I'm confused how if the space is inhabitable should be a criterion for
installing sprinklers.  After all, sprinklers are installed inside
industrial ovens and flammable liquid storage cabinets all the time.  Nobody
in this discussion thread has asked if the cooler construction warrants the
installation of sprinklers.  Although the surface of the cooler walls and
ceiling may be metal lined, what happens if it is exposed to heat, warps,
and exposes the foam insulation beneath?  That's why UL Listed or FM
Approved panels need to be used, to ensure the construction materials don't
contribute to the fire load.  

-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of Fairchild,
Jack
Sent: Friday, April 24, 2009 11:13 AM
To: [email protected]
Subject: RE: Walk-in cooler

I don't see how a 10' deep box could not be a walk-in style.  There's two
main problems.  The required slope of the shelves would drive the height of
the box beyond 7' and loading the box from the front would very difficult to
manage.  It's too much weight to push.  It could be front loading from all 4
sides of the box.  Personally if you can walk inside, you need a sprinkler,
otherwise it's really large furniture.  Also at 7' high it's likely the
required 18" clearance isn't going to be met.

Jack Fairchild, CFPS  |  Fire Protection Designer  |  Ballinger  |  v
215.446.0596 |   f  215.446.0597  |  833 Chestnut Street  Suite 1400   
Philadelphia, PA   19107  |  www.ballinger-ae.com


George,

I don't recall it being described as "big insulated panel box.' In
fact I think Tony said he hadn't seen it. Go back a post or two. My
thought is that if this thing is a factory manufactured device  that
is brought out on a truck, dropped off and plugged-in (even if it
comes in large sub-assemblies that just plug into each other) then
it's a big reefer and not a room or space.

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