James,
I can remember back about 30 years ago that this seemed to be a common practice for in-racks. I believe the thinking was that if they overhead system had to be taken out of service for any reason, the racks would still be protected. Cliff Whitfield, SET President Fire Design, Inc. 184 Comfort Place Burnsville, NC 28714 Ph: 828-284-4772 <mailto:[email protected]> [email protected] <http://www.fire-design.com/> www.fire-design.com From: Sprinklerforum [mailto:[email protected]] On Behalf Of James Crawford Sent: Wednesday, October 12, 2016 4:58 PM To: [email protected] Subject: In-Rack Sprinkler Control Valve I just came from a building where the in-rack sprinklers are connected into the adjacent roof system. The building has two roof zones, north and south, the in-racks are in the north zone but connected into the south zone (no control valve at the connection point) I have never ever thought of doing this as it would send two different signals in the event of a fire, but cannot seem to find anything that says you can't do this, with the exception of alarm signals. Any comments on this arrangement? Thank you James Crawford Phaser Fire Protection Ltd. Phone 604-888-0318 Fax 604-888-4732 Cel 604-790-0938 Email [email protected] <mailto:[email protected]> --- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus
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