Joe, Thanks for your contribution, Dan
Dan Arbel Risk Eng T: +972 (04) 8243337 F: +972 (04) 8243278 M: +972 (052) 2810593 -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Joe Hankins Sent: ו 26 ינואר 2007 04:27 To: [email protected] Subject: Re: Mismatch of upright and pendent sprinklers Dan, That is almost exactly what was tested. The concern was that the upright would operate first and prevent the pendant from operating. It operated first, but the pendant operated almost immediately after it. It makes a good solution for obstruction problems in existing systems, but the 35 ft. height limitation can be a deal killer. Joe Dan Arbel wrote: >If there is no problem of mismatch, > >Then what about the difference in clearance between the two types. > >In one particular case I found the upright at 5in and the pendent at 14in >clearance, next to each other. > >Dan > >Dan Arbel Risk Eng >T: +972 (04) 8243337 >F: +972 (04) 8243278 >M: +972 (052) 2810593 > > >-----Original Message----- >From: [EMAIL PROTECTED] >[mailto:[EMAIL PROTECTED] On Behalf Of Roland >Huggins >Sent: ה 25 ינואר 2007 21:39 >To: [email protected] >Subject: Re: Mismatch of upright and pendent sprinklers > >No restrictions that I am aware of. > >If memory serves me right, FM made an earlier statement that >localized upright ESFR sprinklers could be used within an otherwise >pendent ESFR system. That had to break the heart of the mfg that >developed the first upright (since they are far superior in regard to >obstructions). > >Joe - any comments? > >Roland > >On Jan 25, 2007, at 9:31 AM, Dan Arbel wrote: > > > >>Dear All, >> >>What is your opinion regarding the use of upright and pendent ESFR >>sprinklers in the same area? >> >>What about mixing brands of different manufacturers? >> >>Dan >> >> >> >> >> >>Dan Arbel Risk Eng >>T: +972 (04) 8243337 >>F: +972 (04) 8243278 >>M: +972 (052) 2810593 >> >> >> >>_______________________________________________ >>Sprinklerforum mailing list >>[email protected] >>http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum >> >> >> > >_______________________________________________ >Sprinklerforum mailing list >[email protected] >http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum > >_______________________________________________ >Sprinklerforum mailing list >[email protected] >http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum > > > _______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum _______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum
