This Prestandard is applicable to Pipeline Integrity Management System (PIMS). It is a safety management system, whose field is pipeline integrity. The field doesn¿t cover occupational health. Each natural gas pipeline operator has a system to manage all its resources and activities. This management system is specific to each operator. It generally integrates all the following activities: storage, compression, transportation and delivery of natural gas The structure in the scope of PIMS are on-shore pipelines and related equipment (insulating devices, disconnecting devices, pre-pressure reduction devices, cathodic protection equipment, simple interconnections). The delivery points, "complex" interconnections, storage facilities, terminals and compressor stations are not included in this scope.