This issue was clarified in the 2010 edition. In prior editions, the
standard addressed just the construction of the rack. Right, wrong,
or indifferent, the standard ignored the load within the rack. The
2010 edition added section 3.9.3.7.6 Rack Shelf Area that clearly
states the area is made up of the horizontal surface of a shelf in a
rack OR BY THE PLACEMENT OF LOADS that block openings that would
otherwise serve as the required flue spaces.
Roland
On Apr 15, 2011, at 3:20 PM, Gregg Fontes wrote:
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
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