there is a caveat on the base definition of weight and/or volume ratios. For instance, 100 lbs of metal packed (cocooned) in 10 lbs of styrofoam meets the definition of a Class IV but it burns like a Group A Expanded plastic. Now that concept is a challenge to codify.
Roland Huggins, PE - VP Engineering American Fire Sprinkler Assn. --- Fire Sprinklers Saves Lives Dallas, TX http://www.firesprinkler.org <http://www.firesprinkler.org/> > On Mar 26, 2015, at 11:21 AM, James Crawford <[email protected]> wrote: > > Powder in a paper bag is a class 2 > > Put it into a plastic barrel, similar to a plastic pallet you would increase > two classes to a class 4 commodity > > Class 4 contains within itself or it's packaging an appreciable amount (5 to > 15% by weight or 5 to 25% by volume) of group A plastics. What is the weight > of an empty barrel? > > Seems to fall in this range. > > > > Thank you > > > James Crawford > Phaser Fire Protection Ltd. > Phone 604-888-0318 > Fax 604-888-4732 > Cel 604-790-0938 > Email [email protected] > > > > > -----Original Message----- > From: Sprinklerforum [mailto:[email protected]] > On Behalf Of [email protected] > Sent: Thursday, March 26, 2015 9:02 AM > To: [email protected] > Subject: RE: absorbant in plastic drums > > The plastic drum will end up driving the design criteria, so treat it like > Group A plastics. > > > > > Craig L. Prahl > Fire Protection Group Lead > CH2MHILL > Lockwood Greene > 1500 International Drive > Spartanburg, SC 29303 > Direct - 864.599.4102 > Fax - 864.599.8439 > CH2MHILL Extension 74102 > [email protected] > > > -----Original Message----- > From: Sprinklerforum [mailto:[email protected]] > On Behalf Of Todd - Work > Sent: Thursday, March 26, 2015 11:09 AM > To: [email protected] > Subject: absorbant in plastic drums > > I am looking at a job where the product being stored is a granulated > absorbent (think stuff to put on concrete to absorb oil) in 55 gallon > plastic drums. New product, not used. I am teetering between Class IV and > Group A Plastic. Has anyone else working on something like this? > > Sent from my iPad > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org > > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org _______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org
