The guy who specified the 15 fps; where is his thumb?
At 02:42 PM 6/25/2010, you wrote: >NCDOI has a velocity limit in their standards, where it comes from, >who knows. Potter flow switches have a maximum surge of 18fps on the >VSR models. Is maximum surge the same has velocity? > >Thanks, >Eric Tysinger CET >NICET III - 108988 >Designer >Wayne Automatic Fire Sprinklers, Inc. >4370 Motorsport Drive >Concord, NC 28027 >p: (704)782-3032 x1751 >f: (704)795-6838 >C: (239)633-9703 > > >-----Original Message----- >From: [email protected] >[mailto:[email protected]] On Behalf Of Vince Sabolik >Sent: Friday, June 25, 2010 2:33 PM >To: [email protected]; [email protected] >Subject: Re: limits on velocity > >I've run into a lot of other thumbs too, but was always taught >16-32 fps since shortly after they invented water. > >At 02:27 PM 6/25/2010, you wrote: > >The question was asked because a specifying engineer is requiring 15 > >fps on all pipes - including existing piping for a 6 story retrofit. > >The existing system calculations indicate velocities of 34 fps. :-) > >Vince Sabolik >Christi Fire Protection, Inc. >11351 Pearl Road >Strongsville, Ohio 44136 > >T 440 572-7730 F 440 572-7719 Email: ><mailto:[email protected]>[email protected] > >_______________________________________________ >Sprinklerforum mailing list >[email protected] >http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum > >For Technical Assistance, send an email to: [email protected] > >To Unsubscribe, send an email to:[email protected] >(Put the word unsubscribe in the subject field) >_______________________________________________ >Sprinklerforum mailing list >[email protected] >http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum > >For Technical Assistance, send an email to: [email protected] > >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, CT 860.535.2080 www.fpdc.com _______________________________________________ Sprinklerforum mailing list [email protected] http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum For Technical Assistance, send an email to: [email protected] To Unsubscribe, send an email to:[email protected] (Put the word unsubscribe in the subject field)
