I have a client with ESFR system obstructions and I am looking for options.
Here is what I have, the heads are K17 pendent with 23 lines running East to
West. One head on each line is obstructed in the same location by being too
close to bar joist. If we move the head so it is 12" from the obstruction
it will be 7'6" away from the adjacent sprinkler, less then the 8' required
by NFPA and FM 2-2. I can not use an upright K 17 because I have exposed
non-expanded plastics.
Only option I can think of is to install a baffle on the 23 heads to prevent
the water from one ESFR hitting the other. Any idea how large this baffle
should be? I am thinking 2' wide by 2' deep with the ESFR head centered. The
heads are 10-14" below the desk.
Suggestions comments?
Thanks
Tom LaCorte
Chubb Insurance Co
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