August 12, 2013

Hot work or Cold work?

An incident where a person passed away in a tank explosion revealed that the work permit that was used in the facility was a single permit for both hot work as well as cold work. The issuer had to tick mark whether it was a hot work or cold work to be done and take the appropriate precautions. The permit was issued without marking whether it was hot work or cold work to be carried out. Lack of this clarity led to a hammering operation with a ordinary hammer taking place at the top of the tank which had flammable material inside. The spark produced during hammering fell into the tank through an opening and the tank exploded. 

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