Yes, but if the rack is not always full of product, then there is no shelf.
There was a Technical Update back in January of 2006 that addressed a
similar (plywood sheets, 32 sq. ft.) situation.  The conclusion back then
was: Although this storage arrangement appears to be like solid shelving, it
is not the industry practice to install sprinklers in cantilever racks of
wood product storage like this.  Is that saying this is not solid shelving?


Thanks,
Gregg Fontes
Cen-Cal Fire Systems, Inc.
209-334-9119

-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of å... ....
Sent: Friday, April 15, 2011 3:10 PM
To: [email protected]
Subject: Cantilever Racks

Does it perform as solid shelving?  Yes, essentially, although there will be
some run-down.
Is it technically solid-shelving?  No.

The favorable factor to this scenario is the relative difficulty in igniting
2x6 lumber.
Would I protect as Class II in open shelved (cantilevered) racks?  Yes.
Flue space costs building owners money in unproductive floor.
Transverse flue space is essential to putting out rack fires.
If  you maintain 6 inch transverse flues (bolt the racks down that way or
install barriers)
   then 20' bays at your height should be OK.

scot deal
excelsior fire
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