Date: Tue, 5 Jul 2011 06:17:45 -0500
Reply-To: DCHAS-L Discussion List <DCHAS-L**At_Symbol_Here**LIST.UVM.EDU>
Sender: DCHAS-L Discussion List <DCHAS-L**At_Symbol_Here**LIST.UVM.EDU>
From: "Long, Don" <Don.Long**At_Symbol_Here**URS.COM>
Subject: Re: When is non-water fire suppression required in a chemical
In-Reply-To: <DC9B6B340B77DE43BFFBBFD7F28C2FD90F106F77**At_Symbol_Here**>

In addition to checking local codes (as has been mentioned a couple of time
s already), you need to look at NFPA 45 as well.

Don A. Long
Southwest Research Institute Laboratory
Pine Bluff Chemical Agent Disposal Facility
PO Box 20130
White Hall, AR 71612

-----Original Message-----
From: DCHAS-L Discussion List [mailto:DCHAS-L**At_Symbol_Here**] On Behalf Of Ro
bin M. Izzo
Sent: Friday, July 01, 2011 12:45 PM
To: DCHAS-L**At_Symbol_Here**LIST.UVM.EDU
Subject: Re: [DCHAS-L] When is non-water fire suppression required in a che
mical stockroom?

You need to check with your local codes.  The international codes do not re
quire this and we have not specified any chemical storage area with a non-a
queous system, not even our chemistry department stockroom.

There are other factors you'll need to consider if you're going with a CO2 
or other system, including the ventilation and what to do it the system act
ivates while it is occupied.

Based on the discussions we've had with lab building designers for three ne
w lab buildings over the last four years, it does not appear to be conventi
onal to go with such a system.  The international fire code lists storage q
uantity limits based on the presence (or lack) of water-based fire suppress
ion and use of flammable liquid storage cabinets.

Another option is to look at a pre-action system, particularly if you're co
ncerned about the possibility of leaks.

- Robin

Robin M. Izzo, M.S.
Associate Director, EHS
Princeton University
609-258-6259 (office)

How many legs does a dog have if you call the tail a leg?  Four.  Calling i
t a tail a leg doesn't make it a leg.
~ Abraham Lincoln

-----Original Message-----
From: DCHAS-L Discussion List [mailto:DCHAS-L**At_Symbol_Here**LIST.UVM.EDU] On Behalf Of Fe
rm Barret A
Sent: Friday, July 01, 2011 11:08 AM
To: DCHAS-L**At_Symbol_Here**LIST.UVM.EDU
Subject: [DCHAS-L] When is non-water fire suppression required in a chemica
l stockroom?

We are in the design phase of creating a new, modest-size chemical stockroo
m, which is considered an occupied space.  Is it current standard to have f
ire suppression that uses a non-aqueous agent?  Does it depend on what chem
icals are present?  It will definitely house general organics, acids and fl
ammables.  Is there a prevailing design philosophy I can present to the dec
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