Which of the following is a necessary safety measure before commencing a waterjetting job?

Barricading the work area is essential for ensuring the safety of personnel and bystanders during a waterjetting job. Waterjetting involves powerful jets of water that can reach extremely high pressures, which can displace materials and pose a risk of injury from flying debris or the high-velocity water itself.

By properly barricading the area, you create a physical barrier that restricts access to unauthorized individuals who may not be aware of the dangers involved. This precaution helps to prevent accidents, ensuring that only trained personnel are operating the equipment and that bystanders are kept at a safe distance from the potential hazards. Effective barricading not only protects individuals but also helps in maintaining a focused work environment, reducing the likelihood of distractions and mishaps during the operation.

Understanding the importance of this safety measure is crucial for any coatings inspector, as part of their role includes assessing and ensuring safety practices are followed on the job site.