ML20126D423
| ML20126D423 | |
| Person / Time | |
|---|---|
| Site: | Sequoyah  |
| Issue date: | 03/18/1980 |
| From: | Belew, Daniels, Mcloud D TENNESSEE VALLEY AUTHORITY |
| To: | |
| Shared Package | |
| ML20126D421 | List: |
| References | |
| SI-114, NUDOCS 8004290406 | |
| Download: ML20126D423 (24) | |
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it Plant Haster File 8004290 Ydf i Superintendent Assistant Superintendent (Oper.)
SURVEILLANCE INSTRUCTION Assistant Superintendent (Maint.)
Administrative Supervisor SI-11h IC Maintenance Supervisor (M) 1C Assistant Maintenance Supervisor (M)
PRESERVICE BASELINE INSPECTION AND Maintenance Supervisor (E)
INSERVICE INSPECTION PROGRAM FOR Assistant Maintenance Supervisor (E)
TENNESSEE VALLEY AUTHORITY Maintenance Supervisor (I)
SEQUOYAH NUCLEAR PLANT _
1 Results Supervisor g Operations Supervisor Unita 1 and 2 iti Quality Assurance Supervisor Health Physics Public Safety Services Supv.
Chief Storekeeper Preop Test Program Coordinator
_1,c,_ Outage Director Chemical Engineer Radiochem Laboratory Instrument Shop Reactor Engineer Instrument Engir.eer l
,c Mechanical Engineer Staff Industrial Engineer
,it Training Center Coordinator
,n PSO - Chickamauga Engrg Unit - SNP Prepared By:
Belev/Daniels Public Safety Services - SNP Shift Engineer's Office Revised By:
D.O.*McC;oud
_10_ Unit' Control Room QA&A Rep. - SNP Submitted By:
bO N//7/M Health Physics Laboratory Supervisor g Chief, Nuclear Generation Branch 3tr P Prod Central Office File PORC Review:
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,tr Superintendent, WBNP
/Date/
Superintendent, BFNP Superintendent, BENP 3tt EN DES - NEB NEG Approved'By:
ONk Supv., NPHPS ROB, MS uperintendent NRC-IE:II Power Security Officer, 604 PRB-C Nuclear Materials Coordinator 3/l hD Manager, OP-QA&A Staff l
Date Approved:
P Prod Plant Eng. Branch i
i
, tt
,e NSRS, 309 GB-K Techniccl Support Center
~ T Project Manager, Seqi 1
10 S_ tup. Metallurgy & N W Cection y Rev. No_.
Date_
Revised Pages Rev. No.
Date ReviTed rages 7
L /12 D,')
All 8
9/12/79 L,30 Added LA i
I / N Added Funchlist,82-99, snd 3A. Revised 1,?.3 9
/
The last page of this instruction is Number oo
- Jewk SI-114 Punchli Page 1 vf 1 Rev. 9 Appendix B, C and D vill be supplied later.
0.0. Mfdae/
- 6 G
e D
9 0
4 i
SQNP SI-114 Table of Contents Page 1 of 1 Rev. 9 TABLE OF CONTENTS Page No.
Section 1.0 Introduction 1
Section 2.0 Inservice Inspection Program 2
Section 3.0 Baseline and ISI Program Examinations 2
Section 4.0 Inspection 17 Section 5.0 Examination Procedure 17 Section 6.0 Reporting Section 7.0 Supplemental Bidding Information 20 Section 8.0 Revision and Distribution 22 Section 9.0 Re ferences 22 Appendix A Tables and Drawings 24 Appendix B Calibration Blocks Appendix C Photographs Appendix D Section of Sequoyah FSAR Appendix E Notificationo5 Indication i
0 4
No
/
+
SQNP SI-ll+
Page 2 of 27 Rev. 9 A.
Locations to be inspected by photographs, annotated drawings, sketches, or word description.
B.
Method of examination to be performed on each location and cali-beation standards used for comparison.
C.
Method of data collection and reporting.
D.
A schedule chart including:
1.
Item (s) to be inspected each inspection interval.
2.
Sizes of inspection areas (linear' feet of weld, square inches, etc.)
3.
Type of examination (Visual, liquid penetrant, ultrasonic, etc.).
4 Estimate of inspection area dose rate.
5.
M Idn inuwn to be inaccessible for inservice inspection.
2.0 INSERVICE INSPECTION PROGRAM The selection of specitic areas for inspection during each 40-month cycle was made considering and optimizing the various factors af fecting performance of the program.
- Of prime consideration is the fulfillment of the requirements outlined in Section 5.2.8 of the Sequoyah FSAR, which is attached as Appendix D of this document, and as closely as possible to Section XI of the ASME Boiler and Pressure Vessel Code, Rules for Inservice Inspection of Nuclear Plant Plant Components (through summer 1975 addenda). Other factors considered were as follows:
A.
Areas of the most severe service conditions, i.e. radiation exposure, thermal gr.adient, cycling stresses, and high operating stresses.
B.
In order to limit the radiation exposure of employees, those areas where the dose rate progresses to a higher level each year are to be inspected early in the inspection period where allowable under the program.
C.
Manpower economics were also considered; i.e., when several areas can be inspected in the same general location, this will be done to min-imize scaffolling and exposure to employees.
9 Various portions of the baseline and inservice program will be performed by either NUC PR QA Staff personnel or contractors retained as required.
Contract preparation, adminstration, and supervision will be the responsibility of the NUC PR QA Staff.
Inspection plans and/or Quality Assurance Programs submitted by outside con-tractors shall be reviewed and approved by the NUC PR QA Staff and submitted to the plant superintendent for approval prior to use.
All specific NDE pro-cedures used during the inspection program shall be reviewed and approved in accordance with 0QAM Part II, Section 6.3.
i 9
'T
1 SQNP SI-114 Page 3 of 2; Rev. 9 2.0 I N.u : '/ t e r. l Wil.CT M PP90RAtt (Cont.)
Wher2 inspec r,.a re.qtit teinctits ace performed by the NUC PR QA Staff or outside ve.m pian shall be prepared by a member of the QA Staff and ap-
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c mu ra c to r, a i
l proved by NUC PR QA Staff Level III.
The scan plan shall include indenti-fication of areas being examined, calibration blocks being used, and NDT pro-I I
cedures being followed.
l l
Whenever inspection requirements are being accomplished, a NUC Pr QA Staff re-presentative shall be on site to coordinate activities. The NUC PR QA Staff l
representative's responsibilities shall include but are not limited to:
co-ordinating with Health Physics Section when work is to be accomplished in radiation areas, to ensure scaffolding and lighting is provided as required, to coordinate insulation removal in inspection areas, and to interface with the shift engineer in regards to cold sh'utdown status of the unit. He will be the designated TVA representative to ensure contract compliance, proper dispositior o! needed procedure changes to both TVA and/or contractor pro-cedures in v.cordance with approved vendor QA programs and Section 6.3, Part II of the OQri.
Additionally, the NUC PR QA Staff representative will be responsible for notifying the plant QA supervisor of all indications as soon as practical.
Whenever an indication is discovered, the procedure and. form in Appendix A shall be utilized.
In those cases where an outside contractor is furnishing baseline and/or inservice inspection services, it will be the resonsibility of the contrattor to initiate the form in Appendix B under the supervision of the NUC PR QA Staff representative.
Ebasco Services, Inc. has been selected as the contractor for providing per-sonnel and equipment for the baseline inspection beginning January 28, 1980.
Ebasco Services, Inc. shall provide and maintain qualified personnel and cer-tified equipment as required by Ebasco Services Inc. procedures. Ebascc Services Inc., QA manual, Kevision 0, dated Octover 12, 1975, Section ISI-III-3, 8
Control and Calibration of Measuring and Test Equipment; and Ebasco Services, Inc., Procedure for Training, Examination, and Certification of Nondestructive Examination Personnel, Revision 8, dated January 1980, including any changes to these procedures, shall be reviewed and approved by NUC PR QA Staff and the plant superintendent before use.
3.0 BASELINE AND INSERVICE INSPECTION PROGRAM EXAMINATION The areas to be inspected during the first 10 year inspection interval are tabulated in Tables A and B in Appendix A.
The planned inspection areas i
are outlined in Tables A and B for each 40-month inspection period during this inspection interval.
In accordance with IWC-2100 ar.d IWC-2400 of ASME Section XI, only those Class B components whi<h will be examined over the service life of the plant will be examined for the preservice baseline.
Tabulations are presented on a per unit basis, df
SQNP
~
SI-114 Page 3a of 27 Rev. 9 3.0 flASELINE AND INSERVICE INSPECTION PHOCRAM EXAMINATION (Cont.)
A further elaboration of the inspection of the various components will b2 discussed in the following paragraphs.
3.1 Ref,c or Vessel 3.1.1 Reactor Pressure Vessel Seam Welds 3.1.1.1 Circumferential Shell Velds - Beltline Region There are three circum,ferential seam welds, cach approx-imately 50 feet in length, totalling 150 feet, in the vessel cylindrical shell located behind the thermal shield. These welds will be accessible for inspection from the vessel I.D. with the core internals removed and will be inspected as part of the preservice baseline and inservice inspection using remote inspection devices.
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SQNP 87-114 Appendix E Page 1 of 2 Rev. 9 NOTIFICATION OF INDICATION 1.
This document establishes the procedure to formally notify Plant Management and/or NUC PR QA Staff of the presence of indications detected during the performance of non-destructive examinations.
2.
This document applies to those indications defined as potentially reportable by the applicable procedure.
3.
Formal notification shall consist of completing and submitting to the NUC PR QA Staff representative the attached form, " Notification of Indication".
4.
The " Notification of Indication" shall be completed as signed by the Level II or III examiner detecting the indication, and reviewed and signed by the Field Supervisor.
5.
One copy of the completed form shall be submitted to the NUC PR QA Staff representative, one copy to the Plant QA Staff Supervisor, and one copy shall be filed with the examination report.
6.
Part II of the " Notification of Indications" form shall be completed for evaluation of fiidings by TVA 1cvel III Examiner.
The TVA Level III ex-am ner sh.11 Indicat e under " DISPOSITION" the disposition of the indication.
Any % rrectivt actien doeminents shall be referenced.
O 4
93 l-
O
.7QNP SI-114 Appendix E Page 2 of 2 Rev. 9 NOTIFICATION OF INDICATION PART I - FINDINGS:
Examination Report Nc.
Test Performed Weld Map No.
NDT Method Description of Indication:
(Attach Sketch / Photograph)
Signature of Examiner /Certif. Level Date Signature of Field Supervisor (Contracter)
Date Baseline and ISI Representative Date t'
PART II - DISPOSITION:
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