Funny. I just ranted to a friend yesterday about people answering the wrong question because they didn't read it all. I'll blame 66 year old eyes trying to see the cell phone without glasses.
That said can you even find a polyethylene tank large enough? If you can then you'd have to argue equivalency and get buy in from the AHJ. On Friday, May 13, 2016, Tim Stone <[email protected]> wrote: > Ron, > > > > My original post was including 13R systems not 13Ds. > > After I wrote I went back through NFPA 22 and found section 4.4 “Tank > Material”. The 2013 edition of NFPA 13R now refers us to NFPA 22 if tanks > are to be used. > > > > Maybe the State will allow us the equivalency clause in 1.4. > > > > Regards, > > *G. Tim Stone* > > > > *G. Tim Stone Consulting, LLC* > > *NICET Level III Engineering Technician* > > *Fire Protection Sprinkler Design* > > *and Consulting Services* > > > > * 117 Old Stage Rd. - Essex Jct., VT. 05452* > > *CELL: (802) 373-0638 TEL: (802) 434-2968 Fax: (802) 434-4343* > > [email protected] > <javascript:_e(%7B%7D,'cvml','[email protected]');> > > > > *From:* Sprinklerforum [mailto: > [email protected] > <javascript:_e(%7B%7D,'cvml','[email protected]');>] > *On Behalf Of *rongreenman . > *Sent:* Friday, May 13, 2016 10:20 AM > *To:* [email protected] > <javascript:_e(%7B%7D,'cvml','[email protected]');> > *Subject:* Re: Polyethylene Tanks > > > > NFPA 22 is not referenced in NFPA 13D so it doesn't apply just as NFPA 24 > isn't referenced and so doesn't apply to underground lead-ins in SFDs. > These guys get a little crazy sometimes. There is a jurisdiction here that > wants sprinklers in garages that uses the IBC-S2/NFPA-OH1 path for > guidance. That leaves us with a density and duration on an SFD garage that > meets the criteria fro a commercial parking structure. > > > > On Fri, May 13, 2016 at 7:00 AM, Tim Stone <[email protected] > <javascript:_e(%7B%7D,'cvml','[email protected]');>> wrote: > > Are there any requirements in NFPA 22 not allowing the use of Polyethylene > water storage tanks for residential or commercial sprinkler systems? These > tanks are installed above ground usually in Basements. > > The local State agency is getting ready to adopt the 2013 edition of NFPA > 22 and I am being told NFPA 22 only permits Fiberglass. I don’t see where > Polyethylene is excluded. > > > > Thoughts please. > > > > Regards, > > *G. Tim Stone* > > > > *G. Tim Stone Consulting, LLC* > > *NICET Level III Engineering Technician* > > *Fire Protection Sprinkler Design* > > *and Consulting Services* > > > > * 117 Old Stage Rd. - Essex Jct., VT. 05452* > > *CELL: **(802) 373-0638* <%28802%29%20373-0638>* TEL: **(802) 434-2968* > <%28802%29%20434-2968>* Fax: **(802) 434-4343* <%28802%29%20434-4343> > > [email protected] > <javascript:_e(%7B%7D,'cvml','[email protected]');> > > > > > _______________________________________________ > Sprinklerforum mailing list > [email protected] > <javascript:_e(%7B%7D,'cvml','[email protected]');> > > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org > > > > > > -- > > Ron Greenman > > > 4110 Olson Dr., NW > Gig Harbor, WA 98335 > > [email protected] > <javascript:_e(%7B%7D,'cvml','[email protected]');> > > 253.576.9700 > > > > A problem well stated is a problem half solved. -Charles F. Kettering, > inventor and engineer (1876-1958) > -- Sent from Gmail Mobile
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