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
> 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, 188.8.131.52.4 – 184.108.40.206.4.2 for more info.
> NFPA 13, 2013: 220.127.116.11.3 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 18.104.22.168.2.3 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
> 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
> Sent: Wednesday, November 30, 2016 11:17 AM
> To: firstname.lastname@example.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.
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