Unlicensed welding

1. Accident Process

The construction of the 8-story staff dormitory of a certain unit was affected by the welder's leave. A was anxious and replaced the welder to weld. He climbed to the top of the roof frame without wearing a safety belt, without the help of an assistant, and without wearing a mask. He held the steel bar with his left hand and held the welding clamp with his right hand, and welded with his eyes closed. But he was not a welder after all. In the end, due to the poor welding quality, the weld could not support his weight, and he fell from a height of 12.4 meters and died immediately.

2. Analysis of the main causes

(1) Zhu was not a welder, had poor welding skills, and had not received safety technical training.

(2) He did not wear a safety belt when welding at height.

(3) There was no one on the ground to monitor.