Roland, this is precisely the conundrum that I am dealing with. The numbers calculate to Class IV but I don't by that it won't act like a Group A plastic in a fire.
Sent from my iPad > On Mar 26, 2015, at 2:41 PM, Roland Huggins <[email protected]> > wrote: > > 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 _______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org
