ML20151T600

Refers to 980820 Open Mgt Meeting Conducted at Licensee Request Re Recent Sequoyah Nuclear Plant Performance.List of Attendees & Copy of Licensee Presentation Handouts Encl

ML20151T600
Person / Time
Site:	Sequoyah
Issue date:	08/21/1998
From:	Christensen H NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
To:	Scalice J TENNESSEE VALLEY AUTHORITY
References
NUDOCS 9809100079
Download: ML20151T600 (32)

Text

. -. -

August 21,- 1998 Tennessee Valley Authority ATTN:

Mr,'J. A. Scalice Chief Nuclear Officer and Executive Vice President 6A Lookout Place

-1101 Market Street Chattanooga, TN 37402-2801

SUBJECT:

MEETING

SUMMARY

- SEQUOYAH NUCLEAR STATION (SNS) OVARTERLY NRC/TVA MANAGEMENT MEETING

Dear Mr. Scalice:

This refers to the open Management meeting that.was conducted at your request in the Region II office on August '20,1998, for you to discuss recent Sequoyah Nuclear Plant performance.

A list'of attendees and a copy of your presentation handout are enclosed.

It is our opinion that this meeting was beneficial in that it provided the NRC staff with a good overview of your perceived strengths. as well as existing challenges and plans for improvement.

In accordance with Section 2.790(a) of the NRC's " Rules of Practice," Part 2, Title 10. Code of Federal Regulations, a copy of this letter and its enclosures will be placed in the NRC Public Document Room.

Should you have any questions concerning this meeting, please contact us.

Sincerely.

(Original signed by Pierce H. Skinner for)

Harold O. Christensen. Chief Reactor Projects Branch 6-Division of Reactor Projects

/

Docket Nos. 50-327, 50-328' I

l License Nos. DPR-77, DPR-79

Enclosures:

1.

List of Attendees u

2.

Licensee Presentation Handouts cc w/encis: See page 2 9909100079 980821-

~

ju PDR ADOCK 05000327 P

l.

PDR l

l:

M

l TVA 2

l cc w/encls:

Senior Vice President l

Nuclear Operations l

Tennessee Valley Authority 6A Lookout Place 1101 Market Street Chattanooga. TN 37402-2801 f

Jack A. Bailey Vice President Engineering and Technical Services Tennessee Valley Authority i

6A Lookout P1 ace i

1101 Market Street l

Chattanooga TN 37402-2801 l

j i

l Masoud Bajestani Site Vice President

'Sequoyah Nuclear Plant Tennessee Valley Authority i

P. O. Box 2000 Soddy-Daisy. TN 37379 General Counsel Tennessee Valley Authority ET 10H i

400 West Summit Hill Drive J

l Knoxville. TN 37902 Raul R. Baron. General Manager Nuclear Assurance Tennessee Valley Authority 4J Blue Ridge i

1101 Market Street Chattanooga TN 37402-2801 Mark J. Burzyriski, Manager l

Nuclear Licensing l

Tennessee Valley Authority l

4J Blue Ridge l

1101 Market Street Chattanooga. TN 37402-2801 Pedro Salas. Manager Licensing and Industry Affairs Sequoyah Nuclear Plant Tennessee Valley Authority P. O. Box 2000 Soddy-Daisy. TN 37379 cc w/encls continued:

See page 3

TVA 3

l t

l i

cc w/encls:

Continued J. T. Herron. Plant Manager Sequoyah Nuclear Plant Tennessee Valley Authority P. O. Box 2000 l

Soddy Daisy. TN 37379 i

Michael H. Mobley, Director Division of Radiological Health 3rd Floor. L and C Annex 401 Church Street i

Nashville. TN 37243-1532 j

County Executive Hamilton County Courthouse 1

Chattanooga, TN 37402 Distribution w/encis-L. R. Plisco, Rll l

R. W. Hernan. NRR' F. Hebdon NRR W. C. Bearden. RII C. F. Smith, RII E. D. Testa. RII D. H. Thompson RII L. S. Mellen RII PUBLIC NRC Resident Inspector, Operations U. S. Nuclear Regulatory Commission 1260 Nuclear Plant Road Spring City. TN 37381 i

NRC Resident Inspector Sequoyah Nuclear Plant O. S. Nuclear Regulatory Commission 2600 Igou Ferry Road Soddy-Daisy. TN 37379 j

OFFICE Ril:ptP SIdul4TURE (f g NAME PTaylor sit I

DATE 8/ A t /98 8/

/98 8/

/98 8/

/98 8/

/98 8/

/98 8/

/98

)

(NY?

YES ED YES MD YES MD YES MO YES NO YES NO YES ED OFFICIAL RE03RD COPY D003ENT IWWE: S:\\90VEETINGS\\905L55tY.820

(

l 1

l LIST OF ATTENDEES Name Title i

NRC Staff L. Reyes Regional Administrator. Region II (RII)

F. Hebdon Director. Project Directorate II-3 Office of Nuclear i

Reactor Regulation (NRR)

R. Hernan Project Manager. Project Directorate 11-3 Nrg J. Johnson Deputy Regional Administrator. RII C. Casto Deputy Director. Division of Reactor Projects (DRP). RII V. McCree Deputy Director. Division of Reactor Safety (DRS) RII H. Christensen Branch Chief. Branch 6. DRP. RII 1

K. Landis Branch Chief. Engineering Branch, DRS. RII W. Rogers Senior Reactor Analyst. DRS. RII M. Shannon Senior Resident Inspector. Sequoyah Nuclear Plant. DRP. RII T. Morrissey Project Engineer. DRP. RII R. Carrion Project Engineer. DRP. RII I

TVA Staff J. Scalice Chief Nuclear Officer and Executive Vice President M. Bajestani Site Vice President. Sequoyah J. Herron Plant Manager J. Beasley Site Quality Manager H. Butterworth Operations Manager J. Valente Engineering Manager l

E. Freemen Maintenance & Modification Manager l

L. Bryant Outage & Scheduling Manager C. Burton Engineering & Su) port Services Manager i

C. Kent Radiological & C1emistry Manager M. Burzynski Corporate Licensing J. Smith Site Licensing D. Travis Assistant Unit Operator l

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Agenda Introduction M. Bajestani Plant Performance J. T. Herron Management Initiatives J. T. Herron

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Department Self Assessments Operations H. H. Butterworth Maintenance E. E. Freeman Engineering J. Valente i

Unit 1 Cycle 9 Refueling Outage L. S. Bryant

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Conclusion M. Bajestani l

I Bajestam f

Introduction Continuing Site Performance Improvement

- Plant Performance

- Human Performance

- Material Condition Unit 1 Cycle 9 Refueling Outage i

- Preoutage activities

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% Max Inder Value Weight

% Max Index Unit Capability Factor (1) 91.18 16 100 %

16.00 90.79 16 100 %

16.00 Unplanned Capability loss Factor (l) 1.16 12 92 %

11.07 4.65 12 69 %

S.28 Unplanned Autormlic Scrarm (1) 0.432 8

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8.00 0.432 8

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8.00 liigh Pressure Safety injection System (l) 0.0030 10 100 %

10.00 0.0054 10 100 %

10.00 Auxiliary Feedwater System (l) 0.0051 10 100 %

10.00 0.0062 10 100 %

10.00 Farrgency ACPower(I) 0.011 10 98 %

9.75 0.011 10 98 %

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5.69 99.87 6

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5.62 Fuel Reliability (3) 0.0028 8

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3.45 0.0001 8

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8.00 Chemistry Indicator (2) 1.010 7

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7.00 1.03 7

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7.00 Collective Radiation Ibposure/ Unit (1) 133.830 8

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7.10 91.050 8

100 %

8.00 IndustrialSafety Accident Rate (Site)(2) 0.000 5

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5.00 0.000 5

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5.00 INPO Performance Index-July 1998 100 93.1 100 95.7 (Internally Calculated)

(1) Based on 24 month awmge (2) Based on 12 month ammge 5

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Management Initiatives Site Human Performance Human performance training STAR 7 Training (3 day training for all site employees)

"Do What's Right" (safety conscious work environment) Training INPO Human Performance Fundamentals Training

- Teamwork improvements Communication Support Self-verification Identification of error-likely situations and strengthening of defenses (Problem Anticipation)

- Ongoing self-assessment program Culture Index Management involved in program implementation and monitoring Continuous benchmarking against peers 6

Herron

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Management Initiatives Corrective Action Program.

- Administrative program transition PER initiative

- MRC effectiveness

- Indicators show improvement (line-identification, late actions, closure, age)

Material Condition

- Ownership

- System Health Committee

- Continuing improvement to reduce operator challenges

- Improved application ofIndustry Operating Experience 7

Herron

Operations What We Are Doing Well Professional Conduct of Control Room Staff

- Control board awareness

- Communications

- Annunciator response

- Turnovers /mid-shift briefings

- Shift Manager oversight Management Ownership of Training

- As-found evaluations of operating crews

- Crew performance reviews with Training and Operations management

- Integration of performance into Curriculum Review Committee (CRC)

- Shift manager development

- Participation in CRC, Training Review Board (TRB), and Training Advisory Board (TAB) 8 Butterworth

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Operations What We Are Doing Well Self-Assessment Program

- Management / Training observations (Sequoyah Performance Observation Tracking [ SPOT] Program)

- Monthly operations report

- Periodic team-oriented self-assessments

. Self critical Participation by peers outside SQN and TVA Performance Monitoring

- Crew specific indicators Department indicators

- Performance window 10 Butterworth N \\' b b Yh $ h N

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Operations

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1 What We Are Doing WeII Caught In The Act Program l

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-Employee Initiated i

-Recognize good perfonnance

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l Caught in the Act is Jonathan IIcadrick who Myrna Ray identified the 2A MFW pump recirc.

Caught in the act is Debbie Travis, she found #4 S/G Snubber Oil Reservoir empty while valve partially open during rounds on June 23rd.

discovered a defective weld during new fuel performing a tagging activity in the Unit 2 Upper This was an excellent example of attentio i to receipt inspection. Tais weld was approximately Containment. John reported the condition detail as the flow was not audible due to high 1/16 on an inch and was viewed through the top i

j promptly to the MCR and the condition was background noise. The positioner had drifted and nozzle of the fuel assembly. He Vendor was 1

forwarded to Engineering for appropriate required MIG adjustment to fully close the valve.

amazed that this deficiency was discovered. On l

resolution. Great Job!

Isolation of this flow path resulted in recovery of another occasion Debbie identified an error in the i

i Mwe of unit generation. Good Work Myrna!

vendor's shipping paperwork, this was corrected

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4/30S 8 before the shipment arrived on site avoiding a j

6/23S8 delay of several hours. Greatjob Debbiel I

7/30 S 8 Butterworth I

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Operations What Is Showing Improvement Assistant Unit Operator Performance

- Ownership and improvement of AUO rounds

- Focused observations - External

- Self-critical evaluations - Internal

- Lowering threshold for identification of problems Integration of Operating Experience (OE) into Daily Activities

- Daily discussion in mid-shift brief i

- Review of OE during prejob briefings

- Use of OE to revise procedures and programs j

12 l

Buttenvorth

Operations What Is Showing Improvement Procedure Backlog

- Focused on operator feedback greater than 6 months old

- Established aggressive work-off plan including effective use of resources

- Enhancing processes to prevent backlog buildup Labeling Backlog

- Streamlined process for creation of unique identification numbers

- Placed additional resources in the design and production of tags

- Tags distributed to crews for installation 13 Buttenvorth j

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Operations P

Focus Areas Maintaining Sustained Performance Human performance

- Operations resource challenges l

. Work load distribution

. Rotation and development of personnel

- Continual raising of standards and expectations L

- Integration of best industry practices l

h 14 Butterworth 1

Operations Focus Areas Unit 1 Cycle 9 Refueling Outage Preparation and Execution

- Utilize same successful organization layout as in the Unit 2 Cycle 8 Refueling Outage 1

Operations Outage Organization'a

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I Operations OSM Unit 2 Unit 1 SM SM i

1-Unit 2 Unit 1 Special SI US US (2)

Projects SRO I

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Unit 2 Unit 1 WCC

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UO(3)

SRO SRO 1

I Unit 2 Unit 1 Clearance BOP A U O (5)

AUO (3)

SRO Coord.

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.4 Maintenance and Modifications What We Are Doing Well i

i Material Condition - Focused Backlog Reduction

- Reduction of corrective maintenance (CM) backlog (was 172 now 76)

- Elimination of CM greater than 1 year old by 7-1-98 (as advertised)

- Reduction of non-outage backlog (from 2305 to 1762)

- Reduction of oil and water leaks (from 104 to 26)

- Elimination of catch containment leaks (non-outage) (from 54 to 0)

Reduction of control room WOs (from 50 to 3)

- Reduction of AUO round deficiencies (from 34 to 19) 16 Freeman

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I Maintenance and Modifications What We Are Doing Well i

Quality Work

+

- QC acceptance rate of 99.3%

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Self-Assessment Program

- Continues to identify strengths and weaknesses in our programs i

- Program will be assessed after the Unit 1 Cycle 9 refueling outage to ensure continued effectiveness Management Observation Program i

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- Management oversight / monitoring enforcement of expectations I

- Data trend now developed to identify strengths and weaknesses 17 Freeman g, ' Q:J

Maintenance and Modifications What We Are Doing Well Daily Work Schedule Implementation

- Continuing strong management presence

- Strengthened accountability

- Improving walkdowns and identification of resource needs

- Functional Equipment Group development

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s E s I 5 E" E E g g i 2 6 5 A E E S a a Switch Yard Condition - Use of predictive techniques continue to prevent switchyard challenges - CCVT issue showed strong leadership in switchyard area 18 Freeman 7 -.. ,nr,,.,pw a,,,.. 3 g... . i s. lml% CNXY~O .l ? - - ..'J~ s ~ . ~ r .s

Maintenance and Modifications Focus Areas Work Order Documentation Procedure Revision Backlog - Revisions required due to DCNs and other site improvements, number does not meet goal Rigging Practices - Challenge to not use " human rigging" on loads 19 Freeman .m... c -,,.,,-m ' *" WT' b ? ' l ..,vs.Las4:%.

Maintenance and Modifications Focus Areas Circuit Breakers - Special effort ongoing for Westinghouse DS-532 breakers - Thorough investigation - Vendor manualinadequate - Technical bulletin issued to address main contact adjustment Thermo-lag - On track to meet commitment due date of June 99 l 9 Thermo-lag Workoff l 4500 - \\ .wu-vmwgunm. w-m..m e.w.n, > ~ "erLf-h *; iMGM;M.1O*;*fn.:;a.,::,..mw n. >QT p.mi,Q: ::' ejy q[gQ n.s u. ~..wl.k., qj. :.sp n w- ~ #:n, ' g r <9; r .=. y:l.,. y +W_ h w h - Wh s b MF - Ac tu al.rsQ po-t 4000 - gg mg.g ~, Q%p.:g,.s.gvyM v ny, dTE o*f f"M.g.r.g@C9~& ~ f* i?cOf w i wvg: se Es d sce9; g ? g g g g g$ ggg ,ygg g l 3500 - a4. .m a.~ P,9.i: ~4m,.. ~.+_m.:W,,:!u#.,.n-.,w...m~mm, +Ms. - _W.. 3000 - i +4cesNV M= ~w.,' W > ? .: f.. .c 'y*. s.

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Engineering What We Are Doing Well Plant Support Activities - Strong support of plant - Strong engineering leadership - Monitoring equipment performance ICS parameter monitoring Expanding monitoring program based on PRI template Program is effective in assessing plant performance - Strong thermal performance program Effective heat recovery / heat rate minimization Team effort . Team recommendations are improving plant performance 21 Valente

Engineering What We Are Doing Well Self-Assessments - Process developed and implemented - Thorough and self-critical assessment - Continuous improvement from Industry Operating Experience - Strong management participation Steam Generator Work - Continuing aggressive techniques to preserve generators - Anticipating increased tube plugging in Unit 1 i - Performed comprehensive analysis for future cycles 22 Valente

b Engineering Focus Areas Year 2000 Plant Hardware Impacts - Scope definition and prioritization Mission critical Important to operation Desirable - Cycle 9 refueling outage impacts System / Design Engineering Cross-Training - Knowledge and skills interchange - Select design engineers placed in system engineering positions Section XI Program Assessment Outage Preparations for Units 1 & 2 Cycle 9 l Refueling Outages 23 Valente i I

Unit 1 Cycle 9 Refueling Outage UIC9 Goals - Safe and reliable Unit 2 operation - No events - Strong Unit 1 performance after startup - No more than 1 recordable injury - No lost-time accidents - Less than 212 REM exposure and no high rad violations - Clear outage TACFs (9 total ) - Clear temporary leak repairs (27 total) - Clear outage control room deficiencies (28 total ) - Total completion of baseline outage scope - Outage completed within schedule and budget 24 Bryant

Unit 1 Cycle 9' Refueling Outage Material Condition Improvements - Reliability Containment spray heat exchanger replacement = 480-V and 6.9-kV breakers refurbishment (26) 480V, (14) 6.9kV a Rebuild primary and BOP pumps / motors (12 total) = MDAFW pump 1 A-A replacement = Main generator rotor replacement = RCP motor and seal replacement (1 motor, 3 seal packages) a = Steam generator work 100% full-length inspection using a bobbin coil probe 100% hot leg top of tubesheet using a rotating pancake coil 100% row I and 2 U-bend examinations using a magnetic biased plus-point probe 25 Bryant __.hlik -[ Ek

b Unit 1 Cycle 9~ Refueling Outage Material Condition Improvements - Man-machine interface New main feed pump recirculation valves / controllers a Modify turbine steam seal system a Install redundant channel Mansell RCS level monitoring a Install new pressurizer safety valves and modify tailpipe = New No. 2 feedwater heater bypass to condenser = Install MSR and FWH sight glasses with internal level switches (28) = Clear main control room deficiencies (28) = Replace angle valves on upper pressurizer taps and correct sense line = slope on hot cal and cold cal pressurizer level transmitters - Equipment performance Install a new electrical containment penetration (1) Temporary leak repairs (27) = Flow-accelerated corrosion inspection / repairs (136 total) = Ice condenser subfloor dewatering = Ice condenser basket maintenance 26 = Bryant .lgh

Conclusions self-assessments Human Performance Material Condition 27 Bajestani .}}