Discharge - 6.7.1.1.1, Coverage - 6.7.1.3.1. NFPA 13R (2002)
At 08:23 AM 5/19/2010, you wrote: >I'd ask him to please, for your edification, cite the sections of >the NFPA Standard where he derived his specification data. > >I guess he was looking at sprinkler data sheets and when it didn't >say that the sprinkler is designed for 0.10 or whatever gpm/sq. ft >he thinks it falls into that category? > > >Craig L. Prahl, CET >Fire Protection Specialist >Mechanical Department >CH2MHILL >Lockwood Greene >1500 International Drive >Spartanburg, SC 29304-0491 >Direct - 864.599.4102 >Fax - 864.599.8439 >[email protected] >http://www.ch2m.com > >-----Original Message----- >From: [email protected] >[mailto:[email protected]] On Behalf Of Todd Williams >Sent: Wednesday, May 19, 2010 6:11 AM >To: [email protected] >Subject: 13R sprinklers > >I am working on a project with a rather ignorant engineer who will >not accept listed flow requirements for residential sprinklers. He is >insisting on using the 12 x 12 spacing, 13 gpm for multiple sprinkler >flow and 18 for single sprinkler flow (we have to calculate both). My >question may be one of semantics, but this is what the engineer is >hanging everything on. Both the above spacing and discharge >requirements are under sections entitled "Sprinklers That Have Not >Been Listed with Specific (Discharge/Coverage) Criteria". Since >virtually all of the residential sprinklers I am aware of have >specific design and coverage criteria, am I to assume based on the >wording that sprinklers with specific criteria cannot be used under >this section? If so, are there any sprinklers without specific >criteria currently on the market? > >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) 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)
