What responsibilities do a spotter have when excavating near a pipeline?

What responsibilities do a spotter have when excavating near a pipeline?

• A. Stand by at a distance and only alert if there is a leak.
• B. Record the work in a log and leave the site when not interfering.
• C. Maintain safe clearance, guide equipment, watch for exposed pipe or damage, and stop work if hazards appear.
• D. Direct the operator to remove the pipeline from the area.

Answer: (C)