Evidence shall show an understanding of monitoring and operating complex flow control, measuring and regulating devices on gas transmission systems in accordance with relevant legislation, code, regulations and procedures. to an extent indicated by the following aspects: T1. Principles of control systems used in monitoring and control of applicable organisational gas infrastructure T2. Component types, function and operation including: data collection and equipment control functions including: Remote Terminal Unit (RTU) Plant Control System (PCS) what’s this mean? PLC’s Programmable Logic Controllers DCS’s Distributive Control Systems system controller interface such as Human Machine Interface (HMI) data and voice communication including: Satellite Link Internet Protocol (IP) Modem/ISDN UHF/VHF Radio Microwave Local Area Network (LAN) Wide Area Network (WAN) T3. Remote Telemetry Units (RTU’s) and associated controller operation including: start up and shut down of process controllers and RTU equipment adjustment of process set point control and status e.g. local/remote and auto/manual alarm monitoring, acknowledgement, prioritisation and escalation alarm inhibit/enablement/disablement. T4. Gas conditioning and monitoring equipment principles of operation components fault finding, adjustments, replacement and minor repairs T5. Pressure control equipment types principles of operation fault finding, adjustments, replacement and minor repairs T6. Gas flow measurement equipment types operation fault finding, adjustments, replacement and minor repairs T7. Gas station alarms and safety devices types operation fault finding, adjustments, replacement and minor repairs T8. Gas station valves types operation maintenance fault finding, adjustments, replacement and minor repairs T9. Monitoring, control and trending functions including, but not limited to: Start up and shut down of system interfaces Adjustment of applicable security status functions to suit requirements Alarm monitoring, acknowledgement, prioritisation and escalation Alarm inhibit/enablement/disablement Changing of applicable alarm parameters as required Analysis of trends and abnormal operating conditions Creation of trends as applicable Filtering of alarm and event logs Maintenance and adjustment including: Scanning ranges and properties Control limitations Detailed history retrieval options Auxiliary control functions Dead band adjustment T10. Basic troubleshooting including, as applicable: Server synchronisation and switch to backup Shutdown and re-start of system T11. System data recording and data communication capabilities with third-party software applications such as external databases and spreadsheet programs etc. T12. Gas station venting, purging and pressurisation operations T13. Gas station operation requirements and procedures change over regulator and meter runs change over filters/separators purge and pressurise station adjust set points T14. Manufactures specifications, manuals and procedures. T15. Organisations gas facility manuals, drawings, schematics, displays, switches, P+ID’s and procedures T16. Relevant Legislation, Standards, Codes and Regulations T17. Consultations appropriate persons to coordinate work and persons T18. Required documentation, records and reports |