Kyle - You are correct. It would be 15 X 14 (assuming they can not comply with
the beam rule)
You can space sprinkler to sprinkler with up to a 36 inch elevation change IF
and ONLY IF, you:
Are LH or OH (so does not apply to storage). And
You meet the beam rule.
8.6.4.1.3 (A) explicitly uses the phrase “considered a wall” when more than 36
inches.
(B) allows you to ignore if you can meet the beam rule so if you can’t, you
then treat it like a wall.
As you pointed out and quoted the text - Both sides of the sprinkler are
assigned the greater of either side. 7 on one side and 2 x 1 on the other
equates to 7 on BOTH sides.
This is the long standing methodology and ugly has it may be, that’s who we
have to dance with. I suspect everyone knows this but we can’t help wishing it
were prettier.
Roland Huggins, PE - Senior VP Engineering
American Fire Sprinkler Assn.
Dallas, TX
http://www.firesprinkler.org <http://www.firesprinkler.org/>
Fire Sprinklers Saves Lives
> On Dec 5, 2017, at 6:51 AM, Kyle.Montgomery <[email protected]> wrote:
>
> You guys are making a good case... I'm just having a hard time with it
> because it's different than what I've been doing for 10 years. But as a
> contractor, it would definitely be helpful if I was wrong in this instance
> (i.e. save some money).
>
> I wish some of the "Big Wigs" on this site would chime in with their opinions.
>
> -Kyle M
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