Major accident hazards in coal mining enterprises

On May 25th, the Interim Measures for the Identification and Supervision of Major Accident Hazards in Hunan Coal Mines (Draft for Comments) were released for public consultation. Coal and gas outburst mines that fail to implement preventive measures in accordance with regulations will be identified as major accident hazards. DBj Xiaoxiang Morning Post website

If any of the following situations are found in coal mining enterprises, they should be identified as major accident hazards: coal and gas outburst mines that fail to implement preventive measures for outburst according to regulations; Coal seams that do not have the conditions for mining protective layers and have not adopted pre extraction coal seam gas area outburst prevention measures and conducted regional measure effectiveness testing; Insufficient total air volume or horizontal air volume in mines, mining areas, and working faces; The mine level, mining area, and mining face have not formed negative pressure ventilation or violated the regulations for series ventilation; Those who fail to stop operations and evacuate personnel when the concentration of gas, carbon dioxide, hydrogen sulfide, and other substances in coal mines exceeds the prescribed value; Failure to take measures in case of water hazards or unknown hydrogeological conditions in the mining face; The performance of the security monitoring system equipment is incomplete and cannot work properly; Mines that have not implemented dual circuit power supply as required; When using inclined shaft vehicles to transport personnel in mines, the lifting devices, wire ropes, inclined shaft vehicles, and various protective devices do not comply with relevant regulations.