could borrow.
Daniel L. Merkle, CET
From: Russell
To: sprinklerforum@firesprinkler.org
Sent: Wednesday, January 28, 2009 3:11:07 PM
Subject: RE: Fire Hydrant
I measured the inside diameter and it was 2" (not that that means it's
officially deemed a 2" butt). This hydrant isn't in Valdosta but in a south
Georgia town smaller than Valdosta (if that's possible). This hydrant
appears to be very old and only has the two small butts which are at an
angle to o
You can probably get adapters. But be sure to check the thread type.
At 02:38 PM 1/28/2009, you wrote:
Anyone ever seen a fire hydrant with 2" hose butts rather than the most
common 2-1/2"? I need a cap in order to perform a flow test.
Russell Rewis
Brown Automatic Sprin
x: 970-879-7926
-Original Message-
From: sprinklerforum-boun...@firesprinkler.org
[mailto:sprinklerforum-boun...@firesprinkler.org] On Behalf Of Russell
Sent: Wednesday, January 28, 2009 12:38 PM
To: AFSA
Subject: Fire Hydrant Butts
Anyone ever seen a fire hydrant with 2" hose butts
Fax: 704-391-2709
Cell: 828-851-0080
ecka...@cintas.com
-Original Message-
From: sprinklerforum-boun...@firesprinkler.org
[mailto:sprinklerforum-boun...@firesprinkler.org] On
Behalf Of Russell
Sent: Wednesday, January 28, 2009 2:38 PM
To: AFSA
Subject: Fire Hydrant Butts
Anyone ever s
Anyone ever seen a fire hydrant with 2" hose butts rather than the most
common 2-1/2"? I need a cap in order to perform a flow test.
Russell Rewis
Brown Automatic Sprinklers, Inc.
107C Hemlock Street
Valdosta, Georgia 31601
229-244-8130
russ...@brownaut
in, other than
that just go to the manufacturing company & they will get you what you need.
- Original Message -
From: "Steve Leyton" <[EMAIL PROTECTED]>
To:
Sent: Monday, August 25, 2008 10:16 AM
Subject: Fire hydrant hydraulics
Does anyone have or know of a referen
Does anyone have or know of a reference for the actual head loss through
fire hydrants? The civil engineering community is apparently now so
diluted here in SoCal that we're being asked more and more to furnish
fire flow data AND calculations.
Steve Leyton
PROTECTION DESIGN & CONSULTING
884
sprinklerforum@firesprinkler.org
Subject: Fire hydrant testing
Greetings, I was asked an interesting question this morning by the local
fire marshal, so I thought I would pass it along to get your feedback.
What should be the minimum qualifications needed to be allowed to test a
fire hydrant
Sent: Tuesday, March 25, 2008 10:58 AM
To: sprinklerforum@firesprinkler.org
Subject: Fire hydrant testing
Greetings, I was asked an interesting question this morning by the local
fire marshal, so I thought I would pass it along to get your feedback.
What should be the minimum qualifications n
Williams - FPDC
Sent: Tuesday, March 25, 2008 9:22 AM
To: sprinklerforum@firesprinkler.org
Subject: Re: Fire hydrant testing
What does the licensing board have to say?
At 11:57 AM 3/25/2008, you wrote:
>Greetings, I was asked an interesting question this morning by the
>local fire marsh
0-937-1852 Facsimile
[EMAIL PROTECTED]
- >-Original Message-
- >From: [EMAIL PROTECTED]
- >[mailto:[EMAIL PROTECTED] On
- >Behalf Of Gregg Key
- >Sent: Tuesday, March 25, 2008 10:58 AM
- >To: sprinklerforum@firesprinkler.org
- &g
as asked an interesting question this morning by the
>local fire marshal, so I thought I would pass it along to get your
feedback.
>
>What should be the minimum qualifications needed to be allowed to
>test a fire hydrant per NFPA 25 or 291 requirements?
>
>Due to a local fire w
test a fire hydrant per NFPA 25 or 291 requirements?
Due to a local fire where the hydrant failed to work, the local Fire
Department is now enforcing the requirement that they be tested every year.
Problem is that plumbers and fire equipment guys are jumping in and
testing them as well as the
Greetings, I was asked an interesting question this morning by the local
fire marshal, so I thought I would pass it along to get your feedback.
What should be the minimum qualifications needed to be allowed to test a
fire hydrant per NFPA 25 or 291 requirements?
Due to a local fire where
lto:[EMAIL PROTECTED] On Behalf Of Matthew
J. Willis
Sent: Tuesday, October 23, 2007 9:44 AM
To: sprinklerforum@firesprinkler.org
Subject: RE: Fire Hydrant and Pump Testing
Bobby, I went thru that some time back. Almost a bad case dealing with a
theater. Only thing I can suggest is if you still ha
- >Bob, Heres a copy of NJ's water restrictions back in
- >2002. Hope this helps.
- >
- >John Drucker
- >Fire Protection Subcode Official
- >
- >
- > I, Bradley M. Campbell, Commissioner of the New Jersey
- >Department of Environment
John, thanks for confirm
I was wondering how you guys were making out down there.
When I can't get hydrant test due to a water emergency and have to
work with old data, I leave a bigger gap. If there is no data and I
need something, I have been known to do a "Captain Midnight" water
test. Also, if it is a LH occupanc
[mailto:[EMAIL PROTECTED] On Behalf Of Bobby
McCullough
Sent: Tuesday, October 23, 2007 6:51 AM
To: SprinklerFORUM@firesprinkler.org
Subject: Fire Hydrant and Pump Testing
Can any of you share your experience with drought conditions? A city near
metro Atlanta sent this message and the fir
Can any of you share your experience with drought conditions? A city near
metro Atlanta sent this message and the fire marshal wants to know how others
might handle this.
Bobby McCullough
Atlanta Sprinkler Inspection
The email from the fire marshal: Please inform your management companies that
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