On February 6th, 2012, a welder entered a 30″ pipe to check the quality of the welds he had just completed. The welder (deceased) asphyxiated and lost consciousness due to the high level of Argon gas, which had created an oxygen-deficient environment inside the pipe.
Then another welder, upon noticing no improvement from the collapsed welder, requested the welding helper to enter the pipe and drag him out. The helper went in and had breathing difficulties, and was pulled out. Then the second welder shouted for help, and another site worker went inside he also had breathing difficulties and came out. Then again, he used his H2S Cartridge mask and went in. He managed to tie a rope around the feet of the unconscious welder and came out of the pipe. The Crew members pulled the unconscious welder out of the pipe. The unconscious welder remained unconscious and non-responsive to resuscitation, and later he was pronounced dead at the clinic by the medical doctor.
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