sec.244Intake airway intersecting with longwall face

### sec.244 Intake airway intersecting with longwall face At least 1 automatic methane detector must be located at the intersection between a longwall face and an intake airway. A detector located at the intersection between a longwall face and an intake airway must automatically— activate a visible alarm when the general body concentration of methane detected at the intersection exceeds 1%; and trip the electricity supply to longwall equipment in the longwall face and intake airway when the general body concentration of methane detected at the intersection exceeds 2%. See section 394 . s 244 sub 2019 SL No. 250 s 10 amd 2020 SL No. 118 s 10 (sec.244-ssec.1) At least 1 automatic methane detector must be located at the intersection between a longwall face and an intake airway. (sec.244-ssec.2) A detector located at the intersection between a longwall face and an intake airway must automatically— activate a visible alarm when the general body concentration of methane detected at the intersection exceeds 1%; and trip the electricity supply to longwall equipment in the longwall face and intake airway when the general body concentration of methane detected at the intersection exceeds 2%. - (a) activate a visible alarm when the general body concentration of methane detected at the intersection exceeds 1%; and - (b) trip the electricity supply to longwall equipment in the longwall face and intake airway when the general body concentration of methane detected at the intersection exceeds 2%.