Incident occurrence was in supplier premises.
Victim was Mr. A; he works as an operator of Plant Civil Work (PCW) group of company "X".
They got job order at Jan.29th, 2014 that there is leakage on roof near to injection machine when rainy.
At Jan.30th, 2014 after morning briefing, Mr. A has finished cleaning water pump. Then Mr. A told Mr. B (his
co-worker) that he wanted to fix the roof leakage by himself alone. Mr. B reminded him that their superior has
warned them not to do roofing work at morning consider to the roof condition is slipery by rain at last night.
Victim intended to quickly fix the leakage due to rainy season. Mr. A then climbed up to the roof access and
walk on the roof to the leakage location. He arrived near to leakage location and somehow roof was broken and
he dropped approximately 7 meters from roof to floor.