I spoke with Matt Klaus about this at the AFSA convention and he basically said there isn't a "great answer" Try and place sprinklers over the tops of the walls, if that's not possible due to the size of the units have them, build them higher, stagger the heads, and or get with the contractor and AHJ and have them "approve" a method that has the most common sense... My response was that although the AHJ might be approving it ultimately it's the contractor that will be held liable in the event of a fire (and grilled by the insurance attorneys), he agreed and said at least if you have something in writing from the AHJ is shows the situation was discussed and this was the best case scenario everyone could agree on..
Rocci Cetani III, CET Designer Water-Based Fire Protections Systems Layout, Nicet Level III Northern California Fire Protection Services Inc. 16840 Joleen Way Bldg. A Morgan Hill, CA 93037 P-(408) 776-1580 EXT.111 F-(408) 776-1590 <mailto:[email protected]> [email protected] <http://www.norcalfire.com/> www.norcalfire.com CONFIDENTIALITY NOTICE: This message and any document accompanying it may contain confidential information belonging to the sender. The information is intended only for the use of individual or entity named above. If you are not the intended recipient, or the employee or agent responsible to deliver this message to the intended recipient, you are hereby notified that any disclosure, copying or taking of any action in reliance on the contents of this information is strictly prohibited. If you have received this transmission in error, please immediately notify us by telephone to arrange for return of the documents. From: Sprinklerforum [mailto:[email protected]] On Behalf Of John Paulsen Sent: Saturday, January 28, 2017 9:11 AM To: [email protected] Subject: Floor mounted obstructions - ORDINARY HAZ I am trying to determine the proper deflector distance from a partition with the top located 18" below the sprinkler deflector. This is an Ord Haz Grp II Self Storage facility with standard spray QR Tyco TY-FRB TY3131 uprights. Sec 8.6.5.2 doesn't give a table like 8.6.5.2.2 which is for Light Hazard only. If I have to space the heads as if the low partitions went all the way to the deck, I will violate the 6' minimum rule. What am I missing here? Thanks,
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