What is the minimum charge of permissible explosives allowed for a hole that is 6 feet or deeper?

The minimum charge of permissible explosives allowed for a hole that is 6 feet or deeper is set at one and a half pounds. This requirement is based on safety regulations designed to ensure effective fragmentation while minimizing the potential for flyrock and other hazards associated with blasting operations. By establishing this minimum, regulations provide a standard that helps to ensure the stability of the blast and the safety of personnel working in and around the area.

When the charge is set at one and a half pounds, it is adequate to produce the necessary energy for a productive and safe blast while adhering to safety protocols. Records and guidelines from mining regulatory bodies support this standard, emphasizing the importance of using proper amounts of explosives to achieve optimal results without posing unnecessary risks to workers or the environment.