ML20086M892
| ML20086M892 | |
| Person / Time | |
|---|---|
| Site: | Wolf Creek, 05000000 |
| Issue date: | 01/12/1984 |
| From: | Lefebvre B, Rathbun G KANSAS GAS & ELECTRIC CO., WESTINGHOUSE ELECTRIC COMPANY, DIV OF CBS CORP. |
| To: | |
| Shared Package | |
| ML20086M864 | List: |
| References | |
| PROC-840112, NUDOCS 8402170135 | |
| Download: ML20086M892 (116) | |
Text
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Preservice Inspection Program of the Wolf Creek Nuclear Power Station Unit No.1 P.O. Box 627 Stawn Kansas 66839 For Kansas Gas and Electric Company 201 North Market Street Wichita, Kansas 67201 0
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Prepared By:
Westinghouse Electric Corporation Nuclear Services Intergration Division Inspection Services P.O. Sox 78 Pittsburgh,Pennsyl vania 15230-0078 1
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PRESERVICE EXAMINATION PROGRAM ADDENDlN g
FOR KANSAS GAS AND ELECTRIC COMPANY WOLF CREEK NUCLEAR POWER STATION UNIT NO.1 i
Revision 1, 1-11-84 (This revision is effective, December 1,1983) i This docunent details the proposed planned scope of examinations by West-inghouse InspectMn Service and includes:
items selected for examination, sketches illustrating areas and identification of all items to be examined and procedures for examination and documentation.
4 The proposed planned scope of examinations is based on the ASME B & PV Code Section XI,1977 Edition up to and including the Sumner 1978 Addenda.
Because all of the items selected fer examination are fabricated and con-structed from austenitic materials and no appropriate methodology exist in the applicable Code Section, alternative examinations in accordance with sub-paragraph IWA-2240 of Section XI will be utilized.
The examinations will be conducted utilizing the procedures incorporated herein.
Areas which due to materials of construction, fabrication and/or design geometry which might obscure valid recordable flaw indications will be docunented.
Qualification of examiners, materials and equipment will be available on site prior to the start of and during the examinations.
Calibration blocks, including modifications and Quality Assurance documentation which may be re-quired shall be supplied by Kansas Gas and Electric Company.
This Program and the procedures incorporated herein, require approval by Kansas Gas and Electric Company and the Authorized Nuclear Inservice In-spector.
2 Prepared By:
WESTINGHOUSE ELECTRIC ~ CORPORATION f
W Approval:
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Approval:
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Agency:
.. s Kansas Gas and Electric Company Wolf Creek Nuclear Power Station Unit No.1 Preservice Inspection Program c.,
All items listed below are to be examined, as indicated, in accordance with the requirement.s of the 1977 Edition Section XI of the ASME Boiler and Pressure vessel Code up to and including Summer 1978 Addenda to the extent practical with the accesi, provided and the limitations of component geometry.
PROGRAM IWB-2500-1 EXAMINATION SKETCH ITEM REFERENCE ITEM SUBJECT TO EXAMINATION PROCEDURE REFERENCE VOL. SURF. VIS.
REACTOR VESSEL M54
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Examine 1 & 14 RAW w 5cre Em
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-Leop-B Mot le Welds.
Examine 1 & 14 R8W 2M Lcop_'Lliezzitte.. Safe-End-206
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Examine 1 & 14 R8W 35=M toop--4 Nozz-le40-SMe;Eno 20e J;
Examine 1 & 14 STEAM GENERATORS 1, 2, 3 & 4 5.
B5.30 Loop i Nozzle to Safe End 206 (1) 1-4100 Welds.
Examine 4 & 5 6.
B5.30 Loop 2 Nozzle to Safe End 206 (1) 1-4200 Welds.
Examine 4 & 5 7.
B5.30 Loop 3 Nozzle to Safe End 206 (1) 1-4300 Welds.
Examine 4 & 5 8.
B5.30 Loop 4 Nozzle to Safe End 206 (1) 1-4400 Welds.
Examine 4 & 5 PRESSURE RETAINING WELDS IN PIPING B9.10 Nominal Pipe Size 4 in, and Greater.
9.
B9.11 Loop 1 Reactor Coolant Pipe.
206 (1) 1-4100 Examine welds 2, 3, 6, 7, 8, 9, 10, 11, 12 and 13.
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B9.11 Loop 2 Reactor Coolant Pipe.
206 (1) 1-4200 Examine welds 2, 3, 6, 7, 8,
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9, 10, 11, 12 and 13.
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s PROGRAM IWB-2500-1 EXAMINATION SKETCH ITEM REFERENCE ITE!4 SUBJECT TO EXAMINATION PROCEDURE REFERENCE r.
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PRESSURE RETAINING WELDS IN PIPING 1
(cont'd) 11.
B9.11 Loop 3 Reactor Coolant Pipe.
206 (1) 1-4300 Examine welds 2,-3, 6, 7, 8, 9,10,11,12 and 13.
12.
B9.11 Loop 4 Reactor Coolant Pipe.
206 (1) 1-4400 Examine welds 2, 3, 6, 7, 8, 9,10,11,12 and 13.
B9.30 Branch Pipe Connection Welds 1-4100 13.
B9.31 Loop 1 Reactor Coolant Pipe.
206 (1)
Examine welds 15, 16, 17, 18, 19, 20, 21 and 22.
14.
B9.31 Loop 2 Reactor Coolant Pipe.
206 (1) 1-4200 Examine welds 15, 16, 17, 18, 19, 20 and 21.
15.
89.31 Leco 3 Reactor Coolant Pipe.
206 (1) 1-4300 Examine-welds 15, 16, 17, 18, 19 and 20.
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16.
B9.31 Looo 4 Reactor Coolant Pipe.
206 (1) 1-4000 Examine welds 15, 16, 17, 18, 19, 20, 21 and 22.
PROGRN4 IWC-2500-1 EXN41 NATION SKETCH IT84 REFERENCE ITEM SUBJECT TO EXN4INATION PROCEDURE REFERENCE VOL. SURF. VIS.
BORON INJECTION TANK 2-1200 17.
C1.20 Head Circumferential Weld 1 206 2-1200-18.
C1.20 Head Circur.ferential Wald 2 206 i
NOTES (1)' Surface examination performed by other than Westinghouse Inspection Services.
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IDENTIFICATION IDENTIFICATION l
WOLF CREEK COMPONENT DESCRIPTION WESTINGHOUSE 1-BB-01-F105 Steam Generator "A" Outlet 5
Nozzle to 31" Elbow 1-BB-01-F106 31" Elbow to 31" Pipe 6
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1-BB-01-S104-3 31" Pipe to 31" Elbow 7
1-BB-01-F108 31" Elbow to 31" Pipe 8
I rd -d* Kb le) 1-BB-01-S104:5-3" Nozzle to 31" Pipe 17 1
1-BB-01-S104-6 2" Nozzle to 31" Pipe NA 1-BB-01-S105-4 31" Pipe to 31" Elbow 9
l-BB-01-F107 31" Pipe to RCP "A" Inlet 10 1-BB-01-F101 RCP "A" Outlet to 27 1/2" 11 I.D. Pipe r
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1-BB-01-S101-4 2 1/2" Thermocouple Boss to 27 1/2" Pipe 18 1-BB-01-S101-5 4" Nozzle to 27 1/2" Pipa 19
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1-BB-01-S101-7 10" Nozzle to 27 1/2" Pipe 20 1-BB-01-S101-8 3" Nozzle to 27 1/2" I.D. Pipe 21 1-BB-01-S101-9 3" Nozzle to 27 1/2" 1.D. Pipe 22 1-BB-01-S101-13 3" Nozzle to 3" x 1 1/2" Reducer NA l-BB-01-S102-3 12" Nozzle on 29" I.D. Pipe 15 1-BB-01-S102-6 21/2" Thennowell Boss to 29" 16 I.D. Pipe 1-BB-01-5102-2 29" Pipe to 29" x 31" Elbow 3
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IDENTIFICAT'ON IDENTIFICATION WOLF CREEK COMPONENT DESCRIPTION WESTINGHOUSE 1-BB-01-F104 29" x 31" Elbow to Steam Generator 4
A Inlet Nozzle 1-BB-01-S101-2 27 1/2" Pipe to 27 1/2" Elbow 12 1-BB-01-F103 Pipe to Safe End 13 1-RV-301-121-A Nozzle to Safe End 14 1-BB-01-F102 Pipe to Safe.End 2
1 1-RV-302-121-A Nozzle to Safe End 1
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IDENTIFICATION IDENTIFICATION WOLF CREEK COMPONENT DESCRIPTION
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1-BB-01-F205 S.G.B. Outlet Nozzle to 31" Elbow 5
1-BB-01-F206 31" Elbow to 31" Pipe 6
1 1-BB-01-S204-3 31" Pipe to 31" Elbow 7
1-BB-01-F208 31" Elbow to 31" Pipe 8
1-BB-01-S205-5 3" Nozzle to 31" Pipe 17 1-BB-01-S205'6 2" Nozzle to 31" Pipe NA 1-BB-01-S205-4 31" Pipe to 31" Elbow 9
l-BB-01-F207 31" Elbow to RCP "B" Inlet 10 1-BB-01-F201 RCP "B" Outlet to 27 1/2" I.D. Pipe 11 1-88-01-5201-3 2" Socket Weld Boss to 27 1/2" I.D.
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l-BB-01-5201-4 21/2" Thennocouple Boss to 271/2" 18 I.D. Pipe 1-BB-01-S201-5 4" Nozzle to 27 1/2" I.D. Pipe 19 l-BB-01-S201-7 10" Nozzle to 27 1/2" I.D. Pipe 20 1-BB-01-5201-8 3" Nozzle to 27 1/2" 1.D. Pipe 21 1-BB-01-S201-1-5 3" Nozzle to 3" x 1 1/2" Reducer NA 1-BB-01-5201-2 27 1/2" I.D. Pipe to 27 1/2" I.D. Elbow 12 1-BB-01-5202-3 6" Nozzle to 29" I.D. Pipe 15 l
1-BB-01-5202-4 21/2" Thennowell Boss to 29" I.D. Pipe 16 1-BB-01-S202-2 29 Pipe to 29" x 31" Elbow 3
1-BB-01-F204 29" x 31" Elbow to Steam Generator B 4
Inlet Nozzle BB-01-F203 Pipe to Safe End 13 0
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. IDENTIFICATION WOLF CREEK COMPONENT DESCRIPTION WESTINGHOUSE 1-RV-301-121-B Nozzle to Safe End 14 1-BB-01-F202 Pipe to Safe End 2
1-RV-302-121-B Nozzle to Safe End 1
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IDENTIFICATION IDENTIFICATION WOLF CREEK COMPONENT DESCRIPTION WESTINGHOUSE 1-BB-01-F305 S.G.C. Outlet Nozzle to 31" I.D.
5 Elbow 1-BB-01-F306 31" Elbow to 31" I.D. Pipe 6
1-BB-01-S304-3 31" I.D. Pipe to 31" I.D. Elbow 7
l-BB-01-F308 31" I.D. Elbow to 31" I.D. Pipe 8
1-BB-01-S304-5 3" Nozzle to 31" I.D. Pipe 17 1-BB-01-S304-6 2" Nozzle to 31" I.D. Pipe NA 1-BB-01-S305-4 31" I.D. Pipe to 31" I.D. Elbow 9
1-BB-01-F307 31" I.D. Elbow to RCP "C" Inlet 10 1-BB-01-F301 RCP "C" Outlet to 27 1/2" I.D. Pipe 11 a
1-BB-01-S301-3 2" Socket Weld Boss to 27 1/2", Pipe NA 1-BB-01-S301-4 2 1/2" Thermocouple Boss to 27 1/2" 18 s
Pipe 1-BB-01-S301-5 3" Nozzle to 27 1/2" I.D. Pipe 20 1-BB-01-S301-9 3" Nozzle to 3" x 1 1/2" Reducer NA 1-BB-01-5301-6 10" Nozzle to 27 1/2" I.D. Pipe 19 1-BB-01-S301-2 271/2" I.D. Pipe to 271/2" I.D. Elbow 12 1-BB-01-S302-3 6" Nozzle to 29" I.D. Pipe-15 1-BB-01-S302-6 21/2" Thennocouple Boss to 29" I.D.
16 Pipe 1-88-01-S302-2 29" Pipe to 31" x 29" Elbow 3
1-BB-01-F304 31" x 29" Elbow to Steam Generator "C" 4
Inlet Nozzle (O
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s REACTOR COOLANT SYSTEM LOOP-3 COMPONENT COMPONENT IDENTIFICATION IDENTIFICATION WOLF CREEK COMPONENT DESCRIPTION WESTINGHOUSE f
1-BB-01-F303 Pipe to Safe End 13 5
1-RV-301-121-C Nozzle to Safe End 14 1-BB-01-F302 Pipe to Safe End 2
1-RV-302-121-C Nozzle to Safe End 1
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REACTOR COOLANT' SYSTEM LOOP-4 COMPONENT COMPONENT IDENTIFICATION IDENTIFICATION
-COMPONENT DESCRIPTION WESTINGHOUSE WOLF CREEK 1-BB-01-F404 31" x 29" Elbow to Steam Generator 4
"D" Inlet Nozzle 1-BB-01-F405 S.G.D. Outlet Nozzle to 31" I.D.
5 Elbow 1-BB-01-F406 31" I.D. Elbow to 31" I.D. Pipe 6
1-BB-01-5404-3 31" I.D. Pipe to 31" I.D. Elbow 7
I 1-BB-01-F408 31" I.D. Elbow to 31" I.D. Pipe 8
1-BB-01-S405-5 3" Nozzle to 31" I.D. Pipe 18-i 1-BB-01-S405-6 2" Nozzle to 31" I.D. Pipe NA 1-BB-01-S405-4 31" I.D. Pipe to 31" I.D. Elbow 9
1-BB-01-F407 31" I.D. Elbow to RCP "D" Inlet 10 1-BB-01-F401 RCP "D" Outlet to 27 1/2" I.D. Pipe 11 1-BB-01-5401-3 2" Socket Weld Boss to 27 1/2" I.D.
NA Pipe 1-B8-01-5401-4 21/2" Themocouple Boss to 271/2" 19
.I.D. Pipe 1-BB-01-S401-5, 3" Nozzle to 271/2" I.D. Pipe 20 1-BB-01-5401-7 10" Nozzle to 27 1/2" I.D. Pipe 21 1-BB-01-S401-6 3" Nozzle to 27 1/2" I.D. Pipe 22 1-BB-01-5401-10 3" Nozzle to 3" x 1 1/2" Reducer NA 1
1-B8-01-5401-2 27 1/2" I.D. Pipe to 27 1/2" I.D.
12 Elbow 1-88-01-5402-3 14" Nozzle to 29" I.D. Pipe 15 1-B8-01-5402-5 2 1/2" Thermocouple Boss to 29" I.D.
17 Pipe
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COMPONENT COMPONENT IDENTIFICATION IDENTIFICATION WOLF CREEK COMP 0NENT DESCRIPTION WESTINGHOUSE 1-BB-01-S402-4 12" Nozzle to 29' I.D. Pipe 16 1-BB-01-S402-2 29" I.D. Pipe to 29" x 31" Elbow 3
1-BB-01-F403 Pipe to Safe End 13 1-RV-301-121-D Nozzle to Safe End 14 1-BB-01-F402 Pipe to Safe End 2
1-RV-302-121-D Nozzle to Safe End 1
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PRESERVICE INSPECTION lf FOR
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PROCEDURE APPROVAL WOLF CREEK NUCLEAR POWER STATION UNIT NO.1 The following procedures, as indicated below, haw been reviewed and found to be acceptable for preservice examination. These procedures are based on and in accordance with the 1977 Edition Section XI of the ASME Boiler and Pressure Vessel Code up to and including Sumer 1978 Addenda.
Procedure No.
Revision and Date Amendment Field Chance OPS-NSD-101 Rev. 5 04/08/75 03 08/07/79 None to Date NSD-ISI-10 Rev. 6 11/01/83 ISI-206 Rev. 0 08/13/82 3
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Prepared By: WESTINGHOUSE ELECTRI_C CORPORATION
-W Approval:
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AuthorizedInspector,),Ii Approval:
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Date a-< T+t k & L... d A A J 1
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OPS-NSD-101 5
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Change No.
1 j
Sheet 1 of 2
SERVICE ACTIVITY i
PROCEDURE FIELD CHANGE WOLF CREEK - UNIT #1 j
PLANT:
1 i
REASON / APPLICABILITY:
OPS-NSD-101 Rev. 5 Incorporation of upgraded calibration data sheet.
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CHANGES:
Page #13: Replace with Field Change #1, Sheet 2 of 2.
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6 Follow instructions per pages 10 through 12 for blocks that are numbered on replacement sheet. For blocks that i
are not nu=bered, record the information required per individual block instruction as noted per sheet 2 attached.
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WESTINGHOUSE NUCLEAR SERVICE DIVislON INSPEC:-ION SERVICES SYST / COMP.
PROCEDURE 7
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WELD ULTRASONIC EXAMINATION EXAMINER { LEVEL D)
DATE PRESERVICE gg J
M R AIGili BE AM SCANg AXI AL SCANS CIRCUMF E RE NTI AL SCANS CAllDRATION CHECK EOulPMENT TRANSDUCER DIRECTION O l
DillECTIO*JS 2 & 5 DlHECTIONS 7 & 8 INITI AL TIME f.NST. S/N S/N
//
SIZE
/[
l F F4 0
/&
ANGLE
/7 DISTANCE FROM DISTANCE FROM 9j IEP. RATE
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4 SIGN A L SWEEP SIGNAL SWEEP SCRIDE AIEF. LINE TO SIGNAL SWEEP SCRIBE /REF. I.INE TO g g D0 FE L CT AMPLITUDE POSITION AMPLITUDE POSITION 50% DAC AMPLITUDE POSITION 60% DAC L C ATION PEAK PEAK LOC AT ao rJS LOC A TIONS EJECT 3/
3AMPING 9
7/
72 7T 74
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/ (7 Np 4U M
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9 ILTER
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M FINAL TIME
.IN. CH ECK CAL. 0 LOCK THICKNESS
'OUPLANT O
TEMP.
CAL gag [_
EXAMINATION LIMITATIONS AND BASE SCAN DillECTION CROWN RESULTS WELD TEMP.
METAL REQUIRED VOLUME NOT EXAMIN ABLE REMARKS CONFIGUR ATION NI NRI R1 NUMBER SCAN 2
5 7/8 0
(ESTIM ATED %)
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6 44 W 14 47 4'8 ro 3~/ s/ 5/
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Revision 5 Page 10 -
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APPE;0!X A
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-V ULTRASC:!IC EXNIIt!ATIO! DATA The ultrasonic examination report form shall be ccmpleted in accordance with the following requirements.
(Pefer to the attached sample form for block number references.)
Block flo.
Infomation Required 1
Enter Plant name 2
Enter Plant unit number 3
Enter Date of examination v
4 Enter Examination procedure nunber
'J 5
Enter Plant Technical Specification reference item number applicable to area being examined (to be entered by the data coordinator) 6 Enter Unit loop identity (if applicable) 7 Enter Identity of com;>onent or system A
Enter Size of pipe, diameter and schedule 9
Enter Sketch or Iso nuuber 10 Enter Held type (i.e. circ. butt weld) 11 Enter Calibration Block Identification fiumber 12 Enter scarch unit cabic length 13 Make no entry if the examination is conducted frca the
(-
p-0.0. surface of a pipe or ccmponents.
Identify
. /]
cxamination surface if other than these.
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14 Enter search unit serial nunber 15 Enter scarch unit size 16 Enter search unit frecuency 17 Enter search unit beam angle (i.e. 0, 45* or 60 etc.)
18 Enter calibration reference reflector location (i.e.1/4T, 1/2T, 3/4T, etc. or as nodo refercace 1/8,2/8,3/8etc.)
19, 21 & 25 Enter signal amplitude from reference reflector as a percentage of full ~ screen height 20, 22 & 26 Enter the lccation of the reference reflector signal along the horizontal axis of the CRT screen (i.e. sweep location) 23 & 27 Enter the distance from the search unit sound exit point to the point on the block surface, vertically above the the location of the reference reflector, when the search unit is positioned for the maximua reference response.
24 a 28 Enter the distance from the scarch unit sound exit point to the-point. an the block surface, vertically above the location of the reference reflector, when the search unit is ;ositioned to cbtain a rescense of 50 percent of that frem the referer.ce res;:nsa.
flote:
.Infomaticn required for items 23, 24, 27 and 28 above is only to be recorded when specifically required by the Inspection Program Coordinator cr his designate.
O/
OPS-NSD-101 Cevision 5 Page 11 R.,
rh Block No.
Information Required 29 Enter ultrasonic instrument identity 7
30 Enter the U.T. instrument Rep. Rate setting when calibrated 31 Enter the U.T. instru.nent Reject Control setting when calibrated 32 Enter the U.T. instrument Damping Control setting when calibrated 33 Enter the U.T. instrument Filter Switch settinq " hen calibrated 34 Enter the time of initial calibration and subsequent calibration checks together with the initials of the operator 35 Indicate if continuation sheet (s) have been utilized for recording weld examination data.
36 Indicate if exanination transfer data sneets have been completed for welds covered by this data sheet.
37 Indicate if any field changes are applicable to tne procedure utilized for the performance of the examination 38 Operators signature certifying the examinations have been performed in accordance with the requirements of the referenced procedure and field changes.
39 Enter the gain control settinc of the U.T. instrument af ter calibration 40 Enter the 0.B. control set-ir.gs of the U.T. instrument after calibration 41 Enter the identity (as niven on the referenced sketch) of the 59 wcld being examined.
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42 If a transfer is found to be necessary, indicate by entering
^
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a 'Y' in this space.
If not necessary ir. icate by entering a ' '. Ensure that a tecnsfer cata sheet is completec and indicate its attac!: ent in space 36.
43
. Indicate that the rcquired straight b.y exa..ination of the area to be examined has been perfomed.
44, 45 & 46
- Indicate here that the recuired angle beam examinations have been perfomed.
47 Indicate here if calibrated straight beam examination has been perfomed.
48 Indicate in these spaces that the required examinations haver been performed. Enter any limitations preventing the perfomance of the required exc:ainations such as obstructions due to pipe supports, etc.
Indicate approximate extent of limitaticn.
49 Indicate condition of the base metai adjacent to the weld, i.e. a~s cast; hand ground, etc.
50 Indicate the condition of the ucld su. face; i.e. as welded; ground flat, etc.
51 Indicata the results of the ultrasonic examination by inserting the notation '*!I' if no indicaticns greater than 20 percent of the primary reference GAC were noted. Signify by insercing the notation 'RI' if indications with an amplitude greater than 75 ;>arcent of the primary reference response S
Indicate in space 48 by the designation 1./A if examinations in scan
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directions 7 and S have to be conducted utilizing the low angle approach described in paragraph 4.4.2.2 of Procedure ISI-5 or 7.4.1 of ISI-47.
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1 Block flo.
Information Required 4
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are noted.
Ensure that an uitrasonic indication data sheet is completed for each such indication. Should indications be found which are greater than 20 percant, but not exceeding 75 percent of the primapy reference response this shall be indicated by inserting the notation '!;RI' in the space provided, i
52 Indicate here if indications are noted as the result of perfonning an exataination in 'accordance with the requirements of Procedure 151-8. The results should l
be reported by inserting'the notations 'RI' or 'NI' as appropriate. Should indications. be reported, a visual examination report chart shall be ccmpleted and attached (See Appendix G).
53 Enter any-information necessary to explain unusual examination problems. The presence of gccmetric reflectors, with an amplitude greater than the reccrding level, should 1
f be noted here with a brief indication of the approximate extent, i.e. Root reflector 75' max. for 360*.
ilote:
Ultrasonic examinatier data continuation sheets shall, if 1
utilized, alsn be completed i'n accordance with the above instructions as applicable to the twenty-two items of information required.
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IllSPECTIO!! PROCELURE:
OPS-NSD-101 DATE:
April 16, 1971 l'LAfir:
General CUSTOMER:
General PROCEDURE TITLE:
Preservice and Inservice Inspection Documentation i
(
i k Revision 1 Issued 03/01/74 Revision 2 Issued 03/25/74 i
Revision 2 Issued 08/04/74 Revision 4 Issued 02/09/75 Revision 5 Issued 04/08/75 i
t s
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APPROVED:
' l-(
E b:v'I<IJ4
(.
P. L. Ruddle, Manager i
Inspection Services
' (
l' s
A, I
OPS-IISD-101 Pevisinn 5 Pvie i m
PRESERVICE AtlD II: SERVICE IllSPECTI0tl DOCUtiEllTATI0tt c
1.n PliRPG5r This document describes ;he methods, nrocedures and special requirements for documentino and reporting the performance of non-r.echanized, non-destructive preservice and inservice examinations conducted in accordance with the recuirements of Section XI of the ASME Boiler and Pressure Vessel Code or any applicable USAEC Regulatory Guide.
4 2.0 SCOPF 2.1 The scone of examinations that are to be performed on all welds and/or areas of systens and comnonents shall be fully defined. in an Inspection Progran Plan prepared for each specific inspection
' 's proaran conducted at any Nuclear Power Plant Site.
2.2 Each Insoection Program document shall be identified by the use of the three letter aloha designation aonlicable to the plant at which the inspection is to be conducted.
2.3 Each Inspection Program document shall be further identified as
, to the specific progran which is to be conducted and the scheduled dates for performance.
P.4 Included in the Inspection Proqram document shall be isometric sketches identifyina each weld subfect to eranination in each pipino system and sketches identifyino all welds and areas sub.iect to examination on all vessels and components. Each sketch shall be individually identified as to the soecific plant and comnonent.
3.0 PERFORttAt!CE 3.1 All examinations shall be conducted in accordance with aoproved, l
)
written orocedures. The specific procedure to be utilized for
(
each weld or area shall be defined in the Inspection Pronram-I document.
cf n
urs-nsu-sui
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~
Revision 5 Page 2 l
3.2 To ensure consistency and reproducibility of examinations, all s/
data shall be recorded and reported in accordance with the following recuirements.
e 4.0 OATUM POINTS To ensure uniformity of the manner in which all indications are reported during the cerformance of non-mechanizid non-destructive examinations, their locations shall be referenced to an identifiable datum point.
5.1 Ort; ?.cints shall enly be established in the event that recordable indications are to be reported.
- 1. 2 Datum coints shall either be permanently marked on the comoonent or the location adaouetely described sucF that subr.equent re-locrtion of the area can be achieved within an accuracy of 0.5 incu.s.
a.3 When rermanent rarkina of datum points is to be performed the point shall be denoted by a capital letter D and shall be aoplied I
in accordance with the recuirements of }f Process Specification -
P3PA0 LA, "Recuirements for Marking of Peactor Plant Components and Pinina".
A.A The locations of datun points shall be established in accordance with the following rules.
4.3.1 For horizontal pioelines (Ref. Fig.1) the datum point shall be located on the intersection of the weld centerline and the too centerline of the pipe.
4.4.2 For vertical pipelines the datum ooint shall be located or the intersection of the weld centerline and the centerline throuch the outside (extrodos) of the elbow or bend that is in the direction of the lower weld identification number.
4.4.3 For vessel or comnonent circumferential welds the datum point shall be located on the intersection of the weld centerline and the centerline of the adjacent lonaitudinal weld. Should there be more than one, or no, adjacent lonaitudinal weld, the location of the datum point shall be pradetermined and indicated
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on the vessel or component weld iden'tification sketch.
~-
v OPS-NSD-101 Revision 5 Page 3
-O 4.4.4 For vessel longitudinal welds the datun point shall be located at the intersection of the weld centerline and the centerline of the intersectino enner circumferential weld. For horizontal vessels, one end of the vessel shall be identified as the " top" of the weld identification sketch.
4.5 Reference points may be established along the centerline of any weld to avoid the recessity of relating the location of indications back to the datum point for extensive distances.
A.S.1 Reference points, if utilized, shall be located on the centerline of the weld and shall be placed at an exact number of feet from the datum point.
d.5.2 Reference points shall be either permanently marked or the location described in the same manner as specified in paragraph A.2 above.
a.5.3 When pemanent marking of refe-ence points is to be per.
l formed, the point shall be denoted by the use of a canital letter R with a numeral to indicate the snecific number of feet measured from the datum coint.
5.0 DATA RECORDING The locations of all reportable indications noted during the performance of non-destructive examinations shall be recorded with reference to datum points established in accordance with Section 4.0 of this document.
5.1 The length and location of all indications parallel to the weld shall be recorded by the distance alono the axis of the weld from the datum (or related reference) ooint, to each end of the indication j
(starting and finishing points defining the length).
5.2 The depth and width and location of all indications parallel to the weld shall be recorded by the perpendicular distance from'the centerline of the weld to each ::ide of the indication (starting and finishing points definina the width).
--4
urs-nsu-sui
.s
.m Revisien 5 Paga 4 lk 5.3 The length and location of all indications transverse to the weld shall be similarly recorded by the perpendicular distance from the centerline of the weld to eacn end of the in'dication.
5.4 The depth and width and location of all indications transverse to the weld shall be similarly recorded by the distance along the axis of the weld from the datum or related reference point to each side of the indication.
5.5 All measurements between a datum point and an indication circumferential1y around a vessel or pipe weld shall be taken in a clockwise direction.
(In the same direction as examination scan 7.)
5.6 The clockwise direction shall be established as viewed from the top of a vessel or with the directional arrow in piping systems (viewed in the direction of examination scan 5).
5.7 The length and width (depths) of ultrasonic indications shall be determined to the points where the signal amplitude response falls to a value of 50 percent of the calibration DAC level (DAC plus 6 db).
]
5.8 All measurements of ultrasonic indications shall be referred to the point of sound entry of the search unit or the centerline of the search unit, whichever being applicable.
5.9 llhen an indication located transverse to the weld is found to i
extend either side of the datum reference point, the distances from the datum to the ends, shall be identified as to the direction
.of measurement. This shall be achieved by utilizing the scan direction reference identities applicable to the side of the weld in conjunction with the measurement.
(i.e. 4" (2), 6 1/2" (5) etc.)-
5.10 An indication is defined as any ultrasonic response where the amplitude visibly exceeds the ultrasonic noise level.
6.0 DATA REPOP. TING All information with respect to the performance of non-destructive examinations shall be reported on the data sheets similar to those attached in the Appendices of this document.
-w
OPS-NSI)-if)I Revision 5 Poqe 5 c
6.1 All information applicable to the calibration of ultrasonic equipment prior to the performance of examinations shall be reported on the Ultrasonic Examination Report sheet in accordance with the requirements of Appendix A.
6.2 All information applicable to the examination of piping system, vessel or component welds shall be reported on the Ultrasonic Examination Report sheet in accordance with the requirements of Appendix A.
6.3 All information applicable to the evaluation of indications tn be recorded during the perforrr.ance of ultrasonic examinations shall be reported on the Ultrasonic Indication Data Sheet in accordance with the requirements of Appendix B.
6.4 Should a transfer be found necessary during the performance of ultrasonic examination the information shall be recorded on the Ultrasonic Examination Transfer Record in accordance (S
with the requirements of Appendix C.
]V 6.5 The performance of instrument calibration as required prior to the examination of welds in accordance with Procedure -ISI-47 shall be reported as required by Appendix D.
6.6 All information applicable to the surface examination of butt welds, socket welds, partial penetration welds and clad surfaces shall be reported on the Weld Surface Examination Data sheet included in Appendix E.
Indications recorded during the per-formance of surface examinations may be pictorially represented on the surface inspection record charts in accordance with the requirements of Appendix F or reported by the use of photographs.
The verification of performance of visual examinations conducted 6.7 concurrently with ultrasonic or surface examinations shall be reported in the applicable space provided in the Weld Examination Summary Sheets.
6.8 Indications recorded during the performance of visual examinations of welds shall be recorded on the Visual Examination Indication Record sheet in accordance with the requirements of Appendix G.
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C %- % -Iul Revision 5 s
Page 6 6.9 All information applicable to the ultrasonic examination of
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bolts, studs and nuts shall be reported on the ultrasonic examination report ila accordance with the equirements of Appendix H.
Indications recorded during the perfomance of the ultrasonic examinations of studs, bolts and nuts shall be reported on the ultrasonic indication report in accordance with the requirements of Appendix I.
6.10 The results of visual examinations, other than those listed above, shall be reported in accordance with the requirements of Appendix J.
6.11 The results of ultrasonic or surface examinations other than those listed above shall be reported in accordance with the requirements of Appendix K.
7.0 EXAltitlATION EQUIPMETE Records shall be made of the equipment and consumables utilized
'b for the performance of an inspection program and documented on the foms attached in Appendix L.
7.1 A record shall be made of the manufar.turer, model and serial number of each ultrasonic flaw detection instrument and its attachments utilized for the performance of examinations during any individual inspection program.
7.2 An identification symbol or ntaber shall be assigned to each ultrasonic instrument and be included in the above record.
This identification symbol (or number) may be used to indicate on the data sheets which individual instrument was utilized for the performance of the examination.
7.3 A record shall be made of the size, material and, heat number of all calibration standards utilized for the performance of ultrasonic examinations. Each standard shall be given a unique identification applicable to the individual plant and the size of pipe or component.
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- _ = _. -. - _ _.
OPS-flSD-101 3
Revision 5 Pane 7 i
(
i 7.4 A record shall be made of the manufacturer, (or trade name),
type and batch number of consumable materials, such as dye l
penetrants and couplant materials, utilized for the performance of examinations at a plant site.
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- Weld #3 DATUM Tor vertical
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REFERENCES Examination Reference Key VESSELS - As viewed frcm " TOP" Circumferential Welds - Direction 7 points clockwise Vertical tields'
- Direction 7 points down PIPE - As viewed in direction of orientation arro'v (toward face of clack)
Circumferential Welds - Direction 7 points clockwise Vertical t! elds
- Direction 7 points in direction of arrow y
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OPS-NSD-101
.m R: vision 5 Page 10 k
APPENDIX A ULTRASONIC EXAMINATION DATA r
The ultrasonic examination report form shall be completed in accordance with the following requirements.
(Refer to the attached sample fonn for blockneberreferences.)
Block No.
Infonnation Required 1
Enter Plant name 2
Enter Plant unit number 3
Enter Date of examination 4
Enter Examination procedure neber 5
Enter Plant Technical Specification reference item neber applicable to area being examined (to be entered by the data coordinator) 6 Enter Unit loop identity (if applicable) 7 Enter Identity of component or system 8
Enter Size of pipe, diameter and schedule 9
Enter Sketch or Iso n eber 10 Enter Weld type (i.e. circ. butt weld) li Enter Calibration Block Identification Number 12 Enter search unit cable length 13 Make no entry if the examination is conducted from the T
0.D. surface of a pipe or components.
Identify
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examination surface if other than these.
14 Enter search unit serial neber 15 Enter search unit size 16 Enter search unit frequency 17 Enter search unit beam angle (i.e. 0, 45 or 60 etc.)
18 Enter calibration reference reflector location (i.e.1/4T, 1/2T, 3/4T, etc. or as node reference 1/8, 2/8, 3/8 etc.)
19, 21 & 25 Enter signal amplitude from reference reflector as a percentage of full screen height 20, 22 &-26 Enter the location of the reference reflector signal along the horizontal axis of the CRT screen (i.e. sweep location) 23 & i./
Enter the distance from the search unit sound exit point to the point on the block surface, vertically above the the location of the reference reflector, when the search unit is positioned for the maximum reference response.
24 & 28 Enter the distance from the search unit sound exit point to the point on the block surface, vertically above the location of the reference reflector, whei. the search unit is positioned to obtain a response of 50 percent of that from the reference response.
Note:
Information requirtd for items 23, 24, 27 and 28 above is only to be recorded when specifically required by the Inspection Progrdm Coordinator or his designate.
e OPS-NSD-101 P,evision Se Page 11 V
Block No.
Information Required 29 Enter ultrasonic instrment identity 30 Enter the U.T. instrument Rep. Rate setting when calibrated 31 Enter the U.T. instrument Reject Control setting when calibrated 32 Enter the U.T. instrument Damping Control setting when calibrated 33 Enter the U.T. instrment Filter Switch setting when calibrated 34 Enter the time of initial calibration and subsequent calibration checks together with the initials of the operator 35 Indicate if continuation sheet (s) have been utilized for recording weld examination data.
36 Indicate if examination transfer data sheets have been completed for welds covered by this data sheet.
37 Indicate if any field changes are applicable to the procedure utilized for the performance of the examination 38 Operators signature certifying the examinations have been perfomed in accordance with the requirements of the referenced procedure and field changes.
39 Enter the gain control setting of the U.T. instrument after calibration 40 Enter the D.B. control settings of the U.T. instrument after calibration 41 Entee the identity (as given on the referenced sketch) of the weld being examined.
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42 If a transfer is found to be necessary, indicate by entering a 'Y' in this space.
If not necessary indicate by entering a 'N'.
Ensure that a transfer data sheet is completed and indicate its attachment in space 36.
43 Indicate that the required straight beam examination of the area to be examined has been perfomed.
44, 45 & 46
- Indicate here that the required angle beam examinations have been perfomed.
47.
Indicate here if calibrated straight beam examination has been perfomed.
48 Indicate in these spaces that the required examinai. ions have been perfomed. Enter any limitations preventing the perfomance of the required examinations such as obstructions due to pipe supports, etc. Indicate approximate extent of limitation.
49 Indicate condition of the base metal adjacent to the weld, i.e. as cast; hand ground, etc.
50 Indicate the condition of the weld surface; i.e. as welded; ground flat, etc.
51 Indicate the results of the ultrasonic examination by inserting the notation 'NI' if no indications greater than 20 percent of the primary reference DAC were noted. Signify by Inserting the notation 'RI' if indica; ions with an amplitude greater than 75 percent of the primary reference response l p l C/
Indicate in space 48 by the designation L/A if examinations in scan directions 7 and 8 have to be conducted utilizing the low angle approach described in paragraph 4.4.2.2 of Procedure ISI-5 or 7.4.1 of ISI-47.
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OPS-NSD-101 Revision 5 Page 12 Os Block llo.
Information Required are noted. Ensure that an ultrasonic indication data sheet is completed for each such indication'.
Should indications be found which are greater than 20 percent.
but not exceeding 75 percent of the primary reference response this shall be indicated by inserting the notation 'NRI' in.the space provided.
52 Indicate here if indications are noted as the result of perfonning an examination in accordance with the requirements of Procedure ISI-8. The results should be reported by inserting the notations 'RI' or 'NI' as appropriate. Should indications be reported, a visual examination report chart shall be completed and attached (See Appendix G).
53 Enter any infonnation necessary to explain unusual examination problems. The presence of geometric reflectors, with an amplitude greater than the recording level, should be noted here with a brief indication of the approximate extent, i.e. Root reflector 75% max, for 360.
Ilote:
Ultrasonic examination data continuation sheets shall, if utilized, also be completed in accordance with the above instructions as applicable to the twenty-two items of T
p]
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OPS-flSD-101 Revision 5 Page 15
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APPENDIX B ULTRASONIC INDICATION DATA SHEET The ultrasonic indication data sheet shall be completed in accordance with the following requirements.
(Refer to the attached sample form for block number references.)
Block _No.
Infonnation Required 1
Enter plant name 2
Enter plant unit number 3
Enter date of examination 4
Enter unit loop identity (if applicable) 5 Enter identity of component or system 6
Enter sketch or Iso number 7
Enter identity of operator performing examination 8
Enter the thickness of the calibration standard utilized to establish the DAC 9
Enter examination procedure number 10 Enter the identity (as given on the referenced sketch) of the weld being examined 11 Measure and record here the distance from the reference 3
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datum point to the nearest end of the indication at the point where the response signal has reduced to an amolitude of 50 percent of the DAC.
12 Similarly measure and record the distance from the datum pcint to the furthest end of the indication 13 Measure and record the sound oath distance (depth) to the half amplitude point of the reflector nearest to the surface (i.e. minimum depth) la Measure and record the distance from the point of sound entry to the reference datum point in accordance with the requirements of Section 5.0 of this procedure at the minimum ~ depth location.
15 Measure and record the sound path distance to the half amplitude point of the reflector furthest from the surface.
(i.e. maximum depth) 16 Again measure and record the distance from the point of sound entry for maximum depth to the reference datum point.
17 Record the maximum signal response from the indication either as a percentage of DAC (i.e.1507) or in terms of the attenuation required to reduce the signal amplitude to the DAC level (i.e. DAC + 6db) 18 Record the search unit refracted angle in the material 19 Indicate the direction that the search unit is pointing when recording the indication. This may be achieved by utilizing the scan direction references of Figure 3 (i.e. 2, 5, 7 or 8)
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OPS-NSD-101 l
Ravision 5 l
Page 16
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Block No.
Information Required 20 Measure and record the base metal thickness on the side of the weld oonosite the direction of the ISO arrow.
21 Peasure and record the weld thickness at or near the center-line of the weld.
22 Measure and record the base metal thickness on the side of the weld in the direction of the ISO arrow.
l 23 Record any additional infonnation necessary to characterize the reflector.
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g urs-nsu-ius Revision 5 Page 18 APPENDIX C ULTRAS 0flIC TRANSFER DATA SHEET l
The ultrasonic transfer data sheet shall be comoleted in accordance with the following.
(Refer to the attached sample fona for block number references.)
Block flo.
Information Required 1
Date examination performed 2
Procedure utilized 3
Sionature of operator (s) performino the examination 4
Plant name 5
Plant unit number 6
Sketch or ISO number as applicable 7
Calibration reference level db value A
Db value from calibration block with amolitude at 80%
9 Db value from examination area with amolitude at 80%
in Db difference between A and B above 11 Enter the corrected reference calibration db value 12 List weld numbers for which the above transfer is applicable G(h 1
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OPS-NSD-101 Revision 5 I
I Page 19 l
U: Sili!!'.:;0t!' C i;UCI. EAR SI11VII.E 111Vl' Itsfl l>AI E
!!!',PECTI0tl SERVICES I
O Ull:1A50flIC TRA!!SFER DATA SilEET PROCI.0URE OPERATOR,,_J,_
UNIT f_ SKEICil/ ISO fl0..,_,,d,,,_,....,,__
PLNIT, _
DC VALUE EXAM. ITEM (B) 9 OB DIFFEREllCE BETHEEN A & B
/d IF (B) IS LESS THAfl (,'.) CHANGE REF. DB VALUE BY THIS Af10*JNT TO IllCREASE SEilSITIVITY.
IF (D) IS GREATER THAN (A) CHANGE THE REF. DB VALUE BY TilIS M100tlT TO DECREASE SEllSIiTVITY. RECORD CORRECTED REF. CAL. DB VALUE
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file AB1JE FRAllSFLR CORRECTION IS APPLICABLE TO UELD(S) r!UItC: RS:
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u urs-nsu-ive Revisicn 5 Page 20 APPENDIX D INSTRUMENT CALIRRATION DATA FOR WELDS e
2 1/2 INCHES THICK OR GREATER IN FERRITIC VESSELS The instrument calibration data sheet shall be comoleted in accordance with the followina reouirements.
(Refer to the attached samole form for block number references.)
Block No.
Information Required 1
Date of examination 2
Examination procedure number 1
Signature of operator 4
Plant name 5
Plant unit number 6
Make of instrument (Branson, Automation, etc.)
7 Instrument model number 8
Instrument serial number 4
Couulant used 10 Transducer size 11 Transducer frequency 12 Transducer serial number
^g 13 Beam angle (Q
14 Smaller sional amolitude with larger at 100*
I 15 Smaller sional amplitude with larger at 90" 16 Smaller sional amnlitude with larger at 80t 17 Smaller sianal amplitude with larcer at 70" 18 Smaller sianal amplitude with larcer at 60%
19 Smaller sional amplitude with larger at 50" 20 Smaller sienal amolitude with larger at 40',
21 Smaller sional amplitude with larger at 30%
22 Smaller sional amplitude with larger at 20" 23 Damoing control settina during above verification 24 Reject control setting during above verification 25 Rep. rate control setting during above verification 4
26 Signal amelitude change from 80% with -6db change 27 Signal amplitude change from 80" with -12db change 28 Signal arolitude change from 407. with +6db change 29 Signal amplitude chance from 20% with +12db change 30 Damping control setting during above verification 31 Reject control setting during above verification 32 Reo. rate control setting during above verification l
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1 Revision 5 Page 21 l' it'fCIIt):1 St.!:Vlt:ES P: f t.1:1ti!/..Y !!!5TRt;ill NT calli 1RAI10tl DAl A
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COUPLANT T
Al1GLE 13 N4PLITUDE LINEARITY VERIFICATION IST SIG:!AL NiPLITUDE 100%
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C0:lTROL RETTI: GS: DNIPIrlG 23 REJECT _.2_f____,_
REP. RATE 2S" Af4PLITUDE C0tlT::0,J.,LINEARITY VERIFICATION ORIGINAL-SIGNAL SIGNAL
-DB CONTROL SIGNAL R4PLITUDE N1PLITUDE CHANGE AMPLITUDE LIMITS 80%'FSH
-6DB 26 36 - 42 80% FSH
-12DB 27 16 - 22 40% FSH
+6DB
_2_g 76 - 84 20% FSH
+12DB
_2f 79 - 92 NOTE: MINUS DEllCTES DECREASE Ill N4PLITUDE; PLUS DENOTE INCREASE.
C0tiTROL SETTIflGS: DN4 PING 30 REJECT 3/
REP. RATE _ 3 _2.__
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APPENDIX E (V
SURFACE EXAMINATION OF WELDS e
The surface examination data sheet shall be completed in accordance with the following reouirements.
(Refer to the attached sample form for block number references.)
Block No.
Information Reouired 1
Examination procedure number 2
Signature of operator 3
Plant name 4
Plant unit number 5
Date of examination 6
Identity of component or system 7
Enter sketch or reference ISO number 8
Enter batch number of the dye penetra1t 9
Enter batch number of the developer 10 Enter batch number of the cleaner 11 Enter weld identity 12 Indicate in the appropriate column either NRI if no reoortable indications are noted or RI if reportable indications are noted.
If reportable indications are noted a Dye Penetrant Indication Record Sheet shall be completed and attached (See Aopendix E).
Indications
.O noted during the examination of clad surfaces may be reported by the use of photographic records.
13 Enter any additional information as necessary to fully describe the performance of the examination.
Identify any photographs utilized to provide a record of the examination results.
14 Indicate here if indications are noted as the result of performing a visual examination in accordance with the requirements of Procedure ISI-8.
Should indications be reported, a visual examination report sheet chart shall be completed and attached (See Appendix G).
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UPS-Nbu-lUI R:visien 5 Page 24 APPENDIX F SURFACE EXAMINATION INDICATIONS The surface examination indication record shall be comoleted in accordance with the followinq requirements.
(Refer to the attached sample form for block number references.)
3 Block No.
Information Required 1
Examination procedure number 2
Signature of operator 3
Plant name d
Plant unit number 5
Date of examination 6
Indicate on the chart the approximate location and size of the indication 7
Identify, either in degrees or by distance in inches from the datum coint, the location of the reference lines.
A Enter any information necessary to clarity the report or nature of the indication 9
Enter the identity of the comoonent or piping system 10 Enter the identity of the weld as given on the referenced sketch or ISO O.
11 Indicate the reference sketch or ISO
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DYE PEllLTRNIT lilDICATION RECORD
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APPENDIX G 1
VISUAL EXAMINATION INDICATION RECORD The visual examination indication record shall be completed in accordance with the following requirements.
(Refer to the attached samnle form for block number references.)
Block No.
Information Required 1
Procedure number used 2
Operators name 4
3 Plant name a
Plant unit number 5
Date examination performed 6
Component or r.iping system identification l
7 Weld number if applicable i
8 Sketch or isometric number as applicable 9
List any visual aids used 10 Enter any renarks necessary for clarification 11 Mark chart to show all information necessary to locate j
and characterize the indication beino reported i
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m OPS-USD-101 Revision 5 Page 29 AU APPENDIX H STUD, BOLT.AND NUT ULTRASONIC EXAMINATION The stud, bolt and nut ultrasonic examination report form shall be completed in accordance with the following requirements.
(Refer to the attached sample form for block number locations.)
Block No.
Information Required 1
Date of examination 2
Examination procedure number 3
Signature of Operator 4
Applicable sketch number 5
Plant name 6
Plant unit number 7
Loop number (if applicable) 8 Component identity 9
Ultrasonic instrument identification 10 Search unit size 11 Search unit frequency 12 Search unit serial number CJ
~
14 Record the amplitude of the first response from the calibration i
hole 15 Record the amplitude of the second response from the calibration hole 16 Record the amplitude of the second response from the calibration hole after the instrument gain has been increased (i.e. 12db out) 17 Similarly record the amplitude of the third response 18 Similarly record the amplitude of the fourth response 19 Similarly record the amplitude of the fifth response 20 Similarly record the amplitude of the sixth response 21 Similarly record the amplitude of the seventh response 22 Similarly record the amolitude of the eighth response 23 Enter time of original calibration and each additional calibration check 24 Enter item identification number 25 Check mark the NRI box if no reportable indications are noted. Check the RI box if reportable indications '
are noted and complete a " Studs, Bolts, and Nuts Ultrasonic Indication Report" Sheet.
(Refer to Appendix I) 26 Enter anf information necessary for clarification 27 2nter a ch :k mark in either the " Sat" or "Unsat" column as applicable.
If "Unsat" is checked, complete a
" Visual Examination Indication Record" Sheet.
(Refer to Appendix J)
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.C Page 30 INSPECTION SEko aES STUDS, BOLTS AND NUTS
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ULTRASONIC EXAMINATION REPORT p.
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,e OPS-NSD-101 Revision 5 Page 31 i(O APPENDIX I ULTRASONIC INDICATION REPORT STUDS, BOLTS & NUTS The studs, bolts, and nuts ultrasonic indication report form shall be completed in acccrdance with the following recuirements.
(Refer to the attached sanp?e form for block number locations.)
l Block Ho.
Information Recuired 1
Date examination performed 2
Procedure used 3
Operator (s) performing the examination 4
Enter sketch or drawing identification number as applicable 5
Plant name 6
Plant unit number 7
Enter loop number 8
Enter component name and number 9
Record maximum indication signal amplitude 10 Record indication penetration into the material 11 Enter indication location' from one end, indication circum-ferential location, and length of indication
(- s) 12 Indicate by.the use of a~ sketch the.aporoximate location of indications
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CIS-flSD-101 Revision 5 Page 33 APPENDIX J e
VISUAL EXAMINATION REPORT The results of visual examinations of supports, hangers, restraints, studs, nuts, bolts, washers, clad patches and interior surfaces of pumps and valves shall be reported in accordance with the following requirements.
(Refer to the attached sample form for block number locations.)
Block fio.
Information Required 1
Plant name 2
Unit number 3
Date of examination 4
Examination Procedure 5
Signature of operator 6
- 1. cop number (if applicable) 7 Identity of system or component 8
Sketch or ISO number 9
Identity of item to be examined 10 Indicate the results of the examination by, inserting O
't!RI' if no reportable indications are noted or O
'RI' if indications are found.
I 11 Identify any visual aids utilized to facilitate the exmination of each item.
12 Identify any conditions affecting the performance of the examination. Describe any reportable indications or identify any separate sheet or photograph utilized to record indications.
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WESTINGHOUSE NUCLEAR SERVICE DIVISION INSPECTION SERVICES VISUAL EXAMINATION e
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ITEM RESULTS VISUAL AIDS REMARKS
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OPS-NSD-101 Revision 5 Page 35 1
APPENDIX K The reactor coolant pump motor flywheel ultrasonic and surface examination data sheets shall ba completed in accordance with the following requirements.
The " Reactor Coolant Pumo Flywheel Data Sheet" form shall be completed in accordance with the following requirements.
(Refer to the attached sample form for block number locations.)
Block !!o.
Information Required 1
Date examination performed 2
Procedure used 3
Operator (s) performing the examination 4
Plant name 5
Plant unit number 6
Loop number 7
Make of instrument (Branson, Automation, etc.)
8 Instrument model number 9
Instrument serial number 10 Couplant used 11 Periphery examination transducer size 12 Periphery examination transducer frequency 13 Periphery examination trantducer serial no.
/g) 14 Gage hole examination transducer size 3 (>
15 Gage hole examination transducer frequency 16 Gage hole examination transducer serial no.
17 Ream bolt hole signal amplitude from upper plate 18 Ream bolt hole signal amplitude from lower plate 19 Bore signal amplitude from gage hole 20 Near ream bolt hole signal amplitude from gage hole 21 Far rear bolt hole signal amplitude from gage hole 22 Enter time of original calibration and each additional calibration check 23 Enter check mark here if no recordable indications are noted during peripiiery examination 24 Enter check mark here if recordable indications are noted durina ceriphery examination 25 Enter check mark if defects are noted and attach a " Flywheel Ultrasonic Indication Report" sheet.
(See Appendix F) 26 Enter check mark here if no reportable indications are noted during the keyway Erner examination 27 Enter check mark here if reportable indications are noted during the keyway corner examination 28 Enter check mark here if no reportable indications are noted during the r Hial gage hole examination.
29 Enter check mark here if reportable indicatians are noted during the radial gage hole examination 30 Enter check mark here if visual examination of the pump flywheel is satisfactory s
.v) 31 Enter check mark here if vi:;ual examination of the pump-flywheel is unsatisfactory and attach a " Visual
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Examination Indication Record" data sheet.
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ura-nau-sui R vision 5 e6 WESTINGHOUSE NUCLEAR SERVICE DIVISION DATE 1
INSPECTION SERVICES REACTOR COOLANT PUMP FLYWHEEL DATA SHEET PROCEDURE 1
OPERATOR 3
PLANT ll UNIT 5-LOOP G
EQUIPMENT INSTRUMENT TRANSDUCERS MAKE 7
PERIPHERY EXAM.
GAGE H0LE PROBE MODEL 8
SIZE ll SIZE l'i SERIAL NO.
9 FREQ.
l1 FREQ.
15 COUPLANT 16 SERIAL NO. l3 SERIAL NO.
I I, CALIBRATION 1.
PERIPHERY - REAM BOLT HOLE REFLECTION UPPER PLATE 17
% FSH LOWER PLATE 18
% FSH
( (.,)
2.
KEYWAY CORNER - SORE BACK REFLECTION 19
% (VERIFY 90% MIN.)
3.
RADIAL GAGE HOLE - REAM BOLT H0LE REFLECTION - NEAR 20
% FSH CALIBRATION CHECKS a.M FAR AI
% FSH EXAMINATION RESULTS 1.
PERIPHERY
- 1) NO RECORDABLE INDICATIONS A3
- 2) RECORDABLE INDICATIONS
.2/f SKETCH ATTACHED 25 2.
KEYWAY CORNER 1) NO RECORDABLE INDICATIONS
.24
- 2) RECORDABLE INDICATIONS 3*1 SKETCH ATTACHED J. 5 3.
RADIALGAGEH0LE1) NO RECORDA3LE INDICATIONS 18
- 2) RECORDABLE INDICATIONS c2'1 SKETCH ATTACHED AS
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SAT.
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UNSAT.
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OPS-NSD-101 l
Revision 5 Page 37 uO APPENDIX K (Cont'd) e i
The " Flywheel Ultrasonic Indication Report" form shall be completed in accordance with the following requirements.
(Refer to the attached sample form for block number locations.)
Block No.
Information Required 1
Date examination performed 2
Procedure used.
3 Operator (s) performing the examination 4
Plant name 5
Plant unit number 6
Loop number 7
Enter check mark after appropriate scan which detected the indication 8
Ind'cate the length of the indication 9
Indicate the indications depth of penetration into the flywheel 10 Enter check mark if indication is in top plate 11 Enter check mark if indication is in bottom olate 12 Indication signal amplitude
,O 13 Indicate on sketch all data necessary to locate the
.; t reported indication I
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INSPECTION SERVICES FLYWHEEL ULTRASONIC INDICATION REPORT PROCEDURE 1
k OPERATOR 3
PLANT 9
UNIT-5 LOOP
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SCAN:
PERIPHERY l
KEYWAY CORNER l
RADIAL GAGE HOLE' 1
INDICATION LENGTH 8
INDICATION DEPTH 9
INDICATION LOCATION - TOP PLATE 1O BOTTOM PLATE 11 INDICATION SIGNAL AMPLITUDE I1
% FSH INDICATE ON SKETCH BELOW APPROXIMATE LOCATION OF INDICATION.
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OPS-NSD-101 Revision 5 Page -39 APPENDIX X (Cont'd) e The " Surface Examination Flywheel Bore and Keyways" form shall be completed in accordance with the following requirements.
(Refer to the attached sample form for block number locations.)
Block No.
Information Required 1
Procedure number used 2
Operators name 3
Plant name 4
Plant unit number 5
Date examination parformed 6
Penetrant batch number 7
Developer batch number 8
Cleaner batch number 9
Enter Sat or Unsat as applicable 10 Enter any information necessary for clarification 11 Enter on sketch all information necessary to locate and characterize any reportable indications l
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F OPS-NSD-101 R3 vision 5 hge 40 IfESTIl!Gil00SE flUCLEAR SERVICE DIVISION IllSPECTION SERVICES 3
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Penetrant Developer T
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f EXN11l!ATI0ft RESULTS:
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OPS-NSD-101 Revision 5 Page 41 APPENDIX L i
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Records shall be made of the equipment and consumables utilized for the perfortrance of an inspection program and documented on the attached forms.
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IDENTIFICATION I
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IDEllTIFICATION.
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CALIBRATION BLOCKS BLOCK IDENTIFICATION SIZE OR SCHEDULE MATERIAL HEAT NUMBER 0
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EXAMIflATION CONSUMABLE MATERIALS
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OPS-NSD-101 REVISION 5 APPENDIX M PAGE 45 GENERAL INDICATION DATA The General Indication Data Report Fom shall be comoleted in accordance with the following reouirement. (Refer to the Attached Samole Fom for Block Number References).
l l
BLOCK NUMBER l
1.
Enter Plant Name.
2.
Enter Unit Number.
3.
Enter Sketch Number.
4.
Enter Identity of System or Component.
5.
Enter the Program Plan Number (at the election on the Data Coordinator).
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6.
Enter Examiner's signature.
j 7.
Enter date of Examination.
8.
Enter Examination Procedure Identification Number.
4 Mark the appropriate block by which the indication was detected.
- 10. Enter the unique identity of the area or item examined.
- 11. Complete this block -- per instructions on forms.
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PROCEDURE EXAMINER DATE DETECTE D BY U/T P/T M/T V/T IDENT NO.
e PROVIDT ?t:TflCif *JT thFOle.9 ATinN To pre,rngt'r (17E I OCAllON AND TYPF OF INDICATION. OFSCRtS4F F XTH A OR
$8't (.I At I r omr.tt tai is t ri ::i. : aizi ;r; ta g:s constiNt;. tr N1CTSiAftY INCLUDE SKETCil S*lOWINil Gi NiIIAL CD* IlCtJt: A llON UI i ll M uit.*.e s!' A
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OPS-NSD-101 Revision 5 Page 47 O
1 e
APPENDIX N i
I MAGNETIC PARTICLE EXAMINATION REPORT Magnetic particle examinations shall be recorded in accordance with the following requirements. Refer to the attached sample form for block number locations.
Block No.
Information Required 1
Plant name 2
Plant or unit number 3
Number of sketch. drawing, etc., that identifies the area or item examined.
4 Name of the system or component or title of sketch 5
Number of procedure used for the examination.
Include revision, amendment and field change numbers 1as applicable.
6 Identify magnetizing equipment used, such as model i
or type.
Include serial number 7
Ferromagnetic particles used, such as: gray powder No. XX; prepared bath No. XX, fluorescent bath No. XX, etc.
8 Amperes used for direct, coil, prods, etc., as applicable.
If not applicable, enter N/A.
9 Signature and Level of examiner. Signature and Level of certified aides is optional.
10 Date of report 11 Identify each item or area examine, as indicated in provision of block 3.
Identification may be grouped if all information furnished.is applicable to all; such as 1 thru 29 or 18 -
thru 54.
12 f4rk the appropriate column based on No Relevant Indications (NRI) or Relevant Indications (RI) detected.
If RI column is marked, complete an indication report form similar_ to Appendix Form.
13 Enter appropriate comments, if any, relative to examination problems or limitations, or which might be necessary to fully descri.be performance of examinations.
If continuous method was not practical, enter brief explanation.
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OPS-NSD-101.,
WESTINGHOUSE NUCLEAR SEMICE DIVIS10N Rsvision 5 INSPECTION SERVICE Page 48 MAGNETIC PARTICLE EXAMINATION
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A PROCEDURE SYST./ COMP.
d EQUIPMENT S
PARTICLE TYPE 7
-AMPERES EXAMINER (s) 9 DATE
/O ITEM RESULT 5 IDENT f RI RI COMMENTS
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Westinghouse Nuclear Services Division Inspecticn Services Westinghouse Electric Corporation P. O. Box 2728 Pittsburgh, PA 15230 PROCED'JRE ME!EE!!T APPLICABILIE Procedura ihnber Revision 1:tt.h::r/;.%: Rev. n5 04/03/7E OPS-NSD-101 f.mendment di.=bar 03 8-7-79 Procedure Title Preservice and Inservice Documentation.
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1.
Delete Amendment - 02 (Changes incoroorated herein as items 3 thru 6) t 2.
Change paragraph 5.0 Data Recording - To Read:
5.0 Ultrasonic Flaw Sizinq 3.
Change Paragraoh 5.7, at end of last line, (DAC plus 6DB) To Read:
(DAC minus 6DB) 4.
Chance Appendix A (Page 11) as follows:
Black 34 - Delete the words: Together with the initials of the onerator Block 37 - Add another sentence to read:
If none, enter ilone.
Blocks 44, 45 & 46 - Delete the asterisk
- and the explanation at bottom of page.
Block 51 - Add the following between the words "Exanination hv" on first line:
(Other than due to qe,ometry)
Block 52 - (Page 12) Change last sentence to read:
Should 'RI' be noted, a visual indication sheet (Appendix G, Page 23) shall be completed, however to minimize duplication, indication sheets need not be completed for indications that have creviously been re-corded (in accordance with the Examination Program Plant currently in
,q effect) as determined b.y the Examination Program Coordinator or his
[.b) designees.
A
U 2
of 2
Continuatien Sheet Page PROCEDURE AMENDMENT OPS-NSD-101 Procedure Number /Date 03 8-7-79 Amendacnt Number /Date 5.
Change Appendix E (Page 22) as follows:
Block 12 - Change fourth line reference, (See Anpendix E). to:
(See Appendix F)
Block 14 - Chanqe last sentence to read:
Should 'UNSAT' be noted, a visual indication sheet (Appendix G, Pace 28) shall be completed, however to minimize duplication, indication sheets need not be completed for indications that have previously been recorded (in accordance with the Examination Program Plant currently in ef fect) as determined by the Examination Program Coordinator or his desiqnees.
6.
Add Annendix M, (Page 45) as attached hereto.
7.
Add Aopendix N (Page 47) and Samole Form as attached hereto.
f/
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' N/' 4 Approved:
B. J. Lefebvre, Level III g
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FC AM 487 9 s
i PROCf DURE NUMBER fr Nuclear INSPECTION SERVICES t (G I W i
Service NSD-ISI-10 Rev. 6 Division NONDESTRUCTIVE EXAMINATION PROCEDURE TITLE QUALIFICATION OF ULTRASONIC MANUAL EQUIPMENT
'(
G Prepared By:
,)
B. J.' Lefebvr4 Level III
]
/
Approved By:
/
u-G. 4:. Efthymiou( Manager Inspection Service 0
3 f//,ctive November 1,1983 ys"' November 1,1983 i
NSD NSD-ISI-10 Rev. 6 (C
i QUALIFICATION OF ULTRASONIC MANUAL EQUIPMENT e
1.0 ULTRASONIC EXAMINATION INSTRINENTS The ultrasonic examination instrunents shall be portable battery operated with 8 hour9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> battery packs and battery chargers or portable A.C. operated units. The instrunent shall be of the pulse-echo type.
It shall generate, receive, and present on a cathode-ray tube (CRT) screen pulses in the frequency range from one to six megahertz (MHz). The presentation on the CRT screen shall be the " Video type" and characterized by a clean, crisp trace.
1.1 The horizontal linearity of the examination instrument shall be within plus or minus 5 percent over the linear range which shall extend for a minimum of 90 percent of the sweep length presented on the CRT screen.
1.2 The exami~ nation instrument shall have a calibrated gain control (attenuator) adjustable in discrete 1 or 2 decibel steps over a range of at laast 60 decibels. The accuracy of the gain control settings shall be within 1 DB, as determined in accordance with 2.3 (45 to 55% FSH).
l.3 The examination instrument shall be capable of maintaining a vertical linearity such that the calculated ratios determined from signals developed in accordance with 2.2, do not deviate by more than 0.2 through 90: of full screen height.
1.4 Examination instrument utilizing battery power should include internal stabilization resulting in no greater variation than plus or minus 1 decibel following warm-up during battery operating li fe.. There'shall be an alarm or meter incorporated in battery powered instruments to signal a drop in voltage prior to instrument shut-off because of battery exhaustion.
2.0 LINEARITY DETERMINATION The linearity requirements specified ir, the previous section shall be verified by performing checks utilizing a 2.25 MHz,1-inch maximum diameter straight beam search unit in accordance with the following:
Each check shall be accomplished with a straight beam transducer and a ferritic steel calibration block that is within 1/2 to 2 in, thick, and from which reflectors and reflector differences required to conduct the check can be achieved.
All readings must be estimated to the nearest 1". of full screen.
Instruments that do not incorporate an uncalibrated gain er se1sitivity control are exempt from the requirements of 2.3., but must meet requirements of 3.2.
l(
EFFECTIVE November 1, 1983 1 of 8 REVISED November 1,1983 DATE PAGE DATE
f NSD-ISI-10 Rev. 6 2.1 Hori7antal Linearity Horizontal linearity shall be checked, as follows:
a.
Place search unit on the test block and adjust the gain control to obtain clear multiple back surface reflections.
b.
Adjust the delay control (zero adjustment) to align the initial pulse with the left (zero) side of the CRT graticule and the first back reflection with the number 1 CRT graticule.
c.
Adjust the material calibration control to align the leading edge of the tenth multiple back surface signal with the right (10) side of the CRT graticule.
d.
Repeat steps (b) and (c) until the first received signal is aligned at one and the tenth is aligned at 10.
e.
Measure and record the distance along the horizontal sweep between the leading edge of each multiple back surface signal.
For 100 percent linearity the location of each signal should coincide with each of the ten marked divisions on the CRT graticule.
f.
Document results on fonn similar to that illustrated in Figure 1.
2.2 Vertical Linearity
~
With the instrument settings and test conditions as established in steps (a) (b) (c) (d) and (e) of 2.1 above check the vertical linearity by the following:
(sweep may be shifted for better readings) a.
Adjust the instrument gain such that the eighth multiple back surface signal is one division of screen height amplitude.
b.
Note and record the amplitude of both the eighth and ninth multiple back surface signals.
c.
Adjust the instrument gain to increase the eighth back surface signal to an amplitude of two divisions of screen height.
d.
Note and record the amplitude of both the eighth and ninth multiple back surface signals.
e.
Continue adjusting the instrument gain to progressively increase the amplitude of the eighth multiple back surface reflection by one division each time. Noting and recording the amplitudes of the eighth and ninth multiple signals g
between each progressive increase.
C gFFEcTIVE November 1, 1983 2 of 8 E'5E8 November 1, 1983 Past g
WESTimeGmeOWSE FORM 9430 PA 1914A
NSD-ISI-10 Rev. 6 2.2 (cont'd) f.
Continue until the eighth signal reaches full screen height.
g.
Document results on forms similar to that illustrated in Figure 2.
2.3 Attenuator/ Sensitivity Control The instrument calibrated gain control shall be verified by the following procedure.
a.
The calibrated gain control or switches of the instrument shall be set such that the calibrated gain is set at the minimum.
b.
The uncalibrated gain control shall be set at the maximum.
~
c.
Place the search unit on the calibration block and adjust the uncalibrated gain control to obtain at minimum or maximum amplitude settings a back surface response of 4 divisions amplitude. Multiple back surface signals may be utilized.
d.
Increase the calibrated gain by 2 DB.
e.
Note and record the amplitude of the selected back surface signal.
f.
By adjusting the uncalibrated gain control reduce the back surface signal to 4 divisions as before.
g.
Progressively increase the instrument calibrated gain in 2 DB steps, noting and recording the amplitude and re-setting to 4 divisions of screen height after every step.
h.
Continue until the change in response for each 2 DB incremental
, step has been recorded up to the maximum of the instrument.
i.
Document results on_ form similar to that illustrated in Figure 3.
3.0 SUPPLEMENTAL LINEARITY EVALUATION This section is intended to satisfy the " instrument" calibration requirements of the Edition and Addenda (if any) of Section XI of the ASME Boiler and Pressure Vessel Code that is specified in the Examination Program Plan that incorporates this document. This section will be performed at the beginning of each period of extended use or every three months, which ever is less.
Results are to be documented on a form similar to that illustrated in Figure 4.
Checks are to be conducted as follows.
j
(
EFFECTIVE November 1,1983 3 of 8 yesEn November 1, 1983 WESTINGe*OUSE FORM NSO PA 1914A
NSD NSD-ISI-10 Rev. 6 3.1 Screen Height Linearity Verification a.
Position the search unit on the calibration block so that indications can be observed from any 2 separate reflectors.
Adjust the search unit position to give a 2 to 1 ratio of amplitudes between the two indications, with the larger set at 80% of full screen height. Without moving the search unit, adjust sensitivity (gain) to successively set the larger indication from 100% to 20% of full screen height, in 10% increments (or 2 DB steps if a fine control is not available), and read the smaller indication at each setting.
The reading must be within 5% full screen height.
The readings must be estimated to the nearest 1% of full screen.
3.2 Amolitude Control Linearity Verification a.
Position the search unit on a calibration block so that any convenient reflector can be peaked and adjusted to 80% FSH.
With the increases and decreases in attenuation shown in the following table, the indication must fall within the specified limits.
Indication Indication set at % of DB Control limits, i of full screen Change full screen 805
- 6DB 32% - 48%
80%
- 12DB 16% - 24L 40%
+ 6DB 64% - 965 20%
+ 12DB 64% - 96%
NOTE:
Minus denotes decrease in amplitude; Plus denotes increase.
The readings must be estimated to the nearest 1% of full screen.
EFFECTIVE November 1,1983 4M8 f,y,E No M er 1 N
WESTINGMOUSE FOmM NSD PA 1914A
T NSD NSD-ISI-10 Rev. 6
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PROCEDU AE NUMBER.
A Nuclear INSPECTION SERVICES
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Service 151-206 Rev. O Division NONDESTRUCTIVE EXAMINATION PROCEDURE i
TITLE MANUAL ULTRASONIC EXAMINATION OF WELDS
(
,,y Prepared By:
B. M e 6 bvr Level III b
bMD Approved By:
m V A. Vano, Manager l
Inspection Service l(
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8-13-82 8-13-82 Rr ist" o
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Change No.
1
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Sheet 1 of 1 41{f.
3.u i'
SERVICE ACTIVITY,
PROCEDURE FIELD CHANGE
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PLANT:
WOLF CREEK - UNIT #1 F
?._
REA3ON/ APPLICABILITY:
ISI-206 Rev. 0
- .[
Incorporation of austenitic vessels greater than 2.0"
'{
thick that are required to be examined.
4; CHANGES:
Page 1, para. 1.1
-},h Change 2nd sentence to read:
"It is applicable to such welds
'3 in piping s,< stems (.25" to 6" thick), vessels of ferritic materials ' "S
(.25" to 2" thick) and vessels of austenitic materials (.25" to 4" r,
thick), any of which are either wrought or cast product forms."
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DATE Al/f//J iki TITLE OR POSITION 88Z CoaM*Ib MN#/4 DATE //f/dLT FOR THE UTILITY km/Mu DATE
/2 /c /83 I
TITLE OR POSITION
[t I' bh DATE AUTHORIZED INSPECTOR AU DATE D 4-E3 S.'/
(If Appropriate) i AGENCY
l.
MSD
^
15I-206 Rev. O I
MANUAL ULTRASONIC EXAMINATION OF WELDS 1.0 SCOPE 1.1 This procedure defines requirements for manual ultrasonic examination of full penetration circumferential and longitudinal butt welds, and l
adjacent base materials of these and fillet or corner welds.
It is applicable to such welds in piping systems (.25" to 6 " thick) and vessel materials (.25 to 2" thick), in ferritic or austenitic stecis of either wrought or cast product forms.
Technical contents are based on the ASME Code, including Section XI, IWA-2240, when dictated due to Code omissions and to implement uograded technology or good practice.
1.2 Procedure OPS-NSD-101, Preservice and Inservice Documentation, and the Examination Program Plan noted therein are considered part of this procedure and are to be used as applicable.
1.3 Examinations in accordance with this procedure are intended to satisfy volumetric examination requirements based on the applicable edition j
and addenda of ASME B and PV Code specified in the Examination Program Plan.
2.0 GENERAL REQUIREMENTS
(
l 2.1
(
Personnel performing examinations to this procedure shall be certified to at least LEVEL II for ultrasonic exam; nations, based on a written procedure prepared in accordance with SNT-TC-lA, as may be modified by the applicable ASME Section XI.
Personnel certified to any LEVEL for ultrasonic examinations may be employed as assistants.
2.2 Ultrasonic flaw detection instruments shall be of the pulse echo type with an A-Scan presentation and shall be qualified to the requirements of NSD-ISI-10 at the beginning of each period of extended use.
Quali-fications may be valid for a period not to exceed three months.
3 l
2.3 Piezoelectric transducers shall be in accordance with TABLE I and shall I
be capable of providing the applicable calibration as required herein.
2.4 Couplant shall be a suitable liquid, semi-liquid or paste, such as Echogel, Exosen, Sonotrace, Trim, Ultragel or glycerin, that is j
certified as containing not more than IL by weight, of residual sulphur and halogens.
2.5 The item to be examined, including the required extent of adjacent j
volume to be examined, shall be as defined in the Examination Program l
Plan. This information shall be provided to the examiner assigned to i
conduct the examination.
Examination of the required volume shall be to l
the maximum e'xtent practical.
For preservice examinations only, the l
l
)
extent that cannot be examined shall be noted.
See 9.0.
(
E ECTIVE 8-13-82 1 of 15 Eg' SED 8-13-82 9 y, PEE WESTINGHOUSE PORM NSD PA 1014A
NSO 151-206 Rev. 0 2.6 Transducer scan surfaces including the weld crown, shall be essentially V
free of dirt, spatter, paint, coatings and irregularities that impair smooth uninterrupted contact of the search unit and coupling of the sound beam into the material.
2.6.1 Surface condition, and access support (e.g., scaffolds, lighting, etc.) if required, shall be the responsibility of the utility.
2.7 Generally the examinations conducted in accordance with this procedure will be done from the 0.D. surface.
When examinations are to be con-ducted from an I.D. surface, calibration must be accomplished on the I.D. of the appropriate calibration block and noted on the report.
2.8 CALIBRATION BLOCKS 2.8.1 Calibration blocks shall be fabricated from the same product form and the same material specification as one of the materials in the weld assembly to be examined. Alternatively, for welds in
)
austenitic materials, material of an equivalent P-number or i
P-number grouping may be used.
Calibration blocks and the general items for which they are applicable shall be as listed in the Examination Program Plan.
2.8.2 Calibration blocks shall be of the same nominal diameter and nominal wall thickness as the item to be examined, and shall contain notch reflectors.
Notch depth shall be in accordance with the applicable code.
1 Alternatively, for austenitic material and for vessels; (1) reflectors may be side drilled holes, (2) for materials with diameters greater than 20", the block may be flat, (3) for materials with diameters of 20" and less, the examination surface may be within the range of.9 to 1.5 times the block diameter.
When drilled holes are provided, nominal depth (length) shall be 1 1/2" minimum if end or side drilled; and thru-wall or 1 1/4" minimum if drilled on a chord line.
Diameter and location shall be based on nominal thickness, as follows:
THICKNESS (T)
DIAMETER LOCATION (T)
Up to 1" Incl.
3/32" 1/2 (or 1/4 & 3/4)
Over 1" thru 2" 1/8" 1/4 & 3/4 Over 2" thru 4" 3/16" 1/4 & 3/4 Over 4" thru 6" 1/4" 1/4 & 3/4 Primary RC Loop 3/16" 1/4, 1/2 & 3/4 2.8.3 Temperature difference between the surface of the block on which calibration is accomplished and the surface of the item to be examined shall not exceed 25 F.
Devices for determining this difference are not considered as MT&E equipment.
2.8.4 Where the component is clad, the block shall be clad by the same 6
welding procedure.
If impractical, welding may be by manual procedure.
EFFECTIVE 8-13-82 2 of 15 y' SED 8-13-82
,g, WESTINGHOUSE FORM NSO PA 1014A n
NSD l
151-206 Rev. 0 2.8.5 Surface finish of blocks shall be representative of surface finish of examination scan surfaces.
3.0 _ SYSTEM CALIBRATION f
3.1 Prior to conducting examinations, the complete system to be utilized 4
shall be calibrated on the applicable calibration block (See 2.8.1) for the examinations to be conducted. The system is defined as; the ultra-sonic instrument (and battery pack if applicable), cable (s), transducer, couplant, and any other apparatus, instrument or circuit employed between the instrument and the calibration block surface. Once calibration has been established, any change to any part of the system will require at least a verification of the calibration.
3.2 Sweep range calibration shall be sufficiently long so as to allow examination of the entire required volume by a:
full " vee path" fcom one side of the weld; half " vee path" from each side of the weld; or a combination of such coverage so that the entire volume required to be examined is covered by at least 2 sound beam directions. See Figures 1 thru 4.
3.2.1 A " Vee path" is composed of a downward and an upward path or leg of the calibrated sound beam in the material through which
~
it is traveling.
(
A 1/2 Vee path is either a downward or an upward leg.
Example:
for 1 1/2 V (or 3T) calibration where the volume required to be completely covered by the first 1/2 V from or.e side and by the last (3rd 1/2V) from the opposite side, 1/2 Vee path coverage from both sides has been satisfied.
A 1 1/2 V is composed of 3 half vees and 2 full vees, eqe of which is inverted.
3.2.2 Sweep shall be calibrated to provide equally spac increments of the appropriate reference reflectors. Table 2 specifies specific sweep limitations.
3.3 Reference sensitivity shall be established from notch reflectors except, for vessels, castings,1/2 node techniques, and for austenitic materials greater than 1.7 inches thick, drilled holes may be used.
Primary reference sensitivity shall be established frem not nearer (in sweep time) the applicable reflector that provides the highest aiplitude response.
For primary loop reactor coolant piping, sensitivity shall be established from the 3/4 T hole.
For pressure boundary base metal adjacent to and underneath integrally welded supports, sensitivity snall be established on an 0.D. notch or on holes representing an up-leg.
3.4 Reference sensitivity shall be established by adjusting the peaked signal e
from the applicable calibration reflector to 80% of FSH (Full Screen
(
Height).
1(,
Ejlft 8-13-82
,,,, 3 M M 7,y,E MM WESTlPeGMOUSE FOmM NSD PA 1914A m
p,gg ISI-206 Rev. 0
(
3.4.1 Without moving the search unit from this peaked signal location point, check vertical linearity of the system by decreasing signal amplitude 6dB, and then by an additional 6dB. The resulting signal decrease must be within 32% to 48% FSH and 16%
to 24% FSH respectively.
3.4.2 If either signal falls outside of its' range, such controls as reject, clipping, damping, filtering, etc., shall be adjusted such that this check can be accomplished satisfactorily.
If adjustment of controls fails to provide a satisfactory check, the transducer and/or cable shall be changed and calibration repeated.
If the systea continues to fall outside of the acceptable range, tN instrument shall be changed. Once adjustment of controls that affect linearity is established, if necessary, they shall remain fixed for the period of the examinations.
3.5 Return primary reference signal to 80% FSH and without changing gain control, determine peak indication amplitude from the remaining applicable reflector positions in the examination region.
Construct a distance amplitude curve (DAC) on the screen by a curved line connecting each of the peaked points. The DAC may be extrapolated at either end for a distance of 1/2 T.
3.5.1 Where the primarj reference sensitivity is established from a
(
notch reflector, signals from the 1/4 T and 3/4 T holes may be used to establish slope of the DAC when 1/2 node examination is used.
Alternatively, the next two notch reflector positions may be used to extrapolate the DAC slope to cover the examination range.
Holes shall not be used to establish a DAC for examinations requiring a calibration block of less than.8" thick.
- 3. 5. 2, For primary loop RC piping, slope of the DAC shall be established with the peaked signal from the 1/4 T hole set to 80L FSH and connecting the resulting peaks frcm the 1/2 T and 3/4 T holes with a curved line.
With the peaked signal from the 3/4 T hole adjusted to 80i; FSH reference sensitivity, the DAC curve shall be drawn as a line parallel to the line established above.
The line shall extend through the 80% reference point and through a vertical line of the screen that represents a minimum of 1 1/4 T or 100% of sweep.
3.5.3 Reference points at 50% and 20% of DAC shall also be established on the screen by decreasing each DAC curve reference point by 6dB and then by an additional 8dB. The resulting 50% and 205 points shall be connected by curved lines. drawn on the screen.
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EFFECTIVE 8 13-82 4 of 15 l REVISED 8 13-82 DATE PACE DATE WE ST MG =OV3 E SO s ** *:30 n, t =uA
@NS",
L 151-206 Reve 0 3.5.3 (cont'd)
To minimize screen clutter, lines connecting 50% points may '
deleted, provided the points are clearly defined and are separated by not more than approximately one major screen division.
When investigating indications which may or are required to be recorded at the 50% DAC level, a line connecting the applicable adjacent points must be considered or, alternatively, 2X reference sensitivity may be used, with the 100% DAC curve then representing the 50% DAC line.
3.6 When calibrating for angle beam examination of primary loop reactor coolant piping system and for cast austenitic materials, a primary reference DAC shall be established by adjusting the 1/4 T hole reflector to 80% FSH and another DAC established by adjusting the 3/4 T hole reflector to 80% FSH.
DAC curve for the 3/4 T shall parallel the 1/4 T curve.
Examinations shall be conducted once for each DAC.
3.7 Calibration for reflectors transverse to the weld shall be based on 1/2 V.
3.8 Straight beam calibration for welds in vessels shall be as follows:
a.
Welds less than
.8" thick
(
I
- (
The signal amplitude from the 1/2 T hole shall be set at 80 percent of full screen.
A DAC curve is not required.
b.
Welds.8" thick and greater The signal amplitude from 1/4 T hole shall be set at 80 percent of full screen. Mark the amplitude of both the 1/4 T and 3/4 T holes to establish a DAC.
4.0 SYSTEM CALIBRATION VERIFICATION Calibration shall be verified at the beginning of each day of examination, and at the end of examinations for which calibration ist applicable or every four hours, whichever is less, and with any change in examination personnel.
4.1 A DECREASE in sensitivity of more than 2 DB shall require recalibration and re-examination of all items examined since the previous acceptable calibration or check. An INCREASE in sensitivity of more than 2 DB shall require recalibration and re-examination and data correction of all indications recorded since the previous acceptable calibration or check.
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EjTE 8-13-82 5 of 15 E' SED 8-13-82 CTIVE race g
WESTINGHOUSE FORM NSO PA 1014A
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ISI-206 Rev. 0 I
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4.2 If any point on the DAC curve has moved on the sweep line more than 10%
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of the sweep division reading, correct the sweep range calibration and note the correction in the examination record.
If recordable reflectors are on the data sheets, those data shall be voided, a new calibration established, and areas relative to the voided data shall be re-examined.
5.0 EXAMINATION 5.1 Extent of examination 5.1.1 Ex. amination for reflectors parallel to the weld shall be conducted to achieve coverage of the required volume to the extent described in 3.2, from one side of the weld.
As necessary, examination shall be conducted from both sides and the "second" side examination may be limited solely to coverage of that volume in which the required coverage was not achieved from the "first" side.
5.1.2 Calibrated straight beam (see 3.8) examination when required in the Examination Program Plan, shall be accomplished to examine all of the volume required to be examined, to the extent practicable.
5.2 Examinations utilizing more than one DAC curve shall be accomplished
{
}
once for each curve.
5.3 Rate of search unit movement shall not exceed 6" per second.
5.4 When practical, scanning sensitivity shall be at least twice the primary reference sensitivity.
5.5 Base Metal Straight Beam Examinatien 5.5.l' Prior to performing angle beam examination the base material through which the angle beam will pass shall be completely scanned with a straight beam search unit to detect reflectors which might interfere with the angle beam examination. This examination is to be done for preservice only.
5.5.2 Sensitivity of the instrument shall be adjusted at a location free of indications so that the first reflection from the back surface will be 50 to 80 percent of full screen height.
Sensitivity as adjusted above shall be continuously monitored during the examination, and adjusted as necessary to maintain l
at least this minimum amplitude.
Alternatively, calibration in accordance with 3.8 may be used.
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EFFECTIVE 8-13-82 6 of 15 REVISED 8-13-82 DATE PAGE oATE
NS" 151-206 Rev 0 o
^
5.5.3 Areas containing indications (principally laminar) that affect
'(
angle beam examinations shall be noted, considered during that examination, and recorded on the data sheet if they are confirmed as interfering.
See 9.0.
5.6 Angle Beam - Reflectors Parallel to the Weld 5.6.1 The scan patter n shall start with the search unit transmitting an angle beam perpendicular to and towards the weld. The search unit shall be moved towards and away from the weld such that a necessary amount of the beam path passes through the maximum accessible volume of weld and base metal to be examined.
Concurrent with this scan, the search unit shall be angled right and left and progressively indexed along the length of the weld such that the whole scan pattern follows a "saw-tooth" pattern. The " pitch" of the "saw-tooth" shall be such that the beam covers at least 10 percent of the area covered by the previous adjacent pass. The weld and required amount of adjacent base metal is to be fully scanned by this method. When necessary and practicable examination shall be accomplished from both sides of the weld. This relates to examination directions 2 and 5 in OPS-NSD-101.
5.7 Angle Beam - Reflectors Transverse to the Weld
{
j 5.7.1 This examination is to be accomplished only where satisfactory 3
sound beam coupling into the weld can be achieved and maintained.
Crowns should be flat for at least 90% of width.
5.7.2 The search unit shall be placed on one edge of the weld directing the angle beam into the material parallel to the weld axis.
From this position, the search unit shall be moved parallel to the weld and indexed toward the opposite side such that the next scan will cover at least 10 percent of the area covered by the previous adjacent scan.
Parallel scans shall be repeated in this manner until the length and width of the required volume under this surface has been scanned; and then repeated in the opposite direction. This relates to examination directions 7 and 8 as described in OPS-NSD-101.
6.0 INTERPRETATION AND INVESTIGATION 6.1 The examiner shall interpret all indications that exceed 205 of the primary reference DAC such that he can assess their source and cause in terms of their being either valid or non-valid.
Indications from or near the root of welds may require other aids.
See 6.3.
I I
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EFFECTIVE 8-13-82 7 of 15 REVISED 8-13-82 DATE PACE
. DATE wIsT *4cwaartfeways
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.4Sn 1s8-206 Rev. O M
lk 6.1.1 Valid indications are reflectors caused by flaws, such as cracks, lack of penetration or fusion, inclusions and porosity All other indications are considered non-valid,. including those i
due to:
scanning noise, grain structure, beam redirection, internal liquid levels, clad interface, straight beam back surface and geometric reflectors.
6.2 Valid indications that exceed 20". of primary reference DAC shall ce investigated by the examiner, in terms of the recording requirements o f 7. 0.
6.3 Other transducers, search units, frequencies, techniques, etc., may be used to aid interpretation and investigation.
6.3.1 If such aids necessitate use of any control that cannot be positively returned to its calibrated position, (such as a potentiometer control on sweep, damping, uncalibrated gain, etc.) primary reference calibration shall be verified before use and re-established prior to continuing examinations.
?O RECORDING INDICATIONS 7.1 Prior to recording indications that require dimensioning, complete
{
)
primary reference calibration, including linearity check shall be
[
verified.
Scribe /Ref. line data shall be recorded or verified.
7.2 Valid flaw indications which provide a response equal to or greater than 50% of primary reference DAC shall be considered as--recordable indication--and noted as RI.
7.2.1 For each such indication, peak amplitude, sweep position, and search unit location and direction shall be recorded.
The indication shall also be dimensioned to record, as a minimum, sweep positions and search unit locations representing minimum and maximum 50", DAC points, parallel and perpendicular to the length axis of the indication.
7.3 Valid flaw indications which provide a response between 20i. and 50'.
of primary reference DAC shall be considered as--non-recordable indication--and noted as NRI.
7.3.1 For_ preservice examination of pipe welds only, where primary reference sensitivity was established from a notch, each such indication shall be noted on an RI data sheet.
As a minimum, peak amplitude, sweep position, search unit location and direct, and scanning side thickness shall be noted.
I I
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E FFECTIVE 8-13-82 8 of 15 REVISED 8-13-82 D*TE PAGE DATE
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) HSD 151-206 Rev. O I
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7.4 Non-valid indications, and the absence of valid indications shall be considered as--no indication--and noted as NI.
8.0 POST CLEANING e
8.1 Examined areas shall be dry-wiped to remove excess wet couplant, if necessary.
- 9. 0 EXAMINATION RESULTS AND DOCl) MENTATION 9.1 All data relative to examinations shall be recorded in accordance with OPS-NSD-101.
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TABLE 1 ANGLE BEAM EXAMINATION NOMINAL TRANSDUCER (I)
MATERIAL MAX.
MINIMUM N0f11NAL THICKNESS SIZE FREQ. MHz ANGLE
.250" to
.750" 1/4" 2.25 45'S
.751" to i.000" 1/2" 2.25 45'S 1.001" to 1.200" 3/4" 2.25 45'S 1.201" and Greater 1"
2.25 45'S Main Coolant Pioing Forged 1"
1.0 41*L/45 S l
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Centrifugally Cast 1"
1.0 41 L or cast STRAIGHT BEAM EXAMINATION SIZE MIN.
MAX.
MAX. FREQ. MHz Main Coolant Piping 1"
1.25" 2.25 All other to 12" Dia.
1/4" 1/2" 5.0 12" Dia. and greater 1/4" 1"
5.0 NOTES:
(1) Other transducers may be used where metallurgical characteristic or geometry impede effective use of the above listed angle beams or frequencies.
Size is the element viewed from the side and shall 4
g not be increased.
(.
EFFECTIVE 8~13~82 10 of 15 REVISED 8-13-82 DATE PAGE DATE
r NSD 151-206 Rev. 0
(
TABLE 2 1/4 T 1/8 Node 1/8 V 1 1/4 T
=
5/8 Node
=
5/8 V
=
=
1/2 T 2/8 Node 1/4 V 1 1/2 T
=
6/8 Node
=
3/4 V
=
=
3/4 T 3/8 Node 3/8 V 1 3/4 T
=
7/8 Node
=
7/8 V
=
=
1 T 4/8 Node 1/2 V 2 T
=
8/8 Node 1 V
=
=
=
ETC.
l l
SWEEP RANGE CALIBRATION FOR SWP RANGE CAL. OF:
MAX. LAST LEG % SWP. LOCATION ())
l 1T 70 2T 75
.(
3T 75 4T 75 (1)' Applicable for "T" calibration point from notch reflector, or last "T" point as extrapolated or extended from cali-bration hole reflectors.
Maximum last leg location indicated, is based on piping calibration block at minimum "T" and of volune to be examined at maximum "T".
Last leg positions indicated above may be changed if thickness of calibration block and the examination area are detennined to be other than this basis.
Calculate for maximum last leg position as follows:
100 +
EXAM. VOL. "T"
= MAX. %SWP. LOCATION FOR LAST LEG.
CAL. BLOCK "T"
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Illustrative Only SIDE I SIDE 2
$w, s
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/i Coverage from Side 1 is 100i'
's
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Side 2 Exam.
s Not Reauired 4T Cal.
Broken beam = Exam. start. Solid beam = Exam completion or maximum access.
All Beam Angles - 45' See Fiaure 2 for Commentary FIGURE 1
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8-13-82 12 of 15 gjjfED 8-13-64 7g
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k k
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4
' A N N N W int A82M:88% '
+
1T Cal., Crown Flat & Flush p =T
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,s' smw IT Cal., Crown Obstructing Crown Obstructing
/
A N\\
A s N, N 88:43:RA' 2T Cal., Crown Obstructing
/
A l
A I Coverage from S e 1 is 100'.:
- s l
3fCal.
Not Required Broken beam = Exam. start. Solid beam = Exam. completion or maximum access.
ALL BEAM ANGLES-60' Figures and views illustrate extent of examination volume coverage that is obtained based on parameters depicted. Actual parameters exisiting for or during eacn examination alter significantly the depicted cevert.ge.
Key parameters depicted are:
- 1. Search unit is essentially minimum size
- 2. Nominal beam angle (in the part) is achieved and maintained
- 3. Beam has zero spread
- 4. Beams reflect from parallel planes equal to T at I.D. and crown areas
- 5. Width of obstructing crown is equal to T
- 6. Scan access is available on both sides.
Where weld crown is not obstructing, 2T cal. range or greater can satisfy required coverag'e from one side.
Cal. range and transducer or angle shall be such that examination and data required (see 2.5) can be satisfied. Maximum extent of required coverage achieved during examination is, that volume that has been
" cross-hatched" by calibrated beams, as perceived solely by the examiner.
/
FIGURE 2
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13 of 15 l{y,$ED 8-13-82
'$EcTIVE 8-13-82 past a E NESTINGMOUST 80mM HSO PA 1014A n
n
W ' NSD 151-206 Rev. O Illustrative Only
_e J1 -;i-A N
N
'N, 5
/
1T Cal., Crown Flat & Flush
- a., w A
A k
/
x 1T Cal., Crown Destructing Crown Obstrur. ting
/
/,
k k
n
[
Y[
N
's 2r Cal., Crown Obstructing
/
f-W k
's s
g O
3T Cal.
]V A
/-
's
,/ ,
, ' Axs$h x Coverage from Side 1 is 100%
~.,,
4T Cal.
Side 2 Exam.
Not Recuired Bronen beam = Exam. start. Solid eam = Exam. c0mpletion or maximum access.
All Beam Angles - 45' See Ficure 2 for Commentary
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FIGURE X
k EFFECTIVE 14 of 15 REVISED 8-13-82 8-13-82 PAGE DATE DATE WESTINGHouSg somu NSO PA 1014A
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Illustrative Only SIDE 1 SIDE 2 e
i 1
- 1 "T-
/
N N
f
,/
% s 1T Cal., Crown Flat & Flush
..r A
A-k k
l
~,
1T Cal., Crown Obstructing Crown Obstructing A
fn k
/
y f
2T Cal., Crown Obstructing A
A-
,X Coverage from Side 1 is 100%
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's
%N
/
Side 2 Exam.
N,,
Not Reouired 3T Cal.
Broken beam = Exam. start. Solid beam = Exam. completion or maximum access.
ALL BEAM ANGLES-60*
Figures and views illustrate extent of examnation volume coverage that is obtained b' sed on parameters deoicted. Actual parameters exisiting for or
]
a during eacn examination alter significantly the depicted coverage.
Key parameters cepicted are:
- 1. Search unit is essentially minimum size
- 2. Nominal beam angle (in the part) is acnieved and maintained
- 3. Beam has zero scread
- 4. Beams reflect frem parallel planes equal to T at I.D. and crown areas
- 5. Width of obstructing crown is equal to T
- 6. Scan access is available on both sides.
Where weld crcwn is not obstructing, 2T cal. range or greater can satisfy required coverage from one side.
Cal. range and transducer or angle shall be such that examination and data required (see 2.5) can be satisfied. Maximum extent of required coverage achieved during examination is, that volume that has been
" cross-hatched" by calibrated-beams, as perceived solely by the examiner.
(
FIGURE J fFFEcTIVE 8-13-82 15 of 15 REVISED 8-13-82 DATE PAGE DATE s
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SUMMARY
OF RECORDED INDICATIONS e
i UTILITY SKETCH METHOD / ITEM IDENTIFICATION DISPOSITION REFERENCE v0LuMETRic suRPACE visual E VA L UATION aceger commact wowton REFERENCE r"s f
e t. NOT ACCEPTABLE
- 6. ACCEPTANCE LIMITS NOT SPECIPtC RE COMME N DATIONS
[b
- 2. ACCEPTABLE
- 7. OUTSIDE E X AMINATION ZONE A. CORRECT j
- 8. FOR INF ORM ATION ONLY B.
F URTHE R INVESTIG ATION
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- 4. UNDE R INVESTIGATION
- 9. MORE PREP. REOUIRE D C.
FUTURE MONITORING
[V S. PRIOR E XISTING
- 10. N/A. NOT APPLICAS6E O SUPPLEMENT ARY E X AMIN ATION j
NOTE. UTILITY MUST REVIEW ALL @ EVALUATIONS TO DETERMINE NECES$ARY DISPOSITION M/COORDJDESIGNEE DATE FOR UTILITY DATE FCRM AS494A
SKETCH EXAMINATION SUMM AR y FOR c.
v-h PROGRAM SKETCH REF.
REF.
(SEE TAB C1 IDENT NO NI NRI R1 NI NRI RI NI NRI RI NI NRI RI REMARKS C
.E.
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