Thank you, George. Thanks, Ron. Ed
> -----Original Message----- > From: [EMAIL PROTECTED] [mailto:sprinklerforum- > [EMAIL PROTECTED] On Behalf Of George Church > Sent: Wednesday, November 19, 2008 6:38 AM > To: [email protected] > Subject: RE: Storage tank fill line > > Ed- > I'd agree that the choice is yours in #22. > > I don't have time to jump into #20, but it could be the auto part is > required is you're counting on a smaller than minimum design capacity > tank > and the refill is counted as part of the duration- since obviously that > would have to be an auto fill. > > This isn't an opinion of the NFPA #22 Committee, just that of the > writer. > > George Church > Rowe Sprinkler > > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of Ed Kramer > Sent: Wednesday, November 19, 2008 1:28 AM > To: [email protected] > Subject: Storage tank fill line > > Is an underground storage tank (designed per NFPA 22) required to have > an > automatic fill line (as opposed to a manual fill line)? In this case, > the > tank supplies a vertical turbine fire pump that supplies a sprinkler > system. > > > > Section 5.6.4.1 of NFPA 20 (07) says "A stored supply plus reliable > automatic refill shall be sufficient to meet the demand placed upon it > for > the design duration." OK, but I'm not finding anything that says the > refill > is required to be automatic. > > > > Jump to NFPA 22 (03). Section 13.4 addresses filling of the tank. > Section > 13.4.6 addresses filling of suction tanks and talks about where an > automatic > fill line must connect to the tank, but doesn't say an automatic fill is > required. Section 13.4.1.4 says the control valve on a bypass loop used > to > fill a tank shall be kept closed except when the tank is being filled. > Sounds manual to me. > > > > So all this leads me to believe the fill line is allowed to be manual or > automatic (designer's choice). Or am I missing something? > > > > Ed Kramer > > Littleton, CO > > _______________________________________________ > Sprinklerforum mailing list > http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum > For Technical Assistance, send an email to: > [EMAIL PROTECTED] > > To Unsubscribe, send an email to:Sprinklerforum- > [EMAIL PROTECTED] > (Put the word unsubscribe in the subject field) > > _______________________________________________ > Sprinklerforum mailing list > http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum > For Technical Assistance, send an email to: > [EMAIL PROTECTED] > > To Unsubscribe, send an email to:Sprinklerforum- > [EMAIL PROTECTED] > (Put the word unsubscribe in the subject field) _______________________________________________ Sprinklerforum mailing list http://lists.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)
