22.4.1.2 Pipe sizes shall be no less than 1 in. (25 mm) nominal for ferrous piping and 3⁄4 in. (20 mm) nominal for copper tubing or nonmetallic piping listed for fire sprinkler service.
2010 EDITION On 10/20/2011 9:49 AM, George Medina Jr wrote:
Forum, I surveyed a high rise in Los Angeles for a tenant improvement and the entire system was done in Copper. I noticed the drops and end of lines were in 3/4" copper. Is that allowed in NFPA-13? The system is not more than 25 years old. If it is allowed, can somebody point me to the code section. Thank, George Medina Jr. Singleton Fire Protection -------------- next part -------------- An HTML attachment was scrubbed... URL:<http://fireball.firesprinkler.org/mailman/private/sprinklerforum/attachments/20111020/ac8965a5/attachment.html> _______________________________________________ Sprinklerforum mailing list [email protected] http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum
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