ML20207K323

Discusses 990224 Meeting Re Staff Critique of Refueling & Equipment Outage RE-18 & Implementation Status of Improvement Strategy for Engineering.List of Attendees & Matl Used in Presentation Encl

ML20207K323
Person / Time
Site:	Cooper
Issue date:	03/08/1999
From:	Brockman K NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
To:	Horn G NEBRASKA PUBLIC POWER DISTRICT
References
NUDOCS 9903170132
Download: ML20207K323 (69)

Text

{{#Wiki_filter:' a ep'"c UNITED STATES ug's [ NUCLEAR REGULATORY COMMISSION 4 i r,. I

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8 l 611 RYAN PLAZA DRIVE, SUITE 400 ARLINGTON, TEXAS 76011-8064 ,, g MAR - 8 1999 G. R. Horn, Senior Vice President of Energy Supply Nebraska Public Power District 141415th Street Columbus, Nebraska 68601

SUBJECT:

MEETING WITH COOPER NUCLEAR STATION I

Dear Mr. Horn:

This refers to the meeting conducted at the Cooper Nuclear Station on February 24,1999. During the meeting we discussed your staff's critique of Refueling and Equipment Outage RE-18 and the implementation status of your improvement strategy for engineering. The meeting attendees are listed as Enclosure 1. Your presentation is included as Enclosure 2. The exchange of information during the meeting was candid and informative and allowed us to gain a better understanding of your outage scope, the lessons learned, and planned corrective actions. Additionally, we benefitted from the discussions of the improvement strategy and lessons learned regarding its implemenation. In accordance with Section 2.790 of the NRC's " Rules of Practice," Part 2, Title 10, Code of Federal Regulations, a copy of this letter will be placed in the NRC's Public Document Room. Should you have any questions concerning this matter, we will be pleased to discuss them with you. Sincerely, e en E. a irector Division of Rea or Projects Docket No.: 50-298 License No.: DPR-46

Enclosures:

1. List of Attendees

2. Licensee Presentation cc w/ enclosures:

John R. McPhail, General Counsel Nebraska Public Power District P.O. Box 499 Columbus, Nebraska 68602-0499 h 0 P s

h o Nebraska Public Power District J. H. Swailes, Vice President of Nuclear Energy Nebraska Public Power District P.O. Box 98 Brownville, Nebraska 68321 B. L. Houston, Nuclear Licensing and Safety Manager Nebraska Public Power District P.O. Box 98 Brownville, Nebraska 68321 Dr. William D. Leech MidAmerican Energy 907 Walnut Street P.O. Box 657 Des Moines, Iowa 50303-0657 Mr. Ron Stoddard Lincoln Electric System 1040 O Street P.O. Box 80869 Lincoln, Nebraska 68501-0869 Randolph Wood, Director Nebraska Department of Environmental Quality P.O. Box 98922 Lincoln, Nebraska 68509-8922 Chairman Nemaha County Board of Commissioners Nemaha County Courthouse 1824 N Street Auburn, Nebraska 68305 Cheryl Rogers, LLRW Program Manager Environmental Protection Section Nebraska Department of Health 301 Centennial Mall, South P.O. Box 95007 Lincoln, Nebraska 68509-5007 ./

v-e- Nebraska Public Power District R. A. Kucera, Department Director ' of Intergovemmental Cooperation Department of Natural Resources . P.O. Box 176 ' Jefferson City, Missouri 65102 Jerry Uhlmann, Director State Emergency Management Agency P.O. Box 116 - Jefferson City, Missouri 65101 Kansas Radiation Control Program Director i 4 6 e i 4 23 ' r J m. k 5'.

Nebraska Public Power District 4-MAR -81999 bec to DCD (IE45) bec distrib. by RIV: Regional Administrator Resident inspector DRP Director DRS-PSB DRS Director. MIS System Branch Chief (DRP/C) RIV File Branch Chief (DRP/TSS) Project Engineer (DRP/C) i f DOCUMENT NAME: R:\\_CNS\\CN2-24MS.DRP To receive copy of & g 'neig, indicate in box: "C" r Copy without enclosures *E' = Copy with enclosures *N" = No copy RIV:SPE:DRP/QT C:DRP/C W D:DRP DPLoveless:df Y CSMarschall'(6 KEBrockman ilN) 3/ q /99 3/1 /99 3/ 4 /99 '/ OFFICIAL RECORD COPY

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' Nebraska Public Power District' MAR -8 1999 bec to DCD (IE45) - bec distrib. by RIV: Regional Administrator Resident inspector DRP Director DRS-PSB DRS Director MIS System Branch Chief (DRP/C)- RIV File Branch Chief (DRP/TSS) Project Engineer (DRP/C) I 170021 ' DOCUMENT NAME: R:\\_CN3\\CN2-24MS.DRP To receive copy of documeg, indicate in box: "C", Copy without enclosures *E" = Copy with enclosures 'N" = No cop), RIV:SPE:DRP/O'A'; C:DRP/C 't% D:DRP - DPLoveless;df Y CSMarschall'(6 KEBrockman ill) 3/ R /99 3/ 9 /99 3/ 4 /99 '/ OFFICIAL RECORD COPY

E, ENCLOSURE 1 NRC/CNS OUTAGE CRITIQUE MEETING February 24,1999 ATTENDANCE SHEET NAME _ TITLE EXTENSION $bk NH1LCY ljlCnL<rQC-BMIHSR-CN% 5009 006 bORTsu MMusk-Fkenenus Angse sovs .%L Li suSr tbw/psc, nG NR (+n) M&l% w S. nwm a~,sn nr. wor ~bD A e s MM-4Nu &n Acrwar "es Michel T Boyce. Herb-L f Em.h % w Dw 0 V . NnN0 bd.S 0 ppb - Liuaina 6eerk 3/l7 V J 6

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CNS NEI/NRC Performance Indicators ,\\ e J /a sa >3 am w >4 %-1 -r >s u >2.5% 4 ) Safety System Failurer Data Not Available a i A PED l >4% >1.5% M "?. >5 . >.5 TS l l f i l i ~ CSS % -' <75% '<00% <80% > ' i >.5 TS ~.. >La .<7 (90% <90% 3 b n a i >5 >2 ~ >7 >3 <94% >11 >5 >13 >S -<s3 <95% g 1 g <35 <95% >2 >5 >2 1 1 4 i Oecembor j Acceptable -Increased Regulatory Response Acceptable - Required Pe utato Action i NOTE: 1 i blDPI xis 1 2/10/99 i d i

) CNS NEl/NRC Performance Indicators j J l ~ ~ s >3 3> >4 >8 ,, >2.6 % l 1 j Safety System Failures i Data Not Available PED >1 >4% >1.5% E >.6 TS i t I J <SE% <76% ' <S0% <80% >T >.6 TS >g <7 (90% <7 (90% l a t t 5 a >5 >2 >7 >3 i <94% >11 >6 >13 >6 <88% (95% (85% (95% >6 >2 >5 >2 i COCOmber Acceptable Increased j Regulatory Response Acceptable - Required i Re ulato Action I i NOTE: l 1 { f 1 ) NEIPI als i

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NEl/NRC Performance Indicator Unplanned scrams per 7000 critical hours (automatic and manual) 30 $ 25 c. I 20 7 15 10 s: 5 0 5 5 N 5 E U N ? ? N y e a = v v 1 ? e v E E E E E E E .E E E E 8' Unplanned Scrams Green / White Threshold White-Yellow Threshold Yellow-Red Threshold Date Value Feb-98 O DefiniDon: Calculation method Mar-98 0 Manual and automate (while critcal)

1. scrams last 4 atrs x 7000 / # critical Apr-98 0

hrs last 4 qtrs May E8 0 Does not count scrams directed by Jun4B 0 normal operating or test procedure Similar to WANO indcator, except that it Jul-98 0 also counts manual scrams Aug-98 0 Includes scrams occumng dunng Sep-98 0 procedures with high probabilty of Oct-98 0 scram, but the scram was not planned. Nov-99 0 Dec-98 0 Jan-99 0 t

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NEl/NRC Performance Indicator Safety System Performance inclicator RHR Unavailability 6% 5% -- 34% 1 E ? 3% 2 5'2% 1% ----- -{ I 0% E 5 N 5 E Y ? ? ? 5 W 7 ? ? Y ? e T 1 ? ? E E E E E E E E E E E rm RHR Unavailability Green / White Threshold White-Yellow Threshold Date value Feb-98 0.009977 Definitiort Calculation method Mar-98 0.009977 Average of the unavaitatx1ites of the SSPIis the average of the unavailabihbes Apr-98 0.009976 individual trains wip Mg the system of the individual trains that compnse the May-98 0.010161 over a 36 month period. system. Jun-98 0 010161 Jul-98 0.010161 Identical to WANO SSPI Each train unavadabikty is the rabo of its Aug-98 0 010389 unavadable hours to the hours the system Sep-98 0.010389 was required to be e,perable Oct-98 0.010633 Nov-98 0.010785 Train anavailable hours is the sum of the Dec-98 0 010785 planned, unplanned, and fault exposure Jan-99 hours. 1 1

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f -o i i Agenda m Opening Remarks s i m Engineering Strategy Update - B. Rash j m l m 1998 Refueling Outage - M. Peckham j - Outage Goals & Overall Performance j - Outage Overview l j - Outage Lessons Learned 4 i ptpi - Common Threads and Corrective Actions Ei m Quality Assessment - A. Sessoms li 2/24/99 2 I

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L Closure Package L Lessons Learned a Seize Organizational Learning Opportunities a Share Information With Entire Organization l m Hold People Accountable for Quality a Get Management Engaged with Workers f m Best Quality Work Comes from Frontline Workers i i m Establish Integrated Effectiveness Reviews I(iMk u Reinforce Expectations, Roles & Responsibilities a Use Strategy to Set Engineering Priorities 2/24/99 10 i

i RE18

e Engineering Expectations & Results a

i Expectations Results s Enable the People to a Decision Making at the Run the Outage Right Level r U i m Organize to Reduce a Some Long Term ~ Reliance on Overtime issues Resolved i a Be Responsive to a Improved Engineering Technical Issues Responsiveness j ~ m Balance Strategy with a Balancec Strategy with Outage Outage

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i f 1998 Refueling Outage i .c _ h.+...hwn +'-- l$ M I ~_,.n.,. 'yn e- ^ .____._3 .__._...'x. i l Mike Peckham Plant Manager l 2/24/99 12

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d Outage Goals I Target Result l Nuclear No Significant No Significant Events Events-Safety

l$is4 Personnel NO LTA's No LTA's Safety 5 5 ISAR 0ISAR 3

ALARA 3116 Rem 161 Rem i Work > 150 day post Currently at 66 l Quality Hutage run Days. i Work 5 45 days 78 Days Nwd ie5R Schedule 3 I 2/24/99 14 i

^ i Outage Performance Results m Nuclear Safety - No Significant Events m Personnel Safety - Improved wor < force and management focus on personnel _a l safety m ALARA - 2nd Best Outage Performance i m Outage Quality - 33 days continuous 3?n operation j m Outage Schedule - Exceeced Schedule ~ 2/24/99 15 m. u-

i i Outage Performance Results (cont; i i l i i l: m INPO Significant Events

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- Severe or Unusual Plant Transients - Safety System Malfunctions i - Major Equipment Damage j - Fuel Handling Events

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- Excessive Radiation Exposure - Excessive Discharge of Radioactivity )' - Other Events involving Nuclear Safety a ~ 2/24/99 16

I e a I i l Outage Performance Results (cont) i 1 ! m Not Significant Events ] - An Event That is Not Significant li Half Trip of RPS Due to Defective Assembly Logic Card i j Flakes Found in SW System j I i 7} 1 x [,(r ygp.;f v !Bi t + +

-i i Outage Performance Results < cont 4 m Noteworthy =

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- A Not Significant Event that May be a Precursor to a Station Problem HPCI & RCIC Overspeed 4 l Plugged Drain Overflows onto RHR Pump Inadvertent Closing of EDG Output Breaker SDIV High Level Scram i Undetected Inoperab e SDIV Trip Channel i DC Fuse issue 2/24/L3 18

l l Outage Performance Results (cont) 1 Licensee Event Reports 23 - Scram on SDIV high level i 25 ) - RPS actuation / loss of 20 shutdown cooling j - HPCI MO-14 steam leak l (E 15 - HPCi/RCIC venting 3 11 a, o 21 Outage 2/24/99 19

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{ ~. Outage Performance Results (cont; i e i i '( NPPD Employee Injuries l e:rrg 10 3 9 E NPPD Employees! I 9-8 Recordables 3 Hand Cuts - i 6 5 = h y5 1 4 1 Pulled Shoulder g 4-3- r 2- !l 1 7 ;g 0 1 ? ^ E15 E16 E17 E18 l Outage 1 2/24/99 21 I

l I incidence Rate ~ (# Incidents)(200.000mhrs) / Actual mhrs worked O.80 gyg i ~ i 0.70 $53 ' oS 0.52 a i 0.50 - t G 8o 0.36 g .4o c. g 030 - 0.22 0.20 i ? I 0.10 g l l ji[F729P3l[; 0.00 RE15 RE16 RE17 RE18 r - i Outage .g 2/24/99 22 l A

Outage Performance Results m Nuclear Safety - No Significant Events j m Personnel Safety - Improved workforce j and management focus on personnel ) safety 3 a ALARA - 2nd Best Outage Performance t i j m Outage Quality - 66 days continuous j i ? l operation l l m Outage Schedule - Exceeded Schedule

,l Outage Performance Results (cont) Outage Dose 400 363.6 . pg> 342.1 296.0 296.3 - 233.3 ~- 93.2 200 168 161.2 0 ,,_ 7 10 11 12 13 14 15 16 17 18 2/24/99 Refueling Outage 24 i

j i i Outage Performance Results (cont; \\ i ? m Nuclear Safety - No Significant Events m Personnel Safety - Improved workforce l and management focus on personnel safety l m ALARA - 2nd Best Outage Performance ? \\ L, m Outage Quality - 66 days continuous ^ ne lI;r," operation l m Outage Schedule - Exceeded Schedule i 2/24/99 25

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CNS Outage Overview (cont; 1 j m Long-Standing Issue Resolution - MSIV LLRT Failure j - AOV 259/261 - REC Flow to the Quad Coolers } Z" Sump 1 i - DC Fuses + -, ta5l - RWCU-15 ~ - HPCI MO-14 2/24/99 33 L l

Outage Lessons Learned i I i m Approach - Reviewed Several Sources for Issues CAP-QA Audit-Postoutage Critique-External t Feedback l l - RCR and SCR Analysis l - Symptom Based Bins pgM - Search for Common Threads -Corrective Action Development 2/24/99 34

i 3 ) i Outage Lessons Learned (cont) ~ ? m Symptom Based Bins j ' M! - Engineering Issues - Worker Practices ? i -Corrective Action Effectiveness 1 - Control of Evolutions i i - Outage Preparations

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t s p l. Outage Lesson.s Learned <: conc l L Engineering issues i WE - Optimum Water Chemistry Tap 4 - DC Fuse Sizing i - DG Tripping on Overload i i l 3 } } sji tin j ; '.$3f' Il 2/24/99 36

Outage Lessons Learned (cont; m Worker Practices l ) - Excess Flow Check Valves Installation . $?9 ' ^ - RR Seal Installation - SDIV Transmitter Power Supply Instal:ation i - HPCI MO-14 Steam Leak - CRD O-Rings Not Removed jlp;pl - Rigging (Turbine Deck, Heater Bay) - Missed QC Hold Points i l 2/24/99 37 l

k I 5 Outage L-essons Learned (cont) i d l m Control of Evolutions i MdF; - Drained RPV 1.4 inches l - Filling, Venting and Draining -One SS Unaware of a Contingency Plan 2 i -Tagging / Clearance Order Issues g-

,c l Outage Lessons Learned (cont) l 1 m Corrective Action Effectiveness ? !!3# - SW 89A/B Leakage j - AOV 259/261 i - LLRT Failures -Training & Supervision of Contractor i i Personnel -Tagging Orders g_

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6 i i i iL; Outage Lessons Learned <: cont) 1 A m Common Threads ) - Contractor Control r l - Engineering Support j Equipment Trending I - Equipment Design Issues 'o ~ z I. 2/24/99 41 a s ^- w-w- m

1 i i Outage Lessons Learned (cont; i m Common Threads <' cont.} Ml - Human Performance Procedure inadequacy j { Communication issues Maintenance Supervisory Oversight l Attention to Detail nbmi - Questioning Attitude is M -Corrective Action Effectiveness 1 i 2/24/99 42

Corrective Action Contractor Control m SCR to Evaluate and Correct m Multi-Discipline Contracts Team - Selection and Control ( - Bid Specs I - OEM Focus - Evaluating Getting a Partner m Pre-Work Training Program Improvements f m Increased NPPD Supervisory Oversight in } the Field 2/24/99 43

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i Corrective Action Human Performance 4 m Human Performance improvement Plans

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RFO-18 Quality Assurance Oversight Elif;2153Ymull? Andy Sessoms Senior Manager of Quality Assurance 2/24/99 49

I i RFO-18 t Quality Assurance Oversight i m The Overall Performance for the Outage ,1 Improved Over Previous Outage l Performance j ^ i l - 53% of Aireas Improvec l 8 -30% of the Areas Remained the Same l i -17% of the Areas Declined aw .+w i

RFO-18 Quality Assurance Oversight j m Strength l - Work Control m Effective - Outage Risk Management - Parts and Material Control $;3[$;l T = 2/24/99 51

.s - .~ RFO-18 Quality Assurance Oversight l m Improving ' s?M : - Outage Management Leadership l - Management Focus On: l i Human Performance - Quality i Personnel Safety jfj@ - Outage Communication l - Housekeeping 2/24/99 52 i u

RFO-18 Quality Assurance Oversight L i m Improving (Cont} l M1 - Radiological Controls 1 i - Industrial Safety e -Training In Support Of Outage -Modification Activities ~ e 4 2/24/99 53 l i

= RFO-18 Quality Assurance Oversight i ~ m Needs Improvement - Outage Preparation

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