232. Methane and other gas monitoring system in case of positive pressure in reservoir.
(1)A proper automatic on line or continuous methane monitoring system fitted with audio visual alarm shall be installed along the gas pipelines.(2)Methane monitors shall be placed at every five hundred meters interval along the main pipeline in the return air way or at closer interval if so required by the Regional Inspector.(3)Methane monitors shall be inter-faced to the electrically actuated valves attached to the tracer tubing.(4)Methane monitoring system shall be provided with uninterrupted power supply arrangement.(5)All air that cross or passes the pipe-line shall be monitored by methane monitors.(6)Calibration of each methane monitor and the system so installed shall be done quarterly and record of the same shall be maintained in a bound paged book kept for the purpose duly signed by the competent person and counter signed by assistant manager-in-charge of methane exploration or extraction operations and the manager.(7)All gas monitors and automatic gas detecting system shall be of a type approved in writing by the Chief inspector and the repairs and calibrations of all such monitors and system shall be undertaken only at an approved laboratory.
