Aren't there like 15 or 20 stories above us in this one? -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of Todd Williams Sent: Wednesday, May 12, 2010 11:03 AM To: [email protected] Subject: Re: Pipe Size
The caveat with that is if you have a very steep supply curve and the system is designed tight to it, you may want to check that you have enough volume. At 10:59 AM 5/12/2010, you wrote: >Without a doubt it will increase the total amount of water discharged >at available pressure but that is not a bad thing. The larger pipe >will not only reduce the required pressure, it will also lower the >required Q by reducing excess discharge / overage. If the system >demand is less then the surplus pressure is greater and once that is >shown to the AHJ, every one should be a happy camper. > >Roland > >On May 12, 2010, at 7:45 AM, Russell wrote: > > > Increasing the pipe sizes upstream of the remote sprinkler can cause a > > situation called "over spray" or "excess discharge". This increased > > discharge increases the total water demand on the supply which in turn > > lowers the available pressure which will decrease the safety margin. > > Just > > from my experiences. > > > > Russell Rewis > > Brown Automatic Sprinklers, Inc. > > 107C Hemlock Street > > Valdosta, Georgia 31601 > > 229-244-8130 > >_______________________________________________ >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) _______________________________________________ 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)
