L48A1 Mast Section Enterprises should pay attention to the safety management
Enterprises should pay attention to the safety management of the installation and disassembly process of the high-rise tower crane, and strengthen the safety technology management of the installation and disassembly of the high-rise tower crane.
L48A1 Mast Section：
http://www.towercranesupply.com/product/l48a1-mast-section-for-tower-crane-masts
1. The unit engaged in tower crane installation and dismantling at the construction site must obtain professional contracting qualification. The disassembly and assembly operators must be trained in professional safety technology and take the post with certificate.
2. Establish a secondary approval system for the construction scheme of installation and disassembly of high-rise tower crane. Before the installation and disassembly of tower crane, the installation and disassembly plan and targeted safety technical measures must be prepared according to the environment and conditions of the construction site, the mechanical performance of tower crane and the characteristics of auxiliary lifting equipment, which shall be approved by the technical director of the professional construction (property right) unit and the general contractor and signed by the chief supervision engineer before implementation.
3. According to the approved lifting and dismantling construction scheme of high-rise tower. Before the overall installation of the high-rise tower crane, its foundation shall be inspected and accepted; before the installation and disassembly operation, the targeted safety technology signing disclosure must be carried out, and the responsibility shall be divided according to the operation procedure, and the unified command shall be given; in the disassembly operation, each process shall be assigned with a person, a post and a responsibility, and a special person shall be assigned for the unified command. Warning area shall be set for disassembly and assembly operation, and special person shall be assigned for supervision.
4. Ensure the stability of tower crane under various conditions during installation and disassembly. The arrangement and spacing of the vertical parts attached to the wall of the high-rise tower crane shall conform to the specifications.
L48A1 Mast Section：
http://www.towercranesupply.com/product/l48a1-mast-section-for-tower-crane-masts
5. The lifting and lowering of high-rise tower shall be in strict accordance with the instructions. During the jacking operation, the hydraulic system shall operate without load, adjust the gap between the jacking sleeve roller and the standard section of the tower body, so as to maintain the balance between the lifting moment and the balance moment; during the jacking operation, return to the mechanical brake, and it is strictly prohibited for the tower crane to rotate and other operations; the jacking operation shall be carried out in the daytime, and must be stopped when the wind force is at level 4 or above; before the tower crane is disassembled to the allowable cantilever height, It is forbidden to dismantle the wall attached pole.
6. Strictly implement the use acceptance and inspection management system of high-rise tower crane. After the completion of the overall installation of the tower crane, it must be jointly accepted by the general contractor, the subcontractor (the user), the lessor and the installation unit, and entrusted to the unit with the qualification for testing approved by the construction administrative department. The high-rise tower crane that fails to pass the acceptance and the inspection by the inspection unit shall not be put into use. In addition, the competent departments of the industry should strengthen the supervision and management of high-rise tower cranes, gradually establish the qualification management system of tower crane leasing enterprises, and strengthen the qualification management of professional units for installation and disassembly. The safety supervision organization shall also strengthen the supervision and management of the high-rise tower crane entering the construction site, and establish the high-rise tower crane installation record and registration system.
L48A1 Mast Section：
http://www.towercranesupply.com/product/l48a1-mast-section-for-tower-crane-masts
