November 2, 1998

Tennessee Valley AuthorityATTN: Mr. J. A. Scalice

Chief Nuclear Officer andExecutive Vice President

6A Lookout Place1101 Market StreetChattanooga, TN 37402-2801

SUBJECT: MEETING SUMMARY - WATTS BAR - PLANT PERFORMANCE ANDON-GOING SITE ACTIVITIES

Dear Mr. Scalice:

This refers to the open meeting that was conducted at your request at NRC Region II Office onOctober 28, 1998, for you to discuss recent Watts Bar Nuclear Plant and on-going siteactivities. 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 goodoverview 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 ofFederal Regulations, a copy of this letter and its enclosures will be placed in the NRC PublicDocument Room.

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

Sincerely,

(Original signed by Harold O. Christensen)

Harold 0. Christensen, ChiefReactor Projects Branch 6Division of Reactor Projects

Docket Nos. 50-390, 50-391License No. NPF-90 and Construction

Permit No. CPPR-92

Enclosures: 1. List of Attendees2. Licensee Presentation Handouts

cc w/encls:Senior Vice PresidentNuclear OperationsTennessee Valley Authority3B Lookout Place1101 Market StreetChattanooga, TN 37402-2801 5 .

cc w/encls continued: See page 2

9811120249 981102PDR ADOCK 05000390P PDR

Y

2

cc w/encls: Continued

Jack A. Bailey, Vice PresidentEngineering and Technical ServicesTennessee Valley Authority6A Lookout Place1101 Market StreetChattanooga, TN 37402-2801

Richard T. PurcellSite Vice PresidentWatts Bar Nuclear PlantTennessee Valley AuthorityP. O. Box 2000Spring City, TN 37381

General CounselTennessee Valley AuthorityET 1OH400 West Summit Hill DriveKnoxville, TN 37902

Raul R. Baron, General ManagerNuclear AssuranceTennessee Valley Authority4J Blue Ridge1101 Market StreetChattanooga, TN 37402-2801

Mark J. Burzynski, ManagerNuclear LicensingTennessee Valley Authority4J Blue Ridge1101 Market StreetChattanooga, TN 37402-2801

Paul L. Pace, Manager LicensingWatts Bar Nuclear PlantTennessee Valley AuthorityP. 0. Box 2000Spring City, TN 37381

William R. Lagergren, Plant ManagerWatts Bar Nuclear PlantTennessee Valley AuthorityP. 0. Box 2000Spring City, TN 37381

cc w/encls continued: See page 3

3

cc w/encls: Continued

County ExecutiveRhea County CourthouseDayton, TN 37321

County ExecutiveMeigs County CourthouseDecatur, TN 37322

Michael H. Mobley, DirectorDivision of Radiological Health3rd Floor, L and C Annex401 Church StreetNashville, TN 37243-1532

Distribution w/encls:L. R. Plisco, RIIA. P. Hodgdon, OGCB. J. Keeling, GPA/CAM. D. Tschiltz, OEDOR. E. Martin, NRRF. J. Hebdon, NRRC. F. Smith, RIIE. D. Testa, RI[D. H. Thompson, RiIL. S. Mellen, Rl1H. L. Whitener, RIIPUBLIC

NRC Resident InspectorU.S. Nuclear Regulatory Commission1260 Nuclear Plant RoadSpring City, TN 37381

OFFICE Rll:DRP

SIGNATURE __INAME P Taylor alt

DATE10/30198 10/ /98 10/ /98 10/ /98 10/ /98 10/ /98 10/ /98

ICOPY? YES NO YES NO YES NO . YES NO YES NO YES NO YES NO

OFFICIAL RECORD COP'Y U~MNINM::vov~DCLCUMrtN I NAMM: i\eulc lassilyuwOFFICIAL RECORU GUFY

LIST OF ATTENDEES

L. PliscoC. CastoV. McCreeH.ChristensenD. Rich

Director, Division of Reactor Projects (DRP), Region 11 (RII)Deputy Director, DRP, RIIDeputy Director, Division of Reactor Safety, Rl1Branch Chief, Branch 6, DRP, Rl1Resident Inspector, Watts Bar, DRP. RIl

TVA Staff

R. PurcellD. KulisekB. LagergrenJ. MaddoxP. Pace

Site Vice President, Watts BarManager, OperationsPlant ManagerManager, Engineering and MaterialsManager, Site Licensing

Enclosure 1

Name

NRC Staff

Title

Eniclosure 2

AGENDA

* Introduction Rick Purcell

* Plant Performance Bill Lagergrel/

Dave Kulisek

* Ice Condenser Jim Maddox

* Plant Systems Jim Maddox

* .Security R. Purcell

* Safety Conscious/Work Environment R. Purcell

* Conclusion R. I'utrcell

WBN U1C2AVERAGE % REACTOR POWER

100.00

8 80.00 c00.

o 0

60.00

& a:

2 40.00 i

20.00

0.00 e 0 - co en = w 0

Z- , , rn E-

3

SITE ATTENTION ITEMS

NAWDWt4h -CXMCb

Pa -

C[rseI lRd doid -sNALO resod .AaI2 F. S perforu 4 Issoded l...

12 3 LA" i.wu *a caoin Lq d-gs.

a

II1W19 10'21

9 9 9 9 9 9

1111'I I - I -. -I -

1LY23 1023 I1h21

i M&1K) AAM1L (Unn1k"69I

I Nit ) t P~anugJ ihkj I

7 7 7 7

a -I&g'

iI I F. 7I /2 II110 IIm1. 1,

WI31

4

180

140

M2R INSlRUME13S OUrOFSERVICE(Outage Backlog Exlde4

i6

14 ICR00

12

10

8

6

4 3;2 a TIara ' 3

2 1|C|-

1W17 1019 1021 1023 1025 1027 1029 1031 11f 119 11| 1

10 10

16

14

12

10

a

3.

6

4

2

0

10 10

-. � a -a a - w* u-u - - a -. - a - a - I

1017

C. S V § r- at M

.

I.

Q150

SITE DOSE E QiOD

PERFORMANCE __._._._.

INDUSTRY LEADER Qcw 3.VK1 WQ WG WVA

FY '99 YTD

B.ust ae Cdlecw Sae Lkne

(.egO713 %d 17, 1997)

16

14

12

10

Wamtftxd Cbalty I Waif Sauna I (r*-tkd L)A% Smbuuk WdsII i

3 od I ia 11I

5

NEI INDICATORS

0

I.

6

SCRAM S

12.00

10.00

{ A \ Safetya 8.00 Thresholda

o 6.00c. Regulatory

4.00 Threshold

X2.00 it tti

e ED rn . r- r- cm o w

4) ( n C &s aD a C6. U ~- c 6. U ; r &0 0 0 3

cl, 0 - CIn 0 onCf

SAFETY SYSTEM ACTUATIONS

10

I :

7 ~ Threshold

8 6 Regulatory-5 Threshodd

., 71i

V}

NEI INDICATORS

, 01

RCS ACTIVITY(Dose Equivalent Specific Iodine .jCI/gm)

1.25

1.0

Safety Threshold

0.75 (Tech Spec Lhd)

Regulatory Threshold

050 (50% TS Limit)

0.5

0.00

O Ln to d* O> *f o* a, . r. w, w. w w VI w w w0) 0C , . C0 0) 0) ,n m , C-

I & ;a ~, - k : IL -4 - .> C -~

Ua.

RCS LEAKAGE(Total Identified and Unidentified)

10

10 "*-\S afety Threshold

(Tech Sp&, l inut)

Regulatory Threshold

0 (50% TS Lrrit)

:

7

5~j'

NEI INDICATORS

8

SHUTDOWN OPERATING MARGIN4

3- = =0.83 Events/ 0.8 Severity 2

2OutageCc

EXGoals c oz 1. 1 Event0.2 Severity x k 0.2

U U0

Uli U1L~C2

Watts Bar Nuclear PlantFY99 Report - As of October 11, 1998

I I I I I I'll'-Performance Indicators Month Year To Dabte FY go FY 99 -

a _ _ °__ _To iPnTarget Da Trend Tart Actual Trend ange Goal Goal

PERs (Key Program Actions) % On Time/Tota, 96- 99. 96% 99% 96% 96% A l

Schedule Performance 795% 94.7% >95% >95% A2

Backlog of PERs(increasing/Decreasing forSite) - 300 373 300 373 + 300 300 A3Human Performance Success Rate(A&BPERs/1000mhrs)* TBD 0.12 A4

Human Success Leading Indicator Rate(C&D

PERs/1000mhrs)- 0.325 0.38 _ A5

Ratio of C+D PERs/ A+B PERs (Site) >30: 1 25:0 - >30:1 25:0 t - 15:1 >30.1 A6

Number of PERs Opened/Closed for Mo(Site) TBD 25/41 - - TBD 25/41 . A7

o Number of extensions (site wide) <30 12 ' <30 12 <30 A8

O Quality of PER packages >95% -I100% *- >95% 100% - - >95% A9

- Average age for Level A, B. C PERs (mths) <4.5 5.254 ' <4.5 A10

@ II Cycle time of program (Problem Identification

- .- to closure)(mmths) - _-_ - TBD 2.945 - . TBD All

UI) j t' Percent of line identified PERs 80% 96% - B0% 96% ' _ _ 0 80% A12

% Site Identification Index as opposed to

o identified by NRC, INPO, NSRB 95% 100% ' 95% 100% ' 95% 95% A13

C LU 0 Self identification index by causing org:- -_--_--._-_-_-_- _ -.-- A14

c. o Operations 70% 808% 4' 70% 80.8% 70% 70% A15

O C ' MTN and MODS 55% i 59.3% _ 55% 59.3% 55% 55% A16

L) .0 0 Engineering 60% 76.2% ' 60% 76.2% 60% 60% A17

o X RADCHEM 75% 100% ' 75% 100% 75% 75% A18

Site Support - 65% 538% 65% 65% A190.0 O _

9

SALP RATINGS VS CULTURE INDEX

* WBN CULTURE INDEX (CI) COMPARED TO AVAILABLE DATA

FROM 44 NUCLEAR PLANTS

* WBN 1997 C=12.68 1* WBN 1998 Cl=13.45 /

TYPICAL VALUES FOR AVERAGE SALP IPLANTS

* IMPROVEMENT FROM 1997 TO 1998 OF 0.77 - POSITIVE DIRECTION

* INDICATES WBN CULTURE COMPARES TO STRONG PLANTS; NOT

QUITE AT SELF-SUSTAINING

10

WBN SITE WIDECULTURE KEY ATTRIBUTES

[n 1997 * 1998 - --- 1997 Avg (2.54)- - 1998 Avg. (2 69)E --I , -. - - - .- .. .

Know ledge & Skills

------ - ---

-..... --- .

Sinlpb Work Practices Lateral kflegraton Sel hIpiovenmrit Oulute

key Attributes

I I

3

2.5

2

1.5

0.5

0UAssion & Goals

I

STATUS CONTROLSIX MONTH ROLLING AVERAGE OF DAYS BETWEEN STATUS CONTROL ERRORS

70

50 FY99a4L 1

40

~30i(001)

10

Clu-97 1kbv-97 DL -97 Jan-98 Fih98 M,-98 Ap-98 hiky-98t ki 9 tg H illm

12

OPERATORWORK AROUND HISTORY

0)lU Priority 1* Priority 2

I I I I *

14, a

Jun- Aug-97 97

Oct-97

Dec-97

Feb- Apr-98 98

Jwl-98

Aug-98

Oct-98

Priority 1: Operator action must be taken during response to an accident or transient.Priority 2: Operator action must be taken during normal operation as a compensaltry measure.

I3 .

aU12-

10

8

2

0Oct-

96Dec-

96Feb.97

Apr-97

U1C2 REFUELING OUTAGEPlant Material Condition Upgrades

- Main Condenser/Gland Steam Condenser Retube

- S/G Moisture Carryover Modification

- Integrated Computer System

- Piping Upgrades for Flow

Accelerated Corrosion

* Material Condition Recovery

- Clear All Operator Work-Arounds

- Restore Plant Temporary Repairs

(Fumanite, Catch Containments, etc.)

- Clear Plant Temporary Alterations

* Projected Duration - <45 Days

14

ICE CONDENSER

* Comprehensive Self-assessment Performed* Scope

- Design Basis

- Design Changes

- Tech Spec / Surveillances

- Maintenance Practices /Material Condition

- Industry Operating Experience

* Team

- Six member team representing WBN & SQN Engineering, Modificationsand Corporate Engineering

- Independent oversight by WBN & SQN QA

15

ICE CONDENSERSELF ASSESSMENT RESULTS

What We Do Well

- Continuity between Design Basis and Operation

- Good material condition of ice condenser

- Effective ice basket servicing plan

* All baskets weighed at least once

* Small number (34) of frozen baskets

- Staying current on industry issues

* Interface with other Ice Condenser Plants

* Ice Condenser Utility Group

16

ICE CONDENSERSELF ASSESSMENT RESULTS

Areas for Additional Focus

- Improve debris logging and tracking

- Improve evaluation criteria for detrimental damage of ice condensercomponents

- Improve training for ice basket servicing crews

- Improvements for better system operation

* Top deck blanket tape

* Top deck vent curtain position

* Procedural enhancements

- Enhancements to FSAR / Design Basis Documents

- Boron Sampling Methodology

17

I .

* 0a

I WZ. , W....W

Y.,* Iw W eF -~

-i-~I-.4A.TW1W1WbAWMRHENEM44Ao

MFW CTRL

wavWHfTE I

47 MAINTURB CTR

mY gtEL OW 4m

244JffieMAIN GEN

im21WmItT ew

2ND QTR

FY98

401250751I252

I2owHrrE T____________________________________________ I

P QUARTERS T WI LHv.pAAW lJS 4 QUTITER M (ODT ON LE Wr

o: ORN RAMd LPTf : DT IcE 2 P RATS10GCOCW: TERATN o: DOWNTA 0: ttfSCOPEONILY t: (.Nil RATUW3Y: YELW RATING *: MiTRALTN It TICANT t NOTRATEDYET

R MD RATWO S: MWFETY STAMY-: LE. N DATA PA: RIS gI SAFE YTDIY

*: W MaClaRmt t

I

SYS #RNAME

t RULE 1yS xfSRATDIG RATTING TRESE

Pagel8

MWe

mHrrE I

-41Wb.

.

.. ,w,....

. .-

SYSTEM STATUSWBN

amommom mmm�

r

FORWATED BY WVBN SYS ENGINEERINtFILE NAEA554 SSAMNON, 5113195

SECURITY IMPROVEMENT AREAS

Hardware Improvements

* Metal Detectors

* X-Ray Machines

* Close Circuit Television

(Cameras and Monitors)

* Microwave Intrusion

Detection System

19

SECURITY IMPROVEMENT AREAS

Security Response Strategy Improvements

* Improved Communication System

* Installed Delay/Engagement Fencing

* Hardened Firing Positions

and Some Security Barriers

* Revised Strategy Timelines

and Target Sets

* r

0

2()

SECURITY PROGRAM IMPROVEMENTS

* Site Security Manager Position Established

* Site Security System Engineer Assigned

* Preventative Maintenance Program Enhanced

* Tracking and Trending Program Enhanced

2 1

SAFETY CONSCIOUS WORKENVIRONMENT

- Continued emphasis on finding and fixing problemsthrough Corrective Action Program

- "Do What's Right" training for WBN employees- STAR 7 training for all WBN employees- Periodic communications by Site Vice President- Concerns Resolution monthly status reports- New Posters describing Concerns Resolution Program- New brochure to assist employees in solving problems- Safety Conscious Work Environment articles in monthly

site newsletter- Concerns Resolution home page on Watts Bar's web site

- INITIATIVES

70

60

50

40

30

20

10

0

Total WBN NRC Allegations

11 I

193 1994 1 19 6 -19 1- 9.9 8

1993 1994 1995 1996 1997 1998'

I Prrjo~lcd for 1998

4 - X LI IN- /- z7 a - XA - - at --

121 Total WBN DOL Complaints10

8

6

4

2

0 II 0

rui-L-l 1XXT1.T80 - lO1al VVWIn utcK iru ISSI70 -60-

40

30-

i0 - I 1 - | I0 --- 1 1- I

1993 1994 1995 1996 1997 1998-

* Pro jctced for 199'8

1993 1994 1995 1996 1997 1998*

Lues

-)-4 oick*-.. il I.,l I 99h

1. , I 'O ,I a

9, �