JD -
Don't be quick to dismiss the lack of a "code" requirement for
displaying the coupon. NFPA 13 or IBC/IFC aside, the local jurisdiction
may have enacted a requirement for them to be displayed. I've been told
by more than one contractor in the San Francisco area that you haven't
experienced AHJ wrath until you bring them welded piping without the
coupons affixed. It was explained that such a requirement was one of
their responses to the mess that resulted from Dennis Frye.
Your mileage may vary.
*Ken Wagoner, SET
*Parsley Consulting***
*350 West 9th Avenue, Suite 206
*Escondido, California 92025
*****Phone 760-745-6181*
Visit our website <http://www.parsleyconsulting.com/> ***
On 2/18/2015 9:45 PM, JD Gamble wrote:
Thanks for all the insight. It would appear that there is no "code" for the
display of the coupon, just a measure of "good practice".
-----Original Message-----
From: Sprinklerforum [mailto:[email protected]]
On Behalf Of [email protected]
Sent: Wednesday, February 18, 2015 10:35 PM
To: [email protected]
Subject: RE: Mech Tee Installation
Every time I see the coupon, I wonder if it is the coupon from that pipe and
that hole. I also wonder, how do you retrieve the coupon from a riser?
Douglas Hicks
General Fire Equip Co of Eastern Oregon, Inc
I agree with all the should's. Hanging the cutout is a fantastic
idea, ain't required though which was the original question.
Chris Cahill, PE*
Associate Fire Protection Engineer
Burns & McDonnell
Phone: 952.656.3652
Fax: 952.229.2923
[email protected]
www.burnsmcd.com
*Registered in: MN
Proud to be #14 on FORTUNE's 2014 List of 100 Best Companies to Work
For
-----Original Message-----
From: Sprinklerforum
[mailto:[email protected]] On Behalf Of
rongreenman .
Sent: Wednesday, February 18, 2015 9:38 PM
To: [email protected]
Subject: Re: Mech Tee Installation
There is the requirement, as mentioned, for a coupon retrieval system
on the Above Ground Test Certificate. there should then be a shop SOP
and a field SOP. Attaching the coupon to the tee is a pretty good SOP
for the field work.
On Wed, Feb 18, 2015 at 5:12 PM, Cahill, Christopher
<[email protected]>
wrote:
What's the difference between the field cut and the shop cut? There
isn't an AHJ in the world that can tell if I shop drilled or field
drilled. At my last company often enough we'd shop drill. Or the
shop welded cut out?
Or is someone saying they all need to be attached? I don't see where
any need be. And the requirements for retrieval in no way shape or
form requires attachment. How exactly to you show compliance with
the dimensions for groove depth and width, thread specs, etc? 'Cuz
you know to an extent there is slop in these and they hold at least
for a while outside specs. Do ya'll hang gauge templates to every
fitting to show compliance?
Do you hang a weld x-ray on each weld? 'Cuz you know there are
requirements that can't be readily seen if they are in compliance.
Do you hang the ball peen hammer next to the 'fixed' dripping welds
that occasionally occur?
Every seen the weld scraping from the factory produced pipe get
dropped and adhered to the inside of the next pipe in the formation
line? Now if I knock them loose I can show they were removed by
attaching. Wonder how you show compliance if they didn't occur in the
first place?
My real point in my ramblings is there comes a place where we have to
trust all involved did their job right. Do things get left in the
pipe occasionally? Sure do, but we need to tackle keeping the valve
open before we get into the minutia of the other possible failures
which all together don't add up to a lot of failures.
Chris Cahill, PE*
Associate Fire Protection Engineer
Burns & McDonnell
Phone: 952.656.3652
Fax: 952.229.2923
[email protected]
www.burnsmcd.com
*Registered in: MN
Proud to be #14 on FORTUNE's 2014 List of 100 Best Companies to Work
For
-----Original Message-----
From: Sprinklerforum [mailto:
[email protected]] On Behalf Of Kenneth
Berman
Sent: Wednesday, February 18, 2015 6:32 PM
To: [email protected]
Subject: Re: Mech Tee Installation
attaching the coupon shows compliance with retrieval requirement.
2007
13-
6.5.5.2(2) Might as well hang it there, it's just trash.
On Wed, Feb 18, 2015 at 5:26 PM, John Denhardt <
[email protected]
wrote:
No reference in NFPA 13 that I'm aware. Usually see the
requirement in a specification. You might want to look at a
manufacturer's installation instruction sheet that is part of the
listing for the
device.
John
-----Original Message-----
From: Sprinklerforum [mailto:
[email protected]] On Behalf Of JD
Gamble
Sent: Wednesday, February 18, 2015 6:08 PM
To: [email protected]
Subject: Mech Tee Installation
Does anyone know the actual Code for requiring the attachment of a
drill out to a Mech Tee?
I know its good practice, but does anyone know the actual code, or
is there one?
Life Safety Solutions of Sheridan
JD Gamble
[email protected] <mailto:[email protected]>
(307) 763-3361
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