Work at height, also known as “work at height”, refers to work that may fall at a certain height. China’s labor safety and health legal system stipulates that workers engaged in work at height should take labor safety protection measures. Workers and staff engaged in work at heights who meet the conditions may retire ahead of time
work at height can be divided into general work at height and special work at height. Special high altitude operation includes: high altitude operation under strong wind, high altitude operation under different temperature, high altitude operation under snow, high altitude operation under rain, high altitude operation at night, high altitude operation under live line, high altitude operation under suspension and high altitude operation under rescue
according to (gb3608-83) “classification of work at height”, general work at height can be divided into four levels: Level 1 work at height of 2-5M, level 11 work at height of 5-15m, level 111 work at height of 15-30m and special work at height of more than 30m
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