What needs to be approved for new ventilating openings?

Approval for new ventilating openings is primarily based on the plan of the proposed ventilation and equipment. This requirement is crucial since the effectiveness and safety of the ventilation system directly depend on the specific design and layout outlined in that plan. Proper ventilation is essential in underground mining operations, as it helps ensure a safe working environment by controlling air quality and preventing the accumulation of hazardous gases.

The proposed ventilation plan must be carefully thought out to account for factors such as air flow rates, potential sources of contamination, and the operational needs of the mine. By having a dedicated and detailed plan approved, mine operators can effectively establish a ventilation system that meets safety regulations and industry standards.

Other considerations, such as the overall mining plan, budget, and contractors, while important, are not specific to the ventilation system's immediate operational safety and effectiveness. Without an adequate ventilation and equipment plan, any other approved elements may prove ineffective or could hinder operational safety.