ML20148T406

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Responds to NRC 870309 Technical Evaluation Rept Recommendations Re Cable Pulling & Bend Radii Concerns. Incomplete Rev 0 to Nuclear Engineering Procedure-9.2 & List of Util Commitments Encl
ML20148T406
Person / Time
Site: Sequoyah  Tennessee Valley Authority icon.png
Issue date: 01/29/1988
From: Gridley R
TENNESSEE VALLEY AUTHORITY
To:
NRC OFFICE OF ADMINISTRATION & RESOURCES MANAGEMENT (ARM)
References
NUDOCS 8802030295
Download: ML20148T406 (40)


Text

l g !. e TENNESSEE VALLEY AUTHORITY CH ATTANOOGA. TENNESSEE 374ol 5N 157B Lookout Place JAN 291988 U.S. Nuclear Regulatory Comission ATTN: Document Control Desk Washington, D.C. 20555 Gentlemen:

In the Matter of ) Docket Nos. 50-327 Tennessee Valley Authority ) 50-328 SEQUOYAH NUCLEAR PLANT (SQN) UNITS 1 AND 2 - RESPONSE TO NRC TECHNICAL EVALUATION REPORT (TER) RECOMMENDATIONS Raferences: 1. NRC letter to TVA dated March 9, 1987, "Evaluation of Sequoyah Units 1 and 2 Cable Pulling and Bend Radii Concerns"

2. TVA letter to NRC dated November 20, 1987, "Sequoyah Nuclear Plant (SQN) Units 1 and 2 - Cable Test Program Procedures Data, and Results"
3. NRC letter to TVA dated November 13, 1987, "Cable Test Program For Sequoyah Units 1 and 2"
4. TVA letter to NRC dated July 31, 1987, "Sequoyah Nuclear Plant (SQW) Units 1 and 2 - Revised Cable Test Program" The purpose of this letter is to outline TVA's response to the recomendations provided by the NRC in their TER (reference 1). TVA comitted to provide this response before the restart of SQN unit 2 (reference 2).

The NRC's TER, in section 14, provided eight recomendations that they believed were necessary to ensure adequate reliability of the SQN cable system. NRC specified that three of the recomendations, which addressed potential damage associated with pullbys, jaming, and vertical cable supported by 90-degree condulets, were to be resolved before startup of SQN. TVA has successfully resolved these three concerns (reference 2) and has obtained WRC's concurrence based on the preliminary results (reference 3). This letter addresses the five remaining recomendations for which postrestart implementation was agreed to by TVA and NRC (reference 1). The schedule for implementation of each corrective action is identified in the individual response.

Monitorina of Cable Failures TVA recognizes the essential need for monitoring and trending all conditions adverse to quality. The specific relationship of such a program with regard to cable failures was identified in TVA's Employeo Concerns Program (ECP) in 8802030295 890129 p()

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U.S. Nuclear Regulatory Commission )4N 291988 Element Report No. 238.01-SQN-04. TVA's Division of Nuclear Engineering (DNE) has issued Nuclear Engineering Procedure (NEP)-9.2 entitled "Trending of Conditions Adverse to Quality." The program is controlled and administered by .

DNE Engineering Assurance. The program involves analyzing Condition Adverse to Quality Reports to identify adverse trends for further review and assessment.

Any advers3 trends will be researched to determine their root causes. Timely corrective action will be implemented for the root cause of each adverse trend to reduce or eliminate the recurrence of similar problems. This includes all 1 instances of cable failures.

This ECP element report has been reviewed by the Employee concerns Task Croup and, along with NRC recommendation, is considered closed for SQN. DNE NEP-9.2 is included as enclosure 1.

Small Bend Radii for Low-Voltage Cable TVA will implement a program, which may include tests and/or analysis, to ensure that the safety-related, low-voltage power, control, and instrument cables that are bent to radii smaller than four times the cable diameter will <

not be subject to common mode failures when subjected to accident and postaccident environments. In establishing this program. TVA will consider the recommendations of the Insulated Conductors Committee (ICC) Task Force 14-4, of the Institute of Electrical and Electronics Engineers (IEEE) Power Engineering Society. TVA and its representatives are actively participating on this task force entitled "Evaluating Installed Station Cables." In addition TVA will consider the applicability of the cable test program, committed to in reference 4, that will be established consistent with NRC's Office of Inspection and Enforcement (IE) Information Notice No. 86-49.

TVA agrees with NRC's assessment that this potential damage is age related and long term in nature. TVA will provide the details of this particular program in accordance with the commitment for describing the IE Notice 86-49 program,

, which is within six months after restart of SQN unit 2. In the interim, if any i adverso trends occur in this area. TVA's cable monitoring program will ensure that timely corrective action is implemented.

Small Bend Radii for Medium-Voltage Cable TVA will determine the safety-related, 8-kV, shielded power cables that are bent to radii smaller than those presently recommended by the manufacturers of the cables. TVA will take the necessary action to ensure that the cables will j not be subject to long-term degradation that could interfere with the reliability of the cables. In establishing this program TVA will consider NRC's recommendation of periodic de high-potential testing of a sample of cables that had the worst case bends. In additlin, TVA will consider the recommendations of the IEEE/ICC task force 14-4 as well as the applicability of the IE Notico 86-49 program previously committed to.

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U.S. Nuclear Regulatory Consission JAN 291988 TVA agrees with NRC's assessment that this potential damage is age related and long term in nature. TVA will provide the details of this particular program also in accordance with the commitment for describing the IE Wotice 86-49 program, which is six months after restart of SQN unit 2. In the interim, if any adverse trends occur in this area, TVA's cable monitoring program will ensure that timely corrective action is implemented.

Pullinz Through 90-Degree Condulets and Flexible Conduit 2 NRC has recommended that TVA make a survey and assessment of midrun flexible conduits with a significant offset or angle of bend and of 90-degree ,

condulets to determine those that were likely to have had cables pulled through them under mechanical assistance. TVA has carefully reviewed this ,

recommendation. Since midrun flexible conduits and condulets are generally not identified on design drawings, the existence of such raceways or fittings can be determined only through extensive field walkdowns. Upon determination of their existence, it would be virtually impossible to determine whether condulets had cables pulled through them as opposed to having been utilized as a pull point. It would be even more remote to expect to determine which flexible conduits or condulets were likely to have had cables pulled through them with mechanical assistance. TVA does not believe that such a program would be meaningful or is warranted. l TVA has recently completed an extensive in situ cable test program on over 900 conductors, all of which were installed in conduits. All of these i

conductors were selected because they represented the worst case installations as judged by various criteria, generally focused on long, difficult pulls with high expected pulling tensions. It is expectad that

, these conduits contain a representative or even worst case sampling of

midrun flexible conduits and condulets. TVA will review the existing '
isometric sketches of these conduits end identify the existence of the l raceways or fittings of concern. Utilizing this sample, it is expected that 1 TVA will demonstrate the integelty of the cables installed in the raceways

, and fittings in question. This s.mple will be shown to be representative or l will be expanded until it is so justiflod.  ;

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I i If it is determined that a diagnostic program is required. TVA will consider the recommendations of the IEEE/ICC task force 14-4 as well as the

applicability of the IE Notice 86-49 program previously committed to.

The recently completed cable test program, combined with the NRC's statement J

that their discussions with SQN electricians indicated that they did not l

pull cable around the corners of 90-degree condulets, provides TVA with a

high level of confidence in SQN's installed cables. TVt. will complete the l

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  • U.S. Nuclear Regulatory Commission dh jQ g assessment of its existing program to demonstrate a representative sampling of midrun flexible conduits and condulets and provide the results to the NRC within six months after restart of SQN unit 2. If further sampling or diagnostic procedures are required. TVA will describe its program for 2

implementation at that same time. In the interim, if any adverse trends i occur in this area. TVA's cable monitoring program will ensure that timely corrective action in implemented.

Revision of General Construction Specifications i

TVA will revise General Construction Specifications C-38 and G-40 and the appropriate Modifications and Additions Instructions used at SQN to ,

incorporate the recommendations provided in section 14, item 8 of the TER (reference 1). This revision represents an enhancement to TVA's existing procedures that have been demonstrated as adequate by the recent successfully completed SQW cable test program. TVA will complete and implement the above document revisions by April 30 and June 30, 1988, respectively. In addition to the above, TVA has contracted with an outside engineering firm to prepare a new TVA Engineering Requirements Specification for Electrical Installation. This specification, which will supersede G-38 and C-40, will contain the current industry requirements and guidelines for all electrical installations.

Enclosure 2 contains a list of commitments made by this letter. If you have any questions regarding the information provided by this letter, please telephono M. R. Harding at (615) 870-6422. l Very truly yours.

TENNESSEE VALLEY AUTHORITY

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y,- t R. IGbi[oy,Diro Or, N i Nuclea Licensing and Regulatory Affairs t

Enclosures cc: See page 5 l -

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  • U.S. Nuclear Regulatory Commission N29 m cc (Enclosures):

Mr. K. P. Barr, Acting Assistant Director for Inspection Programs  !

TVA Projects Division r Office of Special Projects  !

I U.S. Nuclear Regulatory Commission Region II 101 Marietta Street, J 'W, Suite 2900 -

Atlanta, Georgia 30323  !

Mr. G. G. Zech, Assistant Director for Projects

, TVA Projects Division j office of Special Projects U.S. Nuclear Regulatory Commission Mall Stop 7E23 7920 Norfolk Avenue Bethesda, Maryland 20814 P

, Sequoyah Resident Inspector  ;

l Sequoyah Nuclear Plant [

2600 Igou Ferry Road Soddy Daisy. Tennesseo 37379 i

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i ENCLOSURE 1 TVA Division of Nuclear Engineering Nuclear Engineering Procedure 9.2 Revision 0 Trending of Conditions Adverse to Quality

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3 ATTACHMENT 1 (UNCONTROLLED COPY)

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'87 0515 501 n05 TVA clVislON OF NUCUEAR ENGINEERING C NUCLEAR ENGINEERING PROCEDURE TITLE REVISION O TRENDING OF CONDITIONS ADVERSE TO QUALITY (CAQ) E i OF

  • APPLICABILITY SUPERSEDES ALL NUCLEAR PLANT PROJECTS APPRO L f

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( _ / DIRECTOR OF nucle AR ENGINE E RING 1.0 PURPOSE AND SCOPE This procedure describes tha DNE CAQ Trend Analysis Program for identifying and , resolving adverse trends in CAQs, the issuance of CAQ trend data reports, trend analysis of trend categories, documentation of the analysis results, and corrective action for adverse trends. The CAQs include SCRs, PIRs, NCRs (DNC and vendor), LERs, PT deficiency reports.

CAQRs, NSRS reports, and audits (DNE and supplier).

2.0 GENERAL REQUIREMENTS 2.1 Identification and Documentation of Adverse Trends Adverse trends for DNE problems involve technical or progran:matic concerns which indicate that certain aspects of corrective actions for previously identified CAQs have not been effective and that root causes for these CAQs and the recurrence control should be reevaluated. An adverse trend is considered a significant CAO and shall be documented and processed in accordance with NEP-9.1.

2.2 DNE CAO Trend Analysis program CAQ reports shall be analyzed to identify adverse trends for further review and assessment. This involves isolating instances of the same or similar recurring problems involving DNE. Adverse trends shall be researched to deteruine their root causes. Timely corrective action shall be implemented for the root cause of each adverse trend to reduce or eliminate the recurrence of similar problems. The DNE CAQ Trend Analysis Program shall be controlled and administered by Engineering Assurance (EA). The program elements, including the manner of data presentation, is described in the Trend Analysis Task. Tean Final Report of reference 5.2. The program will include the semi-annual distribution of branch and project trend data reports (TDRs) to DNE branches and projects for their use in identifying and resolving adverse trends. The formal analysis of the trend categories identified in the trend data reports are to be documented in accordance with the instructions in Appendiz F. In addition EA may identify apparent adverse trends and

[ request investigation and resolution fron the responsible DNE branch or

( project.

  • Does not include attachments. -I'

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ll TRENDING OF CONDITIONS ADVERSE TO QUALITY (CAQs) NEP-9.2 2.5 Definitions (Continued) 2.5.2 Trend Analysis--The process of evaluating the data pertaining to a trend for the purpose of identifying significant changes.

2.5.3 Adverse Trend--The repetitiun of the same or similar CAQs at an unacceptable frequency such that it indicates root cause determination and subsequent recurrence control action has been ineffective.

2.5.4 Root cause--The underlying reason for thq estatence of a CAQ. The root cause is the initiating event to a chain of events that led to a CAQ, or the most basic cause that can be reasonably identified and that management has the control to fir. Root cause is discussed in further detail in Appendix B.

2.5.5 Recurrence Contri,1.--Actions designed to address the root cause of a CAQ and thereby pr, vent it from recurring.

2.5.6 Formal Trendina--Trend analysis of CAQs that is accornplished within the structure of the DNE CAQ Trend Analysis Program in response to either DNE Trend Data Reports or EA-initiated Apparent Adverse Trend Reports.

2.5.7 Routine Trending--Trond analysis accomplished outside the structure of

( the DNQ CAQ Trend Analysis Program and EA-initiated Apparent Adverse Trend Reports. Routine trending is normally accomplished at the initiative of DNE management in response to the need to investigate the adequacy of recurrence control for specific trend subjects.

3.0 PROCEDURE 3.1 Administration of Formal Trend Analysis Program 3.1.1 The EA Trond Section Supervisor shall:

a. Serve as the DNE trend analysis program lead.
b. Collect and maintain a data base of information of CAQ reports,
c. Prepare and distribute semi-annual reports of trend data to DNE branches and engineering projects for their area of responsibility, with sufficient annotation to clearly define responsibilities Mark "QA Record" on the record copy of the reports and send them to RIMS.
d. As requested, provide guidance, assistance, and training to the discipline branches and engineeting projects in the analysis of trend data, including developing special trend data sorts / reports.

[ e. Maintain a staff to identify and research adverse trend topics and

( refer to appropriate DNE branches or projects for determination of corrective actions.

3 TV410535 (EN C(3- 7-77) '

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a TRENDING OF CONDITIONS ADVERSE TO QUALITY (CAQs) NEP-9.2 3.3 Analyzing Semi-Annual Reports of Trend Data (DNE Projects) (Continued)

c. Document the results of each periodic analysis of trend data within 60 days of receipt of trend data reports, and provide a copy of the documentation to EA, appilcable branch chiefs (including OES),

and to other projects wt.ich may have the same or similar problems (see Exhibits A and B of Appendit F for suggested formats that provide required information). Provide results of the project analysis to the appropriate branch within 45 days of receipt of trend data to allow the branch analysis to assess multiproject laplications. Document the results of the analysis of Apparent Adverse Trend Reports within 30 days. Documentation shall be marked as a QA Record and sent to RIMS.

3.4 Surveillance of Trend Analysis Results 3.4.1 The EA Trend Section Supervisor shall:

a. Perform surveillance on the results of the trend analysis performed by the branches and engineering projects. Review the trend subjects identified by these analyses, the CAQ groupings 0stablished, the adequacy and completeness of root cause(s), the conclusion regarding

( the presence of adverse trend (s), and the completeness of corrective actions established. Monitor corrective actions through closure,

b. Request additional analysis and/or documentation for trend analysis reviews found to be incomplete or inadequate.
c. Escalate concerns regarding timely and complete identification of adverse trends or adequacy if proposed corrective actions to appropriate management for resolution.
d. Enter in the remarks column of Reports A, B, and C (see Appendia A) descriptive statements from the discipline branch analysis of each identifier or requisition grouping,
e. Analyze trend data to identify progrannatic multiproject and multi-discipline trends, issue apparent adverse trend reports on the subjects. Interface with involved DNE organizations in determining any required corrective actions. Enter corrective action plans into Tracking and Reporting of Open Items (TROI) for related EA TROI items. Monitor corrective actions through closure.

I f. Track and sunnarize trend analysis activities within DNE and prepare appropriate reports, including end-of-cycle reports for i DNE management. Stamp "QA Record" on the record copy of such i reports and send then to RIHS.

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TRENDING OF CONDITIONS ADVERSE TO QUALITY (CAQs) NEP-9.2 4.0 APPENDIXES (Continued) 1 i

4.5 Appendix E, DNE CAQ Data Base Report Examples

, 4.6 Appendix F. Format for Sumrnarizing the Results of the Review for Adverse  ;

l Trends '

5.0 REFERENCES

5.1 NEP-9.1, Corrective Action

5.2 Trend Analysis Task Team final report, attached to memorandwn from i 1

J. R. Lyons to the Technical and Administrative Staff Files dated l

May 2, 1985 (849 850502 005) 1 5.3 NQAM Part I, Section 2.16. Corrective Action 5.4 TVA Topical Report, TVA-TR75-1A i

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  • NEP-9.2 Appendir A DESCRIPTION OF C40 DATA PROVIDED TO BRANCHES GUIDELINES FOR EVALUATION, CORRECTIVE ACTIONS.

AND DOCUMENTATION OF ANALYSIS RESULTS

1. Discipline-sorted trend data reports for the previous 3-year period of "DNE-caused" problems are provided periodically (normally semianually) to the discipline branches. Including references to all CAQRs associated with that discipline for 411 DNE projects.
2. The trend data reports consist of!

I j a. Sunnary lists of recurring groupings of CAQRs which have occurred three or more times within a given equipment or problem identifier grouping, or by a given requisition number as follows:

o Equipment and Documentation Selected by discipline; Problems (Report A) report selection for all o Supplier Problems (Report B) projects and each projee?.

o Type of Problem (Report C) is available Examples of these reports are included in this appendiz and in Appendir E.

b. Appropriate CAQ data base companion printouts containing the complete i data entries corresponding to the above lists.

o Report 3F "By Identifier - All Projects - DNE-Caused. Soletted by Discipline," companion report for Report A 1

o Report 5A "Supplier-Caused Nonconformances." companion report for Report B 4 A-1

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  • NEP-9.2 Appendix A (7) Exis;ence of an adverse tend (s).

(8) When the adverse trend is an already identified problem area (previous adverse' trend), the following areas should be addressed:

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! (a) If the corrective action plan has been implemented.

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(b) The effectiveness of the corrective action plan in preventing recurrence of the problem.

(c) Further actions, if any, that should be initiated to prevent recurrence.

(9) When the adverse trend is a new problem area (new adverse trend),

I state what corrective actions need to be initiated.

4 Documentation of Analysis Results

a. A memorandum sunusarizing, the results of the periodic review is to be

, provided to the Manager of Engineering Assurance within 60 days after receipt of the CAQ data. The format for documenting the results of these reviews is shown in Appendiz F.

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b. The memorandum and its attachments shall be considered standalone documentation that'can be used for future surveillance of identified

! corrective action (s).

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c. For those identifier and requisition groupings for which the method of review used in the analysis and the resulting conclusion are logically l the same or siellar, the results of the branch analyses for these groupings may be documented together.

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NEP-9.2 Appendix A

5. Apparent Adverse Trend Subjects Identified by EA and Provided to Discipline Branches for Analysis
a. For apparent adverse trends identified by EA (not addressed above) in the form of separate apparent adverse trend reports from EA to the branch, the designated branch shall, for each report:

(1) Further analyze the data provided by EA'in the EA apparent adverse trend report to determine the existence or nonexistence of a trend.

(2) Evaluate the adverse trends to determine the applicable root cause(s) and required corrective action (s).

(3) Within 30 days of receipt of the report, provide a response to EA stating:

i (a) Whether the analysis confirmed an adverse trend

. (b) Root causes of the trend, as applicable 1

(c) Corrective actions that have been, are being, and/or are

! planned to correct the root cause(s) (i.e., to preclude j repetition of the root cause), including all plants as applicable and the schedule for completion of each corrective action I

i i (4) Results should be documented as described in section 4 and the format given in Appendis F.

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SUMMARY

LIST I supplier Probloss By Discipline I Code: IISI In Descending Order By PAGE:

Plant: All (4) Quantity of Occurrences DATE: 7/15/86 Timeframe: 7/1/83 - 6/30/86 Report B i

Discipline: Civil Trend Analysis Results (1)

! CAQ Report Quantitles Previously Requisition No. Vendor Total 83 84 85 86 Reported (2) Update (2) Remarks (3)

IIIIII-II Large Corp. 25 5 8 8 4 C 11/85 -

Etc. Etc. Etc. Etc. Etc.

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NOTES:

(1) Legend: N = No Trend C = Trend Recognized. Corrective Action Initiated ( Date )

- = No Change from Previous Status (2) The initial anS the updated status of trend recognition, in accordance with legend.

(3) Appropriate remarks for the record (which will be entered into computer by EA as history record).

(4) Plant selection will also be provided 55

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(See Appendix E for example of actual Report B printout.)

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GUIDELINES FOR IDENTIFYING ROOT CAUSES AND DETERMINING CORRECTIVE ACTIONS An effective corrective action program must include an accurate identification of the root cause(s) which contribute to the problem (s) being addressed. This l identification of root causes is essential to provide a basis for determining the actions necessary to prevent recurrence of similar problems, i.e., to i

correct adverse trends. As a minimum, the analysis of adverse trends should consider the following factors in determining the associated root causes:

o Timeframe in which individual CAQs occurred j o Organizations and personnel involved o Estent of manegement involvement in planning for and controlling the work process

( o Procedural controls for the affected processes and the effectiveness of their implementation o Estent of training provided Root causes usually involve people and/or procedures. The root cause is I generally not indicated or obvious from reading the problem description of a siven CAQ report. Some esamples of root causes tre listed below.

I i Lack of, erroneous, incomplete, and/or inadequate:

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1. Planning
2. Training and/or Qualification
3. Procedures and Instructions 4 Management Control (Wark Schedule. Staffing Etc.)
5. Engineering Judgment
6. Compliance With Regulatory Requirenants
7. Complianct With DNE Design Criteria l

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NEP-9.2 Appendiz C '

DESCRIPTION OF CAO DATA PROVIDED TO PROJECTS GUIDELINES FOR EVALUATION CORRECTIVE ACTIONS.

AND DOCUMENTATION OF ANALYSIS RESULTS I

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1. Project-sorted trend data reports include reference to all CAQ data ,

associated with the project. The project trend data is multidiscipline

] and identifies problems that relate to "DNE-Caused " "DNC-Caused,"

l "Operations-Caused," and those where the causing organization cannot be determined. The trend data is provided semiannually and includes CAQ l reports for the previous 3-year period.

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2. The trend data reports consist of:
s. The "top 50" most frequently occurring identifier groupings (Report 1B).

i See Appendir E for an example of this report.  !

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b. Report sA, "By Identifier - Each Project," the full-text companion  !

I report for the above. Report 4A is a 2-part report which contains f project-specific CAQs (under the appropriate project code) and all generic CAQs (under a 99 project code). See Appendia E for an example of this report.

3. Evalustion and Corrective Action .

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l a. The project is to analyze the following trend data grouping from the project "top 50" to identify any recurring problems that indicate  !

potential adve:se trends.

, (1) "DNE-Caus6d" identifier groupings (XX?X and discipline-oriented I groupings such as XXCX) l (2) "DNC Caused" identifier groupings (XXIX)

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I (3) "Operations Caused" identifier groupings (XX3X) ,

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. o NEP-9.2 Appendir C (9) idhen the adverse trend is a new problem area (new adverse trend),

state what corrective actions need to be initiated.

c. The project will coordinate its analysis with the appropriate discipline for each discipline-oriented identifier in the "top 50" and for each supplier grouping (IX5X) in the "top 50." Further coordination with DNE and/or non-DNE organizations shall be accomplished as required.
a. Documentation of Analysis Results
a. A memnrandum summarizing the results of the periodic review is provided to the Manager of Engineering Assurance within 60 days after receipt of the CAQ data. See Appendix F for the format for documenting'the results of these reviews.
b. The memorandum and its attachments shall be considered standalone documentation that can be used for future surveillance of identified corrective action (s).
c. For those identifier groupings for which the method of review used in the analysis and the resulting conclusion are logically the same or similar, the results of the project analysis for these groupings may be documented together.
d. If a new adverse trend is identified, include as a minimum the following: (1) Statement that an adverse trend has been identified.

(2) A description of the adverse trend. (3) Sunenary of the factors which led to identifying the adverse trend. (4) Review of the technical, prograarnatic, and generic aspects of the adverse trend.

(5) Summary of the corrective actions to be initiated. (6) Number of the CAQ which was initiated when the adverse trend was identified (as required by NEP 9.1).

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NEP-9.2 Appendix C

b. Evaluate the adverse trends to determine the applicable root cause(s) and required corrective action (s).
c. Within 30 days of receipt of the report, provide a response to EA stating:

(1) Whether or not.the analysis by the project confirmed an adverse trend (2) Root causes of the trend, as applicable (3) Corrective actions that have been, are being and/or are planned to correct the root cause(s) (i.e., to preclude repetition of the root cause), including all plants as applicable and the schedule for completion of each corrective action

( d. Results should be documented as described in Appendiz C, section 4 and the format given in Appendiz F.

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NEP-9.2 Appendir D i

OVERVIEV AND GENERAL INSTRUCTIONS FOR USE OF THE DNE CAQ DATA BASE General The DNE Conditions Adverse to Quality (CAQ) Data Base has been developed specif!-

cally for use within DNE to assist in identifying adverse trends and to serve as a comprehensive reference for other applicable research and activities. The j

extent and type of data estracted from the reports and shown on the data base -

printouts have been designed particularly for use by DNE personnel. The types of CAQ reports which are reviewed and entered into the data base are those which  !

are or may be related to DNE activities and/or are within the control or influence of DNE; hence, DNE may be able to provide corrective action in those cases where adverse trends are identified and analyzed.

The types of CAQs included in the data base are those which have been identified during each program phase of a nuclear plant, i.e., design phase (DNE NCRs, SCRs, PIRs, CAQRs), procurement phase (Supplier NCRs ), construction phase (DNC NCRs.

CAQRs), test phase (pts), and operational phase (LERs, CAQRs). Additionally, internal audit reports and NSRS review reports cover the various program phases, as applicable to each particular report.

Some of the uses that can be made of the CAQ Data Base are for bid evaluation,

.( source selection, supplier problems, component and/or system problems, frequently occurring problems, and generic problems. CAQ data base printouts [

can isolate categories covering, for example, suppliers, components, systems,  ;

analyses, installation, quality control, material defects, shipping / handling / storage, and testing.

Types of Reports in Data Base Various printout sorts of the following types of CAQs are available:

CNCRs - DNC NCRs referred to DNE SNCRs - Supplier NCRs ENCRs - DNE NCRs ESCRs - DNE SCRs EPiks - DNE PIRs LERs - Licensee Event Reports pts

- Preoperational/Postmodification Test Deficiency Reports DNE Internal Audit Reports of DNE  !

NSRS Review Reports of DNE Audit Reports of Suppliers CAQRs - ONP CAQ Report Appilcability - All nuclear plants Revisions - Frequent entries are mede to the data base to maintain current  !

status with reports of CAQs.

Identifier - All CAQ conditions are force-fit categorised into a 4-digit, alphanufteric identifier. The identifier list is contained in the nest section.

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  • NEP-9.2 Appendix D
2. Report 2 - All Projects - This printout lists the reports of CAQs by project code, report type, and report number. This is the basic list. ,
3. Report 3E - By Identifier - All Projects - This printout sorts the CAQ  ;

erports by identifier code, project code, report type, and report number.

s This printout identifies all CAQ reports for all projects against each '

identifier.

Report 3F - By Identifier - All Projects - DNE-Caused - Selected by discipline based on 3rd character of identifier code. Sorted by identifier code, project code, report type, and report number, a

t Report 3G - By Identifier - All Projects - DNE-Caused - Selected by 1 discipline based on 3rd and 4th characters of identifier code. Sorted by identifier code, report type, and report number.

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)

4 Report 4A - By Identifier - Each project - This printout sorts the CAQ reports by identifier code, report type, and report number.

Report sB - By Identifier - Each Project - Selected by discipline based on 3rd character of identifier code. Sorted by identifier code, report type, and report number.

Report 4C - By Identifier - Each Project - Selected by discipline based on 3rd and 4th characters of identifier code. Sorted by identifier code,  !

report type, and report number.  !

5. Report 5 - By Supplier Caused CAQs . All Projects - This printout of t f

reports of CAQs is for identifier H 1X only, arranged alphabetically by l supplier nane, project code, report type, and report number. i Report 5A - By Recuisition No. - All Projects - Same as Report 5, but arranged in numerical sequence by requisition number.

f Report 58 - By Requisition No, - Each Project - Same as Report 5A, with  !'

available selection by project.

) 6. Report 6 - By DNE-Caused CAQs - This printout of reports of CAQs is for i

identifier XIII only, by project code, report type, and report number.

1  ;

7. Report 7 - By DNC-Caused CAQs - This printout of reports of CAQs is for .

' i identifier XIII only, by project code, report type, and report number.  ;

i j 8. I Report 8 - By Quality Control (OA/0C) Problems - This printout of reports

{

of CAQs is for identifier XXI4,only, by project code, report type, and {

j report number. t 4

9.

geport 9 - By Veldint-Type Problems _ - This printout of reports of CAQs is '

for identifier XIX0 only, by project code, reprt. type, and report number.

i g

D-3 i

! l i

I  !

l "M

NEP-9.2 Appendix D s.

OPEN/ CLOSED (OC)

O if open -

3 C if closed

REPORTABLE INDICATOR (RI) i I if reportable N_ if not reportable VENDOR NAME/ CONTRACT NUMBEl{

1 This information is shown for each supplier-caused CAQ (escept for 1

those cases where the vendor name and/or contract number is not l available on the CAQ Report).

I COMPONENT / DOCUMENT i

PROBLEM DESCRIPTION IDENTIFIER The 4-digit identifier appropriate to the component, source of problem, and type of problete.

UNIT NUMBE BIMS REFERENCE Additional Types of Printout Sorts Additional types of sorting are avellable: Key word search of the "Yendor Names / Contract Number." "Component / Document." and "Problem Description" columns; this allows a printout to be provided for all CAQs which contain the selected key word (s). Also, 101 type of printout !s available on a 11mg r_ tag higip.,

i.e..'all reports of CAQs between (dite) and (date). Printouts of only certain types of CAQs are also evallable. Requests for such sorts, searches and other questions, assistance, and suggestions should be directed to the EA Trend Section.

Table A lists a sunstery of printouts available.

Table 8 relates reference uses for the CAQ Report Data Base to printouts available.

Table C shows the Identifier Legend and Identifier List.

L o.1

, . .r._u

NEP-9.2 Appendir D ,

Table A Report Type & No. Description Full-Test 5 By Supplier-Caused CAQs (XX5X) - All Projects i "5A By Purchase Requisition No. for Supplier-Caused C&Q Reports - All j Projects 55 By Purchase Requisition No. for Supplier-Caused CAQ Reports - Each Project 6 By DNE-Caused (General) CAQs (XXIX) t 7 By DNC-Caused CAQs (U lI) 4 8 By Quality Control (QA/QC) Problems (XXXi) 9 By Weld-Related CAQs (XXX0) 10 Audits and Reviews 11 By Probles - All Projects

)

1 1 12 By Problem - Each Project i

Surunary Lists - By Discipline l "A Equipment and Documentation Problems - All Projects l

Equipment and Documentation Proble.as - Each Project i

i "B Supplier Probleres - All Projects l Supplier Problerts - Each Project "C Type of Problem - All Projects i Type of Problem - Each Project Additional Printouts Available:

3 o Any of the above by type of CAQ report (escept 1A. 18, 1C, 10, and 1F).

o Any of the above by timeframe, o Eey word search.

  • = Periodic Project Data

= Periodic Branch Data D-7

D Q '.

Printout Type Use or Report No. Printout Subject o Environmental Qualification Problems Sort on XXXA Component / System Environmental Qualification Problems (DNE) o Component / System Design Problems Sort on XXXB Component Design Problems (DNE) o Design Input Document Problems Sort on XXXC Design Criteria Problems (DNE)

Sort on XXXD FSAR Problems (DNE) o Design Output Document Problems Sort on XXXG Drawing Problems (DNE) o Design Specification Problems Sort on 11XH General Specification Problems (DNE)

Sort on KIII Plant Specific Specification Problems (DNE) o Procedure Problems Sort on XIXJ Procedure Problems (DNE) o Computer Program Problems Sort on XIX0 Computer Program Problems (DNE) c,o NUREG/ Regulatory Guide Problems Sort on XIXP NUREG/ Regulatory Guide Problems (DhE) o Desiga "Control Paper

  • Problems Sort on XIXQ Design "Control Paper
  • Problems (DNE) o Unnecessary Condition Adverse to Sort on XIXR Not a Ncnconformance (DNE)

Quality Reports o Welding Problems Sort on XXIS Welding Problems o Generic Problems IA. IC. IE. 3, 5 "All Projects" o Project Protless 18. ID. 2. 4A "Specific Project" o Basic List 2 Basic "Log" - By Project. 747 E Type of CAQ Report. and $% 7 Report No. *E?

e Discipline Problems cs 7 w A Equipment End Documentation Problems o 8 Supplier Problems C Type of Problem i.

t

! =

q  !

i, .

i NEP-9.2 Appendiz D Table C i i

4 IDENTIFIER LIST IDENTIFIER SUBJECT t t

! A--- Valves ,

Al--

, A2-- Relief / Pressure / Safety i l A3--  ;

A4-- NOVS AS.- Gate / Globe /8utterfly/ Ball / Needle /Plus/ Angle / Root /Diaphram i i A6-- Operator i

A7-- Check [

A8-- Solencid j A9-- r A0-- Mise l i i l B--- Piping

B1-- HVAC. IE, Ductwork/ Plenums / Dampers / Air Flow & Leskase Problems l
B2-- Heating & Cooling Colls f B3-- Ells / Elbows / Plugs / Fittings / Flued Heads / Bosses / Sockets /Weldolets B4--  !!econdary Piping / Drains /Yents i

SS-- Sleeves / Strainers / Headers / Manifolds / Spools / Flow Elements /

! Filters / Screens / Nozzles / Jets / Steam Trap  !

86-- Primary Piping: Feedwater/ Main Steam /Letdewn/ Accumulator  ;

Standpipe /RCS/CCW/RNR/ECS/SI/CVCS/CS i i 87-- Analysis Program I 38 -  !

l 89--  !

l 80-- Misc, Including Fles Moses & Pipe Insulation i l t i C--- Concrete  !-

Cl-- Concrete Supports / Pads / Foundations / Grouting .

C2-- Structures / Walls / Floors / Columns / Beams /Boses/ Pours }
Cl-- Sactfill/ Ditches t C4-- Materials (Aggregate, Cement, Etc)
C5-- Holding Ponds / Reservoirs l

C6--

CF-- Pipe (Conduit / Drains / Caps) l CS--

l C9-- Test Cylinders l CO-- Misc D- - Electrical D1-- Cables /Trsys/Condu!t/ Reels /JBs/ Heat Trsee D2 - Re1ays D3-- Breakers / Switches / Fuses / Disconnects / Limit Switches / Zone Switches / Hand Switches / Transfer Switches / Contractors D4-- Contro1a/$wItchgeer/MCC/ Consoles /Pano1s/8oarda/ Cabinets 0-11 l

. 2. 4

s O *

, NEP-9.2 Appendiz D Table C IDENTIFER SUBJECT GS-- Radiation Detection / Radiation Monitors G6--

G7-- Meters / Gauges / Alarms / Recorders / Monitors / Ann'nelators/

Potentiometers / Indicators / Analyzers G8-- Computers /PA/ Radio /TV/lelephones G9-- Sensors /Thermocouples/ Transmitters / Temperature Switches /

Temperature Elements / Pressure Switches / Level Switches / '

Flow Switches / Transducers /T!.ormowells/ Detectors GO-- Mise Instrumentation H--- Mise H1--

H2-- Fire Protection /F16 mastic /Pyrocrete H3-- Seals / Bellows / Sealants / Joint Material / Adhesives / Adhesive Cement H4-- Coating H5--

H6-- Snubbers / Shock Absorbers / Dampeners H7-- Bldss/Straictures/ Rooms

( H8--

H9--

Door / Frames / Hinges / Hatches Tanks / Sumps / Heat Esch/ Ice Condensers / Lattice / Water Chillers /

Coolers H0-- Mise I---- Rotating Equipment Il--

I2 - Motors / Generators / Chargers '

I3-- Internal Combustion Engines I4-. Fans 25-. . Pumps 16 - Holsts/ Cranes / Monorail I7--

18.- Turbines I9-- Compressors 10-- Misc J.-- Containment J1-. Internals IE. Control Rods / Drives and Fuel Elements J2-- Air Locks / Equip Match J3-- Steam Generator /Pressuriser/Accumuistor J4-- Pressure Vessel & Nogales J5-- Polar Crane / Reactor Head Storage Fisture J6 - Fuel Handling /Storcse/ Fuel Pool Liners

[ J7 - Liners / Shield Walls / Dome / Containment Vessel / Weirs

( J8--

J9--

Reactor Support / Pedestal Dryuall/Cuppression Pool J0 - Mise D-13

. ::a: 4

NEP-9.2 Appendit D Table C hl

      • PROBLEM AREA FOR DNE DISCIPLINE --C . --E . --M . --N- ,

Lack of, inadequate, or incomplete: I i

---A Component / System / Environmental Qualifications (NUREG 0588 and 19018) ,

, .--B Component Design / Analysis

---C D& sign Criteria (Includes DIMS)  !

-- D FSAR  ;

i ---E Procurement / Contract Documents t

---F Documentation (Includes documentation control and documents not

, covered under other headings: 1.e., calculations, set point (

documentation, and load table documentation) l ---G Drawings i

---H General Specifications  !

j ---I Plant Specific Specifications

---J Procedures (Includes lack of a procedural program) i i ---X Testing

) ---L Seismic / Structural Analysis i ---M Piping Analysis / Support Design

---N System Design / Analysis

---O Computer Programs (All computer problems)

...P Application of NUREG/ Regulatory Guides (Except for ---A)

/ ---Q Design "Control Paper" (Includes ECNs. FCRs. CTRs. DCRs. NCRs) l ks ---R Not a Nonconformance i

1 l

1 I

l 1

i l

  • . 2. will be used only when a DNE. caused problem cannot be assigned to a discipline branch (i.e., CEB. EC8. EEg. MEB. NES).

I i ** Problem area categories --1 through ---O will be used to categorize all

, Construction , all DNE. caused problems that cannot be assigned to a

) discipline branch. Operations Vondor and unknown. caused problems l (i.e., . 1. -.2 .-3. -.5 . --0-).

l ***Preblem area categories ...A through --.R will be used to categorize all DNE-caused problems that can be assigned to a discipline branch (i.e., ..B..

('

l ..C., -.E., - M., ..N.).

l i

! D 15

NEP-9.2 Appendix E DNE CAO DATA BASE REPORT EXAMPLES SHOWN ON THE FOLLOWING PAGES

Report TYDe & No.

Title Statistical

  • 18 Summary of Top 50 - Each Project - By Identifier Full Test j "3F By Identifier - All Projects - DNE-Caused (XXBX, XXCX, XX[X, XXHX, XXNX)

"3G By Identifier - All Projects - DNE-Caused (XXBA-XXBR, XXQA-XXCR, j XX{A-XXER, XX5A-XXHR,

XXNA-RER)

'4A By Identifier - Each Prcject i

48 By Identifier - Each Project - DNE-Caused (XXBX, XXCX, XX[X, XX3X, j XXNX) l 4C By Identifier - Each Project - DNE-Caused (XXBA XXBR, XXGA-XXCR, XXEA-XXE_R XX5A-XXM_R, XXNA XXHR)

'5A By Purchase Requisition No. for Supplier-Caused CAQ Reports

! Summary Lists - By Diseleline "A- Equipment Problems - All Projects Equipment Problems - Each Project l "B- . Supplier Problems - All Projects l

Supplier Problems - Each Project l "C - Type of ?roblem All Projects Type Of Problem Each Project l

l

' Periodic Project Data l

"Periodic Branch Data E-1

.-.-,- ----,--.-v , - - . ,---.__..,n,---. - -.,---

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1

- i NEP-9.2 Appendia F a FORMAT FOR SUMMARIZING THE RESULTS OF THE REVIEW FOR ADVERSE TRENDS Eshibit A i MEMORANDUM FORMAT FOR 60 DAY

SUMMARY

REPORT

~

To: (Branch / Project Files)

J From: (Branch Chief / Project Engineer)

Date:

5

Subject:

BRANCH / PROJECT REVIEW OF DNE TREND DATA REPORT t DATED A review of the DNE Trend Data Report dated for the

]

branch / project has been completed. The following subjects were identified as adverse trends, and an adverse trend report (Ethibit B) for each j subject has been written. Corrective action is being handled by the organization noted (statement from project only).

1. Subject A (i.e.. B6CM) Organization: (i.e.. CEB)
2. Subject 8: (i.e.. DIEG) Organization: (i.e.. EEB)

The other subjects on the trend data report do not involve adverse trends.

(Branch Chief / Project Engineer) cc: Division Director Manager. Engineering Assurance (Attn: Trend Section) (with attachments)

F-1 4

. g , -en

l

, v .

)

NEP-9.2 Appendis F

(

Eshibit 5 (Continued) i

)

1

3. Conclusions

(

1 i

t (If a new adverse trend h identified, include as a minimum the 1 following: a statement that an adverse trend has been identified; a description of the adverse trend; a sunsaary of the factors which led to identifying the adverse trend; a review of the techolcal, programmatic, i

and generic

  • aspects of the adverse trend; a suarnary of the corrective  ;

e l

actions to be initiated if identified; the number of the SCr which was  !

i

] initiated when the adverse trend was identified as required by NEP-9.1; '

l and a statement that when corrective actions are identified, they will be entered into TROI.)  !

i  :

1 j (If a previous adverse trend j_s, s identified, include as a minimum the i

[ following: a statement that an adverse trend has been identified; a

\

j description of the adverse trend; a brief history of the trend and the g

I corrective actions; a review of the effectiveness of the corrective  !

i actions; a suanary of further corrective actions to be initiated, if i

$ applicable; a statement that further corrective actions will be entered f f into TROI; and a statement that this trend area will be monitored to 1 ensure that actions initiated will prevent recurrence.) f

)1 (If a trend subject is,s identified which requires future monitoring. [

r j include as a minimum a description of the trend subject and a statement  ;

that this subject area will be monitored.)

4 (If an adverse trend is not ident;fied, include as a minimum a statement l

4

that an adverse trend does not exist and a statement of the factors that j[

t

] led to this conclusion.) i

/ F r

1 I

Prepared by: Date: [

r Reviewed by: Date:

] Approved by: Date:

f F-3 f 1

.m.

b

ENCLOSURE 2 LIST OF COMMITMENTS

1. TVA will implement a program to ensure that safety-related, low-voltage power, control, and instrument cables that are bent to a radii smaller than four times the cable diameter will not be subject to common mode failures when subjected to accident and postaccident environments. TVA e will provide the details of this particular program to NRC within six months after the restart of SQN unit 2.
2. TVA will determine the safety-related. S-kV, shielded power cables that
are bent to radii smaller than those presently recommended by the manufacturers of the cables. TVA will take the necessary ac'. ion to ensure that these cables will not be subject to long-term degradation that could  !

interfere with the reliability of the cables. TVA will provide NRC details of this particular program six months after the restart of SQN unit 2.

3. TVA will complete the assessment of its existing program by using the existing isometric sketches of the conduits tested in the in situ cable test program to demonstrate that the cables in this sampling arc  ;

representative of midrun flexible conduits and condulets and are capable l of performing their intended function when subjected to accident and postaccident environments. TVA will provide the results of this assessment to NRC within six months after the restart of SQN unit 2. If g further sampling or diagnostic procedures are required TVA will describe its program for implementation at that time.

a

! 4 TVA will revise General Construction Specifications G-38, "Installing Insulated Cables Rated up to 15,000 Volts " and G-40, "Installing i i Electrical Conduit Systems and Conduit Boxes," to incorporate the l j recommendations provided in section 14, recommendations of TER-C5506-649, j item S. Revisions of these documents will be completed by April 30, 1988.

5. TVA will revise the appropriate Modifications and Additions Instructions (K&AIs) used at SQN to incorporate the recommendations provided in i

] section 14, recommendations of TER-C5506-649, item 8 associated with  ;

General Construction Specificetions C-38 and G-40 revisions addressing l l these recommendations. Revisions and implementation of these M&AIs will i l be completed by June 30, 1988.

l >

l  !

I i

4 4

SQN SQA135 Page 14 Revision 6 ATTACHMENT C l Page 1 of 1 l l

COMMITMENT TRACKING AND ACTION ITEM LOAD SHEET l

X NEW ACTION ITEM / COMMITMENT ~

CHANGE TO EXISTING ACTION ITEM / COMMITMENT ADDITION OF NEW ACTION TO EXISTING ACTION ITEM SERIES CONTROL NO. NC0880 TROI ITEM NO. TYPE PLANT CATEGORY

  • NRC OTHER SUBJECT (20 Characters Maximum) (20 Characters Maximum)

IDENTIFYING DOCUMENT / /88 LTR DOCUMENT SECTION (12 Characters Max.) (10 Characters Max.)

ACTION ITEM SUBJECT 03/09/87 NRC LTR TYPE

  • Implement TER RECOMMENDATIONS (12 Characters Maximum)

(50 Characters Maximum)

ACTION ITEM DESCRIPTION (500 Characters Max.)

TVA will implement a progran to ensure that safety related low voltage power, control . and instrunent cables that are bent to a radii smaller than four times the cable diameter will not be subject to common mode failures when subjected to accident and postaccident environments. TVA will provide the details of this particular program to NRC within six months after the restart of SQN unit 2.

COMMITMENT CONDITIONAL ECN DCR APPLICABILITY DUE DATE REQUIREMENTS NO. NO.

  • 0
  • A 09/06/88 PLANT UNIT C/A SEVERITY
  • LEAD COORD. ORG. SQN-DNE *IMPL. ORG. DNE-EEB *LIC. ORG. SQN-REG LIC CONTACT __

JBH CONTACT FRS CONTACT MJB/BAK

  • REFERENCES / CORRESPONDENCE (Primary First)

REMARKS: __

(Additional Reference Following)

RLG to NRC L44 880 iss / 01-12-83 PREPARED BY DATE COMPUTER INPUT COMPLETE (Initials) (Date)

  • Fields That Must Be Conpleted As A Minimum.

Return to Site Licensing Manager for site commitments.

.. " a 393 SQA135 Page 14 Revision 6 ATTACHMENT C Page 1 of 1 COMMITMENT TRACKING AND ACTION ITEM LOAD SHEET X NEW ACTION ITEM /COMMITMEh7 CHANGE TO EXISTING ACTION IIEM/ COMMITMENT ADDITION OF NEW ACTION TO EXISTING ACTION ITEM SERIES CONTROL NO. NC0880 TROI ITEM NO. TYPE PLANT CATECORY* NRC OTHER SUBJECT (20 Characters Maximum) (20 Characters Maximum)

IDENTIFYING DOCUMENT / /88 LTR DOCUMENT SECTION (12 Characters Max.) (10 Characters Max )

ACTION ITEM SUBJECT 03/09/87 NRC LTR - . TYPE

  • IMPLEMENT TER RECOMMENDATIONS (12 Characters Maximum)

(50 Characters Maximum)

ACTION ITEM DESCRIPTION (500 Characters Max.)

TVA will determine the safety related 8 kV shielded power cables that are bent to radii smaller than those presently recommended by the manufacturers of the cables. TVA will take the necessary action to ensure that these cables will not be subject _to long-term degradation that could interfere with the reliability of the cables. TVA will provide NRC details of this particular program six months _after ths restart of SQN unit 2.

COMMITMENT CONDITIONAL ECN DCR APPLICABILITY DUE DAIE REQUIREMENTS NO. NO.

  • 0
  • A 09/06/88 PIANT UNIT C/A SEVERITY
  • LEAD COORD. ORG. SON-DNE *IMPL. ORG. DNE-EEB *LIC. ORG.f9N-REG LIC CONTACT JBH CONTACT MRS CONTACT MJB/BAX
  • REFERENCES / CORRESPONDENCE (Primary First)

REMARKS (Additional Reference Following)

~~

RLG to NRC L44 880 iss / 01-12-88 PREPARED BY DATE CCMPUTER INPUT COMPLETE _

(Initials) (Date)

  • Fields That Must Be Completed As A Minimum.

Return to Site Licensing Manager for site commitments.

l. se o SQN SQA135 Page la Revision 6 l ATTACHMENT C Page 1 of 1 j COSNITMENT TRACXING AND ACTION ITEM LOAD SHEET X NEW ACTION ITEM /COSMITMENT CHANGE TO EXISTING ACTION ITEM /COSNITMENT ADDITION OF NEW ACTION TO EXISTING ACTION ITEM SERIES CONTROL NO. NC0880 TROI ITEM NO. TYPE PLANT
CATEGORY
  • _NRC OTHER SUBJECT (20 Characters Maximum) (20 Characters Maximum)

IDENTIFYING DOCUMENT / /88 LTR DOCUMEh7 SECTION I (12 Characters Max.) (10 Characters Max.)

ACTION ITEM SUBJECT 03/09/87 NRC LTR - TYPE

  • IMPLEMENT TER RECOMMENDATIONS (12 Characters Maximum)

(50 Characters Maximum)

' ACTION ITEM DESCRIPTION (500 Characters Max.)

TVA will complete the assessment of its existing program by using the existing j isometric sketches of the conduits tested in the in-situ cable test program to l demonstrate that the cables in this sampling are representative of mid-run

flexible conduits and condulets and are capable of performing their intended i function when subjected to accident and postaccident environments. TVA will j provide the results of this assessment to NRC within 6 months after the j res_t_ art of SQN unit 2. If further sampling or diagnostic procedures are recaired. TVA will describe its program for implementation at that time.

l COMMITMENT CONDITIONAL ECN DCR APPLICABILITY DUE DATE REQUIREMENTS NO. NO.

  • SON _
  • 0
  • A _09/06/88 ,

PLAhT UNIT C/A SEVERITY

  • LEAD COORD. ORG. SON-DNE . *!MPL. 0AG. DNE-EEB *LIC. ORG.SQN-REC LIC CONTACT JBH CONTACT FRS CONTACT MJB/BAK i
  • REFERENCES / CORRESPONDENCE (Primary First) l REMARKS t (Additional Reference Following) l RLG to NRC L44 SSO i

i Jss / 01-12-SS PREPARED BY DATE COMPUTER INPUT COMPLETE '

(Initials) (Date) eri.ta. Tw., v,... s, en e .. 4 a. a v 4 4 -, -

SQN SQA135 Page 14 Revision 6 ATTACHMENT C Page 1 of 1 COMMITMENT TRACKING AND ACTION ITEM LOAD SHEET X NEW ACTION ITEM / COMMITMENT

_ CHANGE TO EXISTING ACTION ITEM /COMMITMEhT ADDITION OF NEW ACTION TO EXISTING ACTION ITEM SERIES CONTROL NO. NCC880 TROI ITEM NO. TYPE PLANT 4

CATEGORY

  • NRC OTHER SUBJECT 4

(20 Characters Maximum) (20 Characters Maximum)

IDENTIFYING DOCUMENT / /88 LTR DOCUMENT SECTION (12 Characters Max.) (10 Characters Max.)

ACTION ITEM SUBJECT 03/09/87 NRC LTR - TYPE

  • REVISION TER RECOMMENDATIONS (12 Characters Maximum)

(50 Charanters Maximum)

ACTION ITEM DESCRIPTION (500 Characters Max.)

TVA vill revise General Construction Specifications C-38. "Installing Insulated Cables Rated up to 15.000 Volts." c-40 "Installing Electrical Conduit Systems i

and Conduit Boxes" to incorporate the recommendations provided in section 14 I Recommendations of TER-C5506-649 item 8. Revisions of these documents will be completed by April 30, 1988.

2 COMMITMENT CONDITIONAL ECN DCR APPLICABILITY DUE DATE REQUIREMENTS NO. NO.

  • SqN_ *_0
  • C , 04/30/88 l PLANT UNIT C/A l SEVERITY
  • LEAD COORD. ORG._SQN-DNE *!MPL. ORG. . DNE-EEB *LIC. ORG.SQN-REG LIC CONTACT JBH CONTACT MRS CONTACT MJB/BAK

(

  • REFERENCES /CCRRESPONDENCE (Primary First) l REMARKS: (Additional Reference Ivllowing)

RLC to NRC L44 880 i

iss / 01-12-SS PREPARED BY DATE _

CCMPUTER INPUT COMPLETE

, (Initials) (Date) l

  • Fields That Must Be Completed As A Minimum.

Return to Site Licensing Manager for site commiteents.

i

& C SQN SQA135 Page 14 Revision 6 ATTACHMENT C Page 1 of 1 COMMITMENT TRACKING AND ACTION ITEM LOAD SHEET X NEW ACTION ITEM / COMMITMENT CHANGE TO EXISTING ACTION ITEM /COMMID1EST ADDITION OF NEW ACTION TO EXISTING ACTION ITEM SERIES CONTROL NO. NCOSSO TROI ITEM NO. TYPE PLANT '

CATECCRY* NRC OTHER SUBJECT ,

(20 Characters Maximum) (20 Characters Maximum)

IDEhTIFYING DOCUMENT / /88 LTR DOCUMEST SECTION (12 Characters Max.) (10 Characters Max.)

ACTION ITEM SUBJECT 03/09/67 NRC LTR - TYPE

  • REVISION TER RECOMMENDATIONS (12 Charactors Maximum) 1 (50 Characters Maximum)

ACTION ITEM DESCRIPTION (500 Characters Max.)

TVA will revise the appropriate Modifications and Additions Instructions (MLAIs) _

used at SQN to incorporate the recommendations provided in section 14 of TER-C5506-649 item 8. associated with c.eneral Construction Specifications G-38 and G-40 revisions addressing these recomcendations. Revisions and implementation l of these MLAIs will be completed by June 30 1988.

CGMMITMENT CONDITIONAL ECN DCR l APPLICABILITY DUE DATE REQUIREMENTS NO. NO.

__0__

  • C 06/30/S8 PIANT UNIT C/A
SEVERITY
  • LEAD COORD. ORG. SON-DNE *IMPL. ORG. DNE-EEB *LIC. ORG.SQN-REG LIC l

CONTACT JBH CONTACT MRS CONTACT MJB/BAK

  • REFERENCES /CORRESPCNDENCE l 1

(Primary First) 1 REMARKSt (Additional Reference Following)

RLG to NRC L44 SSO iss / 01-12-SS I PREPARED BY DATE COMPUTER INPUT COMPLETE l (Initials) (Date) I

  • Fields That Must Be Completed As A Minimum.

Return to Site Licensing Manager for site ccomitments.