I've never seen or done it... Jeff Garrison On Jan 16, 2012 9:39 AM, "C&H Fire - Mike Gallello" <[email protected]> wrote:
> Ok, another absurd question... > > Background: > Consider a dry standpipe system (Galvanized Sh40 throughout) in a > parking garage, 6 stories open air structure, core slab / concrete. > Class III Standpipe required but no sprinkler requirement, we have 6 > vertical standpipes, 3 of which are located in the stairwells. > > With that being said, 2010 14 - 6.1.2.2 States that "Standpipes and > lateral piping supplied by standpipes shall be located in enclosed exit > stairways or shall be protected by a degree of fire resistance equal to > that required for enclosed exit stairways in the building in which they > are located." > > There are 3 stairwells within this parking structure which are rated for > 2 hours, just like most of the other exits and access to egress required > ratings. > > This has been in the code for a while, but it's rare that we've been > stuck doing this and even more rare that the mechanical consultant has > pushed for this. They are saying 45 min based on nothing, I'm saying > don't bother doing it, but if you do it should be to code and have the > full 2 hour per NFPA 14. > > Absurd Question: > Is anyone actually doing this? Is there an amendment or errata to NFPA > 14 to ditch this? I can't count how many installations I've seen (and > done) that have no fire resistance wrap or anything installed after the > fact, or has ever been questioned really. I've only been doing this for > around 15 years and this is a first for me. I don't even want to look > at pricing for 2 hour wrap for around 300 feet horizontal and 6x3 > standpipes around 60' each. > > Mike Gallello > [email protected] > > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://fireball.firesprinkler.org/mailman/private/sprinklerforum/attachments/20120116/e36d813f/attachment.html> _______________________________________________ Sprinklerforum mailing list [email protected] http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum
