ML14070A145

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WCAP-17626-NP, Revision 1, Processing of Peach Bottom Unit 2 and Unit 3 MSL Strain Gauge Data and Computation of Predicted EPU Signature.
ML14070A145
Person / Time
Site: Peach Bottom  Constellation icon.png
Issue date: 02/28/2014
From: Rowland A M
Westinghouse
To:
Office of Nuclear Reactor Regulation
References
WCAP-17626-NP, Rev 1
Download: ML14070A145 (55)
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{{#Wiki_filter:Attachment 10Peach Bottom Atomic Power Station Units 2 and 3NRC Docket Nos. 50-277 and 50-278WCAP-17626, Rev 1, MSL Strain Gauge Data and Computation of Predicted EPUSignature Westinghouse Non-Proprietary Class 3WCAP-17626-NP February 201Revision 1Processing of Peach BottomUnit 2 and Unit 3MSL Strain Gauge Data andComputation of Predicted EPUSignature Westinghouse 4 WESTINGHOUSE NON-PROPRIETARY CLASS 3WCAP-17626-NP Revision 1Processing of Peach Bottom Unit 2 and Unit 3MSL Strain Gauge Data and Computation of Predicted EPUSignature AnnMarie Rowland*U.S. BWR Engineering February 2014Reviewers: Inessa E. Berman*U.S. BWR Engineering Approved: David R. Forsyth*, ManagerBWR Plant & Stress Analysis*Electronically approved records are authenticated in the electronic document management system.Westinghouse Electric Company LLC1000 Westinghouse DriveCranberry

Township, PA 16066, USA© 2014 Westinghouse Electric Company LLCAll Rights ReservedWCAP-17626-NP.docx WESTINGHOUSE NON-PROPRIETARY CLASS 3 iiTABLE OF CONTENTSLIST OF TABLES .......................................................................................................................................

iiiLIST OF FIG URES ..................................................................................................................................... ivEX ECUTIV E SUM M A RY .......................................................................................................................... viLIST OF ACRON YM S AN D A BBREVIATION S ................................................................................. viiI BA CKGROUN D AN D INTRODUCTION .................................................................................. 1-12 SUM M A RY OF PREVIOU S W ORK .......................................................................................... 2-12.1 A COU STIC SCREEN IN G .............................................................................................. 2-12.2 SUB SCALE TESTIN G ................................................................................................... 2-12.3 PLAN T DATA RECORD IN G S ....................................................................................... 2-12.4 DATA A CQUISITION ..................................................................................................... 2-33 DATA PROCESSIN G PLAN AN D RESULTS ............................................................................ 3-13.1 RAW DATA ..................................................................................................................... 3-23.2 STRA IN-TO-PRESSURE CONV ERSION ..................................................................... 3-23.3 N ARRO W -BAN D FILTERING ...................................................................................... 3-43.4 W AV ELET DEN OISIN G ................................................................................................ 3-43.5 COMPUTATION OF THE PREDICTED EPU* 1.02 SIGNAL ...................................... 3-64 INPUTS TO SIGNAL PROCESSING AND ASSUMPTIONS .................................................... 4-14.1 IN PUTS ........................................................................................................................... 4-14.2 A SSUM PTION S .............................................................................................................. 4-15 DISCU SSION OF RESULTS ....................................................................................................... 5-15.1 RAW DATA EVA LUATION ........................................................................................... 5-15.1.1 Unit 2 ............................................................................................................... 5-15.1.2 Unit 3 ............................................................................................................... 5-25.2 STRA IN -TO -PRESSURE CON VERSION ..................................................................... 5-35.2.1 Unit 2 ............................................................................................................... 5-35.2.2 Unit 3 ............................................................................................................... 5-35.3 FILTERIN G ..................................................................................................................... 5-45.3.1 Unit 2 ............................................................................................................... 5-45.3.2 Unit 3 ............................................................................................................... 5-55.4 W AVELET DEN OISIN G ................................................................................................ 5-65.4.1 Unit 2 ............................................................................................................... 5-65.4.2 Unit 3 ............................................................................................................. 5-135.5 EPU

  • 1.02 SIGNA L COM PUTATION

.......................................................................... 5-215.5.1 Unit 2 ............................................................................................................. 5-215.5.2 Unit 3 ............................................................................................................. 5-256 CON CLU SION S .......................................................................................................................... 6-17 RE FERE N CES ............................................................................................................................. 7-1WCAP- 17626-NP February 2014Revision 1 WESTINGHOUSE NON-PROPRIETARY CLASS 3iiiLIST OF TABLEST ab le 2 -1 [c ......................................................................................... 2-1Table 2-2 Dates and Times of Peach Bottom Unit 2 Data Recording ....................................................... 2-4Table 2-3 Dates and Times of Peach Bottom Unit 3 Data Recording ....................................................... 2-5Table 5-1 Summary of [ ]a,c ...................................................................... 5-3Table 5-2 Summary of [ pa.c ................................................................. 5-4Table 5-3 Peach Bottom Unit 2, Notch Filters, [ ]b .................................................... 5-5Table 5-4 Peach Bottom Unit 3, Notch Filters, [ ]b ............................................. 5-5WCAP- 17626-NPFebruary 2014Revision 1 WESTINGHOUSE NON-PROPRIETARY CLASS 3ivLIST OF FIGURESFigure 2-1 Schem atic of M SL [ ]ab.c ......................................................... 2-2Figure 3-1 Signal Processing Methodology Flowchart for [ ]ac ................................................... 3-1Figure 3-2 Pipe M ode D iagram , N = [0, 4] ................................................................................................ 3-3Figure 5-1 [ ]b ..................................... 5-2Figure 5-2 Unit 2 Raw, Filtered, and Denoised Pressure Data, MSL A Upstream .................................. 5-6Figure 5-3 Unit 2 Raw, Filtered, and Denoised Pressure Data, MSL A Downstream ............................. 5-7Figure 5-4 Unit 2 Raw, Filtered, and Denoised Pressure Data, MSL B Upstream ................................. 5-8Figure 5-5 Unit 2 Raw, Filtered, and Denoised Pressure Data, MSL B Downstream ............................. 5-9Figure 5-6 Unit 2 Raw, Filtered, and Denoised Pressure Data, MSL C Upstream ............................... 5-10Figure 5-7 Unit 2 Raw, Filtered, and Denoised Pressure Data, MSL C Downstream ........................... 5-11Figure 5-8 Unit 2 Raw, Filtered, and Denoised Pressure Data, MSL D Upstream ............................... 5-12Figure 5-9 Unit 2 Raw, Filtered, and Denoised Pressure Data, MSL D Downstream ...................... 5-13Figure 5-10 Unit 3 Raw, Filtered, and Denoised Pressure Data, MSL A Upstream ................................ 5-14Figure 5-11 Unit 3 Raw, Filtered, and Denoised Pressure Data, MSL A Downstream ........................... 5-15Figure 5-12 Unit 3 Raw, Filtered, and Denoised Pressure Data, MSL B Upstream ............................... 5-16Figure 5-13 Unit 3 Raw, Filtered, and Denoised Pressure Data, MSL B Downstream ........................... 5-17Figure 5-14 Unit 3 Raw, Filtered, and Denoised Pressure Data, MSL C Upstream ............................... 5-18Figure 5-15 Unit 3 Raw, Filtered, and Denoised Pressure Data, MSL C Downstream ........................... 5-19Figure 5-16 Unit 3 Raw, Filtered, and Denoised Pressure Data, MSL D Upstream ............................... 5-20Figure 5-17 Unit 3 Raw, Filtered, and Denoised Pressure Data, MSL D Downstream .......................... 5-21Figure 5-18 Unit 2 CLTP and Predicted EPU* 1.02 Signal, MSL A US ................................................. 5-22Figure 5-19 Unit 2 CLTP and Predicted EPU* 1.02 Signal, MSL ADS ................................................. 5-22Figure 5-20 Unit 2 CLTP and Predicted EPU* 1.02 Signal, MSL B US ................................................. 5-23Figure 5-21 Unit 2 CLTP and Predicted EPU* 1.02 Signal, MSL B DS ................................................. 5-23Figure 5-22 Unit 2 CLTP and Predicted EPU* 1.02 Signal, MSL C US ................................................. 5-24Figure 5-23 Unit 2 CLTP and Predicted EPU* 1.02 Signal, MSL C DS ................................................. 5-24Figure 5-24 Unit 2 CLTP and Predicted EPU* 1.02 Signal, MSL D US ................................................. 5-25Figure 5-25 Unit 2 CLTP and Predicted EPU* 1.02 Signal, MSL D DS ................................................. 5-25Figure 5-26 Unit 3 CLTP and Predicted EPU* 1.02 Signal, MSL A US ................................................. 5-26Figure 5-27 Unit 3 CLTP and Predicted EPU* 1.02 Signal, MSL A DS ................................................. 5-26Figure 5-28 Unit 3 CLTP and Predicted EPU* 1.02 Signal, MSL B US ................................................. 5-27WCAP- 17626-NPFebruary 2014Revision 1 WESTINGHOUSE NON-PROPRIETARY CLASS 3VFigure 5-29 Unit 3 CLTP and Predicted EPU* 1.02 Signal, MSL B DS ................................................. 5-27Figure 5-30 Unit 3 CLTP and Predicted EPU* 1.02 Signal, MSL C US ................................................. 5-28Figure 5-31 Unit 3 CLTP and Predicted EPU* 1.02 Signal, MSL C DS ................................................. 5-28Figure 5-32 Unit 3 CLTP and Predicted EPU* 1.02 Signal, MSL D US ................................................. 5-29Figure 5-33 Unit 3 CLTP and Predicted EPU* 1.02 Signal, MSL D DS ................................................. 5-29WCAP- 1 7626-NP February 2014WCAP- I17626-NP February 2014Revision I WESTINGHOUSE NON-PROPRIETARY CLASS 3viEXECUTIVE SUMMARYPeach Bottom Atomic Power Stations (PBAPS2 and PBAPS3, herein referred to as "Peach Bottom Unit 2and Peach Bottom Unit 3") are implementing an extended power uprate (EPU) to increase plant power toI]acTo satisfy the requirements of the United States Nuclear Regulatory Commission (NRC) Regulatory Guide 1.20, Revision 3 (Reference 2), an analysis must be performed to demonstrate the structural integrity of the steam dryer at EPU conditions.[ I]IC] axI]ac[] aWCAP- 1 7626-NPFebruary 2014Revision 1 WESTINGHOUSE NON-PROPRIETARY CLASS 3viiACACEASCIIBWRCLTPDASDSDWTEICEPUEPU* 1.02FFTHPCIMSLNRCOEMPCFPBAPSPSDRRPRSDSIASNRSRVSSVUSVPFLIST OF ACRONYMS AND ABBREVIATIONS alternating currentI ]aAmerican Standard Code for Infonnation Interchange boiling water reactorcurrent licensed thermal powerdata acquisition systemdownstream (for Figures only)discrete wavelet transform electrical interference checkextended power uprate102 percent of extended power upratefast Fourier transform high-pressure coolant injection main steam lineNuclear Regulatory Commission original equipment manufacturer [ ]aPeach Bottom Atomic Power Stationspower spectral densityreactor recirculation pumpreplacement steam dryerStructural Integrity Associates, Inc.signal-to-noise ratiosafety relief valvesafety spring valveupstream (for Figures only)vane passing frequency Trademark Note:MATLAB is a registered trademark of The MathWorks, Inc.WCAP- 17626-NPFebruary 2014Revision 1 WESTINGHOUSE NON-PROPRIETARY CLASS 31-11 BACKGROUND AND INTRODUCTION a.cPrevious industry experience with boiling water reactors (BWRs) has shown that increasing the steamflow through the MSLs to implement an EPU may lead to amplified acoustic loads on the steam dryer,which may negatively affect the structural integrity of the component. [NRC Regulatory Guide 1.20, Revision 3 (Reference 2), contains requirements for demonstrating thestructural integrity of the steam dryer at power levels higher than CLTP.]a~cI]a,b,cI]a,b,cI]a.b.cWCAP- 1 7626-NP February 2014WCAP- 17626-NPFebruary 2014Revision I WESTINGHOUSE NON-PROPRIETARY CLASS 31-2]acWCAP- 17626-NP February 2014Revision 1 WESTINGHOUSE NON-PROPRIETARY CLASS 32-12 SUMMARY OF PREVIOUS WORK2.1 ACOUSTIC SCREENING I]ab~cTable 2-1 [ ]a,c2.2 SUBSCALE TESTING[a.b2.3 PLANT DATA RECORDINGS I]a~cWCAP- 17626-NPFebruary 2014Revision I WESTINGHOUSE NON-PROPRIETARY CLASS 32-2WESTINGHOUSE NON-PROPRIETARY CLASS 3 2-2I] a,caxac(2-1)(2-2)EWhere,[]a,ca,cFigure 2-1 Schematic of MSL []a,b,cWCAP- 1 7626-NPFebruary 2014Revision I WESTINGHOUSE NON-PROPRIETARY CLASS 32-3WESTINGHOUSE NON-PROPRIETARY CLASS 3 2-3[acIC2.4 DATA ACQUISITION pacpacTable 2-2 summarizes the data collected duringTable 2-3 summarizes the data collected during [[]ab,cWCAP- 17626-NPFebruary 2014Revision 1 WESTINGHOUSE NON-PROPRIETARY CLASS 32-4WESTINGHOUSE NON-PROPRIETARY CLASS 3 2-4Table 2-2 Dates and Times of Peach Bottom Unit 2 Data Recording Recording CLTP Filename Date TimebWCAP- 17626-NPFebruary 2014Revision 1 WESTINGHOUSE NON-PROPRIETARY CLASS 32-5WCAP- 17626-NP February 2014Revision I 3[WESTINGHOUSE NON-PROPRIETARY CLASS 3DATA PROCESSING PLAN AND RESULTSFigure 3-1 Signal Processing Methodology Flowchart for3-1] a,ca,cI a,cWCAP- 17626-NPFebruary 2014Revision 1 WESTINGHOUSE NON-PROPRIETARY CLASS 33-23.1 RAW DATAI:]a.c3.2 STRAIN-TO-PRESSURE CONVERSION The strain to pressure conversion is shown in Box 4 of Figure 3-1.]a,cI] a.c(3-1)where,I]a,cWCAP- 1 7626-NP February 2014WCAP- 17626-NPFebruary 2014Revision I WESTINGHOUSE NON-PROPRIETARY CLASS 33-3WESTINGHOUSE NON-PROPRIETARY CLASS 3 3-3a,cFigure 3-2 Pipe Mode Diagram, N= [0, 41I]a,cI]acWCAP- 17626-NPFebruary 2014Revision 1 WESTINGHOUSE NON-PROPRIETARY CLASS 33-4E] a,c(3-2)where,[a ,cIac3.3 NARROW-BAND FILTERING Narrow-band filtering is shown in Boxes 7-10 of Figure 3-1. [] a,cI]a.c13.4[a,cWAVELET DENOISING a,cWCAP- 1 7626-NPFebruary 2014Revision 1 WESTINGHOUSE NON-PROPRIETARY CLASS 33-5II]f.CIIC1.2.3.[I C]cle[I CIIC[IC(3-3)where,[[I cI cI]a.xII CWCAP- 1 7626-NPFebruary 2014Revision 1 WESTINGHOUSE NON-PROPRIETARY CLASS 3COMPUTATION OF THE PREDICTED EPU*l.02 SIGNAL3-63.5[1acIWCAP- 17626-NPFebruary 2014Revision 1 WESTINGHOUSE NON-PROPRIETARY CLASS 3 4-14 INPUTS TO SIGNAL PROCESSING AND ASSUMPTIONS 4.1 INPUTS[]acII a.c4.21.ASSUMPTIONS II]a,c2. 1]a.c3.4.5. []a.,c]a~c]a,c6. The acoustic speed in steam is assumed to be 1484.3 ft/s.WCAP- 17626-NPFebruary 2014Revision 1 WESTINGHOUSE NON-PROPRIETARY CLASS 35-1WESTINGHOUSE NON-PROPRIETARY CLASS 3 5-15 DISCUSSION OF RESULTS5.1 RAW DATA EVALUATION In fall 2010,In fall 2011,]a,b]a,c5.1.1 Unit 2[]bWCAP- 1 7626-NPFebruary 2014Revision 1 WESTINGHOUSE NON-PROPRIETARY CLASS 35-2Figure 5-15.1.2 Unit 3[WCAP- 17626-NP February 2014WCAP- 17626-NPFebruary 2014Revision I WESTINGHOUSE NON-PROPRIETARY CLASS 35-35.2 STRAIN-TO-PRESSURE CONVERSION []a.c5.2.1 Unit 2[]a.b~cTable 5-1 Summary of I la,cMSL LOC Channel Meanb5.2.2 Unit 3[pacI]abWCAP- 1 7626-NP February 2014WCAP- I17626-NP February 2014Revision I WESTINGHOUSE NON-PROPRIETARY CLASS 35-4WESTINGHOUSE NON-PROPRIETARY CLASS 3 5-4Table 5-2 Summary of [ ]a~cMSL LOC Channel Meanb5.3 FILTERING II axcI]a.b5.3.1 Unit 2]bWCAP- 1 7626-NPFebruary 2014Revision 1 WESTINGHOUSE NON-PROPRIETARY CLASS 35-5WESTINGHOUSE NON-PROPRIETARY CLASS 3 5-5Table 5-3 Peach Bottom Unit 2, Notch Filters, [ ]bLow HighFilter Order Freq Freq Filter Type Reason___ I ___ I ___ I ___ I ______bt I + +I F -f I5.3.2 Unit 3ITable 5-4 Peach Bottom Unit 3, Notch Filters, [bLow HighFilter Order Freq Freq Filter Type ReasonbI _ _ I _ _ I _ _ I _ _ I _ _ _WCAP- 17626-NPFebruary 2014Revision 1 WESTINGHOUSE NON-PROPRIETARY CLASS 35-65.4 WAVELET DENOISING II a,c5.4.1 Unit 2Figure 5-2 through Figure 5-9 show the derived MSL pressures at CLTP before and afteriCFigure 5-2 Unit 2 Raw, Filtered, and Denoised Pressure Data, MSL A UpstreambWCAP- 1 7626-NPFebruary 2014Revision I WESTINGHOUSE NON-PROPRIETARY CLASS 35-7WESTINGHOUSE NON-PROPRIETARY CLASS 3 5-7bFigure 5-3 Unit 2 Raw, Filtered, and Denoised Pressure Data, MSL A Downstream WCAP- 1 7626-NPFebruary 2014Revision 1 WESTINGHOUSE NON-PROPRIETARY CLASS 35-8bFigure 5-4 Unit 2 Raw, Filtered, and Denoised Pressure Data, MSL B UpstreamWCAP- 1 7626-NPFebruary 2014Revision 1 WESTINGHOUSE NON-PROPRIETARY CLASS 35-9bFigure 5-5 Unit 2 Raw, Filtered, and Denoised Pressure Data, MSL B Downstream WCAP- 17626-NPFebruary 2014Revision 1 WESTINGHOUSE NON-PROPRIETARY CLASS 35-10bFigure 5-6 Unit 2 Raw, Filtered, and Denoised Pressure Data, MSL C UpstreamWCAP- 1 7626-NP February 2014WCAP- I 7626-NPFebruary 2014Revision I WESTINGHOUSE NON-PROPRIETARY CLASS 35-11WESTINGHOUSE NON-PROPRIETARY CLASS 3 5-11bFigure 5-7 Unit 2 Raw, Filtered, and Denoised Pressure Data, MSL C Downstream WCAP- 1 7626-NP February 2014WCAP- 17626-NPFebruary 2014Revision I WESTINGHOUSE NON-PROPRIETARY CLASS 35-12WESTINGHOUSE NON-PROPRIETARY CLASS 3 5-12bFigure 5-8 Unit 2 Raw, Filtered, and Denoised Pressure Data, MSL D UpstreamWCAP- 17626-NPFebruary 2014Revision 1 WESTINGHOUSE NON-PROPRIETARY CLASS 35-13WESTINGHOUSE NON-PROPRIETARY CLASS 3 5-13bFigure 5-9 Unit 2 Raw, Filtered, and Denoised Pressure Data, MSL D Downstream 5.4.2 Unit 3Figure 5-10 though Figure 5-17 show the derived MSL pressures at CLTP before and after]°WCAP- 1 7626-NP February 2014WCAP- 17626-NPFebruary 2014Revision I WESTINGHOUSE NON-PROPRIETARY CLASS 35-14WESTINGHOUSE NON-PROPRIETARY CLASS 3 5-14bFigure 5-10 Unit 3 Raw, Filtered, and Denoised Pressure Data, MSL A UpstreamWCAP- 17626-NPFebruary 2014Revision I WESTINGHOUSE NON-PROPRIETARY CLASS 35-15bFigure 5-11 Unit 3 Raw, Filtered, and Denoised Pressure Data, MSL A Downstream WCAP- 17626-NPFebruary 2014Revision I WESTINGHOUSE NON-PROPRIETARY CLASS 35-16WESTINGHOUSE NON-PROPRIETARY CLASS 3 5-16bFigure 5-12 Unit 3 Raw, Filtered, and Denoised Pressure Data, MSL B UpstreamWCAP- 17626-NPFebruary 2014Revision 1 WESTINGHOUSE NON-PROPRIETARY CLASS 35-17bFigure 5-13 Unit 3 Raw, Filtered, and Denoised Pressure Data, MSL B Downstream WCAP- 17626-NPFebruary 2014Revision I WESTINGHOUSE NON-PROPRIETARY CLASS 35-18bFigure 5-14 Unit 3 Raw, Filtered, and Denoised Pressure Data, MSL C UpstreamWCAP- 17626-NPFebruary 2014Revision 1 WESTINGHOUSE NON-PROPRIETARY CLASS 35-19WESTINGHOUSE NON-PROPRIETARY CLASS 3 5-19bFigure 5-15 Unit 3 Raw, Filtered, and Denoised Pressure Data, MSL C Downstream WCAP- 1 7626-NP February 2014WCAP- 17626-NPFebruary 2014Revision I WESTINGHOUSE NON-PROPRIETARY CLASS 35-20bFigure 5-16 Unit 3 Raw, Filtered, and Denoised Pressure Data, MSL D UpstreamWCAP- 1 7626-NP February 2014WCAP- 17626-NPFebruary 2014Revision I WESTINGHOUSE NON-PROPRIETARY CLASS 35-21WESTINGHOUSE NON-PROPRIETARY CLASS 3 5-21bFigure 5-17 Unit 3 Raw, Filtered, and Denoised Pressure Data, MSL D Downstream 5.5 EPU*1.02 SIGNAL COMPUTATION I]axc5.5.1 Unit 2Figure 5-18 through Figure 5-25 show the]a.bWCAP- 17626-NPFebruary 2014Revision I WESTINGHOUSE NON-PROPRIETARY CLASS 35-22bFigure 5-18 Unit 2 CLTP and Predicted EPU*1.02 Signal, MSLA USFigure 5-19 Unit 2 CLTP and Predicted EPU*1.02 Signal, MSLA DSbWCAP- 17626-NPFebruary 2014Revision I WESTINGHOUSE NON-PROPRIETARY CLASS 35-23WESTINGHOUSE NON-PROPRIETARY CLASS 3 5-23bFigure 5-20 Unit 2 CLTP and Predicted EPU*1.02 Signal, MSL B USbFigure 5-21 Unit 2 CLTP and Predicted EPU*1.02 Signal, MSL B DSWCAP- 1 7626-NPFebruary 2014Revision 1 WESTINGHOUSE NON-PROPRIETARY CLASS 35-24WESTINGHOUSE NON-PROPRIETARY CLASS 3 5-24bFigure 5-22 Unit 2 CLTP and Predicted EPU*1.02 Signal, MSL C USbFigure 5-23 Unit 2 CLTP and Predicted EPU* 1.02 Signal, MSL C DSWCAP- 17626-NPFebruary 2014Revision 1 WESTINGHOUSE NON-PROPRIETARY CLASS 35-25WESTINGHOUSE NON-PROPRIETARY CLASS 3 5-25bFigure 5-24 Unit 2 CLTP and Predicted EPU*1.02 Signal, MSL D USbFigure 5-25 Unit 2 CLTP and Predicted EPU*1.02 Signal, MSL D DS5.5.2 Unit 3I Figure 5-26 through Figure 5-33 show the Unit []a,bWCAP-1 7626-NPFebruary 2014Revision 1 WESTINGHOUSE NON-PROPRIETARY CLASS 35-26WESTINGHOUSE NON-PROPRIETARY CLASS 3 5-26bFigure 5-26 Unit 3 CLTP and Predicted EPU*1.02 Signal, MSLA USbFigure 5-27 Unit 3 CLTP and Predicted EPU* 1.02 Signal, MSLA DSWCAP- 17626-NPFebruary 2014Revision I WESTINGHOUSE NON-PROPRIETARY CLASS 35-27WESTINGHOUSE NON-PROPRIETARY CLASS 3 5-27bFigure 5-28 Unit 3 CLTP and Predicted EPU*1.02 Signal, MSL B USbFigure 5-29 Unit 3 CLTP and Predicted EPU*1.02 Signal, MSL B DSWCAP- 17626-NPFebruary 2014Revision 1 WESTINGHOUSE NON-PROPRIETARY CLASS 35-28WESTINGHOUSE NON-PROPRIETARY CLASS 3 5-28bFigure 5-30 Unit 3 CLTP and Predicted EPU*1.02 Signal, MSL C USbFigure 5-31 Unit 3 CLTP and Predicted EPU*1.02 Signal, MSL C DSWCAP- 17626-NPFebruary 2014Revision I WESTINGHOUSE NON-PROPRIETARY CLASS 35-29WESTINGHOUSE NON-PROPRIETARY CLASS 3 5-29bFigure 5-32 Unit 3 CLTP and Predicted EPU*1.02 Signal, MSL D USbFigure 5-33 Unit 3 CLTP and Predicted EPU*1.02 Signal, MSL D DSWCAP- 17626-NPFebruary 2014Revision 1 WESTINGHOUSE NON-PROPRIETARY CLASS 36-16 CONCLUSIONS [The processing steps that define this methodology and that are described in this document can besummarized as follows:1. [2. [3. [4. []ax]a,c]a.c]a,cIja.WCAP- 1 7626-NPFebruary 2014Revision 1 WESTINGHOUSE NON-PROPRIETARY CLASS 37-17 REFERENCES

1. Exelon Technical Requirements
Document, "Technical Requirements for the Replacement ofSteam Dryers at Peach Bottom Atomic Power Station (PBAPS),

LaSalle County Generating Station (LCGS), and Limerick Generating Station (LGS)," Revision 1, February 24, 2012.2. Regulatory Guide 1.20, Rev. 3, "Comprehensive Vibration Assessment Program for ReactorIntemals During Preoperational and Initial Startup Testing," U.S. Nuclear Regulatory Commission, March 2007.3. BWR Vessel and Intemals

Project, Guidance for Demonstration of Steam Dryer Integrity forPower Uprate. Electric Power Research Institute, Palo Alto, CA: 2008. BWRVIP- 182-A.4.Westinghouse Report]ab5. Westinghouse Letter [6. Westinghouse Letter [7. Westinghouse Report].b]ab]a,b8. TODI EPU-DIR-T0305A-0, "Exelon Transmittal of Design Information" (Design Inputs forSteam Dryer Analysis),

March 1, 2010.9. Westinghouse Test Plan]a,b10. Westinghouse Test Plana,b11. Westinghouse Lettera.b12. Westinghouse Letter]a.bWCAP- 17626-NPFebruary 2014Revision 1 WESTINGHOUSE NON-PROPRIETARY CLASS 37-213. Calculation Package 1000102.301, Rev. 0, "Peach Bottom Unit 2 Strain Gauge Uncertainty Evaluation and Pressure Conversion Factors," Structural Integrity Associates, Inc., October 26,2010.14. Report 1000102.303, Rev. 0, "Peach Bottom Unit 3 Strain Gauge Uncertainty and PressureConversion Factors," Structural Integrity Associates, Inc., October 25, 2011.15.]a.b16. Letter AMK- 11-005, "Peach Bottom Unit 3 Strain Gauge Data Files Transmittal," Structural Integrity Associates, Inc., October 24, 2011.17. Specification SIS-10-002, "Peach Bottom Units 2 and 3 Main Steam Dynamic PressureMonitoring Data Acquisition Interface Specification," Structural Integrity Associates, Inc., June30, 2010.18. Calculation Package 1000 102.302, Rev. 0, "Peach Bottom Unit 2 Strain Gauge Data Reduction," Structural Integrity Associates, Inc., November 22, 2010.19. Report 1000102.304, Rev. 0, "Peach Bottom Unit 3 Strain Gauge Date Reduction," Structural Integrity Associates, Inc., November 14, 2011.WCAP- 1 7626-NPFebruary 2014Revision 1}}

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