What is the total weight deduction when combining block weight, rigging, and lifting beams?

The total weight deduction when combining block weight, rigging, and lifting beams is calculated by adding the individual weights of each component and determining the overall total to be deducted from the crane's capacity. In this context, the correct answer, which totals to 1,605 lbs, reflects the precise combination of these elements, thereby ensuring that the crane operates within its safe lifting capacity.

Understanding the calculation involves identifying and summing each component's weight accurately. The correct total indicates a well-rounded approach to safety, allowing the operator to remove the combined weight from the crane's load chart. This calculation is crucial to ensure that the crane does not exceed its maximum rated capacity when performing lifts, which can lead to dangerous situations such as tipping or equipment failure.

The other options do not accurately represent the total deductions based on standard block weights, rigging weights, and lifting beam specifications, which is why they do not provide the correct deduction value needed for safe crane operation. Thus, option B provides the right total when performing such calculations for a lifting scenario.