ML20148L958

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Forwards Rev 1 to Special Maint Instruction SMI-0-317-52, Instrument Line Clamp Insp, Addl Info & Responses Re Various Element Rpets,Per Request
ML20148L958
Person / Time
Site: Sequoyah  Tennessee Valley Authority icon.png
Issue date: 01/14/1988
From: Russell J
TENNESSEE VALLEY AUTHORITY
To:
NRC OFFICE OF ADMINISTRATION & RESOURCES MANAGEMENT (ARM)
Shared Package
ML20148L965 List:
References
NUDOCS 8801280258
Download: ML20148L958 (16)
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Text

TENNESSEE VALLEY AUTHORITY Watts Bar Nuclear Plant P. O. Box 800 Spring City, Tennessee 37381 January 14, 1988 U.S. Nuclear Regulatory Consnission Attn: Document Control Dosk Washington, DC 20555 Gentlemen:

In the Matter of the Application of ) Docket Nos. 50-327 Tennessee Valley Authority ) 50-328 EMPLOYEE CONCERNS TASK GROUP (ECTG)

In response to your requests for additional information concerning various element reports related to Sequoyah Nuclear Plant restart, TVA has researched the pertinent information and the appropriate responaes are included as Enclosure 1.

Please contact Ron Gagne at (615) 365-3788 Watts Bar, if you need further assistance.

Very truly yours, TENNESSEE VALLEY AUTHORITY

-R O i James R. Russell Watts Bar Nuclear Plant ECTG Licensing Manager cc (See page 2.):

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8801280250 880114 PDR ADOCK 05000327 PDR P

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An Equal Opportunity Employer

2 U.S. Nuclear Regulatory Commission ec (Enclosures):

Mr. K. P. Barr, Acting Assistant Director Regional Inspections Division of TVA Projects Office of Special Projects U.S. Nuclear Regulatory Commission Region II 101 Marietta Street, NW, Suite 2900 Atlanta, Georgia 30323 Mr. John A. Zwolinski, Assistant Di.ector For Projects Division of TVA Projects Office of Special Projects U.S. Nuclear Regulatory Commission 4350 East West Highway EWW 322 Bethesda, Maryland 20018 Sequoyah Resident Inspector Sequoyah Nuclear Plant 2600 Igou Ferry Road Soddy-Daisy, Tennessee 37379 l

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a Enclosure 1 I

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EMPLOYEE CONCERN REPORT 17303

1. Question: Has the corrective action for this report been completed?

Response: Per request of Mr. Hukam Garg of your office, we are aubmitting a copy of the case file closeout package (Enclosure 2).

EMPLOYEE CONCERN REPORT-19101

1. Question: Has the galvanized steel cable tray material noted in your report been accounted for in TVA's Post-LOCA hydrogen generation calculations?

Response: The Post-LOCA hydrogen generation calculations were generated subsequent to a physical walkdown of all original material installed. A1) rework performed after this time is controlled through the use of design change docum0.-ts which are reviewed to ensure that any change in the amount of galvanized or zine material used in the containment building in noted for '

consideration in recalculations of this type.

F EMPLOYEE CONCERN REPORT 24101

1. Question: The response to an RAI on this report noted that ERCW MCC supply cables were meggered and hipot tested. At what voltage were these cables tested?

Response: The four ERCW MCC transformers supply cables were hipot tested to 13kV with the load disconnected.

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l UNITED STATES GOVERNMENT T 2 5

  • 8 7 0 'T 3 0 808 l Memorandum TENNESSEE VALLEY AUTHORITY

,TO  : H. L. Abercrombie, Site Director, ONP, O&PS-4, Sequoyah Nuclear Plant FROM  : W. R. Brown, Jr., Program Manager, Employee Concerns Task Group, ONP, Watts Bar Nuclear Plant DATE  :

JUL 3 01987

SUBJECT:

SEQUOYAH NUCLEAR' PLANT (SQN) - EMPLOYEE CONCERNS TASK GROUP (ECTG) ELEMENT REPORT C017303 - SQN, REVISION 3 - CONSTRUCTION CATEGORY - CORRECTIVE ACTION PLAN (CAP)

CLOSURE VERIFICATION

Reference:

Your memorandum to me dated July 18, 1987 (S03 870716 850)

The ECTG construction category evaluator and group leader have reviewed the completed documents for the corrective action 1.sted for the CAP to CATD 17303-SQN-01 in the above reference. The correttive actions were determined to be complete and the CAP is closed. This CAP was a restart requirement.

The CATD 17303-SQN-01 closure documents are attached for your records and action by your site for this CATD is complete.

W. R. Brown, Jr.

JLH:KDH Attachments cc (Attachments): ,

RIMS, MR AN 72A-C P. Brackins, FSB, ONP, Watts Bar R. C. Denney, DSC-P, ONP, Sequoyah

.T - t Howard. ECTG BldR.. ONP, Watts Bar Guy Huff, ECTG Bldg., ONP, Watts Bar 5841T l

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  • ECTG C.3 Attachment A Page 1 of 1 t, Revision 2 - A ECSP Corrective Action Trackinr, Document (CATO)

INITIATION Applicable ECSP Report NO:

1. Imediate Corrective Action Required: O No
2. Stop Work Recomended: O Yes gNo'[Yes
3. CATD No . CO / 9505- S v# - / 4. INITIATION DATE
5. RESPONSIBLE ORGANIZATION: S ##voyA# A4 A .5/727 B>R urc#
6. PROBLEM DESCRIPTION: .JE(QR O NQR Tus comear une etawa wn: eimr: WDMMh4 14%TALGD MM%ED h52.146 eR ACTFT. t uSTAt L Art 0 4 . At% E*T*t4- M%55% CS- W ACcGMA*A W

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7. PREPARED BY: NAME il M . O t a # N Ef__. , DATE: 9 74- 6to
8. CONCURRENCE: CEG-Ji -/d % -feW DATE: 9-44-#4
9. APPROVAL: ECTG MGR." @ f/Z Q DATE: ?/ /#7 CORRECTIVE ACTION
10. PROPOSED CORRECTIVE ACTION PLAN: T &'2E' T & h k T / A "M /f7d b 7 V / 4 r A 10 2 A W DL.k 1 5 6 *S S f.->l Za I 7 fo'/

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11. PROPOSED BY: DIRECTOR /MGjP- /> 4f M /6 DATE: A.1 -/ f -/- C.
12. CONCURRENCE: CEG-H: MuA % 'AL-- .M DATE : /z -; 9-/4 SRP[*/ ~,? i /'

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ECTG PROGRAM MGR: 8'gFM14 A DATE: 7/2 =/'s 7 l l /

VERIFICATION AND CLOSEOUT

13. Approved corrective actions have been verified as satisfactorily imple ent d.

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SIGNAIll'dE I TITLE DATE

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. . ', NI D STATES GOVERN 5!ENT

[emO7dndMM TENNESSEE VALLEY AUTHORITY

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To  : W. R. Brown, Jr., Program Manager, Employee Concerns Task Group, ONP, Watts Bar Nuclear Plant FROh!  : H. L. Abercrombie, Site Director, ONP, 0&PS-4, Sequoyah Nuclear Plant DATE  : December 19, 1986 ,

SUBJECT:

- EMPLOYEE CONCERNS TASK GROUP (ECTG) ELEMENT SEQUOYAH NUCLEAR PLANT (SQN)

REPORT 173.03 SQN R1 - CONSTRUCTION CATEGORY - CORRECTIVE AC

Reference:

Your memorandum to me dated October 2, 1986, "Transmittal of ECSP Report and Corrective Action Tracking Documents (CAIDs)"

(T25 861002 862)

I acknowledge receipt of your element report and in accordance with your request (see reference). Element Report 173.03 SQN R1 has been reviewed for applicable corrective action.

f By way of this. memorandum I am endorsing the site line organization CAP, returning your CATD No. C017303-SQN-1, and attaching the CAP for your review / concurrence. This CAP i_s,a restart requirement. ,

If you agree with the proposed CAP, please sign the ECTG concurrence space king

._below item 9 .gn the CAP tracking checklist and return the CAP trac checklist.

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p H. L. Abercrombie RCD:JDS:JB:CS Attachments RECElygo cc (Attachments):

RIMS, MR 4N 72A-C (SS3 861217 808)

T. C. Price, 5-212 SB-K Q[C} g gg Emches concerns Task 0473T .

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SQA166 Revision 8

. Attachment A I , Page 1 of 2 Corrective Action Plan of Dmployee Concern Investigation Tracking Checklist ECIG Report /CATD Number C017303 - SQN/CATDd C017303-SQN-1 Lead Organization Responsible for Corrective Action Plan Construction Initiation Date 10-8-86 CCRRECTIVE ACTICN PLAN (CAP)

1. Does this report required corrective action? Yes x No (If yes, describe corrective action to be taken, if no, provide justification)

A sample survey of instrument lines on critical systems will be conducted by Mechanical Maintenance. DNE will evaluate this data to determine if 8 sufficient iustification for restart exists under present conditions.

2. Identify any similar item / instances and corrective action taken.

,I Those mentioned in this report for bolt tightness (SCR CEB 8612).

  • Corrective action was to tighten bolts on selected supporte per construction noecification N2C-946.
3. Will correct.ive action preclude recurrence of findings? Yes X ,

No

- 4. Does this report contain findings that are conditions adverse to qualltv (CAQ) as defined by AI-12 or NEP 9.17 YES X No

5. IF a CAQ condition exists, what CAQ document was initiated?

SCR CEB 8612 was already existing

6. Which site section/organi:ation is responsible for corrective action?

Mechanical Maintenance 'and D?TE

7. Is corrective action required for restart? Yes X No (This determination is to be made using Attachment C of SQA166.)
8. P2 :one number for restart corrective action? Zone 9306
9. Estimate completion date for correction action. 2/13/87 CompletedBy; / Date !L/ L f Ll t 418 (o Approved By a %od krhb-- - Date , t /n 186 ECTG Concurrence 11 M Ih must Date 12 71. S 6 i l

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10. Was your corrective action initiated ar.d completed in accorda sce with step 17 Yes No
11. If step 10 is no, describe the corrective action taken.
12. Is the corrective action implemente. tion complete? Yes No
13. Is the corrective action documentation closed? Yes No
14. What documents were used to implement the corrective action?

e Completed By: Date Verified By: Date M G Closure: Date (Step No.) Description I

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S03 870716 850 CNITED STATES GOVERNMENT

' Memorandum TENNESSEE VALLEY AUTHORITY To W. R. Brown, Jr. , Program Manager, Employee Concerns Task Group ONP, Watts Bar Nuclear Plant FnoM '

H. L. Abercrombie, Site Director, O&PS-4, Sequoyah Nuclear Plant DATE -

July 18, 1987 stBJECT: SEQUOYAH NUCLEAR PLANT (SON) - EMPLOYEE CONCERNS TASK GROUP (ECTG) ELEMENT REPORT 173.03 SON - CONSTRUCTION CATEGORX - UNIT 2 RESTART CORRECTIVE ACTION PLAN (CAP) IMPLEMENTATION

Reference:

Your memorandum to me dated January 6,1987, "Sequoyah Nuclear Plant (SQN) - Employee Conc?rns Task Group (ECTG) Element Report C017303-SON - Construction Category - Corrective Action Plan (CAP)

Acceptance Transmittal" (T25 870106 853)

I acknowledge receipt of your concurrence with my CAP on Element Report 173.03 SON (see above reference).

The restart corrective action for this report has been completed. Attached is the site line organization corrective action completion document for your use. .You may proceed with your completion verification of this restart corrective action.

Please sign the ECTG closure space below item 14 on the CAP tracking checklist and return the CAP tracking checklist.

/ $k 4 H. L. Abercrombie RCD:JOS:JB:MJW Attachment cc: RIMS, MR 4N 72A-C (SS3 870715 908) 'ICir!5D '

J. L. McAnally, A10810B, Watts Bar ( Attachment) 0423D l

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Attach. ment A .

4 Page 1 of 2 Corrective Action Plan of Deployee Concern Investigation Tracking Checklist ECTG Report /CATD Numb.er C017303 - SON /CATDd C017303-SON-1 Lead Organt:ation Responsible for Corrective Action Plan Construction

. . Initiation Date 10-8-86 -

CCRRECTIVE ACTICN PLAN (CAP)

1. Does this report required corrective action? Yes X No -

(If yes, describe corrective action to be taken, if no, provide justification)

A samole survey of instrument lines on critical systems will be conducted bv Mechanical Maintenance. DNE will evaluate this data to determine if a

sufficient justification for restart exists under present conditions.

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2. Identify any similar item / instances and corrective action taken.

Those mentioned in this report for bolt tichtness (SCR CEB 8612).

Corrective action was to tighten bolts on selected supports per construction snecification N2C-946.

3. Will corrective action preclude recurrence of findings? Yes X No

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4. Does this report contain findings that are conditions adverse to quality as defined by AI-12 or NEP 9.l? (CAQ)

YES y No

5. IT a CAQ condition exists, what CAQ docenent was initiated? ,

SCR CEB 8612 was alreadv existing

6. 'r@.ich site section/organication is responsible for corrective action?

Hechanical Maintenance and DNE

7. Is corrective action required for restart? Yes X No

?

(This determination is to be made using Attachment C of SQA166.) .

8. P2 :ene number for restart corrective action? Zone 9306
9. Estimate completion date for correction action. 2/13/87
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Standard Practice' Page 9 i SQA166 Revision 9 7 ATTACINDC A Page 2 of 2 j CAP CLOSURE

10. Was your corrective action initiated and' completed in accordance with step 17 Yes / No
11. If step 10 is no, describe the corrective action taken.

I 12. Is the corrective action implementation completel Yes / No

13. Is the corrective action documentation closed? Yes / No
14. What documents were used to implement the corrective action? SEE e>atow i Completed By: #d Ad Date 7 B 7 Verified By: '9h )f.A-W f Date "7 t "7 ECTG Closure: M'f.Th '

V' W Date 7-M 8 7 (Step No.) *

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AND CooEOtW ATioed . _ _ _

B t:5 1101'21 o't ? Meno Sacs witsc's me wone s (mivins stain oc nus AC T t V IT I E N 4 2 C B10 t'Z7 O'1'1 twee OATEo I 4-ti . veom O.W. witsow he L.x NoMes 4

COuttVDiu ca THAT :2c5TAQT CAN SE JO%1ictED i NCR SO N tf A A7 15 CsE te E E iC. 15%VfS CC NC C E w tu ta A LTE R u AM Aw A5 W 5:5 L .2 4 G10 40C G C"1 1

M E M o D AT E D 4 A - G"I TAoM R. 6etotty O*RECTea CE NET 4 LEAR SJfETv .%. D L n C E w 9m (a To U.S . MO CLE AL I

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, ECIG C.3 l Attachment E I Page 1 ef 3 Revision 4 ,

l ECTG VERIFICATION CLOSEOUT CHECKLIST I I I I I I lCATD No. C017303-SON-1 l l 1 I l lThis CATD was designated: l C/A completion notification l l l Memorandum RIMS No. S03 870716 850 l lD'QR CAQ No.SCRSONCEB8612 l l l l This memorandum denoted CATD: l 10 NQR l C Partial Closure l l l O' Complete Closure l l 1 l l

SUMMARY

C/A elements reviewed i i I l EVWaltdown documents EVProcedure and/or drawing revision l l O Document and/or drawing reviews O Training records l l O Examination or test results O Modification (ECN) documents l l WEngineering analysis O New program (s) l l O Repair or replacement records O Other - specify [

l I I I l DISCUSSION: Special Maintenance Instruction SMI-0-317-52 was issued l l to implement a sampling program to determine if the installed l l pipe / tubing hangers meet the required span criteria and to l l find any missing clamps. DNE reviewed the final results to l l ensure that the existing pipe / tubing configurations, as l l well as, pipe / tubing hanger installations are adequate to l i meet their design functions, Reference DNE calculations l l N2-ECP-173.7-MISC (RIMS # B25 870421 808) and SQCG1011X84 l l (RIMS # B25 870425 827). Therefore, the post restart l l schedule for the correction of these discrepancies l l (i.e., loose, damaged, and missing clamps) per Construction l l Specification N2C-946 has been fully justified. 1 I l 1 l 1 l 1 1 I i i I l D' Continued l l 1 l l

Conclusions:

Corrective actions were adequate Wyes O No O N/A l I l l Yes No N/A l l D' O O Deficiencies adequately scoped l l D' O O Deficiencies corrected l l D' O O Actions required to prevent recurrence complete l J

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ECTG C.3 '

Attachment E Page 2 of 3 Revision 4 l VERIFICATION CLOSE0UT CHECXLIST i

l CATD NO. C017303-SON-01 Initials dMC._ Date 7-Z9 87 I (

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I (Continued) l DISCUSSION:

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l Special Maintenance Instruction SMI-0-317-25 will-identify l l

and correct the loose, damaged, or missing clamps on all l l accessible Unit 1 and Unit 2 instrument lines for Unit 2 l I

and common supports before the return to service from I l Unit 2 Cycle 4 outage and for Unit 1 and comenon supports l  !

I before the return to service from Unit 1 Cycle 5 outage. I I

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The revised Modification and Additions Instruction, I I

M&AI 09, and the revised drawings. 47A050-17. -18, and.-18A, I Will prevent recurrence. I I

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,' ECTG C.3 ,

Attachment E l Page 3 of 3 i Revision 4 l

VERIFICATION GUIDANCE 1 l

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l CATD NO. C017303-SON-01 Init'ials //N C Date 7-29 87 l M,f l J l Verification activities should answer two questions: , l l

l l (1) Were specific corrective action commitments and requirements l 1 completed? I l (2) Were the corrective actions taken adequate? l l

1 l The verifier should consider whether or not the corrective actions taken l l address the identified problem in a manner consistent with the explicit l l and implied elements of the corrective action plan that was accepted by l l ECTG. At s' minimum, the corrective actions should have identified all l l similar deficiencies if similar deficiencies exist, corrected all l l identified deficiencies, and implemented all actions required to prevent l l recurrence where applicable. The verifier should describe the evidence l l found to substantiate verification of corrective action and give the l l appropriate document references and/or hardware observed to aid in l l retrieval of the supporting documentation and/or justify conclusions. l 1 I l If the "Corrective Actions were adequate" N/A block is checked in the l '.

I conclusion.section, this indicates that no corrective actions were

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I required and an explanation of th.is finding should be given in the "l i

! discussion section. 1 I I I I I I l 1 l l 1 I I I I I I I I I I I I I I I I I I I I I I I I I I I

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