Ryan, take a look as section 8.3.4.1 ('02 and '07). The commentary in the
handbook says sprinklers with a K less than 5.6 can only be used in light
hazards, but the text in 8.3.4.1 doesn't clearly say that. It simply says
small orifice sprinklers are allowed in light hazards under certain
conditions, but DOESN'T say they aren't allowed in ordinary & extra hazards.
Seems to me the intent is that they only be used in light hazards. That
section could use some rewording.
Ed Kramer
Littleton, CO
> To all,
> To clarify, I did misspeak with regard to the word "balance". Per
> 13(2002)
> A14.4.4.6 the head in the exhaust duct can be a different K-factor and
> is
> not considered balancing, the coverage area is simply considerably
> smaller
> those of the other heads in the booth. That being said, a 2.8K head
> equalizes my calcs better than a 5.6K head does. Can I use one that
> small?
> The top of this stack happens to be 10' above the top of the roof level.
> The stack comes vertically out the top of the cavity behind the filters.
> Is
> this head required to be just below the rain guard above stack? I don't
> see
> how a head placed anywhere else will ever actuate...unless a deluge
> system
> is used.
>
> Thank you all for the input.
>
> Ryan Hinson
> FCDS, LLC
> Direct (320)250-5404
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