Guidance on the preservation and recommissioning of existing combined cycle gas turbine (CCGT) plant

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  • Published: June 2017
  • REF/ISBN: 9780852938393
  • Edition: 1st
  • Status: Current

This publication provides guidance on the safe and efficient preservation and recommissioning of existing combined cycle gas turbine (CCGT) plant, to help plant meet the needs of the energy market. It is based on typical CCGT commissioning programmes and provides:

  • An overview of the principles behind preservation and recommissioning.
  • Guidance on how to effectively preserve key plant (mechanical and electronic) and return these to service.
  • Checklists for conducting routine activities during preservation.
  • Example schedules for preservation and recommissioning.
  • Example costs.
  • General guidance covering aspects of recommissioning including the systematic proof testing of the plant protection systems and the testing of mechanical trips (overspeed, pressure relief, etc.) and plant trips and interlocks compliant with the functional safety and safety integrity level (SIL) requirements (as identified).

This publication is intended for managers wishing to gain a general understanding of CCGT preservation and recommissioning, and can be used by the power generation industry to capture and consolidate the current industry knowledge on the safe preservation and recommissioning of CCGT plant. It can also be utilised by the plant owner/operator to capture specific knowledge and risk rank each task with the degree to which those risks are known and mitigated against for their CCGT plant.

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