What kind of crane is strictly forbidden to use
Products that are eliminated by the state B) the number of products that are not eligible to be assessed by the time limit C) products that do not meet the national or industry standards A product that does not have a complete safety technical profile
According to the national standard "tower crane safety regulation requirements (GB5144-2006)," install, remove, add, or drop the homework, the maximum installation height of tower crane in wind speed should not be more than 13 m/s, when have special requirements, according to the users and manufacturers of those agreements." The wind speed is 13m/s, which is a 6 gale.
A tower crane with one of the following conditions is strictly prohibited: Products that are eliminated by the state; To exceed the prescribed period of life by the evaluation of substandard products; Products that do not conform to the relevant standards of the state; No product with complete safety technology profile. Tower crane, also known as tower crane, originated in Western Europe. The moving arm is mounted on a rotating crane at the top of the tower. The operation space is large, mainly used for the vertical and horizontal conveyance of the material in building construction and the installation of building component. It consists of three parts: metal structure, work mechanism and electrical system.
