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Vol 3 of TVA Welding Project:Sequoyah Phase II Review & Programs Results
	ML20203K771
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Site:	Sequoyah
Issue date:	04/25/1986
From:	; TENNESSEE VALLEY AUTHORITY
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	NUDOCS 8605010036
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096048s02 N(IDE 3

'T IVA WHDDC PRQJECT

) SEQlIMH IMASE II REVIDi MD PRGBHi EESUL13 TABE OF ENIBf15 1.0 INIR0DJCIEN 2.0 APn1h '1CINDRDC RDORI (%pplanertal Infonnation) 3.0 BHYJL AUDIT RDORT 3.1 INIRGUCTIN 3.2 S2MRY 3.3 RWIDI AND C3KLUSINS 3.4 AUDIT WWK PIAN 3.5 AUDIT RDOKr 4.0 SEQtIMH WILDDC REINSPECIDI RDORT 4.1 SCDIE 4.2 REINSECFDi GIIIRIA 4.2.1 EGANICAL WEllE 4.2.2 SDCCIURAL 4.3 RDNSECIDi RESU135 4.4 ASSES 9fNr OF RUNSECIDI RESUIJS 4.4.1 EGANICAL WEllE 4.4.2 SIRUCIURAL WELIE 4.4.3 OVERAll ASSESSM2iT AS REIAIED TO DIPIDYEZ QNQRNS 4.5 ROOT CAUSE EVAWATIN AND CDRRECTIVE ACTDi

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TABus 4.1 REINSECTDI SJ!tRRY FOR EQiANICAL WEllE 4.2 EGANICAL PIPDC SYSIDE WELD REINSECIDI IATA 4.3 REINSECrHE SL2tRRY FOR S1EUCIURAL WEIDDC 4.4 SIEUCIURAL WEIDDC REINSPECTDi IATA APPDiDIQS 4.1 )EGANICAL DE1 Mil 1NT OVERVIDi 4.2 SIRUCIURAL DEPMDNT OVERVIDi 4.3 EVALIMIDI RDORT OF PIIE WEIIE 4.4 EVALIRTDI T U!HRFIII, INAIIQtKTE 1E IRCDI CR DCESSIVE REINKRG)fNT 4.5 EVALIRTDI RDORT OF PIIE ST20tHS l 4.6 EVALIRTIN RDORI SPIRAL WEID DUCI 4.7 PETAllHCICAL EVALIRTEN OF AUSHNITIC SrADLESS SIDL ARC SIRIKES 4.8 DISCUSSDI AND ASSES 9fNT OF INDICATDiS 4.9 DiSECIABILITY & Docuffrr ASSES 9fNT 5.0 SEQUDYAll PROGRAM RESUL15 RD0RIS 5.1 IHASE I RHDetNIATUS SIAIUS I

5.2 EMPIDYEE GNQRNS (DMIISIWS 5.3 APIIDI ENQlEIONS 5.4 BEDfHL AUDIT (DKLUSGS 5.5 REINSECIDI ENQlEDIS/RHDefEIATENS 5.6 OVERAIL (DKLIEIGNS/REDtfNIATIWS I, w)

V AFFDIDIOS 5.1 SJPtRRY OF WBN ENI1DYEE (DKDES IEURMINED 10 llAVE 10SSIBIE CENIRIC IMPLICATIONS 1D SQN 5.2 SJ)fRRY OF SQN SECIFIC DfPIDYEE ENQRNS REVIEWED BY WP1DDC 8605010036 860425 PDR ADOCK 05000327 t P PDR

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1.0 INTRODUCTION

The TVA Welding Project (WP) undertook its review of SQN through a two phased process. The first phase consisted of a review of the adequacy of the written programs to meet TVA, Code, and regulatory requirements. The results were included in the SQN Phase I Report which was transmitted to the NRC on February 7,1986.

This SQN Phase II Report, produced under the authority and responsibility of the TVA Welding Project (WP), presents the results of a comprehensive review of specific and generic Employee Concerns, an independent audit, an assessment of operating data by AFTECH, and reinspections of welds at Sequoyah Nuclear Plant (SQN) .

O The WP purpose was to determine the adequacy of TVA's welding programs, i.e., to verify that the programs have been properly implemented during both construction and operations phases. The WP was to assure that installed weldments of structures, piping systems, and other safety-related plant components currently in place at TVA's nuclear plants meet TVA, Code, and Regulatcry requirements and are adequate for service.

In addition, the WP is responsible to determine any remedial actions that are needed and take actions necessary to ensure that future TVA performed welding activities are performed in accordance with TVA's cosanitment to excellence in its nuclear program.

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Tha WP cnnlyzsd both specific cud g2neric Employes Concern 3 fcr SQN through an independent audit, reinspections, and a detailed (s_/ <

engineering evaluation by WP personnel. All velding-related Employee Concerns were reviewed in Phase I for program inference. In Phase II Employee Concerns were considered for significance to hardware.

The independent audit conducted by Becht el in January 1986 did not substantiate any Employee Concerns consivered. The independent audit reaffirmed that TVA had effective programs related to welding and NDE. The Bechtel Audit Report is found in Section 3.0 of this report.

The reinspections at SQN were performed by TVA inspectors. Oversight was performed by independent third party personnel specifically qualified for the work. The reinspection has helped put the

[~'s potentially generic nonspecific Employee Concerns into perspective.

k These concerns did not identify any hardware problems at Seouoyah.

The Employee Concerns program did identify three program problem areas and identified two implementation problem areas in the welding program.

The results of the reinspection revealed that all welds considered were acceptable upon initial reinspection or were found to be acceptable after engineering evaluation. Complete details of the reinspection are contained in Section 4.0 of this report.

In conclusion, the analysis of the specific and generic Employee Concerns for SQN, the reinspection of hardware, combined with the i

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coapleted Phcse I verification that the written programs met regulatory commitments and the APTECH Engineering Services, Inc.

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'gj review of PSI and ISI data, have confirmed that the welding program for the TVA Sequoyah Nuclear Plant is being effectively implemented and that the installed hardware is suitable for service.

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's 2.0 APTECH ENGINEERING REPORT (Supplemental Information) i TVA and its contractor. AFIECH Engineering Services, have performed a review of the welding program, Preservice i

Inspection (PSI), sad Inservice Inspection (ISI) activities at 1-Sequoyah Nuclear Plant for the purpose of determining the i

suitability for continuing service of welds currently installed at Sequoyah. The basis for this determination is derived from historical records and activities related to the production of quality welds (via an appropriate welding and inspection program) 5 and historical performance of welds during the operating phase of I the plant. The APTECH review is in addition to other TVA

, activities focused on veld quality determination, weld ;

i reinspection and welding program assessment, and problem identification and resolution. The APTECH results have been submitted previously to the NRC in the Phase I Report.

The scope of the APTECH review of welding activities was limited

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to welds covered by the TVA ASME Section XI program for Class I and 2 piping and Class 1, 2, and 3 component supports. The reinspection activities performed under this Phase II effort and reported in Section 4.0 of this report focused on TVA Class 3 piping (B31.16 B31.7) and AWS structural welds, which are not under the ASME Section XI program. The APTECH review, combined

, with the TVA reinspection effort, provides a comprehensive assess-

{ ment of the overall weld quality at Sequoyah Units 1 and 2.

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dnderstanding the definitions of indication and of Notification n

of Indication (NOI) essential to keep the Aptech review in proper (Q) perspective. Indications accumulated in the APTECH review were from historical NOI documents. In general, engineering evaluations were not performed on each of these indications to determine the significance of each indication. NOIs document the inspectors' observations. When evaluations have been performed, it was found that many observed indications are completely acceptable and meet TVA commitments and need not be removed.

Indications are frequently removed when found so that subsequent inspections will be simpler and progress more rapidly. For indications that were obviously of a minor nature, it was more expedient to perform cosmetic grinding or surface conditioning to remove the indications than to perform evaluations to determine

("N. if the indication could be left "as is". This tends to skew the (j

AFTECH results in the conservative direction.

The table of NOI descriptions found in the summary to the APTECH report lists two discrepancies as " missing welds" on Unit 1, and one discrepancy as " separated weld" on Unit 2. These were briefly discussed in the January 7, 1986 presentation to the NRC. Following is a discussion of these three discrepancies and the subsequent disposition of each.

The two missing welds on Unit 1 (Report Numbers R2714 and MR550488) involve seismic lug to pipe velds on the feedwater and Page 2 096045.03 J

ccfety injsetion syctema rs:pectively. Tha drcuing es11s fer th2 lugs to be welded on all four sides, and in both cases the weld

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( ,/ was omitted from one side of the lug (thickness side). In the case of the safety injection pipe lug, an engineering evaluation was requested by the plant. The disposition was " leave as is" in accordance with Field Chaage Request 3987. Engineering drawings 1-SIH-17 and L1-SIH-462 will be revised to reflect the "as-built" configuration. In the case cf the feedwater pipe lug, no engineering evaluation was requested by the plant. It was decided to add the weld according to drawing requirements.

The " separated" weld on Unit 2 (Report Numbers R0308 and R1177) involved a seismic lug-to-steel tube anchor veld on a safety injection line that had broken loose, presumably due to an operating transient. The weld was repaired and reinspected.

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[ } Because this was a single isolated incident, the root cause was

%d not identified.

Although the ASME Section XI visual examination criteria do not specifically focus on veld-related indications, the above examples, as well as the other NOIs listed in the APTECH report, illustrate the thoroughness and conservatism of TVA's ASME Section XI visual inspection program. Weld related discrepancies (arc strikes, linear indications, missing welds, etc.) are being identified and repaired, as are support failures due to system transients. The on going inservice inspection program meets or exceeds the minimum Code requirements and is a very reliable tool for continued assessment of overall weld quality at Sequoyah.

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O V 3.0 BECHTEL AUDIT REPORT 3.1 ' INTRODUCTION An independent audit team of five qualified auditors including an Audit Team Leader performed an extensive (30 auditor weeks) review of the welding programs of TVA's Office of Construction (OC), which did the original construction, and Nuclear Operations (NO), which is currently responsible for modifications and maintenance. The independent audit was performed by Bechtel in accordance with the Audit Work Plan found in Volume 1 (Program Description) of the TVA Welding Project Sequoyah Phase II Review and Programs Results Report submitted to the NRC on January 17, 1986.

O The purpose of this audit was to review the records to the degree necessary to determine whether TVA has had and still does have an effective and controlled welding program to install, maintain and modify safety-related permanent plant equipment and structures.

The audit team used the Audit Work Plan to start their audit with TVA's Of fice of Engineering (OE) design output documents and review documentation (which attests to satisfactory completion and inspection of the weld). The audit team reviewed the documentation of both the OC and N0 for piping, Page 1 096041.04

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j l pipe supports, electrical cable tray supports, NVAC supports, and significant miscellaneous structural steel in regards to i

the welding program. I L

In addition to the above, specific and generic employee r

concerns, as classified by TVA's Nuclear Safety Review Staff [

j (NSRS), and quality indicators compiled by the WP during Phase I were given to the audit team to review and f

determine if other areas in addition to those noted in the

l general work plan should be addressed in the audit.

The audit teen was assisted in document retrieval by TVA ;

l personnel so as to allow the audit team to devote full time to !

the review of documentation and writing the audit report. The audit team identified documents to be reviewed and pursued ,

! audit activities while the TVA personnel tracked down records I'

the auditors requested.

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The audit team developed an Audit Plan and two audit checklists.

J l (TVA 01-0C and TVA 01-NO) (See Section 3.4) which were '

l j submitted to TVA's Welding Project manager for review prior to performing the audit. The auditors cross-checked each other l 1

! and initialed the checklist for each complete:1 audit activity. I i

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} 3.2

SUMMARY

The Audit Report (See Section 3.5) addressed all the areas noted in the general work plan. As noted in key element 17.0 of the checklist, no additional areas needed to be addressed 1

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because of mployee concerns. The employee concerns fell into key elements already identified in the checklists (see items Q 17.1 through 17.7 in both checklists.)

One audit finding and four observations were documented in the audit report. Audit Finding AF-01-0C notes activities concerning use and control of weld filler materials in the OC (Key Element 12.0 of Checklist TVA 01-0C). AF-01-0C indicates isolated administrative document and procedural errors in the overall program implementation which when analyzed individually had minor significance. When all identified errors were combined, their significance together dictated a finding. However, the audit report emphasized that this deviation had no direct impact on the actual weld quality since TVA's procedural requirements were in excess of the

[n referenced codes and standards. The one finding and four observations have been evaluated by the Welding Project.

The results of that evaluation are described below.

3.3 REVIEW AND CONCLUSIONS The audit report has been reviewed by the Welding Project to determine whether or not weld reinspections are indicated by the audit report, No findings or observations listed in the audit report indicate the need for veld reinspection. The independent audit reaffirmed that TVA had an effective program related to welding and NDE. The auditors' specific conclusions shown support this statement.

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4 o Actual welding and welding inspections were accomplished by p

Q controlled procedures, o All welding procedures and procedure qualification records indicate that the quality requirements of the applicable TVA program at the time of use were implemented, o Welders were qualified in accordance with TVA program and procedures as required, o Veld inspections, primarily nondestructive exaeinations were done using controlled NDE procedures which complied with the applicable codes referenced in the controlling documents.

o NDE personnel were qualified and certified as required by the TVA program and procedu es, in addition to industry standards in effect during the respective time period, o Inspection personnel performing visual weld inspections were qualified and certified by written examination.

o In addition to TVA exceeding many of the code / standard requirements in one or more documents controlling the same quality element, and due to the number of programs and procedures developed by TVA, there is little doubt on the part of the audit team that a quality program for the welding activities at Sequoyah was in use.

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o For the employee concerns incorporated into the audit

\ checklist, the audit team was unable to substantiate any of the concerns, o The Nuclear Quality Assurance Manual (NQAM) in use at Sequoyah was found to be well written with adequate program guidelines and criteria for control of the Nuclear Operations quality acti'ities as related to welding.

However, the auditors noted that some of the program documents were confusing, overlapping, repetitive, and unclear. While these kinds of program problems need to be corrected, these do not deminish TVA program compliance with coc:mitments. The following are critical audit conclusions.

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o Forms and documents used as evidence that work was accomplished did not, in many cases, require that the actual revision number of the implementing procedure be ref erenced.

In terms of traceability to the exact revision of the implementing procedures used, only an approximate reterence of time could be made.

o Entity and authority changes for uppertier quality program manuals did not provide for consistent and uniform guidelines. The number of quality programs implemented during the course of construction activities made it unclear as to who ultimately had program control and responsibility.

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This dscentralizsd =sthsd of operation with r;ultiple authorities assigned responsibility / control of the same or

,) similar functions added elements of confusion.

o Although the uppertie quality programs were complicated and often confusing, it is the opinion of the audit team that they had little, if any, impact on the implementation of the f unctional welding and inspection procedures used for physical construction activities. As an example, during the entire construction phase of Sequoyah, the same radiographic examination procedure was used in a consistent manner. At various time periods during construction, dif f erent uppertier QA programs were implemented all referencing in one way or another the use of the same radiographic procedure.

(,} o Mar:s of the referenced implementing procedures in the NQAM were found to be excessively long, ambiguous, and do not giv e clear and concise instructions to personnel to perform their activity.

o As was experienced during the construction activities at Sequoyah, varioca secondary quality programs are being, or have been developed for Nuclear Operations: i.,e, Als, tis.

In many instances, these documents only repeat requirements of the NQAM and the implementing procedures referenced therein. It is recommended that whenever possible, the quality program be centralized to one level of authority for uniformity and consistency.

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V 3.4 BECHTEL AUDIT REPORT I AUDIT WORK PIAN L

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eunto mrcs amuxt"' B27 860122 001 Memorandum TENNESSEE VALLEY AUTHORITY O 3 .

Anthony M. Tukson, Velding Project Audit koM adeh FROM .

J. V. Coen, hoject knager, VeMag Project. W Cm C4 DATE : January 16, 1986 *

SUBJECT:

SEQUOTAR WILDIEC PROJECT IMPLBERTATION AUDIT - AUDIT FLAN This is to acknowledge receipt of your SQR audit plan. I have reviewed it and signed approved (copy attached). Preliminary approval of this was given to you January 9,1986. I have also received your Quality Audit Checklists, one each for Office of Construction and Office of Nuclear Operations.

YNd p J.W.Coan BSB:MP Attachment cc: IIMS, SL 26 C-K O R. C. Beasley, W12 R34 C-K w/ attachment

1. C. Domer DEFN, W12 A6 C-K OFFKE OF V'"1 Ram M 22 '86 m.... . m

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i Audit Plan for Sequoyah Nuclear Power Plant This audit plan describes the activities to take place at Sequoyah Nuclear Power Plant. These activities shall fulfill the scope of the audit of the welding clements of the quality assurance program. This audit shall verify, by examination of objective evidence, compliance with the welding aspects of the quality assurance program, shall determine the effectiveness of the welding aspects of the quality assurance program and shall address the site specific and generic employee concerns believed to be significant (by the auditors but not as defined in OEP-17) to the proper implementation of the welding elements of the quality assurance program. The quality assurance program for the Of fice of Construction is outlined in Attachment A. The quality assurance program for the Office of Nuclear Operations is outlined in

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Attachment B. The audit team will report findings and observations on the quality assurance program based on the review of objective evidence selected by the team and provided by TVA. These findings and observations will be documented in a written report and presented to the TVA Welding Project Manager. The minimum information to be reviewed to provide adequate confi-ence in the Construction and Nuclear Operation programs will be as follows:

Ib Organization No. of Items Program Examined N sl Of fice of Nuclear Operations Str. Steet & other supports incl. cable l

tray supports 1 Office of Nuclear Operations Pipe Supports 1 Office of Nuclear Operations Piping & equipment 3 Of fice of Construction Str. Steet & cther supports incl. cable s

tray supports 2 Office of Construction Pipe Supports 2 Office of Construction Piping & equipment 8 These items are in excess of the generic audit plan used by Bechtel for welding and KDE programs on construction sites. Items are defined as a specific item on a specific system. For instance, one weld joint on a system or component. This item will be reviewed for the adequacy of the a ke,' elements listed in Table 1, as applicable. Flexibility was incor-porated into the audit plan to increase aseplings at the discretion of the audit team. Items for audit and evaluation were selected by the '

i p., audit team and are listed in Table 2. The evaluation items will be ex-() panded by the audit checklists to include many hundreds of records.

a.c. wa a A review of all the site specific and generic concerne provided by TVA O g-to the audit team relating to welding was performed. The concerns were deemed significant or not significant based on evaluation of technical va1131ty"aha applicability to the welding program. All the specified and generic employee concerns provided by TVA and reviewed by the audit team are listed in Table 3 as either significant or not significant.

The concerne listed as significant will be evaluated fDr the adequacy of the program by incorporation into the audit checklists as elements for evaluation.

Frepared by_ [ N W / , // / WA6 A. M. Vuksen #

Audit Team Leader [

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Welding Project Manager s

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Table 1 Key Elements 1

1. Implementation of technical and welding program requirements l,

2. Adeguacy of design output documents

3. Initial welder or welding operator goalifications

4. Maintenance of welder or welding operator goalifications

5. Renewal of welder or welding operator goalifications

6. Initial welding inspection personnel qualifications

7. Maintenance of welding inspection personnel goalifications

8. Renewal of welding inspection personnel qualifications

9. Use of appropriate welding procedures

10. Use of appropriate inspection procedures

11. Use of appropriately trained and qualified personnel

12. Use and control of welding filler materials

13. Inprocess control of welding

14. Documentation of the above activities

15. Nonconformances and corrective actions

16. Training programs adequacy i 17. Additional areas of concern as determined by a review of employee concerns as specified in Table 3 O

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Notes items 1 - 12 for Office Itene fo. epection

.. Construction checklist.

Use itene 13 - 17 for OPPICE OF CONSTRUCTION Office of Nuclear Operatione .

checklist.

TABLE 2 PIPINC Item Identification

, No. of Veld Drawing No. System Unit I Class I 1. IMS-32 A7100 rev. 0 .

Main Steam, 1 TVA Class B Loop 4 ANSI B31.7 Clase IT

2. IMS-4 A7100 rev.' O Main Steam, 1 TVA Class B

3. Loop 1 ANSI B31.7 Class II CVC-1178 CVCS-12 rev. 6

, Chemical & Volume 1 TVA Class B Control System 62

4. 1-RC-28 1-RC-003 rev. 3 ANSI B31.7 Class II Reactor Coolant 1 TVA Class A System 68 ANSI B31.7 Class I

5. 0-ER-15116 ERCW-303W rev. 9 ERCW System 67 0 TVA Class C *

6. 2-MS-35 ANSI B31.7 Claes III A7400 rev. O Main Steen, 2 TVA class B Loop 4 ANSI B31.7 Class II

7. 2-MS-11 A7400 rev. O Main Steam, 2 TVA Class B Loop 2 ANSI 331.7 Class II S. RHR-1-68 A7198 rev. 9A Restoual Neat 1 TVA Class B Removal System 74 ANSI B31.7 Claes II PIPE HANCERS

9. 1-RNRN-462 A7198 rev. 9A Realdual Heat 1 . N/A

, . Removal System

10. 1-RHRH-440 A7198 rev. 9A Residual Heat 1 N/A

, , Removal System '.

STRUCTURAL SUPPORTS ' *

11. 0-C6HTCB732C0601P015 48N1301-2-rev. 8 Cable Tray 0 N/A 48N1305-5-rev. 9 . Support

12. 0-C6MTCB732C0602N013 48N1301-3-rev. 5 ' Cable Tray 0 N/A 48N1305-5-rev. 9 Support ,' .

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OFFICE OF NUCLEAR OPERATIOM3 *

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TABLE 2 !

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' PIPINC (Modified i i Item Identification '

{ No. of Weld _ Drawing No.

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System _ Unit Idorkplan No. s- Clase, t

13. 10456-A

' SEN 310 rev. 1 Main Steam System, 11590 '

1 TVA Clase,3 h" Socket Weld ANSI B31'.7 Class II

14. F-25A

' s Instrument Line ' ;,

A7263 rev. 9 Reactor.Coolan 1 , 10688 TVA Clasa A i System, 3" Sch e iN3I r31.7 ClahsII s

160 Inlet Line to..,., c Pressure Relief ( , .

Valve '

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PIPINC (Maintenance) ,

15. 1-PIPC-62 ,

CVCS Flow Sheet chemical Volume and 1 MR A237162 l (Pipe Cut, Blockage TVA Class C Control System 62 > ANSI B31.7 Class III Removed. Pipe Repaired) ,

.i iPIPE MANCERS (Modified) .

16. ICCM-1144 H10-1328 rev. 1 Component Cooling 1 9106 N/A STRUCTURAL SUPPORT (Maintenance

17. Reactor Coolant Pump SMI-0-68-27 ' Reactor Coolant 1 MR A545951 N/A 1-1 Platform rev. 0 Pump 1-1 1-PHP-68-8 i

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CONCERNS Not Significant Significant II-85-013-001 n 049-IO3, II-85-101-006 II-85-041-001 -

II-85-069-001, 11-85-069-105 II-85-083-001 II-85-108-001, n-85-108-002 II-85-065-001 IN-85-476-004, WI-85-041-002 II-85-086-003 WI-85-053-004, n-85-068-006 II-85-088-001 II-85-054-001 II-85-100-001 Ex-85-039-001 11-6.,-102-011 IN-85-426-002 WI-85-030-001 EI-85-OS2-003 IN-85-480-004 IN-85-282-002 EI-85-021-002 II-85-045-001 IN-85-346-003 IN-85-706-001 PH-85-012-103 IN-85-352-002

( IN-85-426-001 IN-85-007-001

) IN-85-134-002 L/ IN-85-406-003 IN-85-007-003 IN-85-127-001 II-85-069-003 IN-85-424-001 IN-85-406-002 IN-85-234-001 II-85-086-002 WI-85-041-008 IN-85-458-001 WI-85-041-006 WI-85-013-003 IN-85-441-003 IN-85-273-001 IN-85-007-003 EX-85-039-003 II-85-068-007 SQM-5-001-001 SQM-5-Q01-002 II-85-669-X13 -

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Attcshment A Flow Chart of Sequoyah Quality Assurance Program 7- ~ Office of Construction

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i TR75-1 M2G-877/N2M-865 G29 Drawings Construction

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I Implementing Procedures Welding Program SAR -

Safety Analysis Report TR75 Topical Report C29 -

General Construction Specification for welding, heat treatment, nondestructive examination, and allied field fabrication operations N2C-877 -

Construction specification for identification of structures, systems, and components N2M-865. - Construction specification for field fabrication, assembly ,

examination, and tests for pipe and duct systems O

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Flow Chart of 5:qisyth Quality Assurcato Pr gree Of fice of Nuc1 car Operations O .....- ,..

O SAR TR75-1 NQAM ,

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N2M-865/N26-877 N73H2 N80E3 Drawings l

Preer I,plementing

~g Procedures A

Welding Program SAR -

Safety Analysis Report TR75-1 -

Topical Report N2C-877 -

Construction spec for identification of structures, systems, and components N73M2 -

Process specs for welding, heat treatment, and allied field operations l - N80E3 -

Nondestructive examination procedures NQAM -

Nuclear Quality Assurance Manual ,

N2M-865 -

Construction specification for field fabrication, assembly, examination, and tests for pipe and duct. system

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P l 3.5 BECHTEL AUDIT REPORT 1

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TO : J. W. Coan F1t0H : A. M. Vuksan DATE : January 31, 1986

SUBJECT:

REPORT OF BIX2frEL QUALITY AUDIT OF SEQUOYAH NUCLEAR POWER Pt. ANT wetorna pnean3ns ., . .

The independent audit team from Bechtel Power Corporation conducted a formal quality audit of the Sequoyah Nuclear Power Plant's Nelding Programs during the weeks of January 13th, 20th, and 27th 1986.

Method and scope of the audit were in accordance with the Audit Plan for Sequoyah Nuclear Power Plant dated 01-17-86.

The following report details the audit team activities and identifies audit findings and observations of the Sequoyah Nuclear Plant Quality Assurance Programs as applied to welding activities.

'The audit addressed the welding programs as implemented during construction of the Sequoyah Power Plant and the current programs implemented by Nuclear Operations. Respectively, two audit

[ checklists were utilized by the audit team and are identified as TVA 01-OC for Office of Construction and TVA 01-N0 for Nuclear -

Operations. Copies of the checklists are attached as a part of this report.

Audit team members were assigned specific key elements of the checklist by the audit team leader based on the area of technical expertise held by the auditor. Cross checking between auditors and their checklist assignments was integrated throughout the audit at daily summary and review meetings conducted by the audit team leader, i

Dnployee concerns, Sequoyah specific and TVA generic were analyzed l by the audit team as detailed in the audit plan and incorporated into checklists TVA 01-OC and TVA 01-N0 as key element number 17.0 for both checklists.

For report consistency with the audit checklists, key element

{ sumaries, findings and observations identified for Sequoyah Office of Construction, (checklist TVA 01-OC) form Part A of this report.

Key element stannaries, findings and observations identified for l Nuclear Operations, (checklist TVA 01-NO) form Part B of this ,

report. For quantities of samplings and specific documents reviewed

by the auditors, reference to the applicable checklist should be made. Audit findings and observations are identified to a key element of the applicable checklist.

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2 J. W. Coen b January 31, 1986 i

REPORT OF BEOffEL QUALITY AUDIT W SEQUOYAH NUCLEAR POWER PLANT WELDING PROGRAMS AUDIT SUD94ARY - FINDINGS AND 08SERVATIONS As a result of the audit, one audit finding (AF) and four observations have been documented by the audit team.

Audit finding AF-01-OC is documented for activities concerning use and control of welding filler materials in the Office of

, Construction, (Key Element 12.0 of Checklist TVA 01-CC). As written, AF-01-OC indicates isolated administrative document and procedural errors in the overall program implementation, which, when analyzed individually had minor significance. When all identified errors are combined, their significance together dictated issuance of AF-01-CC. It is emphasized that the concluding impact of the identified program and procedural deviations had no direct impact on 4

actual weld quality since TVA procedural requirements were in excess of referenced codes and standards.

I p For Nuclear Operations, an observstion for initial welding

'l y, inspection personnel qualifications is documented (Key Element 6.0 -

of Checklist TVA 01-NO). It is recommended for administrative clarity that the NDE Personnel Qualification / Certification form be revised to incorporate either the certification expiration date, and/or the recertification status of the individual. Additionally, it is reccomended that the TVA NDE procedure used for

. Qualification / Certification of ME Personnel be identified on the certification doctament so that direct reference is established to ,

TVA specific requirements for certification of MDE personnel.

For Nuclear Operations an observation on the use and control of welding filler materials is documented (Key Element 12.0 of Checklist TVA 01-NO). In general, the observation addresses the complexity of the Receiving Inspection Procedure used for welding filler materials. Due to the length and cross referencing to other controlling documents, the receiving procedure limits its function for providing clear, concise instructions.

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O J. W. Coen b January 31, 1986 REPORT OF BECHTEL QUAI.ITY AUDIT OF SEQUOYAH NUCLEAR POWER p WELDING PROGRAMS of design output documents, the same observation is (Key Element 2.0 of Checklists TVA 01-OC and TVA 01-NO). For all of issue is not identified. detailed weld procedures (DWP) the specific T and traceability to the person and specific TVA organizationIt is reco tuthorized to issue and distribute DWP's, that the specific TVA organization responsible be identified on future or revised DWP's.

For Nuclear Operations, an observation (Key Element 11.0 of Checklist TVA 01-NO) on the retraining of personnel not requiring certification is documented. Since the retraining consnitment was for a general introduction to the QA/QC programs, the observation is not considered to have any direct impact on the welding program or its implementation.

V CONCLUSIONS AND PMENMDIDATIONS The following presents conclusions of the audit team based on their observations and analysis of the various TVA programs and procedures presented during the course of the audit. .

Office of Construction Activities 1.0 Actual welding controlled and weld inspections were accourplished by procedures.

All welding procedures and procedure qualification records indicate that the quality requirements of the applicable TVA program at the time of use were implemented.

Welders were qualified in accordance with TVA program and procedures as required.

Weld inspections, primarily nondestructive examinations were done using controlled NDE procedures which complied with the applicable codes referenced in controlling documents. NDE personnel were qualified and certified as required by the TVA program and procedures, in addition to industry standards in effect during the respective time period. Inspection personnel g -

performing visualution.

by written exarsi weld inspections were qualified and certified 0038X , .

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REPORT OF BECHTEL QUALITY AUDIT OF SEQUOYAH NUCI.FAR POWER PLAN WELDING PROGRAMS 2.0 Forms and documents used as evidence that work was accomplished l did not, in many cases, require that the actual revision number of the implementing procedure be referenced. In terms of traceability to the exact revision of the implementing procedures used, only an approximate reference of time could be made.

D 3.0 Entity and authority changes for upportier quality program manuals did not provide for consistent and uniform guidelines.

The number of quality programs implemented during the course of construction activities made it unclear as to who ultimately had program control and responsibility. This decentralized method of operation with multiple authorities assigned responsibility / control of the same or similar functions added elements of confusion, s

4 Although the upportier quality programs were complicated and often confusing, it is the opinion of the audit team that they had little, if any, impact on the implementation of the b

- functional welding and inspection procedures used for physical construction activities. As an example, during the entire construction phase of Sequoyah, the same radiographic -

examination procedure was used in a consistent manner. At various time periods during construction, different upportier QA programs were implemented all referencing in one way or another the use of the same radiographic procedure.

4.0 In addition to TVA exceeding many of the code / standard requirements in one or more documents controlling the same quality element, and due to the ntsnber of programs and procedures developed by TVA, there is little doubt on the part of the audit team that a quality program for the welding activities at Sequoyah was in use.

5.0 For the eroployev concerns incorporated into the audit checklist, the audit team was unable to substantiate any of the concerns as being valid or with merit.

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) January 31, 1986 REPORT OF BIDf7IL QUAI.ITY AUDIT OF SEQUOYAH NUCIIAR POW WELDING PROGRAMS Nuclear Operations 1.0 The Nuclear Quality Assurance Manual (NQAM) in use at Sequoyah was found to be well written with adequate program guidelines and criteria for control of the Nuclear Operations quality activities as related to welding.

2.0 Many of the referenced irplementing procedures in the NQAM were found to be excessively long, ambiguous, and do not give clear and concise instructions to personnel to perform their activity.

3.0 Forms and documents used as evidence of work accomplis}eent or qualification / certification status do not require the revision nu:nber of the controlling procedure to be referenced. It is recoecended for improved traceability back to the correct implementing procedures that this practice be adopted by TVA.

4.0

( I As was experienced during the construction activities at '

Sequoyah, various secondary quality programs are being, or have been developed for Nuclear Operations:

1.e. AIs, tis. In many instances, these documents only repeat requirements of the WQAM and the implementing procedures referenced therein. It is recocinended that whenever possible the quality program be centralized to one level of authority for uniformity and consistency.

5.0 For the employee concerns incorporated into the audit checklist, the audit team was unable to substantiate any of the concerns as being valid or with merit.

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J. W. Coen January 31, 1986 REPORT OF BECHTEL QUALITY AUDIT OF SEQUOYAH NUCLEAR POWD WELDING PROGRAMS General In general, employee concerns broke down into seven categories due to more than one employee identifying the same concern.

Seven concern categories were incorporated and addressed in Eey El+eent 17.0 of the audit checklists. There are no aJolt findings or observations relating to any of the employee concerns.

It is significant to the audit team that procedures were in place beginning in 1972 to provide the craft supervisors with quality assurance documents (procedures).

The audit verified that by procedure, craft supervisors signed and returned a transmittal letter to indicate receipt of procedures with.that an effective quality program was in place and complied and From the nature of the concerns analyzed, it appears that there was a lack of understanding by the craft personnel of how the O Sequoyah Quality Assurance System functioned and this lack of understanding is the initiator of many of the employee concerns. -

hk /.3/ff$

A. M. Yuksan / /

Bechtel Audit Team Leader AMV:MBS e . .

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January 11, 1984 \

1 2 - AUDIT ASSICleftNTS _

j -AuditoE i

Audit check' List' iteme'- (Key Elemente) 4 _ _ _

A. M. Vuksen 11.0 14.0 15.0 17.0 D. R. Cady 6.0 7.0 8.0 10.0

$ ^11.0 16.0 S. W. Borenstein

! 12.0 17.0

5. R. Carreffa 3.0 4.0 5.0 W. 3. Keyser )

4 2.0 9.0 13.0 I

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KrY EI.EMort NO. 1.0 p g, . , .

Q OfTICE OF CONSTRUCTION PREPARATICN FOR AUDIT OF WELDING ACTIVITIES identified applicable docurneTts. specific manualsPrior e an audit plan and

, specifications and procedures which described and implemented the TVA welding activi .

The audit te u developed an audit checklist to' addre'ss all identified in the TVA work plan in addition to analysis elements of for significance and integration into the checklist. employee concerns from applicable TVA specifications.The audit team identified and s e systems drawings applicable to each individual system for programmaticWelds audit.

w KEY ELDENT 2.0 OFFICE _OF CONSTRUCTION ADEOUACY OF DESIGN OUTPUT DOCUMDTIS For items selected for audit. drawings, welding procedures and records were procedures. reviewed and showed cotepliance with the supporting TVA program and OBSERVATION One observation was noted during the audit of the welding u ocuments.

outp t d The TVA detailed organisational group. welding procedures (DWP) did not show the name By showing the name of the key unit that isof the key

. welding documents could have been readily resolved. e respo KEY ELD (D(I 3.0 OITICE OF CONSTRUCTION INITIAL WELDER OR WELDING OPERATOR OUALIFICATIC Based on audit of welder qualification records and supporti TVA welders were qualified in accordance with TVA programs a dng documen "

n procedures. ,

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- . . . - _ , -- . ._. .- - - . _ - _ . - -_ _ _ - . = _ _ - - . - - _

KEY ELEMDIT 4.0 p

Q OFFICE OF CONSTRUCTION MAINTENANCE OF WELDER OR WELDING OPERATOR QUALIFICATICNS .

Based on audit of welder maintenance records. TVA welders demonstrated welding and within certification espiration dates as required by TVA programs procedures.

KEY ELEMDfT 5.0 OFFICE OF CONSTRUCTION RENEWAL OF WELDER OR WELDING OPERATOR QUALIFICATIONS Based on audit of welder qualification records'and maintenance records. TVA welders were requalified in accordance with TVA programs and procedures.

In many cases TVA welders were given the original qualification test for renewal which exceeded ASME IX and AWS D1.1 requirements for renewal.

KEY ELDENT 6.0 OITICE OF CONSTRUCTION INITIAL WELDING INSPECTION PERSONNEL QUALIFICATION

{

Qualification / Certification records for nondestructive examination personnel (weld inspection) were reviewed for compliance with TVA NDE personnel March, 1983. procedures covering a time span from January,1971 through qualification TVA personnel qualification procedures used for the qualification /

certification of NDE personnel complied with and referenced the applicable edition of SNT-TC-1A (American Society of Nondestructive-Testing).

Records evidencing qualifications and certifications contained sufficient detail to confirm compliance with applicable codes, standards and specifications in effect during construction activities.

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6. 44 OFFICE OF CONSTRUCTION MAINT DANCE OF WELDING INSPECTION PERSONNEI. OUALIFIC Review of inspection personnel qualification records for completeness and recertification confirmed compliance with TVA procedures used for qualification certification of NDE personnel.

personnel was accomplished as required by appliaable procedures.Recertification In many o

instances schedule racertification than of procedures required by TVA personnelorwas ace splished on a more frequent idustry standards, (SNT-TC-1A).

KEY ELEM mf 8.0 OFFICE OF CONSTRUCTION RMEWAL OF WELDING INSPECTION PERSOmfEL QUALIFICATICN Renewal of all welding inspection personnel qualifications selected for audit indicated compliance with referenced TVA programs and procedures, i

KEY ELEMENT 9.0 OFFICE OF CONSTRUCTION USE OF APPROPRIATE WELDING PROCEDURES Detailed welding procedures and qualification records applicable to the audit items were reviewed.

showed ccepliance with the TVA program and procedures.Postweld heat treatme KEY ELDIENT 10.0 OFFICE OF CONSTRUCTION USE OF APPROPRIATE INSPECTION PROCEDURES For items selected for audit, appropriate inspection procedures were identified for use.

requirements and referenced codes and standards. Procedure review showed co 4 =

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KEY EI.D4DiT 11.0 4

OFFICE OF CONSTRUCTION USE OF APPROPRIATELY TRAINED AND t)UM.IFIED PERSONNEL Records of all certified personnel audited indicated that appropriate training TVA programs had been and procedures. administered and qualifications were in accordance with

! written examinations were maintained as evidence of trainin qualification.

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Training records of personnel not requiring certification were not 4

maintained since they were classified as Duration of Construction (DOC) documents.

programs andClassification procedures and as DOC documents referenced codes and standards. was in accordance with TVA J

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KEY ELEMDff 12.0 m

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USE AND CONTROL OF WELDING FILLER METALS Audit Finding - AF-01-OC comply with TVA project specifications. Certified a s did material not test re identified in Attachment A. Details on each package are metal specifications and had no impact on er weld qua stated that heat treatment was done at 1150*F for 6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months .For example, a CMTR specification required the heat treatment to be 1150*F for 10A hoursThe TVA letter in the permission contract to use as is. file from TVA addressed this deviation .

ve and ga identify manufacturer, heat or lot number.However, the letter was not signed and This finding indicates that the TVA procedures were note follow although d

referenced code requirements were complied with.

the audit strongly supports the conclusion that there waspact no imThe on the data reviewe actual weld quality related to control of welding filler materials .

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SUMMARY

OF FlWDlWCS FOR ELEMENT 12.0 (Office of Construction)

(AF-01-OC)

Weld '

Filler Metal Project SFA Fcckage Classification Specification Spec.

to referenced .

Heat No. Lot No. Comments s chsektist)

29. E 7018 PF 1012 rev. 2 5.1 422 Nil 51 -

See comment 1.

30. r 70s.3 pr logg rev. 2 5.18 623389 i

See comment 2&3 34 E 7018 9-PF 1012 rev. 2 5.1 01W019 2241342 w

See comment 1.

35. E 7018 4 PF 1012 rev. 2 5.1 412L7101 3034015 See comadhe 1.

36. E 7018 PF 1012 rev. 2 5.1 402N8581 2443662 See come at 1.

37. E 705-3 PF 1019 rev. 2 5.18 431J5621 -

See comment 3.

38. E 70S-3 FF 1019 rev. 2 5.18 625537 -

see comment 3.

39. E 7018 PF 1012* 5.1 411N0471 -

See comment 1.

40. E 7018 .

PF 1012 rev. 2 5.1 08R217 -

See comment 1.

46. E 70S-3 FF 1019 rev. 2 5.18 421E9101 1 -

. See commente 2 6 3.

48. E 705-3 PF 1019 rev. 4 5.18 42277432 See comment 3.

I Comment (1): CMTR states heat treatment (h.t.) 0 1125' Ft 25* for 8 hours9.259259e-5 days 0.00222 hours 1.322751e-5 weeks 3.044e-6 months . The project spec. required the h.t.

I to be 0 1150* F for 10 hrs.

Comment (2): CMTR states h.t. G 1150' F for 6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months . The project spec. required the h.t. to be 1150' fod 10 hre.

omment (3): The project spec. and SFA 5.18 requires the yelld strength. C!TR did not state this information.

123 Co rev. given on CMTR'or receiving report. Assume rev..,2 1

KEY ELIMDir 13.0

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OFFICE OF CONSTRUCTION IN PROCESS CONTROL OF WELDING The inprocess control procedures for welding were identified for the items that were selected for the audit.

activities and operation checklists were reviewed.TVA documents that controlled we

.The review results showedprogram welding the construction work was accomplished in accordance with the TVA and procedures.

KEY ELDerr NO.14.0 OFFICE OF CONSTRUCTION DOCUMENTATION OF TE0011 CAL AND OUALITY ACTIVITIES Reference Key Elements 2.0 through 13.0, and 15.0 through 17.0.

KEY ELCENT 15.0 OFFICE OF COMSTRUCTION NOHCCtIFORMANCES AND CORRECTIVE ACTIO'IS v

Review of nonconformances and corrective action reports for completion and for this activity. closure, confirmed compliances with *lVA program and proced KEY ELDiENT 16.0 OFFICE OF CONSTRUCTION TRAINING PROGRAMS Training requirements for personnel not requiring certification were reviewed for compliance to the TVA program training manual and referenced procedures.

Since limited data was required to be retained on individual within TVA was the primary objective accomplished by the .

For training programs this report:for details. requiring certification, reference Key Element 110 of 0031X k

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KEY ELD (ENT 17.0

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h]' OSTICE OF CONSTRUCTIGf DtPLOYEE CONCERNS 17.1 Concern No. XX-85-049-X03 and XX-85-101-006 certification. regarding welder This concern was not substantiated by the audit of a randomfrom records sampling of 37 welders which involved 124 welder qualification 1970 to 1979.

17.2 Concern No. XX-85-69-001 and XX-85-069-X05 regarding welder certification and on-the-job training.

This concern was not substantiated by the audit of a randosa sampling of 37 welders which involved 124 welder qualification records feca 1970 to 1979 .

17.3 Concern inspections.No. XX-85-108-001 and XX-85-108-002 regarding weld audit of a minimum of 14 inspection procedures.This concern co 17.4 Concern inspectorsNo. IN-85-476-004 training program. and WI-85-041-002 regarding welding as evidenced by audit of training programs.This concern could not be substan 17.5 Concern satisfying No.

codeW1-85-053-004 requirements. and XX-85-68-006 regarding weld rod control O audit of a random sampling of 48 receiving documents and associ CMIR's which involved 83 heat and/or lot number, 8 types of weld metal 572,000covering the years 1972 to 1980.

pounds of weld metal. Although1 audit finding, AF-01-01This repres against Key Element No.12 of this report is documented against the TVA program, it involves details required by TVA procedures over and above impact on that required weld quality. by ASME filler metal specifications and had no The code. statement in the concern shows a lack of understanding of the weld filler metal but gives two methods to chose fromFor ex to each component or ensure the specified material Either is trace used by a control procedure.

the standards and, therefore, did not require traceability to a component.

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KLT El.EMENT 17.0 v

OFFICE OF CCNSTRUCTICH &

EMPtovrE cmcEnns (continued) 17.6 Concern No. XX-85-054-001 regarding weld inspection by craft. This from the weld history records for the welds rconcern ectors pulled holdpoints certified were inspectors. found to have beenNosigned off bw nspectors.

y anyone other than This concern may be referring to structural Structural up and fir.a1welds and piping have different codwelds instead of piping.

inspection.

procedures for structural welds.No holdpoints are required by the TVAe req 17.7 Concern rod). No. EX-85-039-001 regarding weld cont This procedures. concern was not substantiated by the auditrol (stubs and unus of applicable included verification of welder identificatioAc daily surveillan welded and the procedure being used .

n, the feature being (such as a.mperage) were verified to assuVariables from the procedure

,_s the procedure properly.

[\_ >;'

Welding rods, ovens and controls serere that welde monitored to assure issued the proper rod that tne welder had requested th 300 ruction.

const surveillances a mo, nth were performed ars of peak during yeand wa Approximately 0031X

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i PART B SQN NUCI. EAR OPERATION:l ee 1

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January 11, 1986

AUDIT ASSICNNENTS A"dIt'E -

Audit check List teens - (Kev Elements)

4. M. Vuksan 11.0 14.0 15.0 17.0 D. R. CadY 6.0 7.0 8.0 10.0 11.0 16.0 S. W. 3orenstein 12,0 }y,o S. R. Carreffa 3.0 4.0 5.0 W. B. Keyser 2.0 9.0 13.0

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33Y EDIDif NO.1.0

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' W b OPDtATIONS PREPARAT!W FOR AUDIT OF WELDING ACTIVITIES Prior to the start of the audit, the audit team developed an audit plan and identified applicable documents specific manuals, specifications and procedure which described and implemented the TVA welding activities .

The audit team developed an audit checklist to' address akl elements for significance and integration into the checklist.rnsidentified based on availability, og:The audit team identified and ms selected a cros replaced fell under Nuclear Operations program for audit.only systems wh Welds were randomly selected programmatic audit. from drawings applicable to each individual system for KEY EI.DfDir 2.0 NUCI. EAR OPERATIONS ADEOUACY OF DESIGN OUTPtTT D0ctfMDITS For items selected for audit, drawings, welding procedures and ng supporti records were procedures. reviewed and showed compliance with the TVA program and **

CBSERVATION One observation was noted during the audit of the welding output ments.

docu The TVA detailed organisational group. welding procedures (DWP) did not show theey name of the k By showing the neae of the key unit that is welding documents could have been readily resolved. respons i

KDr ELD (DrT NO. 3.0 NUCI. EAR OPERATIONS INITIAL WELDER OR WELDING OPERATOR OUALIFICATIONS Based on audit of welder qualification records and supposting docu mentation,

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KEY ELENDrr NO. 4.0 O . nr * -+-

NUCLEAR OPERATIONS .

MAINTENANCE Or WELDER OR WEI. IS DING OPERA Based on audit of welder maintenance records welding within certification expiration dates as, TVA welders demonstrated and procedures.

required by TVA prograne KEY ELEMDrr NO. 5.0_

NUCLEAR OPERATIONS RD.'EWAL OF WELDER OR WELDING OPERATOR OU Based on audit of welder qualification records and maint welders are requalified in accordance with TVA programs enance records. TVA and procedures.

KEY ELD'Drr 6.0 E LEAR OPERATIONS INITIAL WELDING INSPECTION PERSONNEL QUALIFIC_

( All inspector qualification records (NDE. to include visual audited indicated compliance with TVA programs examination) ande procedures and referenced codes and standards. -

OBSERVATION TVA Form 6780 (as referenced in procedure qualification and certification does not 0202.14) usedidentify clearly to documenttheNDE recertification status of the individual.

when requirementsindividuals of Procedure are actually certified inu accordance rements e specifac w

Certification Prngram for NDE Personnel.0202.14 (formerly N75C01), Qualification Program clarity and definition could be improved by the either adding certification 6780. expiration Specific reference date or recertification statusonas to Procedure Fom an entry 0202.14 would provide for direct reference and compliance on certificationwith TVA(6780) forms DE personnel N

qualification, employed.

certification requirements and practices c for ea h NDf method "

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KEY ELD <DrI 7.0 NUCLEAR OPERATIONS MAINTDIANCE OF WELDING INSPECTION PERSONNEL QUALIFICATIONS All welding inspection personnel qualification records audited were in compliance standards. with TVA programs and procedures and the referenced codes and

. The observation detailed in 6.0, " Initial Welding Inspection Personnel Qualifications" deletions. is also applicab'le to this element with no changes or KEY ELD 4D(T 8.0 WDCLEAR OPERATIONS RDIEWAL OF NELDING INSPECTION PERSONNEL QUALIFICATION For all records of personnel audited, re'newal of welding inspection personnel qualifications are in compliance with TVA programs and procedures.

KEY ELD (ENT 9.0

} NUCLEAR OPERATIONS USE OF APPROPRIATE WELDING PROCEDURES Nelding procedures and heat treating procedures were audited against the referenced Nuclear Operations documents and found to be in compliance.

KEY ELD 4DfT 10.0 WUCLEAR OPERATIONS USE OF APPROPRIATE INSPECTION PROCEDURES For all items audited, applicable inspection procedures were identified for use as referenced in TVA program and procedures. '

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KEY EI. DENT 11.0 NUCLEAR OPERATIONS USE OF APPROPRIATELY TRAINED AND 9JALITIED PERSONii f Personnel Reoulring Certification:

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By review of personnel training records and governing TVA training

]

procedures, use of appropriately trained and qualified personnel was verified.

a Personnel Not Requirino Certification:

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TVA program procedures, (General Dnployee Training - CE o8SERVATION 4

! Procedure AI-14 (Plant Training Program) Revision 31 and Area Plan 0202 04 Revision 0 require retraining on a biennial basis for general employee '

CET-4 Instructions to QA/QC.

1 A review of training records for general employee training CET-4, revealed 4 i

i out of 12 individuals were overdue for retraining. f Procedure AI-14 and Area Plan 0202.04 do not provide for any penalty or restriction of activity for failure to comply with the retraining time frame.

3 h determine need for retrainiRecommendation - Subject plant training program A .-

, deletion of the requirement.M time frame and provide for restrictions or 4

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KLY ELDGVT 12.0

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NUCLEAR OPDtATIONS =:9M ~~. "

7 5 USE AND CCNTROL OF WELDING FILLER METALS

,. -- OBSERVATICW --

s The site controlling procedure for " Receipt Inspection" is unnecessarily longforand are confusing (reference AI-11, Revision 38, 66 pages).

example: Extractions

2.5.2 i As part of the receipt inspection of Level I items, Level II substituted items, or Level II items to which Part 21 applies, either purchased by WUC PR or EN DES and shipped from the vendor to NUC PR, the QC inspector shall review and verify manufacturing documentation and material certifications of physical properties as foll.ows:

a.

Manufacturing Documentation-Assurance that the item received was fabricated, tested, and inspected prior to shipment in accordance with applicable code, specification, purchase 5

contract, and/or drawings.

', b.

Physical Properties-Assurance that physical properties conform to the specifi&d requirements and that chemical and physical test reports, if required, meet the requirements."

A9other worded andcontrolling organized. procedure, power stores SIL-8, "QA Records," is poorly filed. For example: f 2rsonnel can infer four places t'or CMTR's to be --

J.

The receiving report (TVA 209), packing list w/related documents, SQA45 (Attachment 11), TVA 2652 (Purchase Request), Quality Ansurance Certifications, changed QA Level Assignments, Material Receipt Inspection Report (AI-11, Attachment 1), ECN Material Receipt Inspect:fon Report AI-11, Attachment 5), AI-11, Attachment 16, NCI Tag ~(WA 7830), Recommended Disposition of Nonconforming n Items (AI-11, Attachment 10), OSSD or D (TVA 210), TVA 9640, and TVA 5050 are filed in the procurement document folder or attached to the TVA Form 575 or attached to the procurement document or eflied unJer procurement document number."

Yet anoth ;r controlling document Heat Treatment and Allied Field Operations" requires that CMTR's sh materials from power stores. approved by the metallctgy and standards group p

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LTY ELD 4DIT 12.0 (s-+ .

USE AND CONTROL OF WEISING FILIJ5t METALS (continued)

Too many controlling procedures are required to ube used sim lt the job of control of welding filler material effectively aneously to do program and the people trying to enforce the programputs This ine athe position.

vulnerabl The material receipt inspection report (Attachment 1 of AI 11) item on a shipping ticket or a contract document .

refers to an It does not list what is being inspected, such as weld filler metal .

with heat n

.One document The program could be condensed and simplified to be more f vulnerable to error and misinterpretation by the users .

unctional and less A

0031x

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! Page 8 of 11

KEY ELDG2iT 13.0

-.. w - N OPERATIONS INPROCESS CONTROL OF WELDING Auditing covered the TVA documents that controlled theg weldin operations.

The audit results confirmed compliance with the inprocess cont ref.orenced TVA documents. rol of the KEY ELDENT NO.14.0 NUCLEAR OPERATIONS DOCUMENTATION OF TECHNICAL AND QUALITY ACTIVITI Reference Key Elements 2.0 through 13.0 and 15 0 through .

17 0 KEY ELEMENT 15.0 NUCLEAR OPERATIONS NONC0hTORMANCES AND CORRETIVE ACTIONS

( Review of nonconformances and corrective action reports for and completi closure, for this activity. confirmed compliances with TVA program and on procedural requirem KEY ELDENT 16.10 NUCLEAR OPERATIONS TRAINING PROGRAMS I

to the welding program were reviewed for Reference Key Element No. 11. m.

a e complianc 0031X

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O /

Page 9 of 11 ev - _-- - - . - - - - . _ , , - , , , - , _ . - . , - . , - ,-_ __- - - - - _ _ . - _ _ _ , _ - _ ., .g.. , , . - , . - , - - - - - - - - _ - - - - ,

KEY ELDENT 17.0 I ,

OFFICE OF NUCI. EAR OPERATIONS 17.1 Concern No. XX-85-049-X03 and XX-85-101-006 regarding welder certification. This concern was not substantiated by the audit of a random sampling of 25 welders which inyolved.107 welder qualification records from 1972 to 1985.

17.2 Concern No. XX-85-69-001 and XX-85-069-X05 regarding welder certification and on-the-job training. This concern was not substantiated by the audit of a random sampling of 25 welders which involved 107 velder qualification records from 1972 to 1985.

17.3 Concern No. XX-85-108-001 and XX-85-108-002 regarding weld inspections. This concern could not be substantiated as evidenced by audit of a minimum of 14 inspection procedures.

17.4 Concern No. IN-85-476-004 and WI-85-041-002 regarding welding inspectors training program. This concern could not be substatiated as evidenced by audit of training programs.

17.5 Concern No. W1-85-053-004 and XX-85-68-006 regarding weld rod control satisfying code requirements. This concern was not substantiated by audit of a random sampling of 25 receiving documents and associated CMTR's which involved 25 heat and/or lot number, 6 different types of -

weld metal covering the years 1976 to 1985. This represents approximately 19,000 pounds of weld filler metal.

The statement in the concern shows a lack of understanding of the code. For example, ASME III, NB-4122 requires traceability of the weld filler metal but gives two methods to chose from. Either trace to each component oc ensure the specified material is used by a control procedure. TVA's program required that all the material meet the standards and, therefore, did not require traceability to a component.

17.6 Concern No. XX-85-054-001 regarding weld inspection by craft. This concern was not substantiated by the audit of 4 inspectors pulled from the weld history records for the welds reviewed in the audit as well as by an additional random sampling of 10 inspectors. No holdpoints were found to have been signed off by anyone other than certified inspectors. -

0031X .

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a Page 10 of 11

KEY ELDtDrr 17._0

. e 4*.

OfTICE OF M IAR OPERATIONS (continued)

This concern may be referring to structural welds inst Structural welds and piping have different code ead of piping.

requirement up and final inspection. s for fit procedures for structural welds.No holdpoints are. required by the TVA 17.7 Concern No. EX-85-039-001 rod). regarding weld control (stubs and unused This procedures. concern was not substantiated by the audit cableof appli verification of welder identification, the feature bei the procedure being used. e amperage) properly. are verified to assure that welders are using rocedure Welding rods, ovens and controls are monitored that the welder has requested the proper rod to as sure rod, and is using the proper rod. , was issued the proper

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0031x Page 11 of 11

- (As Requested by the TVA Welding , J. Coan)

Project Manage (ss_-)

and TVA 01-NO. the auditIn additon to the systems and -0C welds identified for programmatic audit. team selected five additional welds or compone,nts from systems which were undergoing reinspection by TVAThese ve These welds or components were identifed as follows:

Identification of Number

_W eld /Comoonent Drawint No.

TVA QEB Croup No.

Al _ Audit Status Pipe Ranger H65-487 HK No. IABPH- 2 467 S A2 Pipe Rupture 48W1227-1 4 Protection thru S

Barrier 48ul227-3 A3 cable Tray Support OlA-HTAB 48N1315 thru 3 S 48N1322 690A05045006 A4 Duct Hanger 47W920-3H 5 003HDABh VAC S 7835 AS 2-AFDF-20DD W/P# 10554 1

, S The above checklist veld or components were audited for all the keyn eleme TVA-01-Oc. s of t

noted. There were no additional findings or observations ADDITIONAL ITE XS REQUESTED TOR REVIEW BY TVA NOI's SQ-0025. SQ-0201 and HR-550488 were reviewed by the audit t documentation completeness. eam for ation was in order. The audit team verified that the document-

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Page 1 Of 1 043

(,) '

6 O.UALITY AUDIT CHECKLIST .

COVER SHEET 4

...g .... TVA .

, , , , , , , , Velding Project Audit " ' '

s e . . . . u s , ... -

TVA 01-NO

==

0 .

Sequovah 1-86

. ..... .... _ ih wa Aiks f j /

WeIdinE Program See page (2)

......:............ _ (NO) - Nue1 ear Operaeions r . .. .. ......

e 1 2.

. Topical Report (TR 75-1) e NQAM 8

3. '4/A N2C-877/N2M-865 N/A '1-14-85

4. N73H2 4/3

5. N 80E3 N/A 12-09-82/4-12 ' 7 12-20-85 N/A 01-12-85 See Attachment B

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e 9

T SFP 20606

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QUALITY AUDIT CilECKLIST 1 Checklist No. TvA 01-m 2 Page of _ 5 ITEM 3 j -1 ELEl4ENT CHARACTERISTIC '

REFERENCE 1.0 fiETHOD OF YERIFICATION AUDIT RESUL T g PreparatioE for Audit of Welding ~

Activities (1) 1.0 (2) Determine a'nd identify appit-(3) cable documents, the required t heet 1, M

(4) edition, addenda, revision or (5) amendments of specific manuals, i specifications, standards, and ,

1. 1 procedures which apply.

Identification of Coverning Documents (Hanuals, Specifications, Standards, Procedures).

2.0 Randomly select systems and items by drawing review. Select specifit welds to be audited.

l.2 ,

Determine what to audit. ,

o 3.0 The welds shall be a cross' section g40 from safety related systems to /~"J#~#g allow complete access to all appli- b cable weld programs, procedures anc g .T' specifications. Enter selected ,

items on sheet 1.

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1 Check 11st No. g y g g o

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ITEM l

ELEllENT CHARACTERISTIC '

REFERENCE

.. HETHOD OF VERIFICATION

' AUDIT RESULT '

12.0

' Adequacy of design output documents

) [ M 4 I#* , Y,.[r/. y* N # "" # # (2) 1.0 g ry4 Jerr,,a

-re W./, Maa. v rer/44 4 as,1,4 r ; Part II, Sample a minimum of 15 drawings to Sec. 6 adequacy: le. where applicable see sheet 5 e7. , r 4 74 4 k e r s4 s ,p 4 rs ,

$ 4*Cfo *W / 7. / #'sM Mf'aN (1) drawing number, revision number,

?' Caws 94r e vreAt sferrox 17. s f*4 s*<*wr ope /aroeu title, details and weld symbols. S

" Adequacy of Design Output Docu-ments" The technical or engineering adequacy of the design output 2.0 documents is not Sample 10 welding procedures for adequacy; i.e. welding varitsles See sheet 6~

their adequacy is to to bc be researcheds checked given.

in the sense of completeness of y, y ,, C) information for the organizat- f y y,,,p gggf,yg,gg,, ,:,,,e iondocument or individuals who must use

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with the program. to continue forward g

3.0 (1) /k/a Abr ~ to/rv/1s', s/*L .1, h14f 3,3fc!'au A 9, Veri fy procedure qualification

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f'ne t'As t a og <~r en ., ..aa a a a rtCord'. j(

' sceri.a 2 Ae< *tosarre s.oorN PAnr it, t,se notsosvs 1.Ae4 PL A ur m oon!* <* ts*ws Arraa t re.vseu s. 2, d ese. /8/* */P4cosran n o sat fno<r it ,

w er o s, (,

,4 s cousxso su A+4rK,.18tr'avd.r. 4.0 The above samples shall include ,

(3) ppAn No. N9')M 1, OlsM5**N en the drawings and welding procedure:

it* stag pa ge, Ae.<rs s .rrse,, sic.4 r,,y p.4 Identified in sheet 1.

s.res. o ru g,,

HEAR YA6 m eNro AND

. A u seo i= irs o e u s.a rr* x.s.

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't 'e 2 Page, 5 of zi3_

' ITEl1 ELEllElli CilARACTERISTIC

REFERENCE ltETil00 0F VERIFICATION

' AUDIT RESULT

! 3.0 -

i initial weld &r or velding operator .

qua li fi ca t ion s . (1) 1.0 (2) Part II ,

Verify that welders are qualified Sec. 6 in accordance with TVA approved A NLich 6LC VILLOCK Qv As,$ptg A Yggd procedures.

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Ceuctat see s orac i rtocrootr 54 corn +rs4 g j , ,, y 7 i p ,, 2.0 l.C I A Examine welder a minimum of 20 initial qualifications. see dheet 2

/ t Av2 / 3 2 . y.3 This sample '

shall include welders identified

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E * $.I / !su 2 / ) .1. y 3 per weld number in sheet 1.

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fe t re tm aa u c ontoerss roa d 3.0 List applicable welder qualifi-lM.2.2 / Ad\l ~ 3 / l-k4- VS cation procedures

$EC Liff StAsID I*C.7.2 / Rev- 1 / J 8f-y3 C a L UM A5 f

For the purpose of this audit the term welders shall include welders and welding operators.

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ELEMENT CHARACTERISTIC _

4.0 REFERENCE -

N i

Haintenance..of welder or welding f tETil00 0F VERIFICATION .# _,

operator qualifications. (1) AUD!I RESULT l 1.0 (2) Part II, Examine the maintenance records 1 Sec. 6 See eet 2 (4) for a minimum of 20 welders to verify welding within velder certification expiration dates.

. I i

2.0 List applicable welder qualift-cation procedures for review.

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REFERENCE ftETH00 0F VERIFICATION

'. AUDIT RESULT 5.0 Renewal of velder or velding

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' operator qualifications. (1) 1.0 i

(2) Part II, Examine the maintenance records See sheet 2 Sec. 6 for a minimun of 10 welders to verify renewal.

(4) 2.0

List applicable welder qualifi-cation procedures.

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Checkitst No. _ TVA-03-"(

2 Page _ 8 of _20 ELEllENT CHARACTERISTIC REFERENCE 6.0 !!ETH00 0F YERIFICATION g AUDIT RESULT i

Initial welding inspection personnel qualifications. (1) 1.0 (2) Part II . Review inspector personnel qualift-

! Sec. 6 cation records using the welds See sheet I i

(4) selected for the audit as the

! means

- for identifying inspectors.

t 2.0 Review qualification records for compliance cedures.

with referenced pro-g

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NDG Ncaomvat cpeMurxniu 3.0 Randomly select qualification records for a minimum of 10 see sheet 3 additional welding inspection

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i 4.0 List procedures used for qualifi-cation of inspection personnel.

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.-flTEM ELEMENT CHARACTERISTIC 20 1_ REFERENCE

.. 11ETil0D OF VERIFICATION #

7.0 . AUDIT RESULT

! ttaintenance of welding inspection

' personnel qualification. (1) 1.0 (2) Part II ,

Review welding inspection person ne Sec. 6 qualification records for comple t- ,['

(4) ness and re-certification compli-ance to identified procedure. ,/dfC / 2f'#t

, 2.0 As a minimum, review qualification records on 10 personnel. See sheet 3

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ELEllENT CHARACTERISTIC '

80 REFERENCE !'

HETl!0D OF YERIFICATION i Renewal of #elding inspection AUDIT RESULT-personnel qualification (1) 1.0

.! (2) Part II Select and identify a minimum of -

Sec. 6 10 inspection personnel qualifi- See sheet 3 tons.

I i

! 2.0 \

Review for renewal of qualiff-cations in accordance proccelures. with TVA Identify controlling

- procedures and list below, i}

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ELE!1ENT CilARACTERISTIC I_. REFERENCE 9.0 HETil0D OF YERIFICATION Use of appr'opriate welding pro- AUDIT RESULT l cedures. (2) Part II

.Sec. 6 1.3 Twest cecuerarr saadt Identify welding and heat treat-fog eraoto erer**~c: ** ** o (4) ment procedures applicable to 1

(O NO A As welds listed on sheet 1. 'fg

{v Nd hvors en oor poe n ra d te s-de :l e m wo. y s w 2, root M eet s2* s ,,

TNesse ner ea- ped d prar *-' h* ed *, <;

recre riteo r +a ru r, nue Assode 2.0 List welding and heat orixerseas pg vore M Aw.* *

rosa r s. eu rarao procedurce on sheet 6. treatment g so es.* o u a. se nacconerz .o, root I

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3.0 Verify that the velding pro- .

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cedures are appitcable to re-ferenced weld joints. .I

' 4.0 Verify that heat treatment pre- l

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cedures app!! have been used where cable. b

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' ITEM [

ELEMENT CHARACTERISTIC of _ 2[

1 1; .,

REFERENCE 1

j F1ETil0D OF VERIFICATION g

10.0 AUD1 T RESULT

!

Use of appropriate inspection procedures.

(2) Part II. l 1.0

//oCtgN / toc (et/46 /I~02 Sec. 6 t Identify and review inspection pr o-07,4 (4) cedures used for examination of See sheet 1

\,D/M)N PO G.T' /-//-Pf' (s) welds identified for audit.

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//ote' A/DC /'4cC(4 ard A4C t D Ec/fl.or*c~.O AND /JJVfD /N' 2.0 Verify that

~ the inspection pro-

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cedures are applicable to,ref-enced' weld joints. 8 4 0 l'A Y fi Com/cerE NM r'k*ocEDC/cc /M)r A!-t*7=-4' ACL/. Q AND &

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I 11.0

] REFERENCE b i )

t1ETil0D OF YEPIFICATION Useofappr[priatelytrainedand AUDIT RESULT

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qualified personnel. (2) Part Il e i 1.0

! I '

Sec. 6 I Identify programs and procedures

See sheet 3

' &5 l used for training of personnel.

(4) '

Using the welds selected f or audi t

. j ident ify a minimum of 10 personne l training and qualification record s /ff/ C, f.yp.4 .

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2.0 Review training records for compliance and completeness with ggfr Jg

. governing procedures.

I 3.0 ,6c%c 1.ist applicable procedures used.

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ITEf4 f' ELEl1ENT CHARACTERISTIC ' ..,'. . . -

REFERENCE ' .3.- ..

I4ETif00 0F VERIFICATION AUDIT RESULT 12.0 ~

Use and cont'rol of welding filler t 0 materials. (2) Part II , 1.0 Verify that veld filler control i Sec. 6 procedures exist.

Part III Sec. 2. 2 g ,"(. 2. 0 le/V 6 Sec. 2.3 (4s 2.0 1.ist weld filler control pro-cedures,

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A s.34 st. y , 4 ~ td y ~ 4 / y l.j. (cy 3.0 Review a minimum of 25 filler ma t e ria l C,ITA 's . agains t veld

material specifications, and QA C 3d documentation of inspection. g, 'h ,

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i ELEllENT CHARACTERISTIC '

REFERENCE 11ETil0D OF VERIFICATION 13.0 AUDIT RESULT Inprocess c ntrol of welding.

t Thess o.cv/waurs aus4e 44 sse s'* 4 (2) Part II , 1.0 Identify and list the TVA docu-

Sec. 6 rue . red.c. ca re*" K " ments that control welding oper-(4) ations.

NN^ *S*$ Review documents for ade -

quacy to program requirements.

setro en c. - sr.'e,n fotoco'stes f. 0.oesttf4 AAs /O A 1t gens 3, p,,,,, ,,,,,, a,,, ,,,,g eu$s e p - % ,A ,

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areer su opu y,, y , w g bN#"" #"O M I '8*

2.0 Examine a minimum of 10 operation (3) A$ f A I-ri, ,ftu. 9, e.4* a rrie.g re e-s Aue checklists (travelers) for pro-ADOero.v2 su r rM < 'sen saias rasnt cedure compliance.

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u

'I TEtt Checkltst 2 Page No. ff-Ol'"O 16 of 20_

' 1 ELEllEtli CilARACTERISTIC '

' 14.0 REFERENCE _

Documentati'on of technical and qualit activities. HETl100 0F VERIFICATION J+ '/

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i te gt g ()UALITY AUDIT CifECKLIST 1 Checklist No. TVA-01-NO

-(.. -

2 Page_19 of 20 -

' ITEM ELEMENT CHARACTERISTIC '

REFERENCE #

.. HETHOD OF VERIFICATION AUDIT RESULT 17.0 I Additional areas of concern as N/A

' determined by a review of employee concerns.

17. 1 Concern No. XX-85-049-XO3 and XX-85-101-006 regarding welder certi-fication. See item 3.0 in checklist. b t 17.2 Concern No. XX-85-69-001 and XX-85-069-X05 regarding welder certification and on the job See item 4.0 and 11.0 in checklist training.

{

17.3 .

Concern No. xx-85-108-001 and XX-85-108-002 regarding weld Sea item 10.0.

inspections. ,

17.4 Concern No IN-85-476-004 and W1-85-041-002 regarding welding See item 11.0. E)

[

inspectors t raining program.

Ng I Li 1/ # ,

O ,,., _

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QUALITY AUDIT CllECKLIST .

1 Checklist No. _ryg gt-p t

. .. 2 Page _.20 of J a.

I'! TEM l' -

-- 1 ELEMENT CHARACTERISTIC '

REFERENCE I' -.

I METit00 0F VERIFICATION AUDIT RESULT 17.5 -

Concern No. WI-85-053-004 and XX-85-68-006 regarding weld rod see item 12.0.

control satisfying code requiremente. b 17.6 .

Concern No. XX-85-054-001 regarding veld inspection by craft. See item 10.0 17.7 Concern No. EX-85-039-001 rega rd ing weld control (stubs and unused rod). See item 12.0 .

(P, I

\ 191 bN ss s u.

.' S 9

t f *)w 4f,). . * - l' ' '

Attachment 3 Flow Chart of Sequoyah Quality Assurance gram Pro Office of Nuclear Operations e V) .MW' ** W SAR TR75-1 1

NQAM I

l l N211-865/N26-877 N73112 N80E3 i

- - ' Drawings:

t-l '1 l

I A _

V Power Implementing -

Procedures

^

n 1 Welding Program I

l SAR -

Safety Analysis Report .

TR75-1 -

' Topical Report N2C-877 -

Construction systems, spec for and components identification of structur es,

' N73H2 -

Process specs for velding, heat field operations treatment, and allied N60E3 -

Nondestructive examination procedures .

NQAM -

Nuclear Quality Assurance Manual 1

N2H-865 -

) Construction specification for field fabrication .

examination', and tests for pipe and duct , assembly, sys t ers 002 t

s ~s ,- s Notes

, .tems 1 - 12 for Office Items for Anspection or Construction checklist.

Use items 13 - 17 for ,

Of fice of Nuclear Operations OFPICE OF CONSTRUCTION checklist. .

Sheet 1 PIPING Item No. Identification of Weld Drawing Nm.

System

1. 1HS-32 Unit Claes

! A7100 rev. 0 , Main Steam,

2. 1HS-4 1 TVA Class B Loop 4 A7100 rev. O Hein Steam, ' ANSI.531.7 Class II

3. I TVA Class 8

' CVC-1178 Loop 1 CVCS-12 rev. 6 ANSI B31.7 Class II 4 Chemical & Volume 1 1-RC-28 Control System 62 TVA Class B 1-RC-003 rev. 3 Reactor Coolant ANSI 831.7 Class II

5. 0-ER-15116 System 68 1

TVA Class A ERCW-303W rev. 9 ERCW System 67 ANSI'531.7 Class I 6, 0 TVA Class C

2-NS-35 A7400 rev. O Main Steam, ANSI B31.7 Class III

7. 2-MS-11 Loop 4 2 TVA class B A7400 rev. O Main Steam, ANSI B31.% Class II

8. RHR-1-68 Loop 2 2

TVA Claseth A7198 rev. 9A Residual Heat ANSI B31.I} Class II Removal System 74 1 .' TVA Class &

ANSI B31.7 Class II

_ PIPE HANCERS *

9. 1-RHRH-462 A7198 rev. 9A Residual Heat

10. 1-RHRH-440 Removal System 1 N/A A7198 rev. 9A Residual liest 1 N/A Removal System STRUCTURAL SUPPORTS 11.

0-C6HTCB732C060lP015 48N1301-2-rev. 8 Cable Tray 0

12. 48N1305-5 rev. 9 Support N/A 0-C6ffTC8732C0602N013 48N1301-3-rev. 5

Cable Tray 0 48N1305-5 rev. 9 Support N/A

Workplan pe. 10904

~ .. Page 1 of 2 -

4 I

Items Chosen for Inspection I 0FFICE OF NUCLEAR OPERATIONS Sheet I Item No. Identification _PIPINC (Modified of Weld Drawing No. _ System

13. Unit ]Workplan No.

10456-A Clase SEN 310 rev. 1 Main Steam System. I 11590 h" Socket Weld TVA Class B 14 F-25A

A7263 rev. 9 Instrument Line ANSI B31.7l Class II Reactor Coolant 1 10688 di System, 3" Sch TVA Class Al 160 Inlet Line to ANSI B31.7 %1ase I Pressure Relief Y Valve d

15. _FIPINC (Maintenance) 1-PIPG-62 (Pipe Cut, Blockage CVCS Flow Sheet

' Chemical Volume and 1 HR A237162 Removed, Pipe Repaired) Control System 62 TVA Class C 1

ANSI B31.7 Class III e

i 16.

'_ PIPE HANCERS (Modified) .

ICCH-1144 t

H10-1328 rev. 1 Component cooling 1 9106 ,' N/A i 17. _ STRUCTURAL SUPPORT (Maintenance Reactor Coolant Pump SMI-0-68-27 i

} l-1 Platform rev. O Reactor Coolant 1 HR A545951 I-PHP-68-8 Pump 1-1 N/A i

I n

i

'014 s ...

W 1 W ee Page I of 2

_ ELDER QUALIFICATIONS p

4; Date of Are Welder Velder's Namt Initial Maintenance

S.S. Number _ Certification Records Renewal {

Item No. _Sa t i s fa c tory ?

(Note 3) (Note IF _Date Audit Status Breaden 414-92-9276 (Note 4) 01-19 79 13 Dent Yes N/A 409-90-1390 04-22-81 14 Sims Yes 09-26-85 f 411-72-0599 05-13-83 15 Yes Nicely N/A 408-86-6932 02-12-79 17 Yes 07-21-83 Woodward 07-22-83 408-86-7119 08-30-79 N/A' Yes 11-09-81 10-18-85 Ball 10-25-85 441-56-1769 09-05-85 N/A Yes Brodie N/A 411-98-6510 09-03-8,5 N/A Yes Clevenger N/A 413-74-9596 04-01-82 04-07-82

' N/A Yes N/A Corbin 255-62-6374 11-29.83 N/A Yes 12-01-83 N/A

' Cranfield 413-84-3525 12-03-83 N/A 12-06-83 Yes N/A Ensley

408-70-9840 01-25-85 N/A Yes 09-13-85 09-05-85 Ezell 09-13-85 414-80-3458 02-15-79 N/A Yee Hamrick' N/A 413-84-7039 09-11-85 N/A Yes Hargis N/A 412-11-4327 09-24-85 N/A Yes Layne N/A SEG

~ ... 415-78-8956 08-31-85 I N/A Yes no.ns.es N/A -

e WELDER QUALFICATIONS Sheet 2 Page 2, of 2 Date of Are Welder

!. Welder's Name S. S. Number Initial Haintenance

_ Certification Records Renewal Item No. Satisfactory?

(Note 3) (Note If Date McCormick Audit Status l

412-82-9726 (Note 4) 09-'16-85 N/A McEncyre Yes 415-78-5916 N/A

! 02-22-72 N/A 03-06-72 Yes !

Rich N/A 421-72-6616 (See Note 2 )

11-04-85 N/A Ritchie 'Yes N/A 414-96-5699 02-28-78 N/A Simpson Yes 409-98-4926 09-19-85 06-09-81 N/A Skinner Yes i

411-64-6356 09-12-85 10-30-79 N/A 11-20-79 Yes N/A Smith 420-66-4523 10-01-85 N/A Yes 11-04-85 F/A Travis 408-06-4594 09-18-85 N/A Vaughn Yes 413-88-9175 N/A >

10-23-85 N/A 10-25-85 Yes N/A Williams y 412-94-0468 12-11-79 08-06-82 N/A Yes MG 3 08-06-82 eM' _

Note (1):

Specific not welder certifications are not require welder traceability. traceable to veld joints for item number 16 Note (2):

Item 16 does Welder Maintenance records for the time period pri retained per TVA Construction Procedure No. or to 1974 were not retained nor required to be for, review for the time period of 1974 and-P8. beyond thereb welder maintenance records were available However, Note (3). Men 3/ weletere y making item 4 of the checklist auditable.

have seut tiple atual.f testione.

I a .....

welding processes or separate qualification codesTwo dates listed indicates two separate

... n s tags 1 of 2 INSPECTOR PERSONNEL QUALIFICATIONS

_ Inspector Qualification .i15' Date Audit statt Couillens, H. R~

VT (XI)-II MT-II 01-17-86 PT-II 01-17-86 g

Leonard, F. C. 04-14-83 UT-III -

11-23-83 s

Schruder T. B.

MT-III J PT-III 02-13-81 VT-III 02-23-81 RT-III O2-17-82 UT-III 01-15-82 .f 06-15-81 1

Cothard, Michael _

{ VT-II RT-III 07 08-82 '

PT-III 03-14-79 MT-III 03-01-79 s)#

UT-III 03-07-79 02-23-79 4

Miller, Frank MT-II Recertification MT-II 05-02-84 PT-II 05-20-81

' 08-28-81 PT-II Recertification 05-24-84 i?

VI (III)-II 03-03-83 VT (XI)-II 11-07-83

Saith, Dewey R.

PT-II ,

VT(III)-II 02-01-85 '

VT (XI)-II 03-03-83 ' g.'

'. 03-02-83 '

' MT-II Recertificatioa 03-24-83 Coebel, Crayson PT-II MT-II '04-14-83 VT (III)-II 04-24-83 f 02-16-84

Mink, Larry 3.

Irr-II VT-II 02-07-85 MT-II 06-25-85 1 PT-II 03-22-85 '

02-14-85

Rhea, Brenda S.

VT (111)-11 PT-II 07-14-83 12-12-83 d, Mc Donald, Bea TI ,

MT-II . -

PT-II 10-06-83 VT (III)-II 07-07-83

'p VT (XI)-II -

07-16-83

l. 02-16-84 erence, Archie VT (XI)-III

'O PT-II MT-II Recertification 11-07-83 07-07-83 05-02-84 'p MT-II -

f 004 08-28-81 b

4 i

Shoot J Page 2 of 2 '

INSPECTOR PERSONNEL QUALIFICATION $' -

qualificaeion pati

' *3yrne, Thomas Audit Stat-VT (III)-II ~

MT-II 07-01-83 PT-II 10-06-83 j

- ~

UT-I -

~ 0 7-0 7- 83 VT (XI)-II 01-24-84

Bentley, N. R. 11-07-83 RT-III

Mc creary, Brett 12-01-81 8 L

VT (III)-II PT-II '

04-28-83 08-26-82 sf bA*$/-0?-

I i

r b

f l

l i ..

i

~

5

\

Random sampling, i . nM i

- . ~ . . . _ - - . - . . , . . _ _ _ . _ . _ , ., _,_ _ . __.,. ,____._ __.. _ _.,.. _ _ ___ _. _ ,_._____.

Sheet 3A

1RAININC RECORD REVIEW

) p D N,,1me, W *O Qualification / Status Date (Non Certified) _ Audit Status ._

1. T. E. Burdette Surveyor 11-17-84

2. R. N. Butler "

g

, , 10-02-84

3. W. K. Mcdonald

4. 08-22-85 R. C. Birchell "

I

5. 09-19-84 L. E. Brock "

6. 12-17-84 K. R. Cuss "

7. 03-29-85 R. M. Sexton "

8. 04-09-85 H. Barnett "

9. 07-21-83 L. A. Chamberlin "

08-14-83

10. C. R. Reeves "

(

11-19-84 (Certified Receipt Inspectors) Certified

1. H. Barnett -

ANSI-45.2. 6/TVA 03-23-84

, 2. L. Chamberlin " $

03-23-84

3. C. V. Condon "

05-20-83 i

4. D. L. Eggert "

s 03-23-84

5. B. J. McCreary "

08-01-83

6. C. Reeves 08-10-83

7. J. D. Shropshire "

a. J. L. Simpson 04-22-83

.Ilf f [Y 07-26-83 '

~

I Q

037 .

/

l l _- - _ . . - - -- _ _- __ _ - __ _ _ - - _ _ _ . - _ - - . _ _ . _ - _ _ _ _ _ ._._ _

. _ _ _ . ___..._.._.__.______-m._. _ _ _ _._. _

i i

i. Sheet 3g

. t

} bl A,ybb.1RAfMISC w-- REdCkDSi21M Q

f C INDOCTRIN i e

1 fersonnel

' Training Retraining DM Due Dates Audit Status S. D. Gilley CET-4

(

06-21-84 C. S. Wilson 06-21-86 I

.T I 07-11-85 E. L. McClure "

0[-11-87 ~

b 03-03-83 J. L. Hamilton " 03-03-85 O <

09-29-83 O J. L. Anderson n 09-29-85 j.

02-17-83 i

L. D. Alexander se 02-17-85 O j

03-25-85 J. Boone ,,

03 25-87 -5 08-22-85 J. H. stiet ,,

08-22-87 03-22-85

3. S. Rhea ,,

03 22-87 !

i

' 12-08-83 i

t McCreay ,,

12 08-85

. Shropshire 05-17-85 I ..

05-17-87 03-22-85 I J . E . Lar:b ..

03 22-87 3 l 10-07-85 10 07.g7 i

i l 1

$20!'

44$L \

i i

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. 1 039 ,

I i

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I

+

Shast 4

_ REVIEW OF NONCONFORMANCE REPORTS AND C

~4nf*y NCR No. Date Corrective Action NCR Closed _

Audit Status SQ-DR-84-11-139R 10-27-84 11-27-84 11-27-8' SQ-CAR-85-0d-012 08-05-85 09-05-85 5

11-09-85 SQ-DR-85-08-097R 08-15-85 09-11-85 09-11-85 SQ-DR-84-06-074R 06-27-84 10-30-84 10-30-84 SQ-DR-85-08-099R 08-20-85 09-18-85 10-09-85 SQ-DR-84-01-005R 01-12-84 01-26-84 03-22-84 SQ-DR-85-10-130R 10-17-85 10-17-85 11-15-85 SQ-DR-84-09-109R 09-11-84 10-15-84 10-15 84 SQ-DR-84-02-020R 02-24-84 03-12-84 03-22-84 SQ-CAR-83-11-038 11-28-83 07-30-85 08-08-85 SQ-DR-84-01-001R 01-03-84 ON 02-09-84 02-09-84 SQ-DR-85-02-016R 02-07-85 03-05-85 03-20-85 .

SQ-DR-85-05-051R 05-20-85 06-03-85

06-17-85 SQ-DR-85-10-128R 10-02-85 10-18-85 11-15-85 SQ-DR-84-07-079R 07-13-84 10-30-84 10-30-84 SQ-DR-85-08-093 08-13-85 08-14-85 08-14-85 SQ-DR-84-09-108R 09-11-84 09-11-84 09-27-84 SQ-DR-83-129R 12-20-83 07-30-84 07-03-84 SQ-DR-84-06-065R 06-11-84 06-28-84 06-28-84 SQ-DR-84-09-114R 09-14-84 10-04-84 04-02-85 -

SQ-CAR-85-09-01.4 09-12-85 12-31-85 Open * '

g.

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/

I

090

9 i

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%)

DRAWING REVIEWS Drawing No.

Rev.

SEN 310R1 System 1 Date

{

4 7A051-12 Main Steam System Audit Status 2 04-25-79 C No. A7263R9F10 h" Socket Weld InstrumentLine 8 06-28-79 I IHC-091, Sheets 1-H36-91 Reactor Coolant-Aux. & Hisc. Piping None 08-02-76 45-PC-4CVCS-12R6 Reactor Coolant Weld Map 6 01-09-84

45W555-11 R13 CVCS-Chemical Control & Makeup Piping 13 05-23-79 74-90A, Sheet 6 CVCS-Chemical Control & Hakeup Piping 5 07-05-79 4 CVCS-Heat Trace Drawing 1

74-90A, Sheet 7

! 3 03-07-79 74-90A, Sh,eet 8 CVCS-Heat Trace Drawing 1 02-29-79 CVCS-Heat Trace Drawing S.O.-BE-4160-CC, 687-1 01-23-81 Variance OSI-35-A23 Modified Component Cooling Pipe Hanger 0 Hanger 04-08-79 S.O. BE-4160-ICC, 628 0 None S.O. BE-4160-ICC, 1328 Component Cooling Hanger 1 01-21-75 47A053- 16 Shim Locations for Hanger R2 06-05-78 47A053-16A Mechanical Seismic Support RO 10- -77 Support, 4 7A056-27 Process Pipe 2" Dia, & Less 1

RO 10- -77 48W991-1 Seismic Support Conduit 2 03-13-75 48N906 Steel for R.C. Pump 10 03-23-78 Misc. Steel, S.C., R.C. Pump 48N905

i 18 06-19-79

' Hisc. Steel S.C., R.C. Pump

, 10-10-79 Y l - . . .

fjs/2 91g d

sh20t 6 REVIEW OF WE1.D AND HEAT TREAT)ENT PROCEDURES

(/ Procedure No. .. M. .M9 -

Rev. No. Date

_ Audit Status CT-88-0-1 O QR 6

02-23-79 SM-P-1. AWS Prequalified 4

01-31-80 Ceneral Welding Procedure 4 '

Process Specification 1.M.1.2 ~01-24-85 DPM No. N73H2 SM-11-8-2A & PQR 4 03-18-83 SM-13-B-4.& PQR 0 01-14-85 Sil-18-B-1 & PQR 5 09-08-78 SM-88-B-1 & PQR 2 02-28-75 GT-11-0-1 & PQR 6 05-13-80 CT-18-0-1 & PQR 5 05-01-78 GT-88-0-1 & PQR 6 02-23-79 O Specification for Postweld Beat Treatment 4 01-24-85 Process Specification 2.M.1.1 4

SM-U-1, AWS Prequalified 6 03-08-83 SM-P-1, AWS Prequalified 9 07-01-82 Performance Qualification Test 0 07-31-74 j

CT-0-3-L(a) & PQR 0 08-29-75 I

$$l

'/"

a 6

O j 035 1

~

3

_W ELD FILLER HETAL Sheet 7 Page 1 of 2 Item (Office of Nuclear Operations)

No.

575 No. Spec No.

Neat No.

Lot No. Date Mater'ial Received *

1. 4841

- Audit Status PF 1016 E 6130 53987

2. 2245 E 309-15 3.

PF 1012 rev. 9 1336C122145 -

E 7018 06-01-76 8495 SFA 5.4 05-20-82 50131-1 CD 4 E 308-15 1970 06-03-80 PF 1015 rev. 4 760284 -

5. 9248 ER 308 SFA 5.9 10-18-85 E 7000 -

6. 1043 ER 308 i SAF 5.9 02-18-77 j 21164 -

7. 1670 ER 309 SFA 5.9 01-09-82

! 435489 -

8. ~

1684 ER 308 PF 1016 rev. 4 10-18-82 210-3000 -

9. 0019 E 308-15 AWS A-5.9 10-18-82 744567 -

10. 2339 ER 309. 10-18-82 PF 1016 rev. 4 210-2030 -

11. 6710 E 309-15 10-18-82 PF 1012 rev.11 92121D -

12. 0567 E 7018 03-31-84 PF 1012 rev. 11 10428 -

13. E 7018 4315 08-23'85 14.

PF 1015 rev. 6 761409 -

ER 308

{

0236 .

10-18-82 k PF 1012 rev. 11 8578

15. 24306 E 7018 2666 SFA 5.9 03-26-85 06584 309X135

16. 2667 ER 309 SFA 5.9 08-12-81

04629 308X266

17. ER 308 1363 SFA 5.9 11-04-81

. 744009 -

En 309

18. 2661 . SFA 5.9 464201 -

10-18-82 )\['[g'\g*,

j 19. 1969 En 309 04-03-80 PF 1015 rev. 6 761525 -

ER 308 10-18-82' I

i O O O ~

i 1

\'

_W ELD FILLER HETAL Sheet 7 Page 2 of 2

! (Office of Nuclear Operations) t 1

I

\

Item No. 575 No.

Spec No.

Meat No. Date

_ Lot No. Material Received 9 _ Audit Status

20. 1993 i

PF 1012 rev. 9 92116E -

21.

E 7018 12-12-83 2662 SFA 5.9 C 3058 25929

22. ER 308 02-12-80 2344 l PF 1019 rev. 8 27433 WXAM ER 705-3

) 23. 2345 Pr 1019 rev. 9 07-27-83 49911 -

' 24, ER 70s-6 10-24-84 2339 l

PF 1012 rev. 9 92200C -

)

E 7018 1

25. 1364 PF 1015 rev. 6 12-17-82 -

b b 743556 - 9 1

- ER 308 10-18-82 3y 8' 96

. i l

1 i

4

)

i O

s '.

,

Date, materials Ou .. receipt inspection report approved.

1 1

. O -

MUA1.lTY AUDIT CHECKLIST COVER SHEET .,

...a...* -

TVA Welding Project Audit e e sc. wee . -

TVA 01-0C _

....,.e, ..

Secuevah e

...n . _

1-86

.... - 1698s _

Welding Prografa A m 4/a

/ / /

= ...a.. _

See page 2

. (Oc) Office of construction n **. n .e.e.e**'

Attachment A V _ n e s .a == n *.'s 1.

2. Topical Report (TR75-1)/SAR s

3. QA Program Manual (Construction) '

8 N/A N2C-877/N2M-865 78 4 c29 12-26-85 4/3 N/A 12-09-82/4-12-77 N/A n

' n II. EO- a a 9 0 9. . . . 9

. 98 9 .

.pp .vg . .e 9 18 0 See par.e 2 01-09-86 A. M. Vuksa d M/ 01-13 ..'.

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s7P 20606

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AUDIT TEAM A. M. Vuksan Audit Team I.eader S. R. Carreffa Auditor W. Keyser ~ "

Auditor '

S. Borenstein Auditor D. R. Cady Auditor

_ Signature

_ Initials W

4 . 12 O -

32G N' k' & ..

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3 Bac & ' SJB

/.M.C 1.eeend S=Sa tis fac tory 0=0bservaeion AF= Audit Finding CrossResult Audit checking by auditors signified by circled initials in Column. '

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3;gt. ) QUALITY AU. CilECKLIST 1 Checklist No. TVA-01-06 2 Page _ 3 ITEtt of f ELEl:ENT CHARACTERISTIC REFERENCE 11ETHOD OF VERIFICATION 1.0 Preparation AUDIT RESULT for Audit of tJelding

{ Activities' (1) 1.0 I

(2) Determine and identify appil-(3) cable documents, the required fheet I (4) edition, addenda, revision or f amendments of specific manuals, g specifications, standards, and procedures which apply.

1.1 Identification of Coverning Documents O!anuals.

Procedures).Specifications, Standards, i i

2.0 Randomly select systems and items by drawing review. Select specific l welds to be audited.

1.2 -

Determine what to audit. .

l 3.0 i The welds shall be a cross section from esfety related systems to allow complete access to att app 11-cable weld programs, procedures anc specifications. Enter selected items on sheet 1. -

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QUAT.!TY AUDIT CilECriIST 1 Checklist No. TVA-01-oc '

2 Page _ 4

!'I TEf4 l' of _!n .

._ _ _J _ - ELEf1EtJT CHARACTERISTIC '

REFEREf4CE 11ETHOD OF VERIFICATION I AllDji RESUL T t

2.0

Adequacy of design output documents.

(1) Sec. 17 1 1.0 (2) Sec. 5 Sample a minimum of 15 drawings for See sheet 5 adequacyt ic. where applicable drawing number, revision nu.mber. g j title, details and weld symbols.

" Adequacy of Design Output Docu-ments" The technical or engineering adequacy of the design output 2.0 Sample 10 welding procedures for documents is not to be researched; adequacy: 1.e. welding vartbles See sheet A their adequacy is to be checked given. o gg g In the sense of completeness of information for the organizat- , ga g ,,, ggy p . ,.

gf3 j,,e rsd64 e* *

eed A a e*4.

ion or individuals who must use ou sasA s the document to continue forward ygg py g. o,yg pa a, o u6*"J .

with the program.

fvEsc **e ew rar s 3.0 verify procedure qualification cox vfrococa ro ea r :~c.ec sesto records.

S l 1

(o) MA TV A - T *1 *1b~ * / A Pen =2 s>A iMany ofS*er, < *>. f. 1. 4.1,

,P?fansAINser orsrev (

1 pas t'owrosose rna s s qs A sto suce 1*ese stae astauen oses.e re OA ontst warss e t Yes A.n awA s ca en .

- we,ue,re.u d. , Ano , j, , 3, y 4.0 Oc3st At cNAN(,dr, /e/(J uaws. rara s .s ,,,rs 4rra The above samples shall include 4- 6* A Nt,E s, A Mc c e *S T*es e to ay wo eu rra, the drawings and welding procedures FA *enb u e FS, ,

identtiied in sheet i.

(2 ) Qua te r y 4 rs A4aca refo6.ee dA An asve* *j cp n ft %, AE.s. m., /*]<}s y, C *"W*'-

on crea,-

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( - 1 Checklist No. _ ,_TvA.01-Oc 2 Page 5 of _788 -.

FITD4 f ELD'E*.T CHARACTERISTIC REFERENCE

i. .... -

ttETHOD OF VERIFICATION AUDIT ItESULT 3.0 ,,

Initial velder or velding operator (1) qualificatidhs. 1.0 (2) Sec. 9 Verify that velders are qualified (4) in accordance with TVA approved A!!sst*0t { sacLac t can n.oroc a rros) procedures, f

PMot e~O0tte s :

Gen c e n t. wta,qg ynggnygg $pg g, ,,g ,7,,4

f. At . l. / /Agg . d / # 8- s t - 7o

f. M . I. ,* 2.0

/ cre. ., j . .w - yg Examine a minimum of 20 initial welder qualifications. This sample See sheet 2 I. C . I. / / rgv.4 / g,-f7-7o shall include velders identified Per veld number in sheet 1.

I' C . l . 2 / EEV -3 / g 22 g s'

l. C. /. / / ggg _ A

, ,, , , 3 _ yo j f. /. I

/ Re v -2 / 3 7- r3 -

3.0 List applicable welder qualift-cation procedures toi t.OEA PEtr'ot# M c c ova s.a fsesnod StE 1., E F Y tM^)D C.0^ VM N

/. A1. 2 . g / p( v . s / (. .13 - /2

For the purpose of this audit the

1. A. 2. 2 / 97,.3 / s-21-95 term welders shall include welders

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I.C 2.1 / Rev- A / 7 7s

f. C . 2 . 2 / pev-t / 3-1-']

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QUALITY AUDIT CilECKLIST 1 Check 1fst No. _ TVA-of-oc 2 Page _ 6 of _ 20 ITEttt-f* ELEt1ENT CHARACTERISTIC '

REFERENCE 4.0 11ETi!0D OF VERIFICATION

_v Maintenance of welder or welding (1) AUDIT RESULT I operator qualificatione. 1.0

' (2) Sec. 9 Examine the maintenance records (4) See sheet 2 for a minimum of 20 welders to verify welding within velder' cert ificar ton expirat ton dates. l

. I l

i i

J 2.0 List applicable welder qualif t-i 1

cation procedures for review. h.

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'ITEMl'

'. ELEftEf;T CHARACTERISTIC -. ...

--

REFERENCE )

.i.. . .... !!ETH00 0F VERIFICATION AUDIT RESULT j 5.0 . -

Renewal of webder or welding operator qualifications. (1) 1.0 Examine (2) Sec. 9 the maintenance records See sheet 2 (4) for a minimum of 10 welders to verify renewal. r J

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2.0 List applicable welder qualifi-cation procedures.

I WaLDett AND LAJ E LO(A ofgtArsR

, PER F ot~ ANe w" Qun

opoca rooy ,

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1 QUAT.ITY AUDIT CilECKLIST (4 1

ITEM Checklist 2 Page No. L N 'OI

I ELEi1ENT CHARACTERISTIC * >T of 2n }

R(FERENCE 6.0 t1ETil0D OF VERIFICATION

! Initial welding inspection personnel AUDIT RESULT

' qualifications. (1) 1.0 (2) Sec. 9 Review inspector personnel quali ft-NM fG410NNil-- dYML/f/C'M770// (4) cation records using the welds See sheet I

/A' C CEnc/Res.' selected for the audit as the means 1or identifying inspectors. "[4 C

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7/F /' COA 45Txc.-C TruA/ Atoct Dc/46" M C'dK car /sr c5 'l* /A w <.ros s //>ewrs/n is an/

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2.0 '

AA.'. MC'0A4f7Nc7'/04/ /3C'<>CWe* Review qualification

- $~ records for CC'st7/f/Cn7~/od of compliance with rererenced pro-cedures. sfgjf

//CwDe*s7t^ c/c r/t%~ TE57~/A/S - p-g , egg ( gpz,q g f,*E404d (E.Vggin.s orsav) !'MSw14tML- ,

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/4-5, REf/. 0, /-2. 'f-?'l N - ( / d~l'. / , P-g- 7f' / 3.0 M .T~ Randomly select qualification gc~4'. j'/ 7 f4>. g records for a minimum of 10 See sheet 3 fffQ3gsf JdCC/M C'A/MT additional welding inspection AA'd'* FCA'. personnel and review.

geyg,e/yz. /xoGenn? <cqctucAt9v. ~r,

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///>E /Fs(' ro//e/ez. /x/ E//c// 4.0 List procedures used for qualifi-gfyg- ggyjfgg

. cation or inspection personnel. gg

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e C a , r o s , a . o r o..r (/'h /~.lV- 05 t

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. QUALITY /LUDIT CllECKLIST 1 Checklist No. TvA-on-oc 2 Page _ 9 of 20 1

ITEMf* ELE!1ENT CHARACTERISTIC REFERENCE 5'

.. fiETH00 0F VERIFICATION 7.0 $AUDITRESULT

. tisintenance of welding inspection (1)

' personnel qualification. 1.0 g (2) Sec. 9 Review welding inspection personn e (4) quali fication records for complet -

f()gg p.,5 z, ness and re-certification compit-ance to identifled procedure, b 4) 0 LECe<r/f/cn77ox/ JMR/J 0/~

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. As a minimum, review qualification records on 10 personnel. See sheet 3 1

3.0 List the applicable procedures used. d'

.TMP CovJRuc77W Mc<mc/cc /fA0 /-W-X Afo . /t. ZP? Td.D / 2V- 7L CONOCK Tc'O 73 SMr> Owmu-circ >M Acocc.oue6- M- s- h N-r/ x6R o/ / .2 V ^7L SY M- r, secV /,

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QUALITY AUDIT CllECKLIST 1 Checktist No. TVA-01 -0C ITEtt 2 Page _10 o f __ si~

ELE!!ErlT CHARACTERISTIC '

8.0 REFERENCE E Renewal of Delding inspection E 11ETif00 0F VERIFICATION #

j personnel qualification (1) AUD!T RESULT

.! 1, (2) Sec. 9 1.0 Select and identify a minimum of __

(4) 10 inspection personnel quallff- See sheet 3 lons.

i 2.0 Review for renewal of qualifi-cations p r oc caba rein s .accordance wIcli TVA Talent ify cont rolling procedures and list below. f(M[ b

/, pp.}(

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1 Checklist No. TVA-Ot-oc ITE!! 2 Page_

ELE!!ENT CHARACTERISTIC '

11_ o f _ (

I I l

REFERENCE !'

9.0 .f!ETHOD OF VERIFICATION -

t Itse of appropriate welding pro- ' AUDIT RESULT cedures. (2) Sec. 9 rwsc cacuanc.ses,s rne ssco (4) 1.0 Identify welding and heat treat-vlo orr en ess es: sea ment procedures applicable to

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Osas.vr Astar Sor <r $seect G (CA M) su A t a=*ce tiroc.asm m au<eAL rnt etans osv n.orr o es t ou s 74 n e rcon tAAPL Kan ga ree pre g Re q u one-~e'*e rs o,:

to cfA s~o. s9 tspruar a a re 2.0 (2) s-stosur, Ava c.urdet. List welding and heat PA*Ca s se s Arte c essas.se

se 1 Nc o44 procedures on sheet 6. treatment g op rde An-osaa s.. on aA rt 9 '

i

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ssod'a OsWG s *A vgos sawet,

et s!. ! , 3/sV)13 Ne7E: C# k,.3 /?prA4cco .

cam- 3 3.0 Verify that the welding pro-cedures are applicable to re-ferenced weld joints. S. f I - l 4.0 Verify that heat treatment pro-cedures have been used where applicable. S fP rt cHa4v tre e A4 5 V su A s e. or. s rnacesssave. reacess JPec.2 2.m.s.I (L.) soft I *, s'

Paaner severna eer s ne.m.s.), s/A

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1 Check 1tst No. TVA-01-oc 2 Page f!TErlj', 12_ of 2 t ELEttEnT CHARACTERISTIC '

t. REFERENCE

                                              ..                                                                        METHOD OF VERIFICATION 10.0                                                                                                                                            AUDIT RESULT
            !               Use of appropriate inspection procedures.                                                     (2) Part 9         1.0
                         /. 8 M. 2, / (ci) /4[ 4'}'/f##1/4/~c#                                   Sec. 9              Identify and review inspection p ro-(4)                                                                  See sheet I cedures used for examination 'of weIds

2. M. 2./' 23' .2 -fa -f.7 'W identified for audit.

A* E' M . J. /{f) g 7 gy ,y p sv g riasf9 .}p79.,, MCUMMr: <'fFED

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                   . Q tf j)c c u p i y y:s 4/ fred .6'd* loco 2.0   Verify clist the inspection pro-            $

cedures are applicatale to ref- g g g .g c'esica:r rigcia n+v e/~e: c~ sk ocenec's 7~o enced' weld Jointe. me nDo 1

                                         "+t.

ca:v '*/mence.s e scr :cc:wcc nex 7v foeMr & c,murr -reavoVes v%9-33.r, tocco nao Awze r-Af4 U/4"iM##' - g u c y ,,,g- a

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h, ;ij QUALITY AtIDIT CilCCKLIST 1 Checklis t flo. TvA-ot-oc ITEli 2 Page 1 7 . 2n ELE!!ENT CilARACTERISTIC ' REFERENCE 11.0' 11ETil0D OF VERIFICATION Use of apptbpriately trained and . AUDIT RESULT qualified personnel. (2) Sec. 2 1.0 JX// (4) Identify programs and procedures

                              /C'ogfr4'4/C'7/ W A(OC800'c6-used for training of personnel.             Seeteheet 3
                        //o- /-ff, X' w, o# P[(.[7g,                                                         Using the welds selected for audi t entify a minimum of 10 personne l           J Cif.ml/n/enricn/ ef sn<s/vt /Aw                     ,                                training and qualification record s

[ CYAM W/M/~/CA/ s44D' 763 7/Asf fEC %'Afl

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ff t'*. /, of 2*W 47 - CEA'/7F/cn 7/c ,/ Ml i !~C'/: Y d/.S7c]' ///~l'6f 7 s/s sMcrv<s (noMr enmW L'ev. .;', y .50 - 77 gege,*g, <,/-/(/. pc, 2.0 Review training records for SU' Y compliance and completeness with g C CC/ [ O A /0 7 6'<c" g g yg g y 9 governing procedures.

EEV- s' 4WC / , pafg c/-3 o -F2 , \ N'V* 6, ?~// .PJ ' 3.0 List applicable procedures used. RAC

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QUAL.ITY AUDll CllECKLIST 1 Checklis t No.b7vA-01-n

                    ..-                                                                                                                       2 Page 14               of _2q

{! TEM ELE!:ENT CHARACTERISTIC ' . . . . . . . - - I REFERENCE f 11ETit0D OF VERIFICATI0n _ ,' AUDIT liESULT 12.0 Use and control of welding filler materials. (2) Sec. 9, 1.0 10 Verify that weld filler control ENE prnec<furcs exist. Sie sk%) 2 0 AGlw . f 2.0 List veld filler control pro-c dures. ~ CP ced tJIfxt,ko/ co. cP h).ef s.v//,. EOcisetsenn$5&*S*o' CP- Fso fw? c# = 27)h .ta c ?. p . y *(1 4 fe w J s " A s/ ofnho.a O /*<*/."

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                                          ,                                   _ /?, of re s r.su oe.. sr./ a a!.,e rer./~ws o n Mo.ad. e na 6 yo 401,her/ , *rv            +u4v4s /c,f*f*Ar,6/s
                                                                                                                    .;, t k aA e-<4<en.

k & #9t*/911 - tid. 3.0 Heview a minimum of 25 tiller material CHTR's against weld gg material specifications, and QA k documentation of inspectfon. 7/Jf".7)/ - OC) Jee ')eef S 9Jf, i .

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                's QUALITY AUDIT CilECKLIST 1 Checklis t No. _ TVA-O t -0(

2 Page z 15 of _ 20] ELEi1ENT CHARACTERISTIC ' REFERENCE Y 1 ltETiiOD OF VERIFICATION 13.0 Inprocess on AUDIT RESULT -'

   ,                  reese o.<seme*t rol of welding.

p ,4 vsessscars.s"s rs as/ set ** se (1) 1.0 Identify and list the TVA docu-5 (2) Sec* 10 ments that control welding oper-(r) N4 rvA - rsex c*~stnue r4 75-/4, /7.e.1.3.t, a;x s.a s s ations. Review documents for ade - Tpr cowsroars., gpg.,rs oemwo was rse quacy to pro y n sm .os.e-o, gram ss requirements. AVsta" Moseserm4*,rs Auoo co>rsr< ,,,,4 , er***Rs testaxcest.s Kee,, , ,., pw ,a , e p.p. w .m. te, s,sset ra ser Arr* rasgg4 e as ,,, u ,, sorr es'ase rr* A treaaxec a ge<<ro.s, .y ws,y.,g3,y_,yggS,

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3) Tot es <rs tn 'e rsse o sr

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                   /'Ae d.de* saad"*4 5                 asers Asteca m 4yr#ec#rs c -rees ocsee,4<,       #p v"'

r . ,- 4.* 2.0 (V) (,-2 9,& *Nrd eN# Examine a miniouse of 10 operat ton 2rscort ra rresvr # TWE 887Amed A*eata es Ano roc 6-19s s.2sg checklists (travelers) for pro-pu.* 6 -21m cediare comptfance ret sact osas. s.* tog Arests> sympoc,,rseas s, t zer rnrarmser f. p n o porspos e ggeene seg. ang -I- 13 . svooroes rnve,r era Chaemoarsro.e,s AsO t.mrourse strar rysse a s , 3, ,,e, , y,,,,,, pe,a,rseoer paa **rs** ass-s-

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( ($-)me p.e.<<-o p3 ano s.r-r <=nseco-*es *=ces se sne ,. .,,,,, ,,, e ,,,,,,, , ,,. a,a ,,a <ro

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r. .orwxa s* , osassa s. - as.o esta raa v seecaeo F*'t awe <e.<rnos os ,,,,,,,,,,,,,,oy age e 'A -"! - 13 ~.

a rs erars,. .,weren**ss.

c. e s s a s ca r** rser. S e, ssy r. s. ns.o ,,,,, oa . e een us -s s * * *

                                                                                             , , g,ep or. ps e a,s o .s e. s -es* **>r.or **<=" h*-**

so-s c u a n

su a-e.,4 s o 4 rso pes. 2, syyy, r .

(t,) gar er sms . s , s. set oix& o.<n~4~2**4'* 3.0 Sample4"!'t'**!1*tt'** *(!** N f**. s*wa ***.**c shall include welds identi-

                                    ' * k"E*vr ^"*                                        y, y ,g g9,74,,

fled in sheet 1.-

y. ga lasGsorks- f *.te!44s' ****f' t . osso u s r. sam ,e,+,ss ,v, s o,,,

aa..,, nn. $ . Cate s** A ~

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        .q p ,' 1,)                                                 t)UALITY Alm!T CllCCKLIST 1 Checkifst No,

_TVA-0I-m: ITEll 2 Pa e ,,1g_,of 2n ELE 11EtiT CilARACTERISTIC

                                                          ' REFERCNCE N 14.0

METi!0D OF YERIFICATI0tt DocumentatioE of technical and qualit y AUDIT RESULT 1 activities. N/A , Y'p3ki'=

Reference items 2 thru j fand ite ms

                                                                                                                                      ~
                                                                               ,1( thru 17 of this checklist.

a.g s'I swe, ca* o '8 kk dt* SOQ' s[2'IlIb Q O O 9 e e S ' e

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                        .i te QUALITY AUDIT CllECKLIST I Checklist No.         TVA-ot -c 2 Page       17_ of 77, ITEli ELEf!EllT CilARACTERISTIC '

REFERENCE 15.0 itETil00 0F VERIFICATION AUDIT RESULT Non-confo[mreances and corrective actions. (1) t 1.0 (2) Sec. 15 verify by review of controlling e

                                                               & 16              procedures, non conformance reports and related corrective action reports.                                    t I

l 2.0 l A minimum of 20 non-(.onformance See sheet 4 reports and related corrective action reports shall be reviewed. f 3.0 ( This review'shall include *the welds cable. listed in sheet I if app 11-

                                                                                                             .                 I ffDCfd"WRfS No&5~afle/ /#4                            r.

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QUALITY AU0a s CllECKLIST

           'h                                                                                                                       1 Checklist 2 Pageflo. __TvA           ot-o(

18 ~of __2,0,,

           'I TEli I
            . __   _u                 ELEf tEllT CilARACTERISTIC   '

REFEREf1CE ._h .,.. _. x t itET1100 0F VERIFICATION AUDli RESULT 16.0 Training programs. A s:e

                                                                     -w/A.< .'.' 4        1.0 See checklist item No. 11.

V 2.0 Review of applicable QA indoctri-nation programs. List programs , f* reviewed.

                                                                                                                                                  /h { C* /', >.S . f,',.
                                                                                         /[DE 7'c/t////MG /:eoG'OMJ .'

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                                                                                 -                            QUALITY AUDIT CilECKLIST 1 Chdek11st No. TVA-01-0C I
                                              .il               ; _. -                                                                                            2 Page 19 of _20

' ITEM

__

l

                                         .[       ,              ,

ELEMENT CHARACTERISTIC REFERENCE HETH00 0F VERIFICATION AUDIT RESULT 17.0 ' 1 Additional areas of concern as N/A

                                                      '               determined by a review of employee concerns.

17. 1 Concern No. XX-85-049-X03 and XX-85-101-006 regarding welder certi-t-

fication. See item 3.0 in checklist. T[ f

17.2 Concern No. XX-85-69-001 and XX-85-069-X05 regarding welder .

                                                                                                                                                                         @ Q1h.

certification and on the job See item 4.0 and 11.0 in checklist 3 ,93 trathing, "* d6 gpf

                                                                                                                                                            ..          p j

17.3 i Concern No. XX-85-108-001 and

XX-85-108-002 regarding weld See item 10.0.

inspections.

                                                                                                                                                             *           ,g     g> g g
                                                                                                                                                                                  \

t 17.4 Concern No IN-85-476-004 and

                                                              'WI-85-041-002 regarding welding                                   See item 11.0.
                                                            ,inspectora training program.                                                                                             p#

1 D*

                                                                                             ' ' . I, . ' .

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O w*rch Site

i#. QUALITY AL..( CllECKLIST .

             ~~
                                   .                                                                                 1 Checklist N4 _Tyg-01-,

2 Page L20 of __ ITEM !* _ ELEMENT CllARACTERISTIC ' REFERENCE 7 NETH00 0F VERIFICATION MITRESUL1 17.5 Concern A*o. IJI-85-053-004 and XX-85-68-006 regarding veld rod See item 12.0. control satisfying code requirements.

                                                                                                                                       ,/
                                                                                                                                         $ [o i{g4hg
                                                                                                                .                        5 17.6 Concern No. XX-85-054-001 regarding veld inspection by craft.                                         see item 10.0
                                                                                                                                           ,    L
                                                                                                                                             ,ph 17.7                                                                                                    .'        i Concern No. EX-85-039-001 regarding        ~

veld control (stubs and unused rod). See item 12.0

h 9, g,

livi ,

l l l l e e r e t< wee . ... I.

Attcchment A Flow Chart of Sequoyah Quality Assurance Program i r Office of Construction

 \s,./

SAR t TR75-1 I N2C-877/N2M-865 mi C29! T _ Drawings ' L_ , l Construction _ Implementing

_ Procedures )

I

Welding Program SAR - Safety Analysis Report TR75-1 - Topical Report ,

C29 - General heat construction Specification for velding treatment, , allied field fabrication operationsnondestructive examinatior., and N2C-877 - Construction specification for identification systems, and components

of structures, N2M-866 -

Construction specification for field fabricati . *- examination, and tests for pipe and duct on. assembly systems , ( . - ~, -. ( ) Lj'

                                                                                                                                  /
            *Me

p , -~3 Y

                                                             '                                         ~

Notes items 1 - 12 for Office Items foi of Construction checklist. anspection Use items 13 - 17 fc-Office of Nuclear Operations 0FFICE OF CONSTRUCTION checklist. . Sheet 1

PIPING Item _ Ng. Id'entification __ of Weld Drawing No.

1. _

System 1HS-32 _ _ Unit _ Class

                                                               +                A7100 rev. O                  Hain Steam,

2. 1HS-4 1 Loop 4 TVA Class B A7100 rev. O Hain Steam,

3. 1 ANSI B31.7 Class Il CVC-1178 Loop 1 TVA Class B CVCS-12 rev. 6 4 Chemical 6 Volume ANSI B31.7 Class II 1-RC-28 Control System 62 1

TVA Class B 1-RC-003 rev. 3 ANSI B31.7 Class II

5. Reactor Coolant 0-ER-15116 System 68 1 TVA Class A ERCW-303W rev. 9 ERCW System 67 ANSI B31.7 Class I

6. 2-MS-35 0 TVA Class C

A7400 rev. O ANSI B31.7 Class Ill

7. Hain Steam. 2 2-MS-11 Loop 4 TVA class B A7400 rev. O Main Steam,

8. 2 ANSI B31.7 Class II RHR-1-68 Loop 2 TVA Class B A7198 rev. 9A ANSI B31.7 Class II Residual Nest 1

Removal System 74 TVA Class B ANSI B31.7 Class II PIPE HANGERS

9. 1-RNRH-462 A7198 rev. 9A Residual Heat

10. 1 N/A 1-RHRH-440 Removal System' .

A7198 rev. 9A Residual lleat Removal System 1 N/A STRUCTURAL SUPPORTS 11. 0-C6HTCB732C0601P015 48N1301-2-rev. 8 Cable Tray

12. 48H1305-5-rev. 9 Support 0 N/A 0-C6HTCB732C0602N013 48N1301-3-rev. 5 Cable Tray 0 48N1305-5-rev. 9 Support N/A .I s ...

Workplan*lWo.'10906 Page1:of2[

O v . Items Chesen for Inspection OFFICE OF NUCLEAR OPERATIONS Sheet 1 Item Identid,ication US2. PIPINC (Modified _ of Weld ~

                                                                    ,     Drawing No.

13. _ System 10456-A _ Unit _

Vorkplan No. SEN 310 rev. 1 _ Class Main Steam System. I h" Socket Weld 11590 14 P-25A

TVA Class 5 A7263 rev. 9 Instrument Line ANSI B31.7 Class II Reactor Coolant 1 10688 System, 3" Sch TVA Class A 160 Inlet Line to ANSI B31.7 Class I Pressure Relief valve

15. PIPINC (Maintenance) 1-PIPC-62 _

(Pip'e Cut, Blockage CVCS Plow Sheet Chemical Volume and 1 Removed Pipe Repaired) Control System 62 MR A237162 TVA Class C ANSI B31.7 Class III

16. ICCH-1144 PIP'E'NANCERS (Modified) _

1110-1328 rev. 1 Component Cooling 1 9106 . N/A

17. _ STRUCTURAL SUPPORT (Main _tenance Reactcr Coolant Pump 1-1 Platform SHI-0-68-27 rev. O Reactor Coolant 1 1-PHP-68-8 Pump 1-1 MR A545951 N/A L

014 s .. e.

4 O po_ Sheet 2 O i

Page 1 of 4 FET. DER QUAT.IFTCATTONS j Date of Are Welder yelder's Name " Initial Maintenance

_ Stamp Records _Ce r t i f i ca t i on Item No. Renewal (Note 3) (Note 4) _Safisfactory? Date (Note 1) Audit Status i licrrod 6-IIAZ _(Note 5) 04-15-76 1 llarrell Yes N/Ai 6-IIAF 11-01-73 1 Yes N/A Butler (See Note 2) 6-BBQ 09-20-76 1 Butler Yes 09-02-76 6-BBQ 03-19-76/SN 2 03-23-76/CT Yes 09-02-76 Hodge 6-HAN 01-14*75 2 : Anderson

Yes N/A 6-AAK 01-06-76 2 }

Alexander Yes 6-AAA 09-28-78 10-14-74 3 Ifolden Yes N/A ' P 6-IIAP 06-14-74 4 Yes N/A Gibson (See Note 2) 6-Call 04-09-76/SN 5 12-02-76/CT Yes 01 31-78 licrrod 6-IIAZ 04-15-76 6 Yes N/A Mc Hullen 6-MBT 09-01-76 6 Ilarvey Yes 09-21-79 6-Z11I 11-13-72 7 yes N/A Itarrell (See Note 2) 6-HAF 11-01-73 7 Yes N/A Anderson (See Note 2)

                         '6-AAK          01-06-76                                                                                          ,,

lfarrod 7 Yes 09-20-78

                                                                                                                                       *y ,                               -

6-ilAZ 04-15-76

                                                                          '. 7
              -  ..                                                                                Yes                N/A         "                                '

e #

O O O Sheet 2 Page 2 of 4 UELDER QUALIFICATIONS Date of Are Velder Initial Haintenance Welder's Name Stamp Records Renewal

_ Certification Item No. Sa fi e f ac tory? (Note 3) (Note 4) Date Audit Status (Note 1) (Note 5) Mc llullen 6-PIBT 09-01-76 7 Yes 09-21-79 t 4 S Dingman 6-DAW 02-04-76 8 Yes

'}

N/A Hargis 6-HAS V 08-14-70 8 Yes 10-18-77 3 (See Note 2) 10-19-77 Payne 4-PAC 05-25-72 N/A Yes N/A (See Note 2) Penson 5-PAB 08-18-75 N/A Yes 07-01-74 N/A (See Note 2) Nagle 4-NAB 12-06-77 N/A Yes N/A Harler 1 -PIA B 09-27-74 , N/A Yes ,M/A 02-17-72 (See Note 2) Layne 4-LAC 03-14-77 - N/A Yes 08-02-77 N/A Keith 4-KAC 11-07-75 N/A Yes N/A Jenkins 5-JAA 06-19-70 N/A Yes N/A (See Note 2) Francis 1-FAE N/A (Fail) N/A N/A N/A I Foster 5-FAC 04-24-78 N/A Yes N/A Fcx 5-FAA 09-17-70 N/A Yes

N/A o 02-20-76 - (See Note 2) " Evans ( -, , ,, l - EM. 10-21-76 N/A Yes 10-18-78 01-24-79 ; $tf g ,

b 1 O_ Shsst 2 , Page 3 of 4 8 i W L _E_LDER QUAI.IFICATIONS

Date of Are Welder t 1 q Welder's Name Initial Haintenance __ Stamp Records (Note 3) _ Certification Item No. Renewal (Note 4). _Sa t i s fa c to ry? __Date \ - (Note 1 )_ _ Audit Status Cobb (Note 5) 4 6-CDS 01-18-81 4-CAL 05-18-76 N/A Yes N/A S 1-CAC i 10-29-74 Carter 1-CAA 03-10-72 N/A Carpenter 07-22-74 Yes 11-08-79 5-CAC (See Note 2) i 06-03-76 N/A Burns Yes N/A 4-BAE 06-04-75 N/A 04-04-74 Yes N/A ' Stewart 5-SAK 05-09-78 N/A Simmons Yes N/A 1-SAI 07-21-78 N/A Yes White N/A ' 5-WAC 09-04-70 N/A Yes N/A Wear (See Note 2) ,. t 4-WA0 04-30-75 N/A 03-21-75 Yes 04-11-75 Babb . 1-BAI 01-24-79 N/A Yes \ Almon N/A 5- @ N/A (Fall) N/A N/A N/A Anderson 1-AAP 03-31-77 N/A Yes N/A l Hegan 4-ilAA 11-09-71 j N/A Yes* 01-27-81 01-27-81 (See Note 2) i Dowden 1-DAF 01-24-79 N/A { Mc Hullen ,6-MBU Yes N/A Oj i 09-02-76 N/A Yes N/A .Y 10-12-76 -

  ,,,, ~ ...
                                                                 -                                                                   hF'
                                                                                                                                    ,41 U       .

T Sheet 2 Page 4 of 4 1 WELDER QUALIFICATIONS Note (1): Specific welder certifications are not traceableo tweld joints for item numbers 9 thru 12. not require welder traceability. Items 9 thru 12 do Note (2): Welder maintenance records for the time period p i were not retained nor required tb be retainedrper or toTVA 1974 Construction Procedure No. -P8. However, welder maintenance Note (3): and beyond thereby making item 4e.of the chec a The stamp prefix number identifies the craft as foll 1 - Boiler Naker ows: 2 - Electrician 3 - Ironworker 6 - Pipefitter

        /- -

' Note (4): Hany welders have multiple qualifications. Two dates listed indicates two separate welding processes or separate qualification codes. , Note (5): N/A indicates that renewal of qualification is notpplicable.' a

                                                                                                                                                                           /1
                                                                                                                                                                            /

b o o 006

Sticat , O gs i of 5 _ INSPECTOR PERSONNEL QUALIFICATIONS . Inspector Qualification (s) Date

1. Baxendale, Robert H. Audit Status Visual II 01-31-77 PT-II I HT-II 01-18-77 -

Weld Insp. II 01-21-77 ' I. j 2. Brown, Jack E. 08-25-81 PT-II 07-24-74

                                               .           Recertification PT-II                    11-18-74 HT-II
)'                                                        Visual II                                06-11-75 02-26-78                            . )?

3. Beal, Gary R.

PT-II HT-II 07-14-75 [ Visual II 04-15-76 02-26-76 1 Recertification PT-II 06-27-78 s. ) ( HT-II ! 11-03-78

4. Campbell, Kenneth

)

PT-II 07-21-75

;                                                        HT-II Visual II                                11-19-75                           s,f

5. 02-26-76 Dukes, Carolyn (White)

{ PT-1 ! PT-II 08-15-74 ' i IIT-I 10-02-74 I HT-II 12-03-74 Visual II 03-05-75 ] 02-26-76

                                                                                                                                    , g'           ;

Recertification HT-II 11-12-76 PT-II f 6. 11-09-76 Eggert. Dennis L. , ! PT-II HT-II 08-14-73 Recertification HT-II 11-14-73 Visual II 11-19-74 02-26-76 , g* ; l Recertification PT-II 11-09-76 ! 7. Calloway, Ken C.

RT-II i PT-I 08-22-74 09-03-74 i

                                        -          Recertification RT-II                        11-21-74

Recertification PT-I 12-03-74 PT-II s HT-I 07-10-75 g s ..

Visual II 12-18-73 . a'-'8 5

4

O

              }                                         d                                                 G Sheet 3 Page 2 o.             9 i                                       IMSPECTOR PERSONNEL QUALIFICATIONS                                            .

j _ Inspector 8. Qualification (s) Date Hatmaker, William C. Audit Status RT, NT, UT, PT, EC/III

9. Johnson, William C. 03-19-74 .l' j Visual II MT-II 03-24-76

)                                        PT-II                               04-16-76

10. 04-27-76 s/

Mickler Den H. PT-II PT-II 09-01-70

                                           ~                                      5-M UT-II                                06-01-71 RT-I                                06-15-71 PIT-II                               10-15-71

' RT-II 11-09-71 04-15-74 ' .Recertification MT-II 08-27-74 Recertification PT-II 08-23-74 Recertification MT-II . . I, RT-II Interpretation 11-19-74 . Recertification PT-II 11-20-74 11-19-74 Recertification UT-II 05-01-75 i Visual II

Recertification IT-II 02-26-76 .

Recertification llT-II 10-20-76 Recertification IIT-II 10-22-76

11. Thompson, John R. 11-18-76

Visus! II "

HT-II 01-31-77 . PT-II 01-21-77

12. Rhea, Brenda S. 01-18-77 'f PT-II PT-II 02-11-77 .

HT-I 05-11-77 4 PfT-II 08-12-77 i Recertification PT-II 08-03-79 Recertification PIT-II 04-29-80 Weld Insp. II 07-23-80 'gJ HecertI(lcation PT-IT 09-15-81 3 03-09-81

N O'- 4 Shast 3 Pegt 3 of 5 s_,/ _ INSPECTOR PERSONNEL QUALIPICATIONS t Inspector Qualification (s) Date

;        13. Ward, Dale L.                                                                                           Audit Status NT-II a

PT-II 02-07-75 ! 02-10-75 Visual II S' 02-26-76 l Recertification NT-II 02-25-77 i Recertification PT-II 02-25-77 . RANDON SAMPLINCS

1. Cobb, Carol

;                                                  HT-II PT-I                                        06-07-74 08-15-74 PT-II 10-02-74 Recertification PT-II                        03-18-77                         '}>

Rccertification HT-II 12-03-74

2. Davis, Ceorge S. )

UT-II PT-II 01-7-76 d i HT-II 03-15-77 '

                                                                                                                 .        J  '

o 03-18-77 Visual II 02-26-76

3. Cuy, Danny H. PT-1 PT-II 02-09-17 HT-I 05-09-77 l

HT-II 05-13-77 .i' I 11-11-77 4 Hickam, Roy C. PT-II MT-II 05-23-74 06-15-74 Recertification PT-II 11-18-74 { Recertification HT-II 11-19-74 [ Recertification HT-II 02-21-75 Visual II 02-26-76 ,, Recertification PT-II 11-02-76

s Recertification HT-II 11-05-76 RT-I ,

09-30-77 Recertification MT-II 10-12-79 Recertification .PT-II . 10-12-79 e

i O)

Sheet 3 Page 4 of 5 _ INSPECTOR PERSONNEL QUALIFICATIONS 1 Inspector Qualification (s) Date

5. Howard, Robert..L.

PT-I Adult Status MT-I 03-20-75 1 PT-II 04-14-75 < HT-II 06-16-75 '\"

!                                         Visual II                                   11-19-75

6. James, Charles W. 02-26-76 ,

HT-I N { PT-I 02-06-73 04-23-73 j PT-I j PT-II 06-11-73 4 MT-II 08-14-73 l 7. Jones, Caroline C. 11-14-73 i PT-II MT-II 04-01-81 8. Luck, Jiumy J. 04-01-81 .I PT-II MT-II 12-23-77

RT-I 06-09-78
RT-II -

12-08-78 Recertification FT-II 11-09-79 I Recertification HT-II 11-24-80 l 9. Mack, Donald W. 11-25-80 j Level III, RT, NT, UT, PT . ! by Appointment 06-16-76 . I 10. ,) Palmer, Harvey M. Visual II

11. 01-10-77 Stephens, Henry M. .-

l Level III, RT, NT, UT, PT i } by Appointment 07-07-76 j Re appointment l

Re appointment 08-15-78 Included VT-LIII 09-03-81 I,

i

             %   to e

a

i

 !                                                                                                      . Shoot 3     Page 5 of 5 i

4.g . Y.

!i            _ Inspector                                       INSPECTOR PERSONNEL QUALIFICATIONS                                      'I

_ Qualification (s) i b Date ) " Audit Status h i

1. Radiographic Personnel Identified on Sheet 7 i

Alexander Steven C. _ Recertification MT-II ] Recertification PT-II 04-30-80 HT-II 04-29-80 Visual II ' ~ HT-I 4 01-21-77 PT-I 01-11-77 1

2. Phillips. Kenneth R. 01-11-77 RT-II 4 Recertification RT-II 07-10-75 RT-II 12-10-75 4-l

" 11-21-78 ' 4 f.c'/-u:. I i } i i i I 6 l 1 - p 9

      %  8 I

a

j Sh2et 4 REVIEW OF NONCONFORMANCE AND CORRECTIVE ACTION N/C Material RPT's Date Corrective Action NCR Closed Audit Status M-1071R 12-09-J5 06-22-76 07-09-76 M-1612R - 06-22-76 09-01-76 02-02-78 - M-1883R 09-13-76 03-04-77 . 06-28-77 N/C Condition RPT's _Date Corrective Action 4wW //n//4 NCR Closed _ Audit Status 12 01-04-77 01-21-77 01-28-7f 101 02-24-77 04-01-77 04-05-77 - 109 02-25-77 06-08-77 06-10-77 114 05-25-78 10-03-78 10-04-78 119 03-02-77 06-21-78 06-21-78

122 03-07-77 06-01-78 06-01-78 125 04-11-77 O- 1425 06-15-78 06-19-78 02-02-79 02-17-79 02-22-79 1172 09-07-78 10-20-78 01-23-79 2115 04-10-80 05-13-80 05-13-80 2175 1

05-23-80 07-15-80 07-15-80 2190 06-05-80 02-16-81 02-19-81 2206 1 06-16-80 11-05-80 11-05-80 2392 10-21-80 02-16-81 02-19-81 2398 10-24-80 09-02-81 09-09-81 3 2463 R1 11-25-80 01-28-81 02-03-81 2630 - i 03-02-81 09-08-81 ... 09-09-81 b

028 ! . _ _ , , - - - __ --w+ ' ' " ~

g O O Sheet 5 , k _ DRAWING REVTEWS DrawinR No. _ _Rev. System No. A-7100 Date g Audit Status R8 j

                                               ..                                               Main Steam, Loop 4 & 1 Westinghouse 717J360                                                                                  02-02-78                   f RO                                                                              '

i CVCS-12 31 Series Vertical Stm. Cen. 06-17-70 i R6 i 47W555-it ' Chemical & Vol. Control Syst. 05-23-79 RO 1-RC-003 Chemical & Vol. Control Syst. 08-01-72 , \ R3 , I, Reactor Coolant, Syst. 68 47W304-196 04-11-77 I R6 Reactor Coolant Piping ) ERCW-303RR9 11-08-79 R9 Buried 14" ERCW Supply Header 17W300-30Rio 03-05-85 i Rio j Plan, Yard Piping NO. A-7400

10-18-84 i RO Main Steam Piping A 7198 05-13-71 R9A

' Residual Heat Removal Sheet H63-472 BE-4160-IRHR R1 01-04-73 to 11-14-79 Residual Heat Removal 48N1301-IR3 08-14-75 R3 Steel Cable Tray Supports 48N1305-5 11-01-79 R9 Hisc. Steel Cable Tray 06-07-77 i y p r F6 a l

Note; .

Only 13 dradings were applicable to items for Of fico of construction. 017 .

Sh20t 6

l

_ REVIEW OF WELD AND HEAT TREATMENT PROCEDURES _ Procedure No. ;;M .0* ' Rev. No. Date Audit Statu CT-S>l-13-0-1 & PQR 0 02-28-75 5 CT-SM-11-0-2 & PQR \ 6 08-28-75 SNP M-15 for PWHT Note: CP-W6 Replaced CP-M15 0 . . 11-26-73 Process Spec. 2.M.1.1.(b) 0 10-09-74 PWHT Chart 0 (Post Weld Heat Treatment) 07-19-76 . (Calibrated 07-13-76) GT- 88-0-1 & PQR l 6 5 02-23-79 CT-Sit-88-0-2 & PQR 3 08-29-75 CT-SM11-03B & PQR l 8 10-01-80 CT-S!!-11-0-2 & PQR f 6 08-28-75 ! CT-SM-13-0-1 & PQR 0 02-28-75 l JT-S!!88-0-1 & PQR i* 3 02-28-75 SM-P-1. AWS Prequalified .. 0 07-31-74 SM-U-1. AWS Prequalified : 0 07-31-74 Note on Drawing 48N1305-5 5 06-07-77 Notes 8 & 15 on Drawing 48N1301-1 3 11-01-79 I

                                                                                         'IY
                                                                                              ,pp e

Q e

003

O Sheet 7 D R DIOCRAPHIC REVIEW i Item

      &                 Weld I.D.           Drawing No.

j Procedure RT-Date

1. /[<//>/T.s&# tit) _Comunen t s CVC.1-78 A 7265

2. 3.M.3.1(c) 02-18-77 i' 2-}fS-11 K. C. Calloway-L-II RT j A 7400 2-HS-35 A 7400 3.M.3.1(c) 06-29-77

] 2-ttS-3 5 3.M.3.1(c) .,. K. C. Calloway-L-II RT A 7400 02-10-78 - K. C. Calloway-I.-II RT f 3. 3.H.3.1(C) 07-07-77 RHR-1-68 A 7198 4 3.M.3.1(c) 08-09-76 RC-1-28

                                                                                                             .. l

K. C. Calloway-L-II RT RC-3 3.M.3.1(c)

5. 09-23-75 f Ken Phillipe-L-II RT MS-1-32 A 7100 j

HS-1-4 A 7100 3.M.3.1(c) 01-27-77 i 3.M.3.1(C) K. C. Calloway L-II RT 06-15-76 -> K. C. Calloway L-!! RT

                                                                                                                                  .-g' I

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(').444 i

O C' Sh2st 8 l'a ge 1 o f 4 I WELD FILLER METAL Item N o ., PF Spec _ Contract No. No. _ Heat No.

1. Lot No. Date

_ Material 79KAl-589833

2. 1019 _ Received 76X2-523'U54-1 27433 Audit Status 1012 ER 70S-3

                                                                "         A66070              7054*                             12-18-80
                                                                               "                             E 7018                                       fh n

7055* " 03-15/03-17-77 7060* 3. 7061* y { 76X72-523054-3 1012 N56871 .o

                                                               "                             026556          E 7018                                     a 642818             026B59                    "        03-30-78 4                                                                                                                           "                 [

76X72-523054-1 1012 17921 7229*

5. E 7018 79K72-589854 1015 05-24-78

                                                              "         D44757308 c44757308                          ER 308             06-27-80

6. ER 308 72X32-60480-2 1015 06-16-80

                                                             "         7-8459
                                                            "          336268                              ER 308             06-19-74 59236                                    "

7. "

72X32-60480-1 1012 05P018 8. 222825 E 7018 72X32-60480 1012 03-20/03-21-72

                                                           "          02T171              2534901
                                                                                               "          E 7018             11-20-73

9. 01-04-74 72X32-60480-1 1019 08T936

10. ER 705-3 72X32-60480-1 1019 11-14-74 05 LOO 8 E 70S-3 10-02 s

11. .

72X32-60480-1 1019 431J5621

12. E 70s-3 05-10-73 1019 l

                                                        "           08T814 08T814                               E 705-3             12-19-73

13. " "

1019 625537

14. " E 70S-3 ejC= '

1019 10-13-72

641212 }

Very long lot E 705-3 09-30-75 14\Y# ngg %

                                      # with multiples of letters in the middle.                                                                    t/
                   .8 e

Shact 8 Pegs 2 of 4 v WELD FILLER NETAL 'A Item . ,g h pp gE** Contract No. No. Heat No. I.o t No. Date Material

15. _ Received 72X32-60480-2 1016 Ad it Status KBOCC CCOFD E 308-15 07-24-74

16. a 72X32-60480-2

                                      "                1016              336266
                                                                                                                                                 $]

50536- E 308-15 50543 " 09-09-74 , 17. " 1 72X32-60480-2 1016 336266 50544

18. E 308-15 09-27-74 72X32-60480-2 1016 a

a T 9779 50822

                                     "                                      ..                       E 308-15       01-09-75                     l 50823               "
                                                                                                                             "                   T 508:4               "

19. 72X32-60480-2 1015 7 41227 346677 ER 308 11-11-75

                                                            "                                       ER 308                  a T 5636

20. ER 309 "

72X32-60480-2 1015 48983

21. ER 308 03-28-72 i 72X32-60480-2 1015 56092: 22. ER 308 03-27-73 72X32-60480-2 1016 e CA0HD L; 23. E 309 04-10-74 j 76X72-523054-3 1012 412W3931 l " 026822 E 7018 641651 026821 a 06-09 "

} 24 76X72-523054-3 1012 B15758 02689 e " E 7018 06-14-76

!                                                                    650W135        026n17             a a

) 25. 76X72-523054-2 1015 741872 760284 ER 308 06-06-76 a

26. 72X32-60480-2

                                  "              1015               713239
                                                        "                                         E 309          03-21-72 710719                        E 309 27,                                                                                                      03-21-72

{ 72X32-60480-2

                                  "              1015 49411 E 308 g6 494 I I                                       03-09-72
                                        ,                                                         E 308                                            g' 7, 'd>

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Sheet 8 Pagt 3 et _W E1.D F7LLER NETAL Item PF Spec Na contract No. No. Heat No. _ Lot No. Date Material

28. Received Audit Status i

76X62-60480-2 1012

                             ",,                "          26950                8213A22143
                             "                                "                                 E 7018       08-10-78                         !
                                                "             "                8213B22143            "
                                                                                                                    "               S         {

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                                                              "                8207C22143            "              "

2 8207D22143 " 72X32-60480-1 1012 422N1151 2841692 %

30. E 7018 10-21-74 72X32-60480-1 1019 623389 AF

31. E 70s-3 j

72X35-60480-1 1018 04P609 04-06-72 g AE , 3020356 E 7018 32. 72X32-60480-1 1012 11-24/12-01-72 b

                           "                             432H5031             2929791
                                              "                                               E 7018        10-24-72 422118581            2929531              "

33. 10-24-72 72X32-60480-1 1012

                                 '                       402J2761             3121079 i

401J7541 E 7018 11-24/12-01-72 j 3021077 E 7018 " 34 72X32-60480-1 1012 de 01W019 2241342

35. E 7018 03-13-74 72X32-60480-1 1012 412L7101

AF 3034015 E 7018

36. 72X32-60480-2 1012 12-12 AF 402N8581 2443662: 37. E 7018 05-21-74 72X32-60480-1 1019 43LJ5621; 38. 72X32-60480-1 1019 E 70s-3 05-03-73 AF 625537 i; 39. E 705-3 10-09-72 AF 72X32-60480-1 1012 411N0471 2640342; 40. E 7018 08-16-74 $

72X32-60480-1 1012 08R217 2544387

41. E 7018 07-02-74 '

76X83-767325 1019 42277432

42. E 70s-3 03-09-76 b 72X32-60480-3 1014

                         "                            3636                                                                      }

Inconel 182 i 3102 3624 Inconel 182 Inconet 182 07-07-76 a

                                                                                                                                   *[O 6*  I
                         "                            03890                                                                       * \g) ,g 5559D                                Incenal 82           "

Inconel 82 " b,

O O Sheet 8 P. ige 4 of 4 V I' WELD FILLER NETAL Item . j No. PF Spec Contract No. _ No. Heat No. Lot No. Date

43. Material Received 76X72-52354-2 1015 Audit Status 745011 j 44 ER 309 09-25-78 I

76X83-767265 1036 671 6 i 45. E 707-1 03-05-76 i 76X72-523054-1 1012

                                                               "                52407            8136A22143 4                                         "                                          "                            E 7018          07-07-78
                                                               "                    "            8136522143           "
                                                                                    "            8136c22143           "

8136D22143 ". " i 46. 72X32-60480-1 1019 3f 421E901 E 705-3

47. 76X72-523054-4 1019 C4417 04-25-72 $E
48. E 7056 07-13-76 U<

                                                                                                                                                                        <4 76X83-767325           1019                 42277432 gIM '

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4.0 _S10UOYAH WELDING REINSPECTION REPORT The Reinspection Plan submitted as part of Volume I (Enclosure 2, Attachment 2) gives the rationale for the SQN Reinspection ef fort. 4.1 SCOPE The scope of the reinspection is contained in Volume I (Enclosure 2, Attachment 2) and consisted of the following: 333 piping welds in 7 systems comprising 4,604 lineal inches of weld and 15 welds in spiral weld duct. 3 403 joints for 50 structures comprising 7,369 lineal inches of weld. 4.2 REINSPECTION CRITERIA Criteria for the reinspection including inspector qualification requirennents are contained in Volume I (Enclosure 2, Attachment 2). The purpose and qualification requirements for the oversight inspection are also given in Volume I. See Appendix 4.1 for the t mechanical oversight inspector's report and Appendix 4.2 for the

structural oversight inspector's report.

I a O " ' ' ' " " '

n -- 4.2.1 MECHANICAL WELDS / Code Criteria: The reinspection plan stated that the Class 3 piping should meet the surface examination criteria of ANSI B31.7, 1969 Edition plus 1970 Addenda. Criteria appropriate for use in reinspecting and evaluating welds in piping systems constructed in accordance with ANSI

                - B31.1, 1967 and ANSI B31.7,1969 and 1970 addenda are contained in the following codes:

ANSI B31.1 ANSI B31.7 ASME Section III ASME Section XI Code case 115 of B31 permits the use of AEME Section III or newer editions, addenda, or code cases of ASME Section III as complying with B31.7. Section XI of the ASME Code contains criteria for evaluating flaws found in systems that have been placed in service and permits repairs (this includes inspection criteria) to be performed to "later editions of the Construction Code or Section III. . .".

     )                             Page 2                          096093.03

                                                      .               -                                                       --                     ~

The surf ace examination procedures used by Nuclear Operations during the reinspections comply with ASME (, N- Section III and ASME Section XI. These procedures were used instead of the procedures specified in the Work Plan I l I because Nuclear Operations personnel were qualified to the ' Nuclear Operations' procedures and not the previously specified procedures. The only relevant difference between ANSI B31.7 and ASME Section III for veld NDE is

that B31.7 considers indications of all sizes relevant, no i

matter how small, whereas ASME Section III allows indications with major dimensions 1/16 inch or less to be considered not relevant. Because later editions of both ASME and B31.1 consider 1/16 inch and smaller indications non-relevant this is an industry accepted relaxation from the specified criteria. Since the allowable size of ( ) imperf ections found by surf ace examination methods is larger in ASME XI than in Construction Codes piping welds were evaluated first to the Construction Code requirements. TVA's Construction Specification for Field Fabrication, Assembly, Examination and Tests for Piping Systems for Sequoyah Nuclear Plant permits the use of ANSI B31 Case a 115, for Class 3 piping systems. Page 3 096093.03 1

 'r - - - -

v -,, , , - - - - , - - , - - - - - , , , . , - - - - - ,__.-..-------.-------..s- - - - - .--w-y,,. ,, . , -- - - - +--

This was the basis in 1978 for upgrading the surface

    ,s           examination procedures to ASME Section III criteria which s

permitted the 1/16 inch relevancy criteria previously discussed. The Nuclear Operations surf ace examination procedures used in this reinspection were reviewed by the Of fice of Engineering. The techniques of the procedures were found to be equivalent to and the acceptance criteria are the same as specified by the reinspection procedure. Application of Criteria:

l All welds were visually reinspected to assess indicators of weld filler metal quality such as porosity. The welds

/'

( were checked for correct generic filler actal type by using a magnet to determine if they were non-magnetic, strongIf magnetic, or weakly magnetic. Visual reinspections also addressed cracks, lack of fusion, slag inclusions, are strikes, weld spatter, weld contour /cransition, undercut, size, shape, and location. Visual discrepancies other than size, shape, location, undercut, and contour / transition were accepted based on acceptable NDE. Page 4 096093.03

Spiral weld duct butt-welds were visually inspected by

    ~       CWIs and indicators of weld adequacy such as undercut,
  '         porosity, convexity, and overlap were assessed.

The inspector's opinion of the quality of the welder's work-better than average, average, or unacceptable--was recorded for both piping and duct welds. The NDE methods (MT or PT) chosen for the reinspection of piping welds were those originally required by the Construction Code. Each veld was inspected by the same method (MT or PT) used fer its original acceptance. 4.2.2 STRUCTURAL WELDS {'N The reinspection plan stated that structural steel and support welds would be reinspected to drawing requirements in accordance with NCIG-01 published by the Nuclear Construction Issues Group (NCIC). These criteria are appropriate for use in reinspecting and evaluating structural welds at Sequoyah which were designed and fabricated to the AISC specification. i 4 o P.g a . . .., l

4.3 REINSPECTION RESULTS { Reinspection data have been tabulated and are shown in Tables 4.1 and 4.2 for the piping and spiral weld duct butt welds and Tables r 4.3 and 4.4 for the, structural welds. OE evaluation reports for piping and spiral weld duct butt welds indications and imperfections noted in the inspector's reports e are included in the fo'11owing arpendices. Appendix 4.3 Evaluation Report of' Pipe Welds Appendix 4.4 Evaluation Report of Inadequate Leg Length i or Excessive Reinforcement Appendix 4.5 Evaluation of Pipe Stanchions Appendix 4.6 Evaluation of Spiral Weld Ducts Appendix 4.7 Metallurgical Evaluation of Austenitic n'-' Stainless Steel Arc Strike Appendix 4.8 Discussion and Assessment of Indications Appendix 4.9 Inspectability and Document Assessment Page 6 096093.03

r 4.4 ASSESSMENT OF REINSPECTION RESULTS s A total of 1,742 welds were reinspected visually and for generic filler metal type. Three hundred thirty-three (333) welds were in piping, 1,394 welds were on structural and miscellaneous steel and on supports for piping, cable trays, conduits, HVAC ducts, and instrumentation, and 15 butt-welds were in spiral welded duct. In addition to visual examinations, Liquid Penetrent (PT) or Magnetic Particle (MT) examinations were performed on 304 pipe welds. The remaining 29 ANSI B31.1 pipe welds received only a visual examination during fabrication and installation and were therefore reinspected only by visual examination. m U

   /%                               Page 7                         096093.03 U

4.4.1 MECHANICAL WELDS l ( m For the 304 piping welds that underwent NDE (NT or FT) reinspection, 296 (97.4%) were accepted based on the i results of the first reinspection. Eight welds had some rounded and/or linear indications which appeared to be due i j' to incomplete paint removal, surface contour conditions, roughness, and/or exposure of new surfaces (by vigorous , paint removal process) to NDE. Other factors which could have contributed to these indications are: variations in inspector technique, differences in penetrant dwell / development time, or differences in penetrant viscosity. The detailed evaluation of these eight welds is addressed in Appendix 4.8. A summary of the evaluation and final conclusions follows.

After careful cleaning, one of the eight welds was accepted as-built to ASME Section III and two welds were accepted as-built to ASME Section XI. Five welds received j further conditioning by filing or grinding the i

j indications. The NDE was then repeated. Three of the i five welds were accepted to ASME Section III and the remaining two welds were accepted to ASME Section XI. Page 8 096093.03

Wall thickness measurement in the area of the weld metal removal verified that in no cases were minimum thickness conditions violated. Therefore, no weld repair by re-welding was required. Because the percent of discrepant welds by reason of MT/PT is very small, we conclude that the implementation of fabrication and examination procedures for the work represented by the welds met all coussitzents. i l l I Page 9 096093.03

As a otda incue to tha reintpectica, two cf tha eight welds discussed were of such rough condition that they were questioned as being inspectable even if completely fx

  'q_,)            cleaned. The adequacy of the initial inspection was questioned. However, this question was resolved by the cleaning and acceptable NDE re-reinspection results. The indepth investigation of the welder and inspector qualification revealed no indications of inadequacy of the welder or inspector- capabilities. However, a problem was identified involving veld data sheet documentation for the modification involving these' two welds. The investigation and recommendation for corrective action are discussed in Appendix 4.9.

5 VISUAL s All visually reinspected piping welds were accepted either i initially by the inspector, by OE evaluation to Code requirements, or by OE evaluation to Code requirements following repair by surface conditioning and re-reinspection. All the welds had the correct generic type weld metal. No cracks were reported and porosity was minimal. All piping welds were visually reinspected for the 4 attributes listed in the following table which also summarizes the results of the raw data contained in Tables 4.1 and 4.2. Appendices 4.3, 4.4, 4.5, and 4.6 provide , Page 10 096093.03 0

detailed evaluatican of trolds with rejsetcble attributes. PIPING WELDS G' No. of Weld % No. of Welds Attributes Weld Attribute Attribute Reinspected Acceptable /Reiectable Acceptable /Reiectable contour / Transition 333 317 16 95.2 4.8 offset / Alignment 333 331 2 99.4 0.6 Undercut 333 331 2 99.4 0.6 Reinforcement 333 326 7 97.9 2.1 Weld spatter / Arc strike 333 229 104 68.8 31.2 Weld Location 333 333 0 100.0 0.0 Weld Size 333 320 13 96 .1 3.9 Weld Metal / Base Metal 333 333 0 100.0 0.0 Weld convexity 333 333 0 100.0 0.0 Incomplete Fusion 333 328 5 98.5 1.5 Weld overlap 333 325 8 97.6 2.4 Underfilled 333 221 12 96 .4 3.6 l Surface Porosity 333 318 15 95.5 4.5 l Surface Slag 333 333 J 100.0 0.0 4,566 4,382 184 96.0 4.0 l Page 11 096093.03 !O { i

Spiral weld duct butt-welds were visually reinspected by CWIs for veld quality indicators such as porosity, v undercut, convexity, and overlap. The weld filler metal was evaluated magnetically and found acceptable. The welder's skill was also evaluated and recorded by the inspector. The 15 welds reinspected were of average quality, with the exception of portions of eight (8) of the welds in which accessibility to the weld joint was restricted because of adjacent walls. However, inspection vindows were cut in some of the ducts to confirm that the typically used practice of performing 1.D. welds in such restricted

,   access situations had in fact taken place. The duct butt welds were found to be free of cracks and other significant indications. All reinspected spiral weld duct

butt-welds were accepted (see Appendix 4.6) and were of j sufficient quality to assure structural adequacy of the ..

duct to meet the design requirement. ~ In summary, the NDE indications and visual imperfections identified during the reinspection are not injurious or in any way detrimental to the function of the welds. All 333 piping welds and the 15 duct butt-welds are acceptable. THE RESULTS OF THE REINSPECTION AND THE ENGINEERING EVALUATION AND DISPOSITION OF THE REPORTABLE CONDITIONS 1 CONFIRM THAT THE REINSPECTED MECHANICAL WELDS ARE ACCEPTABLE FOR USE. MEET CODE REQUIREMENTS. AND ADDITIONAL REINSPECTIONS ARE NOT REQUIRED. Page 12 096093.03

4.4.2 STRUCTURAL WELDS _ Considering the structurally significant attributes, 86% d of the linear inches of the reinspected structural weld is acceptable based on the reinspection results. The weld joints, containing the remaining 14% of the reinspected weld, have been evaluated by OR and the weld joints meet design requirements. An analysis based on the number of structurally significant attributes that were considered in the reinspection is tabulated below: Inches of Weld Weld Attribute Inches Percent (%) Attribute Examined Acceptable Reiectable Acceptable Reiectable Size 7369 6604 765 89.62 10.38 Incomplete Fusion 7369 7351 18 99.76 0.24 Overlap 7369 7366 3 99.96 0.04 Craters 7369 7362 7 99.91 0.09 Profile 7369 6999 370 94.98 5.02 k Undercut 7369 7338 31 99.58 0.42 Correct Filler Metal 7369 7369 0 100.00 0.00 Type 51,583 50,389 1,194 Attribute inches is defined as the total inches examined times the number of attributes examined. Based on attribute inches, the overall reinspection acceptance rate is 97.7%. During the course of the reinspection, the inspectors identified nine weld joints with veld omitted. Two joints of item #1 (welds D2 and D4 and F2 and F4) were reported as having missing weld when in fact the variance Page 13 096093.03

und fer building th2 cupports did not requira this weld. Apparently the inspectors did not properly C - interpret the variance. One joint of item #2 (welds M2 t an/, M3) had weld regrted missing. This support was constructed from a variance which did not allow the omission of these welds. However, the joint has been evaluated by CE and is adequate for design loads. It could be concluded that a failure to properly document a variance occurred. This does not imply that a procedure was deficient, only that an implemention error may have existed. Six instances of joints with omitted weld were reported (four joints on item f5, welds A2, A3, and A4, B2, B3, and B4, G6, G7 and G8, and H6, H7 and H8 and two joints on item #26, welds B4 and C4) where a vendor's (Basic Engineers) letter, approving omission of certain welds, was used as the basis for omitting weld. A review of the letter and these supports indicates that the application of the letter is inappropriate for these supports. Each as-constructed weld joint has been evaluated by OE and is adequate for design loads. Portions of 11 structures comprising 40 welds containing 144 linear inches of weld were judged by the CWIs to be inaccessible due to personnel safety considerations and or physical spece limitations that prevented access to the welds. In all cases where welds were reported as inaccessible, the presence of weld was verified by field Os V inspection or the joint was evaluated by OE as having the Page 14 096093.03

weld oissing. Bassd cn this cvaluntisn, cil of tha joints meet design requirements. -/~'N

\   )

v- Subsequent to the TVA reinspection NRC inspectors reinspected welds on some of the same structures. During the course of the NRC effort, one structure was found to have weld missing for part of a joint that TVA inspectors had classified as inaccessible. This weld joint has been reanalyzed by OE and is acceptable in the as-built configuration. Because of questionable practices that were discovered during the reinspection program, Significant Condition Report (SCR) SQN CEB 8606 was written to document potential quality problems related to configuration control. The SCR covers the problems of welds not being made as specified by the OE drawings and the questionable v use of a Basic Engineer letter allowing the constructor to omit certain welds called for by the detail drawings. A statistical analysis of the weld reinspection data was performed by the Bechtel Power Corporation using generally accepted statistical methods to address the significance of these two potential problems. Based on this analysis, it can be concluded with 95 percent confidence that over 99 percent of the welded structural joints contained on a variety of types of supports and structures at SQN are in conformance with engineering design criteria pertaining to weld strength and acceptable quality. Page 15 096093.03

         -Tha enalycio cloo shows thr.t consid2 ring both inappropriately omitted welds and other kinds of weld anomalies, it can be concluded with a 95 percent confidence that over 97 percent of the total joints in the Basic Engineer designed support population are in conformance with engineering design criteria.

This analysis provides adequate assurance that the as-constructed structural weldsents meet design requirements and that additional reinspection of structural welds is not required. THE RESULTS OF THE REINSPECTION AND ENGINEERING EVALUATION OF THE REPORTABLE IMPERFECTIONS CONFIRM THAT THE REINSPECTED WELD JOINTS MEET DESIGN REOUIREMENTS. AND ADDITIONAL REINSPECTIONS ARE NOT REQUIRED. 4.4.3 OVERALL ASSESSMENT AS REIATED TO EMPLOYEE CONCERNS The Employee Concerns indicated potential problems related to various aspects of welding. The concerns have been addressed through our Phase I and Phase II Welding Project activities. The reinspection data indicate that the welding at SQN was performed by qualified welders using appropriate procedures, that the correct type filler material was used and that electrode moisture control was effective. The original inspections are valid since no cracks were found, porosity was minimal, the correct type filler material was Page 16 096093.03

ussd end evere11 quality of the colds is acceptchie. The reinspection results demonstrate adequate control of

filler material, weld quality, electrode control,

               ~ inspector qualification, inspection program, certification /recertification of welders, and adequacy of welding equipment. The data indicates that the program controlling the work was adequate to produce welds with appropriate quality.

4.5 ROOT CAUSE EVALUATION AND CORRECTIVE ACTION Analysis to determine the root cause and required correc'.ive action of each significant variant has been performed. A significant varient is a discrepancy requiring corrective action. For the pipe and duct welds the only variant to be considered was arc strikes. The root cause has been determined as welder technique. Since are strikes have been determined to be nondeleterious to the weld due to the low hardenability of materials subject to this reinspection, corrective action is not required. The significant variants in the structural reinspection data that required a root cause analysis are:

1. Weld Size

2. Weld Profile

3. Weld Missing

\ Page 17 096093.03

Wald sizo eco rcportcd cc being und2rsiza for 10.38% of tha reinspected weld. Considering the circumstances surrounding the [Lj'} reinspection (oversight by a consultant, NRC to reinspect, high visibility within TVA, etc.) it is to be expected that the inspectors would be extremely conservative in measuring, rounding off, and reporting veld size. An analysis of the data supports this thesis in that 82.5% of the weld reported as undersize is undersize by 1/16" or less indicating that the inspectors were very meticulous in measuring and reporting weld size. Because the reinspection was more meticulous than the original inspection (which was performed to industry standards in effect at the time and was representative of the level of detail used throughout the industry) it is reasonable to expect a deviation of 10-15% in the results. Since the reinspection data meets this criteria corrective action is not required. A similar rationale can be applied to veld profile, consequently corrective action is not (n D) required. The root causes for omitted weld are:

1. Incomplete information on drawings leading to misinterpretation of the requirement.

2. Misinterpretation of the vendor's instructions by both the craftemen and the inspectors.

3. Structures located with difficult access to perform weldi.3 (A) nj Page 18 096093.03

The corrective actions to remedy the problem of missing veld are: (

1. Better communication between the designer and the constructor (see section 5 of this report).

2. Withdrawal of the vendor letter approving omission of certain welds (already handled by the design project).

3. Retrain designers (see section 5 of this report).

All joints with missing welds were evaluated by the Engineering organization and found to be suitable for service. No additional reinspections are required, see section 4.4 for the detailed evaluation. l l Page 19 096093.03 i i

TABLE 4.1 Table 4.1 is a summary of reinspection data of mechanical welds tabulated in Table 4.2. The data is a listing, by systems, of the results of the visual and nondestructive examination reinspection and categorizes the resolution of the inspection data. l j l i s I i l 4 I i 096098.01

D f3 d ( U TAILE 4.1 REINSPECTION

SUMMARY

FOR MECHANICAL NELDS SEGUSTAN NUCLEAR PLANT

Visual

NUMB : NURS :------------ BVE PEN lMA6 PART : JUS 6E EVAL : KSULTS : INCH : FINAL RESOLUilON SYSTER:NELDS:NELIS :TOi UNSAT-: : ----- : --------- : ----------- : --------- : NELD :------------------------------------------

                                                                                                 !INNT:REINSP:lNSP:ISFACT: 5 :$ :U : S :U : I: 2: 3 lACC lN01 : INSPI : Al : A2 : A3 : 44 : AS : A6 : A7 : A0 : A9 lA10
                                                                                             -p.. :           - p . p        p p... p. p. p... p. p... p... p... p... p....... p . p... p... p... p... p... p... p...:....:....

AFD : 51 : 42 : 42 : 9 : 33 : 16 : 4: II : 4: 7 : 35 : 0 : 29 : 13 : 933.88 : 29 : 6: 2: 0: 0: 0: 3: 1: I: 0 i : : : : : I : : : : : : : : : : : : : : : : : : : CBI : 27 27 : 27 : 5 22 : 0: 4: 0: 0: 0 : 27 : 0 22 : 5 1 208.07 : 22 : 4: 0! 0: 1: 0: 0: 0: 0: 0 CC : 67 : 33 : 53 26 : 27 : 26 : 2: 16 : 9 : 28 : 23 2 : 24 : 29 ::026.46 : 24 : 17 : 2: 0: 6: 2: 0: 1: 0: CVCS : 5 5 5: I: 4: 5: 0: 0 0: 0: 5: 0: 4: I: 37.3 : 4: I: 0: 0 0 0: 0: 0: 0: 0 EA : 214 : 132 :132 : 66 : && 126 : 6: 4: 0 : 62 : 69 : 1 : 64 : 68 : 935.05 : 64 : 53 : 4! 0: II : 0: 0: 0: 0: 0 , ERCN : 13 : 62 : 62 : 22 : 40 : 45 : 1 : 13 : 3: II : 43 : 8 : 39 : 23 :1431.96 : 39 : 20 : 2: 0: 0: 0: 0: I: 0: 0 SEN : 22 : 12 : 12 : 0: 12 : 12 : 0: 0: 0: 12 0: 0: 12 : 0: 31.68 : 12 : 01 0: 0: 0: 0: 0: 0: 0: 0

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SUITOT: 459 : 333 : : : : : : : :120 :202 : II l194 :139 : 4604.4 :194 1101 : 10 : 0: II : 2: 3: 3: 1: I 4 NYAC SPIRAL KLD BUCT

SUMMARY

1 Nv : 15 : 15 : 15 : at 7: 0: 0: 01 0: 0: 15 : 0: 7: a: 1043 : 7: 0: 0: s: 0: 0: 0: 0: 0: O 1 p....:. ...; ; 3 : : : ; 3- :-..:....:....:-..:..-....:....:....:....:....: ..:....:..-:..-:....p... TOTAL : 474 : 348 : : : : : : : :120 :2t? : II l201 :147 : 5447.4 :201 :101 : 10 : 8: 18 : 2: 3: 3: I: I l Notes: I For legend, see Table 1.2 4

1 i I 4 4 t e i 1 i 4 t

i i TABLE 4.2 i i! i i i j Table 4.2 is a tabulation of each weld of the reinspection data st - rised j from the reinspection reports. The results and resolution of the i reinspection for each weld is tabulated. i i 5 4

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O2 16 OR IG INAL INSP ECT ION SUMM AR Y :1 R E- I N SP ECT ION $uM M Ah V ll IN D Et :t I-----t stNITL: 11906:1986:LN IN i : ! N DE ! :EESULT IFINAL

ITVAISIZE ITHICV I IVIPIM: I ftNSFT:1 t % E -- l RCVD t WELD 8 8 t E X AN : WEL D : ----------- : :-------:EESO-UNT:S)S WELD NUMBER ICLSittN) !(IND WLD NAPITITIT:MATL:OEGlvV/MM:: NOTES !!NSP:OE l1NSFEC19Y IMETLVT FTIMT:JE:ACC:NOItLUTIDN

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15 : tu :At t :ArD :t-AFDr- 47 C I O to.700 :A-7352 x tr:C !C NR ::E/tB t----l----:------:----:----:-----l--:--:--:NA :---:------

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1 : AFD tt-AFDF- 59 !C ! O 10.322 BA-7150 txt tu:C lC 175/04 ' !!/27tt/!O: 27.1 lLW :SM !S f :S :2 :X ! IAI 1 AFD 21-AFDF- 92 !C ! 6 10.562 BA-7155 11t M:C :C 275/04: it/24: 1/!O 20.01 lLW ISM !S ! IS :: :X ! !At 1 AF D :t-AFDF- 92A IC 4 10.430 IA-7155 8 MIXT 3C IN 204/02!: 9 :t/23:t/70:14.14 LW tSM S :S t I2 t u 848 t : AF D tt-AFDF- 92B IC 8 4 80.470 A-7155 Extxt IC 8N !O4/02: 1 9 !!/03!!/!Of14.14 :LW ISM :S IS : 82 1X ! !At t :AFD :3-AFDr- 92C IC 8 6 10.562 84-7135 tutut IC IN 194/03: t 9 11/23:t/20!20.01 :LW ISM 85 3U . 12 I II IAF 1 :AFD t t - AF DF- 92D IC I 6 10.562 :A-7155 tutzt :S :N :04/02:t 9 ft/2:st/!O!20.01 LW INN S :S I It II 1 lAt 1 IAFD tt-AFDF- 92E IC I 6 10.362 8A-7155 stu :S IN 104/02: 3 9 :1/2? 1/30:20.01 tLW INN lS :S 1 !! Ik I !At t AFD : 1-AFDF- 92F :C : 6 10.562 IA-7155 txts: tC IN :NA ':E/589 t----!----:------:----:----t-----:--:--:--:NA t---:------ 1 :AFD it-AFDF- 96 :C t 6 10.562 :A-7855 tut II:C !C 175/04::E/t 1----:----:------i----:----:-----l--:--:--!NA :---:------ 1 AFD tt-AFDF- 96A IC : 4 30.430 IA-7155 Ixtut :C IN 3C4/02:: 9 !!/27:1/20:14.14 LW ISM IS :S : ! II : 1At t : Arc 1-AFDF- 968 IC t 4 0.420 IA-7155 tItti C IN 804/02!! 9 !!/27:t/30:14.t* :LW :SN IS :S : :2 tr :At 1 lAFD ft-AFDF- 96C 3C ! 6 10.562 !A-7155 IXtNI !C IN 884/03: 3 9 !!/05:1/202:0.01 :LW ISM :FN IU : 12 I !I lA0 1 AF D f t - AF DF- 96D IC I 6 30.562 IA-7tSS IXtut :S IN 194/021: 9 81/24:t/20:20.01 ILW INM :S IS ! It !X :At 1 lAFD tt-AFDF- 96E 3C I 6 30.562 1A-7155 IIIxt IS IN 194/0211 9 II/24:l/!O!!O.01 ILW 1NM :S IS I 38 lN : tat 1 IAFD it-ArDF- 96F 3C 8 6 30.562 tA-7155 tu1Et IC IN INR 1E/389 8----!----f------l----:---- -----t--t--l--INA t---l------ 2 IAFD 82-AFDF- 19 3C 8 6 30.562 IA-7420 SMt istC IC 177/0011 :t/21:t/23:20.01 lLW ISM 15 t IS 32 tx : iAt 2 IAFD 82-AFDF- 20 IC I 6 10.562 IA-7400 IXI IIIC C 177/001: 11/21:l/23:20.01 ILW SM IS !S 12 :M I IAt 2 !AFD 12- AF DF - 20AAIC t 4 80.4!0 lA-7420 tEtXI IC N 194/06t! 0 31/21!!/25 14.14 LW SM IS IS t !2 II : lAt AFD 82-AFDF- 20PB:C I 4 !O.430 A-7420 INtrl IC IN 304/0618 0 II/0181/25884.14 LW :SM lS :S ! l2 :X : IAI 2 :AFD 2 2- AF CF- 20CCtC I 6 30.562 1A-7420 MIX 8 tC IN 804/10:3 0 81/21!!/25:20.01 LW ISM :S :S 1 :: :s : 1A1 2 I AFD 12-AFDF- 20DDIC t 6 10.562 lA-7420 IIIMI IS IN $04/05! 0 11/21:t/25!20.01 lLW lNM S !S : il IX ! At 2 I AFD 2 2-AFDF- 20EEIC I 6 10.562 tA-7420 1x:XS IS IN 194/05t: 0 11/01 1/05t:0.08 :LW wM lS :S !! IX : tat 2 IAFD 82-AFDF- 24 tC 4 6 10.562 8A-7420 lui tutC IC 177/0718 ft/22ft/23:20.01 lLW ISM IS : tS !? :X I :At 2 I AF D 12-ArDF- 25 IC 8 6 80.542 8A-7420 SEI futC lC 877/OI:tE/1 1---- ---- ------:---- ----T-----:--!--t--tNA 1---l------ 2 ! AF D 82-AFDF- 25AA!C 3 4 10.430 IA-7420 IttXI lC IN 204/0688 11/22!!/25!!4.14 LW ISM :S tu IU 82 : :8 A7 2 IAFD :2-AFDF- 25PP:C t 4 10.430 IA-7420 IIIII IC IN 804/0618 11/22:t/25:14.14 ILW ISM :S IU IU 10 t IN !A7 2 IAFD 12-AFDF- 25CC:C 8 6 10.562 4A-7420 II:X: :C lN 194/10:1 l/22:t/25:00.08 lLW ISM :S :S I !? IE t lAl 2 : AF D 12-AFDr. 25DD:C I 6 10.562 A-7420 IItx: :S :N l04/05t: 11/22: 1/25120.01 ILW INN :S :S it II ! At 2 AF D 12- AF DF- 25EE:C 1 6 30.562 tA-7420 tutzt IS :N 184/05 . 11/2221/25!!O.01 lLW ISM IS :S :2 IN I lAt O : CST :CPT- IW* IG I 5 I O.12 :CPT-1 !Et i IS :C IN/A !! lI/22:l/25! 11 :DA !WM :S I ! 32 SE I !At O CBT IC97- 2wP IG t 3 I O.82 IC97-1 III I IS 3C IN/A 1: II/22!!/05I tl 3DA IWM IS I 12 :E 4 IAt O ICPT ICBT- !wP IG t 3 1 0.12 ICBT-1 8E8 I IS IC IN/A 1: 11/20!I/05: 31 IDA !WM !F 1 ! 32 II 1A2 O ICBT ICBT- 4WP IG t 3 3 0.12 1CBT-1 tus I IS IC N/A 18 st/20tt/058 11 rDA IWM IS t I 12 8E I tat

AGE 2

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IAI O tCPT :CPT-19WP !G 8 2 10.154 :CBT-1 IX: I IS :C lN/A 1: :t/20!!/05; 7.46 30A IWN :S ! : 12 Ix 1 !At 0 :CBT :CPT-20WP lG 1.5 30.145 3CBT-t Ixt I is :C N/A !! II/03:t/23 5.97 :DA IWM IS : :2 :x : :48 0 tCBT :CBT-21WP IG 1 2 10.154 CBT-1 :xt i IS :C tN/A 8: :1/02:t/05! 7.46 :DA !WM S I ! l0 lx : !At 0 :CBT 3CBT-22WP IG 20.75 30.183 ICBT-t txt i IS IC lN/A lt it/03 3/05! 3. 3 IDA IWN IS I ! 12 8x : lAt 0 iCBT ICPT- !wp IG 10.75 30.333 :CPT-1 lxl i 1S !C IN/A 11 21/03t1/05! 7.0 :DA lWM IS ! ! 12 fu : !At 0 ICBT 8CBT-24WP IG l' 2 10.854 ICBT-1 txt : IS IC IN/A !! !!/23:t/23: 7.46 IDA IWM ts i 8 Ix : IAI O ICPT ICPT-25WP IG t 2 10.154 ICBT-1 :xt t :S :C IN/A tI st/0331/25! 7.46 IDA tWM IS ! ! 10 II : lAt O :CBT CBT-26WP G t 2 10.154 !CBT-1 :X! ! :S !C N/A :t !!/23:t/:5! 7.46 :DA lWM lF : : :: : :X IA2 0 ICBT CBT-27WP IG I 2 30.154 ICBT-1 8xt : IS :C lN/A !! 11/03:8/253 7.46 IDA IWM lF : 8 12 3 :n lA2 1 :CC :t-CC-1929 IC : 0.5 10.109 ICC-13 IXIII IC IC 877/05:t :1/08:t/701 2.64 :BM ISM !S !S : it :X : :At 1 ICC ft-CC-1929A IC 0.5 10.109 ICC-13 tulxt !C IC 177/0588 :t/08tt/70: 0.64 IBM :SM 15 IS : Il tu ! IAI 1 ICC tt-CC-1929B IC I 0.5 30.809 tCC-13 Intri IC IC I?7/05tt st/0911/30t 2.64 :PM ISM IS t IS : It tz tat i

t ICC II-CC-1909C IC I 0.5 10.109 BCC-83 tutzt IC IC 277/0588 !!/09:t/30 2.64 IBM tSM IF d IS

31 1 II IA2 1 tCC tt-CC-1929H IC I 2 10.854 CC-13 IItxt IC IC t77/0088 !!/288t/308 7.46 iPM ISM S IS I :8 tz : IAI 1 ICC :1-CC-1970 IC I 0.5 10.109 ICC-13 tutzt IC IC 177/09tt 18/:sts/30 2.64 IPM ISM 1S :S 8 18 tu I Al 1 ICC tt-CC-1930A IC I 0.5 10.109 ICC-13 IMIXI IC IC 177/058: !!/28:t/301 2.64 :BM ISM tr is i It t tz :A2 1 :CC tt-CC-1930B IC I 0.5 10.109 ICC-13 Ix8xt IC IC 177/00: 3 :1/0918/!01 2.64 fBM ISM !F !S I :1 3 in IA2 ICC st-CC-1930C IC I 0.5 10.309 tCC-13 tutut IC IC 477/058: II/28!t/70! 7.64 iPM ISM IF 15 t 3 I tu IA2 1 ICC tt-CC-19?oH IC I 2 10.154 BCC-13 tutut IC 8C 177/00ft 23/2918/301 7.46 IBM ISM t IS is i 18 IX 3At l I ICC t-CC-1966A IC I 2 10.154 ICC-44 tutI IC IC 176/0518 ft/27tt/30! 7.46 IPM ISM IS IS 1 18 tu i 848 1 3CC 11-CC-8966B IC I 2 l0.154 ICC-14 Ix xt IC 8C 376/05!I tt/27tt/20t 7.46 !PM ISM 15 :S t 11 IX ! 1At t ICC It-CC-1967 IC I 2 30.154 ICC-14 IXIX! IC IC 176/058tE/t :----:----!------:----t----t-----:--t--:-- NA t---:------

1 ICC st-CC-196e IC t 2 30.154 ICC-14 :xtxt IC IC 376/05 1 :t/07st/30! 7.46 IPM ISM :S IS : II :n ! IAI 1 CC tt-CC-1977 :C I 2 10.154 ICC-14 8xtz: C IC l76/05t! 11/20:t/30: 7.46 :PM ISM IS IS

lt x ! 3At t ICC it-CC-1978 IC I 2 30.154 ICC-14 Ixtxt !C IC 376/05 tE/t 1----:----t------t----t----:-----:--t--:--tNA 1---:------

1 :CC 1-CC-1979 :C t 2 10.154 !CC-14 tu:xt IC IC 876/051: !!/20:1/30: 7.46 BM ISM IS :S 1 :1 ix !At 1 tCC 11-CC-1990 IC 2 10.154 !CC-14 tutzt 1C :C :76/05:I !!/OBtt/?o 7.46 :PM ISM 15 t ;At t :CC st-CC-1991 :S : !! :X IC t 2 10.154 ICC-14 tutxt *C :C 176/058 11/09:t/302 7.46 fBM ISM :S :S I !! :x : lAt 1 ICC tt-CC-2065A IC I 2 10.154 ICC-15 Ix8x! IC :C 176/0488 tt/07tt/!n! 7.46 :PM ISN IS S : it IX ! tat t :CC ti-CC-2065B IC t 2 10.154 CC-15 tutzt IC IC 376/0488 ft/07tt/?O: 7.46 :PM ISM is IS : !! :I

At 1 ICC st-CC-2066 IC 1 2 10.154 CC-15 Intxt C :C 276/0588 11/27:8/201 7.46 :PM ISM 15 IS
18 II I IAI 1 ICC tt-CC-2091 tC 8 2 80.154 ICC-15 ButXI IC IC 176/048! 11/20!!/?0: 7.46 fBM ISM tS IS I II in ! AI 1 BCC tt-CC-2092 IC I 2 10.154 ICC-15 lxixt IC IC !76/05::E/t t----:--- *------:----!----t-- --t--l-- --!NA 1---:------

1 ICC lt-CC-2093 IC t 2 10.154 CC-15 lxixt IC IC I76/05:t 81/28:1/30: 7.46 iPM ISM IS IS 18 lx i IAI PAGE 3

O -96 OR IG1NAL INSPECT ION

SUMMARY

1: RE- INSPECT ION SUMNARY IN D E! !! l-----I IINITL!! i l996 81996 t LN IN I I I NDE I I ITV48 SIZE ITHICK ! IVIPIN I s ! RESULT IFINAL

                                                                             !!NSPTil        !RE- l R CVD ! WELD 4 8 t E X AM l WEL D I ----------- !    :-------8RESO-UNTtsv5

WELD NUMPER ICLS8flNI ItINI IWLD NAPtitTITIMATLtORG:vv/MMtINOTES ftNSPIDE 8INSFECIBV IMETLIVT

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IC I 2 10.154 ICC-16 IN3*! IC IC 376/05!! 1 :CC !!-CC-2126 tC 8 !!/27:l/208 7.46 TEM ISM IS :D : II ; ts IA2 2 80.I54 ICC-16 IE!X1 :C IC 376/04tt !!/0781/20 7.46 !&M ISM IS 1 ICC 31-CC-2147 1C 1 2 to.154 tCC-16 iu ! lI : tr IA2 IXIMI IC IC 176/04ti !!/20:t/70: 7.46 iPM !SM IS :S : it :X 2 !At t :CC tt-CC-2149 IC 8 2 30.154 !CC-16 IXtrl !C !C 376/058tE/t 1 8CC 11-CC-2149 IC t t----:----:------:----t----t-----:--!--!--INA :---$------ 2 10.154 ICC-16 IMIX! IC ?C 276/05tl II/20ft/20! 7.46 :BM ISM :S :S 8 ft tr 1A 1 tCC st-CC-2150 IC I 2 10.154 ICC-16 tulXt IC IC 176/0588 1 iCC Il-CC-2151 11/20lt/70: 7.46 IBM tSM !S S 3 Il II ! 'lAs IC 1 2 80.154 BCC-16 fMtXI 8C 3C 176/05 1 11/20!!/!O 7.46 IPN ISM 85 IS I !! 12 t IAt 1 ICC tt-CCF- 15A IC IN/A IN/A IA-7866 fM8 IXtC IC 375/1288 4 !!/20:!/30! 11 !LW ISM IPCFHNl !U 22 i !K 8A6 1 ICC 81-CCF- 15C IC i 18 10.375 *A-7866 IXI IX:C C 370/00!! II/29:t/!O356.55 ILW ISM lF ! IU 32 : IN lAO I ICC tt-CCF- 16 !C I le 30.375 14-7166 IXt IXIC IC 375/04tIA/2E/5!----:----:------ ----t----i-----:--:--!--tNA I---l------ 1 ICC 51-CCF- 26 1C I 10 10.375 IA-7866 IX8 II!C IC 376/32!! II/08! /TO;56.55 ILW !SM IEF 1 :CC :1-CCF- 29 IU f2 : IX IA5 IC 3 le 30.375 2A-7166 !** IX:C IC :75/05: 1 !!/20tt/30:56.55 !LW ISM IF ! IS !O : tE tA2 1 1 ICC ICC tt-CCF- 55 IC I 18 10.375 IA-7167 INI IMIC IC 275/048tE/5 t----!----!----~~t----!----!-----:--:--:--!NA t---!------ 81-CCF 55A IC IN/A IN/A IA-7167 INIXl 3C IC 375/12!!E/386 l----t----t------l----l----t-- --!--!--:--INA I--- ------ 1 tCC tt-CCF- 56 1C I 18 10.375 IA-7867 INI IEtC IC 174/0981 1 ICC ft/24tt/20!S6.55 169 ISM IEF t IS 12 : II IAS

              !!-CCF-  57    BC   I    10 10.375 IA-7167 IX! IK!C     TC 174/093!            11/20!!/30156.55 IBM !SM IBF                      IU l2 I         II    lA2 1   ICC    tt-CCF-  58    IC  I     le 80.375 IA-7167 IXl IXIC     IC r75/Ott!

1 tCC 31-CCF- 60 It/2081/!O:56.55 IBM ISM lFLN 8 !U $2 8 lI lA2 IC l 16 10.375 IA-7167 IMI IIIC IC 175/122! II/20!!/3050.27 IBM !SM FLN

lS 82 ! II IA2 1 *CC lt-CCF- 71 IC 8 20 10.375 IA-7167 *** IIIC IC 175/05: 1 1 :CC 31/20:1/!Oto2.03 IBM ISM toL"N I :U 82 3 :X IAS 81-CCF- 744 IC IN/A IN/A IA-7167 IX8 tkIC IC I76/07l:E/587 t----:----!------:----t----t-----l--:--!--!NA t---t------

1 1CC 11-CCF-117 IC 8 18 80.375 IA-7169 IXt lxtC IC 174/1211 1 :CC lt-CCF-1228 IC IN/A IN/A II/28:1/!Ot36.55LW ISM IS tu :2 : tz :A2 ICC 31-CCF-322C BA-7166 IX8 IXIC IC 375/tt!!A/211988/2088/?Of II ILW ISM IBCDFHI 45 82 : tr IA6 IC I 18 10.375 IA-7166 IX tutC IC 177/048tC/15 I----t----!------t----l----:-----r--s--:--tNA 8---t-- --- 1 ICC 11-CCF-122D IC I 18 10.375 IA-7166 I I IC IC INR ltC/16 8----l----t------!=--*8----l-~~~-t--I--l--INA t---l------ 1 BCC it-CCF-122E IC 8 18 10.375 IA-7866 8 I t IC IC INR IIE/16 1 ICC lt-CCF-122F IC I 8----l-~~-t------t----l--==I-----l--l--t--INA t===I------ 18 10.375 1A-7166 8 I I IC IC INR ltC/16 t----t----!------l----l---- -----l--t--t--tNA t---t------ 1 tCC 11-CCF-125 IC I 19 10.375 8A-7869 IX8 8x8C IC 175/05 3 ft/24 1/!O!:6.55 IRB ISM IS I iS 82 ft 1 3CC it-CCF-136 BC i 8 IAS 18 10.375 8A-7169 INI II!C l' 875/Otif !!/20t!/30156.55 !L4 ISM IEF I IS 12 t In lA5 1 ICC 11-CCF-143A IC IN/A IN/A IA-7166 IXl IIIC IC 375/111IE/15 t----!----l------t----l----t-----t--l--l--INA t---l------ 1 tCC ll-CCF-145 IC 4 18 10.375 IA-7169 tut IIIC IC 175/0118 1 tCC tt-CCF-197 IC I

                                                                                            !!/20!!/30!56.35 ILW ISM IE                 t IS 32 i             tr IA3 4 10.237 IA-7170 III IIIC    IC 175/0388            11/2811/30 14.14 IBM ISM INN               1      IS 12 I         IX    IA5 1 tCC       11-CCF-199     BC   I      4 10.237 IA-7170 III IIIC    tC B75/0388            88/2088/30814.34 lbM IBM IN                I 1 BCC      81-CCF-2OO     IC                                                                                                                is 12 8         ft    3A2 1

4 30.237 IA-7170 INI lusC IC 374/ Olla:sE471----l----t------l----l----l-----l--l--8--tNA t---l------ 1 !CC tl-CCF-2OI IC I 4 10.237 IA-7170 8MI IRtC 8C 175/03tIA/2 2 8CC 32-CCF- 67 11/2981/30!!4.84 :LW ISM 1DF t IS 32 I fx 1A2 tC 3 4 10.237 IA-7426 IXt IIIC IC 175/0618 1/27:t/20:14.14 IPM ISM IF I IS 12 I 2 !CC 12-CCF- 68 IC 8 $E !A2 4 10.237 IA-7426 IEI IIIC IC 175/06:1 21/24:t/20:14.14 IBM ISM IGN t IU 13 I TX IAS 2 tCC 32-CCF- 79 iC I 4 10.237 1A-7426 IM8 IX!C IC 375/063t 2 iCC !!/27tt/29:14.14 2PM ISM tF ! IS 32 3 IX IA2 32-CCF- 80 BC I 4 10.237 IA-7426 IX3 IXIC IC 175/06tl II/2481/20!!4.14 IBM ISM l bFN ! IS 83 ! II 8A2 2 tCC 82-CCF- 82 IC t 4 80.237 IA-7426 III *N:C IC 175/0688 !!/27tt/08:14.14 IBM ISM IM 4 IS 12 IN !A 2 3CC 32-CCF- 83A IC 3 4 10.237 IA-7426 III tric IC 175/06ft 2 :CC 22-CCF- Gert IC I !!/27:l/30:34.14 t&M ISM !S : IS 32 :r i 1At 4 30.237 IA-7426 III tr:C !C 375/06:3 !!/27:t/29:14.14 IBM ISM :FMN ! IU 82 ! SI !AIO 2 :CC 42-CCF- 85 IC 3 4 80.237 IA-7426 IN! IKIC IC 175/06tt 81/2711/20:14.14 tBM tSM tLM t 1S 12 I tt 1A5 0

CVCS I O-CV-274 4 ID 2 10.154 tCVCS-23tulut IS 3C 275/1088 *t/2331/25 7.46 IDA INM 15 :S 12 ft 8 1At O :CVCSIO-CV-2745 ID i 2 10.154 ICVCS-23138vt IS 1C 375/108I II/23tt/25! 7.46 fDA tWM ts tS 42 t u a tat O 1CVCSTO-CV-2746 ID 8 2 80.154 BCVCS-23tMINI 35 IC :75/09 3 !!/23 1/23 7.46 !DA twM 15 is t 22 la :At O ICVCS:0-CV-2747 ID 1 2 10.154 ICVCS-23tusut IS IC 175/0918 81/238t/25; 7.46 IDA !WM tF S ! !O : II tA2 O ICVCSIO-CV-2749 ID I 2 10.154 ICVCS-23tX8Mt IS IC 175/0918 !!/238t/23 7.46 IDA IWM 15 IS t 12 1 x t IAt O BEA IO-EA- 319A IC 3 2 10.154 IEA-B 8MIXl 8S IC 177/00ftE/3 1----s----l------l- I- -l-- --l--*--l--tNA t---l------

P Ae + 4

( ( -8A OR 1G1NAL 1NSPECT 1ON

SUMMARY

tt 13 tt RE- 3 NSPECT 1ON SUM NAk V DN D Et tt 1-----! IINITLII ITVAISIZE ITHICE tVIPtM1 8198611986fLN IN I i i N OE t I F E SUL T IFINAL UNTISYS INELD NUM&ER ICLSittNt titN)

ttNSPT82

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O IEA IC t177/088tE/3

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                 !O-EA- 32txt C I to-EA- 322        IC I 2 10.154 IEA-8       438X1 IS         #C 479/02t!                   1----t----t------l----l----l-----l--t--t--INA
                                                                                                                 !!/20!!/24f 7.46 IRB !NN !$

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                                   !C 8      2 20.154 IEA-8       tutat   IS                                     81/20i8/248 7.46 IRP INN IS                       IS 8     31 II                 IAt IC 177/oSttE/3 1----l----!------l----l----r-----t--t--l--!NA t

t(*EA- 72!A IC 3 2 30.854 IEA-8 tktxt IS t---t------ O LEA IO-EA- 3239 IC 8 IC 377/181 O SEA 2 10.154 IEA-8 tutut IS it/19tt/248 7.46 1RB 8NN IS IS ! !! Is IAt O LEA IO-EA- 724 to-EA- 325 IC I tC 1 2 80.154 8EA-8 tutzt *S IC 177/ttttE/3

                                                                                   !C 277/08tt                  t----l----!------l----!----!-----l--*--t--INA 8t/1988/24% 7.46 tRP INN IS 3---l------

O !EA 2 to.154 IEA-8 8xtti (S IC 877/08t! IS I 13 is IAt O IEA to-EA- 326 IC 1 2 10.154 IEA-8 tutNa IS tt/19tt/241 7.46 tRB INN IS lS 4 la IN

                                                                                                                                                                                          *      !At to-EA- 327        3C I       2 30.354 *EA-8      1xtri   IS IC 377/07tt                  !!/1911/248 7.46 tRB             INN ts           IS

It is !

O IEA to-EA- 328 IC 3 IC (77/071 !!/19tt/23 7.46 1RB IA: O *EA 20-EA- 329 2 IO.154 IEA-8 IKlut tS 3C 177/081 fNM 8F !S t !! t *E 1A2 0 1EA to-EA- 370 IC 1 2 30.154 8EA-8 tritt IS IC 177/0823 !!/1981/28' 7.46 3RD INM IS IS : 18 tt ! IAt O IEA

                                  !C I      2 20.154 IEA-8       tutut   IS        IC 177/07tt 33/t9tt/238 7.46 *RB             INN    IF        IS ?     18 3           in IA2 IO-EA- 331         3C 1      2 10.154 IEA-8                                                      II/1988/241 7.46 1RP             INN    IS        IS :

O IEA 30-EA- 332 tutut IS (C 177/07ttE/3 !! tv IAt O TEA to-EA- 333 IC 2 IC I 2 10.154 IEA-8 IN8MI IS IC t77/08ttE/3 1----t----!------r----*----8-----!--!--*--INA 2----t---- ------r---- t-~~t*----- O TEA to-EA- 034 2 80.154 IEA-8 2 Mixt is IC 877/07tt ----!-----t--t--*--tNA 3--***----- O IEA iC 3 2 10.154 IEA-8 tutXI 'S 3C 377/08t!E/3 !!/1981/241 7.46 1RB INM IS *S * !! IX !At

               !O-EA- 335         tC t      2 10.154 3EA-8      tutzt 8,                                       t----l----t-           --l----t----I            -*--l-- -- NA              1---!------

O SEA to-EA- 376 IC I IC 377/0888 !!/1988/23 7.46 !RB *NM IF 0 1EA 2 10.154 IEA-8 tEtxt IS SC 177/0812 *S t tt I- tE 1A2 to-EA- 337Et IC I 2 10.154 IEA-8 tutWT iS IC 278/0231 !!/1988/033 7.46 IRB INN IF 15 i ft i tu 1A2 O IEA tO-EA- ?!8 3C ! ft/19tt/241 7.46 1RD INN IS 0 TEA 80-EA- 339 2 80.154 IEA-8 tutut 35 IC 577/08tt IS !! IX t *At 3C I 2 10.154 IEA-8 tusal tS 81/1911/232 7.46 tRB INM IF IS f O IEA t o-EA- 340 tC t 2 10.154 *EA-8 tutzt IS IC 377/08t E/3 t----

                                                                                                                         ----*------l----*----*-----t--*--!--*NA It !          II     2A2 O   TEA                                                                         IC    177/078               II/19tt/24 7.46 tRO INM IS                                                3---t------

O IEA to-EA- 340A IC

0.5 40.109 IEA-8 tutzt IS IS I it *I !

0 IEA to-EA- 7409 IC 0. 5 30.109 IEA-8 tutut 15 IC 377/ttti 88/1988/24! 2.64 tRB INN IS tS 51 tz IAI 3At iC 177/11:3 O LEA IO-EA- 340D IC 8CI* 0.5 to.109 IEA-8 tuttt IS SC 177/1t** !!/19 t/24r 2.64 sRe inn 15 25 t it tz ! 343 O TEA to-EA- 742 80-EA- 343 2 20.154 IEA-8 tutut IS SC 177/08 TIE /3 !!/1988/248 2.64 IRB INN IS' IS t 11 IX t lAt O 8EA IO-EA- 344 IC I 4C t 2 80.154 IEA-8 2 10.354 IEA-B 8x8E8 IS #C 177/0818 1----l----l------8----l----l-----l--8--t--tNA (1/1981/248 7.46 1R9 INN IS IS 8 3---8------ O TEA to-EA- 345 IIINI IS IC 577/088 ft IN 1At O IEA IC I 2 10.354 SEA-8 IttXr !S 3C 177/098i 11/1911/241 7.46 IRB INM IS IS

18 is I 1AI O TEA to-EA- 346 IC 8 2 30.154 IEA-8 tutXI 15 IC 177/0833 st/39tt/231 7.46 tRB !NN IF 1S it t er IA2 O IEA IO-EA- 347 4C I 30.154 1EA-8 trist IS 13/198t/248 7.46 tRB tNM 88 IS
st ta 1 IO-EA- 048 IC i 2 10.154 IEA-8 1stut is IC 877/08tlE/3 3----8----l------*----l---- -----t--t--t--!NA t--=t------

fat O IEA IO-EA- 349 IC I 2 30.154 IEA-8 Intri IS tC 177/08ttE/3 t----!----!------t---- ----l-----l--r--l--INA t---t------ O IEA to-EA- 750 SC I IC 177/088 ft/195t/241 7.46 tRB INM IS O TEA 2 30.154 IEA-8 futrl IS IC 377/121: t$ 8 !! *N I 148 0 IEA to-EA- 351 SC t 2 30.154 *EA-8 tutXI IS IC 877/12tt 81/t*l1/231 7.46 1RB INM IF iS It i II IA2 O *EA to-EA- 352 SC I 2 80.154 IEA-8 8M158 IS 8C 177/088f 11/1981/248 7.46 IRB INM IS IS 8 ?! IN I 148 80-EA- 353 IC t 2 30.154 IEA-8 II/19tt/248 7.46 IR9 INM IS IS 1 O IEA to-EA- 254 IC t 2 10.154 SEA-8 tutut IS 3C 177/088 II/1988/238 7.46 IRB INM IF Il SE 8 1At O SEA IElkt IS 8S t it ! ** CA IO-EA- 355 IC t 2 80.154 *EA-8 IC 377/07tlE/t 1----!----t------r----l----l-----*--r--!--INA O LEA to-EA- 256 BC I 2 10.354 IEA-8

                                                              *Etrl IS          IC 177/075 tE/t              t----!----t------l----t----l-----t--8--!--INA                           t---t------

O ICA to-EA- 357 Issut IS IC 477/68ttE/t t---t------ IC 3 2 10.154 IEA-8 futXI IS 2----t----t------t---- ----l-----l--t--t--tNA t-~~t------ O TEA to-EA- 258 IC t *C 177/071tE/t O IEA 2 10.154 IEA-8 2xixt ts *C 377/07tt 1----3----t------l----t---- -----!--r--*--INA t--- ------ IO-EA- 359 3C I 2 10.854 IEA-8 IItzt IS 11/1988/241 7.46 tRP 3NN IS is ! It Is ! 2At O !EA !O-EA- 760 4C I 2 10.154 IEA-8 !C 377/07 TIE /I t----l----!------I t----t-----l--t-- --INA t---l------ 0 !EA IO-EA- 361 tutut IS IC 377/088tE/t tC t i 10.133 IEA-B twtxt IS 1----*----t------l----l----l-----l-- --l--!NA 3--- ------ O IEA to-EA- 362 IC 3 IC 377/08t!E/t O IEA IO-EA- 363 2 10.154 IEA-8 IntXI IS IC 377/0738

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2 10.154 IEA-B X:xt IS :C 77/07:: !!/1911/24 7.46 :60 INN S 15 : it it : At O :EA IO-EA- 369XI IC i 2 10.154 !EA-8 IX:XI 1S *C :78/06:t !!/19:t/24: 7.46 FD INN is :S : :t it ! IAI O :EA :O-EA- 370 !C ! 2 10.154 EA-8 IItu! :S tC 77/07:tE/3 3----:--- *------:----l----:----- --:--:--:NA ---:------

0 EA 0-EA- 371 IC i 2 10.154 IEA-8 IX:xt 1S IC 177/07ttE/3 1----:----:------l----:----!-----!--:--l--:NA I---:------ O :EA :0-EA- 372 IC t 2 10.154 IEA-B txtu: :S TC :77/n7!: !!/20:t/2!! 7.46 RP tNM :H S I :t ' 18 :A7 0 !EA :0-EA- 373 tC 1 2 10.354 !EA-B IXtut IS IC 177/07 : !!/20 t/23: 7.46 AB INM :H 1S : a! : : A3 0 IEA 10-EA- 374 C ! 2 30.154 IEA-8 xtxt :S tC 177/07:: :1/20!!/24: 7.46 IRB NM 15 IS : :t : N : lAt O :EA 10-EA- 375 IC i 2 30.154 :EA-8 *E:X: 45 :C :77/07:: 11/20:t/24: 7.46 lEP lNM :S IS : it :r

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( -96 OR IGINAL 1NSPECT ION SUMM AR Y t! RE- I NSPECT ION 5UM M A & V 18

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                                                                                       *N                    804/1888      11  31/23:3/24 5.97 :DA m: bet !S                              S  !     12 I I     :            IAI 0 I E RCW 10-ER-19920 #C i 1.5 80.145 IERCW-97tEtXI IS                                                                                                                                                            At O :ERCW10-ER-199204 IC I 0.5 30.109 IERCW-07tutxt IS                    IN 884/11 8                        11  11/2133/24: 2.64 IDA !WM 15                              IS : 12 II IN 194/118:                         33  ft/2ttt/24r 2.64 IDA                    WM     IS        :S 3       :2 8x      8            :43 0 ERCW:0-ER-199009 IC 1 0.5 10.309 IERCW-87tutxt IS                                                                                                                                      !I   :                  At 0 ERCW:0-ER-19900C 3C I 0.5 10.109 IEECW-87:r:xt IS                    IN 194/1181                         11   lI/2111/24: 2.64 IDA IWM !S                             !E t                                                  f-tN :04/111:                         11  tt/21st/04: 2.64 :DA tWM iS                              :S : :S :             :           :AI 0 *ERCWto-ER-199200 IC 1 0.5 80.109 IEECW-07tutut 1S                                                                                                                    IS t      12 lI                    !At O IEECWIO-ER-19920E IC I 0.5 10.809 IEECW-07tEIRI IS                   IN 804/1118                         11  11/23:t/24: 2.64 !DA IWM 25                                                    1 Il  11/21!1/241 2.64 tDA IWM IS                              35 .       12 :s      t            IA8 0 tERCWlo-ER-19920F IC t 0.5 10.109 IERCW-87tstar IS                   IN                    :04/1181 IS 3       :     BI-                IAI 0 *EECW:0-ER-1992vG *C       3 0.5 10.809 IEECW-87!stEl IS              IN                   894/188'      11   18/03:t/24: 2.64 IDA !WM 15                                                   8 IN                   804/11 8       11   81/0181/24: 2.64 3DA :WN IS                             35 : :2 :                          :A1 O IEECW:0-ER-19920H IC I 0.5 10.109 IERCW-87tutut IS                                                                                                                      S t      : :E !                   lAt 0 *EECW:0-ER-19921 tC 8 1.5 10.145 :ERCW-87tutzt iS                    IN                   884/It!!       11   !!/2181/248 5.97 2DA !WM iS 13   11/21:1/04: 5.97 IDA IWM !F                             :S I           2      IN            !A2 0 :ERCW:0-ER-19922 :C I 1.5 80.145 *ERCW-97titX8 IS                    IN                   304/1888
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0 :EECWto-ER-39949 3C I 2 10.154 *ERCW-87:EtX! !S IN 18 4 / 0 7 ! : E / t t t t t ---- : ---- l - ----- ! --- ! ---- : ----- t - - : -- t -- t NA : ---l------ 2 80.154 IERCW-87tNtul 3D IN 884/11:8 20t!!!!/20 t/241 7.46 :DA IWM IS iS : 82 II !At f 0 IERCW:0-ER-19948A IC 8 IS ! 32 f u t 1A8 I 0 *EECWto-ER-19949 8C 81.25 ITHMWLDIERCW-87tstus IS IN :e4/ttet it 11/23:t/248 5.22 IDA IWM IS O IERCWlo-ER-19950 IC t 2 80.154 IEECW-975E8E8 IS IN 194/071 IE/teatt----!----l------l----2----l-----t--I--l--!NA t---l------ 0 ERCW:0-ER-19951 tC 1 2 40.154 IERCW-87talW8 45 IN 8 0 4 /07 8 t E / 8 s i l l ---- l --- - ! ------ t ---- l ---- : -- --- l - t -- * - - 3 NA t---l------ IA 11 11/20!!/24: 7.46 :DA 8WM 25 :S t :: :: 0 :ERCWIO-ER-39952 IC i 2 10.154 8ERCW-07tatXI IS IN 194/0788

                                                                                                                                                                                        !S         82 II                    let 0 :ERCW:0-ER-199529 tC ! 0.5 10.309 IERCW-97tE!XI IS                    !N                  184/11%!       II 11/2111/24: 2.64 :DA tWM !S 0 IEECWto-ER-19952C IC 8 0.5 10.109 IERCW-97tXIXt IS                    IN                  194/1111       11 11/21:t/24! 2.64 IDA 8WM IS                                (S : i: !N $                       IA) 11 !!/23:t/24 2.64 IDA !WM IS                                :S : :: !K            t             lAt O !ERCW 0-ER-19952D 3C 1 0.5 10.109 IEECW-87 stXt IS                    IN                  194/1111 04/111!      11 ft/23tt/241 2.64 :DA IWM IS                                IS t      :2 tn 8                   tat 0 :EECWlo-ER-19952E IC 8 0.5 30.109 !ERCW-87txtX :S                     IN

S : 83 8 1N IA2 0 ;ERCWIO-ER-19933 BC t 2 80.854 !ERCW-87txtXI IS :N 04/11!I 11 :t/21 t/24: 7.46 :DA IWM !F 0 :EECWto-ER-39954 !C i 2 30.154 IERCW-87tXIE! IS IN 194/07t!E/Ists:----l----:------t----l----:-----:--:--:--:NA

                                                                                                                                                                       ----8-----:          -l--t--:NA 8---!------

0 1EECWto-ER-19955 IC I 2 10.854 IERCW-978ttEt IS IN 804/07tlEttt!!:- --!----!------I---- 0 !ERCWSO-ER-89956 IC t 2 10.154 IEECW-07tEtW3 IS IN 194/OO!!E/Is183-~~-t--~~t------l ---t----:-----:--:--t--:NA 1---:------ 11 !!/28tt/24: 7.46 IDA tWM !S IS 8 12 BE I 843 l 0 TERCW10-ER-19957 BC t 2 10.154 IERCW-878 tart IS 8N 884/188: IWM F !S t : : !E !A2 l 0 IEECW:0-ER-19958 IC i 2 10.154 *ERCW-07tNIXt IS IN 384/18!! 11 !!/28!!/24: 7.46 IDA IN 304/1118 11 18/0181/24: 7.46 :DA IWM *F 85 3 12 i tr iA2 l 0 IEECW10-ER-49959 IC I 2 80.154 IERCW-97ta:I: IS 11/2231/25: 2.64 159 INM :S IS 8 it II : IA 0 ISEN to-SE-5023 IC 8 0.5 10.147 ISEN-testutzt IS IC 70/0315

                                                                                                                                                                                                               !             1At 3C                  378/03:t            11/22!!/23 2.64 IRB INM IS                               IS !      it IX 0 8SEN IO-SE-5024       IC I 0.5 10.147 ISEN-345tstXI IS FAGE to

    . - - . ~ ~ ~ ~ - . - . - -                      n       - - - - - - - . + . + _ - - - . ~ --                     - - - -         ----                 . - . - ~ -           _ .      - . . .          -        - ,--.          ~_.

j OO- 6 i h OR 1GtNAL tNSPECT ION

SUMMARY

j

                                                                                                                                 !!         RE-1 NSPECT ION                          SUM M AR V t                                                                                                                                 II
!                                                                                                 lN D Et                        it t-----t              itNETLit             it90611986tLN IN I           !

, I I ITVA! SIZE ITHICK I IVIPIMt t I NDE ! : k ES UL T : FINAL

                                                                                                                       !!NSPTil             :RE- 1RCVDiWELDee!EXANiWELD:-----------:

j 3-------:RESO-4 UNTtSYS

                              ---:----:      ! WELD NUMBER
                                                     --t---!=- ICLS!(INI                 ItsNS IWLD MAPIT
                                                                          -t------t-------:-t-          -:---- tit T tMATL tORGlVV/MMt tNOTES 1 !NSPiDE t!NSFECIPY                                          iMETLIVT

F 7:MTIJE1ACCINO!!LUTIDN 0 ISEN to-SE-5025 IC : 0.5 30.347 ISEN-345txtst IS ---t-----It------t----*----t------t----l----!-----t--t--2-- ---t---:------

IC 178/63!! 0 ISEN !0-SE-5026 !C ! 0.5 10.147 ISEN-345 XtRt (S IC 578/03t! 88/22:t/258 2.64 36B INM :S 8S I 18 II 1At i 4 0 ISEN 80-SE-5027X1 :C 3 0.5 10.147 ISEN-1453rtXI IS 11/2271/253 2.64 1RB INN IS IS !! TN ! !At { 0 ISEN l0-SE-5306 *C 8 0.5 30.147 ISEN-tS6tatWt IS lC 370/07ttE/5 t----!----l------ ----r----l-----t--:--!--:bA 3---l------ G ISEN IO-SE-5307 IC 179/0318E/t 1----t----r- ----;----t----r----- 0 ISEN IO-SE-53074 3C IC 8 0.5 30.147 ISEN-156tutut tS LC 179/03ttE/1

                                                                                                                                                                                              --t--!--INA t----I----t------l----l----t-----*--:--l--INA 3---l------

t---I------ 0.5 80.347 O ISEN to-SE-53079 BC 8 0.5 10.147 ISEN-156tutXt IS ISEN-156tEIXt IS (C 378/0381 II/22!I/258 2.64 IRB INN IS IS I II II I !At 0 ISEN 20-SE-5309 IC 178/03ttE/3 1----I----:------*----l----l-----t--t--:--!NA t---*------

                                                         !C    t 0.5    30.147 0 ISEN to-SE-53004 !C t 0.5 10.147 ISEN-1563rtz3 IS ISEN-156    xixt  IS    IC 170/0311                 11/02:1/25! 2.64 1RD           NM IS           IS IC 370/03:t 28 ft        !      At         i O lSEN 10-SE-53069 IC ! 0.5 10.147 ISEN-tS6tX!X* *S                            3C   170/0311

1/22lI/25: 2.64 thP NM !S iS :s is ! tat '

0 :SEN IO-SE-5323 :t/22:t/23 2.64 IRB INM IS IS : :: r O ISEN to-SE-5324 !C I 0.5 30.147 ISEN-156tI!Xt tS IC 370/0!!!E/t t----t----*------!----!----t-----:--:--!--:NA tat 0 :SEN IO-SE-5325 IC 8 0.5 10.847 iSEN-156tutut IS 3C 178/0!!!E/t 2----f----:------r----!----!-----t--:--l--INA t---!------ , j o :SEN l0-SE-5325A 3C IC t 0.5 20.447 ISEN-156t1tXI 1S SC 179/n!!!E/1 4----:----l------ ----:----t-----l--!--i--tNA t---:------ [ o ISEN 30-SE-53259 IC !I0.5 0.5 30.147 ISEN-156tutzt IS !C 179/0!!!E/l t---:------ t ! t0.147 ISENatS6tNtEl tS O ISEN 10-SE-5325C IC t 0.5 !0.147 ISEN-156tXIXt IS SC 178/n3 TIE /t t----l----i---~~~!----r----t-----!--:--l--INA I----!----l------t----l-~~~!- ---!--l--!--INA

                                                                                                                                                                                                                      !==-l------

IC 179/0111 I---i------ l 0 ISEN ISENto-SE-3325C to-SE-5325D IC I 0.? LO.049 ISEN-856tEtNI IS IC 879/Otti II/22 1/258 2.64 IRB INM is !S i It IX ! IAI 4 0 11/20!!/251 2.64 169 !NM IS 0 ISEN IO-SE-5325F IC I o. 5 10.147 ISEN-156tutzt IS ($ : !! II 1 1A1 IC 179/ollt 31/22:t/258 2.64 tEB !NM iS O :SEN 10-SE-5326 IC 3 0.5 10.147 ISEN-156tztxt IS tC 179/01 1 :t/22:t/252 2.64 16B INM lS IS ! :1 :n ! tat 2:HV 32-HV- 1 IC f 0.5 30.147 ISEN-t:6tzts: IS IC 178/0388E/t IS . I----:----l------t----!----l-----:--:--t--:NA :---:------ Il IX 3 IAt IQ t 24 0,037 IS* ETCH I 1 1 IC IC INA 2:HV 12-HV- 2 IQ ! 24 30.037 IStETCH I t t IC 3C INA ttHv/84 II/2n: 1/253 75.4 IHSWE!SM iS I : 12 tu i !At

)                             2 tHV 82-HV- 3 IQ t 24 10.037 IS* ETCH 1 l 1 1C                       3C INA           I!HV/84 !!/2088/258 75.4 1HSWEISM IS                     I           !    (2 15      t       !At         !

2 8HV 82-HV- 4 tQ t 24 10.037 ISVETCH I I I IC 2C INA IIHV/84 tt/2nt1/25: 75.4 fHSWEISM fS f 1 22 tu i IAt i 2 THV 12-HV- 5 IQ t 24 10.037 ISFETCH ! I I IC 3C !NA !!HV/14 81/20:1/251 75.4 lHSwE!SM IS I i 12 lx 3 IAI ' 2 IHV 12-HV- 6 IQ t 24 10.037 (SKETCH I 1 IC NA

                                                                                                                               !!HV/14 II/20ft/258 75.4           HSWE!SN :P           :           f    12 :        tX     1A4
\                             2 IHV 22-HV- 7 IQ t 24 10.037 ISKETCH 1 1 I IC 2C IC !NA stHV/te it/20tte25: 75.4            HSWE!SM IP           !

l2
II lA4

} 2 IHV 12-HV- 9 IQ t 24 80.037 IS> ETCH I I t IC 2C INA

!HV/14 !!/20!s/258 75.4 IRSwE:SM IP I . 32 I II *A4

] 2 tHv 12-Hv-

10 t 24 80.037 ISkETCH t 1 1 IC 3C INA !!HV/14 31/20:t/25: 75.4 IHSWE!SM is 1 : 12 tr tat ;

j 2 !HV 22-HV-10 IQ I t'24 10.037 IS* ETCH t t t tC IC INA ItHv/14 31/20!!/258 75.4 IHSWEISM :P I i :2 : tz 1A4 stHV/14 II/20tt/258 75.4 INSWEISM IP 4 2 IHV 82-HV-II l 2 INV 82-HV-82 IQ 24 10.037 IS> ETCH I I I IC IC INA stHV/84 e1/20ts/253 75.4 IHSWEISM 1 I? : IX IA4 [ 2 INV 42-HV-17 4Q 1 2e to.037 ISmETCH t t t IC IC INA 3IHV/14 11/2083/258 75.4 1HSWE85M IP t I 12 L tu lA4 ' 1 2 IHV 82-HV-14 IQ l 24 90.037 IS> ETCH 8 I I IC IQ t 8C lNA ttHV/14 11/20st/25! 75.4 1HSWEISM IP IF I : 82 I tu 144 2 INV 82-HV-15 30 t to 10.037 ISkETCH I i 1 IC IC INA stHV/14 IS/20ft/25! 38.4 IHSWEISM IS t t 12 8 85 1A4 I j to 10.037 ISKETCH I 1 1 IC IC INA I : ;; In i 1A3 [ stHV/34 ft/20:t/25! 33.4 !HSWEISM IS *

I2 ix ! IA: i i

l I l 4 < 1 ! < L A 1 r i i N s { *Me it C I i I 4 l

~_

    . . . . .. - - -                  - .     . . - . . _ __ . . - . . - _ . - . =                                                                              .             _ - - . . - .           . - . - . - _ _ _ . - . -      -

r i i j a i 4 l l l 4 TABLE 4.3 j r i 1 ( i r Table 4.3 is a compilation of the reinspection data by structure type showing the total number of each type structure included in the I reinspection effort. The table also shows the inches of weld reinspected ,

                                                                                                                                                                                                .. /                                      :

for each type structure and the basis of acceptability of the weld. l I

l t t i 1 r i ! a y k i j ] i, ' I j ' i ! t

4 i a f , l, - e

.                                                                                                                                                                                                                      L 3

r l l 4

, 096098.01 1 ,

s I a I

                 ,-.-.--.,---.~,.--,,s..~~.             - . - - . . _ . . . ~ - . . , . _ - _ , - . - . . - - , _ , , , , . _ - , , , . - , , . . -,....,,, ,,-,,,,.,, ,, -,-...- - ,., n                                         ..,m-.

m .. .. .. . __ _ _. . s ^ TABLE 4 .-3 RE I NSPECT I ON

SUMMARY

F0R STRUCTURAL WELD ING SEQUOYAH NUCLEAR PLANT

: : : INCHES OF : :

: : INCHES OF : WELD WITH l INCHES OF:

TYPE OF : NUMBER ! INCHES OF : WELD REPORTABLE : WELD l INCHES OF STRUCTURE l REINSPECTED: WELD : ACCEPTABLE l INDICATIONS!REOUIRING ACCEPTABLE

: REINSPECTED lBY REINSPECT: ACCEPTABLE : REWORK : WELD

: : : BY ENG : :

                    !              :                     :                         EVALUATION :

____________________:___________g___________:____________:___________:_________:----------__ - PIPE SUPPORT i 33 . s550 * '981 569 : O : 3550 CONDUIT SUPPORT : 3 l 1691.5 : 1636.5 55 : O : 1691.5 ' HVAC SUPPORT l 4 : 756.25 : 578.25 : 178 : O : 756.25 CABLE TRAY SUPPORT : 7 : 391.75 : 331.5 : 60.25 : O : 391.75 INSTRUMENT PANEL i 1 : 52 32 : 20 : O : 52 MISSILE BARRIER : 1 : 539 84.5 : 154.5 : O : 539 , STRUCT PLATFORM 1 : 388 : 384.5 : 3.5 : O : 388 TOTALS : 50 : 7368.5 l 6328.25 : 1040.25 : O : 7368.5 i i

TABLE 4.4 Table 4.4 is a listing of the reinspection data for structural welding showing veld number, size, type, drawing number, organization performing the weld, and inspection / reinspection dates. The table also shows the unit, type of structure, item number, and the basis of acceptance of the weld. i 4 l-1 096098.01

      *s
                                                                                                                                                                 '\

0 ,-p- -es . TAPL E - . 4 4 8 3 OEG:C=CONST :NNJ A teetAl*ACCEFT Py Intr ta'OS= DUCT SPT STRUCTURAL WEL D I NG F S=F IF E SF T A2=ACCCFT PV C AL C CS= CONDUIT SPT RE INSPECT I ON DATA ' A!= tNACCESS!PL E CTS =CAPLE TFAY SFT R =FEJECT ISetNSTRUMENT SPT SEOUOYAH NUCLEAR PLANT NW=NO WELD MISC = MISC STL x = INACCESSIPt.E STFU=STRUCT STL IORIG lEE- t i WELD ! IINSFT i l NSF T 1 ! ! WELD FESULT-L IN INCH test

DES I I I t SIZE t WELD : !ORGIDATE IDATE ! IErAMt----.-----------------------

top MMDDYY:MMDDYY: COMMENT tPY : At t A2 : A! R UNT!(#1 11 TEM !FACDAGE l WELD NUMBER I (IND TYFE ! DRAWING NO

-..;-...:.....1-.......:............._g_......:.....-3............-g...t......t....--t...___..;....t.------:.------:------3-.-..

ISCEFC65 :A1.0.3,4 10.1975 tFILLET:47AO57-138 IN 182285lOt:586 : F CR TB87tDZ ! 14 * : t :FS : 1 ! l 1 FS I 1 iSOEPC65 101.0.7.4 10.1875 1 FILLET!47A053-118 IN IllOOO5:010506 FCR 7887!DZ ! 16 i 1 IFS ' t ISOEFC65 ICS 80,1875 1FILLETt47A053-tl8 IN Itt200580tO586tFCR *887tDZ t O : 1 1

                                                                                        !N    !  s t O!85 t ot:586!FCR  7887tDZ         t    13 I            !       2 1 IFS    I I       ISOEFC65 ICO.4            16.1875     l       FILLET:47A05!-ItB i FS ! !             SOEFC65 IDI              I   O.05 IFILLETla7A65!-IIB             IN !!! 205:OIO586tFCR !887tDZ !                                  .
  ! :FS    I t      ISOEFC65 ID .4             I    O.05 IFILLETt47A057-l!8             IN Ill2:05 Ot:586 FCR 7887:DZ !                          *NW-AFF PW VASIANCE IN    til2005:Ol:586tFCR 7887tDZ !                        !      ! !

1 FS ! ! :SOEFC65 :DT I O.05 lFILLETt47A057-IIB 10.1875 lFILLETt47A057-It0 IN I11:285:01:586:FCR 78873DZ t t 2
i 1 :PS 1 ISOEPC65 lEl.2 0.05 1FILLETt47A057-118 IN i n t20et!Ol:*86 t FCR TB87tDZ ! ! 6
1 i IFS 8 1 ISOEFC65 tF1.3 3 O.25 tFILLET!47A057-118 IN til2085301:586:FCR 7887:DZ t ! NW- AF P PV VARIANCE 1 :PS : I tSOEFC65 lF2.4 i 4 : f 1 IFS 1 1 ISCEFC65 IGl.O 80.1875 IFILLET!47A057-118 IN !!tOO85!012586:FCR 7887:DZ t 1 I :FS I t ISOEPC65 IH1.2.!.4 0.1875 !FILLETt47A05!-118 IN 1110 05 tot 586lFCR 7887tDZ ! 12 1 1 I6 : ! :

t :FS : 1 ISOEFC65 ! ! ! . O. 7. 4 10.1875 tFILLET!47A057-118 IN tt12005lOI:586:FCR 2887tDZ ! 10.1875 : FILLET:47A05!-ISO IN III:285:012586fFCA 788720Z 20 : ! ! I :PS : 1 ISOEFC65 :Ja.: 1: : e- : O :DS : O ISOEFC66 1A1.0.7.4 8 0.05 1 FILLET:47A055-170 IN !OOO970 Ot:006: VAR OSS !DZ : ISOEPC66 191 0.25 IFILLET:47A055-170 IN !O90970:OICOB6: VAR 055 IDZ ! 5 8 ! l O DS 3 : I

4 : :

0 :DS : : :SOEPC66 192 1 0.05 tFILLET 47AO*5-170 IN lO9097980100063 VAR 055 !CF : 4.5 3 : O :DS : 2 ISOEPC66 193 i O.25 tFILLET!47A055-170 !N !O90979:01:006tVAR C55 :CF I 1 i O.05 ! FILLET:47A055-170 !N IO9097910100063 VAR 055 ICF i 1 4 ! : 0 :DS : : :SOEPC66 194 ! 0 80s 2 ISOEFC66 ICI THRU 12 IC.1875 (FILLET 47A055-170 IN !O90979tOtOOO6 VAR 055 ICF I 18 t 19 ! O IDS 0 ISOEPC66 1D1.3 I O 25 8 FILLET **7A055-170 N 169097*!OtOOO6tVAR O*5 IDZ t 8 : 1 1 IN IO909798010606tVAR 055 tDZ i I O IDS O lSOEFC66 IDO.4 8 0.05 IFILLEi.*7A055-170 I 4 ' I I FL AAE I47AOSS-170 IN !O*O*79 tot 2006tvAR 655 !CF I : O :DS ! O I SOEF'C66 IEt t I IFLAKE 147AO*5-170 IN IO90979tOI 006tVAR 055 ICF t 5 t O DS 1 : ISOEFC66 !E2 3

SOEFC66 IE3 10 1875 FILLET 47A055-170 IN IO*O979 tot:OB6: VAR 055 ICF ! 4 8 O IDS t 2 12 3 t O :DS : 0 !SOEPC66 tFt.2.3 10.1875 IFILLEft47AO*5-170 IN !O909?9:OIOOB6! VAR 055 ICF t 8 O !DS I 2 ISOEPC66 1G1.2 1 0.05 !FILLETt47A055-170 N !O*O979 tot:006: VAR C55 ICF ! 5 I ISOEPC66 IH1,2,3.4 80.1875 IFILLET!47A055-170 !N !O909798012006tVAR 055 !DZ t 25 t t O 1DS t ?

0 tDS I 2 ISOEPC66 III.2.7.4.5.6 i O.05 IFILLET147An*5-170 IN IO*6979 Ot26R61 VAR 655 IDZ 3 t! : I g IN 06909792nl:686tVAR USS IDZ I 10 1 I I o tDS I ISOEPC66 IJ1.2.5.4 30.18'5 IFILLEft47A055-176 : O tDS ! 2 ISOEFC66 IV1.2.3.4 10.1875 IFILLETt47A055-170 IN TO*O979:Ol20063 VAR O*5 tDZ t to t 1 690979 OtOOB6: VAR O*5 IDZ ! 54 i : 0 :DS ! 2 ISOEPC66 IL1 THRU 12 10.1875 1 FILLET:474055-170 !N 4 3 : 0 !DS I 2 ISCEPC66 IMI l0.1875 ! FILLET 47A055-170 IN 1090970:Ot2006: VAR 055 !CF 1 10.1875 IFILLET!47A055-170 !N !O90979:012006tVAR OSS ICF t lNW 1 O :DS t 2 SOE PC66 IMO.3

ISOEFC66 IN AND 0 30.1975 IFILLET!47AO*S-170 !N 10?O979 Ot20061 VAR 055 ICF ! 40 :

0 :DS I 2 ICF 1 3 1 ; i O lCS : 3 ISOEPC67 A1 i O.05 tFILLET!47A056-16.16A8C !;50!79801:586: ' SOEFC67 I A2. !. 4 i O.05 t F ILLET 147 A056-16.164 t C *.50!79:0125068 CF t 9 : ? O lCS I ! O :CS : ! ISOEPC67 181.2.7.4 ! 0.05 !FILLEft47AOS6-16.16AIC :*567'9:010586: ICF : I! ! ICF 00 :

I 0 tCS t ! 1SOEFC67 ICt.2.7.4 10.1875 IFILLETt47An*6-16.16Atc t'50!?*:n30*06: t O 1CS : ?* :SOEPC67 1D1.7.4 10.1875 IP/FILLt47A056-16.16A!C - 50!?9 :01:5968 ICF t 9 8 1 IPUTT I47AOS6-16.16A8C : 5057*:01:586: ICF I ! : : :

O CS : !SQdtC67 ID2 I

                                                                                                                                                            !       I O  CS t 3          ISOEPC67 IEt.3.4           !O.1875 IB/FILLt47A056-16.16A!C               : .5v??9!O1 *B6 8                3CF    t      10  t O  ICS : 3         ISOEFC67 IE2               I           IPUTT         147A056-16.16A:C    t<50!?':0105868                  ICF    t        5 t        1 :        3 For,g i

o' -06 TA PLE 4 . 4 ( e I DGG s C = CONS T : thu9Cf C iu'DE= DUCT SPT STRUCTUR AL W ELD 1N G tes)At=ACCEFT FY I N"F-F S=F IF E SF T AO=ACEEFT Pt r As t DA T A A ? = lNar, Crys t l e r CS=CONDutT SPT R E I NSP L CT I ON CTS =CAPLE TRAY SFT R =>EJELt IS=lNSTRUMENT SPT SEOOOVAH NUCLEAR FLANT NW=NO WELD

MISC = MISC STL x = INACCESS!!-LE STRU=STRUCT STL 10 RIG IFE- t I WELD 1 11NSFT tlHSPT l 1 tWELD GESULT-LlH INCH #est IDES I I i t SIZE I WELD I IDRG:DATE !DATE 8 :ErAM----------------------------
A! : #

UNT!*st ITEM IFAC6 AGE IWELD VUMBER 8 (IND 1 TYFE 105 AWING NO titt:MMDDYY:NMDDVY:COMMCNT IBY t Al AO f ___:____!______:________t______________:_______1______._____________:___:______:______:________ ____:______.:_______:-_____:_____ J 1

                                                                                                      !o??9:010596:         :CF :             o

O (CS I 3 :SOEFC67 IFt.2.! to.1975 :P/ FILL 47Ao!6-16.16A:C .

q A :CS I : :SOEFC67 tF4 4 ! FLARE :47A056-16.16A:C :.50!?9801:596: tCr : ; . : 0 :CS 1 ! ISOEFC67 tGl.2.4 10.1875 ! FILLET!47A056-16.teAIC ! 50!?':01 596: ICF l' I : : 0 :CS : 3 ISOEPC67 IG3 10.1975 ! FILLET!47A056-16.16A'C .-50!7*:0105968 fCF t ! ! : o ICS I ! :SOEFC67 2Hl.2.T.4 10.1075 IFILLEf t 47A056-16.16/ .C ! 50!?' 0105e68 tCF !! : : : o ICS I 3 ISQEPC67 !!1.3.4 ro.1975 IFILLETt47A056-16.te IC *<50!'*801 5961 lCF : 9 ! : I O 3CS I ! !SOEFC67 !!2 I !FLAFE I47A056-16.16AIC : 50!?9:01:596: ICF ! ! ! : 1 0.25 ! FILLET 147A056-16.164:C l<50!?'!01:566! ICF 1 9 I i ! { 0 :CS I 3 ISOEFC67 IJ1.2.3 1 o :CS I 3 ISOEPC67 IJ4 t 0.05 IFILLET147A056-16.16A!C -50!'9 tot:5e6: CF 1 1 i 10.1975 IFILLET14?A056-16.16AtC ';50!79101:596: TCF t to : ? I 0 iCS t 3 ISOEFC67 10' t . 2. 7. 4 * : . 0 :CS I ! ISOEPC67 ILt.: 10.1875 tFILLETt47A056-16.16A C l'50!70:010!O6: ICF ! 6 : 0 :CS t 3 :SOEPC67 :L2 10.1875 FILLETt47A056-16.16A:C : '50!?*:01 5065 ICF ! O I 1.5 : 0 :CS : ! ISOEFC67 IL4 80.1875 1FILLETt47A056-16.16A:C :<50!?*:01:596! !CF T O : 1.5 8 0 ICS I 3 ISOEPC67 iMt 10.1975 IFILLET:47A056-16.16A C t'50079 tot:5961 tCF ! 3 I i O ICS ! :SOEPC67 iM2.3.4 10.1975 IP/FILLf47A056-16.164:C '50!?9!010596: tCF i 17

0.05 IFILLET!47A056-16.16AIC !(50579:01:596: CF t 9 : !

I O !CS : 3 ISOEPC67 IN1.2.3 I t 0 tCS 1 : ISOEFC67 IN4 1 0.25 1FILLEft47A056-te.16A!C t<50!79 tot:5061 tCF : : IX 0 !CS t 3 ISOEPC67 101.2.3 10.1975 19/FILLt47A056-16.16A!C :<50!79301:506! ICF 3 9 8 1 1 ISOEFC67 104 IPUTT 147A056-16.16AtC (50!7930125963 ICF ! ! : I ! 0 ICS I ! 8

                                                                                                                                                                !      I O  ICS ! 3            ISOEPC67 IPt.2,3            10.1875 P/FILLt47A056-16.16AtC            t30379tol:5068        ICF        f    9.5   !

O ICS I ISOEFC67 IP4 I IPUTT 847A056-16.164tC !<50!7':01:5e61 ICF : 3.5 : ! l 0 ICS 1 3 ISOEPC67 101 THRU to 20.1975 IFILLEft47A056-16.164:C <30379101:5861 fCF I 20

6 2 3 8 0.125 IFILLEf t 47A056-16.16A!C :*!A!?9 tot:506: ICF : #6 : I !

0 !CS I ! ISOEFC67 tRt.2.7.4 ! tSOEFC68 lAt THRU O 10.1875 FILLETt47A055-159 :C 10:017#1012:06: VAR 055 :DZ t 25 3 ! O IDS t 4 f 9 :

O IDS ! 4 SOEF C69: Pt.! 10.1875 ! FILLET!47A055-159 :C lO:0179:Ot:206tvAR 055 :DZ f 8 l

10.1975 FILLET 147A055-159 IC t000179tol:206tVAR 055 IDZ t I to ! 0 tDS I 4 ISOEPC60 192.4 t 0 IDS t 4 ISOEPC68 ICI 10.3875 IFILLET!47AO*5-159 tC 1020179totOOO6tVAR 055 IDZ t I t t 0 IDS t 4 ISOEFC68 BC2.4 10.1875 IFILLEft47A055-159 :C lorot79t012:06tVAR 055 IDZ t 8 8 8 4 BC ICOO179:010006tVAR 055 IDZ t : ! ' t 0 :DS I 4 ISOEPC68 IC3 10.1875 IFILLETt47A055-159 tC to Ol79:01:206: VAR 055 IDZ t 19.5 * ! I 0 DS I 4 ISOEPC60 1D1.2.4 THRU 7 10.1875 ! FILLET!47A055-159 I 1.5 1 ! O IDS I 4 ISOEPC68 ID3 10.1975 IFILLET147A055-159 :C :000179:OtOOO68 VAR O*5 :DZ t ISDEFC68 IEt,3 10.1875 :FILLETt47A055-159 !C 1000179:010:06: VAR 055 10Z 1 ! G t ! O IDS I 4 : 4 ISOEPC60 lE2.4 10.1975 IFILLET147A055-159 :C l020179:OtO 06tVAR 055 tDZ t : to : 0 :DS 0 :DS t 4 'SOEPC68 IF1 10.1975 IFILLET!47A055-159 tC 8000t?9:010206tVAR 055 IDZ t 3 I 1 8 10.1975 IFILLETt47A055-159 :C 1000t?':010086 VAA 055 3DZ t 4 1 : 0 IDS t 4 ISOEFC68 IFO ? ! I 10.1975 IFILLEft47A055-t*9 iC 000t?9 tot:296: VAR 055 DZ f 4 0 tDS I 4 ISOEPC69 IF3.4 O IDS t 4 ISOEPC60 IGl 10.1975 IFILLETt47A055-159 3C :0 Ot7*:Ot 0?6: VAR 055 IDZ t 4 : e tSOEPC69 IG2 10.1975 IFILLET!47A055-159 !C 2000179:01:096 VA6 055 :DZ t t 5 : 8 ! O tDS 1 4 : 4 *

0 :DS : 4 ISOEFC60 IG3 10.1975 JFILLET4'AO*5-159 !C to ot??:01:296: VAR 055 :DZ :

10.1975 !FILLEY:47A055-158 iC !OOO179:01:296tVAR 055 IDZ : 5 t : : 0 IDS t 4 ISOEPC69 IG4 ISOEPC60 tH1 10.te75 !FILLEft47A055-15* C !006170:Ot:096tVAR 055 IDZ ! ! ~ . l 0 :DS 1 4 t 1 10.1875 tFILLEft47A055-159 !C !OO0l?*:012OO6: VAR 055 IDZ t O I I 0 :DS t 4 ISOEPC69 IH2.4 I : 0 :DS I 4 ISOEPC68 IH3 10.1875 IFILLET:47AO*5-159 !C !000170 tot 20e6: VAR 055 IDZ ! ! : \ P Ar,F ? I t

n -, , - N j N< O t w/

         . ,7 r     e6 T APLE         *  . 4

(

t ORG: C =COtss i s N=NUC r t.

selDS= DUCT Sri S T RUC 7 URAL W CLD ING ( 8 8 t Al = ACCE8 7 f*Y t tf 8' F 9-t IF F sr t A;.ArrF#1 Py r As s CS= CONDUIT SFT R E INSP E C t I ON DA T A A7=3P4AL(LS9tHt CTE=CAFLE TRAv SFT & =EEJECT IS= INSTRUMENT SPT SEQUOYAH NUCLEAR FLANT NW=NO WELD MISC = MISC STL X = INACCESSI PLE - STRU=STRUCT STL IORIG tRE- t I WELD l' IINSFT ttNSPT t . ! WELD FESULT-LIN t r#CH (80) IDES I I 1 i SIZE I WELD t IORGtDATC tDATC 1 !ENAMt---------------------------- UNTifat IITEM :FACCAGE IWELD NUMPER ! (IN) ! TYF E IDEAWING NO IEttIMMDDYYlMMDDYY: COMMENT IBY t At ! AO 1 A! t &

         ---!----!------          --------!---=----------t-------t------!-------------l---l-+----!------t--------!----l-------!-------l------:-----

O IDS 2 4 ISOEFC68 :11.0.4.6 10.1975 ! FILLET:47A055-159 1C :OOCl7o:Al2006tVAR 055 IDZ t 16.5 : ! I O :DS t 4 tSOEFC69 tI3 t0.1975 IFILLET!47A055-159 !C IO2Ol79tOtOOO68 VAR 055 IDZ t ! 1.5 I I O 3DS I 4 ISOEF C68 II5 10.1875 IFILLETt47A055-159 !C IOOOt79 tot:0061 VAR 055 IDZ t 8 1.5 t ! O 3DS I 4 ISOEFC68 !!7 10.18'5 IFILLET!47A055-159 IC !O291793012 06tvAR 055 IDZ l' t.5 8 8 8 0 IDS I 4 ISOEFC68 !Jt.5 10.1975 !FILLEft47A055-159 !C In20!?9totOO6: VAR 055 :DZ t t 8 ! I O IDS : 4 ISOEFC68 IJ2.4 10.1875 IFILLETt47A055-159 1C !OOO179tol:286tVAR 055 102 ! I 10 ! O IDS I 4 ISOEPC68 tMt 10.1875 IFILLETt474055-159 tC IOrot79:Ot2 06tVAR 055 IDZ t ! ! t O 105 1 4 ISOEPC6B t t.2 10.1875 IFILLEft47A055-139 !C !O2Ol79 Ot:2868 VAR O*5 tDZ t 4 I t i O IDS I 4 ISCEFC68 IM3 10.1875 IFILLET!47A055-159 IC :OTOl79:OlO 06tVAR 055 IDZ t ! ! ! ! O IDS : 4 ISOEFC6B IE4 30.3875 !FILLEft47A055-159 IC !O 0179tOI:286: VAR 055 IDI t 4 3 : O :DS I 4 ISOEPC68 IL1,3 80.1975 IFILLEft47A055-159 IC IOOOt70tol2006tVAR 055 10Z t t 8 1

O IDS I 4 :SOEPC68 !L2,4 10.1975 ! FILLET!47A055-159 !C IO20179:Ot:286tVAR 055 IDZ t ! 10 ! !

O IDS f 4 SOEFC6B IMI 10.1875 1 FILLET!47A055-159 IC 1020179tol2286tVAR 055 :DZ ! t 7 ! ! O IDS t 4 ISOEPC68 !NO.4 10.1975 IFILLEft47A055-159 IC IO20179:0122862 VAR 055 IDZ t 8 ! I t O IDS I 4 ISOEPC68 IM! 10.1875 IFILLETt47A055-159 IC IOOOl79:Ot:086: VAR 055 !DZ t 5 t ! ! O :DS I 4 ISOEFC68 INI 10.1875 FILLET!47A055-159 !C IO20179 tot 2 06tVAR 055 1DZ t I ! ! I O IDS i 4 ISOEPC68 IN2.4 10.1875 IFILLETt47A055-159 tC IO20179totOO86tVAR 055 IDZ ! 8 : ! ! O IDS ! 4 ISOEPC68 !N3 10.1975 lFILLEft47A055-159 !C 8020179101:286: VAR 055 IDZ t t :N ! O IDS 4 ISOEFC68 101 THRU 8 10.1875 IFILLEft47A055-159 :C IOOOt79tol:2061 VAR 055 !DZ t 25 8 ! ! I FS t 5 ISOEPC69 lA1,6.7 1 0.25 tFILLEftHtO-It38 !C 101067680326861 :CF t 17 t ! i 1 :PS ! 5 ISOEFC69 IA2.3.4 I O.25 !FILLEftHto-1158 IC 3010676 010606: ICF t I NW- AF P P.E. LTR 7-09-75 1 !PS t 5 ISOEPC69 IA5 1 0.25 IFILLEftHtO-Il58 :C 10106761012686: ICF ! ! 6 I I I iPS I 5 ISOEPC69 !A8 i O.05 IFILLET!HtO-It:0 IC 101067610126863 !CF I ! 3 8 ! 1 tFS I 5 ISOEPC69 181,5,6,7,8 I O.25 IFILLETtHlo-1158 IC 1010676!O126868 ICF t 26 3 I i 1 IFS I 5 ISOEPC69 192.3.4 i O.05 l FILLET!HIO-1158 !C 801067630126861 3CF t INW-AFP P.E. LTR 7-09-75 t lFS 8 5 ISOEFC69 ICt.4.6 3 0.25 ! FILLET:HtO-1158 !C 101067610126868 2CF t t 30 ! ! 1 IPS 8 5 ISOEPC69 tC2 i O.05 IFILLET!H10-1158 !C 101067610126861 tCF t t ty : 1 IFS I 5 ISOEPC69 fC3,5,7,8 I O.25 tFILLEftH10-IISO IC 101067610126861 !CF ! 05 1 : 1 1 IPS ! 5 ISOEPC69 IDt.2 I O.25 ! FILLET!HtO-sl58 BC 101067610126861 CF 3 8 8 I I 1 IPS I 5 ISOEFC69 IE1 i O.25 IFILLET!HtO-IISO IC 1010676t0126868 3CF I 4 8 I I 1 IPS I 5 ISOEFCS9 IE2,3.4 I O.25 IFILLET!H10-It58 'C 3010676!O106063 !CF t 12 I I t 1 IFS I 5 !SOEPC69 IFt.2 i O.25 IFILLETtHlo-1158 IC 101067610106068 BCF I B 1 3 1 IPS I 5 ISOEPC69 IG1.3.4 I O.25 IFILLET!HIO-il58 IC 1010676 012686 BCF ! 17 I I : 1 IFS I 5 ISOEPC69 1G2,5 8 0.05 tr!LLET3Hlo-itS8 IC 1010676:082686 BCF i ! 9 I t

IFS I 5 ISOEPC69 IG6.7,8 1 0.25 IFILLETtH10-1158 IC 80806761010606! ICF t lNW-AFF P.E. LTR 7-09-75 1 IFS t 5 ISOEFC60 IHl.2.3.4.5 I O.25 IFILLET!HIO-It38 !C 10106762012686! ICF I 26 ! I I 1 IFS I 5 ISOEPC69 IH6.7.8 I O.25 IFILLETtHlo-1158 IC 101067610126861 CF : NW- AF F P.E. LTR 7-09-75 1 IFS I 5 ISOEFC69 til.6 3 0.05 lFILLETtHIO-itse IC 101067610 0686: ICF i 1 9 1 8 1 IPS I 5 ISOEFC69 312.3.5.7 I O.25 IFILLETtH10-It58 IC 1010676:0106861 !CF 1 05 4 ! !

I IPS

5 ISOEPC69 114 I O.05 IFILLETtHIO-il58 8C 108067630126861 ICF 3 8 8 8 1 IFS I 5 ISOEPC69 LIB 1 0.25 IFILLETtHlo-1158 IC 10806761012686: ICF t t IK '

1 3FS 1 5 ISOEPC69 IJA.2 t 0.05 IFILLEftHIO-It58 tC 3010676!O12686! ICF i 8 3 ! t 1 IPS I 5 ISOEPC60 IKI.3 3 0.25 IFILLET!HIO-t!58 IC 10196761010686 BCF I 8 I I I PAGE 3

07 -E6 T ABLE 4 . 4 i e DEG C=C0tas T s 'a' HUC8 F-ta'DS= DUCT SF T ST RUCTUR AL W ELD I tt G tes At=ACCEFT Pv 1450 F S = F 15 E SF T AO*ACCEFT PV C i.t.C CS= CONDUIT SFT R E IN SP ECT I ON DA T A A!=INACCES53EtE CTS =CA&LE TRAY SFT R =FEJECT IS*!NSTRUMENT SPT SEOUOYAH NUCLEAR FLANT NW*NO WEL D MISC =MIEC STL x = INACCESSIELF STAU=STRUCT STL t0 RIG :FE- : I WELD : !!NSFT : INSF T t : ! WELD FESULT-L t's INCH seen IDES : : 1 I SIZE WELD : 10RG DATE :DATE : EIAM:---------------" ----------- UNTite) ITEN IFACFAGE IWELD NUMBER ! (IN) 1 TYFE : DRAWING NO tentFMDDYYtMMDDYY:COMPENT IFY : At : A0 8 A R , ...:.._.;_..... ..._____g..-_..........; ....._g....__:.............g___;... __g ..___ _______.:....;. .....:.. ....:......:...__ 1 FS ! 5 ISOEFC69 IKO.4 i O.05 IFILLET8HIO-II5O IC 1910676:0106861 :CF ! 8 : : 3 1 lFS t 5 :SOEPC69 ILt.2 i O.05 IFILLET1HlO-115S IC 1010676:0106868 :CF ! ! 8 : : O :CS : 6 ISOEFC70 2A 10.1875 IFILLET!47AO*6-150 IC 07:579:01:486: VAR 055 IWE : 16 : : O lCS ! 6 :SOEFC70 fB 80.1875 IFILLETt47A056-150 tC !O7 !7'f01:486: VAR 055 IWE i 16 : : I 0 :CS I 6 ISCEFC70 tC 10.1975 ! FILLET:47A056-tSO :C !O72!70 tot 2486: VAR 055 !WE : 24.5 i : . 0 :CS I 6 ISCEPC70 ID to.1975 FILLEft47A056-150 :C IO7:!79:Ot:496! VAR 055 tWE : 34.5 : : : i O tCS I 6 ISOEPC70 lE 10.1875 !FILLETt47A056-150 C !O72!79101:486: VAR 055 tWE : 16 I I 4 0 :CS : 6 ISOEFC70 IF 10.1875 IFILLET!47A056-150 IC IO70!79:012486: VAR 055 tWE ! 16 ! : O lCS I 6 ISCEPC70 IG1 THRU 6 10.1875 1 FILLET!47A056-t*0 :C IO72079:01486: VAR 055 !WE : O! : : : 0 iCS I 6 :SOEPC70 !G13 THRU 18 80.1875 IFILLET!47A056-150 C !O7:379:Ot:4861 VAR 055 IWE I O! ! O ICS 6 ISOEPC70 IG19 THRU 24 80.1875 lFILLETl47A056-159 C IO72379fot:486: VAR 055 :WE : O! ! : : 4 0 ICS 6 :SOEPC70 1605 THRU 30 10.1875 IFILLET!47A056-150 :C 1072!79 012486: VAR OSS tWE : O! : 8 :

!          o  :CS      I 6        ISCEFC70 IG31 THRU !6   10.1975   IFILLETt47AOS6-350       IC  IO72379:Ot:486tVAR 055 IWE :            O! !            !

O ICS t 6 ISOEPC70 !G37 THRU 42 10.1875 1FILLETl47A056-150 C 1070!791012*06tVAR 055 lWE I 03 3 : : 0 ICS I 6 ISOEFC70 IG43 THRU 48 10.1975 tFILLET!47AOS6-ISO tC !O70079101:586: VAR 055 IWE : O! : ' 8 0 :CS 6 ISOErC70 IG7 THRU 12- 10.1875 IFILLETt47A056-150 IC 2070!79801:486: VAR 055 !WE : O! : 1 3 l 0 tCS I 6 ISOEPC70 tHi THRU 3 10.1875 IFILLEft47A056-150 :C lO72379301 *06: VAR 055 tWE : 11.5 : 3 : j 0 tCS : 6 ISOEPC70 lH12 THRU 14 10.1975 ! FILLET!47A056-150 C lO72079:OlO*063 VAR OSS tkE 1 11.5 3 1 O BCS ! 6 ISOEPC70 lHIS 10.1875 IFILLETt47A056-150 C 1072!79 tot:586: VAR 055 IWC 1 6 : !

I O ICS t 6 iSOEPC70 !Ht6.17 10.1975 IFILLETt47A056-150 IC 1072!79:08:586tVAR 055 IWE I 6 : I 8 O ICS I 6 ISOEPC70 !H4 THRU 6 10.1875 IFILLEft47A056-150 :C IO70!?9 tot:5868 VAR 055 lWE t 31.5 I I I O tCS 6 ISOEPC70 IH7 10.1875 IFILLEft47A056-150 tC to?O!?9:Ot:586tVAR 0*5 IWE : 6 8 8 I O ICS I 6 iSOEFC70 !HO 10.1875 IFILLET!47AO*6-t:0 tC 072!79 toto!36tVAR 055 tWE : 6 : : I O ICS t 6 ISOEPC70 IH9 THRU 11 to.1975 1 FILLET!47A056-150 :C !O7:379 toto 586tVAR 055 IWE : 11.5 : 3 I O CS I 6 ISOEPC70 IJa THRU 6 10.1875 !FILLETI47A056-150 :C 1070079:01 Se6tVAR 055 IWE : 23 : ! !

O lCS t 6 ISOEPC70 IJ13 THRU 18 10.1875 !FILLEft47A056-150 :C 107:37atot:586: VAR O*5 iWE : O! I I : O ICS 1 6 ISOEPC70 !Jt9 THRU 24 10.1875 IFILLETt47AOS6-1*O IC lO7 !?9 tot:506tVAR 055 !WE 1 :: : ! 0 :CS : 6 ISOEPC70 IJ 5 THRU 30 10.1975 IFILLETI47A056-150 :C !O72379:01:5868 VAR 055 IWE : 23 : 1 0 ICS I 6 SOEFC70 IJ31 THRU 76 10.1975 IFILLET!47AOS6-150 IC IO70579 toto 586tVAR C55 IWE : 03 ' t O lCS t 6 SOEPC70 IJT7 THRU 42 10.1975 trgLLETt47A056-150 C 107379:01:586tVAR 055 tWE t O! ! t I O ICS 6 ISOEFC70 IJ43 THRU 48 10.1975 IFILLETt47AOS6-150 :C 307:579 tot:586tv5R 055 tWE : O! ! : O :CS I 6 ISOEPC70 IJ7 THRU 12 10.1875 tFILLET!47A056-150 IC 1072*79:01 586 VAR 055 IWE : 23 : : : O ICS t 6 ISOEFC70 IK1 1 THRU 6 10.1875 !FILLETt47A056-150 IC :070!?9101:5C6 VAR 055 IWE : 70 : : i 0 :CS t 6 ISOEPC70 tKt 7 THRU 12 30.1975 !FILLETt47A056-150 :C 107 !79 010596: VAR 055 !WE : 50 : 8 I O !CS 6 ISOEFC70 !Kt THRU 6 10.1875 IFILLET47A056-150 IC 107:279tOlO596tVAR 055 !WE '

                                                                                                                                         !O :            :    :

0 :CS ' 6 ISCEPC70 IK7 THRU 12 10.1975 !FILLEft47A056-150 IC lO70!79:OI:586: VAR 055 IWE : 07 1 ! l t O !CS 6 ISCEPC70 tL1 THRU 5 10.1875 IFILLETI47A056-150 IC 1070*79:Ol**B61 VAR 055 !WE : 30.05 : : : O lCS t 6 :SOEFC70 !L11.12 10.1875 1 FILLET!47A056-150 !C IO72079:010*86: VAR 055 lWE 12 1 : 3 0 tCS ! 6 ISOEPC70 IL6 THRU 10 10.4875 tFILLET!47A056-t*O C to7:37'In1 506tVAR ^55 IWE 1 T O. 05 1 8 O ICS i 6 ISOEFC70 1Mt THRU 5 10.1875 IFILLEft47A056-150 IC 1672!79:Ut 586tvAR e55 twE ' 30.05 2 : : O !CS t 6 !SOEPC70 IM11.12 10.1875 IFILLEYt47A056-t!O lC IO7 !79 tot *06: VAR O*5 tWE

10 : : '

O ICS I 6 ISOEPC70 IM6 THRU to 10.3875 : FILLET!47A056-t*O IC 07 !79801:586: VAR 055 IWE : !O.05 1 3 : O CS : 6 ISOEFC70 INI 1 THRU 6 30.1875 IFILLET!47A056-150 !C IO72379:01:586tVAR 055 lWE ! 7 : 6 ! I om.F 4

f +g

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07 " -96 TABLE = . 4 (spOPGsC=CONSTN = tm>C F S 8#DDS= DUCT SPT STRUCTURAL WELD! NG t e e l Al=ACCEF T PV INSE FS=PIF E SF T A:= ACCEPT PV CALC CS= CONDUIT SF T RE INSPECT I ON DATA A!=lNACCESSIbtE CTS *CAPLE TGAv SPT R =EEJECT SEQUOYAH NUCLEAR FLANT NW=NO WELD IS= INSTRUMENT SPT X = INACCESSIPLE MISC = MISC STL STRU=STRUCT STL 20 RIG 1RE- t

                                        ! WELD I                                    t1NSPT IINSPT I          1        IWELD RESULT-LIN INCH 889)

DES I 1 : I SIZE ! WELD I IORG!DATE :DATE I !EXAMI ---------------------------

UNTI(#) IITEM 1FACtAGE IWELD NUMPER ! IIN) 1 TYFE ; DRAWING NO lte):MMDDYYtMMDDYY! COMMENT IPY t At : A : A7 I 5 ...g____f......;....._..g_.____........g....___g.___..g_- .....___g.__3....._!._____g__._....t..._!.......t.......!...__.!..... O ICS I 6 ISOEFC70 IN! 7 THRU 12 10.1875 IFILLET147AOS6-150 IC IO7 !78 tot *061 VAR 655 IWC ! 7 i 6 8

C IO7 !79101:586tVAR 055 IWE I !! ! !

0 ICS t 6 ISOEFC70 int THRU 6 10.1975 IFILLET!47A056-150 '7 : 2 10.1975 tFILLETt47A056-150 IC IO7:!?9:Ol:586: VAR 055 IWE ! 6 i 0 ICS ! 6 tSOEFC70 IN7 THRU 12 I

                                                                              !C IO7:3791012586tVAR OSS tWE !

O ICS : 6 ISOEPC70 IPt THR') 3 10.1975 tFILLET:47A056-150 11.5 O ICS : 6 ISOEPC70 $P12,13,14 10.1975 IFILLEft47A056-150 IC IO7270:Ol *061 VAR 055 IWE . 11.5 1 1 0 :CS t 6 ISOEPC70 IP15 10.1875 IFILLETI47A056-150 IC IO7 379:Ot:586tVAR 055 IWE ! 6 : 8 lSOEPC70 IP16,17 10.1875 IFILLEft47A056-150 IC I O7:370 ! O1

06 t VAR 055 tWE I 6 : 1 0 (CS ! 6 ISOEPC70 tP4 THRU 6 10.1975 ! FILLET 847A056-150 !C IO7:379101:586tVAR 055 IWE I 18.5 ! 8 O ICS : 6
ISOEPC70 $P7 10.1975 IFILLETI47A056-150 IC lO7277*IOI:586tVAR 055 :WE I 6 1 O ICS I 6 6 5 : I O ICS 1 6 ISOEPC70 IP8 10.1875 IFILLETt474056-150 IC In?:379 tot *86tVAR 055 tWE IO70!7'IOt:5868 VAR 055 tWE I 11.5 I I t O ICS I 6 I SDE PC70 IP9,10.11 10.1975 ! FILLET 147AOS6-150 1C 1-O ICS I 6 ISOEPC70 tRt i THRU 3 to.1975 IFILLETt47A056-150 C 10? 379tOl:586tVAR 055 !WE t 9 ! 2.5 :

9 1 2.5 : : O ICS 8 6 ISOEPC70 IR1 4 THRU 6 10.1875 IFILLEft47A056-150 C IO7 079tol *06: VAR 055 !WE I 0 !CS I 6 ISOEPC70 tR1 THRU 3 10.18?5 IFILLETt47A056-150 IC IO73'*!O1:586: VAR 055 IWE : 11.5 10.1875 IFILLET147AOS6-150 :C IO70!?'!OI:5861 VAR 055 IWE ! 9 ' ..s . O ICS 6 ISOEPC70 IR4 THRU 6 ! 2 IPS I 7 ISDEPC71 1Al-4 1 0.25 (FILLET!HIO-469 C lO7:17910126868 IDZ 14 : ! DZ ! ! Il 3 ! 7 !SOEFC71 191,2,4 1 0.25 IFILLETtH10-469 !C 107:179:0126868 11 I I O.25 ! FILLET 1HIO-469 IC 807:179:0126861 3DZ ! ! ! I 2 :PS : 7 ISOEPC71 03 I 2 IPS 7 ISOEPC71 IC1-4 8 0.25 :FILLEftH10-470 IC 107:179:0126865 IDZ t 3 I . IC 307:17910126865 102 : 11 1 1 ! tPS ! 7 ISOEPC71 !D1,2,4 I O.25 IFILLET!HtO-469

                                                                              !C 107:179:012686:             !DZ !           ! !           !       !

2 1PS ! 7 150EPC71 103 I O.25 IFILLETtH10-469 ISOEPC71 !El.2,4 0.25 IFILLETtH10-469 tC 807:1780126868 IDZ ! It I t i O IPS 1 7 1 2 IPS : 7 ISOEPC71 tE3 0.25 IFILLETHIO-469 !C tO7:179tol:6861 IDZ t !! 1 O.25 IFILLET!Hto-481 tC 307:17*!OI:6868 !DZ ! ! : : : 2 IPS I 7 ISOFPC71 !F1-4 I IBUTT IHto-470 :C 807:17980126e61 3DZ : 7 : 1 2 IPS ! 7 ISOEPC71 161.2 I 2 IFS 7 ISOEPC71 IHl.2 IPUTT IHtO-470 IC 107:17980126861 IDZ ! 7 1 1 ! IC 107:17916106061 10Z t 7 1 1 I O tPS I 7 ISOEPC71 Ilt,2 8 19077 IHlO-481 t&UTT IHlo-401 IC IO7:179tol 6R68 3DZ 7 8 I I IPS I 7 ISOEPC71 IJt.2 I 2 SPS I 7 ISOEPC71 It1,2 IPutt tHlO-47o IC 107:179:"126063 IDZ ' I I a lbOTT lHlo-470 #C 107:17980126863 3DZ I 7 I I i IPS ! 7 ISOEPC71 ILt.: 1 7 : : I 2 2PS I 7 ISOEPC71 IM1,2 I IPUTT IH10-481 IC 107:1791012686: IDZ ! ISOEPC71 IN1,2 I IPUTT THRO-481 IC !O7:179:0126861 IDZ t 7 1 : IPS I 7 : I

PS I 7 SOEPC71 101 1 : PUTT IHIO-470 IC 107:17*t012686 IDZ t II IC 107:1791012686t IDZ ! O I t 2 IPS ! 7 ISOEPC71 102.3 I O.25 IFILLETtHlO-470

                                                                                                                                 !      4 8 2  :PS I 7       ISDEPC71 104           8         IPUTT IH10-470              !C   807:17910126861            :DZ t                                 8 IBUTT   fHtO-470            IC   207:1791012686            IDZ !               I         tr      I IPS I 7       ISOEPC71 1Pt           1
                 !SOEPC71 :P2,3,4       i  O.25 t&/FILLtHIO-470               IC   807:17980126861           SDZ       t   10 t            !       !

2 tFS 1 7 i O.25 IB/FILLtHtO-481 !C 107:179:0126861 IDZ ! 16 1 : 1 O tPS I 7 ISOEPC71 101-4 2 IFS : 7 ISOEPC71 Rt. ,4 i O.25 :P/FILLtHlo-481 IC 107:17910126861 IDZ ! 1 I 1 8 0.05 tFILLET:HtO-481 3C 107:1791012686: IDZ t 4 1 I I

IPS ! 7 ISOEPC71 lR2 8 tC 107:17*10126861 IDZ t 15 3 :

2 IFS I 7 !SOEPC71 ISt i O.25 IFILLETtHIO-469 2 IPS t 7 ISOEPC71 IT1 I O.25 ! FILLET!HtO-469 !C 107:17980126861 IDZ l ! 10 1 ISDEPC71 872,4 0.25 (FILLETtHlo-469 !C :07:179 tot 6861 IDZ t 16 8

I 2 IPS I 7 8 ror.F 5

s -

\.

s O' -86 7 T ABLE 4 . 4

                                                                                                          ' ( 0 i ORG: C= CONS T 8 N"MCF 0 S T AUCTURAL                   WELD ING                            tes>Al=ACCEFT Sv I H58 '

taiDS= DUCT SF T A =ACCEFT Bf C As.C F E=51F E SFT . A!=INACCESSif LE CS= CONDUIT SPT RE I NGFECT ION DA TA R =6 EJECT CTS = CABLE TRAY SF T NW=HO WELD IS=lNSTRUMENT SFT SEQUOYAH NUCLEAR FLANT x = INACCESSIELE. MISC = MISC STL STRU.STRUCT STL IORIG IFE- ! I WEL D 8 !!NSFT I INSF T 1 1 ! WELD EED>L T L IN INCH issa-t I t SIZE t WELD t IORGIDATE IDATE 1 I E X AM I - - - - - -- -- - - - - tDES I ItellMMDDVYtNMDDvytCOMMENT IBY t At ! A A! ! R UNT top t! TEM IFACIAGE tWELD NUMBER 8 ftN) ! TYFE IDRAWING NO . ...t....t.....;_.....--l.............g_.....I......I.............g..I......:......I......__I_..3--...--I.......t......t.....

i IC 107:17*1910606 IDZ ! 8" ? I 2 IFS t 7 ISOEFC71 173 e.05 IFILLETtH10-469 59.5 8 IBUTT IHEFCW !5 tC t 01070801:5063 IHS ! 1 1 I tFS I O ISOEFC72 !!.2.3 IWE I 11.5 I I i 1 IFS I O ISOEFC72 31-1.2.3 I O.25 tFILLETIHERCW 005 IC t 01070103:5063

                                                                                                            !HS I        14.5 t                  I           !

1 IFS t 8 ISOEPC72 31-10.11.12 3 0.05 IFILLETtHCRCW 225 IC !s01078 tot:5968 I O.05 IFILLETtHEACW T25 IC !'0 079t01:506! IHS t 14.5

1 I tFS t 8 ISOEPC72 !!-4.5.6 I i ISOEPC72 33-7,0.9 I 0.25 tFILLETtHERCW !:5 8C l'81070tol:506! IHS I 11.5 t 1 IFS I O 6 ! 5.5 8 O.25 IFILLETtHEECW 75 tC t<01078101 *06! IHS t 1 tFS ! O ISOEPC72 82-1.2.3 I IHS I * *5. 8 1 IF S I O ISOEFC72 82-10.11.12 t 0.25 tFILLEftHERCW 705 !C featO79 tot *B68 8 ISOEFC72 12-4,5.S I O.05 tFILLET!HERCW !!5 IC isetO70!Ot *061 fHS 14.5 t 2 1 1 IFS I O IHS t 6 *5
8 1 !FS ! O ISOEFC72 82-7,0.9 1 0.25 (FILLET!HEACW !5 !C 1:01070 01 506! .

IC t<01078t01:586! tHS 8 11.5 i ! ! 1 IFS I e ISOEFC72 13-1.0.5 t 0.25 IFILLEftHEECW 705 I I ISOEFC70 83-10,11.12 0.05 IFILLETtHEACW 325 IC 3s81070801:5063 IHS t 14.5 .

 ! !FS   t  8                             1
                                                                                                            !HS      '

14.5 I ! ! I IFS I O ISOEFC72 15-4.5.6 I O.25 !FILLETtHEACW 205 IC I<0107080!!!O6 tC l'0107810:25068 !HS I 11.5 ! ! !

 ! IFS   I  O    ISDEFC72 13-7,0.9        I    O.05 ! FILLET!HERCW 325                                                                           i           *
                                          !    O.25 IFILLET!HEACW !:5         !C t<01070100!O6!             IHS    I     11.5    t I tFS   t  8    tSOEPC72 14-1.2.!                                            tC !<01079801:50$!            IHS      I   11.5    8               '

t 1 IFS t e ISOEFC72 14-10,11,12 I O.05 ! FILLET!HERCW !S ! t IFS t 8 ISOEPC72 84-4.5.6 I O.25 IFILLETtHERCW ! 5 1C t<01070!O1:5861 tHS I 11.5 1 1 1 tFS t 0 ISOEFC72 14-7.0.9 3 0.25 IFILLET!HERCW 75 IC t.01070101:596 INS I 11.5 I I i IC !<0167080126061 tHS I 24 I I t 1 IFS ! O ISOEFC72 IA1.2.Bt.2 ! O.25 IFILLET!HERCW 205 t I

                 !SOEFC72 lA1.2.Bl.0,C.D I     O.25 IFLARE IHERCW 305         IC   !<01070!OI:606f          IMS      !                     76 I i IFS   !  0                                                                                               IHS 1           12 1                             I I IFS   I  O    ISDEFC72 IC.D            I    O.25 IFILLET!HERCW !5          tC  l'OtO708010606
                                                                                                                                  !           6 I 4

I 1 1FS I O ISOEFC72 !El-1.2 1 0.25 IFLAAE !HERCW !5 C !:0107910106068 tHS ! I IFS I P ISOEFC72 IEl-3 1 0.25 tFILLEftHERCW !5 IC !!0107810106061 IHS ! 6 I 1. IC 8 r,0107910 3 ~606 3 !HS I I 6 t i 1 IFS t 0 ISOEFC72 IE2-1.2 I O.05 IFLARE !HERCW 725 t t 0.25 IFILLETtHERCW 325 IC 1*810788012606! IHS t 6 I 1 IFS Ie ISOEPC72 IE2-3 3 I 6 I I i O.05 1 FLARE IHERCW !5 tC !<030791010606 IHS i I tFS t 0 tSOEFC72 IE3-1.2 IHS ! 6 ! I t I IFS ! O ISOEFC72 IE3-3 3 0.25 IFILLETIHERCW 725 IC !'0107030 2606! IC l'Olo79 tot 26068 tHS I 6 i !- t tFS I O ISOEFC72 IE4-1.2 8 0.05 IFLAEE IHERCW !5 6 8 8 I O.05 IFILLETtHERCW !:5 IC : :01070 tot:6061 IHS 1 4 5 1 IFS I O !SOEFC72 IE4-3 ! 40 t t i O.25 tFLAGE tHERCW !32 IC 304!O771012606t tWE I 1 IFS ! 9 ISOEFC73 IA.B.C.D IWE I 24 I t 8 t IFS I 9 I SOCFt73 IA.B.C.D-B I O.25 IFILLETtHERCW !!! tC 104:07710 2606! 24 8 I ! O.25 3FILLETtHERCW !!: IC 804:0?71010606 IWE I 8 IFS t 9 ISOEFC73 IA.C-7

tWE I 12 ! ! !

I tFS 8 9 ISOEFC73 IB.D-T I O.05 IFILLETtHERCW O!2 BC 304!O7710106061

                                                                                                            !WE I                          44 1              1
 ! IPS     I 9   ISOEFC73 tCOR 1 N.F      t    0.25 tFILLETtHERCW !!2         tC IO4!O77 tot 606 1

t 44 i ! 0.05 IFILLETtHERCW 300 tC lO4?O77 tot:LJ68 !WE 1 IFS I 9 ISOEPC73 tCOR 2 N.F 1 IWE I 44 2 1

 ! IFS    I  9   ISOEFC73 ICOR 3 N,F      t    0.05 IFILLETtHERCW !!2         !C 10470771012606!                                  t-t        44 I              I t                                   IC 104507730126061            tWE 1 tPS   I  9    ISOEPC73 ICOR 4 N.F           0.05 tFILLET HEECW !!
                                                                                                            !WE 1 24 1              1 I IFS   t  9    ISOEFC73 IEI.2.3.4       8           IFLARE !HEECW !!:       1C 304 07720106063                                  1 1 IPS   I  9    ISOEPC73 IES.2.5.4       8    0.25 IFILLETtHEFCW !!!         IC  104:07710126063            IWE    3      24     .

O ! !!O ISOEFC74 8 F AC6 AGE DAOFFED FROM REINSF ECTION-NODIFICATION STIL L IN FROGFESS I tC !*115701010106! IDZ t I 2" . O ICTS 111 ISOEPC75 tAl.2.!.4 NK 9At O.!75 IFILLET!40Nt!Ot.04 IC !? 11579301:1861 IDZ ! 15 8 5 I t O 2 CTS !!! ISOEPC75 IA1.2.3.4 NM29Bt O.!75 IFILLEft48Nt!Ot.04 (C t<t1579101:1961 IDZ _0 t I ! O (CTS 11t ISOEPC75 191.2.5.4 Nt 9Ato.1975 IFILLEft40Nt!Ot.04 FAGE 6

O

[ i \m_ U7- *6 TAPLE 4 . 4 teDOFG C=LONSI:H*Nto

tetDS= DUCT SFT STRUCTURAL WELDING t e el Al=ACCEF T PV INSO FS= FIFE SFT A2= ACCEPT PV CALC

C9= CONDUIT SFT RE IN5FECT ION DA TA A?=INACCESSIPLE CTS =CAPLE TRAY SFT R =FEJECT i IS=1NSTRUMENT SFT SEQUOYAH NUCLEAR FtANT NW=HO WEL D MISC = MISC STL X = INACCESSIM STRU=STRUCT STL tORIG !RE- 1 l 8 WELD: ilNSFT ttNSFT :

WELD 6ESLtT-t Its IPACH 4889

! : DES : : I t SIZE t WELD ! tORG:DATE :DATE I IEXAMI---------------------------- ! UNTtte) : ITEM FACIAGE ! WELD NUMBER I (tN) 1 T YF E IDRAWING tao t(*>:MMDDYY:FMCDYY: COMMENT IPY 8 Al : A2 A! b , ___:____:______:________1______________!_______!______!_____________t___:_____.:______!________!____:_______:______t._____:_____ 3

        .O : CTS 111       :SOEFC75 191.2.3.4 ME290:9.1875 FILLET 24ent!Ot.04              tC   !.11579010106              :DZ t            0 t

i 0 : CTS 111 :SOEFC75 !C1 m 29A10.1975 !F t LL ET t 40N!!O t .04 C ! 185'*:0101961 IDZ t 2 1 : :

O CTS til ISOEFC7 !CI N629940.1875 tFILLETt48N1501.04 !C 1 1157*!O1:3P6! 102 3 2 : o : CTS 111 ISOEFC75 IC2 Mt29410.1975 1FILLETI40N!!Ot.04 !C t'1157*:010106! IDI : 2 3 3 ! u : CTS 211 ISOEFC75 :C2 NF29H10.1975 IFILLEft40Nt!Ot.04 tC ! 1157*:01:1H6: IDI I O ' O ! CTS 811 SOEFC75 IC3 MV29Ato.1975 8 FILLET:49N1?OI.v4 BC t.115?9:010:06 DZ t 2 8 . t l O tCTS ist I SOEF C75 IC NL290:0.1875 1 FILLET 140Nt!Ot.04 tC 1'1157*:01:196: !DZ ! 3.5 : n.! ! O ! CTS tit :SOEFC75 IC4 ML29Ato.1875 IFILLEft40Nt!Ot.04 C .:11579*0101961 10 3 . O : O l CTS til 8SOEFC75 IC4 MV299:0.1875 ! FILLET!4BNt!Ot.04 :C 11570:01:1e6! IDZ t : I : :

DS :10 ISOEFC76 IAt t 0.25 IFILLET!47A055-!5 :C intOO79:0!OO86tVAR O*5 IWE t 9 8 8 :

O :DS 112 ISCEFC76 IAto I l BUTT 847A055-!5 tC tito079 tot 2006: VAR 055 tWE : I 5.25 : 1 2 :DS :10 :SOEFC76 8A2 I O.25 tFILLETt47A055-05 IC l110979:Ot:006tVAR 055 IWE I 2. 5 I : I 2 tDS 112 ISOEFC76 !A3 8 0.05 IFILLET:47A055-!5 :C titOO70:0100061 VAR 055 !WE i : 7.5 . t

!DS 88 ISOEFC76 IA4 i O.25 IFILLEft47A055-!5 :C titoe791010606: VAR 055 :WE :

6.5 : :

0 !DS 12 ISOEFC76 IA5 t 0.25 IFILLET147A055-!S IC !!!O97910100061 VAR 055 IWE : 6.5 8 : 1 2 :DS II ISOEFC76 IA6 1 0.25 ! FILLET!47A055-!5 IC 1119879 tot:006tVAR 055 tWE 8 2.5 I ! ! 2 IDS 110 ISOEFC76 IA7 I O.25 IFILLETl47AO55 ~5 !C 1110079:012606IVAR G55 tWE I 6.5 3 8 8 0 IDS 110 :SOEFC76 A9 ! O.25 ' FILLET!47A055-!5 :C titOG791010006: VAR 055 :WE : 0.75 : ! I i : :DS 112 ISCEFC76 1A9 I a.25 IFILLEft47A055-!5 :C :1 toe 79lO10006tVAR 055 IWE t ! 2.7s . .

!        0 :DS 110           SOEFC76 l0               t         1&UTT    847A055-!5       IC !!!O9'9 tot 2OO6tvAR 055 fWE I               17 3           :

O DS :12 :SOEFC76 801 1 0.25 tFtLLETt47A055-!5 C IttA079:OtOne6tVAR 955 IWE I 8 7 :

O :DS 812 :SOEFC76 fB2 I O.25 IFILLEft47A055-!5 iC tt10079:01:006:UAR 055 WE I 7 8 1 8 2 :DS 112 ISCEFC76 1C i O.125 tFILLETt47A055-!5 :C :110879:012OO6: VAR 055 tWE I 11 ! ! 8 l 0 !DS :12 ISOEFC76 ID 1 0.825 IFILLETl47A055-35 !C 18tOO79:Cl2906: VAR O*5 tWE I 11 I I I l 2 IDS 110 :SOEFC76 IEt t 0.25 IFILLET!47A055-!5 C llOO79:612006: VAR 055 tWE ! ! 5.05 ' 1 2 :DS 112 !SOEPC76 tE2 i O.25 IFILLET147A055-!5 1C !1tOB79:01:006tVAR 055 IWE t 5.05 I i ! 2 :DS ft2 ISOEPC76 IFt i O.25 IFILLETt47A055-!5 !C IllOO79:Ot:0062 VAR 055 lWE I : 5.25 : 0 tDS !!2 ISOEFC76 !F2 8 0.25 tFILLETt47A055-!5 IC attO979:01:006: VAR 055 :WE 8 5.25 3 8 8

!DS 12 ISCEFC76 IG t 0.125 ! FILLET:47A055-!5 IC e llOO70!O12OO6 tVAR OSS IWE I 11 : . :

1 2 ! CTS It! :SOEFC77 lA 42-4580.8075 ! FILLET!48N150s.5 !C 8072977:011706 WE I 16 I 1 3 2 : CTS It! ISOEFC77 IA 46-d580.1975 IFILLEYt48NISOt.5 !C 10'2977:0 17061 IWE I 16 1 1 0 : CTS 383 ISOEFC77 1A 49-1580.1C75 IFILLETt49N1501.5 IC 10729771011786: tWE I 16 1 1 : 2 ICTS it! :SOEFC77 IB 42-458 0.125 IFILLET!40Nt*01.5 :C 1072*7710117061 IMS I O i :

2 : CTS 113 :SOEPC77 !B 46-458 0.125 !FtLLET!48Nt:01.5 :C 2072977t018706: HS I 6 8 8 8 0 : CTS 13 ISOEFC77 IB 49-158 0.125 IFILLETI40Nt*01.5 :C 10?:*77:0117061 !HS 1 6 8 : I O l CTS !!3 SOEFC77 BC 42-458 0.125 :FILLETl4BN1501.5 :C 307297710117868 IWE t 6 : ! 3 2 : CTS tt! SOEFC77 IC 46-451 0.125 IFILLETt40N1501.5 !C 107297710!!7861 IWE I 6 : !

O ICTS 813 ISOEFC77 IC 49-158 0.125 IFILLEft48NISOt.5 tC 1"?2977:011786: !WE t 6 1 ! a 2 ICTS it! EDEFC77 ID 42-45 0.125 IFILLETt4BN1501.5 :C 1970*77:e117961 IHS t 6 : 8 0 fCTS 13 ISOEFC77 ID 46-458 v.125 # FILLET!40N1501.5 :C :072977:0117963 :HS I s i O : CTS !!3 ISOEFC77 1D 49-138 0.125 !FILLETt48Nt501.5 C lO72*77:0117868 IHS I I :: : 2 : CTS 813 ISOEFC77 !El.E2 42-4580.1875 IFFEVELI40N1501.5 IC 2072977!O117868 IWE t 4 3 1 1 2 ICTS It! ISOEFC77 IEt,E2 46-4510.1875 IFPEVELI40N1*01.5 tC !O72977:9tt'P6: tWE t 4 I t t RAAF 7 i

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%'                                                                           % ./                                                                          Qj n        .r-86 T A PLE           4    4 islOEL: CACO %fsNda"$5 ST RUCT UF A L                  W EL D I ts G                           i s t ) A t =ACCCF T PY jfFO (m*DS= DUCT SFT F S*F IF E SF T                                                                                                          A2=ACCEFT 19 r At t CS=CONDU!T SFT                               A E IN SF ECT I ON                   DA T A                                  A!=INACCES5! fit CTS =CAPLE TEAv SFT                                                                                                      9 -5EJELT IS= INSTRUMENT SFT                                      SEOUOYAH NUCLEAA FLANT                                           NWaNO WELD MISC = MISC STL                                                                                                           x = INACCE?!!PL E STRU=STRUCT STL                                                                            l ORIG    lFE-     l l WELD                                       : !NSF T

I NSF T : : : WEL D F E S't 1 - L I N INCH ****

DES : : 1 : SIZE : WELD 2 lORG:DATE IDATE : lEMAM:----------------------------

TYFE IDRAWING NO c o n :MMDDYv t MMDDvv COMMENT lBY : At A2

A! E UNT: (m) : ITEM FACIAGE : WELD NUMPER I (IN) .

___:.__-:._-_-___...._-:_____---_-___-:._-.__.:____-_:--.._.-_.-__;..._---__:_-----:________--__3..__---:-------:-----:--_-- 49-15:0.4875 FEEVEL:48N15'1.5 :C 10'0077:011786: :WC : 4 * *

2 CTS tt! iSOEFC77 lEl.E2 O l CTS it! TSOEFC77 tF1.F2 42-45:0.1875 lFBEVEL:48N1501.5 :C lO72977:081786: HS : 4 . .

CTS tt! I SOEF C77 lF1.FO 46-4510.1875 #FEEVELt48N1501.5 iC 2072977:011785: HS . 4 :

0 ! CTS :17 I SOEF C77 !F1.F 49-15:0,1075 !FEEVELl48N!*01.5 :C lO72977:011786: fHS : 4 . ! O ICTS :14 ISCEFC70 :A1 t 0.25 FILLET 48N1000 !C lO09279!n11986: lHS ! 6.5 *

O2v079:011086: HS : :M :

O : CTS :14 lSOEFC78 1A2 : 0.25 l FILLET 48N1!00 :C 1 O l CTS :14 :SOEFC78 lA3 I o.25 FILLET:48N1!:0 !C !O00079:011986: HS : 6.5 : l

SOEFC78 !A4 0.25 l FILLET 48N1720 C !O2OO79!011986! fHS : : X :

0 : CTS 114 1 02OO79:n11986: : O l CTS 114 lSOEFC70 :Pt 0.25 lFILLETt48Nt!OO C :HS : : :Y C lO06079:6119861 HS 4.5 ! : O l CTS 384 :SQEFC70 102 O.25 trlLLET:48N1 00 . O CTS 184 SOEFC78 IB3 : 0.25 IFILLET:48N!!20 C 1020079:0119861 !HS : 6.5 : : : O CTS 114 ! SOEF C78 104 i O.25 : FILLET 48N!!!O IC !OOO279:n!!986! !HS '

                                                                                                                                                !            :X       .

O : CTS !!4 ISOEFC78 :C1 I O.05 lFILLETt4eN1?O2 C 1020070:011986: HS : : :r lSOEFC78 C2 i O.05 ! FILLET:48N!!O2 C 202007'#:018986 !HS : 4.5 ! ! O l CTS 114

                                                                                           ;C l000279011986:                  HS          6.5 !                       :

O : CTS :14 ISOEFC78 !C3 : 0.25 l FILLET:48N!!:2 e O.25 FILLET 48N!!20 C !O20079:0!!986! !HS : 4.5 : ! O l CTS :14 SOEFC78 :C4 I O l CTS 114 ISOEFC78 :D1 1 0.05 l FILLET:48N1?22 lC 8000079:011986: HS : 6.5 : O : CTS 114 lSOEFC78 ID2 : 0.05 l FILLET 148N1!!O C lO20079:011986: lHS : 4.5 : : ISOEFC78 :D3 i O.25 IFILLETt48N!!O2 IC ln00279:011086: !HS I 6.5 : e ! O CTS l14

C 026279;'!!986: fHS ! : lK :

O : CTS 114 !SOEFC78 :D4 1 0.05 IFILLET!48N!! 0 *

O : CTS !!4 SOEFC70 IEt : 0.25 : FILLET:48N1:02 :C 1000079 011986: lWE 4 :

O ICTS 814 lSOEFC70 lE2 0.25 l FILLET 148N1720 !C :020079:011986: WE : : 2.75 : O CTS l14 iSOEFC78 IE3 : 0.05 IFILLET!48N1000 :C :020070:011986: lWE 4 !

i O.05 IFILLET 48N1722 :C lO20279:011986: iWE : : 0.75 :

O CTS !!4 :SOEFC78 IE4 . O CTS 14 I SOEF-C 70 F1 : 0.05 l FILLET!48N1:00 :C 1020079:0110863 lWE : 1 :N lC l000279:011986: WE 4 : : O l CTS l14 :SOEFC78 lF2 6.25 ! FILLET 48N!!OO O : CTS t!4 ISOEFC70 IF3 : 0.25 ! FILLET:48N1?O2 C :000079:011986l (WE : i .. s O ICTS 114 :SOEFC78 lF4 : 0.25 FILLET 148N1722 :C l000279:0189861 :WE : 4 I O : CTS !!4 ISOEFC78 tGI i O.775 FILLET 48N1722 C 10000791011986: !WE : 4.5 : : : O l CTS 114 lSOEFC78 G2 i O.375 : FILLET:48N!!20 iC lO00079:011986: lWE . 10.5 : : ! O l CTS !!4 :SOEFC78 !G3 1 0.075 FILLET!48N!!OO lC !OOOO?O:011*?6: !WE : : 4.5 C l006070:011986: WE : 12.5 : : O : CTS !!4 ISOEFC78 IG4 1 0.!75 lFILLETt48N1?OO

f O ICTS l14 ISOEFC78 lH1 1 0.05 l FILLET:48N!!20 :C to OO79101108St lWE : 0.75 .

ISOEFC78 lH2 : 0.25 FILLET:48N1720 :C 8020279:011986: lWE : 2.75 f : O l CTS :14

O : CTS 814 ISOEFC70 lH3 1 0.25 FILLET:48N!!O2 :C l000079 0119861 :WE : 2.75 : 4 0.25 l FILLET:48N1722 lC 2000079:011986 !WE : : X :

0 ! CTS l14 ISOEFC70 fH4 : O : CTS 114 :SOEFC78 111 s 0.05 l FILLET:48Hi!O2 !C 1620279:011986: WE : 2.7s . ISOEFC78 !!2 n.25 :F!tLET 48N1702 !C 1000079:0t!986: lWE ' O. 75 i ! O l CTS !!4 8 O l CTS ;14 : SOEF C70 !!! 0.05 FILLETt48Nt!!! lC 1926070:011986: lWE O : CTS :14 ISOEFC78 lI4 I O.05 FILLET!48Ni!!2 :C :020279:011986! !WE : lE O l CTS 14 SOEFC78 IJ t : PUTT 4eN1 02 :C 1n200'9:011986: :WE . ! :

BUTT !48N1?OO lC lO20079011986: :WE ! : X !

O CTS 114 ISOEFC70 lK a O l CTS :14 ISOEFC78 IL ' I P'JT T 148Ht!OO :C l00607910119"4: tWE : ! :I FAGE 8

                                                                                                                                                   .1
  #*%                                                                                                                                      i
                                                              \                                                                         d o'     --86 TABLE            *. 4
                                                                                                   ' I e D OFG C= CONS T N*NtX F F tetDS= DUCT SF T                      5YRUCTURAL                  W ELDING                            testAl=ACCEFT BY INSF FS FISE SFT                                   .

A;eACCEPT Ff C Al f. CS= CONDUIT SPT . R E INSPECT I ON DA T A A!=!NACCFS$tbtf. CTS =CAPLE TEAY SFT R =hEJECT ISalNSTPUMENT SPT SEOUOYAH NUCLEAR FLANT NW.NO WELD MISC = MISC STL .X = INACCESSIPLE-STRU=STRUCT STL ! ORIG tFE- !

                                       ! HELD t                                !!NEPT IINSFT !        !

WELD RESULT-LIN INCH test IDES
I I ! S!2E 8 WELD ! IORGIDATE !DATE I IErANt----------------------------

UNTItop 11 TEM IFACtAGE IWELD NUMBER ! t!N) ! TYF E ! DRAWING NO tiel!MMDDYYtMMDDYYtCOMMENT IPY 1 Al ! A2 I A! 1 R ---!----!------l--------l------------- *-------l---- -!-------------!---!-~~---t------!--------!----!-------!-------!------!-~~--' O ICTS 814 !SOEFC78 tM t IPUTT I48Nt!20 IC 10 00791011986 !WE 1 ! ! ! 1 !!S !!5 ISOEPC79 1A1.2.3.4 10.1567 IFILLFTt47W600-14 tC I 80119861 ICF i 16 I I i 1 !!S 115 ISOEPC79 1B1,0.7.4 10.156' 1FILLETl47W600-14 tC f 1011986: ICF 3 16 1 1 1 1 !!S !!5 ISOCPC79 !C1 1 0.25 IFILLET147W600-14 tC ! 10119861 !CF 1 : 10 ! !

 ! !!S 115        ISCEPC79 IDI        !   0. 5 SFILLET!47W600-14         !C 1          !0119061       ICF 1                3      to I 1 IFS !!6        !SOEPC00 1A1         t  9.25 ! FILLET!H10-494,496     1C !! 0876fo189863         '!WE       t      it t             .       I 1 IFS 116        ISOEFCOO IA2        1   0.05 IFILLETtH10-494,4*6       tC !!2687680119961           IHS     I      31               ,       t 1 IF S !!6       ISOEPC00 19          8  o.;5 IFILLET!H10-494,496      !C 11200761011986!            IWE     1      24 1             !       !

1 IFS 116 !SOEPC80 IC 1 0.05 IFILLET HtO-494.496 !C it O976!0119868 lHS ! 21 ! t i 1 IFS 117 ISOEPC01 1A t 0.25 IFILLET!Hto-561 !C 203:576!O11986! IWE i '6 ! I i 1 IPS !!7 ISOEPC81 IA1,4 3 0.05 IFILLET!HIO-56' IC 10:25763011986! IWE ! b2 i ! !

 ! !PS 817        ISOEPC81 IB             0.05 tFILLET!HIO-563          !C 803:57680119861           !WC             24 :             1       1 1 IPS 117        ISCEPC01 IB         I   0.05 IFILLETtHIO-561          tC 103:57610119861           tWE      I      *6 1

1 IFS 117 ISOEPC81 IC ! O.05 ! FILLET!HIO-563 !C 30:257680119861 !WC 8 21.5 3 8 1 1 IFS !!7 ISOEFC81 tC I 0.05 tFILLEftHIO-561 tC 107 5768011986! IWE '

76 : I t I tFS !!7 ISOEPCBI !D I O.25 tFILLETtHIO-561 IC IO!O57680119861 IWE . !6 I I I 1 IPS 117 ISOEPC81 ID t 0.25 tF!LLETtH10-563 IC 107:5762011086! !WE ! Ot.5 I I I 1 !PS 217 ISOEFCBS IE 10.1875 IFILLETtHtO-565 !C !O!05768011986! IWE ! 07 8 I i 1 IPS *17 ISOEFC81 !E CLIP 30.1075 IFILLET!Hto-561 !C to!:5761011986t !WE I 11 ! 1 !

 ! IFS 117        ISDEPC01 set,2      I   O.25 tFILLETtH10-561          tC 10:057620119861           !WE !        02.5 I             !       !

1 IPS 117 ISOEPC81 !E! 10.1875 IFILLETlH10-561 !C to3:576t0119868 tHS I 6 I I I I IFS !!7 ISOEPC01 !F ! O.05 IFILLEftHlo-561 *C 10! 57610119861 IHS I 65

I 1 IFS 117 !SOEPC81 IG 10.1875 IFILLET!H10-561 tC 80! 576:0!!9861 !HS ! 02 ! ! !

 ! !PS !!7        ISOEPC81 IG CLIP    10.1875 IFILLETtHtO-561           tC !O!:5761011986!           IHS             11 I            !       !

1 IFS 117 ISOEPC81 !H I 0.25 IFILLETtHlo-561 !C 107:576!O11986 !HS 1 65 t i ! 1 IFS !!7 ISOEPCOL II I O.05 SFILLET!H10-561 !C !^!O576 tot 1986t IHS

22.5 3 I !

1 IPS 117 ISOEPCB1 IJ t 0.05 IFILLET!HIO-561 tC 207057630119868 IHS ! 59 ! 1 1 IPS 117 ISOEPCet IJ1 10.1975 IFILLET!H10-561 IC 103:57680119868 IMS I 6! I i t IFS 817 ISQEPC81 IV I O.25 IFILLET!HIO-561 !C 10!?57630189868 lHS ! !! ! ! . I IPS 117 ISOEFC81 IL I O.25 IFILLEftHlo-561 IC 10!O576 tot 1986 IHS t 65 I t ! 1 !PS 117 ISOEPC81 iM I O.25 IFILLEftHto-568 IC 303057610119861 IHS ! 20 t i 1 1 IPS 817 ISDEPCBI IN I 0.25 !FILLETtHto-561 8C 10!!5761011986 IHS I 20 t t I 1 IPS 117 ISDEPC81 10 t 9.25 IFILLEftHlo-561 tC 207:5761011986! IHS t 20 t : I 1 IPS !!7 ISOEPC01 IP I 0.25 IFILLEftHlo-561 !C 10!257630119861 IHS ! 20 t ! ! 1 ISTRuttB ISOEPCO2 IA I O.25 IFILLETt48Wl:27-0 IC 204 57910121861 tWE 19 3 3 e 1 ISTRutte ISOEPC82 IAA 10.3875 tFILLETt40W1227-2 IC 3045791010!861 tHS ! ! 13 ! 1 ISTRutl8 ISOEPCO2 IB t 0.25 !FILLETf48W1007-0 IC !O4:5798010106 !WE I 5.7s. .8 . : 1 ISTRUt18 ISOEPC82 308 10.1875 !FILLEft48W1227-0 IC IO82579tet !861 !HS ! 19 I . I 1 ISTRutte ISCEPC82 !C t 0.25 IFILLET!48W1027-0 tC 104:579101:0861 IWE ! 5.75 t OB

1 1 ISTRutte ISOEPCO2 !CC 10.1875 tFILLET148W107-2 IC !O4057980127861 tHS 10 . : 1 1 ISTRUtt0 ISOEPCO2 ID t e.25 tFILLEft40Wl:27-2 !C IO4:57'3012036! IWE t 5.75 1 28 8 !

1 ISTRutt8 ISOEPC82 IDD 10.1975 IFILLET!40W1027-2 !C 1040579101 !861 IHS I 9 3 1 1 ISTRutt8 ISOEPC82 1E 1 -0.25 IFILLEft40W1 07-0 IC 304:57'1612006t IWE ! !!.75 t ! PAGE 9 l

    -~. -                    .

D' r-86 I T ABL E *. 4 deIDFG:C=CONST He rsLO ' totDS= DUCT SPT S T R U C-T U R A L WELD ING E*8DAl=ACCEFT PV-INiF PS=F IF E SFT A =ACCEFT Pv CALC CS=CONDu!T SFT RE IN5P ECT I0N DA T A AT=INACCESStFLE j CTS

CABLE TRAv SFT R =FEJECT IS*!NSTRUMENT SPT SEOUOY AH NUCLE AR F L AN T NW=NO WELD

] M = INACCESSIPLE N!SC= MISC STL 'l STFU*STRUCT STL TORIG IFE- 1 I WELD t itN9FT !NSFT t ! l WELD RESULT-LIN I NCH te8D

DES I i 1 1 SIZE I WELD t TORGiDATE IDATE : lErANt----------------------------

UNTif4) !! TEM lFACFAGE IWELD NUMBER ! t!NI t TvFE : DRAWING NO testINMDDYY:MMDDYY: COMMENT IPY t At 1 AO '

A! : R ___.._;____...g......;._.........._3...g...... ......;-_-_....;... g.......;..----.;...... ---..

          -._: ...g......:.......         3_ .....

SOEFC82 *EE 80.1875 ! FILLET:48W1207-0 :C 304:5791010!86: tHS I 9 8 ? t ISTFUt 0 : 1 ISTRU:te ISOEFCO2 IF 10.1875 tFILLET;48Wl:27-0 :C lO4 579801:206! IWE I 07 : 13.5 i 20.1875 lFILLETt4ews;7-2 :C 104:579:010!86! IHS I 6 1 ! I i tSTRU 18 ISOEFC82 IFF . 1 STRU:te tSOEFC8 iG f 0.05 ! FILLET!48W1207-0 tC 104:57910100861 :WE 8 10.75 : ISOEFCO2 #GG 10.3875 IFILLETt48Wl:27-0 :C 104:579:012:06: :HS ! 7

I

            !  :STRu!18

ISOEFC82 fH1 I O.25 tFILLETt40W1:07-2 tC !^4:579:01:006f IWE I 9 : ?

I tSTRUttB : ISOEPC82 lH 0.25 IFILLET!48Wl:27-0 fC 104:579101:2868 IWE : 9 I t 1 lSTRU118 1 1 !STRUtt8 SOEFC82 !HH 1,2,4-8 4 0.25 tFILLET!48Wl27-0 IC 104:5791000696: ICF ! . 1 ICF 7.5 : I ? 1 !STRutt8 ISOEPC82 !HH3 I O.25 IFILLET:48W1027-0 IC 1642579:000686: 1 0.25 ! FILLET 148Wi"O7-2 !C 304:5793010006: lWE 9 3 : i I :STRU:18 !SOEPCO2 IJE t 1 ' :C !O4:5791010:06! IWE t 9 : : 1 :STRUtt0 ISOEFC82 IJ2 I O.05 l FILLET 148W1207-2 .

                                                                                                                            !WE           9 8                    :

1 STRU:18 ISOEPCB: !MI i O.05 IFILLET!48W1227-2 !C 10425793012068 1 O.05 tFILLET:48W1:27-2 IC :04:579:010:06! tWE t 9 : 1 :STRU:tB iSOEPCO2 tK2 I ISOEFCO2 !L1 0.25 IFILLET 40W1:27-0 !C 1040579:01:006: :WE I i 1.05 3 8 1 ISTRuttB 1 I 1 :STRU:18 ISOEPC82 ILO t 0.05 !FILLETt48Wl:!7-2 1C 104:579 01:2063 tWE ! ! IN O.25 IFILLETt40W1007-0 tC 104:57910122861 IWE : 9 : ! I ISTRU!!8 :SOEPCO2 IMt ! i :C IO4:5791010086: IWE I

I : I 1 ISTRutte ISOEFC82 IN2 O.25 trILLETt48Wl:27-2 ISOEPCO2 INI t 0.25 1 FILLET!40W1027-2 IC 104:579:012:06! IWE I ! 3I t 1 ISTRut18 i i C 104:5791010006: tWE I 3 I t t : STRUT 0 ISOEPCO2 IN2 O.25 IFILLEft48Wl:27-2 ISOEFCO2 10 I n.25 IFILLETt48W1027-2 tC 104:57910122861 IWE I t 9 8 9 1 tSTRutt8 I 1 ISTRutt8 tSOEPC82 1P 80.1875 IFILLETt48W1007-2 IC 104:57910170861 IWE I 12 8 !

10.1875 IFILLET!48WlO 7-2 IC IO40579tet:2861 tWE : 12 1 i I 1 ISTRUltB ISOEFC82 to 10.1975 IFILLETt40Wl:27-0 IC IO4:579:Ot:206l IWE ! :o I I t 1 *STRuttB ISOEFCO2 tR i 30.1875 IFILLET!48W1227-0 tC 104:5798010!861 IWE I to I t 1 ISTRUlt8 ISOEFC82 IS 10.8875 IFILLETt48W1 27-2 tC 304:5798n12!861 IWE' 8 In i I i I ISTRuttB ISOEFC82 IT ISOEPCO2 tU 10.1975 1FILLETt48W1:27-2 tC 304:579801:1868 IHS I 20 t t i t ISTRU 18 1 lSTRu!!O ISOEPC82 !V 10.1975 !FILLFTt48W1207-2 IC 104:579:012786; lHS 1 I 10.5

1 IHS ! : 3.5 I I 1 ISTRutt0 ISOEFC82 IW !O.1875 IF!LLETt49W1227-2 !C 204057910127868 i ISTRut:0 ISOEPC82 IX 10.1975 IFILLET540W1227-2 IC 10405791012796 IHS 1 I *!

1 ISTRU:18 ISOEFCO2 tY 10.1975 IFILLET!40W1027-0 !C 104257910127863 IMS 1 I to.5 3 1 l fMS 1 20 1 ISTRut:0 ISOEFCO2 12 10.1975 IFILLETt40W1:07-2 :C 304:579101 *061 1 1 j t IPS 819- I ISOEPC83 IA1,2,3,4 i O.25 !FILLETI47A057-19,28 1C 106107710117868 ICF ! 6 i 6 I 10.1975 tr1LLETt47A053-19,28 IC 106107710117863 ICF 1 0 1 O* I 1 IFS 119- 1 SOEPCO3 191,2

                                                          !  O.25 !FILLETf47A053-19,28 IC           lO61077:011786:          ICF  t       3 :             :      1 i          1   IFS    l19- 2   ISOEPC83 tat 0.25 IFILLETt47A05!-19.08 3C 10612771011786!                      CF :       0   .           !      :

< 1 IFS !!9- 2 ISOEPC83 lA2 1

CF ! :

t IFS 119- 2 ISOEFCO3 IA3 I O.25 ! FILLET!47A053-19.08 IC !^6107730117868 ! : 0.05 tFILLEft47A055-19.08 :C !O61277:0117861 CF t 3 1 : ] 1 :FS :19- 2 :SOEPCO3 IA4 5 I lFS 119- 2 ISOEPC83 181 10.1975 IF!LLETI47A057-19.28 tC 1061077:011786! ICF 1 2 '

                                                                                                                                    !         !      O           !

1 IFS l19- 2 ISCEPC07 102 10.1875 1 FILLET!47A053-19.08 IC 106107710 1706! lCF l lFS 819- 3 :SOEFCO3 IA1.2.3.4 I O.25 ! FILLET t 47A057-19 TO IC 20610'780317861 :CF t 10

2 1 ICF ' '

10.1975 FILLETt47A053-19,08 IC lO61277 013796! t 4 ' 1 iPS 119- 3 :SOEPC83 !PI,2

19- 4 ISOEPC83 1A1,2,3,4 I U.25 IFILLEft474053-19,28 C !O61277:081786: ICF ! 8 : :

1 IFS : ! 1 IFS :19- 5 ISOEPCO3 lAl.2.3,4 i O.25 IFILLET:47A057-19.08 tC 1061277!O117961 ICF I 10 t ' l. { FAGE to i

--m

/m\ /m i

                                                                                                                                                                 /m   s
                                                                              ,l                                                                                    ,

07 -86 TABLE 4 . 4 ( e > 0RG s C = CONS T N= "UC ' 8' te>DS= DUCT SF T ST R UCT URA L W ELD ! NG t e t) At =ACCEF T BY INN F S= FIFE SF T A:=ACCEFT By CALC C3=CONDutT SFT R E I N SP ECT I ON DA T A A!=1NACCESSIELE CTS = CABLE TEAY SFT R =AEJCCT IS= INSTRUMENT SFT SEOUOYAH NUCLEAR PLANT NW=NO WELD MISC = MISC STL x = INACCESSIBLt STRU=STRUCT STL ORIG lEE- :

WELD : 11NSF T !!NSFT : : WELD GESULT-LIN INCH see)

DES ! : : : SIZE : WELD . :OAG:DATE :DATE . : EXAM:----------------------------

UNT: te) ITEM FACPAGE l WELD NUMBER (IN) : TvF E : DRAWING NO ltel:MMDDYY:MMDDYY: COMMENT lBY : At . A0 A! : A ___:_.-.:----..:._...._3....___....._g._...._:_...._:....__......:...:_.-..:....._;-__~_.._g....:-__.___:.......-_-._:--... t lFS l19- 5 lSOEFC83 lBI l0.1875 TFILLET!47A057-19.08 :C 1061077:011786: :CF : 4 2 : 1 :FS :19- 5 ISOEFC83 102 10.1875 l FILLET!47A053-19.08 C 1061077:01178S: :CF O : : 1 IFS :19- 6 SOEFC83 lAt 0.25 IFILLETl47A057-19.08 :C :061077:011886: :CF 1 O l 8 : . t :FS 119- 6 SOEFC03 !A2 0.05 IFILLET:47A057-19.28 C :961077:011986: :CF : ? l 1 IFS 219- 6 :SOEFC83 1A3 0.05 IFILLET:47A653-19.08 C 1061077:011886: :CF I : ? I lFS 119- 6 SOEF'C83 lA4 : 0.25 : FILLET:47A05!-19,28 !C !O61277:081996: CF O : I : : 1 lFS 19- 6 SOEFCO3 tB1,2 10.1875 ! FILLET:47A050-19.00 :C :061077:0118861 tCF : 4 : : FS it9- 7 : SOEF'CO 3 At 0.25 l FILLET!47A053-19.29 tC 1061077:0118961 :CF . 3 I . I 1 FS :19- 7 ISCEFCO3 IA2 i O.25 FILLET!47A057-19.08 C 1663077:0110861 fCF ' 2 ' 1 1 1 lFS l19- 7 SOEFC83 :43 i O.25 :FILLETt47A057-19.29 :C lO61077!O11886 tCF 3 : 1 IFS 119- 7 lSOEFC83 IA4 0.25 IFILLET:47AO!!-19.28 1C lO61277:^11686: CF : 2." ' o.. . t :FS 19- 7 ISOEFC83 IBt 10.1875 fFILLETt47A053-19,28 C IO61277 tot 1986: !CF :

1 lFS !!9- 7 :SOEFC83 102 l0.1875 F I Lt.E T : 47 A053 - 19. 08 :C :061277:011886: !CF : 2 : :

1 FS :19- 8 ISOEFC83 1A1,2 t o.25 l FILLET:47A053-19.28 lC lO612771011996! CF 1 6 : . ! 3 TFS :19- 8 lSOEFC83 !A! : 0.05 l FILLET:47AO!S-19.08 :C 1061077:011086: ICF t O : 1 . 1 FS :19- 8 SOEFCO3 lA4 1 0.05 l FILLET:47A053-19.28 !C 1061277:011896! :CF : 3 : 1 1 !FS 19- 8 ISOEPCB! lB1 :n.1975 FILLET:47A053-19.08 !C 1061077:011886: :CF : O . t :FS :19- 8 :SOEFC93 :B2 .1975 IFILLETt47A053-19.09 :C :061277:011996: :CF ' 2 . : 1 lFS :19- 9 ISOEFC87 tat THRU 8 . e.25 FILLETl47A057-19.08 :C 1061077:011806: CF 22 : . !

  !   F'S   :19- 9 ISOEFC83 101 THRU R            10.1875 l FILLET:47A057-19.28 :C           1061277:014806:              ICF :              22                 l        .

t :FS 119- 9 :SOEFCO3 C1 10.1875 FILLET 47A057-19.08 :C 061277:olle86: :CF ! O : : : 1 :FS 119- 9 :SOEFCO3 !C2 10.1875 l FILLET:47A053-19.08 :C lO61077:011886: :CF : 2 : . : 1 IFS 119-10 :SOEFCO3 lA1.0,7.4 1 0.05 FILLET 47A053-19.08 :C 1061077:011986: TCF . ! 10 !

1 lFS :19-10
SOEF C8 3 lB1 10.1975 ; FILLET 47A053-19.00 fC lO61277:011086: ICF ' 2 : . :

1 ;FS !!9-10 ISOEPC83 B2 10.5875 FILLET:47A05!-19.08 :C lO61277:011986: :CF ! O . 1 :F S :19-11 ISOEPC83 !At,2,3.4 0.05 iFILLET:47A053-19.08 :C !O61277:0!!986: lCF : ' 12 1 : 1 lFS !!9-11 SOEFCBT 101 10.1875 IFILLET147A053-19.08 :C lO61277:nt1986: ICF ! .. . 1 IFS !!9-11 ISCEFCB3 t02 19.1975 !FILLEft47A057-19.28 fC 1061077:018986: ICF O : : 1 IFS 19-12 ISOEFCO3 IAl.2.3.4 in.1875 FILLET 147A053-19.08 IC 1061277:011986: ICF 1 to . : . t IFS !!9-12 lSOEFCO3 :81,2 40.1875 tFILLET:47A05!-19.28 :C 1661077 011996: ICF 4 : : 1 IFS 119-15 :SOEFCO3 1A1,2,5,4 0.25 IFILLET!47A053-19.28 :C :0612771011986: ICF t . 3-1 FS 119-13 SOEF C83 101.2 10.3875 lFILLETl47A053-19,28 :C lO61277:0819861 :CF : 4 * : : 1 IFS 819-14 :SOEFC87 lA1,2,3,4 0.25 F1L LET :47A053-19.20 C 1061277:0119e6: ICF t ; la ? 1 lFS !!v-14 :SOEFCO3 IUt.2 0.1075 l FILLET:47A053-19.08 :C 1061077!O119861 :CF ! 4 ! : 1 lFS 120 :SOEFC84 lA1.2.3.4 ? O.25 sFILLET 47A053-10.t!6tC 1100877:011986: ICF 7.5 8.5 . I 1 lF S 100 ISOEFC84 101,2,3,4 20.1875 IFILLET:47A053-IO.136fC 11:0877:0119861 ICF : 8 a t t tFS !0 :SOEFC04 ICt 2,!.4 :0.1875 fFILLET147AO*!-10.t!6 C :100877!611996: ICF : 15 : : o : CTS :21 :SOEFC05 lA1.2.3.4 l0.1875 : FILLET!49N1! 2 :C

60579:011996: IDZ : 16 . : .

O l CTS :01 ISOEFCBS IBl.2.3 29.3875 l FILLET!4BN1722 :C : '69570 611986: :DZ ! 8 ' o : CTS :21 ISOEFC85 tC1,2,3.4

O.25 :rtLLET:48N1700 :C 60579:011986: :Dz : 9 : , .

O CTS l21 :SOESC85 :Dt.2,3,4 :0.1075 : FILLET!4BNt!22 lC .60*70:011986: :DZ : e ? O : CTS l21 :SOEFC85 :El.2,3 10.8875 tFILLET:49Nt!OO :C :*60579:011996: DZ ; 6 : : O ICTS 21 ISCEFCBS F,G,H,1 30,3875 trgttgy:48Nt!2 IC '60579:01190et :DZ : 8 4 fAGE 11

                             .m-N

] [

  ,       w         -e6                                                                                                                                             U 4

s TA ELE 4 . 4 (eIOFG:C=CDNST:N NOCF 6 (#SDS= DUCT SPT STMUCTUR AL WELD I N G tes)At=ACCEFT PV INCF FS=F IFE SF T A2.ACCEFT Of CALC CS=CONDu!T.SPT RE INSPEC7 ION 'DA TA A!=INACCESGIFtE CTS =CAPLE TAAY SFT R =EEJECT IS= INSTRUMENT SPT SEQUOYAH NUCLEAR FLANT NW=HO WELD MISC = MISC STL x = INACCESSIELE

 ,            STRU=STRUCT STL                                                                      :OR!G !RE-      I r

i WELD I !!NSFT !!NSPT : 1 ! WELD FESULT-LIN INCH toes DES i i I I SIZE ! WCLD 1 80RGlDATE :DATE . !ErAMI --------------------------- UNTI(#9 IITEM IFACVAGE IWELD NUN 6ER 1 flNa t TTFE IDRAWING NO 1te)!MMDDvYtMMDDvylCOMMENT !PY I At i A2 : At t R

          ---l----l------l--------l--------------l-------I------!-------------l---l------!------:--------!----8-------!-- ----:------!-----

O ICTS It ISOEFC85 IJ.V.L.M 30.1875 IFILLETt48Nt!22 IC tt6057910119e6i IDI : 8 : : : j u :PS 122-1 SOEFC86 ! A1,0. 3. 4 10.1975 l FILLET!47A053-98 IC IO!578:Oll?O6: IDZ ! 7 5 t

O 1FS 122-1 iSOEPC86 191.2,7.4 10.18?! tFILLET!47A053-88 tC 10! 5788011786: tDZ t 12 4 I t

. O :FS #22-1 !SOEPC86 1C1.2 80.8875 IFILLET:47A053-98 tC 8072578:0117868 IDZ ! 8 : ! ! ! O !FS 322-1 :SOEPC86 1D1.2 10.8875 tFILLET47A05!-98 :C 10 2578 0117061 #DZ t t 4 : 1 1 O lFS -122-2 tSOEPC86 ! A1,2,3. 4 10.1875 SFILLET!47A05!-93 !C lO! 578:0117861 102 t 7 ! 5 : : , O FS 322-2 ISOEPC86 IB1,2,3.4 10.1975 lFtLLETt47A05!-98 3C 107 578:0!!786 :DZ t 10 : : { O IFS 122-2 JSOEFC86 !C1,2 10.1875 l FILLET!47A053-98 :C !O! 5781011786: :DZ ! 8 : : I 0 IPS 822-2 ISOEPC86 IDt.2 10.1875 IFILLET:47A053 *8 C 10!578:0817861 !DZ : 4 i . ! O FS l20-3 ISOEPC86 !A1,2,3,4 10.1675 tFILLEY!47A05!-16 !C 307:578:0117861 :DZ ! 10 : : ! O IFS 122-! ISOEPC86 IPl.2 10.1875 IFILLETt47A050-16 :C to!2578:Ott786: !DZ t 4 1 ? : O IFS 800-4 :SOEFC86 IAI,2.3.4 10.1975 IFIL LET !*7A057-92 !C 10 25788011786: IDZ i 9 8 7 3 : O lFS 822-4 tSOEPC86 191.2 10.1975 ! FILLET!47A053-92 tC 807257810117861 IDI i 8.5 : : O IF S 122-4 ISOEPC86 ICt 2 to.1975FILLCT!47A053-92 tC 10!578:011786I IDZ t 4 : : : 2 IFS 823 ISOEPC87 IAI I O.25 IFILLET!HERCW-8 :C lO7147810117868 IWE ! ! 4 : 2 2 FS 123 ISOEPC07 1A2.3.4.5,6,7,88 0.25 lFILLEftHERCW-8 IC 1978478:0117861 tHS i 17.5 : ! I 2 IPS 123 ISOEPC87 IB ALL I O.25 f f'ILLET !HERCW-8 BC 10714781011786: !WE ! 22 : : 0 FPS 123 ISOEPC07 IC ALL I O.25 l FILLET!HERCW-8 !C IO71478tott7861 fHS ! 22 1 3 $ 2 IPS 123 ISCEPC07 101,2.4.5.6.8 i O.25 I F ILLE T ! HERCW-8 IC !O714781011786! IWE 1 19 ! ! 1 2 IFS 823 :SOEPC87 D!.D7 I O.25 ! FILLET!HERCW-8 !C 1071478:0817863 IMS t 6 3 1 2 IPS 32 ISOEPC87 lEt i O.25 IFILLETtHERCW-8 BC 107147810117861 tWE : ! 4 i :

PS 323 ISOEFC07 IE2,3,4,5,6.8 8 0.25 FILLET:HERCW-8 tC 8071478:0117863 IHS I 17 i ! 1 2:PS 12 ISOEPC87 IE7 I O.25 l FILLET:HERCW-8 :C 10714788011786: WE I I ! . ;

2 lFS 323 ;SOEPC07 IF ALL t 0.25 !FILLETHERCW-8 IC 3071478!O!!786: IHS I 22 i ! : 2 IPS 82! ISOEPC07 IG TOP ONLY t 0.25 IFILLEf t HERCW-8 IC 80784781011786t IWE t 4 : 1 I 2 IFS 123 ISOEPC07 IH TOP ONLY ! O.25 ! FILLET!HERCW-0 :C !O714781011786: lHS I 4 1 : 1 0 :DS 124 ISOEPCB8 IA ! O.25 l FILLET!47A055-155 IC !OS2379tott7861 tWE I 23 : . : 0 !DS 324 ISOEPC88 18 i O.25 IFILLET!47A055-155 IC 308:3798011786: IMS I 23 : ! ! O tDS 324 ISOEPC88 IC I O.25 IFILLET147A055-155 IC 10125791081786t IWE t 17 : : 3 0 tDS 824 :SOEPCOB ID f 0.25 IFILLET 47A055-135 IC 10127910 17861 IHS ' 17 I : : 0 !FS :25 ISOEPC89 I Al . 2. 2. 4 10.1875 1FILLETt47A41-7-! lC 311067730117861 :WE ! 16 i : : O IFS IOS ISOEPC99 891,2.3.4 10.1975 FILLET:47A4!1-7-! IC 881067710117861 tWE 8 16 : 1 ! 0 !FS 125 ISOEPC89 IC.D.E.F 4 10.1875 IFILLET147A431-7-! IC 111067710!!7861 IWE : t :r : O :FS 825 ISOEPC89 :C1,3 10.1875 l FILLET!47A431-7-3 :C 1110677:0117861 IWE : 2 I : ! O :PS 825 ISOEPC89 tCO 10.1875 tFILLET:47A4 1-7-7 C !!!o67719117863 IWE 3 01 I i O lrS 125 ISOEFC99 IDI,3 10.1875 IFILLET:47A431-7-! IC 3110677!O117861 !WE : 2 : : ! O lFS IOS ISOEFC89 ID2 10.1975 ! FILLET:47A4*t-7-! iC tit 0677:011786: IWC i ! . t 0 :PS 125 ISOEPC89 IEl.3 30.1975 IFILLET!47A431-7-! lC 8810677:0117861 IWE I 2: .I : O lFS 125 ISOEFC09 lE2 10.187* ! FILLET!47A4!1-7 * :C 11106??:018706: IWE 8 ! e 3 : O !FS 125 ISOEPC89 (F1.3 10.18'5 FILLET!47A401-7-! :C 211967710t1796: IWE t 2 2 1 3 0 FS 125 ISOEPCB9 LF2 10.1975 IFILLEft47A4 1-7-! :C :llO677tell7e6! iWE ! ! ! - 1 IPS 126 ISOEPC90 IA1,2,7.4 i O.25 IFILLCT!H65-487 !C 10:24?6!o81786: ICF I 24 8 2 8 1 !PS 826 ISOEPC90 IBt,! 3 0.25 IFILLETlH65-487 IC 2022476:081786: ICF 3 12 t : FAGE 12

 &                                                                                                                                                             n

[ \ /m

i

                                                                                                                                                             '        N

\ ) o- -86 T A PLE 4 . 4 (eIOGG C=CONST it u tWF 6 (m'DS= DUCT SFT S T RUC T UR A L W EL D I N6 tes>At=ACCtti P< tra a F S=FIF E SF T AO=ACEEFT E v C4t r CS=CONDUlf SFT R E I N SPECT I ON DA T A A!=INACCEtSIFtL CTS = CABLE TRAY SFT R =FEJECT IS= INSTRUMENT SFT SEQUOYAH NUCLEAR FLANT NW=NO WELD MISC = MISC STL X = I NAC CE S E ! EL E STFU=STRUCT STL : ORIG lAE- 1

                                                        ! WELD 1                                   ! !NSF T : !NSF T :     :          WELD FESUL T-L l4 INCH *ese

DES : 8 I t SIZE : WELD . !O6G:DATE :DATE : !ENAM;------------- ------- -----

UNT!(s) !! TEM lF ACt AGE IWELD NUMBER I (1N) I TYFE : DRAWING NO itet:FMCDYY:MFDDYY COMMENT 101 . At A: A 6

   ---g_...g___.       .t_....._.g......._...._.;.....           .: .__..;_..__..__....;.._;.___._:_._.._g...___..g_...:..___                  .:......_;......;.....

t FS 106 :SOEFC99 IB2 4 0.25 FILLET:H65-487 :C l620476:0!!7861 :CF : 6 ' ' 1 lFS 106 lSOEFC90 IB4 1 0.25 I F IL L E T ! H65-487 :C l00:476:011786tFER MEMO:CF : : NW- AF F P.E. LTs 7-09-7 1 lFS 106 t SOEF C90 IC1.! L C.25 l FILLET'H65-487 tC l00:47e:Ot17ett :CF ? 12 1 lFS l26 !SOEFC90 :C: : 0.05 FILLET!H65-487 IC lO22476:011796: ICF : 9 : : 1 lFS lO6 IS7EFC90 IC4 I O.25 ! FILL ET H65-487 !C CO2476:01178S FEA MEMO:CF : :NW-AFF P.E. LTE '-29 ' t :FS 106 lSOEFC90 101.2.3.4 : 0.05 IFILLET!H65-497 :C !'004'6:681786: :CF 4 74 . . 1 lFS l26 ISOEFC90 tE1.0.7.4 i n.05 lFILLETtH65-487 C 1020476:011786: :CF 24 I FS 806 lSOEFC90 lF1.2 0.05 ! FILLET!H65-497 :C lO204760317868 :CF ' 12 * . . O lFS 107 SOEFC91 1A 1 THAU 4 i O.25 FILLET:47A920-08-1 :C :080778:010!861 :DZ ! 18 : : O IFS 127 lSOEFC91 IB 1 THRU ! 1 0.05 IFILLET!47A900-08-1 !C 1080!78:010!86: DZ . 10 : : O lFS 07 ISOEFC91 :C 1 T HF.U 4 t 0.05 IFILLET847A900-08-1 :C 2000!?8:01:486: :DZ : IO : . O FS 107 :SOEFC91 ID 1 THAU ! : 0.25 FILLEit47A920-09-1 :C 1080!78:010496: :DZ : IB : : : 327 O lFS tSOEFC91 !E 1 THAU 4 t 0.25 IFILLET:47A900-08-1 C !^80!78:010486: DZ e 16 :

    ^ :PS l27            ISOEFC91    IF 1 THRU !        :  0.25 lFB/FIL:47A900-08-1           IC l0007781012486:          :DZ :            12 :                 :              .

O !FS 827 SOEFC98 :F4 8 0.25 !FLAEE I47A926-08-1 :C lO80378:010486: DZ 4 : O lFS l27 ISOEFC91 IF3.6 t 0.05 (FB/FIL:47A920-29-1 lC lv89378:012486: :DZ 8 . O !FS 127 :SOEFC91 IF7 I O.75 IFILLETl47A920-08-1 :C !O80!?8:010486: :DZ : 4 : : . O lFS l27 ISOEFC91 :G1 1 0.03 IFILLET:47A920-29-1 lC lO80370:01:486: :DZ : 4 : : : O lFS :27 ISCEFC91 IG2.4 I O.25 l FILLET 47A9 0-08-1 :C :000378!O3:486: :DZ t 8

O FS :27 :SOEFC91 lG! ! O.25 ! FILLER:47A920-08-1 :C :n80378 tot 2486: IDZ : : X .

O IFS lO7 :SOEFC91 tHl.4 1 0.25 IFILLET147A900-28-1 :C 080!78:01:486: IDI 8 . : O lFS 127 ISOEFC91 lH2 0.05 :FILLETt47A900-28-1 :C :"89778:080486: !DZ t 4 8 1 i O IFS 127 ISCEFC91 fH! l 0.05 l FILLET!47A9 0-28-1 tC l000!?8:0124P6: !DZ ! II . O lFS 827 ISOEFC91 It 1 THAU 4 i O.25 lFILLEff47A920-28-1 :C 1080379:01 496: IDZ ! 16 3 I O IFS 07 ISOEFC91 IJ 2 THRU 4 I O.05 FILLET:47A900-08-1 :C 2000!78:01:4861 !DZ : 12 : 8 : O lFS 107 ISOEFC91 IJ1 : 0.25 IFILLEft47A900-08-1 tC lO90!79:01:486: 10Z t 4 : ! : O :FS :27 ISOEFC91 :K 1 THRU 4 i O.25 tFILLET 47A920-28-1 :C :080!78:012486: IDZ ! 16 : . I s O lFS 827 ISOEFC91 IL 1 THRU 7 e o.25 FILLETt47A920-29-1 !C 680778:01:486: !DZ 8 29 ! :

O !FS 127 ISOEFC91 IM 1 THAU 7 I o.05 tFB/ FILL 47A920-28-3 IC IOOo!7R:nt:486: IDZ t 20 1 O !F S lO7 ISOEFC98 INI.O I O.05 IFILLET!47A900-08-1 :C 800"*79:082486: IDZ t 8 : : : N O IFS l27 SOEFC91 IN! : 9.25 l FILLET 47A920-08-1 C 1690!78:01486 :DZ ! 4 '

O lFS l27 :SOEFC91 IN4 I o.25 FLAF E I47A920-28-1 :C lv80!79:01:486: :DZ ! 4

I :

O FS 107 :SOEFC91 IN5 . O.25 ! FILLET:47A900-08-1 !C l000378:01 486: IDZ t 4 : : : O lFS 107 lSOEFC91 !N6.7 3 0.25 :FP/FIL:47A920-08-1 lC lO80378:012486: :DZ : 0 ' I v lFS 107 iSOEFC91 101.3,4.5.7 I O.25 IFD/FIL:47A920-08-1 :C 1000!78:01:486: :DZ l 20 : : O FS 107 ISOEFC91 302 t 6.05 l FILLET!47A900-08-1 C 1090378:01:4868 1D2 8 4 : ? O lFS lO7 ISCEPC91 106 0.25 !FLAEE I47A900-08-1 IC 208o!?8:012496: IDZ ! 4 : . O :FS l27 ISOEFC91 IF 1 THRU 4.6.7! O.25 IFP/FIL:47A90b-09-1 :C !O99778!Ot0486: :DZ : 24 . : O lFS :27 :SOEFC91 :FS 0.05 :FLAEC 147A9 0-08-1 :C :089778:012486: IDZ : 4 : O :FS :27 :SOEFC91 10 1 THAU 6 1 0.25 tre/FIL:47A9 0-29-1 :C :"80!?9:012486: :DZ : 24 : : : 0 !FS 127 ISOEFC91 :07 I O.25 IFILLET:47A900-08-1 :C tv80!78:012486: IDI 4 : ! . O FS !:7 ISCEFC91 tR t THRU 6 1 0.05 !FB/FIL:47A900-09-1 :C !O00379:01:486: :DZ : 24 t : : O lFS 127 ISOEFC91 IA7 ! O.25 :FILLETt47A920-20-1 !C 1000!78:0124e6: DZ : .

=

FAGE 13

t

  .w    *se-86 T APLE            4  . 4 (etDS= DUCT SFT                                                                                                            8e>05G C=CONSYI N = * *>C F L F S=F IFE Sri STRUCTUR AL                    WELD 1NG                                  testat=ACCEFf Ev 145F CS=CONDu!T SF-T                                                                                                                 AO=ACCEFT Et CA C CTE=CAPLE TRAY SFT RE INSF ECT ION                      DATA                                         AT=INACCFf5tf*tt IS=3NSTRUMENT SPT                                                                                                              R =6 EJECT SEQUOYAH NUCLEAR FLANT                                                NWaNO WEL D MISC = MISC STL STFU=STRUCT STL                                                                                                                 * = INACCESSIPLE l OF:! G  1RE-   !

I WELD 1 ! !NSF T !!NSF T *

DES t ! I I SIZE I WELD 8 l WE L D F E S UL T -L I N INCH ise*

UNTite) IITEM IORG!DATE :DATE : !EvAM;---------------------------- FACDAGE ! WELD NUMBER t (IN) t T YF C ! DRAWING NO !(e)!MMDDYY3MMDDYY: COMMENT !&Y T At

A! A! A

 ~~-----!------t--------t--------------l-------l------l-------------l---!------t------!--------!----!-------!-------!-----

O !F S !7 ISOEFC93 353.0.4 1 0.25 1FP/FILt47A900-08-1 lC 1000778:01:4068 102 : O lFS :27 :SOEPC93 tS3 10 t O LFS 127 0.05 tFILLET!47A920-09-1 !C 8000770101:496 DZ t t :s ISOEFC91 1T 1 THRU4 I O.05 :FB/ FILI 47A900-08-1 3C 2000!?8!O10486: 1 0 !FS I7 ISOEFC91 tut.2.4 !DZ : 16 l t : O tFS 127

                                                    !   O.05 IFP/ Fill 47A900-CD-1          !C lO90!'9:01:406:              10Z           t ISOEFC91 tu!                !    O.05 FILLET!47A900-08-1             !C 1900!?0:010496!

12 1 1 1 O !FS 107 iSOEFC91 IV 1 THRU 4 i :DZ t :s O lFS 107 O.05 IFD/FILt47A900-08-1 :C IO997'O Ol:496: IDZ t LL t

t ISOEFC91 IW1.2.3 I O.25 t FP/F IL i e 7A900 1 !C 1000!?0:014861 O IFS I:7 :SOEPC94 ( X I ,2, 3 :DZ ! 00 . :
0 1FS 127

9.05 lFP/FAL:47A909-20-1 :C lO90!79 tot:496: IDZ t 02 1

SOEFC91 tYt.2.3 1 0.25 :FP/FIL!47A920-08-1 !C 2006070:012406: IDZ :

1 1 O IFS 127 ISOEFC91 121.2.3 v.05 IFP/ FILL 47A900-09-1 20 i ! : 1 tCS !!8 ISOEPC92 lA 1 THRU 4 8 C lO99!78:01:4968 :DZ ! :: t 1 t ICS 828 10.1975 IFILLE1847A056-!4 IN IC11 et:010!B6tFCR 455 !CF t 14 : ! SOEPC92 IB 1 THRU 4 10.1975 1 F ILLET! 4 7A056-34 i 1 3CS !!8 !SOEFC92 IC 1 THRU 4 !N tOtt00t!Ot !O6:FCR 455 (CF f 14 i ! I 1 tCS 128 ISOEFC92 Dt,3 10.1975 lFILLETl47AO56-!4 !N IOll OtlO12!B6tFCR 455 !CF t 14 8 1 1 t IFFEVELt47A056-34 1 ICS 200 ISOEPC92 102 !N IOt!O91:Ol:706:FCR 455 !CF ! 24 : 8 : t ICS 809 ISOEPC92 !Et,2,3 10.1075 1FILLEft47A056-04 IN lotto 8ttol:306tFCR 455 ICF t i !.5 : I 10.3875 lFB/FILf47AOS6-34 IN IOttO912OlO!P6:FCR 455 !CF t ! t :CS 300 ISCEPC9 tE4 I IFBEVELl47AOS6-!4 10.5 ' 1 :CS :28 ISOEPC92 IFt THRU 4 IN !O!!O91:OIO!B6!FCR 455 !CF I ! !.5 i ! 1 :CS 100 ISOEPC9 10.1975 !F9/FILf47A056-74 !N !Ott:0t!Ot:!96!FCR 455 ICF t 15 t 1 1 I lCS !!9 IGl.2.3.4 ISOEFC92 IHt,2,3.4 10.1975 IFP/ FILL 47A056-34 IN lOtt:8tf0tO!O6:FCR 455 ICF t 14 : ; 1 (CS :28 10.1975 IF9/ FILL 47A056-34 IN IOtt:9tf030!O61FCR 455 tCF 1 15 1 ISOEFC92 111.2.7.4 10.1975 !FILLETt47A056-34 !N BOtt:813Ol2!e6tFCR 455 ICF : 1 1 1 CS 308 :SOEFC92 IJt.2,3.4 10.1075 fFILLET!47AOS6-74 14 : : 1 1 tCS 100 CSOEFC9 IK1,0.3 10.1975 ! FILLET:47A056-74

                                                                                          !N !O!!O91tO!?!O6:FCR 4*5 !CF :                         14  8               1            1 1 ICS 329           ISOEFC92 !V4                                                         !N !Ol1091:010!e6tFCR 455 !CF !                     10.5    1               :            :

1 ICS 309 10.1975 (FILLET 147A0*6-34 !N Ott 81 OI !O6:FCR 455 tCF I !.5 t ! I ISOEFC92 ILt.2,3 10.1875 1F9/FILt47AOS6-!4 1 CS 100 ISOEFt92 IMt,2,3,4 30.1975 lFB/FILt47A056-34 lN toll:01:Ot !86 FCR 455 ICF t 04 I ! I 1 tCS :20 ISOEPC92 INI 10.1875 IFILLET147AOt6-!4 IN t0ttOt!Ot !B6:FCR 455 ICF I to.5 1 !.5 1 I 1 ICS 808 ISOEFC9 INO.3,4 IN Inti 81!OS2?O6tFCR 455 ICF t *

                                                                                                                                                 .5     i

1 sCS t:0 10.1975 IFS / FILI 47AOS6-74 $N IOll:0 ten 30304trCR 4*5 eCr t 3o.5 s 1

ISOEFC92 804.2.3.4 10.1875 1 FILLETS 47AoS6-!4 IN 80s 201IOI !O61FCR 455 tCF : 1 1. 1 :CS 109 iSOEFC92 IFt.2,7.4 10.1975 IF9/FILt47AO56-34 le t I 1 tCS t:0 ISOEF C9: !Ot.2.0,4 IN IOtt S!!Ot2306:FCA 455 (CF ! 21 1 1 :CS 300 30.1875 IFB/FIL147AO56-74 !N !OttrettotO!86 FCR 455 ICF ! O! ! 1 ISOEFC92 IRt.2.3.4 10.1875 iFP/FILt47A056-34 IN !Ot!28ttOt !86 FCR 455 tCF ! 1 ICS 828 ISOEPC92 351.2 14 . 1

FS 129 ISOEPC93 IA1,2 10.1875 IFILLETt47A056-!4 :N foll:88 toto!86fFCR 455 :CF '

40 t i 1 2 !FS 129 lSOEFC93 3A3 1 0.375 IFILLEft47A491-3-6 :C lO90695:012186! :CF : 53 IFS 129 ISOEPC93 t&t i O.375 IFILLEft47A4*t-3-6 :C foeo605:01:1863 1CF t 3.5 t 3 3 2 IFS !!9 ISOEFC97 192.3,4 i O.375 tFILLETt47A491-3-6 IC l0006C5:01 1068 3CF i 3.5 t 3 O :FS 129 1 0.775 IFILLET147A491-7-6 C 1000605:010106 ICF t ISOEFC93 105 I O.375 IFILLET247A491-!-6 10 t t t 2 :FS 109 ISOEFC93 ICI,2 3C 1000605010106! ICF : 1 2. 5

2 FS 109 i O.375 IFILLETl47A491-7-6 tC 2000685:0101061 tCF ISOEFC93 IC3 3 0.375 !FILLETt47A491-3-6 1 5 1 1 1 2 IFS !9 ISOEPC93 101.2.3.4,5 !C 1009685:012166: !CF ! ! !.5 ! !

O tFS 129 ISOEFC93 !Et,2,3 I O.375 1FILLETI47A491-7-6 !C 30004e510101861 SCF 14 t ? 2 IFS 129 tSOEPC93 IFt.3,5 t 0.375 lFILLETl47A491-3-6 IC !O00605iO1:1963 ICF t O 8 1 t O.!75 IFILLETI47A491-7-6 1C t000605:010106: lCF 1 13 : : ? FAGE 14

m % f'\ . o? -Oh 7 ABLE 4.. 4 4eaOAG:C=CONET:N="UCFS totDS= DUCT SFT ST RUCTURAL WELD I NG (setAt=ACCEFT PY I'68" FS=P!FE SFT A2=ACCEFT Pr F At r CS= CONDUIT $8 7 E E I N S F"E C T ION DA TA A!= INACC E 50 ! PL E CTS = CABLE TEA) SFT R =REJEET IS= INSTRUMENT SPT SEOUOYAH NUCLEAR PLANT NW=NO WELD NISC= MISC STL X = INACCESSIPLE STRU=STRUCT STL : ORIG IRE- 1 I WELD : I INSF T !!NSPT 1 I IWELD FESULT-L IN INCH tesD IDES 1 1 1 i S!!E 2 WELD ! !ORG!DATE IDATE t IEXAM1----- ---------------------- UNTIto) : ITEM :SACFAGE l WELD NUMPER ! (tN) 1 TvFE IDFAWING NO f(entMMDDYY:MMDDYY! COMMENT IBY ! Al ' A2 A7 : R __.;___.:......t. ..... :____........ .:.....__3......:....._____...:.__ ......:......g..... .. _...:_......:.......:......:...._ 2 IFS 329 :50EFCO3 IF2.4 1 0.!?5 !FILLETid7A491-7-6 !C 1000e85:082106: ICF ! ! . . . . 2 IFS 12* 750ErC93 IG1,0.3 ! 0.!75 IFILLET!47A491-3-6 IC 1000695:0121968 !CF ! 9 1 1 ! O IFS 809 SOEFC93 1H1,2,!.4,5 t 0.!75 1 FILLET!47A491-7-6 iC 1000605:012196: ICF ! to : ' 2 :PS 129 !SOEPC93 III,2.3.4.6.7,08 0.375 !FILLCTi47A491-3-6 1C 1000695:0121861 1CF ! 27 1

I 2 lFS 129 I SOEF'C93 !!5 8 0.!?5 !FILLETI47A491-7-6 IC 1000665!080806: ICF : 2.5 '

4.5 1 : 2 FS 29 ISOEPC93 IJ1 I IGAOCVEt47A491-7-6 fC l000695:010106: !CF t 7 I . I 2 FS 129 tSOEFC93 ILS t IGEOOVEt47A491-0-6 :C 1000605!0121061 3CF 14.5 !

I 2 INA t0 SOEFClotISEE MECH I ! ! : 8 fDUCTWELDtHS ! ! :

0 MISCt31 150EFC1011A 10.1975 IFILLET!48Nt216 tC !!008781012486 !WE I TO . 1 1 0 !MISCt!! tSOEFClot!B 10.1975 1FILLETl48Nt:16 IC !!O2170!O124861 IWE 8 to ! 1 1 O 1MISCf31 ISOEFC10ttC 10.1975 IP/FILLt4BN1216 tC 110217810124861 lWE I !! ! . ! O IMISCt:1 iSOEPClotID 10.1975 IFILLETt4BNt:16 BC !!00178!0124863 !WE ! 32 ! l ! O IMISC:31 :SCEFCIOtIE 80.1075 fB/FILLt4BN1286 !C fl02170!Ot:4861 IWE I 05 8 : 1 0 : MISC 131 ISCEPClot!F 10.1975 IFILLET!4BN1216 !C 110:178:0824961 !WE I 22 : *

O IMISCf31 :SOEFCIOt!G 10.1975 fr!LLET!48Nt:16 C 1802179:012406: !WE : '20 1 : 1 0 MISC:31 :SOEPC10ttH 10.1975 IFILLET!4BN!286 3C !!O2179l0124861 IWE 22 : ! !

O IMISCf31 ISOEPC101tJ 10.1975 IFILLET!4eN1216 :C It0217910124e6: tWE : 20 : : : 0 ! MISC:31 :SOEPClottM 10.1875 IFILLET!40N1286 !C 18021781012496 IWE : 23 8 ! ! O IMISCt!! lSOEFClottL 80.1875 IB/FILLt48N1216 IC !!O21791012406! IWE ! !! ! . ! O IMISC331 ISCEPC10tlM 10.1975 tFILLETI48Nt:16 !C 1802170101:4061 :WE t !! ! 1 O INISC801 ISOEPCIO!!N 10.1875 IB/FILLt4BN1216 :C 110287080124061 IWE 1 !! ! ! : 0 l MISC:31 ISOEPClotlO 10.1975 IFILLEft4BNt216 tC 1102178!0124861 IWE ! 26.5 1 !. 5 1 1 NUMPER OF WELDS = !!94 TOTALS 16328.2 :1040.2

O 8 0 1

I PAGE IS

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i [G I 4 3 I i j APPENDII 4.1 i i i

'I

- l i ;

i 1 i Appendix 4.1 is the report of an NDE Level III Inspector performing an i independent overview of the reinspection program, knowledge, techniques, and thoroughness of TVA personnel performing Nondestructive Examinations i )

(NDE) of mechanical welds. t l

4 i O f . I .[ { !

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    *                                                                                                   " *     'l BECHTEL NATIONAL., INC.

I Research and Development

      / Materials and Quality Services Letter File No. MJD-016 REV.1 Date        1/30/86 To:        J. W. Conn           From:   M. J. Dutra location 50/15/A48        Tel. 768-1491

Subject:

TRIP REPORT cate of Trio: Project Name Sequoyah Nuclear Plant From 1/17/86 ' To 1/29/86 Project No. 16W55-000 M&Q$ Log No. va/4-IS

                     - Project Spec. No.

ANSI B31.7 6 ANSI B31.L Destina tion: Chattanooga. Tenn. Copies to: R. A. Manley/F. C. Breismeister R. F. Steigerwald/W. C. Plumstead , Type of Trio: DCC 02971-75 0.'r!C E N E~ ' ~4 I OSapp11er 1 '6f) TVA (Name) Y.' .-

                                                                    ; , p.cE CT @ Client (Name) if                    !-     hb11te ,

M Coen *'fi PURPOSE OF TRIP: i sc ; . A 'c::ee ik/fl. Overview of reinspection NDE activit Ts[f7:! I -: 4y;-emcnoj& j' ! 301 laski Es'*tjob' INTRODUCTION / DESCRIPTION OF PROBLEM: N Bechtel was r quested to provide an FDE- 1-!!T to p'eff6riii an independent overview of the Welding Project, W9 Cl35 C-K, vities perTtTe requirements of SM1-0-317-24 and Welding Project Instructions of I r.dcgent--tWerview of' Reinspection. CCNCLU5!CNS AND RECCw E50ATIONS: 1 A total of 35% of all liquid penetrant examinations and 35% of all magnetic particle examinations were witnessed and evaluated. Each NDE technician's work during the reexaminations was monitored on several occasions. The FDE personnel assigned to the reinspection activities displayed an above average knowledge of the particular NDE techniques and procedures employed. Their thoroughness, competencena'd professionalism is excellent. l There were no disagreements on the interpretation of any of the examination results. The visual quality of the welds was average to above average, and the weld metal was yvirtually free of porosity. 1 Ithough the NDE procedures used (N-MT-1, Rev. 4 and N-PT-1, Rev. 6) have different

       ,yacceptance criteria than the construction codes (ANSI B31.1 and B31.7) the examination
       . &esults for the weld observed (acceptable or rejectable) would have been the same no di' matter which code was apolied.

The generic generic type type was weld usedfiller in allmetal was checked by using a magnet and the correct cases. Page 1 of 3

     .                                                                                 Appendix .1 Bechtel National, Inc.                                                          Page 2 or 3 Research and Development Materials and Quality Services                               Letter File No. MJD-016-07 REV. I

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Date 1 30-86 To: J. W. Coan From: M. J. Dutra

Subject:

TRIP REPORT (continued) Project Name Seouoyah Nuclear Plant Project No. 1698s-con M&QS Log No. 02971-7) PARTICIPANTS: NAME COMPANY OR' PROJECT AFFILIATION AND TITLES M. J. Dutra Bechtel - NDE Level III S. P. Stagnolia 1YA - Supervisor, Engineering Support Services T. Gilbert TVA - ISI NDE Supervisor C. White TVA - Welding Project NDE Supervisor DETAILS OF INVESTIGATION (discussion of observations, action taken and other pertinent data): The following personnel were observed performing nondestructive examinations during the welding project reinspection. / L. Warner b J. Henson B. McCarey B. Robinson

M. Bazendale E. Shipp D. Allen D. Hill M. Anderson R. Haradway The NDE examinations performed on the following welds were cbserved and any indications were evaluated to the acceptance criteria stated in the referenced precedures and to the acceptance criteria stated in ANSI B31.1 and B31.7 from copies of these codes brought with me to the plant.

See attached listing of welds. m- M&QS REPRESENTATIVE: h "3 ' Db bu b M. J Dutra

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Page 2 o f .3,

NJD-016-02 Appendix L,1

        ^) -                                                                                     P%e 3 or 3 y                                       n                s OEA 1505                  OER 19948A                 2AFDF-19 OEA 1502                  OER 19949                  2AFDF-20 OEA 1500                  OER 19952                   1AFDF-40 OEA 1580                  OEA 409                     1AFDF-39 OEA 1581                  OEA 409A                    1AFDF-38 OEA 1582                  OEA 409BX1 OEA 1572                  OEA 411                    OER-1995-C                                   -

OEA 1570 OEA 410 OER-1999-H OEA 1575A OEA 410A AFDF-28 OEA 157711 OEA 408 AFDF-29 OEA 1578 OEA 406 2AFDF-25 OEA 1579 OEA 405 1AFDF-31 OEA 1568 OEA 410B 1AFDF-33 OEA 1593 2AFDF 20CC OEA 1593A 2AFDF 20DD OER-1995-J OEA 1593B OER 19920 OER-1995-H OEA 1592 OER 19921 OEA 1592A OER 19920A,B,C,D.E, ' 1AFDF-92 OEA 15928 F,G,H OEA 1591 1AFDF-54 OEA 1594 2AFDF-25CC 1AFDF-55 OEA 1559A OEA 383 2CC-82 O~ OEA 1559B OEA 384 OEA 385 2CC-83A 2CC-84 . OER 19917 OEA 5308 2CC-85 OER 19918 OEA 5308A OER 19919 OEA 5308B OEA 5307A l OEA 1523 OEA 5325C .' OEA 1524 OEA 5325D ', OEA 1525 OEA 53255 l OEA 1529 DEA 5325F OEA 1530 OEA 1531 2AFDF-25EE OEA 372 OER 7916 ! OEA 373 OER 7918 '- OER 7919 OEA 374 OEA 375 l 1 AFDF-96A 1AFDF-968 1-CC-1930 1-CC-1930A 1-CC-1930B 1-CC-1930C 1-CC-1930H ( 1-CC-1929 1-CC-1929A l I 1-CC-19298 l . 1-CC-1929C 1-CC-1929H I Page 3 of 3 KID /nlj

___... ._ . _ _ _ - - _ . _ . _ . - _ ._ . _ . . . - _ _ -_ _ _. _ _ _.._ _ _ _. _ .__ _ __ ~..._..___ _ - I ' { 1 4 4 ? 4 I . I J i. i' 3 t -l j APPENDIX 4.2 ! i I l i l 1 f [f Appendix 4.2 is the report of a Certified Weld Inspector (CWI) performing i an independent overview of the reinspection program, tools, techniques, and thoroughness of the TVA-CWIs inspecting structural welding. 1 5 j' i. ! I f

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I L i t c 5 t i i 1 p D 095098.03

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B27 '860130 001 Appendix ,2 ( N. Page 1 or o N TO : J. W. Coan, Project Manager, Welding Project W9 C135 CK FROM : G. R. Hoffman, Independent Overviewer - CWI 1682052421 DATE : January 29, 1986 SUaIIX7. : REPORT OF OVERVIEW OF THE WELD REINSPIX: TION AT TVA SEQUOYAH NUCLEAR PUKr f o3, ice or sus >ssRiss'

                                   .. ; 30 '86                                                        ci 31 '86
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n n, o .- Q 'l G. R. Hof fman 1/30/86 - JVC:MP cc (Attachment): lilMS, SL 26 C-K R. C. Domer DEFN, V12 A6 C-K t

Appendix 4.2 . Page 2 of 6 As an independent observer of the TVA Sequoyah Reinspection Program, tools, techniques. and thoroughness of the TVA-CWI's were overviewed. The overview which was performed, was done on a random selection. All or a portion of the welds were overviewed of various items selected for the reinspectior- - program. A portion of groups 2 through 6 was overviewed for compliance with Process Specification 3.0.11.1, Revision 1. Special Maintenance Instruction SMI-0-317-24. Revision 1 and N-VI-6, Revision 0. As a result of my field surveillance, technique, use of tools and throughness of the inspectors was observed to be performed procedures. in accordance with the applicable specifications and The results from my inspections and the inspections performed by TVA-CWI's were reviewed and found to be in agreement for approximately 90 percent. Out of the 262 welds which I inspected, I found a difference in evaluation of 28 welds. Of these 28 welds, 16 were sent to engineering for evaluation. I feel that the variations in veld surface conditions were a factor in the differences in the results between myself and the TVA-CWI's. During the period of reinspection, there were instances where weld details were not clear or available fo'r connections being inspected. configuration was There were different also than w instances ecified where the actual field by Design. These cases, the connections were insepcted nd the actual

        ,    configuration and/or weld size (s) r

( ) record for engineering evaluation. on the inspection V' As a conclusion of my overview, the overall welding appearance was average and the inspection performance of the TVA-CWI's was in accordance with procedurer and job specifications. c l

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Appendix L,2 . Page 3 or 6 N Below is a list of the category groups the items selected and the number of welds that were overviewed. GROUP #2 Item #16 - 4 welds Item #17 - 18 welds Item #19 - 9 welds Item #22 - 12 welds Item #25 - 6 welds Item #29 - 41 welds Total - 90 welds GROUP #3 Item #11 - 12 welds Item #13 - 51 welds Item #15 - 12 welds l Item #28 - 14 welds Total - 89 welds GROUP #4 i Item #18 - 5 welds Item #31 - 12 welds s Total - 17 welds i GROUP #5 Item # 2 - 14 welds ! Item # 4 - 36 welds 1 Item #24 - 6 welds i Total - 56 welds GROUP #6 Item #30 - 10 welds Total - 10 welds 0036X

Appendi x k.2

Page'L of 6 GROUPS AND ITINS WITH DIFTERDJCES GROUP e2 Item #17 - Pipe support - 13 welds overviewed 1/8" gap between members - weld-K undersize, TVA doesn't identify this condition.

Item #19 - Pipe support #10 (TVA #1) I found acceptable, TVA finds weld undersize.3 welds overviewed (weld - A) Item #22 - Pipe support #4 (TVA #1) I found acceptable, TVA finds weld undersize.6 welds overviewed (weld - A) Pipe support 45 (TVA #2) 6 welds overviewed (weld - Al I found acceptable, TVA finds weld undersize. Item (weld

            #29 - -Box C3)anchor   unit - 41 welds overviewed.

I found acceptable TVA finds weld undersize. (weld - F2) found acceptable, TVA finds weld undersize. (weld - I3) II found rejectable, TVA finds weld acceptable. GROUP e3 Item #11 - Cable tray support MK-29A - 6 welds overviewed (weld - C2) I found rejectable for underfill and length of groove weld, TVA finds weld acceptable. (weld - B) I found rejectable for slag, TVA finds weld acceptable. Cable tray support MK-29B - 6 welds overviewed (weld - C2) I found rejectable for slag, TVA finds weld acceptable. (weld - C4) I found rejectable for LOF of groove weld, TVA finds weld acceptable. Item #15 - Instrument and control support - 12 welds overviewed (weld - C) I found acceptable, TVA finds weld undersize. Item #28 - Conduit support - 14 welds overviewed (weld - A) (TVA #0) I found rejectable, TVA finds veld acceptable. l l l I l I 0036X

Aprenu.x L.2 Page 5 of 6 GROUP #4 DT V Item #18 - Rupture projection barrier - 5 welds overviewed (weld - A) I found rejectable (undersize), TVA finds weld acceptable.

Item #32 - Access platform - 12 welds overviewed.

(welds #3 and 4) - (TVA #J) I found acceptable, TVA finds weld (s) rejectable for slag. GROUP #5 Item #2 - HVAC support 7965 - 14 welds overviewed. (weld - B, C, & D) - (TVA #Cl-12) I found rejectable for elag, TVA reports no slag. (weld #E-1) - (TVA #D-1) I found rejectable for underfill of groove weld, TVA finds weld acceptable. Item #4 - HVAC duct support - 36 welds overviewed. (weld #D-3 & 4) - (TVA #J1 & 3) I found acceptable, TVA finds welds undersize. (weld #C & G) - (TVA #K & I) I found acceptable, TVA finds welds undersize. , (weld #L, K, I, & H) - (TVA #B, C, E, & D) I found acceptable, TVA finds welds undersize. v i 0036X

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Appendix - t.2 Page 6 or 6 CROUP #6 Item #30 - Evaluation of spiral duct pipe On January 23, 1986 inspection was performed on 14" duct pipe ' located at elevation 687', approximacely az - 299*, 306*, 313*, 321* , 329*, 334* , and 338*. The inspection was performed per process Specification 3.C.11.1, Revision 1. The overall appearance of the welding was visually acceptable, except for an area at the backside of the pipe. In this 12-14 inch area, the weld profiles were rough in appearance and a section in mos.t, areas which was not welded. The location of the duct pipe was 3-4 inches'from the containment wall, which made the area difficult or inaccessible for welding. On January 26, 1986 inspections were performed to verify that the areas that were inaccessible were welded on the inside of the duct pipe. Four joints wece chosen, which were determined to be the worse cases observed. The joints chosen were two 24" duct pipe located at az-330*, elevation 687' az-10*, elevation 705 ' , and two 10" duct pipe located at az-75*, elevation 702': az-83*, elevation 702*. Windows were cut in the duct pipe in order to visually inspect the inside areas of the concerned portions. At az-330*, elevation 687' the inside was seal welded over the area of concern and found visually acceptable. _ At az-75* and az-83*, elevation 702' a backing ring has been installed and welded on both edges to cover the concerned area. The welds lo ated at these two areas were visually acceptable. At az-10*, elevation, 705' a partial backing ring has been installed and welded on both edges to cover the areas of concern. The welds were very' rough in appearance and determined to be visually unacceptable. Item #3 is not a part or items with differences. It is my - evaluation of this item. 0036X

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096073.05 f b \' APPENDIX 4.3 4 i Appendix 4.3 is OE's evaluation of discrepant conditions identified by 4 visual inspection of 128 piping welds. The following conditions are evaluated. l 4 e 1 4 Arc Strikes j Spatter i ] Porosity 1 Overlap Lack of Fusion l Contour & Transition j Undercut Cracks t l Linear Indications l i 4 Base Metal Indications i l l l l l l' i I I i 1 i l s l l l l l i

096073.05 Appendix 4.3 Page 1 of 10 ( EVALUATION OF PIPE WELD REINSPECTION RESULTS SEQUOYAH WELD REINSPECTION PLAN

References:

(1) Welding Project - Phase 2, Part 2, Sequoyah Reinspection of Selected Welds - Reinspection (2) G-29C Process Specification 3.C.11.1 R1 dated 1/16/86 (3) OE Plan for Evaluation of Inspection Results - Sequoyah Nuclear Plant At the request of the Welding Project (WP), the Codes, Standards, Welding and NDE Section reviewed and evaluated results of the reinspection of 128 pipe welds. This group of welds was rejected during the reinspection program conducted in accordance with references 1 and 2. Results of the p) s, U reinspection and details of the cause for rejection are contained in inspection reports prepared for each weld by the site inspectors. Inspection reports are on file with the Welding Project. Evaluation of the welds was conducted in accordance with the provisions and requirements of reference 3. It should be noted that the criteria of reference 3 are not the same criteria contained in the SQN inspection procedures used during the reinspection. The effect of the difference is that many weld or weld-related attributes, rejectable to the reinspection procedures used are acceptable when evaluated to the criteria of reference

3. It should also be noted that the criteria of reference 3 were developed solely for use in evaluation of the subject reinspection results because they represent the code of record of the plant and the fabrication and examination methods for a significant portion of the work completed at the plant. The TVA position on what is desirable or achievable weld workmanship is more accurately documented in the fabrication and

096073.05 Appendix 4.3 Page 2 of 10 N.-] examination procedures currently being used. A summary of the treatment of reported rejectable conditions for evaluation purposes is given below. CONDITION LEGEND EVALUATION TREATMENT (See Table 4.2) Arc Strikes F Acceptable. Arc strikes are a welding-related base material condition. They are not addressed 103 welds identified by codes applicable to the fabrication and as having arc examination of this piping. The presence of arc strike strikes in the austenitic stainless and plain j'~} 71 carbon steel materials involved in this N~/ reinspection and as supported by the stainless steel and 32 carbon Metallurgical Evaluation of Austenitic Stainless steel welds. Steel Arc Strikes (see Appendix 4.7), is not considered to represent a condition impairing safe operation of the affected systems. All welds meet code requirements. Spatter F Acceptable. Spatter is not addressed by 4 welds

identified, applicable codes, is outside the scope of this All carbon steel evaluation and has no metallurgical significance.

Therefore, all welds meet code requirements.

3 of these also had arc strikes Porosity N Rejectable unless the affected weld is additionally examined and accepted by umgnetic 15 welds identified, particle (MT) or liquid penetrant (PT)

096073.05 Appendix 4.3

  /3                                                    Page 3 of 10 b

all welds are examination. Since porosity is not addressed carbon steel. in applicable codes as an attribute of visual examination, all velds containing visually reported porosity were accepted by MT or PT examination. Overlap L This condition is of concern only when it results in lack of fusion or interferes with 8 welds identified, subsequent NDE. The fabrication codes only I stainless steel address lack of fusion. Overlap is rejectable and 7 carbon steel unless the affected weld is additisually welds. examined and accepted by Mr or PT examination. O (Note - all welds containing visually reported N) overlap were accepted by KI or PT examination.) Lack of Fusion K This condition is explicitly addressed as an unacceptable condition in the visual examination 5 welds identified, criteria of the applicable code. The codes rely all welds are on MT or PT for evaluation when these examinations carbon steel are required. When only visual examination is required, the conditica must be considered I rejectable unless the affected weld is additionally examined and accepted by MT or PT examination. (Note - all welds containing

. visually reported lack of fusion were accepted by Mr or PT examination, and therefore meet the code.) '

(s Contour & Transition B Visual examination for contour and transition is

096073.05 Appendix 4.3 ,m Page 4 of 10 1 b not an explicit requirement of the code 16 welds identified, applicable to the piping welds involved in this 3 stainless steel reinspection. These characteristics are, and 13 carka steel however, addressed by the code in the context of welds. fabrication / workmanship requirements. The requirements are that velds " merge smoothly" and have a " gradual transition" with regard to adjacent material surfaces. The inspectors reported those instances where, in their judgement, welds did not meet these subjective requirements. Review of the inspection reports and macro-photos of the affected welds indicates the condition to exist primarily in small, NJ localized areas of as-welded surfaces made by the shielded metal-arc process. It was concluded that the observed conditions would have no effect on the function or performance of the weld if the condition did not preclude performance of and acceptance by MT or PT examination. All welds with reported contour / transition conditions were examined by MT or PT and were accepted on this basis. Therefore these welds comply with the Code. Undercut D Acceptable if 1/32" or less; otherwise rejectable 2 welds identified, unless further evaluated. One weld was both are carbon steel. acceptable because it did not exceed 1/32 inch. The other undercut occurred in the weld toe on the e

096073.05 Appendix 4.3 Page 5 of 10

   \s /

support side of an attachment veld. It's acceptance is addressed in Appendix 4.5. Cracks A Unacceptable without further evaluation per (Detected Visually) reference 1. No welds identified. Linear Indications - Unacceptable unless further evaluated. These (Detected by MT or conditions were further evaluated and accepted PT ) in Appendix 4.8. 8 welds identified, 4 stainless steel and 4 4 carbon steel. (w -- 4 Base Metal Indications - Base material conditions noted during this weld (Detected by MT or PI) reinspection were evaluated to the code 19 welds identified, requirements applicable to base materials. For

7 stainless steel materials used in the code classification of the and 12 carbon steel systems affected by this reinspection, there is welds no requirement for surf ace examination (MT or PT) at the time of manufacture or prior to use. Not unexpectedly, during surf ace examination of welds, a number of indications in adjacent base s material were revealed. Those that were separated from the weld were evaluated and accepted as typical of surf ace conditions found l

O) (~- on as-manufactured piping products. Those that ! extended to the weld were physically examined by L

096073.05 Appendix 4.3 Page 6 of 10

 ~ . -

a TVA welding engineer who is also a Level III NDE examiner to determine if they could be attributed to the welding operation. (See Attachment B for further discussion.) In no case was this found to be so. All reported base material conditions were, therefore, considered acceptable. Reported deficiencies with respect to fillet veld size, underfill, excess reinforcement, and offset and alignment, were evaluated by others and are addressed in Appendix 4.4 or 4.5. Likewise, weld quality conditions requiring "further evaluation" are not within the scope of this report and are reported in Appendix 4.6 or 4.8. Attachment A is a list of those welds which have been evaluated and accepted to the criteria of reference 3. Those welds which could not be accepted without further evaluation are noted. Attachment B is a list of those welds with base metal indications, identified by the Reinspection Data Sheets, as terminating at the weld toe. These welds required additional reinspection to determine if the indications are a part of the veld or are base metal indications. 1 m

Appendix h.3 Pmge 7 of 10 O Page No. 1 of 3 ATTACHMENT A 04/07/B6 SEQUOYAH NUCLEAR PLANT'- ACCEPTANCE FOR B31.1.0 UI5UAL AND B31.7 MT OR PT EXAMINATION (CLASS C ONLY) WELD NUMBER CLS EUALUATION AND

LEGEND O-CV-2747' C ACCEPT F 0-EA-00327 C ACCEPT F 0-EA-DO329 C ACCEPT F 0-EA-00335 .C ACCEPT.F 0-EA-00336 C ACCEPT F 0-EA-00338 C ACCEPT F 0-EA-00345 C ACCEPT F 0-EA-00350 C ACCEPT F 0-EA-00353 C ACCEPT F 0-EA-00304 C ACCEPT F 0-EA-OO305' C ACCEPT F 0-EA-OO406 C ACCEPT F & PT O-EA-OO908 C ACCEPT F 0-EA-OO909 C ACCEPT F & PT (size problem-by others) 0-EA-OO909AX1 C ACCEPT F 0-EA-OO410 C ACCEPT F (size problem-by others) 0-EA-00410A C ACCEPT F t 0-EA-01494 C ACCEPT B, F, & PT O-EA-01494B C ACCEPT PT O-EA-01498 C ACCEPT PT 0-EA-01499A C ACCEPT F 0-EA-01499B C ACCEPT F 0-EA-01500 C ACCEPT F & PT 0-EA-01502 C ACCEPT F 0-EA-01506X2 C ACCEPT B & F 0-EA-01508 C ACCEPT F 0-EA-01510 C ACCEPT F Csize problem-by others) 0-EA-01512 C ACCEPT F 0-EA-01516 C ACCEPT F Csize problem-by others) 0-EA-01520 C ACCEPT L O-EA-01521 C ACCEPT F

0-EA-01523 C ACCEPT F 0-EA-01524 C ACCEPT F O-EA-01525 C ACCEPT F i

0-EA-01526 C ACCEPT F 0-EA-01529 C ACCEPT F

0-EA-01530 C ACCEPT F 0-EA-01532 C ACCEPT F i 0-EA-01533 C ACCEPT F: 0-EA-01534 C ACCEPT F 0-EA-01535 C ACCEPT B & F Csize problem-by others) l O-EA-01542 C ACCEPT F O-EA-01543 C ACCEPT F 0-EA-01549 C ACCEPT F 0-EA-01557 C ACCEPT F 0-CA-01559A C ACCEPT F Indications or imperfections as identified by Table 4.2 legend

r-Appendix h.3 Page 8 of 10 Page No. 2 of 3 ATTACHMENT A 04/07/85 k/ SEQUOYAH NUCLEAR PLANT - ACCEPTANCE FOR B31.1.0 UISUAL AND B31.7 MT OR PT EXAMINATION CCLASS C ONLY) WELD NUMBER CLS EUALUATION AND

LEGEND O-EA-01559B C ACCEPT F 0-EA-01562 C ACCEPT F 0-EA-01565 C ACCEPT F Csize problem-by others) 0-EA-01575A C ACCEPT F 0-EA-01575X1 C ACCEPT F Csize problem-by others) 0-EA-01577X1 C ACCEPT F Csize problem-by others) 0-EA-01578 C ACCEPT F 0-EA-01580 C ACCEPT F 0-EA-01582 C ACCEPT F 0-EA-01585 C ACCEPT F 0-EA-01586 C ACCEPT F 0-EA-01589 C ACCEPT F 0-EA-01590 C ACCEPT F 0-EA-01591 C ACCEPT F 0-EA-01592 C ACCEPT F Csize problem-by others) 0-EA-01592A C ACCEPT F 0-EA-01593 C ACCEPT F Csize problem-by others) 0-EA-01594 C ACCEPT F Csize problem-by others) 0-ER-01990 C ACCEPT F Cweld spatter only) r 0-ER-01992-1 C ACCEPT B

( )s 0-ER-01994-1 0-ER-019958 C C ACCEPT B ACCEPT F

                                       & F 0-ER-01995C      C    ACCEPT F 0-ER-01995E      C   ACCEPT F & MT O-ER-01995H      C    ACCEPT F 0-ER-01995J      C   ACCEPT B, F Cweld spatter included), X & MT 0-ER-01999G      C    ACCEPT L 0-ER-01999H      C   ACCEPT B & F 0-ER-02006B      C    ACCEPT F 0-ER-02006C      C   ACCEPT B & N 0-ER-02006D      C    ACCEPT B, L, &N 0-ER-02043B      C   ACCEPT N 0-ER-07924       C   ACCEPT N 0-ER-19917       C   ACCEPT PT 0-ER-19922       C   ACCEPT F 0-ER-19953       C   ACCEPT F 0-ER-19958       C   ACCEPT F 0-ER-19959       C   ACCEPT F 1-AFDF-29        C   ACCEPT X 1-AFDF-36        C   ACCEPT B 1-AFDF-4B        C   ACCEPT F & X 1-AFDF-49A       C   ACCEPT MT 1-AFDF-55        C   ACCEPT F 1-AFDF-57A       C   ACCEPT F 1-CC-1929C       C   ACCEPT F g  1-CC-1930A       C   ACCEPT F
  ' ) 1-CC-19308       C   ACCEPT F 1-CC-1930C       C   ACCEPT F Indications or imperfections as identified by Table 4.2 legend

Arpendix h.3 Page 9 of 10 _s Page No. 3 of 3 ATTACHMENT A I i 09/07/86

 'w l SEQUOYAH NUCLEAR PLANT - ACCEPTANCE FOR B31.1.0 UISUAL AND B31.7 MT OR PT EXAMINATION CCLASS C ONLY)

WELD NUMBER CLS EUALUATION AND

LEGEND 1-CC-2125 C ACCEPT PT 1-CC-2126 C ACCEPT PT 1-CCF-015A C ACCEPT B, F, N, 8 MT Csize problem-by others) 1-CCF-015C C ACCEPT F & NT 1-CCF-026 C ACCEPT F Cweld spatter included) 8 MT Csize problem-by others) 1-CCF-029 C ACCEPT F 1-CCF-056 C ACCEPT F Csize problem-by others) 1-CCF-057 C ACCEPT B, F, & MT 1-CCF-058 C ACCEPT F, L, N, 8 MT 1-CCF-060 C ACCEPT F, L, &N 1-CCF-071 C ACCEPT K, L, N, 8 MT Csize problem-by others) 1-CCF-117 C ACCEPT MT 1-CCF-122B C ACCEPT B, D, & F Csize problem-by others) 1-CCF-136 C ACCEPT F Csize problem-by others) 1-CCF-197 C ACCEPT N Csize problem-by others) 1-CCF-198 C ACCEPT N 1-CCF-201 C ACCEPT D & F 2-CCF-067 C ACCEPT F r'T 2-CCF-079 C ACCEPT F

() 2-CCF-080 2-CCF-085 C C ACCEPT B, F, 8N ACCEPT L Csize problem-by others) CBT-08WP Gee ACCEPT F Csize problem-by others) CBT-15WP Gee ACCEPT F CBT-26WP Gee ACCEPT F CBT-27WP Gee ACCEPT F CBT-3WP Gee ACCEPT F

         **0-ER-01996X1   C   Further Evaluation CBy others)

B, F Cweld spatter included), K, L, N, & MT

         **1-AFDF-3B      C   Further Evaluation CBy others) and size problem (by others) MT
         **1-AFDF-92C     C   Further Evaluation CBy others) PT
         **1-AFDF-96C     C    Further Evaluation CBy others) F, N, & PT
         **2-AFDF-25AA    C   Further Evaluation CBy others) MT & PT
         **2-AFDF-25BB    C    Further Evaluation CBy others) MT & PT
         **2-CCF-068      C   Further Evaluation CBy others) B, N, 8 MT
         **2-CCF-089X1    C    Further Evaluation CBy others) F, N, 8 MT and size problem (by others)

Indications or imperfections as identified by Table 9.2 legend

        ** These welds may be considered acceptable upon satisfactory resolution by others. (Acceptable NDE by reinspection.)

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Appendix 4.3 Page 10 of 10 ATTACHMENT B BASE MATERIAL INDICATIONS All base material indications reported visually or by surf ace examination methods were evaluated in terms of their relationship to the welding process. All base material indications which were clearly separated f rom the weld were determined to have no relationship to weld quality. Those base metal indications which were reported to extend to the toe of the veld were evaluated further by OE to establish if they could be related to the welding process. The following welds were evaluated by OE-CSM for base material indications which terminate at the veld toe as a result of liquid penetrant or magnetic particle examination. 1-CCF-57 1-CCF-15C 1-CC-2125 1-CCF-26 1-CC-2126 1-AFDF-49A 0-EA-1498 1-CCF-71 1-CCF-117 Additional reinspection of these welds by an OE Engineer certified as an SNT-TC-1A Level III inspector, identified the reportable indications result from imperf ections in the base material which are inherent and common to these type materials. The codes used during construction and the present codes would not require surf ace examination for these materials. Because these indications meet the base material specification, and they have been hydrostatically examined, their fitness for continued service is satisfactory.

r I APPENDIX 4.4 Appendix 4.4 is OE's evaluation of size, length, or location discrepant conditions identified by visual inspection of 32 piping welds. The i following conditions are evaluated: ; i i i Underfill ! Inadequate Leg Length i l > Reinforcement I e i j l l i l l l 096073.02 i l

O C o APPENDIX h.b ETALUATION REFORT OF UNDERFII.L. IR&DBOUATE LEC LENGTE. OR EICESSITE RBINFOSCEMENT Vela TTF8 FITTING DEFlcitpCT DISPOSITION JYSTIFICAflop WELD P0. WELD MAP i 0-EA-409 IA-9, RIO Full Fee Sec-o-let (M) 1/16" underfill, 360* Acceptable mete 1 O-E4-410 EA-9, 310 Full Fem Soc-o-let (M) 1/16" underfill, 3608 Acceptable Bote 1 l O-EA-1535 EA-42, 88 Full Fem See-o-let (M) 1/32" underfill, partial Accept able sete ! O-IA-1592 RA-43, 35 Fell Fee Sec-o-let (M) 1/16" underfill, 360* Acceptable Sete ! O-EA-1593 EA-43. 15 Full Fee Soc-o-let (M) 1/16" underfill, 3608 Acceptable ante 1 0-EE-7926 BBCW-46, 84 Full Fee Soc-e-let (M) 1/32" underfill, partial Acceptable mete 1 0-28-19914 BaCV-07, a6 Full Fee VFI Fipet (M) 1/32" underfill Acceptable Bote 2 0-EA-372 RA-8, R8 Fillet SW Flease (B) les length I.4 to Accept able Bote 3 l O-EA-373 RA-8, R8 Fillet SW Fleese (B) les length 1.4 to Accept able Bote 3 0-EA-300 RA-8. 84 Fillet SW Flease (5) les length 1.4 to Acceptable mete 3 note 3 O-RA-3 01 SA-8, R8 Fillet SW Flosse (E) les length 1.4 to Acceptable 0-SA-1510 EA-42, R8 Fillet SW 71ange (8) leg length 1.4 to Acceptable sete 3 0-EA-1516 EA-42, R4 Fillet SW Flasgo (E) les length 1.4 to acceptable Sete 3 0-EA-1565 EA-43, 15 Fillet SW Flosse (E) leg length 1.4 to Acceptable Bote 3 0-SA-1575Il RA-43, a5 Fillet SW Fleage (E) leg length I.4 to Acceptable pote 3 l 1 0-RA-1577El E4-43, 15 Fillet Filter (B) les leegth 1.4 to acceptable sete 3 i 0-EA-1594 EA-43, a3 Fillet SW Flanse (E) les leasth 1.4 to Acceptable mete 3 CSTOWF CST-1 Fillet SW Fleese (5) les leaath 1.4 to Acceptable Bote 3 ' l-CCF-26 A-7166, Ril Sutt Pipe to Flange (E) Reinforce 5/32", 1/2" length Acceptable sete 4 1-CCF-54 A-7167. El6 Bett Pipe to Elbow (E) Beinf orce 5/32", 60* Accept able sete 5 l-CCF-136 A-7169, 312 Dutt Pipe to Pipe (5) Beinforce 5/32", 1* length Accept able Bote 4 } Acceptable Bote 4 l-CCF-145 A-7 86 9, 312 Butt Fipe to Pipe (E) seinforce 5/32", 1/2" length 1-AFDF-38 A-7151 Butt Fire to Talve (t) Reinforce 5/32", appres. 908 Acceptable mete 5 j 1-AFDF-51 A-7152, a6 sett Fipe to Talve (E) Reinforce 5/32", 1-1/2" length Acceptable mete 5

!                                         l-AFDF-54        A-7152, R6              Butt       Elbow to Valve (E) Reinferee       5/32*, 30*               Accept able                sete 4 1-CCF-71         A-7167, 316             Bett       Flye to Tee      (M)   1/32" to 1/16" enderfill,1808        Acceptable                 note 6

' (M) 1/32" underfill,1-1/2" Acceptable Bote 4 l-CCF-197 A-7170, att sett Fipe to Talve 2-CCF-42 A-7426. R1S Butt Pipe to Velve (M) 1/32" moderfill, 360* Acceptable sete 6 2-CCP-8411 A-7426, B15 Bett Pipe to Velve (M) 1/32" underfill, 3608 Acceptabl e Bote 6 Acceptable pote 6 2-CCF-85 A-7426. B15 Bett Pipe to Talve (M) 1/32" underfill, 360* 1-CCF-15A A-7166 Ell Fillet Stenchien Support - Bote 7 l-CCF-1223 A-7166, til Fillet Staschios Support - Bote 7

)                                         POTES.

j I. De crose sectiemal area of the weld is at least twice that of the branch pipe and the section modulee of the weld is et least 3 times

that of the breach pipe. Therefore, the weld is acceptable for both pressere and heading leads.

2. The weld dimensione esceed staie m well requiremente for pressere. Therefore, the weld is acceptable for pressere leads. The fitting le threaded and plegged, and has me bending loads free corrected pipias.

3. The welds wee identified as being deficient because the weld lege were sonettoes less than 1.4 to. Bewever, the amor 1974 addeeds to the 1973 edition of ANSI 331.1 (threesh the corrent edition of ABS! 331.1) requires les lengths of eely 1.09 to. for necket welded flesses. The weld lege exceed 1.09 ta and the weld is in accordance with ANSI S31.1. Therefore, the weld is acceptable for both pressere and boedlag i leade.

4. The seesered reinforcenest of 3/16" does est exceed the ellowable reinf orcement values given by Table 127.4.2 of A381 B31.1 (1973 through current edities). The weld to in accordance with ANSI 331.1 and to therefore acceptable for both preeeere and boedias Icede.

5. The meesered reinforcement (7/32") escoede the ellowable reinforcement (3/16") siven by Table 127.4.2 of ANSI 831.1 (1973 threeen correns edition) by 1/32*. This 1/32" esceae. which occare over a relatively small portion of the weld, is est considered to be significant for this piping. Therefore, the weld is acceptable for both pressure and bending toede.

 !                                        6. The noted underfill occare et the weld between the pipe and a fittias of heavier crose section them the pipe. It wee determined that the underfill is with roepect to the fitting rather than the pipe eed that the weld thicknese is actaally greater than the minismes pipe well f                                            thickaeos. Therefore, the reported wederfill is of as ceasequency and the weld is acceptable for both pressere med bending leads.

7. Evelsaties by support design secties. (See Appendia b.5) j

                                          *   ( ) Indicottee or leperfecties se identified by Table 4.2 Legend.

Page 1 of I i

4 , i

i i

i i 1 APPENDIX 4.5 4 A l PPendix 4.5 is OE's evaluation of weld discrepant conditions of pipe

support attachment welds. N conditions were identified by visual inapections. h following conditions are evaluated

i i i , .i j Offset /Aligament j Weld Size t Undersize 1 i i O i i i ] l l l 4 I l r 096049.04 e-,+w _g- s,www- . . y-revev 9wv -

Appendix 4.5 g Page 1 of 1 Evaluation of Reinspection Data from Weld Numbers 1-CCF-15A and 1-CCF-122B on the Cossonent Coolina System at SQNP Weld Weld Weld Deficiency N eber Map _ _ Type Fittina Evaluated Disposition Justification 1-CCF-15A A-7166 Groove Elbow (C) Offset / Accept Note 1 Support Alignment (H) Weld size Accept Note 2 1-CCF-1225 A-7166 Groove Elbow (C) Offeet/ Accept Note 1 Support Aligtunent (H) Weld size Accept Note 2 (D) Undercut Accept Note 3 Note 1. Offset / alignment accepted by SQEP-C3 engineering evaluation. The weld of the j Stanchion to the process pipe is adequate to meet design loads. Note 2. Weld size accepted by SQEP-C3 calculations. (/ Note 3. Undercut accepted by SQEP-C3 calculatione. The support is adequate with the 4 indicated undercut to meet design loads.

        * () Indications or imperfections as identified by Tabic 4.2 legend.

1 J i I O 096049.04

__ _ - - - - . _ . __ =_ _. . _ . . - _. _ ._ , ._ . . . _ i 096044.04 r APPMDIX 4.6 l t t Appendix 4.6 is a stummary of the reinspection data and OE's evaluation of ' the discrepant condition identified by the visual inspection of 15 butt { velds located in spiral weld duct section. The following conditions were inspected and are evaluated. A Porosity i Undercut I -

 ,                                                                                                               Convexity i

! Overlap Weld filler metal i Missing veld segment ;. I 4 l t I

i i 4 4 p l , 1 I I

096044.04 Appendix 4.6 Page 1 of 2

      \                                                                       EVAlmTIM RIRET OF SPIRAL WED DUCI JUDGiberfAL    RElwism WE2D MfGER                  lEID NAP       WEIE TYPE                            EMIDLTIS      DEFICIIBICY   DISFGi1 TIN       JUSTIFICATIN 2-tW-1                      Setch                  Butt                           Average    None               Accept         Note 1 i

2-iN-2 Sketch Butt Average None Accept Note 1 2-lW-3 Setch Butt Average None Accept Note 1 2-4N-4 Setch Butt Average None Accept Note 1 l 2-IN-5 metch Butt Average Missing Accept Note 2 W1d Segant 2-HV-6 Setch Butt Average Missing Acapt Note 2 Weld

2-IN-7 Setch Mt Average Missing Accept Note 2 ,

. Weld

                                                                                                              %=n' 2-HV-8                      Setch                  Butt                           Average    None               Accept          Note 1

! 2-tN-9 Setch Butt Average Missing Accept Note 2 Weld Sgnant 2-iN-10 metch Butt Average Missing Acapt Note 2 i Weld hP"* ! 2-4N-11 Setch Iktt Average Missing Accept Note 2 Weld Sesamt 2-IN-12 Retch Ibtt Average Missing Accept Note 2 Weld 2-IN-13 Setch Butt Average Missing Accest Note 2 Weld Segamt 2-tN-14 Setch Butt Average None Accept Note 1 2-IN-15 Sketch Iktt Average None Acceit Note 1 l 1 m -_c-- ...-.,--,_~-_,-.__.w,.. ,,.---,.-----.-__,___,_,-,---m.-rw,,.,~~, ,-,v-. ,, .-.

I 096044.04 Appendix 4.6 , Page 2 of 2 '

/)                                        EVALUATION RIPORT OF SPIRAL VELD DUCT                                      !

TABLE 1 NOTE 1: Welds accepted on the basis of the inspector's examination and evaluation. NOTE 2: The rejection area of each of the noted weld joints was .in a five-to-nine inch length of butt veld against the concrece containment wall. The limited access to this portion of these joints resulted in unacceptable and/or missing veld on the 0.D. of the duct. The welding on these portions of the weld joints was known typically to have been completed on the I.D. of the duct. In order to confirm this f act "windova" were cut in the duct wall to permit visual inspection of typical areas where I.D. welds were provided to properly complete a weld joist. These visual inspection " windows" were cut in both 10" and 24" ducts which were part of the reinspection ducts. Visual inspection of the I.D. of the ducts revealed that in all cases investigated, an equivalent or larger area (i.e. , larger than the portion of the 0.D. weld which was missing) had in fact been welded on the I.D. It was further noted that the I.D. welding quality was generally at least of average workmanship for the 3 conditions of limited access. One weld segment inside of a 24"

 )
,f-(,                transition section was judged to be below average and unacceptable by the visual inspection. However, additiocal assessment of this weld by OE found that for its intended purpose this weld was structurally sound and performs its intended function, even though the veld is of poor workmanship. Further support for the integrity of this duct system is found in the fact that after the orginal construction, a satisf actory leak check was performed on these ducts, thus providing additional evidence that the joints are welded to provide adequate sealing.

We therefore find no adverse effect on the function or adequacy of the system as a result of this I.D. welding technique. Duct structure is not adversely affected by this I.D. welding technique and thus the structure is judged to be completely adequate for the service intended. 4 I l o

                                                                                                                                                      - _m_ _ -

4 k 3 i-f I APPEllDIX 4.7 1 4 i l i ! 4 i Appendix 4.7 is an evaluation to determine if are strikes on austenitic , stainless steel are injurious defects which compromise the integrity of the 1 i { material. l t l i t I' 4: i l i T I

i i ! i l. I l i 1

'                                                                                                                                           096098.02             [

i

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     . . .      -         . - _ _ _ . - _   _ . - . _ . . . - _ -                    - - - _          . - . - . . _ . - . - . . . . . . . _ ~ . . _ . . _ - _

i Appendix 1.7 4 Page 1 of 13 ANALYTICAL ' 4 i, . O SEQUOYAH NUCLEAR PLANT WELDING PROJECT j METALLURGICAL EVALUATION j- 0F AUSTENITIC STAINLESS { STEEL ARC STRIKES i i 1 l , f l 1 t I r i r 'O Prepared by llAin - ME ate h U 7 / i j Submitted by h E* Q)& Date 3

                                                                                   #j        '3*    lFi

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t i i l l i l !O l l l ! I 4

Appsndix h,7 Page 2 of 13 INTPODUCTION Q The subject evaluation was performed at the request of the welding project site coordinator to clarify concerns pertaining to welding related are strikes on austenitic stainless steel piping and fittings. This evaluation is to determine if are strikes on austenitic stainless steel are injorious defects which compromise the integrity of the material. The areas for this evaluation were selected by the In-service Inspection Group and are representative of the remaining stainless steel are strike areas in question. LISCUSSION Six areas adjacent to the welds listed below were metallurgically examined for are strikes. These areas are on the essential air system that is common to both units 1 and 2. The are strikes were apparent to the inspectors during visual examination; however, no indications were detected by penetrant exsmination. Weld No.

1. 0-EA-1526

2. 0-EA-1533 3 0-EA-1593 4 0-EA-1502

5. 0-EA-410

6. 0-EA-15991 Surface replicas were taken from these a eas and examined for size of defect, evidence of melting, and structural discontinuities.

Four of the are strikes eranined were spherical in shape. The two remaining are strikes were narrow and elongated, indicating that the electrode was moving rapidly across the surface when the are strike was _ made. The spherical are strikes ranged from 0.05 inch to 0.130 inch in diameter, and the two remaining are strikes ocasured 0.160 inch 0.560 inch in length. Examination of the replicas at various magnifications showed evidence of localized meltirJg which was apparent by the presence of a dendritic crystal structure that resulted from liquirication and solidification.

   . - _ _ - . .           . ,    -,,,,,,-,_m.-,m_,         - , , , , . , . , - . , _ ~ , , . _----      -7_. ,  .. - - - - , ,~_

App:ndix k.7 Page 3 of 13 2 Because of the difference in the relative mass of the small melted area and the surrounding base metal, there was rapid cooling of the are strike area resulting in no significant heat-affected zone which subsequently minimizes the chance for grain boundary sensitization. Also, since austenitic stainless steels do not form martensite or harden during rapid quench, the problem of cracking resulting from hardened areas that is associated with are strikes and hardenable alloys, such as carbon steel, does not occur in this material. Attached are photographs showing replicas of the representative are strikes in the as found condition and also after metallurgical preparation of the surface. CONCLUSION AND RECCMMENDATIONS This metallurgical evaluation and penetrant testing has demonstrated that cracking and other structural discontinuities do not exist in the austenitic stainless steel piping and fittings as a result of the are strikes examined.

The arc strikes are assumed to be shallow and were shown to have a dendritic crystal structure. Since this material does not harden uoon

 -p,   rapid cooling and no evidence of sensitization was detected, the potential for future cracking is minimal or nonexistent.

a Based on the above conclusions, the representative and remaining areas in question do not appear to compromise integrity of the rystem or to present any liability for future operation and as such should be left "as is". TRW:DFS 01/30/86 B6030A.DS a e ) v

4 Appendix 4.7 I Page 4 of 13 1 4 1

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j Figure 1B - As foun 1 surface replica of are strike near weld No. 0-EA-1526 j at 32X MAG. Diameter of are strike approximately 0.100 inch. : I

l i Appendix 4.7 Page 5 of 13 l

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Appemlix 4. 7 Pal;e 6 of 13

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1 Figure 2A - Post-metallographic replica of are strike near weld No. 0-EA-1533 at 12x MAG.

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k I r Appendix ' 7 Page 7 of 13

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f Appendix 4.7 Page 8 of 13 O . e f . s . e 4 i

l l Figure 3A - Photetraph showing polished and etched surface adjacent to weld No. 0-EA-1593 Arrow denotes area of are strike. Surface is representative = of other polished and etched surfaces. l 2.-

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Figure 3D - Replica of surface at 20X MAG after metallograpic preparation i near weld No. 0-EA-1593 Lr;ngth cf are strike approximately 0.160-inch. i I

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e'l ,'sl['Ws?N O'4l-~ M .?; *l4 . Figure 4D - Figure.s 4C and 4D Post-metallographic surface replica near weld No. 0-EA-1502 at 12 and 32X respectively. Diameter of are strike approximately 0.130 inch. I L _- .

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                                                                                                                                                   .ere typically small, isolated areas of porosity and small linear indications.

It is important to note that veld repair consisted onjy of minimal surf ace conditioning required to remove the indications in order to y render the welds acceptable to the reinspection criteria. Repair by welding of unacceptable welds was not required and in no cases during the surf ace conditioning was minimum wall thicknesses violated such that additional weld metal was required. Due to their surface appearance with partial paint removal, concerns were raised regarding the inspectability of welds 1-AFDF-92C and 1-AFDF-%C. It should be noted that after diligent cleaning using picks, solvents, and handwire brushes, these welds were inspectable. Condition of the welds af ter cleaning more closely represented the condition of the welds at the time of original inspections rather than at the time the concerns of uninspectability were raised. (These welds are discussed in more detail in Appendix 4.9). Four of these eight welds were part of a modification performed on the 096097.05
Appendix 4.8 Page 3 of 10 \ auxiliary feedwater system in 1984. Discrepancies were found in work plan documentation for two of these four welds and were documented in Discrepancy Report DR 86-02-028R. It is recogr.ized that welds not passing the initial reinspection could be the result of undocumented work performed af ter the original inspection. Such a situation would likely be the result of either maintenance or modification activities that were not properly documented. However, research into maintenance and modifications activities and records as well as interviews with individuals cognizant of welding activities, did not produce any objective evidence that the conditions noted for the two welds were the result of undocumented welding activity. (This concern is further discussed in Appendix 4.9). Re-reinspections for the eight welds were performed consistent with ASME Section III, as prescribed in Addendum 2 to the Reinspection Plan. Welds not meeting the Section III criteria were inspected to ASME Section XI criteria for Class 2. Welds then not meeting this criteria were carefully filed or ground to eliminate or reduce the indications to a size acceptable to ASME Section XI Class 2. As permitted by ASME Section XI the Class 3 piping welds were evaluated to the requirements of Class 2. A detailed account of the actions taken for the subject eight velds follows in Section 2.0. D 096097.05
Appendix 4.8 Page 4 of 10 f% O 2.0 WELD-BY-WELD SUNIARY 1-AFDF-92C Reinspection Results: PT inspection noted linear indication caused by rough surf 6ce. The visual inspection was acceptable. Action Taken: Paint remaining in veld area was handcleaned with picks, solvents, and wire brushes (no grinding or power wire brushes) Re-reinspection Results: satisfactory PT acceptable to ASME Section III Basis for Acceptance: ASME Section III 1-AFDF-96C Reinspection Results: PT noted rounded indications in the weld and unacceptable imperfectisn of porosity and arc strikes were identified by visual inspection. Action Taken: Paint remaining in weld area was handeleaned with picks, solvents, wire brushes, and then the PT indications were removed by light filing. 096097.05
Appendix 4.8 Page 5 of 10 f~% Q' Re-reinspection Results: Satisfactory PT, acceptable to both ASME , Section III and XI Class 2. The imperfections identified by the visual inspection are acceptable by OE evaluation (See Appendix 4.3). Basis for Acceptance: ASME Sections III 2-AFDF-25AA Reinspection Results: Both PT and MT noted linear indications in weld and the visual inspection was acceptable. Action Taken: Paint remaining in weld area was handeleaned with picks, solvents, and wire brushes (no grinding or power wire brushes). Re-reinspection Results: Satisfactory PT, acceptable to ASME Section XI Class 2 and satisfactory MT, acceptable to ASME Section III. Basis for Acceptance: ASME Section XI 2-AFDF-25BB Reinspection Results: Both PT and MT noted linear and rounded linear indications in weld. The visual inspection was acceptable. . O 096097.05
~~. . _ , _ _ _ _ _ _ - . . . . _ _ =_ ,- -.~~
Appendix 4.8 Page 6 of 10 Action Taken: Paint remaining in veld area was handcleaned with ( picks, solvents, and wire brushes. PT and NT indications were removed by light filing. Re-reinspection Results: satisfactory PT, acceptable to ASME Section XI Class 2 and satisfactory MT, acceptable to ASME Section III. Basis for Acceptance: ASME Section XI , 1-AFDF-38 r Reinspection Results: MT noted linear indications in weld, and unacceptable imperfection of reinforcement was identified by visual inspection. Action Taken: MT indications were removed by light filing. Wall thickness was recorded before and af ter grinding. Re-reinspection Results: Satisfactory MT, acceptable to ASME Section , III and ASME Section II Class 2. Adequate wall thickness remained. The imperfection identified by the visual inspection are acceptable by OE evaluation (see Appendix 4.4). Basis for Acceptance: ASME Section III s j 096097.05 l
Appendix 4.8 Page 7 of 10 2-CCF-68 Reinspection Results: MT noted linear indications in weld and unacceptable imperfections of porosity and contour / transition was r identified by visual inspection. Action Taken: MT linear indications were removed and area of porosity was reduced by grinding. Wall thickness before and af ter filing was recorded. Re-reinspection Results: Satisfactory MT, acceptable to ASME Section III and ASME Section XI Class 2. Adequate wall thickness remained. The imper: ctions identified by the visual inspection are acceptable by OE evalaation. (See appendix 4.3) Basis for Acceptance: ASME Sections III 2-CCF-84X1 Reinspection Results: MT noted linear indications, in weld, and unacceptable imperfection of underfill, porosity, and arc strike was identified by visual inspection. 096097.05
Appsadix 4.8 Page 8 of 10 p y Action Taken: No additional surface preparation; reinspection (MT) to ASME Section XI Class 2. The excess powder being held by the weld transitions was blown out reducing the indication to acceptable size. Re-reinspection Results: Satisfactory MT; acceptable to ASME Section XI, Class 2. The imperfections identified by visual inspection are acceptable by OE evaluation. (See appendix 4.3 and 4.4) Basis for Acceptance: ASME Section XI O-ER-1996X1 Reinspection Results: MT noted linear indications in weld and in the base metal. Unacceptable imperfection of porosity, arc strikes, contour / transition, fusion and overlap was identified by visual inspection. Action Taken: Removed linear indications by grinding. Wall thickness before and after grinding was recorded. Re-reinspection Results: satisfactory MT; acceptable to ASME Section II, Class 2. Adequate wall thickness remained. The imperfections identified by visual inspection were acceptable by CE evaluation. (See Appendix 4.3) O./ u 096097.05 1
Appendix 4.8 Page 9 of 10
/^ \ Basis for Acceptance: ASME Section XI 3.0 ANII The Authorized Nuclear Inservice Inspector (ANII) is an independent inspector required by TVA's commitment to ASME, Section XI to witness the repair, replacement, and modification of ASME items. During the piping reinspection the ANII witnessed the disposition and final NDE of all eight welds in question.
~~4.0~~
~~SUMMARY~~
AND CONCLUSIONS All reportable indications on these eight welds were determined to be insignificant and were removed by cleaning and/or by minor surf ace conditioning in the areas of the indications or evaluated to ASME Section XI criteria and are acceptable, i )' All the surfaces of these welds were determined to Lc suitable for , performance of the required NDE at the time of original acceptance. No evidence of improper inspector activities was found. i O 096097.05
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~~-__._._._.___._l 1~~
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~~l j- Appendix 4.8 Page 10 of 10 G - No evidence of undocumented modification activities was~~
~~found. !~~
~~. )~~
b i No further weld reinspection activities are recommended. i' I i . 1 l f 6 l 8 i i ! l e , ! I le 1 l 4 l : I i l f i i i ,
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h t j. C l l t l t r O 096097.05 l t i
1 1 APPENDIX 4.9 i i 1 Appendix 4.9 is a discussion of the effect of the existing surf ace condition on the inspectablity of the two welds. l l i 096097.05
Appendix 4.9 Page 1 of 4 p
.g INSPECTABILITY & DOCUMENT ASSESSMENT 1.0 INSPECTABILITY ASSESSMENT OF WELDS 1-AFDF-92C AND 1-AFDF-96C During the reinspection the subject welds, which were a part of a 1984 modification installing a cavitating venturi section in Unit 1 auxiliary feedwater system, required special attention and evaluation.
~~This was due in part to the existing surf ace condition of the welds~~
~~- which raised doubts as to their inspectability by the PT method. The records did verify original PT acceptance. Concerns were also expressed regarding the qualifications of the original inspectors.~~
The removal of tightly adherent paint proved to be the most difficult part of the reinspection process. An extensive and meticulous effort was required to present a weld surface suitable for NDE. Following complete paint removal both welds were inspected by the PT method. The inspection was then carried out in a routine f ashion with no more diligence than a normal cleaning ef fort being exerted. Both welds proved to be inspectable by the Liquid Penetrant Method af ter all 1 paint was removed. l l l 096097.05 i h
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~~Appendix 4.9~~
~~Page 2 of 4~~
("'s t' In view of the previously identified doubts and concerns about these two welds, the WP initiated an in depth investigation to review the following: welder and inspector qualifications, work experience, and professional rept ations; and records review addressing both accuracy, adequacy, and possible undocumented welding activities by maintenance or modifications. This investigation demonstrated adequate welder and inspector qualification / experience and revealed no undocumented welding activities. However, discrepancies were identified involving weld data sheet documentation for the modification to the Unit 1 , Auxiliary Feedwater System. 2.0 DOCUMENTATION REVIEW OF MODIFICATION WORK PLANS . Due to the discrepancies discussed in the Unit 1 auxiliary feedwater (/ cavitating venturi modification, a spot-review of modification work plans was performed to determine whether or not this discrepancy was isolated. Seven randomly selected work plans were identified which spanned work plan activities from 1982 to present. A surveillance involving system walk-downs and documentation review was performed to verify that the correct welding process and filler material was used. 096097.05 _- _ _ _ _ - _. _ ~ - - -_-,
Appendix 4,9 Page 3 of 4 i
*~ Four of the work plans involved a large number (approximately 800) of i
small diameter stainless steel socket welds. Ten percent of these velds from each work plan were reviewed. The remaining three work [. plans involved two essential raw cooling water modifications (36 welds) and the unit 2 auxiliary feedwater cavitating venturi modification (12 welds). These work plans _ involved gas tungsten arc and a combination of gas tungsten are and shielded sets 1 are processes. All of the welds from these three work plans were 4 reviewed. Visual observation of the velds sufficiently confirmed that the i correct veld process had been used. There were on only a few cases (as compared to the total observed) where veld appearance;i.e. , paint, rust, grinding, etc., made it visually impossible to determine the i
~~; weld process used.~~
~~i With the exception of the Unit 2 Auxiliary Feedwater cavitating i~~
~~venturi modification, the proper filler metal was listed on the work I plan data sheet for the welds which were reviewed.~~
~~t i I i~~
~~! 096097.05 I~~
1 i
Appendix 4.9 Page 4 of 4 Weld data sheets for six of the twelve velds on the Unit 2 Auxiliary Feedwater cavitating venturi modification showed a combination gas tungsten arc-shielded metal are process required. However the same weld data sheets showed that only gas tungsten arc filler materist was actually used. A review of the rod room records provided conclusive evidence that shielded metal arc welding rods were issued for four of the six joints in question. A Discrepancy Report (DR 86-03-065R) was initiated to document and address the documentation problems. These discrepancies appear to be limited to the Units 1 and 2 Auxiliary Feedwater cavitating venturi modifications performed during the 1984-1985 timeframe. Because the gas tungsten arc-shielded metal are process was not commonly used in modification activities, it appears that the welders did not consistently enter the shielded metal arc
\
filler material on the weld data sheets. In light of this inconsistency, the Welding Project recommends the following corrective action for future activities: (1) instruct and/or train welders, welder foremen cognizant engineers, and others as required of the necessity of accurate filler metal record-keeping on weld data sheets, particularly when combination process welding l procedures are used; and (2) the site Quality Assurance organization shall perform a final review on a surveillance basis of work plans to assure proper documentation. This number may be reduced or increased depending on results of the review. lO .I
~~096097.05 1~~
t APPENDIX 4.10 l Appendix 4.10 is a list of personnel who l performed the reinspection of welds described in this report i l i 3 i r 5
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1 f i 4
i-Appendix 4.10 Page 1 of 1 WELD REINSPECTION PERSONNEL T__VA . William W. Epperson Donald Zion Herbert J. Schumacher Chester A. Fabbri Carol White , Larry Warner Brett McCreary l Dennis Allen . Robert Hardaway 4 Dewayne Hill - Mickey Baxendale i Eston Shipp Bob Robinson i .I i BECHTRL Mike Dutra ', Gary R. Hoffman 5 i i i i t l i I I i I, i 4
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O 5.0 SEQUOYAH PROGRAM RESULTS REPORTS 5.1 PHASE I RECOMMENDATIONS STATUS A number of recommendations for prograsumatic improvements were made by the Welding Project as a result of the Phase I welding progtam assessment and have been evaluated. The conditions related to the improvements do not have an adverse impact on the quality of the welds and do not impact restart of SQN. Deficient conditions have been resolved, but there are several areas for program improvements, simplification, clarification, and elimination of redundancies to be addressed. The present program has resulted in as-built welds which meet design requirements and are suitable for service. The program improvement implementation details will be developed and implemented f ollowing completion of our overall review of all TVA nuclear plants. For a detailed listing of Phase I recommendations, see Section 2.3 of the Executive Summary of the SQN Phase I Report as needed enhancements / improvements to the welding program. APTECH.1
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4 } h 5.2 EMPLOYEE CONCERNS CONCLUSIONS l The Welding Project has performed a detailed review of 135 Employee ! Concerns applicable to SQN received as of April 7,1986. The . individual Employee Concerns have been analyzed as well as supporting investigative documents, such as ERT/QTC investigations and NSRS Reports. The Employee Concerns were evaluated in two stages as 1 ^ follows:
~~The first stage evaluation determined the basic issues of each concern~~
~~! and evaluated these issues against existing programs, policies, and ,~~
procedures to determine if program elements were deficient when j evaluated against upper tier requirements; or to determine if program implementation has been deficient. The individual Employee Concern was substantiated if the issue was determined to be a correct observation when analysed against existing progren, policies, and , procedures. In addition to the first stage analysis of the Employee Concerns { l- issues; the concerns were also evaluated to determine if they I contained any observations which would result in program or policy improvements; or were correct observations of acceptable practices. Any issues identified to fall into this category were determined to be valid if they contained information of this type. Page 1 096098.05 i i 4
Ovarall rscommandations from this cualysic are includsd in the recommendations section of the report.
~~,O a V~~
~~The Welding Project has prepared formal reports on both the WBN~~
-generic and the SQN specific Employee Concerns where other organizations had not done so or where WP felt that the investigating organizations had not considered all aspects of the Employee Concern as it relates to the Welding Program. A summary analysis of the WP evaluations and recommendations is included in Appendix 5.1 for the generic concerns and in Appendix 5.2 for the SQN specific concerns.
~~5.2.1 STATISTICS 1 A total of 135 Employee concerns were considered as follows:~~
1. Total WBN Specific Employee Concerns determined to have possible generic applicability to SQN 108 A. Substantiated 36 (includes 6 specific SQN considered w/ generics)
B. Not Substantiated 72 (includes 3 specific SQN considered w/ generics) II. SQN Specific Concerns 27 A. Substantiated 9 I .I B. Not Substantiated 17 C. Acceptable Practice 1 III. Total Concerns Considered 135 A. Substantiated 45 B. Not Substantiated 89 i C. Acceptable Practice 1 i l -s Page 2 096098.05 v 1 I
5.2.2 RESOLUTION OF THE SON RELATED EMPLOYEE CONCERNS j'
\
~~Several corrective actions are pending or underway due to the Employee Concerns program. They are as follows:~~
1. OE and SQN corrections to box anchor design deficiencies identified in NSRS Report I-85-560-SQN.

2. Nuclear Operations (NO) deficiencies regarding compliance with ANSI N45.2.5 came f rom an expansion of NSRS Report I-85-768-SQN and subsequent WP analysis outlined in WP Report WP-16-SQN.

3. Inadequacies in the Nuclear Operations ISI program were identified in NSRS Report I-85-3'73-NPS . This item had previously been identified in audits.
~~A U~~
~~4. A specific case of poor welder performance was identified in NSRS Report I-86-115-SQN.~~
4
~~5. Minor implementation deficiencies in the Nuclear Operations welder qualification continuity program were identified in NSRS Report I-85-13 5-SQ N.~~
~~Review of the WBN Specific Employee Concerns considered to be generic to SQN revealed the following: f~~
~~1. Minor implementation deficiencies in the NO welder performance qualification continuity program were identified in WP Report Page 3~~
~~( 096098.05~~
~~- _ =_. . . . _ _ _ _ - -~~
~~WP-03-SQN. These conclusions reinforce and supplement the f~ conclusions of NSRS Report I-85-135-SQN.~~
2. Nuclear Operations (NO) deficiencies regarding compliance with ANSI N45.2.5 were identified in WP Report WP-16-SQN. This expands on data contained in NSRS Report I-85-768-SQN.

3. Office of Engineering (OE) design deficiencies regarding welding details on box anchors were originally identified through the Employee Concerns Program. This is identified in WP Report WP-15-SQN and NSRS Reports I-85-541-WBN and I-85-560-SQN.
It should be noted that in each case the review and evaluation of the WBN specific Employee Concerns determined to be generic to SQN pointed to and reinforced the investigations and evaluations on the corresponding SQN Specific Employee Concern. This system of review has given a comprehensive look at individual issues through two separate vehicles of this program. Other issues in Employee Concerns were substantiated; but they have no effect on the QA program or hardware. WP has reviewed recommendations on Employee Concerns and has formulated additional recommendations based upon WP analysis of Employee Concerns. Details of this analysis are contained in Appendix 5.2 for SQN Specific Concerns. It should be noted that in several instances that the existing Quality Page 4 096098.05
Assurance program had identified the area of deviation prior to the Employee Concern which subsequently had the issue investigated. \ '; In susunary, the Employee Concerns Program has identified three problem areas with design or QA Prograra elements. Two other problem areas involve implementation of existing programs. The analysis of the Employee Concerns did not identify any hardware deficiencies. The overall evaluation of the Employee Concerns for SQN resulted in the following recommendations for program improvement:
~~1. All personnel working in the welding quality assurance program should be trained in the principles of the program and given an overview of how the gotal program works.~~
; 2. Although not widely used during the construction era of SQN, the practice of allowing administrative craf tsmen to update their welder performance qualifications by simply running a weld bead should be prohibited. All welder performance qualifications held by administrative craf tsmen should be lapsed as they run out.
Page 5 096098.05
5.3 APTECH REPORT CONCLUSIONS b) APTECH has performed a review of the welding /QA program at Sequoyah Nuclear plant and has evaluated the quality of welds through a review of the preservice and inservice inspection results and Licensee Event Reports related to welding. The following conclusions are developed based upon these reviews: o The welding program contains the necessary controls to ensure , high quality velds (af ter the 1974 AEC audit). o SNP evaluated the quality of welds made prior to the 1974 audit through reinspection and repair where required. Those welds made prior to the 1974 audit are now considered to be satisfactory. r o The rate of significant indications detected during the preservice and inservice inspections is less than 5% with greater than 95% confidence, o No Licensee Event Reports have been generated which relate to poor quality field welds. Based upon these conclusions, there is no evidence that the quality of welds at Sequoyah Nuclear Plant are not fit for their intended s e rvice.
~~'- ' APTECH.1 w , _ . . _ _ . , m,,. . _ - - -~~
5.4 BECHTEL AUDIT CONCLUSIONS O V An independent audit team from Bechtel Power Corporation conducted a formal quality audit in accordance with the Audit Plan for SQN (Section 3.4) of the welding programs as implemented during construction by Office of Construction and the current programs implemer.ted by Nuclear Operations. The audit team concluded the following: (1) the one finding as stated in the Audit Report (Section 3.5) had no direct impact on actual veld quality since TVA procedural requirements were in excess of referenced codes and standards; (2) the quality program for welding activities has been adequately implemented by Office of Construction and Nuclear Operations; and (3) for the Employee Concerns incorporated into the audit checklists, the audit team was unable to substantitate any of the concerns as being valid or with merit. O In summary, the independent audit substantiates that welding activities at Sequoyah have been performed in accordance with a documented quality assurance program by both Construction and Nuclear Operations. i L APTECH.1
5.5 REINSPECTION CONCLUSIONS / RECOMMENDATIONS CONCLUSIONS All of the veld joints of the structures and butt welds on spiral weld duct that were reinspected meet design requirements. All of the reinspected piping welds are acceptable for use and meet Code requirements. Additional reinspection of welds is not required. RECOMMENDATION o Instruct and/or train velders, welder foremen, cognizant engineers, cnd others, as required, of the necessity of accurate filler metal record-keeping on veld data sheets, particularly when combination-process welding procedures are used. The Site s
~~) Quality Assurance organization shall perform a final review oa a surveillance basis of work plans to assure proper documentation.~~
APTECH.1
l 5.6 OVERALL CONCLUSIONS / RECOMMENDATIONS A review of commitments, procedures, and design output documents which implement and control welding has demonstrated that TVA has an acceptable program in place which meets commitments, even though program deficiencies did occur. An Engineering evaluation of these program deficiencies demonstrated that they did not result in inadequate welds in the plant. An audit by an independent contractor has demonstrated that the welding program was adequately implemented during the construction and operations and maintenance phases of Sequoyah Nuclear Plant. It has been denonstrated in a review of ISI, PSI, and operating data by APTECH, Inc., that the Nuclear Class 1 and 2 piping welds and welds on Nuclear Class 1, 2, and 3 hangers and component supports are fit for service. In order to establish a high confidence level in all welds at Sequoyah Nuclear Plant, additional welds in Class 3 piping systems, HVAC ducts, and structurally significant components were selected for reinspection. The results of the reinspection confirm i I that the reinspected mechanical welds are acceptable for use, meet l code requirements, and no additional reinspections are required. The results of the reinspection of structural welds confirms that the i reinspected weld joints are acceptable for use, meet design requirements, and no additional reinspections are required. 1 i l t Page 1 096098.04 I i ll i k - . . _ - - ________
~~. . - _ . _~~ . - . .- -,-~~
I -- N (% . s ,/ The Welding Project has performed a detailed evaluation of 135 l Employee Concerns on Sequoyah Nuclear Plant. The Employee Concerns as well as QTC, NSRS, and WP investigations and reports have been analyzed for program and hardware impact. f , Several corrective actions are underway or pending as a result of Employee Concerns as described in Section 5.2; however, this analysis has shown that none of the Employee Concerns have resulted in inadequate welds in the plant. i The combination of all these actions taken by TVA has demonstrated (1) the adequacy of the welding program to meet regulatory requirements; (2) with the minor exceptions noted, the program was properly implemented; and (3) the suitability for service of the welds in the Sequoyah Nuclear Plant. Additional reinspections of welds are not I required. TVA/0E should incorporate into a single document (G-29) the j requirements for the TVA welding program for all organizations. This
should be the document to which all related work is perf ormed. This f will result in a unified welding program which can be consistently i controlled and implemented and which will minimize confusion in
, implementing organizations. l Page 2 096098.04 i-d
O APPENDIX 5.1
~~SUMMARY~~
OF WBN EMPLOYEE CONCERNS DETERMINED TO HAVE POSSIBLE f O GENERIC IMPLICATIONS TO SQN 096098.03
Appendix 5.1 f Page 1 of 4 V
~~SUMMARY~~
OF WBN EMPLOYEE CONCERNS DETERMINED TO HAVE POSSIBLE GENERIC IMPLICATIONS TO SQN EMPLOYEE CONCERN NUMBER ISSUE WP ACTION EX-85-039-001 ASME Welding Material Control, Not substantiated by WP Evaluation EX-85-021-001 Traceability, Accountability, Report Number WP-01-SQN. Report IN-85-234-001 and Conditioning. recommends these concerns be closed IN-85-424-001 based on Bechtel Implementation IN-85-426-001 Audit, Key Elements 12.0 and 17.0. IN-85-352-002-IN-85-337-002 IN-85-424-004 IN-85-424-007 IN-85-453-009 IN-85-454-004 IN-85-672-003 IN-85-424-006 IN-86-150-001 IN-86-167-001 WI-85-041-001 IN-85-441-003 [\~/
) WI-85-053-004 XX-85-068-006 WI-85-013-003 Inspection of Welds Through Not substantiated by WP Evaluation WI-85-041-006 Paint Report Number WP-02-SQN. Report IN-85-458-001 recommends these concerns PH-85-040-001 be closed based on Bechtel IN-85-767-003 Implementation Audit, Key NS-85-001-001 Elements 10.0 and 14.0.
WI-85-041-008 Existing Program IN-85-346-003 Welder Performance Qualification Substantiated as it relates to EX-85-021-002 Continuity Nuclear Operations (NO) Welder IN-85-426-002 continuity. This had been PH-85-052-002 previously identified by PH-85-052-X03 NO in an audit. Details and IN-85-627-036 recommendations are given in IN-85-940-X04 NSRS Report I-85-135-SQN. WP IN-85-480-004 Evaluation Report Number EX-85-042-003 WP-03-SQN concurs with NS9S IN-85-113-003 Recommendations IN-85-352-001 I-85-135-SQN-01 through -03, IN-85-835-002 and recommends theses concerns IN-85-53 2-00 5 be closed based on the Bechtel (N IN-85-778-001 Implementation Audit, Key (,)IN-85-770-002 Elements 4.0, 5.0, and 17.0 and IN-85-493-004 pending completion of the SQN NO IN-85-424-011 review of Welder Performance Qualifications. SUM.WB L
Appendix 5.1 rs Page 2 of 4 EMPLOYEE CONCERN NUMBER ISSUE WP ACTION IN-85-406-003 Availability of Weld Inspection Not substantiated by IN-85-134-002 Tools WP Evaluation Report WP-04-SQN. IN-85-007-001 No action required. IN-85-339-005 Duct Installation and Substantiated as it relates PN-85-012-XO3 Documentation to the duct being too close to walls to weld and as to welding and attendant inspection from the inside of the duct (IN-85-339-005). Not substantiated as to not having a program (PN-85-012-X03). WP evaluation report number WP-05-SQN has details. IN-85-476-004 Training and Certification of Not substantiated by WP IN-85-981-001 Construction Welding Inspectors Evaluation Report Number WI-85-081-007 WP-06-SQN. Report recommended WI-85-041-002 these concerns be closed based on the existing program and Bechtel SQN Implementation ((~S) Audits, Key Elements 6.0, 7.0, 8.0, 11.0, and 17.0. IN-85-706-001 Welder Training Program For Not substantiated by WP Evaluation IX-85-045-001 Construction and Nuclear Report Number WP-07-SQN. Report Operations recommends these concerns be be closed based on the Welder Qualification Program, Welder Training Program, and Bechtel SQN Implementation Audit, Key Elements 3.0, 4.0, and 5.0. IN-85-273-001 Painting Requirements Related to Substantiated by WP Evaluation JN-85-192-002 Welds Report Number WP-08-SQN. Closed YE 85-059-001 pending completion of SQN CAR IN-85-451-001 86-01-001. IN-85-406-002 Weld Inspection Criteria Used For Not substantiated by WP Evaluation SQN Construction Report Number WP-09-SQN. Report recommends they be closed based on the existing program and Bechtel SQN Implementation Audit, Key Element 10.0. O i V I
1 Appendix 5.1 Page 3 of 4 'U EMPLOYEE CONCERN NUMBER ISSUE WP ACTION WI-85-030-010 SQN Implementation of Weld Substantiated by WP Evaluation Program Study QAE-80-2 Report Number WP-10-SQN. Report recommends it be closed. This study was not applicable to SQN. IN-85-282-002 Surface Grinding of Welds Not substantiated by WP Evaluation IN-85-271-001 Report Number WP-11-SQN. Report recommends it be closed. Grinding is an acceptable practice. IN-85-247-001 Electrode Quality Not substantiated by WP Evaluation IN-85-411-002 Report Number WP-12-SQN. Report IN-85-600-001 recommends they be closed. Review of histoic data did not identify this issue for SQN. The reinspection did not identify this issue for SQN. IN-85-247-002 Suitability of Welding Equip- Not substantiated by WP Evaluation IN-85-303-001 ment For Construction and Report Number WP-13-SQN. Report n Modification Welding Activities recommends they be closed. Review indicates equipment is suitable. The Reinspection did not identify problems due to welding equipment. IN-86-158-006 Administrative Policy Not substantiated by WP Evaluation IN-86-047-001 Report Number WP-14-SQN. Report recommends they be closed. XX-05-098-001 Laminated Pipe in Unit 2 Not substantiated by WP Evaluation Condensor. This issue is also Report WP-18-SQN on Specific Summary
*SQM-5-001-001 Performance of Preweld WP Evaluation Report WP-16-SQN *SQM-5-001-002 Inspections Report WP-16-SQN has substantiated WBM-5-001-001 the issue for Nuclear Operations BEM-5-001-001 Operations noncompliance with ANSI BEM-5-001-002 N45.2.5 Surveillance Program for Bm-5-001-002 Structural Welding. Interim !
~~WI-85-080-007 corrective actions have been IN-85-212-001 formulated. Closure is based on these actions. Additional~~
*Also Listed in corrective action may be the Specific implemented Summary.
~~SUM.WB Appendix 5.1 p) Page 4 of 4~~
- ' EMPLOYEE CONCERN NUMBER ISSUE WP ACTION IN-85-127-001 Vendor Weld Quality The issue vendor welds not the IN-85-007-003 same quality as TVA field welds IN-85-657-001 was substantiated by NSRS I-85-753-WBN. The issue that vendor welds are not inspected in field was not substantiated.
WP Evaluation Report WP-17-SQN recommend concerns be closed. No corrective action identified. EX-85-039-003 Design Deficiency Relating to Box Substantianted by NSRS Report IN-85-40 5-001 Anchors I-85-560- SQN. Additional issues IN-85-613-001 were not substantiated by WP Report Number WP-15-SQN. WP Report concurs with NSRS recommendations. IN-85-021-003 WBN Employee Concerns With NO WP Evaluation Report WP-19-SQN IN-85-965-001 Generic Applicability to SQN WI-85-003-001 IN-85-612-006 p/IN-85-725-X15 ( ,, IN-85-725-X14 IN-85-540-001 IN-86-143-001 IN-85-503-001 WI-85-084-001 IN-85-501-001 WI-85-030-008 IN-85-532-006 IN-85-021-X05 IN-85-335-002 IN-85-424-X13 IN-85-612-X07 IN-85-770-003 IN-85-770-X07 IN-85-778-X07 IN-86-167-005 IN-86-167-XO6 i WI-85-003-X02 IN-85-543-002 1 .- l k
i 5 APPENDII 5.2 i
~~SUMMARY~~
OF SQN SPECIFIC EMPLOYEE CONCERNS REVIEWED BY WELDING PROJECT i 1 l l f I i i 096098.03 i l
~~c. 1 Appendix 5.2 Page 1 of 2~~
~~SUMMARY~~
OF SQN SPECIFIC EMPLOYEE CONCERNS REVIEWED BY WELDING PROJECT EMPLOYEE CONCERN NUMBER ISSUE WP ACTION XX-85-088-003 Alterations to Welder Not substantiated by ERT Report Qualification Records in XX-85-088-003 of 3/8/86. Knoxville XX-85-124-001 Burial of Electrode Stubs Not safety-related. No action required. XI-85-086-003 Box Anchor Design Deficiency Substantiated by NSRS Report I-85-56 0-SQ N. WP concurs with report recommendations. XX-85-069-003-R1 Acceptance of Previously Rejected Not Substantiated by NSRS Report NDE Items I-85-7 38-SQN. WP concurs with report recosunendations. SQM-5-001-001 Uncertified Welder Fcreman Substantiated by WP evaluation SQM-5-001-002 Performing Preweld Inspections Report WP-16-SQN. Interim WBM-5-001-002 corrective actions are being (Also listed in formulated. Closure is basedted the Generic on these actions. Additional Summary) corrective actions may be implemented. XI-85-068-007 Manufacture of Dravo Spool Not substantiated by NSRS Report Piece I-85-636-SQN. XX-85-069-001 Inadequate OJT-Records for ISI The general issue of inadequate XX-85-069-001-R1 and QC Personnel for NO OJT-records was substantiated by XX-85-069-X05 NSRS Report I-85-373-NPS. No XX-85-06 9-X07 falsification of records was substantiated. WP concurs with report recommendations.- SOM-6-005-001 Craft Welder Incapable of Making SQM-6-005-001 was substantiated; SQM-6-005-X02 Proper Welds. SQM-6-005-X02 was not substantiated by NSRS Report I-86-115-SQN. WP concurs with report recosunendations. XX-85-013-001 E309 Electrode Used to Weld E316 This is an acceptable practice. Steels ERT investigated in ERT Report
~~\ XX-85-013-001, dated 3/22/85. WP concurs.~~
Appendix 5.2 Page 2 of 2 ENPLOYEE CONCERN NUNBER ISSUE WP ACTION XX-85-041-001 Improper Weld Rod Used in Diesel Not substantiated by NSRS Report Generator Building I-85-7 56-SQ N. XX-85-049-001 Welder Certifications Updated XX-85-049-103 XX-85-049-001 was substantiated as Without Meeting Requirements it relates to Welder Continuity Requirements. This had previously been identified by NO in an audit. XX-85-049-X03 was not substantiated. Details and recommendations are given in NSRS Report I-85-135-SQN. WP concurs with I-85-135-SQN-01 through -03 and recommends they be closed based on the WP-Bechtel Audit of SQN in Rey Elements 4.0, 5.0, and 17.0 XX-85-054-001 QC Holdpoint Sign-Off Violation Not substantiated by NSRS Report I-85-346-SQN. XX-85-065-001 Performance of Remote Visual Not substantiated by NSRS Report Inspections I-85-7 50-SQ N. V XX-85-083-001 SQN Weld Inspections not as Not substantiated by NSRS Report Strict as WBN 1-85-652-SQN. XX-85-098-001 Laminated Pipe in Unit 2 Not safety-related. Not Condenser. This issue is also substantiated by WP Evaluation on the Generic Summary Report WP-18-SQN. XX-85-100-001 Improper Weld Repair on an Not substantiated by ERT Report Undetermined Number of Welds XX-85-100-001, dated 3/5/86. XX-85-101-006 Welder Certification for the ERT Report XX-101-006 with NSRS Construction Era Recommendations indicates that this concern is substantiated. WP has determined that this analysis misses the point of the concern. WP recommends this concern not be substantiated and that it be closed based on the WP-Bechtel Implementation Audit, Key Elements 4.0, 5.0, 17.0. XX-85-102-011 NDE Inspectors Cannot Write Not substantiated by NSRS Report Notice of Indications for I-85-735-SQN. Preservice-Related Defects Socket Welds Not Inspected Not substantiated by NSRS Report (Q/ XX-85-108-002 XI-85-108-001 I-85-776-SQ N. L_}}

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1.0 INTRODUCTION

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SUBJECT:

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References:

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