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Coal Mining Safety and Health Regulation 2017
sec.232Main exhausting fan
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### sec.232 Main exhausting fan
The ventilating air passing through a main exhausting fan must be monitored by at least 1 automatic methane detector to detect the air’s general body concentration of methane.
The detector must automatically activate a visible alarm when the concentration exceeds the percentage stated in the mine’s principal hazard management plan for ventilation as the percentage that must not be exceeded before the detector activates the alarm.
(sec.232-ssec.1) The ventilating air passing through a main exhausting fan must be monitored by at least 1 automatic methane detector to detect the air’s general body concentration of methane.
(sec.232-ssec.2) The detector must automatically activate a visible alarm when the concentration exceeds the percentage stated in the mine’s principal hazard management plan for ventilation as the percentage that must not be exceeded before the detector activates the alarm.