Section 109.13 - Operations and Maintenance(1) The pressure at the beginning of a pipeline and at each of the end points of a pipeline shall be monitored except for short segments of pipe within the confines of a gate station.(2) The flow rate and other pressures or operating functions determined necessary by the operator for the safe operation of a pipeline shall be monitored.(3) The functions listed in 220 CMR 109.13(1) and 109.13(2) shall be monitored at a continuously attended control center. Any abnormal condition of a monitored function shall activate audible and visible alarms at the control center.(4) The entire route of the pipeline shall be patrolled at least four times each calendar year but at intervals of no more than 41/2 months.(5) Each pipeline shall be leakage surveyed at least once each calendar year but at intervals of no more than 15 months. Leakage surveys shall be done with flame ionization detectors or equivalent devices.(6) There shall be written procedures for any maintenance or repairs performed on a pipeline. The materials and equipment used for maintenance or repair shall be suitable for the MAOP of the pipeline. Personnel shall be trained in the procedures and use of the materials and equipment before any maintenance or repairs are performed.Amended by Mass Register Issue 1432, eff. 12/11/2020.