Clear as mud yet Joe?
I hate to bother you but the last time I read NFPA 25 it was NFPA 13A
('care and feeding' we called it), and it is indisposed from me at the
moment.
My questions for you is about the 1st line of your 3rd paragraph, removing
the flushing connection every 5 years checking for foreign material:
1) you only do that for wet systems, not dry or pre-action, right?
2) do you do that for wet systems using CPVC pipe?
3) what is your (or 25's) definition of 'foreign material'?thanks, brad On Sep 1, 2016 7:40 AM, "Joe" <[email protected]> wrote: > Gentlemen, > I have a quick question that I hope you can clarify for me. > > It concerns what the NFPA defines as a system. > > Section 14.2.1 states that an inspection of piping is completed by opening > a flushing connection at the end of *one main *(most likely the cross > main) and by removing a sprinkler toward the end of *one branch line* to > look for any type of foreign material. > Section 14.2.2 states “*In buildings having multiple wet pipe systems, > every other system *shall have an internal inspection of piping every 5 > years as described in 14.2.1.” > > My question concerns what NFPA defines as *multiple wet pipe systems for > 14.2.2*. What items in a system define it as a separate wet pipe system? > If it has a "main check valve" and "alarm device" does that define it, OR if > it has a "gate valve" and "alarm device" does that define it? > > What I am really trying to figure out is: > So if I have 1 wet pipe valve that feeds 3 floors, do I need complete the > requirements of Section 14.2.1 on 1 floor, 2 floors, 3 floors, or > multiple locatons per floor? > > I hate to bother you guys, but I have searched and researched. I am just > not getting real clarity. If I do not really know, and understand the exact > details on something like this, it drives me crazy. > > Thank you for your insight, > Joe > ᐧ > > ᐧ > > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler. > org > >
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