13D has a section that states that it is permissible to use Residential
sprinklers outside of their listings in circumstances like yours (see
8.1.3.1.2, 2016). You may need to a four sprinkler calc instead of 2,
if I remember correctly.
/Thank you,
Bob Knight, CET III//
/*/Fire by Knight, LLC/*/
//208-318-3057/
FIREBYKNIGHT
On 7/18/2023 5:27 PM, Anthony Johnson wrote:
So I have a 13D residential project with a 12:12 pitch, beamed ceiling
configuration. In the last beam pocket area there is a fireplace
located below. It's literally impossible to place a sprinkler far
enough away from the fire place per 13D's required spacing for both
the ordinary or intermediate temperature sprinklers without violating
the requirement to be within 36" vertically down from the peak. So it
would seem I have to violate something in order to get this to work. I
can either use a quick response 286F sprinkler which should cover the
temperature issue but violate 13D's use of quick response sprinklers
which only allows for very limited usage of such. Or I can violate the
36" down from peak requirement and use residential sprinklers for that
bay. At least that's the way I see it.
Any recommendations on how to address this?
Best Regards,
Anthony Johnson
Mountain Fire Protection
'Saving Lives and Valuing Property'
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