George, I did an omni max dome a few years back so I know what you are up
against. Start with checking with the AHJ & see what k-factor they require
for a 60' high ceiling, thats the first problem. One way or another you have
to cover all the floor area, if that can be done with heads only above the
screen then you're in business.
Ron Dusky
----- Original Message -----
From: "George Lau" <[EMAIL PROTECTED]>
To: <[email protected]>
Sent: Tuesday, September 09, 2008 7:24 PM
Subject: Help!! Sprinkler in Planetrium
Dear Sprinkler Experts,
I am new to the forum. Besides a "Hi" to yall, I am desperately seeking
suggestion or reference regarding the "Sprinkler installation in a
PLANETARIUM" which possesses a (60ft dia) semi-spherical dome screen (made
of white paint coated matellic plate with small holes). Our current plan
is to keep all those sprinker heads above the dome screen. Is it a
workable design?
Since we are lack of local technical reference, can anyone throw me some
light regarding the normal practice, if the sprinkler heads should be
above the dome screen. If yes, what other concerns/attention should be
paid?
Thank you so much,
George Lau
Macau S.A.R.
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