ML20077L677

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Rev 11 to Procedure UT-10, Ultrasonic Exam of Nuclear Coolant Sys Piping
ML20077L677
Person / Time
Site: Brunswick Duke Energy icon.png
Issue date: 11/13/1982
From: Macgill D
LAMBERT, MACGILL & THOMAS, INC.
To:
Shared Package
ML20077L675 List:
References
UT-10, NUDOCS 8308090511
Download: ML20077L677 (42)


Text

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Lambert o MiacGill o Thomas,!nc.

, g3 , Testing Engineering. Service. Training e 515 Aldo Avenue Santa Claro, CA 95050 i.

408-980-9333

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. i PROCEDURE COVER SHEET AND QUALIFICATION RECORD i

Procedure No. UT-10_ Revision No. 11  !

Procedure Title Ultrasonic Examination of Nuclear Coolant i System Piping LMT, Inc.

QA Review and Approval M z.- M // -/.T -f:r.

(Qbality Assurance officer)

Client Approval i Authorized Nuclear Inspector Approval Specific Qualification Record ~

Job Site Component Examiners Date [

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4 8300090511 830804 PDR ADOCK 05000324 G PDR  ;

. O Q [3 G N.O ,[ $ C hj((l 0 N G M S G 7 a pg m 3; Testing Engineering.Servico Training FOLLOWI!!G P AGE 2 r- 515 Aldo Avenue REVIS10ft 11 Santa Clara, CA 95050 I6~i \'] 408-980-9333 DATE 11/12/82 TITLE: ULTR AS0flIC EXA!4IllATIO!! 0F filjCLE AR C001. A!!T. S YSTEf4 PI P T f!G I. PURPOSE A!!D SCOPE A. Purpose This procedure sets forth the instructions for ultrasonic ex amination of f ull penetration welds and

- adjacent base metal in piping and fittings with nominal wall thicknesses of 0.2" through 6.0".

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B. Scope ,,

1.. This procedure is applicable to f ull penetration ci rc umf erenti al , longit udi nal , a.tt'ac hment a nd bra nc h connection welds in ferritic and austenitic stainless steel materials where successf ul calibration is achieved .

2. This procedure is applicable when a minimum of 1/2 node metal path ex amination i s utili zed.

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Prepared by: T. G. Lambert QUALIFICATION:

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. Testing = Engineering a Service a Training 01II1G PAGE 3 AM~gg 515 Aldo Avenue Santa Claro, CA 95050 P,EV I S 10Il 11

/ 408-980-9333 DATE 11/12/82

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I. B. 3. This procedure is applicable when remote .instrumen-tation is used.

II.- R E FE R EllCE S A. "This procedure is in compliance with the applicable portions of the following referenced documents:

. 1. American Society of Mechanical Engineers Boiler and Pressure Vessel Code; a) Sec tion V , "liondest ruc ti v,e Exami na ti on,1977 edition, Summer 1978 addenda; b) Section XI, "Rul es for Inservice Inspect. ion of fluclear Power P1 ant Components",1977 edition, addenda through Summer 1978, i ncluding Appendix III, " Ultrasonic Examination Method for' Class 1 and 2 Piping Systems Made from Ferritic Steels."

2. American Society for ffondestructive Testing;

'a ) Recommended Practice llo. Slit-TC-1 A , June 1975,

" Personnel Qualification and Certification in Nondestructive Testing."

3. a) LMT Procedure QA-6, " Qualification and Certifi-cation of tide Personnel."

b)- LMT Operating and Quality Assurance Manual .

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PROC. uT-10 Larabert o MacGBH o ThomasJnc.

Testing

  • Engineering o Service .Trainir$g 3p f0 OtlIf1G PAGE 4 515 Aldo Avenue REVIS10N 11 1{'I Sor ia Cicro,-CA 95050 408-980-9333 D ATE 11/12/82

. i III. DEFINITI0flS None.

IV. RESPONSIBILITY A. The Technical Ma nager, LI4T , Inc., is responsible for the generation and control of this procedure and shall so indicate by a dated signature on Page 1.

B. The responsible Level III Field Supervisor, LMT, or hi s designated Level III alternate, LMT, shall qualify the procedure for a particular examination.

V. PROCEDURE QUALIFICATION ,

The procedure may be qualified for specific examinations,

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personnel, and equi pment by performing and documenting a s uc ces s f ul calibration. -

VI. PERS0 fit!EL REQUIREMr;;is A. Personnel shall be qualified and certified according to flie requirements of ASME XI, SNT-TC-1 A, and LMT, Inc.

Procedure QA-6, " Qualification and Certification of itDE Personnel."

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  • Engineering Service c Training FOLLOUING PAGE 5 q"^

{ 515 Addo Avenue Santa Clara, CA 95050 REVISION 11 408-980-9333 DATE 11/12/82 VI. B. Examiners shall be certified Trainee, Level 'I, level II, or Level III, by LMT, in ultrasonic testing. .

.If Level I personnel are used for angle beam scanning, a Level II must be ab.le to view the results on the CRT. " Trainees may be used to operate necorders and record data.

C. When using a remote ultrasonic master / slave tester ,

system, examinations shall be controlled by a Level II using the master unit and performed by a Level I using the slave unit.

D. Personnel evaluating ultrasonic data or interpreting

- strip charts shall be certified a minimum Level II, by LMT, in ultrasonic testing. -

E. LMT personnel reviewing ex amination reports for con-formit." to the reqdirements of this procedure shall be certified Level III. _

VII. EQUIPMENT AND MATERIAL RE0VIREMENTS .

A. Ultrasonic testers shall be of the pulse echo type. In-struments shall have an amplitude display linear within 5% of calibrated screen height over 80% of that height; and an attenuator, stepped in increments of 2 dB~or less, which is accurate over the range of the test to

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  • EngineerinO ' Servicc a Training .FOLLOWIllG PAGE 6

^~ 515 Aldo Avenue 1 I- Santa Clara, CA 95050 R EV I S 10!! 11 408-980-9.333 DATE 11/12/82 VII. A. 20% of nominal value. Instruments shall have had their internal alignment and calibration verified wi. thin 90 days of any impl ementation of this procedure.

1. A record of calibration shall be availabl'e at the jobsite for client audit.

B. The ultrasonic master / slave tester system shall be of the pulse echo type. The master unit shall house the control functions, and the slave unit shall house a scope display, telephone communication, and a transducer Connection.

1 Vertical linearity of 5% of the full screen range

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over at least 80% of the calibrated screen height shall be required for both the master and slave

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units.

2. Amplitude control accurate over the useful rang'e of the instrument to 20% of nominal value shall apply ~

to .the master unit.

3. Amplitude controls calibrated in units of 2 dB or less shall apply to the master unit.
4. A record of calibration shall be available at the jobsite for client audit.

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VII. C. Connecting cables shall be coaxial, and their length limited to less than that at which significant' signal degradation (2 dB) occurs, but shall not exceed 200 ,

feet. ,

D. Electronic recording equ'ipment, when used, shall be electronically aligned within 180 days of use.

E. Search units shall be certified by the manufacturer, or Lt4T, as to essential properties, incl uding bandwidth ,

damping, center frequency within 10% of nominal, and relative gain.

1 Transducers should be selected according to Tabl e 1. Additional search unit.s may be used for evaluation or in unusual circumstances; however, such use shall be documented by an ' approved Field Change to this procedure as per Lt4T, Inc. Quality _

Assurance Procedure QA-5.

,lia t o r i a l Angle Beam Thickness lia x . Size fia x F re q .

Up to .5" 3/8"x3/8" PE or P/C 5.0 tiltz Over .5" 1/2"x1/2" P /C 1. 5 t411Z through 2" Over 2" 1"x1" PF or P/C 2.25 filiz Table 1

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Testing o Engineering o Service oTra. .ining FOLLOWING PAGE 8 515 Aldo Avenue l\'l Santa Clara, CA 95050 REV1SION 11 408-980-9333 DATE 11/12/82 VII. E. 2. Angle beam transducer wedges shall provide refracted angles of 45* , 3 , in the calibration block.

'a) Refracted angles shall be determined as fol-l ows:

1) Using an 1131 or Rompas block, determine the wedge exit point and angle.
2) Position the transducer on the calibration block for maximum response from the f ar

, side notch.

3) Measure the distance along the block sur-face from the side of the notch nearest the transducer to the wedge. exit point.
4) Calculate the refracted angle using the following formul a: .

0 = are tan h, where t

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0 = refracted angle h = horizontal distance from notch to exit

, point t = block thickness b) Other angles or sizes may be used for evalua-tion, and when geometric and weld configuration or wall thickness impe'de ef fective use of 45 .

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  • Engineering a Service . Training 515 Aldo Avenue 01 I NG P AG E 9

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VII. E. 3. Search unit contact angle beam wedges shall meet the criterion of Table 2 for coverage of attachment veld root areas, as shown in Figure 1, when the examina-tion i.s limit 3 d to hal f-node (hal f-vce path) .

Required Index to lleld Beam Angle Centerline Distance A 45' .93T 60 1. 6 T 70 2.47T Table 2 -

F. Coupl ant materials shall be as low as practicable in s ulf ur and halogen content. Certification shall be pro-vided on a generic basis for each brand of couplant.

Analysis for halogens and sulfur shall be made according to ASTM D-129-64 and ASTM D-808-63. -

1.- Residual halogens and sulf ur shall not exceed 1% by weight.

2. LMT Gel and Ul tra-Gel are satisfactory coupl ants.

G. Calibration blocks shall be of the form as described in ASME XI (1977), Appendix III, Summer 1978 addenda.

Calibration blocks shall be of the same nominal size, thickness, material, and surface finish as the area of 9

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/ 408-980-9333 0 ATE 11/12/82 i VII. h[). major interest in the material to be examined (Fig-J b ure 2).

1. -Calibration notches shall be one inch long, not more than one-quartur inch wide, and a depth selected according to Table 3 Nominal Pi pe Wall Notch Depth Thickness, t, in. (d) in. T ol era nc e Less Than 0.312 .05t +10%

-20%

0.312 to 6.0 .05t +10%

-20% -

Table 3 ,

2. Calibration holes for use in half-node. examinations only shall be drilled perpendicular to the ends of the block to the centerline of the pipe, one and one.- hal f inches deep. The diameters and location

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shal1 conform ~to Table 4.

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VI I . F. 2.

Pipe Wall (T) Hole G Hole Location 1 in. or Less .3/32" 1/2T .

over 1 in. 1/8" '

1/4T and 3/4T through 2 in.

over 2 in. 3/16" 1/4T ,1/2T a nd through 4 i n. 3/4T over 4 in. 1/4 " 1/4T , 1/2T and through 6 in. 3/4T Table 4

3. Other reflectors may be included in block designs for informational purposes.

VIII. PRE P AR AT I 0t1 t

i A. Documentation l

! 1. The following preliminary documentation requirement.s

' shall be reviewed by the examin r with the client for l

review before.beginning any examination program:

a) Procedure Qualification ,

b) Calibration Sheets I c) Inspection Reports -

l d) Material and Equipment Certifications l

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/ VIII. A. 1. c) Per sonnel ' Certi fications f) ItRC Form 4 (0perating fluclear Plants Only)

'g) HRC Form 5 (Operating Nuclear Plants Only) h) Status Indicators (floid Tags) -

i) Radiation Work Permits (when applicabl e)

B. Physical Prepar6 tion

1. The f'ollowing physical preparation requirements shall be reviewed by the examiner with the client before specific examinations are performed:

a) Insulation removal .,

, b) 0SilA requirements (ladders, lighting, fresh air, scaffolding, etc.) .

c) Cl eanup requirements d) Safety precautions (other work .in area, etc.)

C. Surf ace Preparation

1. Responsibility -

It .shal'1 be the responsibility of the Level II l ex aminer to determine the need for s urf ace . pre'p-l aration.

2. Surface shall be suf ficiently smooth and clean so that a meaningful examination may be performed.
3. Welds shall be identified and all required marking procedures completed before perform'ing any examina-tions.

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IX. LIMITATIONS,

1. This procedure is based on ASME Nuclear Requirements; it may not be applicable to military, API, or Al;lS require-ments without modification.
2. The procedure is limite'd to carbon and austenitic steels unless specifically qualified for other materials.

X. CALIBRATION A. Test calibration is performed on a complete system. Any change in the ultrasonic instrument, transducer cable, or transducer requires test recalibration. A change in qualified personnel, recording i n s tr.um.e n t a t i o n , o r recorder connection cable requires a calibration check; however, instrument alignment verification need not be made with the transducer used for testing.

B. Instrument alignment verification for screen height and amplitude control linearity shall be performed before the initial examination in any given series and repeated on a daily basis.

1. I nstrument Linearity Verification L , a) Position the angle beam search unit on a cali-bration block to obtain two echoes with a 2:1 I

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" 515 Aldo Avenue Santa Clara CA 95050 REV1S10tl 11 408-980-9333 D ATE 11/12/82 X.. B. 1. b) Set the larger echo to 80% of calibrated screen-height.

c) Vary the amplitude of the larger echo from 100%

to 20% of calibrated scre'en height in 10% incre-ments, d) 'Itote that at each increment the smaller echo remains 1/2 the larger within a tolerance ' band of 5% of f ull screen height.

e) Record successf ul performance of the verifica-tion on a Calibration Report form (Figure 3) .-

2.. Attenuator Linearity Verification a) . Position the search unit to .obtain an 80% of f ull scale echo on the calibrat.ed screen.

b) Adjust the sensitivity control to decrease the system gain by 6 dB and 12 dB. Qompare the .

. response with Table 5 and determine its accept-

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N ability. . Estimate system response to 1% of l '

I calibrate full scale.

t c) Position the search unit to obtain a 40% of full 1

I scale echo on the calibrated screen.

d) Adjust the sensitivity control to increase the system gain by 6 dB. ,

Compare the response with Table 5 to determine i ts acceptability. Esti-l .

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'\'l l ' Santa Clara, CA 95050 REVIS10ft 11 408-980-9333 DATE 11/12/82 i

X. B. 2. d) mate system response to 1% of calibrated f ull screen.

'e) Position the search unit to obtain a 20% of ,

f ull scale echo on the calibrated screen.

f) Adjust the sensitivity control to increase the system gain by 12 dB. Compare the response with Table 5 to determine its acceptability.

Estimate system response to 1% of calibrated f ull scale.

g) Record successful performance of the verifica- ,

tion on a Calibration Report form (Figure 3).

Indication Gain Indication Tolerance Set Change Limits 80% -6 dB 32% to 48%

80% -12 dB 16% to 24%

40% +6 dB 64% to 96%

20%- +12 dB 64% to 96% -

Table 5

3. The remote ultrasonic master / slave tester system instrument performance shall be verified before each day's examination.

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. i l-X. C. Examination Calibration

1. Straight beam examination scans are optional . Ilhen used, straight beam examination scans shall be cal-ibrated at the same time of . examination on a repre-sentative sample o'f the material examined by plac-ing the first back reflection at 80% amplitude and

'. four sweep divisions.

2. Angle Beam Examination ( Axial Scanning)

Calibzation is performed on a complete system on an appropriate basic calibration block at the begin-

'ning of each day's testing of the material .

a) Calibration shall be perform.ed on a calibration block whose temperature is within 25*F of the material to be examined.

b) Set the sweep range on the calibrated ' tester

[s.creen according to Tabl e 6. .

Thickness 1.D./0.D.

(T) Metal Path Points Up to 1/2" 2-1/2 Vee Paths 2,4,6,8,10 Div.

1/2 " - 1 " 2 Vee Paths 2.5,5,7.5,10 Div.

1"-2" 1-1/2 Vee Paths 3,6,9 Div.

>2" 1 Vee Paths 4,8 Div.

Cast Stain- 1/2 Vee Path 8 Div.

less - or Ciad Pipe Table 6

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'I' Santa Clara, CA 95050 408 980-9333 REVIS10tl 11 DATE 11/12/82 X. C. 2. c) For examinations utili zing metal paths greater than one-half node, test sensitivity at any

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range is established by setting the amplitude of the nearest circumferential notch echo to 80% of f ull calibrated scale. The responses from the remaining circumferential notch echoes in the test region shall then be obtained at this sensitivity, j oined together in a smooth DAC curve on the tester f ace, and similarly recorded on the Calib. ration Report form (Figure 3). The DAC curve so generated is the Primary Reference Level . ,

d) For examinations utilizing a half-no' de metal path, DAC curve shall be generated using the side drilled holes in a basic calibration block so that the maximum hole response is set to 80%

calibrated screen height. This response shall be obtained with the transducer centerline aligned with the hole half length and the beam perpendic ul ar to tahe S01{, to prevent possible tj erroneous corn r ,'sponses. The DAC shall be clearlymarkedon'tfietester f ace and smoothly extrapolated to cover the f ull examination 3

Ambert o l']acGii! o Thomas inco I PAGE 17

' ' ~-~ ~iiN TestinO o Engineering e Scrvico o Training FOLLOUIf1G PAGE 18

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  • 515 Aldo Avenue

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/ X. C. 2. d) range, O to T inches.. T h e 'D A C s-h a l l also be recorded on the Calibration Report form (Figure

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3). The DAC curve is the Primary Reference Level. -

e) Af ter the Primary Reference Level has been es-tablished on the basic block, a calibration reference response may be established on a Rompas or other standard reference block. The response should include both sweep and ampli-tude calibration poin~ts and should be recorded ,

as a calibration check response on the Calibra-tion Report f o rm . This response may be used for calibration check when an appropriate basic block is not availabl e. .

3. Angle Beam Examination (Circumferential Scanning)

The angle beam calibration required for axial scan-ning, (X.C.2), i s considered acceptable for circum-ferential scanning if the amplitude of the axial calibration is within 2 dB of the the amplitude A

obtained from the avig/ 's notch echoes and its sweep location.is within 115.! gf the calibrated reference response value recorded on the calibration sheet.

If these tolerances cannot be met, a compl ete new 1

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_ 7 0 00 Testing a Engineering a Service a Training WM(p 515 Aldo Avenue 0 fl0 PAGE 19 bl Santa Clara, CA 95050 REVIS1011 11 408-980-9333 DATE 11/12/82 X. C. 3. calibration is required following the requirements of X.C.2 of t hi s proced'ure.

4. When. using the remote ultrasonic master /sl ave test-er system amplitude peak responses on the slave unit shall agree with the master unit within 20% of full scale height and within 5% of sweep range full sc al e .

XI. PERFORMA!!CE A. Straight Beam Scan

1. The material through which angic beam sound will travel during the examinations may be examined with longitudinal beams for thickness information, geom-etry, weld locations and l aminations to suppl ement the angle beam examinations.
2. A Rectilinear scan pattern shall be used.

B. Calibration Check

1. A calibration check is required before and after each examination and wyth any change in test per-sonnel. In no case i ,11 a calibration check 1,

exceed four hours.

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2. The calibration check shall as a minimum consis? of verification of the DAC curve by a two-point am pl i-i tude and range check using the basic calibration block or a ortable block such as the calibration

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/ XI. B. 2. block or a portable block'such as th'e Rompas whose response has been related to that of the basic

  • block. .

a) Th,e amplit'u'de response of the reference refl ec-tor during th'c calibration check shall be with-in 2 dB, and its sweep location wit.hin 10%

of the calibration reference response value recorded on the calibration sheet to be accept-a bl e .

, b) An unacceptable calibration check shall be cause for f ull examination of the test system to determine the reason for ,th.e calibration change. Typical causes for calibration change are ambient temperature effects'on transducers and electronics, control settings inadvertently changed, and loss of couplant between the

, transducer and wedge. If, in the judgment of the examiner, the cause of the calibration change has been corrected or may be compensated f o r by a c ha n g e 'i ny>c o n t r o l s e t t i n g s , c al i b r a

.L tion may be restors'dlusing the calibration y check response.

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  • Engineering o Service o Training 01 flG PAGE 21 515 Aldo Avenue 4' Santa Clara, CA 95050 REVIS 10ft 11

/ 408-980 9333 DATE 11/12/82

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XI. B. 2. c) Any examination that has be'n e performed in a non-calibrated condition 'sha'll be repeated.

C. Sensitivity i

The scanni,ng sensitivity shall be a minimum of 2x (6dB) greater than the reference sensitivity level.

D ., Coverage

1. Each area shall be. scanned with a. nominal 15%

j overlap of the transducer width (diameter) for each scan path. In no ccse.shall transducer overlap be less than 10%. -

2. For angle beam examinations the search unit shall l be oscillated + and - 45 degrees.to ensure maximum coverage.

3.. Any obstruction or other condition preventing full coverage of the examination shall ~be recorded on the examination report.

E. Scanning Speed Scanning speed shall not exceed four inches per second.

F. Limitations

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Physical or other limitatE,en.s that prevent full com-i A.

pliance with the requirements of this procedure shall

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be recorded on the Examination Report form, F.igure 4.

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XI. G. Automatic Alarms Automatic alarms or recording may be used as an aid to the' examiner.

XI I. EV AL U AT1011 A '. Recording of Indications

'. 1. Evaluation shall be at the Primary Reference (DAC)

Sensitivity.

2. Evaluate and record all ~ reflectors.

a) Indications shall be evaluated and recorded to the extent that the examiner can determine their size, shape, identity and location.

3. Any indication determined to be non-geometric shall be recorded, regardless of size, on the form shown in Figure 5.

B. Reference System for Reporting Indications _

The reference system of Figure 6 shall be used to lo-cate indications.

C. Acceptance Criteria

.I The acceptance criteria \c,iptained in Paragraph IWB-3514 of AStiE X I , 197 7, Summer l'9'/(8 a dd e nd a , a nd s umma ri ze d

( in the tables drawn in Figures 7 and 8 may be used as a guide for acceptance. .

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XIII. RECORDS ' A. =4 A Report of Visual and Ultrasonic Examination (Fig- ' ure 4) sh'all be prepared for each item examined, and shall be related ,to a Report of Ultrasonic Calibration (Figure 3). B. Oscillograph chart records shall be made of all angle

                                   ,         ' beam examinations.
1. Chart records used in indication analysis shall utilize two channels, one corresponding to vertical deflection of the tester. signal and the other to ,

hori zontal . These channels shall be calibrated to match the oscilloscope display. That is, an indi-cation 90% of vertical amplit ude appearing a t five

                                     .              divisions on the tester screen should have a nine division deflection on one chart channel and a five division deflection on the other.
2. Chart records shall incl ude pre and post test cali-bration checks made at the same scanning speed as the test.
3. Location and other per)inent information shall be
                                                                                     \J manually noted on eac,9 chart.

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             ~ Lamberte MacGii3 Thomas,Inc.                                       ""oc    oT-2 o Testing. Engineering Service. Training  Fy0      NG PAGE 24 515 Aldo Avenue
        ,                                                Santa Clara, CA 95050    REVISION 11 408-980-9333
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DATE 11/12/82

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/ XIII. B. 3. a) Pertinent information includes, but is not ' limited to.date, time, i tem, equi pment, exam-iners, scans,. gain, and recorder settings and sp.eed. C. Alternate Recordings Other types of recording, such as event or alarm moni-toring and magnetic taping may be used as an aid to the examiner where feasible. XIV. REVIEW A. Examination Reports shall be subject to review by an

                            . assigned LMT Level III examiner for conformity to the requirements of this procedure.

B. Following the final LMT review, the reports will be transmitted for review by the client and the Authorized Nuclear Inspector. XV. DOCUMENTATION STORAGE AND DISTRIBUTION A. Original examination doc,umentation shall become the property of the client uhud! sign-off by the ISI Field

                                                               >*3 Coordinator.         Additional repoets which may incl ude
                          \ examination documentation as reference material shall be generated fr.om copics.                                                *
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Testing . Engineering . Service . Training 515 Aldo A~ venue ' 1$ } P Santa Claro, CA 95050 R I  ! '. : '. I1 408-980-9333 i: 7. : .

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XV. B. Field storage facilities shall provide a safe .t -.... area, and access to files shall be limited to the l ': I Field Supervisor, hi s designated representative ,, client representitives and the Authorized fluclear Inservice Inspector. - 4 e e WB ED Et t

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          /mberio MacGill                                  o Thornas,Inc.

Testing

  • Engineering . Service . Training c,1, y,, yi,,

Rs'# 515 Aldo Avenue Job No. Santa Clara, CA 95050 th - 408-980-9333 p,,, Page _ of OF ULTRASONIC CALIBRATION REPORT Review /Lovel S Examiner / Level Examincr/ Level I Customer __ Authorized Inspector N RcCa1 Duc Cable Instrument .S/N S/N RcCal Due __ Recorder RcCal Duc Recorder S/N E Check Completed Vertical Linearity check . 20 10 90 Rn 7n En sn r_p in Sinnal 1 _00 1 U . Sinnal 2 Signal 2 shall equal 50% of Signal.1 15% of full scale I Check Completed Attenuator Linearity Check Set + 12 Set +6

                                                                   -6              -12 M                                            64 to 9 6         401      64 to 96

_ Trs e ri r nain l 32 to 4 8 16 to 24 20% Signal Amn. 80% XM W >MXI i Actual Value Signal amplitudo must f all within listed values E Trans.ducers Angle N Size __Freq. Index Mfg. ._ Type S/N Freq. Index Angle T Mfg. Type Size S/N Frog. Index _ Angle Mfg. Type Size S/N _ Index Angle Type _ Size Freq. S/N Mfg. P Date Rev. Proceduro R 0 - C Ref. Refl. Temp. Cal. Block Type S/N C Ref. Refl. Temp. Verification /Ref. Blk. S/N A DAC Cal. Check g Time y Instrument Settings

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~ 7 PROC. UT-10 PAGE 28 FOLLOUlilG PAG'E 29 isT-uTx2 1o/79 Location

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   , Lambert o M2acGi:4                         .

o Thomas,inc. Testing . Engineering a Service

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c,3,y,, 71,, r b, 515 Aldo Avenue Job No. / 1' Santa Clara. CA 95050 408 980-9333 no t c. Page of OF VISUAL AND ULTRASONIC EXAMINATION REPORT S/N (s) f E Description Size Material M Preparation Ternp _ Location S Examincr/ Level Examiner /Lovel Review /Lovel I G Customer H Authorized Inspector E Teste'r 1 S/N 2 S/N U Recorder 1 S/N 2 S/N I 2 p Transducer 1 M 3 4 C N Couplant Cable Marker Photo T Rev. P Calibration Procedure Rev. . R Examination Procedurc Recording Procedure Rev. C C Temp. Ref. Amp. Sweep Calib. Blk. Ref. Gain Damp. Reject Gate L" I Alarm Mag. Tape Count Chart Cal Check Time g Cal. Ref. Blk. Ref. Refl. Amp. Sweep Position Scan Gain Ref. Dwg._ Reject Level _ Report Level _ E NAD = No Apparant Disc. L = Linear G = Ccometry S = Spot M = Multiples

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Scan Type - Disp." ' Scan Type Disp. Scan Type I A 0 PT I M 1 Visual 7 13 2 Dase Metal 8 .l 14 7 ' 3 9  ! 15 N 4 ) 10 l 16 5 I 11 .-' lt 17 g 6 12 \ I ll 18 l g f'_ Scan f ocscription of Indications I .-* o y . H t Sketch 1 Figure 4 ..

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ULTRAS 0fbC INDICAT10!! DATA TABULATIO!! SCAN NO. I. INDICATION N0. II. MAXIMU4 AMPLITUDE DATA "

                      ~             ~
1. Ampiitude
            .           2. Percent DAC
3. . Sweep Metal Path
4. Transducer Position III. INDICATION LENGTH
1. Length measured between  % DAC limits
2. Indication length
3. Transducer position .

INDICATI0il CROSS SECTIO!! DATA AT INTERVALS ALONG THE IV. . INDICATION'S LENGTH BETWEEN  % DAC POINTS

1. Reference is from weld 0* and weld centerline (or)

Reference is

2. Transducer perpendicular. to indication.

MIN SWEEP MAX AMPLITUDE MAX SUEEP ! 1RANSDUCER DISTANCE POSITION AMP SWP MP POSIT SWP MP POSIT DEPTH FROM ALONG SWP MP POSIT SURFACE INDICATION Figure 5 Examiner Contractor Review Signature Level Asst. Examiner __ Signature Level .

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TABLE IWB.3514 2 AI.LOWABLE PLANAR INDICATIONS - Material: Femtic steels that meet the rer;uirements of h3 2300 and specified

   .                                                                           rnmimum yield strength cf 50 ksi or less at 100 F Ver umetric Examination Method                                          .

Surface Esamination fs'ominal We'l Thickness. 3.0 4.0 and ovec Method

f. In. 0 312 or less' 1.0 2.0 Aspect Surf ac e S surface Surface Subsurf ace Surface Subsurface Surface Subsurface Surface Subst.rf ace Nom Wa!I Ind cation Ratio. Indication. Indic a tio n. Ind.c a tion. Ind.u tio n. Indication, ind cetion. Indication. Indication. Ind cation. Indica tion. Thechr ess. Length, s.P at % s t %' s t, % a t. %8 st % s.t %S et % s t %8 at % st %8 f. in. (. in.'

Preservke Examination O 7.4 9.2 6.7 8.4 5.7 7.2 4.7 5.8 3.7 46 . O C5 7.9 9.5 7.2 8.7 6.2 7.5 5.0 6.1 4.0 4.8 0.312 or less 13 0 to 8.7 10 4 7.9 95 6.8 8.1 5.5 6.6 4.3 5.2 0 15 96 11.5 88 to 5 7.5 9.0 6.1 7.3 4.8 58 1.0

  • 3:16 0 20 96 11,5 9.9 11 8 8.4 10.1 6.9 8.2 5.4. 6.5 0 75 9G 11 5 9.9 11 8 95 11.4 7.3 9.3 6.1 ~ 7.3 20 14 0 30 96 11 5 99 11 8 9.5 11.4 88 10.5 69 82 96 11 5 99 11 8 9.5 11.4 88 1't.8 69 9.3 3.0 -

1:4 0 35 0 40 96 11.5 9.9 11.8 9.5 11.4 08 11.8 69 10.4 0 45 96 11.5 9.9 11 8 9.5 11.4 88 11.8 6.9 11.6 4.0 and over 1 14 O to 9.6 11.5 9.9 11.8 9.5 11.4 83 11.8 6.9 11.6 Irmarnce Exsmination *

0. 11.1 13.8 10.0 12.6 8.5 10.8 7.0 8.7 5.5 6.9 0 05 11.8 14.4 10.8 13 0 9.3 11.2 7.5 9.1 6.0 7.2 0.312 or less 0.2 0.10 13.0 15 6 11.8 14.2 10.2 12.1 8.2 9.9 6.4 7.8 0 15 14.4 17.2 13.2 15.7 11.2 13.5 9.1 10.9 7.2 8.7 1.0 0.3 0 20 14.4 17.2 14.8 17.7 12.6 15.1 10 3 12.3 8.1 9.7 0 25 14 4 17.2 14.8 17.7 14.2 17.1 11.7 13.9 9.1 10.9 2.0 0.6 ,
                    - 0.30           14.4         17.2        14 8           17.7         14.2         17.1        13 2         15.7        10 3         12.3 0.35           14.4         17.2        14.8           17.7 -       14.2         17.1        13.2         17.7        10.3       ,

13.9 30 0.8 0.40 14.4 17.2 14 8 17.7 14.2 17.1 13.2 17.7 10.3 15.6 0 45 14.4 17.2 14 8 17.7 14.2 17.1 13 2 17.7 10 3 17.4 4 0 and over 0.8 14.4 17.2 14 8 17 7 14 2 17.1 13 2 17.7 10.3 17 4 05.0 NOTES: C M "" ' ' O (1) Fce inte< mediate flaw espect reteos af/. and thickness f. linear interpolation is mrmissible (2) as nominal well thickness of actual wa:t thickness as determined by UT examination. m w rm

                                                                                                                                                                                                     ]7              ?

(3) he total depth of subsurface end (ation is 2s. "

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408-297-8766 page. f of. 7 REPORT OF ULTRASONIC CALIBRATION

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l5\ o ws Attachment 4 Stress _ rule index (SRI) for the weld joints in the nonconforming, service sensitive piping (IV.B.1.b(6) of NUREG-0313, Rev. 1). LOOP A LOOP B Weld No. SRI Weld No. SRI B32-RECIRC-12"-AR-A-1 1.08 B32-RECIRC-12"!BR-F-1 1.12 B32-RECIRC-12"-AR-A-2 1.48 B32-RECIRC-12"-BR-F-2 1.53 B32-RECIRC-12"-AR-A-3 1.46 B32-RECIRC-12"-BR-F-3 1.45 B32-RECIRC-12"-AR-A-4 1.27 B32-RECIRC-12"-BR-F-4 1.46 B32-RECIRC-12"-AR-B-1 1.06 B32-RECIRC-12"-BR-G-1 1.10 B32-RECIRC-12"-AR-B-2 1.39 B32-RECIRC-12"-BR-G-2 1.51 B32-RECIRC-12"-AR-B-3 1.51 B32-RECIRC-12"-BR-G-3 1.53 B32-RECIRC-12"-AR-B-4 1.36 B32-RECIRC-12"-BR-G-4 1.42 B32-RECIRC-12"-AR-C-1 1.57 B32-RECIRC-12"-BR-H-1 1.59 B32-RECIRC-12"-AR-C-2 1.58 B32-RECIRC-12"-BR-H-2 1.57 B32-RECIRC-12"-AR-C-3 1.54 B32-RECIRC-12"-BR-H-3 1.53 B32-RECIRC-12"-AR-C-4 1.60 B32-RECIRC-12"-BR-H-4 1.53 B32-RECIRC-12"-AR-D-1 1.08 B32-RECIRC-12"-BR-J-1 1.06 B32-RECIRC-12"-AR-D-2 1.46 B32-RECIRC-12"-BR-J-2 1.41 B32-RECIRC-12"-AR-D-3 ' 44 B32-RECIRC-12"-BR-J-3 1.45 B32-RECIRC-12"-AR-D-4 1.35 B32-RECIRC-12"-BR-J-4 1.30 B32-RECIRC-12"-AR-E-1 1.14 B32-RECIRC-12"-BR-K-1 1.07 B32-RECIRC-12"-AR-E-2 1.57 B32-RECIRC-12"-BR-K-2 1.42 B32-RECIRC-12"-AR-E-3 1.53 B32-RECIRC-12"-BR-K-3 1.38 B32-RECIRC-12"-AR-E-4 1.58 B32-RECIRC-12"-BR-K-4 1.25 B32-RECIRC-4"-A-1 1.22 B32-RECIRC-4"-B-1 1.22 B32-RECIRC-4"-A-11 1.19 B32-RECIRC-4"-B-11 1.20 Three dissimilar welds have had no SRI number calculated due to the fact that these inspections are performed each refueling outage or other planned outage per previous commitment on NUREG-0313, Rev. 1. Weld No. SRI E11-RHR-24"-A-DISCH-12 N/A E11-RHR-24"-B-DISCH-12 N/A E11-RHR-20"-A-SUCT-2 N/A 1

Attachment 5 Stress' rule index (SRI) number for the welded joints in the nonconforming, nonservice sensitive piping (IV.B.2.b'of NUREG-0313, Rev. 1). LOOP A LOOP B Weld No. SRI Weld No. SRI B32-RECIRC-28"-A-2 1.08 B32-RECIRC-28"-B-2 1.03

               .B32-RECIRC-28"-A-3                                                   1.46                                                  B32-RECIRC-28"-B-3           1.34 B32-RECIRC-28"-A-4                                                  1,41                                                'B32-RECIRC-28"-B-4            1.32 B32-RECIRC-28"-A-5                                                 0.95                                                    B32-RECIRC-28"-B-5          0.93 B32-RECIRC-28"-A-6                                                 0.97-                                                   B32-RECIRC-28"-B-6          0.94 B32-RECIRC-28"-A-7                                                  1.38                                                   B32-RECIRC-28"-B-7          1.36 B32-RECIRC-28"-A-8                                                  1.41                                                   B32-RECIRC-28"-B-8          1.36 B32-RECIRC-28"-A-9                                                  1.C7                                                   B32-RECIRC-28"-B-9          1.05 B32-RECIRC-28"-A-10                                                 1.58                                                   B32-RECIRC-28"-B-10         1.51
               .B32-RECIRC-28"-A-11                                                 1.52                                                   B32-RECIRC-28"-B-11         1.46 B32-RECIRC-28"-A-12                                                 1.12'                                                  B32-RECIRC-28"-B-12         1.12 B32-RECIRC-28"-A-13                                                1.13                                                   B32-RECIRC-28"-B-13          1.12 B32-RECIRC-28"-A-14                                                1.51                                                   B32-RECIRC-28"-B-14          1.48 B32-RECIRC-28"-A-15                                                1.42                                                   B32-RECIRC-28"-B-15          1.40 B32-RECIRC-28"-A-16                                               0.98-                                                   B32-RECIRC-28"-B-16          0.97 B32-RECIRC-28"-A-17                                                1.02                                                   B32-RECIRC-28"-B-17          1.01 B32-RECIRC-28"-A-18                                               0.95                                                    B32-RECIRC-28"-B-18          0.95 B32-RECIRC-28"-A-9BC                                               1.20                                                   B32-RECIRC-28"-B-9BC         1.20 B32-RECIRC-28"-A-12BC                                              1.04                                                  B32-RECIRC-28"-B-12BC         1.04 B32-RECIRC-28"-A-15BC                                             0.98                                                   B32-RECIRC-28"-B-15BC         0.98 B32-RECIRC-22"-AM-1                                               1.15                                                   B32-RECIRC-22"-BM-1           1.14
            .B32-RECIRC-22"-AM-2                                                  1.11                                                   B32-RECIRC-22"-BM-2           1.20 B32-RECIRC-22"-AM-3                                               1.03'                                                  B32-RECIRC-22"-BM-3           1.21 B32-RECIRC-22"-AM-4                                               1.24                                                .B32-RECIRC-22"-BM-4             1.14 B32-RECIRC-22"-AM-5                                               1.18                                                   B32-RECIRC-22"-BB-1BC-A       1.16.

B32-RECIRC-22"-AM-6 1.14 B32-RECIRC-22"-BB-1BC-B 1.19

            .B32-RECIRC-22"-AM-3BC-A                                              1.2J                                                   B32-RECIRC-22"-BB-3BC-A       1.18 1B32-RECIRC-22"-AM-3BC-B                                            1.20                                                 'B32-RECIRC-22"-BB-3BC-B         1.21 B32-RECIRC-22"-AM-5BC-A                                          1.19
            'B32-RECIRC-22"-AM-5BC-B                                             1.16 Three dissimilar welds have had no SRI number calculated due to the fact that these inspections are performed every refueling outage or other planner outage per previous commitment on NUREG-0313, Rev. 1.
                  ~

Weld No. SRI

         .E11-RHR-24"-A-DISCH-12                                                                           N/A                                                               -
         'E11-RHR-24"-B-DISCH-12                                                                           N/A E11-RHR-20"-SUCT                                                                              N/A 1

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