Section 109.07 - Pipeline Location Marking(1) An aboveground line marker shall be placed and maintained at or as close as practicable over each buried pipeline to meet the transmission line requirements set forth in 49 CFR 192.707, except for buried pipelines within the confines of a gate station. The references to location class requirements shall be as defined in 49 CFR 192.5.(2) The operator shall maintain drawings or plans showing the actual location of the pipeline, valves, pressure regulating stations, and any other pipeline facilities. The drawings or plans shall be updated whenever any changes are made to the pipeline. Each pipeline and its routing shall be reviewed in the field at least once each calendar year, but at intervals not to exceed 15 months, to determine whether the drawings or plans must be revised. The annual review shall be documented. Maps indicating the route of the pipeline shall be given to the fire department and public works department of each municipality through which the pipeline passes. Updated maps, whenever prepared, shall also be provided.Amended by Mass Register Issue 1432, eff. 12/11/2020.