7 What are the precautions for a trial lift before carrying out a lifting operation?
Thread Content
7 What are the precautions for a trial lift before carrying out a lifting operation?
Precautions to be checked before lifting operations include: 1. Lifting operators (commanders/operators) must hold valid certificates, and the lifting equipment must pass corresponding inspections; 2. Conduct safety checks on the lifting machinery and lifting gear; 3. Set up barriers to isolate the lifting area; 4. Check the weather conditions for lifting – lifting is not allowed in case of heavy rain, thick fog, or winds of force 6 or higher; 5. Obtain the necessary lifting operation permit； 6. For lifting loads exceeding 10 tons, as well as large and irregular items to be lifted, a work plan should be prepared ； 7. The lifting height for testing should be 10–20 cm, with a duration of 1–2 minutes.
GB30871 provides very detailed information; in addition, AQ 3021 can also be referred to
The summary is excellent; President Liu has extensive experience