What type of hazard might be encountered when operating a hydraulic excavator near pedestrians?

When operating a hydraulic excavator near pedestrians, the primary concern is the safety risks stemming from moving parts. Excavators have several components that operate with significant force and can pose serious hazards if proper precautions are not taken. Boom movement, bucket operation, and tracks are constantly in motion and can create risks for anyone within close proximity.

Pedestrians may not be aware of the machine's operation or the operator's range of visibility, leading to potential accidents. It's crucial for operators to maintain a safe distance from non-operators, use proper signaling, and implement safety barriers to minimize the risk of injury from the machine's moving parts.

In contrast, while noise pollution is a concern, it does not pose an immediate physical threat like moving machinery does. Vandalism, though a risk, is not directly related to the operation of the excavator itself. Weather-related factors can impact safety, but they do not specifically address the hazards posed by the moving parts of the machine in regards to pedestrian safety. Hence, the focus on safety risks associated with moving parts is paramount when discussing the operation of hydraulic excavators near pedestrians.