What is an essential qualification for a competent person as per OSHA?

A competent person, as defined by OSHA (Occupational Safety and Health Administration), is someone who is knowledgeable about the safety standards and regulations related to their specific job area and has the authority to correct any safety hazards that may arise on the job site. This ability to make decisions regarding safety ensures that any potential risks are managed immediately and effectively, helping to maintain a safe working environment.

The other options do not encapsulate the essential qualifications outlined by OSHA. While the ability to work with crane equipment, having a college degree in construction management, or having supervision experience are valuable attributes, they do not specifically address the critical responsibility and authority required for a competent person's role concerning safety management and hazard mitigation. Thus, the correct answer focuses on the role's decision-making aspect, which is vital for fostering a safe workplace.