Assembler is a very complicated job. He must know the structure of various cranes, specific operation methods and procedures, and the knowledge of safe operation. The professional level of rigger is divided into five grades from low to high:
Rigger (junior worker) (national vocational qualification level 5), rigger (intermediate worker) (national vocational qualification level 4), rigger (senior worker) (national vocational qualification level 3), rigger (technician) (national vocational qualification level 2), rigger (senior technician) (national vocational qualification level 1).
Extended data:
Job characteristics of assemblers
1. There are many kinds of heavy objects hoisted by assemblers.
Some heavy objects weigh hundreds or even thousands of tons, and some objects are tens of meters long and irregular in shape, such as loose particles, hot melt state, inflammable and explosive dangerous goods, etc. And the lifting process is complicated and dangerous.
There are many potential dangers.
Some lifting tools need to carry people up and down directly on the guide rail, platform or wire rope (such as elevators, lifting platforms, etc.) ), their reliability directly affects personal safety. Rigger has many exposed and moving parts, which are often in direct contact with crane operators (such as hooks and wire ropes). ), and there are many accidental risk factors.
3. The working environment is very complicated
From large steel joint ventures to modern ports, construction sites, railway hubs and tourist attractions, lifting tools are running; Workplaces often encounter high temperature, high pressure, inflammable and explosive, transmission lines, strong magnetism and other dangerous factors, which pose a threat to equipment and workers.
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