What precautions are required when lifting heavy loads according to EM 385-1-1?

The correct answer emphasizes the necessity of using cranes or hoists along with proper training in lifting techniques when handling heavy loads. This aligns with the guidelines outlined in EM 385-1-1, which stress safety and efficiency in material handling.

Utilizing cranes or hoists allows for the safe movement of heavy items that are more than individuals can comfortably or safely lift. Equipment designed for lifting can significantly reduce the risk of injury associated with manual lifting, such as back strains or other musculoskeletal disorders.

Furthermore, proper training in lifting techniques is essential. Workers should be educated on how to lift properly if they are required to do so manually. This knowledge encompasses body mechanics and the proper approach to evading injuries. Adopting safe lifting practices ultimately fosters a safer work environment, minimizing the risk of accidents related to lifting operations.

For context, while manual lifting techniques and limitations on weight are important considerations, the primary focus of safety in EM 385-1-1 is to leverage mechanical aids (like cranes) and ensure that personnel are well-trained. Therefore, restricting lifting to manual efforts alone or enforcing arbitrary weight limits without considering the use of appropriate equipment does not meet the comprehensive safety standards of the Corps of Engineers.