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
Cliff Whitfield, SET
Fire Design, Inc.
184 Comfort Place
Burnsville, NC 28714
From: Sprinklerforum [mailto:sprinklerforum-boun...@lists.firesprinkler.org]
On Behalf Of James Crawford
Sent: Wednesday, October 12, 2016 4:58 PM
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
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?
Phaser Fire Protection Ltd.
Email jcrawf...@phaserfire.ca <mailto:jcrawf...@phaserfire.ca>
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