The only think I could think of is a listing issue with the bracket connection
if the dry head barrel is too long.
Jerry Van Kolken
Millennium Fire Protection Corp.
2950 San Luis Rey Rd.
Oceanside, CA 92058
(760) 722-2722 FX 722-2730
-Original Message-
From: Sprinklerforum On Behalf
Interesting questions. I just had this situation a few weeks ago. These
are my thoughts.
NFPA 13 - 2019 edition and NFPA 82 as referenced in section 26.15 of NFPA
13 does not specify a specific temperature classification for the
sprinkler. I would install an intermediate temperature rated
I think it was written with a future date because no such product existed at
the time, so the committee gave the industry some time to come up with
something.
We were able to modify mounting hardware for our mechanical detection method,
but the electronic method had never been done before. It
Can I take this moment to say that while I agree with this change, I kind of
hate that it was written with this future date requirement on it? Adoption
takes so long in most jurisdictions the date is a moot point and just adds to
confusion about retroactivity etc.
Mike Morey
CFPS 3229 •
Below is the exact language from NFPA 13 -2019 edition:
8.3.1.2.1 Actuator Supervision. Effective January 1, 2021,
removal of an electric actuator from the preaction or deluge
valve that it controls shall result in an audible and visual indication
of system impairment at the system releasing
What temp sprinkler and coating should be recommended for a trash chute?
On multistory buildings I keep getting asked to review the Trash chute drawing
since we have to pipe to the sprinkler provide in the chutes. I always see ½"
brass 155 deg heads being provided by the chute installer. While
Bruce,
Typically the standards do not apply retroactively. This would typically be for
new installations where the latest edition of NFPA 13 was adopted.
If the electronic model cannot be used, there is a mechanical method, the
Potter RBVS.
I am not aware of other manufacturers coming out with
Potter Electric has done a nice job providing two options that should work with
all the most common solenoids. Reliable will be adding this option to our
electric release systems in the very near future!
Cary Webber CFPS Director, Technical Services
Reliable Automatic Sprinkler Co., Inc.
1470
Please reference
https://youtu.be/e7Vkdb9z2qc
Mike H. Et al:
Is this standards change typical, i.e., not intended to apply retroactively?
I assume other manufacturers are putting out similar listed or marked products.
Best.
Bruce Verhei
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