How can an operator be sure about the weight of a load before lifting?

The most reliable method for an operator to determine the weight of a load prior to lifting is by checking load labels or specifications. Load labels or manufacturer's specifications provide precise and accurate information about the weight of the load, which is crucial for safe lifting. Operators can refer to these labels to ensure that the hoisting equipment being used is rated for the specific weight of the load. This practice helps prevent overloading, which can lead to equipment failure, accidents, or injury.

Using weight estimates based on visual cues or relying on past experience can introduce significant errors, as these methods are subjective and do not provide reliable data. Additionally, making assumptions about the load weight without verifying it can result in dangerous situations. Therefore, consulting load labels or specifications is the best practice in ensuring the safety and efficiency of lifting operations.