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PINGP Unit 1 & Unit 2 MUR 2010 Lessons Learned

PINGP Unit 1 & Unit 2 MUR 2010 Lessons Learned. Martin Cabiro Feedwater System 02/24/2011. MUR Uprate Specifications. MUR Power Uprate from current licensed core power of 1650 MWt to 1677 MWt. Expected increase of 9 MWe on Unit 1 and Unit 2.

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PINGP Unit 1 & Unit 2 MUR 2010 Lessons Learned

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  1. PINGPUnit 1 & Unit 2 MUR 2010 Lessons Learned Martin Cabiro Feedwater System 02/24/2011

  2. MUR Uprate Specifications • MUR Power Uprate from current licensed core power of 1650 MWt to 1677 MWt. • Expected increase of 9 MWe on Unit 1 and Unit 2. • RCS and Safety Related Systems were not impacted by the Uprate due to only ½ Degree F change in Th and Tc values. • MUR impact solely on BOP systems only.

  3. MUR- BOP System Impacts • Installation of Cameron Leading Edge Flow Meter (LEFM) on Unit 1 (1R25) and Unit 2 (2R25) with a power measurement uncertainty of .36%

  4. MUR- Power Ascension Monitoring Plan • Pre and Post Monitoring put in place due to industry OE of changes in MS, FW,HD, and Extraction Steam system flow induced vibrations. • PINGP System Engineering Team (15 Engineers) generated to perform Pre and Post Monitoring.

  5. MUR- Pre Monitoring Walk-down • Visual walk-downs performed in Turbine Building and Aux Building. • Target of walk-downs: • Identify existing pre Uprate system vibrations, oscillations in FW heaters, unusual piping configurations, audible and visual indications of flashing in pipes or tanks, and support or hanger positions.

  6. MUR- Pre Monitoring Walk-down Findings Examples of Pre Walk-down findings:

  7. MUR- Pre Monitoring Walk-down Findings (cont.)

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