Thanks, that section says it all!
On Fri, Jun 10, 2011 at 4:45 AM, Morey, Mike <[email protected]> wrote: > 4.6.2.3.1 in the general requirements for liquid supplies as well as > several other sections including backflows and acceptance testing all state > that 150% or the maximum demand if 150% isn't available. There is some > commentary that suggests this situation may not be the best design practice, > but that it is acceptable. There are some sections relating to the pump > itself that indicate it shall be able to pump 150% of it's rated capacity > without exception, but I'm pretty sure that relates to the pump itself, not > the water supply, IE if the pump was attached to a better water supply it > should be capable of 150%. > > We had a local fire marshall order the city to loop an 8" underground main > after rejecting the black and white print of #20 on this subject though, and > he prevailed despite being wrong at a cost of about 150,000 to the tax > payer, which irked me, but at least it wasn't in the town I lived in I > guess. > > Mike Morey, SET, CFPS > Sprinkler Designer > BMW Constructors, Inc. > O: 317.651.0596 | C: 317.439.2695 > www.bmwc.com > > ________________________________ > > From: [email protected] on behalf of IPA > Sent: Thu 6/9/2011 6:28 PM > To: [email protected] > Subject: Re: Pump, Tank, 1000 ft suction line..... > > > > Yeah but the exception to the 150% requirement is under acceptance testing > & > maintenance. If you get out in the field after install and something ends > up > falling short then don't sweat it as long as you can provide the greater of > either 100% or the system demand. Correct me if I'm wrong but I don't think > the intention is to design a new install ready to fail from the beginning > and from what I can gather the original poster is in the design phase. > > > -Brian > > > > _______________________________________________ > 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)
