Lifting or moving heavy objects Crane is required. Or machinery and other equipment Because the use of such a machine is very risky. Therefore, there must be a law to control Crane operators must have a crane driving license. To tie the weight of a heavy object to a wire and use a hook to hook it is commonly known as sling work. This kind of work requires specially trained staff. Therefore, if the operator using the crane and sling does not have such qualifications, then they will not be allowed to operate the crane. And the sling
1. Cranes of 5 tons or more must have a licensed crane operator for overhead cranes and cranes under 5 tons. Only operators who have passed the required technical course are permitted. Or special training only
2. Working that sling employees to perform this task. Must be a person who has passed the specified technical course only. It is permitted to work with slings weighing one ton or more. Slings weighing less than 1 ton are required by an authorized sling operator. And through special training courses
3. If the employee has been designated as an assistant Employees should have consultations in preparation. And how to give a signal to a qualified boss and obey the orders of the said chief
4. Crane and sling assembly tools must be inspected as required. (before and during use) if an abnormality is detected Stop using it immediately. And report to the supervisor for further advice on repairs.
5. Avoid (e.g.) overloading. Diagonal hanging and hanging at a single point
6. Check that the hook is tight. And have the wire stretched properly before lifting things When the weight is slightly off the ground, stop the crane and check the safety slings.
7. Raise the weight to a safe level before moving.
8. Operators must not take their eyes off the switch during operation. Or when lifting weights
9. Perform normal signaling. To ensure safety
10. Do not allow anyone even the employees themselves keep it under the weight being lifted after you've finished. Keep the crane in its original position when starting.