Ken, I believe you are correct I think I may be getting too many standards confused... Btw when are you heading to NC again? Jamie Sent from my iPhone
On Dec 28, 2010, at 8:18 PM, Ron Greenman <[email protected]> wrote: > Jamie, > > Is the 18 at the flow switch a maximum to keep the paddle on the > switch or a minimum to insure the switch operates? I would think the > later. > > On Tue, Dec 28, 2010 at 4:49 PM, Jamie.seidl <[email protected]> wrote: >> Yes there are velocity requirements in the UFC along with the 3000 sqft >> HMRA. While I don't have them in front of me, 20 or 24 fps comes to mind, >> and 18 fps at the flow-switch (per UL). This always brings me back to the >> point of when your calculating the HMRA, wouldn't you also need to calc the >> closest area? No pressure loss = more flow? I typically do this calc when >> sizing a tank/pump set up for sizing of the tank v.s. Duration... Am I >> wrong? >> >> Jamie >> Sent from my iPhone >> >> On Dec 28, 2010, at 7:25 PM, [email protected] wrote: >> >>> The technical parts of this discussion have been interesting. >>> >>> I may have lost something in the trail of emails, but is there anything in >>> UFC 3-600-01 or other UFC standards that require velocity limitations. >>> >>> I have to go to Afghanistan in a couple of weeks to inspect some systems >>> that were done by a South Korean company. Prior to that we have to >>> evaluate and do calcs. where pipe was schedule sized. The fire protection >>> work for the bases is supposed to conform to UFC 3-600-01, but no other >>> govt. stds. that I know of. Because these buildings are not likely to be >>> long term, conservative design is not necessary and as many have pointed >>> out, 0.10/3000 is twice the norm anyway. >>> >>> I respectfully request no political commentary with the answer. >>> >>> Thanks in advance, >>> >>> >>> >>> James L (Jim) Roberts, PE/SET | FLUOR | Principal Fire Protection Engineer >>> – Central Engineering | [email protected] | IODC 20.5149 | O >>> +1.864.281.5149 | www.fluor.com >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> From: [email protected] >>> To: [email protected] >>> Date: 12/28/2010 05:49 PM >>> Subject: Re: USACE Velocity >>> Sent by: [email protected] >>> >>> >>> >>> Vince, >>> Believe it or not, there are considerable differences between UFC and GSA >>> fire protection requirements. >>> >>> I feel that it is better that we compete at the higher end of fire >>> protection rather at the lower end. >>> >>> There is difference in quality for longetivity. Anyone who thinks that >>> everything should be equal and minimal across the government only has to >>> remember the volkswagen (peoples car) that was destined to be the same for >>> everyone in another country. >>> >>> Competition is good but it does not have to be at the low end of a business >>> and specs do not have to be same from owner to owner or agency to agency. >>> >>> Rahe >>> >>> _______________________________________________ >>> 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) >>> ------------------------------------------------------------ >>> The information transmitted is intended only for the person >>> or entity to which it is addressed and may contain >>> proprietary, business-confidential and/or privileged material. >>> If you are not the intended recipient of this message you are >>> hereby notified that any use, review, retransmission, dissemination, >>> distribution, reproduction or any action taken in reliance upon >>> this message is prohibited. If you received this in error, please >>> contact the sender and delete the material from any computer. >>> >>> Any views expressed in this message are those of the individual >>> sender and may not necessarily reflect the views of the company. >>> ------------------------------------------------------------ >>> _______________________________________________ >>> 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) > > > > -- > Ron Greenman > Instructor > Fire Protection Engineering Technology > Bates Technical College > 1101 So. Yakima Ave. > Tacoma, WA 98405 > > [email protected] > > http://www.bates.ctc.edu/fireprotection/ > > 253.680.7346 > 253.576.9700 (cell) > > Member: > AFSA, SFPE, ASCET, NFPA, NFSA, AFAA, ASEE, NIBS, WSAFM, WFC > > They are happy men whose natures sort with their vocations. -Francis > Bacon, essayist, philosopher, and statesman (1561-1626) > _______________________________________________ > 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)
