Steve, Can you split the difference and put a drum drip at the other end? 1/4" per 10' of main = 2 1/2" in 100'
Thanks, J. Lewis >________________________________ > From: Steve Leyton <[email protected]> >To: [email protected] >Sent: Thursday, August 1, 2013 12:15 PM >Subject: RE: Heat trace question > > >These are two isolated areas at a hospital - one over some outdoor >seating at the dining common and the other a canopy that covers trash >enclosures and a couple of service enclosures. Both are a couple >hundred feet from the service entry and if we built a dry riser there, >we don't have enough room to slope the long run of main to the protected >spaces. The AHJ is one of those state agencies that has <ahem> >interpreted the standard liberally, and they don't want any dry system >that may be downstream of the riser room no matter how it's configured, >so I'm thinking that trace may be an alternative to the auxiliary >drainage and maintenance issues associated with dry-pipe in this >particular application. > >Steve > > > > >-----Original Message----- >From: [email protected] >[mailto:[email protected]] On Behalf Of >Bobby Gillett >Sent: Thursday, August 01, 2013 12:03 PM >To: [email protected] >Subject: Re: Heat trace question > >Steve, > >I had priced a system about two years ago and learned a lot. I found >the Tyco Raychem system was the best for my scenario; a lot of factors >go in to it - depends on size of piping and length, how much (if any) >insulation will be used, temperatures, and don't forget it has to be >listed for FP and supervised per NFPA 13. We had a local Tyco >distributor work up the pricing >- we gave him our plans and he took it off and priced it. I'm glad he >did. >I would have missed a lot - this was a big system in a 100'-0+ tower >w/standpipes etc.. It ended up needing two panels for supervisory due to >the length of the cables, etc. > >Bobby > > >On Thu, Aug 1, 2013 at 1:53 PM, Steve Leyton ><[email protected]>wrote: > >> Help a warm weather brother out please, with recommendations for heat >> trace systems. Price, reliability, branch line listings? >> >> >> >> Steve Leyton >> >> PROTECTION DESIGN & CONSULTING >> >> 2851 Camino del Rio South, Suite 400 >> >> San Diego, CA 92108 >> >> ------------------------------------------------------------- >> >> Ph: 858.751.2930 - ext. 102 >> >> Fax: 858.751.2933 >> >> Cell: 619.972.5696 >> >> >> >> >> >> >> >> >> >> _______________________________________________ >> Sprinklerforum mailing list >> [email protected] >> >> http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkl >> er.org >> > > > >-- >Bobby Gillett >*Living Water Fire Protection, LLC* >1160 McKenzie Rd. >Cantonment, FL 32533 >(850) 937-1850 >livingwaterfp.com <http://livingwaterfp.com/> >_______________________________________________ >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
