I don't recall anything in the standard against it. I admit I have never seen it.
Travis Mack, SET MFP Design, LLC "Follow" us on Facebook: https://www.facebook.com/pages/MFP-Design-LLC/92218417692 Send large files to MFP Design via: https://www.hightail.com/u/MFPDesign Sent from my iPhone > On Apr 11, 2017, at 3:40 PM, [email protected] wrote: > > That was my initial thought, but I want to be sure there is not going to be > an issue with mixing wet ceiling and double interlock pre-action rack > systems. > > Todd G Williams, PE > Fire Protection Design/Consulting > Stonington, CT > 860-535-2080 (ofc) > 860-553-3553 (fax) > 860-608-4559 (cell) > > >> On Apr 11, 2017 at 6:36 PM, <SET Travis Mack> wrote: >> >> If I understand you correctly, you just have a rack system with a separate >> riser. Flow the rack and overhead sprinklers and let the computer balance >> at the common junction point, wherever that is. >> Travis Mack, SET >> MFP Design, LLC >> 2508 E Lodgepole Drive >> Gilbert, AZ 85298 >> 480-505-9271 >> fax: 866-430-6107 >> email:[email protected] >> >> http://www.mfpdesign.com >> https://www.facebook.com/pages/MFP-Design-LLC/92218417692 >> Send large files to us via: https://www.hightail.com/u/MFPDesign >> LinkedIn: https://www.linkedin.com/in/travismack >>> On 4/11/2017 3:35 PM, [email protected] wrote: >>> I have been asked to look at a location which has 2 rack levels of pallets >>> storage over garage doors in a loading dock area (existing). The rack >>> sprinklers are presently fed from the existing wet ceiling system. Due to >>> freeze ups and mechanical damage issues, they would like to feed to rack >>> sprinklers from an adjacent pre-action system. Is there any issue with this >>> and how would I handle the hydraulic calculations? >>> >>> Todd G Williams, PE >>> Fire Protection Design/Consulting >>> Stonington, CT >>> 860-535-2080 (ofc) >>> 860-553-3553 (fax) >>> 860-608-4559 (cell) >>> >>> >>> _______________________________________________ >>> 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
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