CP-201500776, Relief Request B-9, Second Ten Year Inservice Inspection Interval from 10CFR50.55a Inspection Requirements Due to Physical Interferences (1998 Edition of ASME Code, Section XI, 2000 Addenda Second Interval Start Date: August

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Relief Request B-9, Second Ten Year Inservice Inspection Interval from 10CFR50.55a Inspection Requirements Due to Physical Interferences (1998 Edition of ASME Code,Section XI, 2000 Addenda Second Interval Start Date: August
ML15224B362
Person / Time
Site: Comanche Peak Luminant icon.png
Issue date: 08/03/2015
From: Flores R, Madden F
Luminant Generation Co, Luminant Power
To:
Document Control Desk, Office of Nuclear Reactor Regulation
References
CP-201500776, TXX-15116
Download: ML15224B362 (51)


Text

Rafael Flores Luminant Power Senior Vice President P0O Box 1002 Chief Nuclear Officer 6322 North FM 56 Rafael.Flores@Luminant.com Glen Rose, TX 76043 Luminant 24969 CP-201500776 Ref. # 10CFR50.55a(g)(5)iii TXX-15 116 August 3, 2015 U. S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, DC 20555

SUBJECT:

COMANCHE PEAK NUCLEAR POWER PLANT DOCKET NO. 50-446 RELIEF REQUEST B-9 FOR UNIT 2 SECOND TEN YEAR INSERVICE INSPECTION INTERVAL FROM 10CFR50.55a INSPECTION REQUIREMENTS DUE TO PHYSICAL INTERFERENCES (1998 EDITION OF ASME CODE, SECTION XI, 2000 ADDENDA SECOND INTERVAL START DATE: AUGUST 3, 2004 SECOND INTERVAL END DATE: AUGUST 2, 2014)

Dear Sir or Madam:

Pursuant to 10 CFR 50.55a(g)(5) (iii)), Luminant Generation Company, LLC (Luminant Power) is submitting Relief Request B-9 (see attachments) for Comanche Peak Unit 2 for the second ten year inservice inspection interval. Luminant Power has determined that certain inspection requirements of ASME Section XI are impractical due to physical interferences.

The geometry of the inlet reactor vessel nozzle safe-end to stainless steel piping weld makes the Code required examination coverage requirements impractical. Ultrasonic Testing (UT) of the subject weld was performed during the second interval to the maximum extent practical based on design configuration restrictions and no indications were detected. Supplemental examination by eddy current technique was also performed and no indications were detected. Pressure test VT-2 visual examinations were also performed with no evidence of leakage identified for the subject component. No undue risk to the public health and safety is presented by this request.

This communication contains no new licensing basis commitments regarding Comanche Peak Unit 2.

U. S. Nucl~ear Regulatory Commission TXX-15 116 Page 2 of 2 08/03/2.015 Should you have any questions, please contact Mr. Jack Hicks at (254) 897-6725.

Sincerely, Luminant Generation Company LLC Rafael Flores By:,,J----*L Fred W. Madden Director, External Affairs - Relief Request B-9 for Unit 2 Second Ten Year ISI Interval from 10CFR5O.55a Inspection Requirements due to Physical Interferences - Examination Data Sheets (45 pages) c -

Marc L. Dapas, Region IV Balwant K. Singal, NRR Resident Inspectors, Comanche Peak Rob D. Troutt, TDLR Jack Ballard, ANII, Comanche Peak

Attachment I to TXX-15116 Page 1 of 4 COMANCHE PEAK NUCLEAR POWER PLANT UNIT 2 Relief Request Number B-9 for Unit 2 Second 10 Year ISI Interval From 10CFR50.55a Inspection Requirements due to Physical Interferences (Second 10-Year ISI Interval Start Date: August 3, 2004; End Date: August 2, 2014)

1.

ASME Code Component Affected:

Class 1 Risk-Informed Inservice Inspection (RI-ISI) piping welds as shown:

]?d-ISf Piping Welds (formerly Code Category B-I)

Code Cat/Item No.

RA/R1.20 Description Two (2) RV outlet safe-end to pipe welds and three (3) RV inlet safe-end to elbow welds.

Weld Nos TCX-1-4300-2 and TCX-1-4400-2 (RV Outlets)

TCX-1-4400-13, TCX-1-4100-13 and TCX-1-4200-13 (RV outlet)

2.

Applicable Code Edition and Addenda

The applicable ASME Boiler and Pressure Vessel Code (hereafter referred to as the "Code") edition and addenda is ASME Section XI, "Rules for Inservice Inspection of Nuclear Power Plant Components," 1998 Edition through 2000 Addenda as modified by 10OCFR50.55a(b)(2)(xiv, xv, and xvi).

3.

Applicable Code Requirement

ASME Section XI, Figure IWC-2500-8(c) 1998 Edition through 2000 Addenda, requires a volumetric examination of a minimum weld volume of the inner 1/3 t (one third of the thickness) extending into the piping base metal for a distance of 1/4" past the edge of the weld crown for NPS 4" and larger. The subject pipe size is 27.5" and Table IWB-2500-1 calls for a surface examination of the weld.

In a letter (NRR 10580) dated October 5, 2006, from the NRC to Comanche Peak Steam Electric Station, Unit No. 1, the NRC approved in a relief request alternative Risk-Informed (RI) - 1SI examinations for selected ASME Code Class 1 and 2 piping welds for the second interval. The methodology in EPRI TR-112657 Revision B-A is used as the examination method as well as for the selection of welds to be examined.

The RI-ISI program requires volumetric examination of the subject welds and extends the Code required volume of the inner 1/3t to 1/2" past the edge of the weld crown if no counterb ore is present or a distance of 1/4" on either side of the weld counterbore, whichever is greater.

The Comanche Peak Nuclear Power Plant (CPNPP) second ten-year interval Inspection Program Plan also implements Code Case N-460, which is endorsed by the NRC in revision 17 of Regulatory Guide 1.147, "Inservice Inspection Code Case Acceptability ASME Section XI, Division 1" Code Case N-460 states, in part, when the entire examination volume or area cannot be examined due to interference by another component or part geometry, a reduction in examination coverage on any Class 1 or Class 2 weld may be accepted, provided the reduction coverage for that weld is less than 10 percent.

to TXX-15116 Page 2 of 4 COMANCHE PEAK NUCLEAR POWER PLANT UNIT 2 Relief Request B-9 for Unit 2 Second 10 Year ISI Interval From 10CFR50.55a Inspection Requirements due to Physical Interferences (Second 10-Year ISI Interval Start Date: August 3, 2004; End Date: August 2, 2014)

NRC Information Notice (IN) 98-42, "Implementation of 10 CFR 50.55a (g) Inservice Inspection Requirements," termed a reduction in coverage of less than 10 percent to be "essentially 100 percent." IN 98-42 states, in part, 'The NRC has adopted and further refined the definition of "essentially 100 percent" to mean "greater than 90 percent"... has been applied to all examinations of welds or other areas required by ASME Section XI."

4.

Impracticality of Compliance:

The automated examination of the subject piping weld was conducted from the inside diameter (ID) of the pipe. The ID configuration, i.e. counter-bore and root configuration, limited the coverage (see Table B-9 below and Attachment 2). The examination was conducted by the contact technique using the WesDyne PARAGON multi-channel data acquisition system, interfaced to a SQUID nozzle scanner. The examination was conducted to the maximum extent practical with the access provided and within the limitation of the component's geometry.

Ultrasonic detection scan for the subject weld was performed from the ID surface using 70 degree L-wave transducers applied in all four scanning directions. This examination interrogated the inner 1/3 thickness volume. An Eddy Current technique was also employed to examine the ID surfaces of this nozzle safe-end to piping weld, in accordance with procedure WDI-STD-146. The examination of the volume was conducted with axial scans at a 0.25" increment and the circumferential scans at a 0.080" incremental distance.

All UT data was digitally recorded from baseline to 100% full screen height and evaluated off-line by PDI qualified Level II or III examiners, having certification attachments issued by PDI, relative to procedure PDI-ISI-254-SE-NB revision 1.

Table B-9 Weld No.

Description UT Coverage TCX-1-4300-2 Outlet Safe-End to Pipe @ 220 84.96%

TCX-1-4400-13 Inlet Safe-End to Elbow @ 1130 85.69%

TCX-1-4400-2 Outlet Safe-End to Pipe @158° 87.37%

TCX-1-4100-13 Inlet Safe-End to Elbow @ 247°'

81.50%

TCX-1-4200-13 Inlet Safe-End to Elbow @ 293° 85.74%

Code Examination Results Automated ultrasonic examinations of the hot leg (outlet) nozzle DM and pipe welds from the nozzle bore yielded no recordable indications.

Automated ultrasonic examinations of the cold leg (inlet) nozzle DM and pipe welds from the nozzle bore yielded no recordable indications.

Supplemental eddy current examinations of the hot leg (outlet) nozzle DM and pipe welds from the nozzle bore yielded no recordable indications.

Supplemental eddy current examinations of the cold leg (inlet) nozzle DM and pipe welds from the nozzle bore yielded no recordable indications.

Attachment I to TXX-15116 Page 3 of 4 COMANCHE PEAK NUCLEAR POWER PLANT UNIT 2 Relief Request B-9 for Unit 2 Second 10 Year ISI Interval From 10CFR50.55a Inspection Requirements due to Physical Interferences (Second 10-Year ISI Interval Start Date: August 3, 2004; End Date: August 2, 2014)

The visual examinations of reactor vessel interior, the reactor vessel interior attachments, and the reactor vessel core support structure revealed no recordable indications.

5.

Burden caused by Compliance:

The design configuration restrictions of the subject components make the Code required examination coverage requirements for the weld volume impractical. Plant modifications or replacement of components designed to allow for complete coverage would be needed to meet the Code requirements. This would cause considerable burden to CPNPP.

6.

Proposed Alternative and Basis for Use:

Proposed Alternative:

The following alternatives are proposed in lieu of the required examination coverage of essentially 100 percent:

1. Ultrasonic testing (UT) of the subject component weld was performed to the maximum extent practical during the second ten-year interval.
2. Supplemental examination by Eddy Current techniques was performed. All areas of limitation were fully examined and no indications were detected.
3. Pressure test VT-2 visual examinations were performed, as required by Code Category B-P, during the second ten-year interval. No evidence of leakage was identified for these components.

Basis for use:

The basis for use of this alternative is it provides the best examination coverage practical within the limitations of the current configuration. The volumetric examination was performed using a system (procedures, personnel, and equipment) qualified in accordance with Appendix VIII, Supplements 2 and 10. Due to the possibility that the surface roughness could adversely affect the examination, the vendor performed a supplemental Eddy Current examination to augment the ultrasonic examination and to provide increased sensitivity at the near surface. The supplemental Eddy Current technique, first used in the VC Summer reactor vessel primary nozzle examinations in 2000, has been furthered developed and has been blind tested for the Swedish authority SQC Kvalificeringscentrum AB (SQC lVDT Qualification Center) and would have detected ID connected flaws that might have been present.

This technique has also been used to supplement examination of portions of the relevant near-surface volumes during the last twenty domestic pressurized water reactor nozzle-to-pipe examinations, conducted by the vendor.

CPNPP believes that the performance of the partial volumetric examination as depicted in Table B-9, combined with the supplemental eddy current examination and visual leakage examination provide a level of safety and quality comparable to the Code required examination. There were no indications identified for this weld. There is a high level of to TXX-15116 Page 4 of 4 COMANCHE PEAK NUCLEAR POWER PLANT UNIT 2 Relief Request B-9 for Unit 2 Second 10 Year 1SI Interval From 10CFR50.55a Inspection Requirements due to Physical Interferences (Second 10-Year 1SI Interval Start Date: August 3, 2004; End Date: August 2, 2014) confidence in the structural integrity of the weld. CPNPP believes that there is no undue risk to the public health and safety presented by this request.

7.

Duration of Proposed Alternative:

The second ten-year IST interval for Unit 2 began on August 3, 2004 and ended on August 2, 2014.

8.

Precedents:

Wolf Creek Nuclear Power Plant, Letter ET 06-001 1, Attachment 4, March 2, 2006 Relief Request B-11 was submitted in letter TXX-10158 from CPNPP to USNRC in December 15, 2010 for the second ten-year interval for Unit 1.

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WELD NO.

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6.3,5 DET-01 j

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70 OW X

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Index Scan Total #

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Date Time Comments Start Start of Signal AdJ.

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CJA 10/17/09 10:27 N-247-PRP-IN 2

TCX-1-4100-13,14

-2.0" 120.72" 178 10 0

CJA 10/17/09 10:27 N-247-PRP-IN 5

TCX-141oo-13,14

-.2.0" 120.72" 178 11 0

CJA 10/17/09 10:27 N-247-PRP-IN 6

TCX-1-4a0O-13,14

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TCX-1-4100-13,14 127.95"

.2.0° 74 10 0

CJA 10/17/09 10:50 N-247-PAR-IN 5

TCX-1-41O0-A3,14 127.95"

-2.0° 74 12 0

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TCX-1-41OO*13,14 127.95"

-2.0" 74 12 0

CJA 10/17/09 10:50 N-247-PAR-IN 7

TCX-1-40oa-1s,14 127.95"

-2.0" 74 7

0 CJA 10/17/09 10:50 N-247-PAR-IN 8

TCX-1-4100-13,14 127.95"

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0 CJA 10/17/09 10:50 Form 12.4 PDI-lSI-254-SE-NB, Rev. 1 to TXX-151 16 N-247-PRP-INScanSumlnaryl0-17-2009_10-27-52 WesDyne International Reactor Vessel Inservice Examination Scan Parameter Execution 6 of 45 SITE........

Comanche Peak #2 CONTROL SYSTEM..,.............SQUID Site weld ID

=

NOZ 247 SE Weld and scan Type

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Noz 247 SE PERPENDICULAR SCAN Scan Data File Name

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135.870 182.080 START CCW
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(degree)

TOP LEFT

120.720

-2.000 TOP RIGHT 135.870

-2.000 BO1-TOM LEFT 120.720 182.080 B0O-TOM RIGHT 135.870 182.080 Increment Size (deg)

Number of Indexes specified Number of Indexes completed

= 1.040

=178

=

178 Date 10/17/2009 1.0/17/2009 scan started scan Completed Ti me I0:07*15 10:27:52 OPERATOR OPERATOR COMMENTS-fJ/4 DATE DATE 10/17/2009 10:27:52 10/17/2009 10:27:52 Page i.

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=

74

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74 Date 10/17/ 2009 10/17/2009 Scan Started Scan Completed Ti me 10:29: 54 10:50:00 OPERATOR OPERATOR COMMENTS-A~cA~%~

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TCX-1 -4100-14 Inlet Nozzle to Safe-End @~ 2470 BEAM ANGLES BEAM 700 L Dual

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COMANCHE PEAK UNIT 2 RPV COVERAGE ESTIMATE BREAKDOWNS DIRECTION I ORIENTATION PARALLEL SCANS PERP. SCANS CCW/CWU IN/OUT WELD DESCRIPTION WELD NO.

TCX-1 -41 00-13 Inlet Nozzle Safe-End to Elbow @ 2470 BEAM ANGLES BEAM 700 L Dual

  • ET DIRECTION EXAM VOLUME EXAM SURFACE ccw 63.0*

100 cw 63.0*

100 IN 100 N/A OUT 100NA UT COVERAGE =

81.5%/

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to TXX-1 5116 INLET NOZZLE @ 2930 10 of 45 to TXX(-1 5116 WesDyne International Reactor Vessel Weld Results Summary COMANCHE PEAK UNIT 2 11 of 45 WELD NO.

TCX-1-4200-1 4 TCX-1-4200-13 DESCRIPTION Inlet Nozzle to Safe-End @ 293w Inlet Safe-End to Elbow @ 2930 COVERAGE 100%

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=

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TCX-1-4200-13,14

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TCX.1-4200-13,14

-2.0" 120.72" 178 18 0

CJA 10/117/09 12:15 N-293-PRP-IN 6

TCX.1-4200-13,14

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CJA 10/17/09 12:15 N-293-PAR-IN 1

TCX.1-42oo-1a,14 127.95" 120.7" 174 14 0

CJA 10/17/09 12:37 N-293-PAR-IN 2

TCX-1-42OO-13,14 127.95"

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CJA 10/17109 12:37 N-293-~PAR-IN 3

TCX-14200-13,14 127.95"

-2.0" 74 12 0

CJA 10/17/09 12:37 N-293-PAR-IN 4

TCX-1-4200-13,14 127.95"

.2.0° 74 12 0

CJA 10/17/09 12:37 N-293.PAR-IN 5

TCX-l-420o-13,14 127.95"

_2.0" 74 72 0

CJA 10/17/09 12:37 N-293-PAR-IN 6

TCX-1-4200-13,14 127.95"

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TCX.-1420o-13,14 127.95"

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ID Applicable Sensitivity Calibration Data Sheet No:

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SE-PARAGON Anal. Release:

6.3.5 SDET-01l 293-1J UT Examiner Signature:

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70 CCW X

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'N-293-PRP-IN 1

AXIAL X

SAS 110-17-09 N-293-PRP-IN 2

AXIAL X

SAS 1 10-17-09 N-293-PRP-IN 3

AXIAL X

SAS 1 10-17-09 N-293-PRP-IN 4

AXIAL X

SAS I1 t0-17-09 N-293-PAR-IN 1

CIRC X

SAS 110-17-09 N-293-PAR-IN 2

CIRO X

SAS 1 10-17-09 N-293-PAR-IN 3

CIRC X

SAS 11t0-17-09 N-293-PAR-IN 4

CIRO X

SAS I110-17-09 C>

P C),

O0)

O

"-h C,,

Form 12-5 to TXX-151 16 N-293-PRP-INScanSummarylO-!7-2009_.12-15-29 Wesoyne International Reactor Vessel Inservice Examination scan Parameter Execution 15 of 45 SITE.........................

comanche Peak #2 CONTROL SYSTEM..............

SQUID Site weld ID

=

NOZ 293 SE weld and scan Tye

=

N0Z 293 SE PERPENDICULAR SCAN Scan Data FieName

=

N-293-PRP-IN SCAN AREA DEFINITIONS SCAN INDEX

'(inch)

(degree)

START CW 120.720

-2.000 END CW 135.870 182.080 START CCW 135.870 182.080 END C CW 120.720

-2.000 SCAN AREA COVERED SCAN INDEX (inch)

(degree)

TOP LEFT 120.7.20

~-2.000 TOP RIGHT 135.870

-2.000 BO1-TOM LEFT

120.720 182.080 BOTTOM RIGHT 135.870 182.080 Increment Size (deg)

Number of Indexes specified Number of Indexes Completed

= 1.040

=

178

=

178 Date 10/17/2009 10/17/2009 Scan Started Scan completed Ti me 11: 54: 52 12:15:29 OPERATOR OPERATOR COMMENTS-

,OJ/

I DATE DATE 10/17/2009 12:15:29 10/17/2009 12:15:29 Page 1 to TXX(-151 16 N-293-PAR-INScanSummarylO-17-2009At2-37-6 Wes Dyne Internatioanal Reactor Vessel Inservice Examination Scan Parameter ExecUtion 16 of 45 SITE........................

Coma~nche Peak #2 CONTROL SYSTEM..............

SQUID Site weld ID

=

NOZ-293--SE Weld and scan Type

=

NOZ-293-SE PARALLEL SCAN scan Data File Name

=N-293-PAR-IN SCAN.AREA DEFINITIONS SCAN INDEX (degree)

(i nch)

START CW

-2.000 127.950 END ci v 182.000 133.790 START CCW 182.000 133.790 END CCW

-2.000 127.'950 SCAN AREA COVERED SCAN INDEX (degree)

(inch)

TOP LEFT

-2.000 127.950 TOP RIGHT 182.000 127.950 BoTT-OM LEFT

-2.000 133.790 BOTTOM RIGHT 182.000 133.790 Increment Size (in)

Number of Indexes Spec~ified Number of Indexes Completed

= 0.080

=

74

=74 Date 10/17/2009 10/17/2009 Scan started Scan Completed Ti me 12:17:00 12:37:06 OPERATOR OPERATOR COMMENTS-AJ/~

DATE DATE 10/17/2009 12:37:06 10/17/2009 12:37:06 Page 1

COMANCHE PEAK UNIT 2 RPV COVERAGE ESTIMATE BREAKDOWNS DIRECTION / ORIENTATION PARALLEL SCANS PERP. SCANS ICW/CWU IN (OUT WELD DESCRIPTION WELD NO.

TCX-1 -4200-14 Inlet Nozzle to Safe-End @ 2930 BEAM ANGLES BEAM 700 L Dual

  • ET DIRECTION______

EXAM VOLUME EXAM SURFACE ccw 100 100 cw 100 100 IN 100 N /A OUT 100N/

UT COVERAGE = 100%

Combined Coverage (UT & ET') = i00°%

C)

CD

-H 0) 01 ANALYST

9 COMANCHE PEAK UNIT 2 RPV COVERAGE ESTIMATE BREAKDOWNS DIRECTION/IORIENTATION PARALLEL SCANS PERP. SCANS CCW /CW IN /OUT TCX-1 -4200-13 WELD DESCRI PTION WELD NO.

Inlet Nozzle Safe-End to Elbow @ 2930 BEAM ANGLES BEAM 700 L Dual

  • ET

.DIRECTION EXAM VOLUME EXAM SURFACE ccw 71.48*

100 cw 71.48*

100 IN 100 N /A OUT 100NA UT COVERAGE = 85.74%

Procedure limited in the detection of axial flaws per the PDQS document.

Combined Coverage (UT & ET) = i00%

Areas of limitation inspected by Eddy Current technique.

__________________________*ID Configuration of Safe-End to Elbow weld C)

CD CI, 0o Oh 0,1 ANALYST to TXX-151 16 1

f4 19 of 45 OUTLET NOZZLE @ 22° It to TXX-15116 20 o-f 4 WesDyne International

~Reactor Vessel Weld Results Summary COMANCHE PEAK UNIT 2 WELD NO.

TCX-1-4300-1 Tcx-1-4300-2 DESCRIPTION Outlet Nozzle to Safe-End @ 220 Outlet Safe-End to Pipe @ 22° COVERAGE 100%

  • 84,96%

LIMITATIONS NO]

YESW

  • flD Configu ration of Safe-End to Pipe Weld UT RESULTS RJ NO. OF UT INDICATIONS 0

STATUS N/A NO. OF ET INDICATIONS 0

O ET RESULTS STATUS N/A EXAM DOCUMENTATION INDICATION DOCUMENTATION w

ANALYSIS LOG ACQUISITION LOG SCAN PRINTOUT LIASSESSMENT SHEET D* PARAGON HARD COPY

[Zq OTHER ( specify )

.COVERAGE BREAKDOWN WEDNlNLS

~w?6ynE 0

Page 1of 1

ANALYSIS LOG #

SE-022-1 I ikNo:

I Utility:

Luminant Plant:

Comanche Peak Unit: 12 Outage:

2RFIl I Procedure No:

PDI-ISI-254-SE-N B Procedure Rev. No.:

1 Weald No:

TCX-1-4300-1,2 Weld Type:

DM/SEIPIPE Exam. Surface:

ID Ap~plicable Sensitivity Calibration Data Sheet No:

PDI-SE-AX/C!RC-Acquisition Log No:

SE-PARAGON Anal. Release:

6.3.5 DET-01l 202-1 UT Examiner Signature:

_*J

  • )*

l Lve ]at Dte 10-17-2009 Data File Name UT Beam AnglelI NI RI Ri Examiner ID I Channel Beam Resolution I Comments I Limitations Date No.

Direction [fnor out, CW or CCW.]

N-22"PRP-ON 1

70 IN X

__________________JDF

/ 10-17-0'9 N-22-PRP-ON 2

70 OUT X

JDF/1 10-17-09 N-22-PRP-ON 5

70 IN X

___________________JDF

/ 10-17-09 N-22-PRP-ON 6

70 OUT X

___________________JDF

/ 10-17-09 N-22-PAR-ON 2

70 CW X

JDF / 10-17-09 N-22-PAR-ON 3

70CCW X

See note below JOF/ 10-17-09 N-22-PAR-ON 4

70 CW X

___________________JDF

( 10-17-09 N-22-PAR-ON 5

70CCW X

___________________JDF

/ 10-17-09 N-22-PAR-ON 6

70 CW X

JDF /10-17-09 N-22-PAR-ON 7

700CW X

___________________JDF

/ 10-17-09 N P A R -O N 8

7 0 C W X

J OF 1 10 0 9 Ch.1 PAR scan had contact problems, EPP increased scan length to cover area with Ch. 3.

CD 0

IH C,,

--h 0,

Form 12.5 PDI-ISI-254-SE-NB, Rev. 1

SWESDynlE ET Analysis Log: SE-022-1 Utility:

LUMINANT Plant: COMANCHE PEAK Unit: 2 Outage: 2RFll Procedure No: WDI-STD-146 Procedure Rev. No.: 9 Weld No. TCX-1-4300.1,2 Weld Type: DM I SE I PIPE Applicable Sensitivity Calibration Data Sheet No: ET-1 Acquisition Log No: SE-022-1 Data ET ET Prob~e Scan NI RI RI Examiner iD I Date File Name Probe Direction Resolution I Comments I Limitations No.

[*tIirvci*]

N-22-PRP-)N I

AXIAL X

JDF 110-17-09 N-22-PRP-)N 2

AXIAL X

JDF / 10-1t7.09 N-22-PRP-ON 3

AXIAL X

JDF 110-17-09 N-22-PRP-ON 4

AXIAL X

JDF I110-17-09 N-22-PAR-ON 1

CIRO X

JDFI 110-17-09 N-224PAR-ON 2

CIRC X

JDF 110-17409 N-22-PAR-ON 3

ClRC X

JDF 110-174)9 N-22-PAR-ON 4

ClRC X

JDF 110-17-09 h)

CD I) 0*

h)

--h Form 12-5

W~~fe DATA ACQUISITION LOG # SE-022-1 Utility:

LUMINANT tPlant: ]Comanche Peak Unit:

2 Outage:

2RFll Procedure No:

PDI-ISI-254-SE-NB Procedure Rev. No.:

Applicable Sensitivity Calibration Data Sheet No:

PDI-SE-AX-DET-01 I PDI-SE-CIRC-DET-01 UT Exaie Signature:

Level:

I Dae: 1011,17 Data File Name Weld N.

Index Scan Total #

'AVE' Gain i-.

Date Time Comments Start Start of Signal Ad].

  • .m -=

Sweeps Amplitude (dB)

(mm/ddy)

N-22-PRP-ON 1

TCX-1-4300-1,2

-2.0o 110.09" 187 8

0 CWF 10/16/09 23:52 N-22-PRP-ON 2

TCX-1-4300-1,2

-2.Oo 1 10.09" 187 7

0 CWF 10/116/09 23:52 N-22-PRP-ON 5

rcx-1-430O-1,2

-2.0° 110.09" 187 10 0

CWF 10/16/09 23:52 N-22-PRP-ON 6

TCX-1-4300-1,2

-2.0" 110.09" 187 8

0 CWF 10/16/09 23:52 N-22-PAR-ON 2

TCX-I-.43OO-l,2 120.34"

-2.0° 69 16 0

CWF 10/17/09 00:27 N-22-PAR-ON 3

TCX-1-4300-1.2 120.34"

-2.0° 89 18 0

CWF 10/17/09 00:27 N-22-PAR-ON 4

TCX-1.4300-1,2 120.34"

-2.0° 89 14 0

CWF 10/117/09 00:27 N-22-PAR-ON 5

TCX-1-430O-1,2 120.34"

-2.0" 89 12 0

CWF 10/17/09 00:27 N-22-PAR-ON 6

Tcxi-l.4300.1,2 120.34"

-2.0° 89 14 0

CWF 10/17/09 00:27 N-22-PAR-ON 7

TCX-1.4300-1,2 120.34"

-2.0° 89 8

0 C*WF 10/17/09 00:27 N-22-PAR-ON 8

TCX-1-'300-1,2 120.34"

-2.0° 89 7

0 CWF 10/17/09 00:27 C,

C,-D.

o'1 a,

03

-h C.,.

Form 12.4 PDI-ISI-254-SE-NB, Rev. 1 to TXX-151 16 N-22-PRP-ONScanSumma ry10-16-2009_23--52 -8 WesDyne International Reactor vessel Inservice Examination Scan Parameter Execution 24 of 45 SITE........................

Comanche Peak #2 CONTROL SYSTEM..............

SQUID Site weld lD Weld and scan Type Scan Data File Name

=

SE NOZ 22

=SE NOZ 22 PERPENDICULAR SCAN

=

N-22-PRP-ON SCAN AREA DEFINITIONS SCAN INDEX (inch)

(degree)

START CW

110.090

-2.000 END CW 126.280 182.140 START CCW 126.280 182.140 END CCWV 110.090

-2.000 SCAN AREA COVERED SCAN INDEX (inch)

(degree)

TOP LEFT

110.090

-2.000 TOP RIGHT 126.280

-2.000 BOTTOM LEFT

110.090 182.140 BOTTOM RIGHT
126.280 182.140 Increment Size (deg)

Number of Indexes specified Number of indexes Completed

= 0,990

=

187

=

187 Date 10/16/2009 10/16/2009 Scan started scan Completed Ti me 23:29:25 23:52:08 OPERATOR OPERATOR COMMENTS-(1~

T~7iLk/~uVJ DATE DATE 10/16/2009 23:52:08 10/16/2009 23: 52:08 0

Page 1 to TXX-1 5116 SN-22-PAR-ONScanSummlarylO-17-2009_O.. 50 WesDyne Internati onal Reactor Vessel Inservice Examination scan Parameter Execution 25 o-f-SITE........................

Comanche Peak #2 CONTROL SYSTEM............... SQUID site weld ID

=

SE NOZ 22 Weld and scan Type

=

SE NOZ 22 PARALLEL SCAN 5can Data File Name

=

N-22-PAR-ON SCAN AREA DEFINITIONS SCAN INDEX (deg ree)

(inch)

START C IV

-2.000 120. 340 END CW
182.000 127.380 START CCW 182.000 127.380 END CCI

-2.000 120.340 SCAN AREA COVERED SCAN INDEX (degree)

(inch)

TOP LEFT

-2.000 120.340 TOP RIGHT 182.000 120.340 BOTTOM LEFT

-2.000

.127.380 BOTTFOM RIGHT 182.000 127.380 Increment Size (in)

Number of Indexes Specified Number of Indexes Completed

=

0.080

=

89

=

89 Date 10/17/2009 10/17/2009 Scan started scan completed OPERATOR OPERATOR COMMENTS Ti me 00:02:30 00:27:50 DATE DATE 10/17/2009 00;27:50O 10/17/2009 00:27:50 Page 1 i

mmlmmwm m.,

COMANCHE PEAK UNIT 2 RPV COVERAGE ESTIMATE BREAKDOWNS DIRECTION / ORIENTATION PARALLEL SCANS PERP.,SCANS CCWI/CW IN/OUT WELD DESCRI PTION WELD NO.

TCX-l1-4300-1 Outlet Nozzle to Safe-End @ 220 BEAM ANGLES BEAM 700 L Dual

  • ET DIRECTION___________

EXAM VOLUME EXAM SURFACE ccw 100 100 cw 100 100 IN 100 N /A OUT 100NA UT COVERAGE = 100%

Combined Coverage (UT & ET) = 100°%

IC,,

0O 0) 0 0,

  • ANAItYST

COMANCHE PEAK UNIT 2 RPV COVERAGE ESTIMATE BREAKDOWNS DIRECTION / ORIENTATION PARALLEL SCANS PERP. SCANS CCW /CW IN /OUT WELD DESCRI PTION WELD NO.

TCX-1 -4300-2 Outlet Nozzle Safe-End to Pipe @§ 22° BEAM ANGLES BEAM 700 L Dual

  • ET DIRECTION__

EXAM VOLUME EXAM SURFACE CCW 69.92*

100 CW 69.92*

100 IN 100 N /A OUT 100N/

UT C:;OVERAGE = 84.96%

Procedure limited in the detection of; axial flaws per the PDQS document.

Combined Coverage (UT & ET) = i00°%

Areas of limitation inspected by Eddy Current technique.

____________________________*1D Configuration of Safe-End to Pipe weld C)

CD O,

01 ANALYST

i116 28 of4,5...... to TXX-15 OUTLET NOZZLE @ 1580 to TXX-151;16 WesDyne International Reactor Vessel Weld Results Suimnary 2 9of45.......

WELD NO.

TCX-1-4400-1 TCX-1-4400-2 COMANCHIE PEAK UNIT 2 DESCRIPTION Outlet Nozzle to Safe-End @ 1580 Outlet Safe-End to Pipe @ 1580 COVERAGE 100%

  • 87.37%

LIMITATIONS NO]

YESW

  • ID) Configuration of Safe-End to Pipe Weld UT RESULTS NI NI NO. OF UT INDICATIONS 0

STATUS N/A ET RESULTS NO. OF ET INDICATIONS 0

STATUS N/A EXAM DOCUMENTATION INDICATION DOCUMENTATION w

ANALYSIS LOG ACQUISITION LOG SCAN PRINTOUT LII LI LI ASSESSMENT SHEET PARAGON HARD COPY OTHER (specify)

EiJ COVERAGE BREAKDOWN WESDYNE ANALYST

wI WsDynlE Page 1

of I

ANALYSIS LOG #

SE-I158-1

÷0

[ DskNo:

fl Utility:

Luminant Plant:

Comanche Peak Unit: 12 Outage:

2RFIl I Procedure No:

PDI-ISI-254-SE-NB Procedure Rev. No.:

I Weld No:

TCX-1 -4400-1,.2 Weld Type:

DM/sE/PIPE

'Exam, Surface:

ID Applicable Sensitivity Calibration Data Sheet No:

PDI-SE-AXICIRC-Acquisition Log No:

SE-PARAGON Anal. Release:

6.3.5 DEr-0115-UT Examiner Signature: I u*

Leehj7I/lillDate:j 10-16-2009 Data File Name UT Beam Angle I NI RI RI Examiner ID I Channel Beam Resolution I Comments I Limitations Date No.

Direction [i=

out, CW or CC W]

N-158-PRP-ON 1

70 IN X

JDF/SAS I1016-as0 N-158-PRP-ON 2

70 OUT X

JDFISAS 110-16-09 N-I158-PRP-ON 5

70 IN X

JDF/SAS / 10-16-09 N-1 58-PRP-ON 6

70 OUT X

JDF/SAS / 10-16-02 N-I158-PAR-ON 2

70 CW X

JOFISASI 110-16-09 N-I158-PAR-ON 3

700CW X

See note below JDF/SASI110-16-09 N-I158-PAR-ON 4

70 CW.

X JDFISAS /10-16-09 N-I158-PAR-ON 5

700CW X

JDF/SAS 110-16-09 N-I158-PAR-ON 6

70 OW X

JDFISAS 110-16-09 N-I158-PAR-ON 7

70CCW X

JDF/SAS /10-16-09 N-I158-PAR-ON 8

70 CW X

JDF/SAS /.10-16-02 Ch.1 PAR scan had contact problems, EPP increased scan length to cover area with Ch. 3.

C, CD 0

-H a)'

03 03, 0:

- i.

Form 12.5 PDI-ISI-254-SE-NB, Rev. 1

0

~WESDyn1E IN*tflRAf$

ONAIL ET Analysis Log: SE-I158-I Utility:

LUMINANT Plant.: COMANCHE PEAK Unit: 2 Outage: 2RFll Procedure No: WDI-STD-146 Procedure Rev. No.: 9 weldf No. TCX-1..4400-I, 2 Weld Type: DM/I SE I ELBO(W Applicable Sensitivity Calibration Data Sheet No: ET-t Acquisition Log No: SE-I15B-I T

Examner Sigature:

Date: 10-17-009 Data ET ET Probe Scan NI RI RI Examiner ID I Date File Name Probe Direction Resolution I Comments I Limitations No.

[*aIIcfro.]

N-158-PRP-ON 1

AXIAL X

JDF 110-17-09 N-1 58-PRP-ON 2

AXIAL X

JDOF 110-17-09 N-158-PRP-ON 3

AXIAL X

JDF 1 10-17-09 N-158-PRP-ON 4

AXIAL X

JDF I1t0-17-09 N-158-PAR-ON I

CIRC X

JDF 1 10-17-09 N-158-PAR-ON 2

CIRC X

JDF /10-1 7-09 N-t58-PAR-ON 3

CIRC X

JOF I1 t0-17-09 N-1 58-PAR-ON 4

CIRC X

JDFI1 10-17-09 CD I) 0,,

Form 12-5

WIDYnE DATA ACQUISITION LOG # SE-I158-1 Utiility:

LUMINANT Plant:

Comanche Peak Iunit:

2 Outage:

2RFll Procedure No:

PDI-ISI-254-SE-NB Procedure Rev. No.:

Applicable Sensitivity Calibration Data Sheet No:

PDI-SE-AX-DET-01 I PDI-SE-CIRC-DET-01 Data File Name Weld No.

Index Scan Total #

'AVE' Gain Date Time Comments:.

Start Start of Signal Adj.

Sweeps Amplitude (dB) i.,

(md/),"";.

OE --

ml'ly" N-158-PRP-ON 1

TCX-1-44O0-1,2

-2.0° 110.09" 187 10 0

CJA 10116109 18:04 N-158-PRP-ON 2

TCX.1-4400-1,2

-2.0° 110.09" 187 7

0 CJA 10116/09 18:04 N-158-PRP-ON 5

TCX-1-4400-I,2

-2.0" 110.09" 187 10 0

CJA 10/16/09 18:04 N-158-PRP-ON 6

TCX-1-4400-1,2

-2.0" 110.09" 187 9

0 CJA 10/16/09 18:04 N-158-PAR-ON 2

TCX-1-44o0-1,2 120.34"

-2.0" 89 10 0

CJA 10/16/09 19:00 N-158-PAR-ON 3

TCX-1-,400-1,2 120.34"

-2.0" 89 8

0 OJA 10/16/09 19:00 N-158-PAR-ON 4

TCX-1-4400-1,2 120.34"

-2.0" 89 7

0 CJA 10(16/09 19:00 N-158-PAR-ON 5

TCX-1-440O;1,2 120.34"

-2.0" 89 14 0

OJA 10/16/09 19:00 N-158-PAR-ON 6

TCX-i-4400-1,2 120.34"

-2.0" 89 10 0

CJA 10/16/09 19:00 N-158-PAR-ON 7

TCX-1-4400-1,2 120.34"

-2.0" 89 8

0 CJA 10/16/09 19:00 N-158-PAR-ON 8

TCX-1-4400-1,2 120.34"

-2.0" 89 9

0 CJA 10/16/09 19:00 CD N,

-H 0,

0Ol 0:

Form 12.4 PDI-ISI-254-SE-NB, Rev. 1 to TXX-15116......-33 of 45 N-158-PRP-ONScanSumrnary10-16.-2009_18 30 Wesoyne International Reactor Vessel Inservice Examination Scan Parameter Execution SITE........................

comanche Peak #2 CONTROL SYSTEM..............

SQUID site Weld ID

=

SE NOZ 158 weld and Scan Type

=

SE NOZ 158 PERPENDICULAR SCAN Scan Data File Name

=N-158--PRP-ON SCAN AREA DEFINITIONS SCAN INDEX (inch)

(degree)

START CW

110.090

-2.000 END CW 126.280 182.140 START CCW

126.280 182.140 END CCW 110.090

-2.000 SCAN AREA COVERED SCAN INDEX (inch)

(degree)

TOP LEFT 110.090

-2.000 TOP RIGHT

126.280

-2.000 BOTTOM LEFT

110.090 182.140 BOT-TOM RIGHT 126.280 182.140 Increment size (deg)

Number of Indexes Specified Number of Indexes Completed

=

0.990

=

187

=

187 Date10/16/2009 10/16/2009 Scan started scan completed OPERATOR OPERATOR COMMENTS Ti me 17 :40: 47 18:03:30 A) LA DATE DATE 10/16/2009 18:03:30 10/16/2009 18:03:30 I."

Page 1 I

  • I IIii to TX)(-15116 --

N-158-PAR-ONScanSummaryl0-16-2009_18-55-0 WesDyne International Reactor Vessel Inservice Examination Scan Parameter Execution 34 of 45 SITE.........................

Comanche Peak #2 CONTROL SYSTEM............... SQUID site weld ID

=

SE NOZ 158 weld and scan Type

=

SE NOZ 158 PARALLEL SCAN Scan Data File Name

=

N-158-PAR-ON SCAN AREA DEFINITIONS SCAN INDEX (degree)

(inch)

START C-W

-2.000 120.340 END CW 182.000 127.300 START CCW

182.000 127.300 END CCW

-2.000 120.340 SCAN AREA COVERED SCAN INDEX (degree)

(inch)

TOP LEFT

-2.000 120.340 TOP RIGHT 182.000 120.340 BOTTrOM LEFT

-2.000 127.300 BO1-TOM RIGHT

182.000 127.300 Increment Size (-in)

Number of Indexes specified Number of Indexes completed

=

0.080

=

88

=

88 Date 10/16/2009 10/16/2009 Scan started Scan Completed Tiime 18:29:57 18:55 :00 OPERATOR OPERATOR COMMENTS c-7Kpz~-&

i~frI DATE DATE 10/16/2009 18:55:00 10/16/2009 18:55:00 Page 1 m

0 COMANCHE PEAK UNIT 2 RPV COVERAGE ESTIMATE BREAKDOWNS DIRECT!ON I ORIENTATION PARALLEL SCANS PERP. SCANS ccW /CW IN /OUT WELD DESCRIPTION WELD NO.

TCX-1 -4400-1 Outlet Nozzle to Safe-End @ 1580 BEAM ANGLES BEAM 700 L Dual

  • ET DIRECTION EXAM VOLUME EXAM SURFACE CCW 100 10 ccw 100 100 IN 100 N/ A OUT 100N/

UT COVERAGE = 100%

Combined Coverage (UT & ET) = 10ioo%

C) 0:

C-',

ANALY,,sT

COMANCHE PEAK UNIT 2 RPV COVERAGE ESTIMATE BREAKDOWNS DIRECTION I ORIENTATION PARALLEL SCANS PERP. SCANS CCW /CW IN /OUT WELD DESCRIPTION WELD NO.

TCX-1 -4400-2 Outlet Nozzle Safe-End to Pipe @ 1580 BEAM ANGLES BEAM 700 L Dual

  • ET DIRECTION EXAM VOLUME EXAM SURFACE ccw 74.73*

100 cw 74.73*

100 IN 100 N /A OUT 100NA UT COVERAGE = 87.37%

Procedure limited in the detection of axial flaws per the PDQS document.

Combined Coverage (UT & ET) = 100o%

Areas of limitation inspected by Eddy Current technique.

_________________________*ID Configuration of Safe-End to Pipe weld r\\3 0

-H 0,

a)

C) 03

-O

"-m" ANALYST!

to TXX-1 5116 37 of'45.........

INLET NOZZLE @ 1130 0

I m I I to TX(X-1 5116 38 of ;45 WesDyne International

~Reactor Vessel Weld Results Summary COMANCHE PEAK UNIT 2 WELD NO.

TCX-1 -4400-14 TCX-1-4400-13 DESCRIPTION Inlet Nozzle to Safe-End @ 1130 Inlet Safe-End to Elbow @ 113° COVERAGE 100%

  • 85.69%

LIMITATIONS No]

YESES

  • IW Configuration of Safe-End to Elbow Weld UT RESULTS NO. OF UT INDICATIONS 0

STATUS N/A

.ET RESULTS NO. OF ET INDICATIONS 0

STATUS N/A EXAM DOCUMENTATION INDICATION DOCUMENTATION SANALYSIS LOG

[* ACQUISITION LOG WSCAN PRINTOUT D-ASSESSMENT SHEET

[Z PARAGON HARD COPY

[ZOTHER ( specify )

SCOVERAGE BREAKDOWN S

WESDYNE ANALYST 1

II

@Wp~l Page 1 of 1

ANALYSIS LOG #

SE-I t13-I F DskNO:TI

_Utility:

Luminant Plant:.

Comanche Peak Unit: 12 Outage:

2RFll1

.Procedure No:

PDI-ISI-254-SE-NB Procedure Rev. No.:

1

.Weld No:

TCX-1-4400-13,14 JWeld Type:

DMISF.IELBOW Exam. Surface:

ID Ap~plicable Sensitivity Calibration Data Shleet No:

PDI-SE-AX/CIRC-Acquisition Log No:

SE-PARAGON Anal. Release:

6.3.5 DET-01l 113-1 UT lExaminer Signature:

Dt:

1-720 Data File Name UT Beam Angie I Ni RI RI Examiner ID I Channel Beam Resolution ! Comments I Limitations Date No.

Direction *nor oul, CW or CCW]

N-113-PRP-IN 1

70 IN X

SAS/110-17-09 N-113-PRP-IN 2

70 OUT X

SAS ( 10-17-09 N-113-PRP-IN 5

70 IN X

SAS ( 10-17-09 N-113-PRP-IN 6

70 OUT X

SAS/110-17-09 N-113-PAR-IN 1

70 COW X

SAS/110-17-09 N-113-PAR-IN 2

70 OW X

SAS /10-17-09 N-113-PAR-IN 3

70 CoW x

SAS / 10-17-09 N-113-PAR-IN 4

70 CW X

SAS/(10-17-09 N-I 13-PAR-IN 5

70 COW X

SAS I 10-17-09 N-113-PAR-IN 6

70 OW X

SAS ( 10-17-09 N-113-PAR-IN 7

7000CW X

SASI/ 10-17-09 N-113-PAR-IN 8

700CW X

SAS 1/10-17-09 C)d, 2

CD

-H 0',

01 Form 12.5 PDI-ISI-254-SE-NB, Rev. 1

,y n ET Analysis Log: SE-113-1 Utility:

LUMINANT Plant: COMANCHE PEAK Unit: 2 Outage: 2RFll Procedure No: WDI-STD-146 Procedure Rev. No.: 9 Weld No. TCX-1-4400-13, 14 Weld Type: DM1I SE I ELBOW Applicable Sensitivity Calibration Data Sheet No: ET-1 Acquisition Log No: SE.113-1 ET Examiner Signature:

Date: 10-17-2009 Data ET ET Probe Scan NI/*

RIRIEaieIDIDt File Name Probe Direction Resolution I Comments I Limitations No.

[Axdll~circ.I N-113-PRP-IN t

AXIAL X

SS/1-70 N-113-PRP-IN 2

AXIAL XSA11-79 N-113-PRP-IN 3

AXIAL X

SAS 110-17-09 N-1 13-P RP-IN 4

AXIAL X

SAS 1 10-17-09 N-113-PAR-IN t

CIRC X

SAS I1010-7-09 N-I13-PAR-IN 2

CIRC X

SAS 110-17-09 N-113-PAR-IN 3

CIRC X

SAS 110-17-09 N-I 13-PAR-I N 4

CIRC X

SAS I110-1 7-09 C,

CD N) 0)

0 0

C,,

Form 12-5

~Wpfe DATA ACQUISITION LOG # SE-113-1 Utility:

LUMINANT Plant:

Comanche Peak IUnit:

2 Outage:

2RFII Pro)cedure No:

PDI-ISI-254-SE-NB Procedure Rev. No.:

I1 Ap'plicable SensitivitY Calibration Data Sheet No:

PDI-SE-AX-DET-01 I PDI-SE-CIRC-DET-01 UTI Examiner Signature:

Level:

II Date:

10.17-09 Data File Name Weld No.

Index Scan Total #

1AVE' Gain Date Time Comments Start Start of Signal Adj.

Sweeps Amplitude (dB) o.t (mmldddlyy) 0-N-113-PRP-IN 1

TCX-1-44oo-13,14

-2.00 120.72" 178 17 0

CJA 10/17/09 08:03 N-113-PRP-IN 2

TCX-1-440o-13,14

-.2.0° 120.72"1 178 13 0

CJA 10/17/09 08:03 N-113-PRP-IN 5

TCX-14400.13,14

-2.0" 120.72"1 178 12 0

CJA 10/17/09 08:03 N-113-PRP-IN 6

TCX.1-4400-13,14

-2.00 120.72" 178 15 0

CJA 10/17/09 08:03 NI-i13-PAR-IN 1

TCX-1-4o0013,14 127.95"

-2.00 67 9

0 CJA 10117109 08:25 N-113'PAR-lN 2

TCX-1-44OO-13,14 127.95"

-2.00 67 9

0 CJA 10(17109 08:25 N-113-PAR-iN 3

TCX-i-44o013,14 127.95"1

,.2.0 67 9

0 CJA 10117/09 08:25 N-113-PAR-IN 4

TCX--I*oO-13,14 127.95"

.2.00 67 10 0

CJA 10/17/09 08:25 N-113-PAR-IN 5

TCX.1-44O0-13,14 127.95"1

..2.0 67 8

0 CJA 10/17/09 08:25 N-113-PAR-IN 6

TCX-1-44C0-1*,14 127.95"

.2.00 67 10 0

OJA 10(17/09 08:25 N-113-PAR-IN 7

TCX-1-4400-13,14 127.95"

.2.00 67 13 0

CJA 10/17/09 08:25 N-113-PAR-IN 8

Tcx-1-44o013,14 127.95"

-2.0" 67 12 0

CJA 10/17/09 08:25 CD N) 01 0,

c4v Form 12.4 PDI-ISI-254-SE-NB, Rev. 1 to TXX-151 16

-42~6f45........

SN-113-PRP-INScanSummarylO-17-2009_..8 15 WesDyne International Reactor Vessel Inservice Examination Scan Parameter Execution SITE........................

Comanche Peak #2 CONTROL SYSTEM..............

SQUID Site weld ID

=

NOZ 113 SE Weld and scan Tye

=

NOZ 113 SE PERPENDICULAR SCAN scan Data FieName

=

N-113-PRP-IN SCAN AREA DEFINITIONS SCAN INDEX (i nch)

(degree)

START CW

120.720

-2.000 END CW

135.370 182.080 START CCW 135.370 182.080 END CCW 120.720

-2,000 SCAN AREA COVERED SCAN INDEX (i nch)

(degree)

TOP LEFT 120.720

-2.000 S

TOP RIGHT

135,370

-2.000 BOTTOM LEFT 120.720 182.080 BOTTOM RIGHT 135.370 182.080 Increment size (deg)

Number of Indexes specified Number of Indexes Completed

=

1.040

=

178

=

178 Date 10/17/2009 10/17/2009 Scan Started Scan Completed Ti me 07:43:07 08:03:15 OPERATOR OPERATOR COMMENTS DATE DATE 10/17/2009 08:03:15 10/17/2009 08:03:15 l Page 1

to TXX-15116 r3-6f-45.....

O N-113-PAR-INScanSummlaryl0-17-2009_8 54 wesDyne internatioanal Reactor Vessel Inservice Examination Scan Parameter Execution SITE........................

comanche Peak #2 CONTROL SYSTEM..............

SQUID Site Weld ID

=

NOZ-113-SE weld and Scan Type

=

NOZ-113-SE PARALLEL SCAN Scan Data File Name

=

N-113-PAR-IN SCAN AREA DEFINITIONS SCAN INDEX (degree)

(inch)

START CW

-2.000 127.950 END CW 182.000 133.230 START CCW

182.000 133. 230 END CCW

-2.000 127.950 SCAN AREA COVERED SCAN INDEX (degree)

(inch)

TOP LEFT

-2.000 127.950 S

TOP RIGHT

182.000 127. 950 BOTTOM LEFT
-2.000 133. 230 BOTTroM RIGHT 182.000 133.230 Increment Size (in)

Number of Indexes specified Number of Indexes Completed

=

0.080

=

67

=

67 Scan Started Scan Completed Ti me 08:06:43 08:24:54 Date 10/17/2009 10/17/2009 OPERATOR OPERATOR C-7' 6-~--~.------~'

DATE 10/17/2009 08:24:54 DATE 10/17/2009 08:24:54 COMMENTS Page 1

COMANCHE PEAK UNIT 2 RPV COVERAGE ESTIMATE BREAKDOWNS DIRECTION I ORIENTATION PARALLEL SCANS PERP. SCANS CCWI/CW IN /OUT WELD DESCRIPTION WELD NO.

TCX-1 -4400-14 Inlet Nozzle to Safe-End @ 113° BEAM ANGLES BEAM 700 L Dual

  • ET DIRECTION______

EXAM VOLUME EXAM SURFACE ccw 100 100 cw 100 100 IN 100 N/ A OUT 100 N/A UT COVERAGE = 100%

Combined Coverage (UT & ET) = 100o%

CD,

-HI-a!

01=

-4, ANALYST

0l COMANCHE PEAK UNIT 2 RPV COVERAGE ESTIMATE BREAKDOWNS DIRECTION I ORIENTATION PARALLEL SCANS PERP. SCANS CNw/OwT IN lOUT WELD DESCRI PTI ON WELD NO.

TCX-1 -4400-13 Inlet Nozzle Safe-End to Elbow @ 1130 BEAM ANGLES BEAM 70° L Dual

  • ET DIRECTION__

EXAM VOLUME EXAM SURFACE CCW 71.38" 100 CW 71.38*

100 IN 100 N/ A OUT 100N/

UT COVERAGE = 85.69%

Procedure limited in the detection of axial flaws per the PD0S document.

Combined Coverage (UT & ET) = i00%

Areas of limitation inspected by Eddy Current technique.

____________________________*1D Configuration of Safe-End to Elbow weld CD

.0--

01 0,

-- h 0,1 ANALYST