Which core element specifically describes that contract workers need to have an effective written safety heath management program?

The core element that specifically addresses the requirement for contract workers to have an effective written safety and health management program is the "Contractor Safety Management" element. This element emphasizes the necessity of establishing and maintaining a comprehensive safety and health program that outlines procedures, responsibilities, and training to ensure the safety of contract workers. It ensures that all parties are aware of safety protocols and that risks are managed effectively.