Nothing that I am aware of mandates it. I have seen AHJs wrongly
interpret 8.4.7.2 that you reference and apply it to standard spray
sprinklers and dry systems. But, NFPA 13 does not mandate galvanized on
dry systems supplying sprinklers other than large drop (CMSA).
Obviously if you are in an environment that warrants galvanized, you may
have to use it. Also note, in the 2013 edition, I don't believe you can
use C120 any longer for dry systems with galvanized.
Travis Mack, SET
MFP Design, LLC
2508 E Lodgepole Drive
Gilbert, AZ 85298
480-505-9271
fax: 866-430-6107
email:[email protected]
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On 9/15/2015 8:36 AM, Spencer Allen wrote:
Ladies and Gents,
Is there a clause within NFPA that requires the use of galv pipe on dry
systems? The only clause I can find is 8.4.7.2 and this is in reference to
CMSA sprinklers.
Thanks in advance,
Spencer Allen
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