When is it permissible for a person to enter below ground at a mine?

Entering below ground at a mine is governed by strict regulations designed to ensure the safety of all individuals involved in mining operations. The correct answer indicates that a person must have permission from the mine manager before entering below ground. This is important because the mine manager is responsible for the health and safety protocols within the mine, and they ensure that only authorized and trained personnel access potentially dangerous areas.

Obtaining permission from the mine manager helps in managing the risk associated with underground mining, which includes hazards such as falling rock, gas exposure, and equipment operations. The mine manager has the authority to evaluate the specific circumstances and determine if it is safe for an individual to enter, considering factors such as the current operational status of the mine, the individual's qualifications, and overall safety protocols.

While having a valid ticket, being accompanied by a supervisor, or having completed safety training may be necessary requirements for specific individuals, these actions alone do not replace the need for explicit permission from the mine manager. The mine manager ultimately holds the responsibility for safety and compliance with regulatory obligations.