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Multiple Choice

What is the interval for edge markers after the arresting system?

Spacing edge markers after an arresting system is about providing a clear, visible boundary so personnel and operators can recognize the hazard and maintain a safe clearance as things move past the system. Two hundred feet is the standard interval because markers need to cover long sight lines and give enough time to notice, interpret, and react. Shorter intervals would clutter the boundary without a real safety gain, while longer intervals could leave gaps in visibility and reduce the chance of the boundary being noticed in time. Consistent spacing also helps people gauge distance to the arresting system and maintain safe approach and retreat paths.

Spacing edge markers after an arresting system is about providing a clear, visible boundary so personnel and operators can recognize the hazard and maintain a safe clearance as things move past the system. Two hundred feet is the standard interval because markers need to cover long sight lines and give enough time to notice, interpret, and react. Shorter intervals would clutter the boundary without a real safety gain, while longer intervals could leave gaps in visibility and reduce the chance of the boundary being noticed in time. Consistent spacing also helps people gauge distance to the arresting system and maintain safe approach and retreat paths.