External wall cleaning requires qualification certification.

1, there are many precautions when cleaning the external wall, because it is also a dangerous operation at high altitude, so the personnel engaged in this field must be certified. The high-rise external wall project is dangerous and complicated, so it can be said that the scientific and professional requirements of this work are very high. Construction personnel of professional cleaning companies must undergo professional training and obtain corresponding qualifications before such work can be carried out. .2. In order to provide external wall cleaning services, cleaning companies must have corporate business licenses, safety licenses and employment certificates for employees. When recruiting exterior wall cleaners, you must check these necessary documents. If you want to engage in external wall cleaning, you must obtain the corresponding qualifications before you can work. 3. Due to the particularity of the external wall cleaning of high-rise buildings, when applying for the business license of legal person, we will examine whether we have the ability to engage in special operations; Implement a production license system for enterprises engaged in special operations; Examining the qualifications of personnel. 4. How to clean the external wall? Basically, there are several ways: the hanging operation mode with single spreader and seat plate is commonly used, and there is the hanging basket mode. However, this construction mode needs to set up a hanging basket on the roof to transport workers to the designated place for construction work, which is inefficient and costly. High-altitude spider car uses platform equipment such as spider car and lift car to transport workers to designated places for construction work. This construction method has great limitations and is generally suitable for difficult projects below 36 meters. Because of its high cost, it is rarely used. 5. If residents feel that their exterior walls are dirty and belong to glass windows, they can use double-sided magnetic scraping for indoor operation, but the efficiency is low and the reliability is poor.