Steve- Look at the bright side....I had a project where the feds asked for a max velocity of 18.6 fps. When I asked about it....I was told it had something to do with laminar flow. 100% pure District of Columbia pipe "Dope".
Paul -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Todd Williams - FPDC Sent: Wednesday, November 14, 2007 4:24 PM To: [email protected] Subject: RE: Maximum Velocity 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/> > > > > > > > > > > _______________________________________________ > > Sprinklerforum mailing list > > [email protected] > > http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum > > > > To Unsubscribe, send an email to:Sprinklerforum- > > [EMAIL PROTECTED] > > (Put the word unsubscribe in the subject field) > >_______________________________________________ >Sprinklerforum mailing list >[email protected] >http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum > >To Unsubscribe, send an email >to:[EMAIL PROTECTED] >(Put the word unsubscribe in the subject field) >_______________________________________________ >Sprinklerforum mailing list >[email protected] >http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum > >To Unsubscribe, send an email to:[EMAIL PROTECTED] >(Put the word unsubscribe in the subject field) Todd G. Williams, PE Fire Protection Design/Consulting Stonington, Connecticut www.fpdc.com 860.535.2080 _______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum To Unsubscribe, send an email to:[EMAIL PROTECTED] (Put the word unsubscribe in the subject field) _______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum To Unsubscribe, send an email to:[EMAIL PROTECTED] (Put the word unsubscribe in the subject field)
