Steve,
that is very typical of a plan reviewer who doesn't understand the
impact of a smaller C-Factor on your calculations resulting in a greater
friction loss per foot, effectively generating an over-designed system.
If you had to spend two man hours to resolve that, then shame on the
reviewer.
similar to a question I received this week, "What do you mean by
'required deflector distance"?
sigh,
*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 08/01/2016 3:34 PM, Steve Leyton wrote:
We have an over-zealous plans reviewer worried about the in-building
riser sweep we use to transition from UG to OH. We’ve spent 2
man-hours to account for a .03 PSI pressure differential. But
righteousness has prevailed and we can add a node and document the
sweep now, so our plans reviewer should be able to sleep for the rest
of the week. I’m embarrassed at our sloppiness, using 140 for 10
critical feet of pipe and whatnot.
This is why Chapter 17 of my great novel is tentatively titled “Why
Stevie Drinks”.
SML
*From:*Sprinklerforum
[mailto:[email protected]] *On Behalf Of
*Brad Casterline
*Sent:* Monday, August 01, 2016 3:26 PM
*To:* [email protected]
*Subject:* Re: C-factor for stainless steel
Just curious about the application Steve, if it's not too proprietary?
I was going to guess foam concentrate piping but I think that requires
Darcy instead of Hazen whereby you would need the friction factor
instead of the c-factor...
So, uhhh????
Brad
On Aug 1, 2016 5:05 PM, "[email protected]
<mailto:[email protected]>" <[email protected]
<mailto:[email protected]>> wrote:
Don't feel bad, I went through the exact same exercise last October.
LOL. Right there the whole time but read over it a half dozen times
until someone on this form was kind enough to point it out to me.
BK
----- Reply message -----
From: "Mark Phillips" <[email protected]
<mailto:[email protected]>>
To: "[email protected]
<mailto:[email protected]>"
<[email protected]
<mailto:[email protected]>>
Subject: C-factor for stainless steel
Date: Mon, Aug 1, 2016 3:51 PM
It's a Monday for sure for me
Sent from my Verizon 4G LTE Droid
On Aug 1, 2016 5:49 PM, Steve Leyton <[email protected]
<mailto:[email protected]>> wrote:
Oh, no sh#t. Next to copper, blipped right over it.
SML
-----Original Message-----
From: Sprinklerforum [mailto:[email protected]
<mailto:[email protected]>] On Behalf Of Bob
Sent: Monday, August 01, 2016 1:38 PM
To:[email protected]
<mailto:[email protected]>
Subject: RE: C-factor for stainless steel
NFPA 13, 2013 ed. Table 23.4.4.7.1, C Value 150.
Thank you,
Bob Knight, CET III
208-318-3057 <tel:208-318-3057>
-----Original Message-----
From: Sprinklerforum [mailto:[email protected]
<mailto:[email protected]>]
On Behalf Of Steve Leyton
Sent: Monday, August 01, 2016 2:10 PM
To:[email protected]
<mailto:[email protected]>
Subject: C-factor for stainless steel
Does anyone know the C-factor of stainless steel and/or have a reference to a
materials standard that substantiates that value?
Thanks,
Steve L.
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