1), the crane should be inspected before use, and it can only be used after all load indexes and safety performance are qualified.
2) The crane's torque limiter, amplitude limiter, lifting weight limiter, various travel limit switches, hook rope breaking prevention insurance and other safety protection devices shall be complete, sensitive and reliable.
3) When the crane is running, it is forbidden for anyone to stay, work or pass under the boom and heavy objects. It is forbidden to carry people by crane.
2. The self-made jib lifting operation shall meet the following requirements:
1), the boom shall be specially designed and specified in the special construction plan.
2) The jib must be installed according to the design. Before operation, try to hang it. It can only be used after it is accepted, and a written record should be made.
3. The setting of steel wire rope and ground anchor shall meet the following requirements:
1), the hoisting wire rope shall comply with the provisions of relevant standards such as Wire Rope (GB/T89 18). The selection of hoisting wire rope shall meet the performance and technical requirements of hoisting equipment, and the wear and broken wires shall not exceed the standard.
2) The safety factor of cable wind rope must be greater than 3.5.
3) The setting of pulleys and ground anchors shall meet the requirements of special construction scheme.
4. The foundation bearing capacity of crane operation pavement should meet the requirements of special construction scheme.
5. Lifting operation shall meet the following requirements:
1), drivers, commanders and drivers should hold relevant certificates. There must be reliable signal transmission measures for aerial work.
2) The determination of lifting point shall meet the requirements of design or special construction scheme; The specifications, models and rope diameter multiples of rigging and wire rope shall meet the requirements of design or special construction scheme.
3), lifting operations must be carried out in accordance with the operating procedures. Before every day (shift) operation, try hoisting, and start operation only after it is normal.
4) Don't lift heavy objects with unknown weight or overload. Lifting operation shall not be carried out under unsafe conditions.
5) During hoisting operation, a warning line should be set up, warning signs should be hung, and special personnel should be assigned for supervision.
6, lifting personnel must have a reliable foothold and corresponding safety protection measures. The working platform should be solid and set separately. Edge protection meets the requirements.
7, component stacking should be neat and stable. The stacking area shall meet the stacking requirements. Materials stacked on the building structure shall not exceed the design allowable load.
The hoisting operations of the above construction projects generally need to be collected and sorted by Zhong Da Consulting.
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