I am assuming that the channels open to the adjacent concealed space
that is protected - right? So we are dealing with unprotected
channels over the 800 sf area. Since the objective of the 3,000 sf RA
is to account for fire breaking out of a unprotected concealed space
in more than one location, the surrounding protected space should
enter the fray right away. The problem is running down a channel
between heads with a lot of energy from the unprotected area. A
water curtain around the area would reduce the concern somewhat.
What say yea AHJ's?
Why not fill the channels with insulation? If the gyp is not
DIRECTLY attached to the bottom chord (no C-channel between chord and
gyp), then you have to have at least 3-1/2 inches of insulation anyways.
Roland
On Mar 29, 2007, at 9:27 AM, Travis Mack wrote:
I have a project that is a small bank. In the center of the bank,
there is
a raised area (20' ceiling; the rest is 9' ceilings). In this
raised area,
there is gyp board directly to the bottom of TJI construction. The
rest of
the building has a dropped ceiling so there will be heads in the
concealed
space. This raised area is slightly less than 800 sq ft. Do I
need to
calculate a full 3000 sq ft in this project for the raised area?
T-Mack
Examine yourselves to see if your faith is genuine. Test
yourselves. Surely
you know that Jesus Christ is among you; if not, you have failed
the test of
genuine faith. 2 Corinthians 13:5 NLT
--
No virus found in this outgoing message.
Checked by AVG Free Edition.
Version: 7.5.446 / Virus Database: 268.18.22/739 - Release Date:
3/29/2007
1:36 PM
_______________________________________________
Sprinklerforum mailing list
[email protected]
http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum
To Unsubscribe, send an email to:Sprinklerforum-
[EMAIL PROTECTED]
(Put the word unsubscribe in the subject field)
_______________________________________________
Sprinklerforum mailing list
[email protected]
http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum
To Unsubscribe, send an email to:[EMAIL PROTECTED]
(Put the word unsubscribe in the subject field)
