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{{#Wiki_filter:Attachment 11 Peach Bottom Atomic Power Station Units 2 and 3 NRC Docket Nos. 50-277 and 50-278 WCAP-17639, Rev 3. Instrumentation Description for the Peach Bottom Unit 2 Replacement Steam Dryer
Westinghouse Non-Proprietary Class 3 WCAP-17639-NP                                      Febr uary 2014 Revision 3 Enclosure B.7 Instrumentation Description for the Peach Bottom Unit 2 Replacement Steam Dryer
) Westinghouse
WESTINGHOUSE NON-PROPRIETARY CLASS 3 WCAP-17639-NP Revision 3 Instrumentation Description for the Peach Bottom Unit 2 Replacement Steam Dryer Author Kristen Kahsar*
Reviewed by David A. Suddaby*
February 2014 Approved:      David R. Forsyth*, Manager BWR Plant & Stress Analysis
*Electronically approved records are authenticated in the electronic document management system.
Westinghouse Electric Company LLC 1000 Westinghouse Drive Cranberry Township, PA 16066, USA
                                  © 2014 Westinghouse Electric Company LLC All Rights Reserved
WESTINGHOUSE NON-PROPRIETARY CLASS 3                                              ii RECORD OF REVISIONS Revision                                      Description                                        Completed 0    Original issue                                                                          08/17/2012 1    Revised in accordance with customer audit. Due to the extent of revisions, change bars  8/27/2012 are not used.
2    Revised in accordance with customer audit. Due to the extent of revisions, change bars  9/25/2012 are not used.
3    Revised to incorporate details on new instruments and additional pressure transducer    See EDMS locations.
WCAP- 17639-NP                                                                                    February 2014 Revision 3
WESTINGHOUSE NON-PROPRIETARY CLASS 3                                                                                            iii TABLE OF CONTENTS R E C OR D OF RE V ISIO N S ..........................................................................................................................                ii L IST O F TA B L E S .......................................................................................................................................          iv LIST O F F IG U RE S ......................................................................................................................................          V L IST O F AC R ON YM S ................................................................................................................................              vi 1        IN T R OD U C TIO N ........................................................................................................................              1-1 2        INSTRUMENTATION OVERVIEW ...........................................................................................                                      2-1 3        DATA ACQUISITION AND REDUCTION SYSTEM ................................................................                                                    3-1 3.1    INSTRUMENT SPECIFICATIONS ................................................................................                                        3-1 3.2    INSTRUMENT POSITIONS ..........................................................................................                                    3-1 3.3    ENSURING ACQUISITION OF QUALITY DATA .......................................................                                                      3-3 3.4    ONLINE DATA EVALUATION SYSTEM .....................................................................                                                3-3 3.5    DETERMINING FREQUENCY, MODAL CONTENT, AND MAXIMUM VALUES.                                                                                          3-4 3.6    BIAS ERRORS AND RANDOM UNCERTAINTIES ....................................................                                                          3-4 4        REFERENCES .............................................................................................................................                  4-1 WCAP- 17639-NP                                                                                                                                            February 2014 Revision 3
WESTINGHOUSE NON-PROPRIETARY CLASS 3                                                                  iv LIST OF TABLES Tab le 3-1                  ]a,c ................................................................................. 3-1 WCAP- 17639-NP                                                                                      February 2014 Revision 3
WESTINGHOUSE NON-PROPRIETARY CLASS 3                                                          v LIST OF FIGURES F igure I-1 [                        ]a,c ............................................................... 1-1 WCAP- 17639-NP                                                                              February 2014 Revision 3
WESTINGHOUSE NON-PROPRIETARY CLASS 3                                    vi WESTINGHOUSE NON-PROPRIETARY CLASS 3                                    vi LIST OF ACRONYMS Acronym          Definition DAS              data acquisition system NRC              U.S. Nuclear Regulatory Commission OEM              original equipment manufacturer RAI              request for additional information Trademark Note:
INCONEL is a registered trademark of the Special Metals Corporation group of companies.
WCAP- 17639-NP                                                                          February 2014 Revision 3
WESTINGHOUSE NON-PROPRIETARY CLASS 3                                        1-1 1      INTRODUCTION Exelon is replacing the original equipment manufacturer (OEM) steam dryers at its Peach Bottom site.
The Peach Bottom site has two reactors numbered Unit 2 and Unit 3 that will have their steam dryers replaced with Westinghouse-designed steam dryers.
This document describes the instrumentation to be installed on the Peach Bottom Unit 2 replacement steam dryer (shown in Figure 1-1). This dryer will be the first of the two installed. The Peach Bottom Unit 2 steam dryer will be considered a "Prototype" design consistent with the U.S. Nuclear Regulatory Commision (NRC) document Regulatory Guide 1.20, "Comprehensive Vibration Assessment Program for Reactor Internals During Preoperational and Initial Startup Testing" (Reference 1).
                              ]a,c a,c Figure 1-1 [                                                  Ia,C WCAP-17639-NP                                                                                  February 2014 Revision 3
WESTINGHOUSE NON-PROPRIETARY CLASS 3          2-1 2      INSTRUMENTATION OVERVIEW I
WCAP- 17639-NP                                        February 2014 Revision 3
WESTINGHOUSE NON-PROPRIETARY CLASS 3                                      3-1 3        DATA ACQUISITION AND REDUCTION SYSTEM Sections 3.1 through 3.6 address subitems (a) through (f) of Section 2.2, item 1, in Regulatory Guide 1.20 (Reference 1). The material is limited to description of direct steam dryer instrumentation.
3.1      INSTRUMENT SPECIFICATIONS Consistent with the guidance contained in RG 1.20 (Reference 1), this section describes the accelerometer, pressure transducer, and strain gauge being used to instrument the steam dryer. Table 3-1 summarizes the instruments.
Table 3-1      [                            ]a,c I
                                                                                  ]a.b,c
[            ]ab,.c 3.2      INSTRUMENT POSITIONS Regulatory Guide 1.20 requests details on the "transducer positions, which should be sufficient to monitor significant lateral, vertical, and torsional structural motions of major reactor internals components in shell, beam, and rigid body modes of vibration, as well as significant hydraulic responses and those parameters that can be used to confirm the input forcing function" (Reference 1). This section describes the criteria WCAP-17639-NP                                                                                    February 2014 Revision 3
WESTINGHOUSE NON-PROPRIETARY CLASS 3                                        3-2 used to identify locations for the accelerometers, pressure transducers, and strain gauges installed on the steam dryer.
a,c WCAP- 17639-NP                                                                                  February 2014 Revision 3
WESTINGHOUSE NON-PROPRIETARY CLASS 3                                        3-3
                                                                              ]a~c 3.3      ENSURING ACQUISITION OF QUALITY DATA Regulatory Guide 1.20 requests details on the "precautions being taken to ensure acquisition of quality data (e.g., optimization of signal-to-noise ratio, relationship of recording times to data reduction requirements, choice of instrumentation system)" (Reference 1).
                                        ]a.c 3.4      ONLINE DATA EVALUATION SYSTEM Regulatory Guide 1.20 requests details on the "online data evaluation system to provide immediate verification of general data quality" (Reference 1).
WCAP- 17639-NP                                                                                    February 2014 Revision 3
WESTINGHOUSE NON-PROPRIETARY CLASS 3                                      3-4 ia,b,c 3.5    DETERMINING FREQUENCY, MODAL CONTENT, AND MAXIMUM VALUES Regulatory Guide 1.20 requests details on the "procedures for determining frequency, modal content, and maximum values of response" (Reference 1).
[                                                                                    ]a~c 3.6    BIAS ERRORS AND RANDOM UNCERTAINTIES Regulatory Guide 1.20 requests details on "all bias errors (such as model underprediction) and random uncertainties (such as instrumentation error) associated with the instrumentation and data acquisition systems" (Reference 1).
[
                                                    ]a, WCAP- 17639-NP                                                                                February 2014 Revision 3
WESTINGHOUSE NON-PROPRIETARY CLASS 3                                    4-1 4      REFERENCES
: 1. U.S. Nuclear Regulatory Commission, Regulatory Guide 1.20, Revision 3, "Comprehensive Vibration Assessment Program for Reactor Internals During Preoperational and Initial Startup Testing," March 2007.
: 2. Deleted.
: 3. WCAP-17609-P, Revision 2, "Peach Bottom Units 2 and 3 Replacement Steam Dryer Structural Evaluation for High-Cycle Acoustic Loads," February 2014. (Westinghouse Proprietary Class 2)
WCAP- 17639-NP                                                                            February 2014 Revision 3}}

Latest revision as of 07:06, 4 November 2019

WCAP-17639-NP, Revision 3, Instrumentation Description for the Peach Bottom Unit 2 Replacement Steam Dryer.
ML14070A146
Person / Time
Site: Peach Bottom  Constellation icon.png
Issue date: 02/28/2014
From: Kahsar K
Westinghouse
To:
Office of Nuclear Reactor Regulation
References
WCAP-17639-NP, Rev 3
Download: ML14070A146 (15)
v • d • e


Text

Attachment 11 Peach Bottom Atomic Power Station Units 2 and 3 NRC Docket Nos. 50-277 and 50-278 WCAP-17639, Rev 3. Instrumentation Description for the Peach Bottom Unit 2 Replacement Steam Dryer

Westinghouse Non-Proprietary Class 3 WCAP-17639-NP Febr uary 2014 Revision 3 Enclosure B.7 Instrumentation Description for the Peach Bottom Unit 2 Replacement Steam Dryer

) Westinghouse

WESTINGHOUSE NON-PROPRIETARY CLASS 3 WCAP-17639-NP Revision 3 Instrumentation Description for the Peach Bottom Unit 2 Replacement Steam Dryer Author Kristen Kahsar*

Reviewed by David A. Suddaby*

February 2014 Approved: David R. Forsyth*, Manager BWR Plant & Stress Analysis

  • Electronically approved records are authenticated in the electronic document management system.

Westinghouse Electric Company LLC 1000 Westinghouse Drive Cranberry Township, PA 16066, USA

© 2014 Westinghouse Electric Company LLC All Rights Reserved

WESTINGHOUSE NON-PROPRIETARY CLASS 3 ii RECORD OF REVISIONS Revision Description Completed 0 Original issue 08/17/2012 1 Revised in accordance with customer audit. Due to the extent of revisions, change bars 8/27/2012 are not used.

2 Revised in accordance with customer audit. Due to the extent of revisions, change bars 9/25/2012 are not used.

3 Revised to incorporate details on new instruments and additional pressure transducer See EDMS locations.

WCAP- 17639-NP February 2014 Revision 3

WESTINGHOUSE NON-PROPRIETARY CLASS 3 iii TABLE OF CONTENTS R E C OR D OF RE V ISIO N S .......................................................................................................................... ii L IST O F TA B L E S ....................................................................................................................................... iv LIST O F F IG U RE S ...................................................................................................................................... V L IST O F AC R ON YM S ................................................................................................................................ vi 1 IN T R OD U C TIO N ........................................................................................................................ 1-1 2 INSTRUMENTATION OVERVIEW ........................................................................................... 2-1 3 DATA ACQUISITION AND REDUCTION SYSTEM ................................................................ 3-1 3.1 INSTRUMENT SPECIFICATIONS ................................................................................ 3-1 3.2 INSTRUMENT POSITIONS .......................................................................................... 3-1 3.3 ENSURING ACQUISITION OF QUALITY DATA ....................................................... 3-3 3.4 ONLINE DATA EVALUATION SYSTEM ..................................................................... 3-3 3.5 DETERMINING FREQUENCY, MODAL CONTENT, AND MAXIMUM VALUES. 3-4 3.6 BIAS ERRORS AND RANDOM UNCERTAINTIES .................................................... 3-4 4 REFERENCES ............................................................................................................................. 4-1 WCAP- 17639-NP February 2014 Revision 3

WESTINGHOUSE NON-PROPRIETARY CLASS 3 iv LIST OF TABLES Tab le 3-1 ]a,c ................................................................................. 3-1 WCAP- 17639-NP February 2014 Revision 3

WESTINGHOUSE NON-PROPRIETARY CLASS 3 v LIST OF FIGURES F igure I-1 [ ]a,c ............................................................... 1-1 WCAP- 17639-NP February 2014 Revision 3

WESTINGHOUSE NON-PROPRIETARY CLASS 3 vi WESTINGHOUSE NON-PROPRIETARY CLASS 3 vi LIST OF ACRONYMS Acronym Definition DAS data acquisition system NRC U.S. Nuclear Regulatory Commission OEM original equipment manufacturer RAI request for additional information Trademark Note:

INCONEL is a registered trademark of the Special Metals Corporation group of companies.

WCAP- 17639-NP February 2014 Revision 3

WESTINGHOUSE NON-PROPRIETARY CLASS 3 1-1 1 INTRODUCTION Exelon is replacing the original equipment manufacturer (OEM) steam dryers at its Peach Bottom site.

The Peach Bottom site has two reactors numbered Unit 2 and Unit 3 that will have their steam dryers replaced with Westinghouse-designed steam dryers.

This document describes the instrumentation to be installed on the Peach Bottom Unit 2 replacement steam dryer (shown in Figure 1-1). This dryer will be the first of the two installed. The Peach Bottom Unit 2 steam dryer will be considered a "Prototype" design consistent with the U.S. Nuclear Regulatory Commision (NRC) document Regulatory Guide 1.20, "Comprehensive Vibration Assessment Program for Reactor Internals During Preoperational and Initial Startup Testing" (Reference 1).

]a,c a,c Figure 1-1 [ Ia,C WCAP-17639-NP February 2014 Revision 3

WESTINGHOUSE NON-PROPRIETARY CLASS 3 2-1 2 INSTRUMENTATION OVERVIEW I

WCAP- 17639-NP February 2014 Revision 3

WESTINGHOUSE NON-PROPRIETARY CLASS 3 3-1 3 DATA ACQUISITION AND REDUCTION SYSTEM Sections 3.1 through 3.6 address subitems (a) through (f) of Section 2.2, item 1, in Regulatory Guide 1.20 (Reference 1). The material is limited to description of direct steam dryer instrumentation.

3.1 INSTRUMENT SPECIFICATIONS Consistent with the guidance contained in RG 1.20 (Reference 1), this section describes the accelerometer, pressure transducer, and strain gauge being used to instrument the steam dryer. Table 3-1 summarizes the instruments.

Table 3-1 [ ]a,c I

]a.b,c

[ ]ab,.c 3.2 INSTRUMENT POSITIONS Regulatory Guide 1.20 requests details on the "transducer positions, which should be sufficient to monitor significant lateral, vertical, and torsional structural motions of major reactor internals components in shell, beam, and rigid body modes of vibration, as well as significant hydraulic responses and those parameters that can be used to confirm the input forcing function" (Reference 1). This section describes the criteria WCAP-17639-NP February 2014 Revision 3

WESTINGHOUSE NON-PROPRIETARY CLASS 3 3-2 used to identify locations for the accelerometers, pressure transducers, and strain gauges installed on the steam dryer.

a,c WCAP- 17639-NP February 2014 Revision 3

WESTINGHOUSE NON-PROPRIETARY CLASS 3 3-3

]a~c 3.3 ENSURING ACQUISITION OF QUALITY DATA Regulatory Guide 1.20 requests details on the "precautions being taken to ensure acquisition of quality data (e.g., optimization of signal-to-noise ratio, relationship of recording times to data reduction requirements, choice of instrumentation system)" (Reference 1).

]a.c 3.4 ONLINE DATA EVALUATION SYSTEM Regulatory Guide 1.20 requests details on the "online data evaluation system to provide immediate verification of general data quality" (Reference 1).

WCAP- 17639-NP February 2014 Revision 3

WESTINGHOUSE NON-PROPRIETARY CLASS 3 3-4 ia,b,c 3.5 DETERMINING FREQUENCY, MODAL CONTENT, AND MAXIMUM VALUES Regulatory Guide 1.20 requests details on the "procedures for determining frequency, modal content, and maximum values of response" (Reference 1).

[ ]a~c 3.6 BIAS ERRORS AND RANDOM UNCERTAINTIES Regulatory Guide 1.20 requests details on "all bias errors (such as model underprediction) and random uncertainties (such as instrumentation error) associated with the instrumentation and data acquisition systems" (Reference 1).

[

]a, WCAP- 17639-NP February 2014 Revision 3

WESTINGHOUSE NON-PROPRIETARY CLASS 3 4-1 4 REFERENCES

1. U.S. Nuclear Regulatory Commission, Regulatory Guide 1.20, Revision 3, "Comprehensive Vibration Assessment Program for Reactor Internals During Preoperational and Initial Startup Testing," March 2007.
2. Deleted.
3. WCAP-17609-P, Revision 2, "Peach Bottom Units 2 and 3 Replacement Steam Dryer Structural Evaluation for High-Cycle Acoustic Loads," February 2014. (Westinghouse Proprietary Class 2)

WCAP- 17639-NP February 2014 Revision 3

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