NFPA 14 has similar requirements for the dry pipe valve but this is a sectional 
control valves (another term from 13 since 14 does not differentiate by name 
but it helps focus the discussion).


Roland Huggins, PE - VP Engineering
American Fire Sprinkler Assn.       ---      Fire Sprinklers Saves Lives
Dallas, TX
http://www.firesprinkler.org <http://www.firesprinkler.org/>



> On Nov 30, 2016, at 12:11 PM, craig.pr...@ch2m.com wrote:
> 
> Heat trace systems for fire protection are to be Listed for their intended 
> purpose.  You need to look at the listing to see what the system’s 
> installation limitations are.  Some systems may only be used for pipe up to a 
> certain size for example.
>  
> No you cannot use heat tape on system valves.
>  
> The systems are also to be electrically supervised, typically accomplished 
> through the fire alarm system.
>  
> See 2013, NFPA 13, 8.16.4.1.4 – 8.16.4.1.4.2 for more info.
>  
> NFPA 13, 2013: 7.2.5.2.3 Heat tape shall not be used in lieu of heated valve 
> enclosures to protect the dry pipe valve and supply pipe against freezing.
> This is under Dry Pipe Valves, there is also similar verbiage under preaction 
> and deluge valves in 7.3.1.8.2.3 since dry, preaction or deluge would be the 
> most likely systems used where the system could be subject to freezing.  it 
> would be assumed that a wet pipe system valve would automatically be located 
> in a heated area.
>  
>  
>  
> 
> Craig L. Prahl 
> Fire Protection Group Lead/SME
> CH2M
> 200 Verdae Blvd. 
> Greenville, SC  29607
> Direct - 864.920.7540
> Fax - 864.920.7129
> CH2MHILL Extension  77540
> craig.pr...@ch2m.com <mailto:craig.pr...@ch2m.com>
> 
>  
> From: Sprinklerforum [mailto:sprinklerforum-boun...@lists.firesprinkler.org 
> <mailto:sprinklerforum-boun...@lists.firesprinkler.org>] On Behalf Of Dewayne 
> Martinez
> Sent: Wednesday, November 30, 2016 11:17 AM
> To: sprinklerforum@lists.firesprinkler.org 
> <mailto:sprinklerforum@lists.firesprinkler.org>
> Subject: pipe heat trace [EXTERNAL]
>  
> I need to heat trace some standpipe feed mains in a parking garage when 
> running from the riser room to the stairwells.  Is it acceptable to also heat 
> trace the standpipe control valves?  They would prefer to keep them out of 
> the stairwells.
> Thanks,
> Dewayne 
> _______________________________________________
> Sprinklerforum mailing list
> Sprinklerforum@lists.firesprinkler.org 
> <mailto:Sprinklerforum@lists.firesprinkler.org>
> http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org 
> <http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org>
_______________________________________________
Sprinklerforum mailing list
Sprinklerforum@lists.firesprinkler.org
http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org

Reply via email to