Which specification must all hoisting machinery operate in accordance with?

Hoisting machinery must operate in accordance with the manufacturer's specification because these specifications are designed to ensure safe and effective operation. The manufacturer provides detailed guidelines that include the machine's rated load capacity, maximum operating limits, maintenance requirements, and specific operational procedures. Adhering to these specifications helps prevent accidents and equipment failure, thereby ensuring the safety of both the operators and those in the surrounding area.

While other factors like site safety plans, OSHA regulations, and industry best practices also play significant roles in maintaining safe hoisting operations, the manufacturer's specifications serve as the primary reference point for the safe functioning of the equipment itself. Compliance with these specifications is critical, as they are tailored specifically to the design and engineering of each hoisting machine.