I also agree. That was my point about threaded fittings. Mark at Aero 602 820-7894
Sent from my iPhone > On Jan 19, 2016, at 6:37 AM, "Michael Hill" <[email protected]> wrote: > > To expand on this a bit more. Most of the grooved fittings that are used are > ductile iron, what allows their use. > > Mike Hill > > > -----Original Message----- > From: Sprinklerforum [mailto:[email protected]] > On Behalf Of Michael Hill > Sent: Tuesday, January 19, 2016 8:27 AM > To: [email protected] > Subject: RE: Ductile Iron Fittings > > How about working this from the other end. Get the listings for the proposed > fittings and seeing if any of them are acceptable in NFPA. > > Mike Hill > > -----Original Message----- > From: Sprinklerforum [mailto:[email protected]] > On Behalf Of [email protected] > Sent: Monday, January 18, 2016 5:22 PM > To: [email protected] > Subject: RE: Ductile Iron Fittings > > Yes, Chapter 10 gives the standards for DI pipe and fittings, but apparently > Chapter 10 isn't applicable to a riser manifold or spool piece. > > 6.3.1.1.1* Underground pipe shall be permitted to extend into the building > through the slab or wall not more than 24 in. > (600 mm). > > 10.1.4.1* Underground piping shall be permitted to extend into the building > through the slab or wall not more than 24 in. > (600 mm). [24:10.1.4.1] > > This may seem overly fastidious, but I work at a nuclear weapons plant where > "anal" is never mentioned because it's a given. > > J. Scott Mitchell, PE > Fire Protection Engineer | > Projects Engineering > CNS Pantex | 806.477.5883 | > > > > -----Original Message----- > From: Sprinklerforum [mailto:[email protected]] > On Behalf Of Duane Johnson > Sent: Monday, January 18, 2016 3:00 PM > To: [email protected] > Subject: RE: Ductile Iron Fittings > > The DI standards for pipes and fittings are listed in Chapt 10, Underground > Piping. > > > Duane Johnson, PE > Design Manager > Strickland Fire Protection > 5113 Berwyn Road > College Park, MD 20740 > 301-474-1136 Office > 301-455-0010 Cell > > > -----Original Message----- > From: Sprinklerforum [mailto:[email protected]] > On Behalf Of [email protected] > Sent: Monday, January 18, 2016 3:52 PM > To: [email protected] > Subject: RE: Ductile Iron Fittings > > B16.4 is for gray iron which I think is the most common form for fire > sprinkler system above ground threaded fittings. > > I'm attempting to determine the applicable standard for ductile iron flanged > fittings AND whether or not such fittings are permissible in the above > ground portion of the fire sprinkler system. Specifically in the riser > manifold. It could be a flanged ductile iron tee or flanged ductile iron > spool piece, etc. > > I heard that they are being used as I described. So, I thought I'd look it > up to see if NFPA 13 allowed it. And, none of the standards listed in the > acceptable materials table address ductile iron. > > I'm comfortable with pointing to 1.7 as a "back up" justification. But, any > more help would be appreciated. > > J. Scott Mitchell, PE > Fire Protection Engineer | > Projects Engineering > CNS Pantex | 806.477.5883 | > > > -----Original Message----- > From: Sprinklerforum [mailto:[email protected]] > On Behalf Of Matthew J Willis > Sent: Monday, January 18, 2016 2:29 PM > To: [email protected] > Subject: RE: Ductile Iron Fittings > > Scott, > > Isn't 36.10M for Welded and Seamless pipe? > B16.4 is for fittings. > > R/ > Matt > > Matthew J. Willis > Project Manager > Rapid Fire Protection Inc. > *NEW ADDRESS* > 1530 Samco Road > Rapid City, SD 57702 > Office-605.348.2342 > Direct Line-605.593.5063 > Cell-605.391.2733 > Fax:-605.348.0108 > > > > -----Original Message----- > From: Sprinklerforum [mailto:[email protected]] > On Behalf Of [email protected] > Sent: Monday, January 18, 2016 7:27 AM > To: [email protected] > Subject: RE: Ductile Iron Fittings > > Thanks for all the responses. > > The reason is because NFPA 13 does not include ductile iron (ASME B36.10M) > in the acceptable materials table. My opinion is that it is functionally > more than adequate. > > Would this be covered by section 1.7 (2016) for alternate arrangements? > > J. Scott Mitchell, PE > Fire Protection Engineer | > Projects Engineering > CNS Pantex | 806.477.5883 | > > > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org > > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org > > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org > > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org _______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org
