What is the first step in the Standard Operating Procedure (SOP) for checking a mobile plant?

The first step in the Standard Operating Procedure (SOP) for checking a mobile plant being to check all safety feature functions including brakes is crucial because safety features are essential to ensure the operational safety of the equipment. Verifying that all safety features are functioning correctly is fundamental to preventing accidents and maintaining a safe working environment. Before any operational checks are carried out or before the plant is used, confirming the integrity of brakes and other safety systems is a priority.

This approach aligns with best practices in machinery safety protocols, emphasizing that the evaluation of safety mechanisms must occur first to mitigate risks inherent to mobile plant operations. This step helps ensure that operators and personnel are protected while using the equipment.

The other options listed do not serve as appropriate initial steps in the SOP. Ensuring the plant is warm before checking may relate to operational efficiency but does not directly impact immediate safety. Conducting a full inspection once a week, while important, is part of routine maintenance rather than the first step of an operational check. Utilizing only expert personnel is essential for ensuring competency but does not replace the need to verify safety functions at the start of the process. Thus, the importance of checking all safety features first stands out as the correct and critical initial procedure.