Sch10 is a standard weight. Dyna-flo, XL and the now not listed Sch5 are none standard. Maybe he just wanted to exclude the latter.
"For I am not ashamed of the gospel , , because it is God’s power for salvation to everyone who believes..." HCS Romans 1:16 On Nov 29, 2011, at 10:16 PM, Mark Sornsin <[email protected]> wrote: > Maybe the engineer just stuck the term 'standard weight' in there out of > habit; or because his master spec has that in there; or because he thinks > he's doing somebody a service by requiring it.... or possibly, he has a > legitimate reason. Sadly, the last option is normally NOT the most likely. > > Sornsin > Ulteig > Fargo > ________________________________________ > From: [email protected] > [[email protected]] on behalf of George Church > [[email protected]] > Sent: Tuesday, November 29, 2011 8:45 AM > To: [email protected] > Subject: RE: STANDARD WEIGHT RISER PIPE > > There is no requirement in 13 for a riser to be Schedule 40. > The EOR must be wanting to increase the robustness of the riser for some > other reason. > Hopefully he doesn't require threaded joints or there may be some guys > looking for larger wrenches than they're used to using > (and maybe some larger muscles than they have). > > While some might quibble that "standard weight" could now be argued to be Sch > 10 for sprinkler mains and risers based on industry usage, I don't think > they'd win an argument with the EOR that when he said standard weight, he > meant Sch 40. > > George L. Church, Jr., CET > Rowe Sprinkler Systems, Inc. > PO Box 407, Middleburg, PA 17842 > 877-324-ROWE 570-837-6335 fax > [email protected] > > > > -----Original Message----- > From: [email protected] > [mailto:[email protected]] On Behalf Of > [email protected] > Sent: Tuesday, November 29, 2011 8:29 AM > To: [email protected] > Subject: STANDARD WEIGHT RISER PIPE > > In the spec it states; "Each vertical water supply riser shall be standard > weight pipe from grade floor level at entry of feed main into building up to > the highest horizontal cross main." > > > What is that supposed to mean? I've had more contractor confusion over that > statement and I've been trying to find if there's a requirement for the riser > to be Schedule 40 instead of allowing it to be Schedule 10 within the NFPA 13 > Standard. So far I haven't found anything that dictates pipe weight for a > riser. > > Anyone have any insight to offer? > > Craig L. Prahl, CET > Fire Protection > CH2MHILL > Lockwood Greene > 1500 International Drive > Spartanburg, SC 29304-0491 > Direct - 864.599.4102 > Fax - 864.599.8439 > CH2MHILL Extension 74102 > [email protected] > > > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum _______________________________________________ Sprinklerforum mailing list [email protected] http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum
