Gentlemen:
It would seem to me when George sits down in a meeting with (original)
sprinkler company and AHJ, the Project Professional Engineer (if alive -
especially if still licensed) should also be called to attend. I believe George
referenced a 'seal' on the sprinkler plans - or, if the
1994 section 3-2.3.2 says no dry grids, Ditto same section in 1991
At 10:56 AM 6/11/2012, you wrote:
Would anyone know when dry grids were taken out of NFPA 13? My recollection is
mid 1980's, but don't have a copy to check.
We've encountered a dry-pipe system installed circa 1999, purported
http://dbase.firesprinkler.org:591/online_archives/tech_interps/FMPro?-db=informal-interps.fp5-format=record_detail.htm-lay=form-recid=12629921-findall=
You asked the following question What year did NFPA ban the use of gridded dry
pipe systems? In response to your question, we have reviewed the
: sprinklerforum-boun...@firesprinkler.org
[mailto:sprinklerforum-boun...@firesprinkler.org] On Behalf Of Daniel Wilder
Sent: Monday, June 11, 2012 10:04 AM
To: sprinklerforum@firesprinkler.org
Subject: RE: dry grid prohibition
http://dbase.firesprinkler.org:591/online_archives/tech_interps/FMPro?-db
...@firesprinkler.org
[mailto:sprinklerforum-boun...@firesprinkler.org] On Behalf Of Daniel Wilder
Sent: Monday, June 11, 2012 10:04 AM
To: sprinklerforum@firesprinkler.org
Subject: RE: dry grid prohibition
http://dbase.firesprinkler.org:591/online_archives/tech_interps/FMPro?-db=in
formal-interps.fp5-format
1989 section 5.2.3.1 includes it in the last sentence. The other editions (at
least later ones) had it as a separate section.
At 11:03 AM 6/11/2012, you wrote:
And you have to determine what edition was in use by the jurisdiction at
the time of the installation.
On Mon, Jun 11, 2012 at 8:16 AM, Todd Williams t...@fpdc.com wrote:
1989 section 5.2.3.1 includes it in the last sentence. The other editions
(at least later ones) had it as a separate
-boun...@firesprinkler.org] On Behalf Of Ron Greenman
Sent: Monday, June 11, 2012 12:10 PM
To: sprinklerforum@firesprinkler.org
Subject: Re: dry grid prohibition
And you have to determine what edition was in use by the jurisdiction at the
time of the installation.
On Mon, Jun 11, 2012 at 8:16 AM
[mailto:sprinklerforum-boun...@firesprinkler.org] On Behalf Of George Church
Sent: Monday, June 11, 2012 11:57 AM
To: sprinklerforum@firesprinkler.org
Subject: RE: dry grid prohibition
Well, it's a nursing home in PA so it's under the 1999 edition of 13 for the
addition we're pricing.
HOWEVER, the original system
