Thom, Excellent analysis. Learn to read calcs. Learn that they are a mathematical model of what gores on in the system. Learn what numbers are the most and least important. Learn how to read the computer generated calcs to make sure you're not a victim of GIGO.
On Thu, Apr 10, 2008 at 10:28 AM, Thom McMahon <[EMAIL PROTECTED]> wrote: > Do our hydraulic formulas accurately reflect what really happens in flowing > systems? Yes they have been shown over and over again to be accurate. > In-accurate are the original flow info we base our designs on, as Brian > found out. So do we bucket test the system we know works hydraulically, or > do we verify that the supply is at least as good as entered in the calc's? > (The reason for the annual main drain test, to alert us of systematic > changes to the supply.) For those who can't read Hyd. Calc's to know if they > work, I say start taking classes! If you can't read calc's you probably > can't understand a flow test either, and should certainly not be reviewing > and or approving systems. Bucket Testing is a way for the un-educated to see > in a manner they can understand that the sprinkler system works. It was a > method for AHJ's that had no experience with Hydraulics to review and > approve 13D installations. (One would hope this was in rural areas with > mostly "Volunteer" Departments.) I would hope that as more and more 13D, R > and 13 systems are being installed, that the AHJ's become more "Educated" > and not rely on filling the "Bucket" to prove to themselves that systems > work. > > If I sound condescending, I apologize. But this is just another education > opportunity, if we put the right spin on it. > > Thom McMahon > Firetech, Inc. > 2560 Copper Ridge Dr > Steamboat Springs, CO 80488-2136 > Tel: 970-879-7952 > Fax: 970-879-7926 > ----- Original Message ----- > _______________________________________________ > 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) > -- Ron Greenman at home.... _______________________________________________ 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)
