What's the difference between the first-class and second-class boiler water treatment certificates?

Boiler water treatment workers are divided into one or two levels. The classification of grades and the permitted scope of work are as follows:

Difference:

Class I hot water boilers and steam boilers with rated working pressure less than or equal to 2.5Mpa;

Class Ⅱ, boiler parameters are not limited.

Qualified municipal training institutions can train these two certificates, but the issuing department must be the Bureau of Quality and Technical Supervision.

Special operations personnel must undergo special safety technical training and pass the examination, and obtain the People's Republic of China (PRC) Special Operations Operation Certificate (hereinafter referred to as the Special Operations Operation Certificate) before they can work at their posts. You can't engage in special industries without an operation certificate.

Vocational qualification certificate is the proof that workers have the necessary knowledge and skills to engage in a certain occupation. It is the qualification certificate for workers to apply for jobs, take up posts and start businesses, and it is the main basis for employers to recruit and employ workers. However, even if the level is high and the technology is strong, it is impossible to work without an operation certificate.

(1) Workers who are engaged in underground, high altitude, high temperature, particularly heavy manual labor or other jobs harmful to health, regardless of whether they are engaged in such jobs now or in the past, can retire early according to the provisions in the Interim Measures of the State Council on Retirement and Resignation of Workers: ① those who have been engaged in high altitude and particularly heavy manual labor for 10 years; (2) Engaged in underground high temperature work for 9 years; (3) Engaged in other work harmful to health for 8 years.

(2) High-temperature operation shall conform to Grade 4 in GB4200-84 "Classification of High-temperature Operation"; Heavy manual labor operation shall conform to Grade 4 in GB3869-83 "Classification of Physical Labor Intensity"; Aerial work should conform to Grade II in GB3608-83 "Classification of Aerial Work", and often work at a height of more than 5 meters, with no foothold or weak foothold, which is indeed in danger of degradation.

(3) Workers who work in low-temperature places such as cold storage and production workshops at an altitude of more than 3,500 meters and below zero degrees Celsius all the year round may refer to the relevant provisions of workers engaged in underground and high-temperature operations; Employees who work in mountains and plateaus at an altitude of more than 4,500 meters all the year round may refer to the Regulations on Employees Engaged in Other Harmful Work when they retire.