What is the minimum design factor for two or more hoisting attachments?

The minimum design factor for two or more hoisting attachments is established at 5. This means that the attachments should be capable of supporting at least five times the maximum intended load. This safety margin is essential in ensuring that the hoisting attachments can handle unforeseen forces or stresses that may occur during lifting operations, thereby reducing the risk of failure and enhancing overall safety.

A design factor of 5 provides a balance between safety and practicality, allowing for the structural integrity of the equipment while not being excessively burdensome in terms of weight and cost. This standard is important in rigging and lifting operations to ensure that all components are reliable and capable of performing under various conditions. It also reflects industry best practices and regulatory requirements, emphasizing the importance of rigorous safety measures in lifting activities.