Thom,

Tetrahedron. We are getting off but this is an important line of
discussion relative to what we are protecting. I'd say that the best
way to look at this is that if you removed all the stuff we put in a
building that isn't really part of the building, including built-in
furniture (cabinets, appliances, etc.) then the question is, "is
everything left covered by the sprinklers?" Is there sheetrock behind
the cabinet, no lintel or other obstruction, and does the room
sprinkler cover the alcove (closet) per spacing rules? If the answer
is yes to all these questions then no sprinkler would be necessary
inside the alcove (closet), but if the answer is no to any of those
questions I'd say the area enclosed by cabinet needs to be covered
regardless of shelving or other contents. Essentially we're taking
about a combustible concealed space when the doors are closed, or,
when a lintel is present, an obstructed space, or, when the space is
beyond the spacing rules of the room sprinkler, an unprotected area
within a sprinklered structure.

On Wed, Nov 5, 2008 at 9:43 AM, Thom McMahon <[EMAIL PROTECTED]> wrote:
> We would not need to "Sprinkler" a Residential Refrigerator, because we rely
> on the magnetic seal to keep air out and food fresh, hence the old fire tri
> angle wouldn't work until you open the door, and exposed the fire hazard to
> the air as well as the room sprinkler. Does the room sprinkler put out or
> contain the fire in the fridge? Hell no! When you jump back from that burst
> of flame as you opened the door, the inclined plane hinges will close it for
> you, returning the situation to the lop sided triangle again as soon as the
> air is used up. You might want to swear off that 8 alarm chili, or call Tom
> D. cause he'll want to get some before it's all gone. But that's another
> story.
>
> As far as commercial refrigerator's go, we do sprinkler them when we can
> actually walk inside it. Otherwise we once again rely on the "Automatically
> closing doors to break the tri angle of fire on the smaller ones.
>
> Yeah I know! The Tri angle of fire is "OLD School", and someday it will be
> the "Obelisk" of fire, but I hope by then to have been put to the flame for
> the last time.
>
> Thom McMahon, SET
> Firetech, Inc.
> 2560 Copper Ridge Dr
> P.O. Box 882136
> Steamboat Springs, CO 80488
> Tel:  970-879-7952
> Fax: 970-879-7926
>
>
>
> If we were to sprinkle the built-in linen shelves why not put one in the
> built-in refrigerator?
>
>
> Craig L. Prahl, CET
>
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-- 
Ron Greenman
at home....
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