Calc with computer to 6 decimals, measure with micrometer, mark with piece of chalk and chop off with an axe.
Ron Fletcher Aero Automatic Phoenix, AZ -----Original Message----- From: sprinklerforum-boun...@firesprinkler.org [mailto:sprinklerforum-boun...@firesprinkler.org] On Behalf Of George Church Sent: Thursday, June 07, 2012 5:27 AM To: sprinklerforum@firesprinkler.org Subject: RE: RTI The amount of significant digits we work to in various aspects is quite varied. Some folks believe calc programs down to the .001 level when it all comes down to a gauge bouncing around in a variable water supply with uncontrolled changes. Yet we worry about inches in other areas. George L. Church, Jr., CET Rowe Sprinkler Systems, Inc. PO Box 407, Middleburg, PA 17842 877-324-ROWE 570-837-6335 fax g...@rowesprinkler.com -----Original Message----- From: sprinklerforum-boun...@firesprinkler.org [mailto:sprinklerforum-boun...@firesprinkler.org] On Behalf Of Brad Casterline Sent: Thursday, June 07, 2012 7:37 AM To: sprinklerforum@firesprinkler.org Subject: RE: RTI never mind (coffee worked), it's called 'nobody makes them because they would not be UL Listed', and it points out the amazing (to me) tolerances sprinklers are manufactured to. -----Original Message----- From: bcasterl...@fsc-inc.com [mailto:bcasterl...@fsc-inc.com] Sent: Thursday, June 07, 2012 5:34 AM To: sprinklerforum@firesprinkler.org Subject: RE:RTI correction, meter, not feet. i should have looked in 13 instead of trying to recall and thinking i needed to convert. but i now have another (perhaps stupid) question re the definition of fast response and standard response: if fast is RTI=50 or less and standard is 80 or more, what is in between called? I am really more interested in the reasoning for the DEFINITION in NFPA #13, not some box of heads in RTI limbo. Any TC members out there not totally fed-up with me yet? _______________________________________________ Sprinklerforum mailing list Sprinklerforum@firesprinkler.org http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum _______________________________________________ Sprinklerforum mailing list Sprinklerforum@firesprinkler.org http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum _______________________________________________ Sprinklerforum mailing list Sprinklerforum@firesprinkler.org http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum _______________________________________________ Sprinklerforum mailing list Sprinklerforum@firesprinkler.org http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum
