It looked as if the foam caused a fault to the electrical equipment on the adjacent roof bays.
> On Dec 5, 2016, at 10:45, 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]] > 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 > Fax - 864.920.7129 > CH2MHILL Extension 77540 > [email protected] > > > From: Sprinklerforum [mailto:[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]] > 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 > Fax: 727.209.5126 > Cell: 813.394.3978 > Email: [email protected] > > <image001.gif> > > From: Sprinklerforum [mailto:[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 > Fax - 864.920.7129 > CH2MHILL Extension 77540 > [email protected] > > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org
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