sec.252General back-up for gas management system

### sec.252 General back-up for gas management system An underground mine’s principal hazard management plan for gas management must provide for the use of portable gas detectors to manage risk in the event of a failure or the non-operation of the gas management system. a non-operation caused by the repair, testing or maintenance of the system The mine must have a standard operating procedure for using the portable gas detectors in the event of the failure or non-operation. If the system fails or becomes non-operational, the underground mine manager for the mine must ensure coal mining operations are not carried out in the part of the mine affected by the failure or non-operation unless the part is continually monitored, using portable gas detectors, to achieve an acceptable level of risk. s 252 amd 2024 SL No. 167 s 31 (sec.252-ssec.1) An underground mine’s principal hazard management plan for gas management must provide for the use of portable gas detectors to manage risk in the event of a failure or the non-operation of the gas management system. a non-operation caused by the repair, testing or maintenance of the system (sec.252-ssec.2) The mine must have a standard operating procedure for using the portable gas detectors in the event of the failure or non-operation. (sec.252-ssec.3) If the system fails or becomes non-operational, the underground mine manager for the mine must ensure coal mining operations are not carried out in the part of the mine affected by the failure or non-operation unless the part is continually monitored, using portable gas detectors, to achieve an acceptable level of risk.