First of all, the AHJ has consideration to all the codes so why the insult?
They also govern how that bldg is going to be protected, they're the ones
going to fight the fire so you start with them, there hasn't been much
testing over 50' high so who else would you talk to . We ended up with
oscillating water canons and 8.0 k-factor heads- show me that in the code
book...........Best to start with them and see how they want to approach it.
Maybe it is a little different back east, here the authorities have a lot to
say about how to approach a project that doesn't fit the code book, normally
that conversation would take place prior to even bidding the job.
----- Original Message -----
From: "Autry, David" <[EMAIL PROTECTED]>
To: <[email protected]>
Sent: Wednesday, September 10, 2008 6:22 AM
Subject: RE: Help!! Sprinkler in Planetarium
"Start with checking with the AHJ & see what k-factor they require"
Why in the hell would an AHJ be giving a k-factor????? Does this even make
sense?
I would tell you to provide coverage per the code, and if it is not in black
and white in the code, then have an engineer tell me what/how you are going
to protect it.
David Autry
Plans Examiner
Nebraska State Fire Marshal's Office
246 S. 14th Street
Lincoln, NE 68508
402-471-9659
402-471-3118 fax
www.sfm.ne.gov
** Note new email address: [EMAIL PROTECTED]
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Ron
Sent: Wednesday, September 10, 2008 7:20 AM
To: [email protected]
Subject: Re: Help!! Sprinkler in Planetrium
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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