If this is a US Government job, it probably has to be from a domestic
supplier......
At 04:07 PM 11/14/2007, you wrote:
Funny that this is an active thread again. Just got a spec' for an Army
Housing project. They call for a design in accordance with NFPA 13R,
and rack sprinklers per NFPA 230 with a maximum velocity of 20 FPS.
The real question here is where can I find out the country of origin of
the dope the EOR is smoking so that I can at least try to get on the
same page as the design team?
Steve Leyton
Protection Design & Consulting
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Roland
Huggins
Sent: Wednesday, November 14, 2007 12:41 PM
To: [email protected]
Subject: Re: Maximum Velocity
also look at 13: A.22.4.1 (last sentence) It is not necessary to
restrict the water velocity when determining friction loss using the
Hazen-Williams formula.
This is also in the 02 edition.
Roland
On Nov 12, 2007, at 6:41 AM, Brian Harris wrote:
> What's the general rule of thumb for maximum velocities in
> hydraulic calc's?
> I use Hydra-Calc and the default is set @ 32, I assume that's feet per
> second. Where did that number come from, I didn't see anything in
> the code
> book.
>
>
> Regards,
>
> <http://www.firstdefensefire.com/>
>
>
>
>
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Todd G. Williams, PE
Fire Protection Design/Consulting
Stonington, Connecticut
www.fpdc.com
860.535.2080
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