If it is 62 ft in the air and is not pitched, demo is probably the only way to go. Then they can install the ceiling at 40 ft and put a system under it.
At 09:02 AM 4/11/2009, you wrote: >It may be more cost effective to demo existing system and install new dry. >The heads are 40 years old, pipe is sch 40 screwed...you'd save a >lot on labor. >Forest Wilson > >-----Original Message----- >From: Daniel Merkle <[email protected]> > >Date: Sat, 11 Apr 2009 05:54:48 >To: <[email protected]> >Subject: Re: Storage Sprinkler > > >They are storing empty tin cans on pallets. (Primarily empty # 10 >cans) Each pallet load is eight foot high. Then three loads stacked. >The problem with this building is that it has an existing wet >sprinkler system that was installed during the 60's. The building is >a little over 23,000sqft. The owner would like to turn the system >into a dry b/c of the heat bill during the winter months being over >$10,000.00 a month. Have not been able to figure out what the >original design intent, but the pipe sizing is out of control. Lots >of 10", 8", 5" and of course some 3 1/2". System would need to be >split. Currently as one system would have a volume of over 2,100 gal. > > Daniel L. Merkle, CET > > > > > > >________________________________ >From: Todd Williams <[email protected]> >To: [email protected] >Sent: Friday, April 10, 2009 2:37:32 PM >Subject: Re: Storage Sprinkler > >Just out of curiosity, what is the Class I product they are storing >solid piled to 24'? > > > >At 12:17 PM 4/10/2009, you wrote: > >Sorry, storage hight is 24'-0 which would give me 130% per > >14.2.4.3. My concern is the 38'-0" of open space to the roof. What > >if the roof was 100ft. high? > > > > Daniel L. Merkle, CET > > > > > > > > > > > > > >________________________________ > >From: Thom McMahon <[email protected]> > >To: [email protected] > >Sent: Friday, April 10, 2009 11:46:19 AM > >Subject: RE: Storage Sprinkler > > > >This is another "Outside the scope of NFPA 13" Situations. Obviously input > >from the sprinkler MFG.'s is good but they will be reluctant to take any > >design responsibility for conditions not defined by NFPA 13, or confirmed by > >testing. Time to hire a "Good" FPE. > > > >Even if you just look at Fig. 14.2.4.3, you'll see for 35 foot height you'd > >need over 200% design density if the graph even went that high. Then you > >have the additional problem of delayed response for the ceiling height > >outside of the scope. How do you allow for that? 2x or 3x the design area? > >You may even be looking at something other than "Control Mode" protection. > >Deluge? HE Foam? IR detection? > > > >Time for professional help outside of the "proscriptive Standard". > > > >Thom McMahon, SET > >Firetech, Inc. > >2560 Copper Ridge Dr > >P.O. Box 882136 > >Steamboat Springs, CO 80488 > >Tel: 970-879-7952 > >Fax: 970-879-7926 > > > > > > > >-----Original Message----- > >From: [email protected] > >[mailto:[email protected]] On Behalf Of Daniel Merkle > >Sent: Friday, April 10, 2009 9:06 AM > >To: [email protected] > >Subject: Storage Sprinkler > > > >Anyone know of a storage sprinkler to protect a 62'-0" high building with > >solid pile Class 1 storage, stored to 36'-0"? > > > >Daniel L. Merkle, CET > > > > > > > >_______________________________________________ > >Sprinklerforum mailing list > >http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum > >For Technical Assistance, send an email to: [email protected] > > > >To Unsubscribe, send an email to:[email protected] > >(Put the word unsubscribe in the subject field) > > > >_______________________________________________ > >Sprinklerforum mailing list > >http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum > >For Technical Assistance, send an email to: [email protected] > > > >To Unsubscribe, send an email to:[email protected] > >(Put the word unsubscribe in the subject field) > > > > > > > > > >_______________________________________________ > >Sprinklerforum mailing list > >http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum > >For Technical Assistance, send an email to: [email protected] > > > >To Unsubscribe, send an email to:[email protected] > >(Put the word unsubscribe in the subject field) > >Todd G. Williams, PE >Fire Protection Design/Consulting >Stonington, Connecticut >www.fpdc.com >860.535.2080 >_______________________________________________ >Sprinklerforum mailing list >http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum >For Technical Assistance, send an email to: [email protected] > >To Unsubscribe, send an email to:[email protected] >(Put the word unsubscribe in the subject field) > > > > >_______________________________________________ >Sprinklerforum mailing list >http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum >For Technical Assistance, send an email to: [email protected] > >To Unsubscribe, send an email to:[email protected] >(Put the word unsubscribe in the subject field) >_______________________________________________ >Sprinklerforum mailing list >http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum >For Technical Assistance, send an email to: [email protected] > >To Unsubscribe, send an email to:[email protected] >(Put the word unsubscribe in the subject field) Todd G. Williams, PE Fire Protection Design/Consulting Stonington, Connecticut www.fpdc.com 860.535.2080 _______________________________________________ Sprinklerforum mailing list http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum For Technical Assistance, send an email to: [email protected] To Unsubscribe, send an email to:[email protected] (Put the word unsubscribe in the subject field)
