What is the primary purpose of NGA 71 and what does the term Critical AOC refer to in the context of excavating near pipelines?

What is the primary purpose of NGA 71 and what does the term Critical AOC refer to in the context of excavating near pipelines?

• A. It describes general construction standards; Critical AOC is the safe distance for heavy equipment.
• B. It regulates pipeline funding and ownership; Critical AOC is the legal boundary of land ownership.
• C. It provides safety guidelines for excavation and backfilling near pipelines; Critical AOC denotes the highest-risk zone around a pipeline where heightened controls are required.
• D. It defines emergency response procedures for all utilities; Critical AOC is the area where all work must stop.

Answer: (C)