Final answer:
A person must typically notify utility owners at least 2 business days and not more than 10 business days before starting excavation. This timeframe can vary based on local laws, but the common practice aligns with 'Call Before You Dig' or 811 services.
Step-by-step explanation:
When planning an excavation project, it is crucial to ensure the safety of the work by properly notifying utility owners before digging commences. This process is regulated to prevent damage to underground utility lines, which can lead to service interruptions, costly repairs, and dangerous situations.
The answer to the question of how many days in advance a person must notify utility owners before starting excavation depends on local laws and regulations. While the options provided are 2, 4, 8, or 10 days, the most common timeframe required by many utility notification laws in the United States is minimum 2 business days and not more than 10 business days (dependent on state regulations). This is referred to as Call Before You Dig or 811 services. Therefore, based on the provided options, the safest and most common answer would be option 4 - 10 Days, but this may vary, and the person should check the specific requirements within their state or local jurisdiction.