Operator and Signal Person Safety Precautions
Operators and signal persons should take the following precautions to ensure heavy equipment is located and functioning correctly:
- Make sure cranes are equipped with a load chart.
- Inspect crane machinery and other rigging equipment daily before use to make sure that it is in good condition.
Inspect crane machinery and other rigging equipment daily before use to make sure that it is in good condition.
- Extend crane outriggers when required.
Extend crane outriggers when required.
- Ensure crane platforms and walkways have anti-skid surfaces.
- Remove all broken, worn or damaged wire rope from service.
- Provide guardrails, hand holds and steps for safe and easy access to and from all areas of the crane.
- Properly torque tower crane mast bolts to the manufacturer's specifications.
- Post the maximum acceptable load and the last test results on the crane.
- Inspect rigging equipment for material handling before use on each shift and whenever necessary during its use to ensure that it is safe.
- Remove defective rigging equipment from service.
- Do not load rigging equipment more than its recommended safe working load.
- Remove rigging equipment, when not in use, from the immediate work area so as not to present a hazard to employees.
- Mark custom-designed grabs, hooks, clamps, or other lifting accessories, for units such as modular panels, prefabricated structures, and similar materials, to indicate the safe working loads.
- Proof-test grabs, hooks, clamps, or other lifting accessories prior to use to 125 percent of their rated load. Included are alloy steel chain, wire rope, metal mesh, natural or synthetic fiber rope (conventional three strand construction), and synthetic web (nylon, polyester, and polypropylene).
Knowledge Check Choose the best answer for the question.
6-5. Prior to hoisting operations, be sure to proof-test grabs, hooks, clamps, or other lifting accessories to _____.
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