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Thread: Calamitous explosion in Tianjin

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    Calamitous explosion in Tianjin

    Latest in China's never ending string of deadly accidents:







    Aftermath:

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    New video from a guy who was way too close to the blast zone. What a nightmare.

    http://www.liveleak.com/view?i=775_1439442869

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    Dear god...that looks like something from a post-apocalyptic movie.
    Far better it is to dare mighty things, than to take rank with those poor, timid spirits who know neither victory nor defeat ~ Theodore Roosevelt

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    2nd explosion was >21 tons TNT from ground tremors. looks to me like some sort of fuel air effect was involved.

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    http://mobile.reuters.com/article/to...0QH2B220150814

    according to Reuters the warehouse that exploded was storing ammonium nitrate, potassium nitrate, and calcium carbide at the time.

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    Obviously, no firewall ($10,000 safety precaution)
    Chimo

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    sir, I am unfamiliar with firewalls that don't reside in my PC. how are things like this normally stored safely?

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    A safey release valve and barrier that can vent the gas outside without being exposed to an inginition source.
    Chimo

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    Quote Originally Posted by citanon View Post
    http://mobile.reuters.com/article/to...0QH2B220150814

    according to Reuters the warehouse that exploded was storing ammonium nitrate, potassium nitrate, and calcium carbide at the time.
    There are reports in the Chinese media now that injured firefighters said they were unaware that the containers at the blast site were storing water sensitive chemicals. The explosions happened after they sprayed large amounts of water onto the containers.

    Original source in Chinese:
    http://yd.sina.cn/article/xinzhi/top...anfzhnh2924486

    Of the 3 chemicals rumored to have been at the storage site, calcium carbide decomposes in water to form acetylene. That would form a potent explosive mixture together with ammonium nitrate and potassium nitrate. The explosions happened just 44 min after reports of the initial fire.



    Last edited by citanon; 14 Aug 15, at 21:00.

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    BTW, one of the other more "minor" accidents happening in China today. Report is in Mandarin but video is self explanatory:

    http://video.sina.com.cn/news/spj/to...814/#249735499

    Last edited by citanon; 14 Aug 15, at 21:03.

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    RIP. It's scary. What is the usual process of compensation and rehabilitation for the victims?

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    Quote Originally Posted by citanon View Post
    BTW, one of the other more "minor" accidents happening in China today. Report is in Mandarin but video is self explanatory:

    http://video.sina.com.cn/news/spj/to...814/#249735499

    You call this minor, here the Government would be torn apart. Why are sinkholes such an issue in China? Don't the authorities (geologists) do proper soil checks?

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    Name:  10-1.jpg
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Size:  77.0 KB It's called a placard. They are in use all over the world on buildings, trucks, trains, storage facilities. Saved many a firefighter by giving them a heads up as to what is stored in the facility/truck/railroad car that they are dealing with. Also pre-planning for a facility like this is invaluable. Knowing what the hazard is, you may decide to forego fighting the fire and concentrate on evacuation.

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    Quote Originally Posted by DonBelt View Post
    Name:  10-1.jpg
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Size:  77.0 KB It's called a placard. They are in use all over the world on buildings, trucks, trains, storage facilities. Saved many a firefighter by giving them a heads up as to what is stored in the facility/truck/railroad car that they are dealing with. Also pre-planning for a facility like this is invaluable. Knowing what the hazard is, you may decide to forego fighting the fire and concentrate on evacuation.
    Don, it was noted in the Chinese media that this company was cited last year for inadequate labeling on some stored chemicals.

    Also, I absolutely agree on the pre-planning. It seemed this was also missing from first hand accounts.

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    clearest yet video from an expat who was on a rooftop initially overlooking the explosion site.

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