How shall explosives and firing devices be stored underground?

The correct answer emphasizes the importance of safety measures in the storage of explosives and firing devices underground. Storing these materials in separate containers provides a significant safety buffer against accidental detonation or unwanted interactions between the explosives and firing devices. The guideline of keeping them at least 5 feet apart or using a 4" hardwood partition within the same container helps to mitigate risk by reducing the chance of physical or thermal contact that could lead to a hazardous incident.

These measures are grounded in best practices and regulatory standards aimed at ensuring that should an accident occur, it is less likely to result in a larger explosion or chain reaction. Effective separation serves as a crucial part of safe mining operations, thereby protecting workers and minimizing potential environmental danger. Such protocols are essential in a high-risk environment like an underground facility where management of explosive materials is critical to operational safety.