Elements and Performance Criteria
- Plan and prepare work
- Safety issues are identified to comply with enterprise/site requirements
- Work requirements are identified from relevant personnel and documentation
- Pre-operational checks are carried out on plant according to manufacturer’s recommendations and site requirements
- Where appropriate, the teams and individuals roles and responsibilities within the team are identified and, where required, assist in the provision of the on-the-job training
- Operate plant
- Supplementary firing system is placed in and out of service in accordance with enterprise, manufacturer’s and site requirements.
- Gas turbine exhaust gas flow and power output are adjusted to achieve required steam temperature, pressure and flow conditions, observing operating requirements.
- Feedwater flows are adjusted to achieve required steam conditions and demand while observing operating requirements
- Heat Recovery Steam generator drains and vents are operated in accordance with enterprise, manufacturer’s and site requirements to depressurise and drain the steam/water space and heat exchange elements as required.
- Heat Recovery Steam Generator is maintained in the required out of service condition in accordance with enterprise, manufacturer’s and site requirements.
- Boiler water quality is maintained within the required parameters to prevent corrosion of the drums, headers and heat exchange elements
- Plant is operated within limits of plant design, enterprise or site requirements
- Plant is monitored and observed to detect deviations from required operating conditions
- Corrective action is taken to rectify abnormalities in accordance with manufacturer’s and enterprise/site procedures
- Test plant operation
- Tests are performed in accordance with defined procedures applicable to the operational test
- System and plant is observed for correct operational response
- Corrective action is taken when response is not in accordance with documentation, plant integrity or personnel safety requirements
- Plant is returned to required operational status upon completion of test
- Analyse system faults
- Causes of abnormal plant operating conditions are identified by analysing the technical and operational information in a logical and sequential manner
- Corrective action taken is in accordance with enterprise/site procedures
- Plant integrity and personnel safety is maintained through consultation with appropriate personnel, and reference to plant, technical and operational documentation
- Appropriate personnel are notified when defects are detected
- Complete documentation