CLH Pipeline System the GPSS and also gained from the surplus of income over expenditure that OPA used to generate from running the GPSS. The sale did not include the six coastal Oil Fuel Depots owned by the MoD, which continued to be operated and maintained by the residual OPA. Following its acquisition by CLH, the GPSS was subsequently renamed the CLH Pipeline System (CLH-PS). Since CLH have taken over the ownership of the GPSS a number of the pipelines that make up the system have been closed down. CLH Pipeline System The CLH Pipeline System (CLH-PS), formerly the Government Pipelines and Storage
Pipeline transport remotely, from what is usually known as the "Main Control Room". In this center, all the data related to field measurement is consolidated in one central database. The data is received from multiple RTUs along the pipeline. It is common to find RTUs installed at every station along the pipeline. The SCADA system at the Main Control Room receives all the field data and presents it to the pipeline operator through a set of screens or Human Machine Interface, showing the operational conditions of the pipeline. The operator can monitor the hydraulic conditions of the line, as well as send