Understanding ANSI B11.0 - 2023 and Shear Points in Film and TV Production
In the bustling world of film and television production, safety is paramount. Yet, despite stringent protocols, mistakes can occur, especially regarding the application of standards like ANSI B11.0 - 2023. One critical area where errors often surface is in understanding and managing shear points, as defined in section 3.106 of the standard.
What is a Shear Point?
According to ANSI B11.0 - 2023, a shear point is described as the immediate area, other than the point of operation, where two or more machine elements pass in close contact, creating a shearing action. This definition is crucial for industries like film and television, where various types of machinery are used, from camera rigs to special effects equipment.
Common Mistakes in Film and TV
One frequent error is the underestimation of shear points in less obvious machinery. For instance, in film, the focus might be on the camera's point of operation, while ignoring the shear points created by moving parts of the camera rig or support structures. This oversight can lead to hazardous conditions, especially when crew members are working in close proximity to these machines.
Another common mistake is inadequate training on the identification and management of shear points. While crew members might be trained on general safety protocols, specific training on ANSI B11.0 - 2023 standards and shear points might be overlooked. This gap in knowledge can lead to accidents, as crew members may not recognize the risks associated with shear points in their daily operations.
Real-World Scenarios
In my experience working on film sets, I've seen firsthand how a lack of understanding of shear points can lead to near-misses. For example, during a shoot involving a moving camera rig, a technician narrowly avoided injury when their arm came too close to the shear point created by the rig's rotating arm. This incident underscored the need for thorough training and constant vigilance regarding all machinery on set.
Best Practices for Managing Shear Points
- Comprehensive Training: Ensure all crew members are trained on ANSI B11.0 - 2023, with a focus on identifying and mitigating shear points in their specific roles.
- Regular Inspections: Conduct regular safety inspections of all machinery to identify potential shear points and implement necessary safeguards.
- Clear Signage and Communication: Use clear signage to mark shear points and maintain open communication about safety protocols among the crew.
- Incident Reporting: Encourage and facilitate incident reporting to learn from near-misses and prevent future accidents.
By adhering to these best practices, film and television productions can significantly reduce the risk of accidents related to shear points. While no system is foolproof, and individual results may vary based on the specific conditions of each production, a proactive approach to safety can make a substantial difference.
For those seeking further resources on safety standards and best practices, the American National Standards Institute provides comprehensive information on ANSI B11.0 - 2023 and other relevant standards.


