Maybe conductivity of foam shorting out transformers? Or maybe not caused by foam, but continuing of cause of first transformer?
Would a waterspray system have resulted in less overall damage? On Mon, Dec 5, 2016 at 10:45 AM, Michael Hill <[email protected]> wrote: > The more I think on this…..since the building is open to the weather, how > would the foam cause the equipment in the other bay to explode? > > > > Mike Hill > > > > *From:* Sprinklerforum [mailto:[email protected]. > org] *On Behalf Of *[email protected] > *Sent:* Monday, December 05, 2016 1:19 PM > > *To:* [email protected] > *Subject:* RE: electrical bldg high ex foam in the news > > > > Nothing like designing for 300% of volume. Also no way to prevent foam > from pouring into the unaffected portion of the bldg. probably resulting in > the second explosion. Design fail on multiple accounts. > > > > The news clip didn’t reveal the open walled enclosure. It looked like a > building with foam coming across the roof which made no sense. > > > > Here is another video from a drone, you can see the foam in the adjacent > area where there was no initial event. > > > > https://www.youtube.com/watch?v=AH5W-BW0w2k > > > > > *Craig L. Prahl* > Fire Protection Group Lead/SME > *CH2M* > 200 Verdae Blvd. > Greenville, SC 29607 > Direct - 864.920.7540 <(864)%20920-7540> > > Fax - 864.920.7129 <(864)%20920-7129> > > CH2MHILL Extension 77540 > [email protected] > > > > *From:* Sprinklerforum [mailto:[email protected]. > org <[email protected]>] *On Behalf Of *Michael > Hill > *Sent:* Monday, December 05, 2016 12:18 PM > *To:* [email protected] > *Subject:* RE: electrical bldg high ex foam in the news [EXTERNAL] > > > > That is what it is supposed to do, lots of foam. Did the foam contribute > to the second explosion in the adjacent bay? > > > > Thanks for the link Ryan. > > > > Mike Hill > > > > *From:* Sprinklerforum [mailto:[email protected]. > org <[email protected]>] *On Behalf Of *Ryan > Labrie > *Sent:* Monday, December 05, 2016 12:06 PM > *To:* [email protected] > *Subject:* RE: electrical bldg high ex foam in the news > > > > I saw a video of this on reddit yesterday, PECO power substation building > in Philadelphia, PA. > > > > https://www.youtube.com/watch?v=hrl2cKzGMGs > > > > *Ryan Labrie* > > Fire Protection Designer > > > > > *Critical System Solutions, LLC*2830 Scherer Drive, Suite 300 > St. Petersburg, FL 33716 > Office: 727.209.5122 <(727)%20209-5122> > > Fax: 727.209.5126 <(727)%20209-5126> > > Cell: 813.394.3978 <(813)%20394-3978> > > Email: [email protected] > > > > [image: CSS Logo] > > > > *From:* Sprinklerforum [mailto:[email protected]. > org <[email protected]>] *On Behalf Of * > [email protected] > *Sent:* Monday, December 05, 2016 11:52 AM > *To:* [email protected] > *Subject:* electrical bldg high ex foam in the news > > > > Over the weekend I saw a news report of a Philadelphia HI EX foam > discharge which was reported as protecting an electrical sub-station I > believe. > > > > Does anyone have any info on this? > > > > > > > *Craig L. Prahl* > Fire Protection Group Lead/SME > *CH2M* > 200 Verdae Blvd. > Greenville, SC 29607 > Direct - 864.920.7540 <(864)%20920-7540> > > Fax - 864.920.7129 <(864)%20920-7129> > > CH2MHILL Extension 77540 > [email protected] > > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler. > org > > -- Ed Vining 4819 John Muir Rd Martinez CA 94553 925-228-8792 Cell 925-787-0465
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