ML20237J956

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Accepts 860609 Invitation to Attend 860825-27 Seminar on Nuclear Plant Life Extension.Meeting W/Industry Steering Group Scheduled for 860821 in Washington,Dc.Agenda,List of Attendees & Viewgraphs from 860821 Meeting Encl
ML20237J956
Person / Time
Issue date: 07/16/1986
From: Sheron B
Office of Nuclear Reactor Regulation
To: David Hostetter, Neils G
NORTHERN STATES POWER CO., VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
Shared Package
ML20237J938 List:
References
FOIA-87-350 NUDOCS 8708190028
Download: ML20237J956 (70)
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Text

JUL 16 1935 Mr. Gerald Neils Northern States Power Company 414 Nicollet Mall 3 Minneapolis, Minnesota 55401 Mr. David Hostetter #

Virginia Power Company P. O. Box 2666 Richmond, Virginia 23261

Dear Mr. Neils and Mr. Hostetter:

1 Thank you very much for-your letter of June 9,1986 inviting two or three senior NRC staff to attend the Seminar on Nuclear Plant Life Extension August 25-27, 1986. We accept your' invitation. I spoke with John Carey of EPRI recently and informed him we would like to send four individuals to the seminar, two from the Office of Nuclear Reactor Regulation and two from the Office of Nuclear Regulatory Research', He indicated this was acceptable.

Although I have not yet seen th'e meeting program, I anticipa;e the seminar will cover a wide range of issues associated with life extension. For this  ;

reason, I am requesting that our attendance not be limited to the same l individuals every day,- but rather to a total of four individuals at any one '

time. Again, I discussed this with John Carey, and he indicated this i arrangement was acceptable.  !

Finally, from my discussions with John, we have scheduled our meeting with you  !

and other members of the industry steering group for August 21, 1986. The meeting will be held at EPRI's Washington, D. C. office and will be from 1:00 p.m. to 4:30 p.m.

l I look forward to this meeting and the seminar as a forum for identifying l issues associated with life extension that are of mutual interest.

Sincerely, i

MN !Ip*3 $

a 2. Das Brian W. Sheron, Deputy Director Division of Safety Review and Oversight Office of Nuclear Reactor Regulation cc: J. Carey, EPRI DISTRIBUTION: HDenton GAriotto, RES DClea_rx Central Files RVollmer LShao, RES ackson DSR0 C/F TSpeis RBosnak BSheron BSher R/F

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7/lh/86 8708190028 870814 PDR FOIA AIROZOB7-350 PDR < .

NRC/NSP/VP LIFE EXTENSION MEETING

" PLANT LIFE EXTENSION OVERVIEW AND. PILOT PLANT STUDIES" WASHINGTON, DC.

. AUGUST 21, 1986 1:00 P.M. 1. INTRODUCTION PURPOSE OF MEETING - AGENDA - G. NEILS 5 MIN.

PRESENTERS

2. UTILITY INCENTIVES, POSITIONS, FOR G. NEILS/ 10 MIN.-

LIFE EXTENSION D. HOSTETLER LONG-TERM GENERATION PLANNING ECONOMIC BENEFITS BETTER AND SAFER PLANTS .

INDUSTRY EFFORTS-0VERVIEW

3. THE VIRGINIA POWER SURRY 1 PILOT PLANT STUDY D. HOSTETLER 10 MIN.

PROGRAM PLAN AND INTERIM RESULTS GROVE 20 MIN.-

4. THE NSP MONTICELLO PILOT PLANT STUDY D. MUSOLF 10 MIN.- -

PROGRAM SCOPE AND RESULTS F. GREGOR 20 MIN.

5. LIFE EXTENSION IMPLEMENTATION PLANS D. HOSTETLER S MIN. l T. BAILEY 5 MIN.
6. QUESTIONS AND ANSWERS ALL 10 MIN.
7. NRC LIFE EXTENSION ACTIVITIES B. SHERON G. ARLOTTO 4:30 p.m. ADJOURN i l

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PROGRAM PLAN l

l OBJECTIVES l o DETERMitjE POTENTIAL EXTENS10tl YEARS 1

o IllVESTIGATE TEChWICAL ISSUES /0BSTACLES l

o ASSESS COST-BENEFITS l

o ASSURE CURRENT LIFE GOAL IS MET o IDEt!TIFY PREVENTIVE ACTI0llS, FUTURE WORK o ESTABLISH BASIS FOR LICENSE AMENDMENT

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PROGRAM STEPS i

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o MAJOR COMP 0tlENT IllVENTORY (120) o CRITICAL COMP 0NEllT SELECT 10tl, RAtlKING l'

o CRITICAL COMP 0llENT ASSESSMEllTS (27)

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! o CATEGORIZE REMAINING COMPONENTS o EVALUATE ANOTHER 26 COMPONENTS i I

o C0tlDUCT FIRST-CUT EC0tl0MIC ANALYSIS 1 o ISSUE REPORTS i

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Top 24 Components i

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EVALUATION RESULTS COMPONENT R ANKING l

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RAhn COMPONENT l

1 VESSEL PRESSURE BOUNDARY 2 REACTOR PEDESTAL 3 DRYWELL FOUNDATION I

4 BIOLOGICAL SHIELD:

5 REACTOR BUILDING.BASEMAT FUEL POOL SLABS AND WALLS 1 6

7 SACRIFICIAL SHIELD WALL 8 DRYWELL METAL SHELL 9 SUPPRESSION CHAMBER INCLUDING SUPPORTS 10 RPV SUPPORT l

11 REACTOR BUILDING FLOOR SLABS AND WALLS 12 CONTROL ROOM 13 CRD HOUSINGS EXTERNAL  ;

14 CRD HOUSINGS INTERNAL 15 TURBINE PEDESTAL 16 SHROUD 17 CORE SUPPORT PLATE

, 18 CORE TOP AND. BOTTOM GRID l 19 VENT LlHES INCLUDING BELLOWS  !

20 VENT HEADERS AND DOWNCOMERS 21 EMERGENCY DIESEL GENERATORS 22 REACTOR RECIRCULATION LINES 23 JET PUMPS 24 N0ZZLE SAFE EhDS f

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CRITICAL COMPONENT TOPICAL REPORTS (1) REACTOR VESSEL PRESSURE BOUNDARY, INCLUDING HEAD, FLANGE, i SKIRT,,ND A STUB TUBES (2) CONCRETE STRUCTURES, REACTOR PEDESTAL,.DRYWELL FOUNDATION, BIOLOGICAL SHIELD, FUEL POOL SLABS AND WALLS, REACTOR BUILDING BASEMAT, SACRIFICIAL SHIELD WALL, REACTOR BUILDING '

FLOOR SLABS AND WALLS, AND THE TURBINE PEDESTAL (3) DRYWELL METAL SHELL i

(4) SUPPRESSION CHAMBER,-SUPPORTS, VENT LINES AND BELLOWS, VENT HEADERS AND DOWNCOMERS

(5) REACTOR VESSEL SUPPORT (6) CONTROL ROOM

! (7) CRD HOUSINGS AND GUIDE TUBES (8) SHROUD, SHROUD LEDGE, CORE SUPPORT PLATE, CORE TOP GUIDE, AND, JET PUMPS (9) EMERGENCY DIESEL GENERATORS (10) REACTOR RECIRCULATION LINES, PUMP AND VALVE BODIES (11) N0ZZLE SAFE ENDS, THERMAL SLEEVES (12) ECCS, MAIN STEAM AND FEEDWATER PIPING INSIDE PRIMARY-CONTAINMENT

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CRITICAL ELEMENT ASSESSMENT o ORIGINAL DESIGil BASIS, CRITERI A, CODES, E0 o IDEllTIFY, ASSESS ALL FEASIBLE DEGRADATION PARAMETERS o EVALUATE OPERATING RECORDS, HISTORY ISI, MAINTENANCE PAST REPAIRS, REPLACEMEllTS, IMPROVEMENTS o ASSESS RELEVANT TEST DATA o REVIEW DATA BASES, I1PRDS, C0fiPASS, OPEC-2 o IN-SITU INSPECTIONS, LIMITED TESTIt!G, SAMPL!l1G j l

o DETERMillE RATE OF DEGRADATION, LIFE USAGE o LIFE TREllDING Afl0 PROJECTION TO REACH LIMITS o IDEflTIFY LIFE LIMITING DEGRADATION PARANETER(S) o IDENTIFY / RECOMMEND ACTIONS PREVENTIVE MEASURES TESTING, fiONITORING, IllSPECTION ..

i DIAGNOSTICS RECORDS, DATA NEEDS R&D o ItilTI AL LIFE CYCLE AND PLEX ACTIVITY COSTS o REPORTS REVIEW BY NSP, EPRI, SANDIA, BWR-0G

PROGRAM RESULTS J ,

MAJOR C0tlCLUS10NS l

o RPV lilTERtlALS, STUB TUBES IS A MAJOR RISK o C0tlTROL ROOM CAPACITY, TECHNICAL OBSOLESCENCE o CONTAlllMENT PRESERVATION, CORROS10tl o C0tlCRETE PRESERVAT10tl, MAINTENANCE o HYDROTESTitlG ABOVE 212 F o STEAM LillE EROSION o THERtiAL SLEEVE / SAFE EllD REPLACEMEllTS o RECIRC PIPING L0tlG TERM PERFORMAllCE UllCERTAlti o EMERGEtiCY AC/DC CAPACITY LIMITATIONS I

TABLE 1 q CRITICAL COMPONENT LIFE ESTIHATES COMPONENT DEGRADATION ESTIHATED S UBCO HPONENT PARAMETER LIFE (YRS)

Reactor Vessel Beltline Embrittlement >90 Support Knuckle Thermal Fatigue 70 Head Bolting Cyclic Fatigue 65 Refuel Bellows Skirt Fatigue 60 CRD Stub Tube Weld IGSCC <40 CRD Housing Fatigue >200 Tube-Stub tube weld IGSCC 40-60 RPV internals IGSCC/IASCC <70 l Jet Pump Components IGSCC/ Vibration <40 l RPV Support Skirt Fatigue >100 Skirt Cylinder Corrosion >150 -

Vessel Safe Ends (SS) IGSCC <40 Safe Ends (CS) Fatigue 60-70 RCPB Piping Fatigue >70 l Corrosion / Erosion >80 Containment (Torus) Corrosion >70 ,

Bellows Fatigue 95  !

Vent System Fatigue 95 i Drywell Shell Corrosion >150 Fatigue 200 Recire. Sys. Piping IGSCC >25 (316 NG)

Pump / Valve Castings 475 *C Embrittlement <25 Control Center Capacity / Space 25-40 Diesel Generator Engine Wear >100 Generator Windings Wear / Fatigue <30 Concrete Structures Vibration, Fatigue >70 S hield ing Radiation <65

PILOT STUDY - LESSONS LEARNED o CRITICAL COMPONENT REVIEW COMPLETE ,

70-YEAR LIFE TECHNICALLY ACHIEVABLE i

i SOME ITEMS ARE NOT MAKING YEAR 40 KEY PREVENTIVE ACTIONS tlEEDED S00N IN-PLANT TEST RESULTS RECORDS MANAGEMEllT IS MAJOR PROBLEM ,

NO " BIG" SURPRISES l I

o PLEX COST BENEFITS ARE 4:1 TO 8:1 I o SIGNIFICAtlT GErlERIC WORK REMAINS o IMPROVED 0&M, ISI, DI AGNOSTICS ARE IMPORT ANT l I

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1986 1996 2006 2016 2006 2036 DATE (TEARS)

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MONTICELLO PLANT LIFE EXTENSION PROGRAM TOPICAL REPORT

SUMMARY

1 S UBJECT: REACTOR PRESSURE VESSEL KEY PARAMETERS O FATIGUE DUE TO THERMAL CYCLING O BELTLINE EMBRITTLEMENT j O CRD PENETRATION IGSCC LIMITING SUBCOMPONENTS EST. LIFE (YRS)

O SUPPORT SKIRT KNUCKLE 70 ,

O BOLTING 65 i

O REFUELING BELLOWS SKIRT 60

! O CRD STUB TUBES  ?

l RECOMMENDED ACTIVITIES (MAJOR)

O REFINE FATIGUE MARGIN & IMPROVE CYCLE COUNTING O BELTLINE VOLUMETRIC EXAMINATION R+D O INSPECT CRD PENETRATIONS O R+D HYDROTESTING ABOVE 212 F 0 LONG-TERM RT NDT M ROGRAM

e MONTICELLO PLANT LIFE EXTENSION PROGRAM TOPICAL REPORT

SUMMARY

SUBJECT:

CONTROL R00 DRIVES / HOUSINGS KEY PARAMETERS O IGSCC O FATIGUE O WEAR LIMITING SUBCOMPONENTS EST. LIFE (YRS)

O TUBE-STUB TUBE WELD ,

O CRD HOUSING (FATIGUE) 276 i O O

RECOMMENDED ACTIVITIES (MAJOR)

O IMPLEMENT HWC O CRD HOUSING INSPECTIONS (12 PER 5 YEARS)

O DEVELOP CRD HOUSING REPAIR PROGRAM O DEVELOP CRD STUB TUBE INSPECTION METHODS

-l Updated Probability of Crack initiation in the CRD Housing do 38' W!TH NORMAL l WATER CHEMISTRY 30-I t

'25-3 h sol 4

a 16-1o-WITH HYDROGEN WATER CHEttISTRY s-0 10 20 30 40 50 60 -70 Years of Operation Updated Probability 'of .CRD Housing Failure 20 to-

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MONTICELLO PLANT LIFE EXTENSION PROGRAM l

TOPICAL REPORT

SUMMARY

SUBJECT:

REACTOR VESSEL INTERNALS KEY PARAMETERS O IGSCC, IASCC O VIBRATION, FATIGUE l l

O EROSION LIMITING SUBCOMPONENTS EST. LIFE (YRS)

O SHRCUD SUPPORT CYLINDER ,

O BOTTOM BEAM (TOP GUIDE)

O BEAM-PLATE WELDS (CORE PLATE)

O RISER ELBOW WELD (JET PUMPS) i RECOMMENDED ACTIVITIES (MAJOR)

O HWC IMPLEMENTATION O 5-10 YEAR VT INSPECTIONS O DEVELOP UNDERWATER UT ROBOTS O STUDY, DEVELOP REPAIR TECHNIQUES l

SUMMARY

OF RPV INTERNALS l

LIFE PREDICTION ASSESSMENT i I

60 Year Probability Prediction j Crack Initiation (%) Repair / Replacement (%) ..

Component and Most '

Limiting Location W/0 HCW With HWC* W/0 HWC :With HWC*

Core Shroud l

Shroud to Core Support Cylinder . 64.2 26.0 22.1~ 5.5 ,

Attachment ~

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Top Guide  !

Instrument Slot on Botto: Beats 39.6 25.1 23.0 12.3 Core Plate f Beam to Plate Welds 37.4 13.3 13.2 3.5 i

Jet Pu=ps i

Riser Elbow to Ther=al Sleeve Weld and Riser Support Braces- 38.8 21.3- 18.1 8.0

  • Assumes HWC implementation in plant year 15 i

1 J

- i PREDICTED MONTICELLO SHROUD LIFE PREDICTED MONTICELLO CORE PLATE. LIFE l WOST Uu:TINO LOCATION WOST UU'ilNO LOOATION 100 100

,9 0 - 90-80 - 80 -

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, YEARS Cf PLANT OPERATION I a i a i i i 0 8 0 m flats OF PIMT OPERAfl0E O ! NIT!ATIS 4- UNSUITABLE FOR SERVICE O . !N!TIAT!CN WITH HWC a UNSUITABLE FOR SERVICE WITH Mht

I MONTICELLO PLANT LIFE EXTENSION PROGRAM i

TOPICAL REPORT

SUMMARY

l

SUBJECT:

REACTOR PRESSURE VESSEL SUPPORT KEY PARAMETERS O FATIGUE INDUCED DURING STARTUP/ SHUTDOWN i

1 l O GENERAL CORROSION I O

LIMITING SUBCOMPONENTS EST. LIFE (YRS)

O SKIRT EXTENSION (FATIGUE) 118 -

4 O SKIRT CYLINDER (CORROSION) 150 O

O RECOMMENDED ACTIVITIES (MAJOR)

O REANALYSIS OF SKIRT TO INTERACTIVELY MODEL W/ PEDESTAL O VISUAL INSPECTION OF SUPPORT INTERIOR O

O

1 MONTICELLO PLANT LIFE EXTENSION PROGRAM TOPICAL REPORT

SUMMARY

SUBJECT:

REACTOR PRESSURE VESSEL SAFE ENDS KEY PARAMETERS ,

(

l l O IGSCC l

! O FATIGUE DUE TO THERMAL CYCLING O MECHANICAL WEAR / BYPASS LEAKAGE LIMITING SUBCOMPONENTS EST. LIFE (YRS)

O STAINLESS STEEL SAFE ENDS (IGSCC) <40 -

O CARBON STEEL SAFE ENDS (FATIGUE) 60-70  ;

l O O

RECOMMENDED ACTIVITIES (MAJOR) l O INCREASE INSPECTION FREQUENCY  ;

O INSPECT FEEDWATER SPARGER/ THERMAL SLEEVE FIT O R+D IMPROVED WATER CHEMISTRY (COST / BENEFIT)

O CYCLE (TEMPERATURE) MONITORING

l MONTICELLO PLANT LIFE EXTENSION PROGRAM TOPICAL REPORT

SUMMARY

SUBJECT:

REACTOR COOLANT PRESSURE BOUNDARY PIPING l l

KEY PARAMETERS ,

I O FATIGUE I O CORROSION / EROSION O DYNAMIC EFFECTS LIMITING SUBCOMPONENTS EST. LIFE (YRS)

O RHR PIPING (FATIGUE) 47 O MS PIPING (FATIGUE) 70 )

O FW PIPING (FATIGUE) 70 0 PIPING (CORROSION) 81 l

RECOMMENDED ACTIVITIES (MAJOR)

O FRACTURE TOUGHNESS TESTING O VIBRATION MONITORING O TRANSIENT MONITORING O STEAM LINE EROSION MEASUREMENT I

- __ _ _ _ _1_;

MONTICELLO PLANT LIFE EXTENSION PROGRAM TOPICAL REPORT

SUMMARY

SUBJECT:

DRYi! ELL METAL SHELL KEY PARAMETERS O EXTERIOR SHELL CORROSION l

O LOCALIZED CORROSION (EMBEDDED REGION & SAND POCKET REGION)

O SHELL FATIGUE LIMITING SUBCOMPONENTS EST. LIFE (YRS)

O GENERAL SHELL (CCRROSION) 160 - 1 O SHELL FATIGUE 200 l

O LOCALIZED CORROSION UNKNOWN (PART OF FOLLON- ON O ACTIVITIES)

RECOMMENDED ACTIVITIES (MAJOR)

O SHELL THICKNESS MONITORING PROGRAM l O EXAMINATION OF EMBEDDED SHELL REGION A l

O BELLOWS EXAMINATION & FATIGUE EVALUATION O DOCUMENT MINIMUM SHELL THICKNESS VALUES l

A l

____-____- - D

i i

MONTICELLO PLANT LIFE EXTENSION PROGRAM i

TOPICAL REPORT

SUMMARY

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l i

SUBJECT:

SUPPRESSION CHAMBER AND VENT SYSTEM i

l l KEY PARAMETERS j i

O GENERAL ATMOSPHERIC CORROSION O THERMAL EXPANSION INDUCED FATIGUE DURING STARTUP/

SHUTDOWN O FATIGUE AT VENT HEADER /DOWNCOMER INTERSECTION l

LIMITING SUBCOMPONENTS EST. LIFE (YRS)

O VENT LINES / VENT!!EADER (CJRROSION) 76 -

i l

o VENT LINE BELLOWS (FATIGUE) 95 l

i l

l O VEf'T HEADER /DOWNCOMER INTERSECTION 95 i

RECOMMENDED ACTIVITIES (MAJOR)

O THICKNESS MEASUREMENT OF VENT LINE AND VENT HEADER .

O VISUAL INSPECTION OF VENT LINE BELLOWS O DEVELOPMENT OF INSPECTION PROGRAMS VENT LINE AND VENT HEADER INTERIORS AND EXTERIOR O EXPANSION OF INSPECTION PROG'AMS R FOR SUPPRESSION l CHAMBER INTERIOR AND EXTERIOR

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MONTJCELLO PLANT LIFE EXTENSION,P,ROGRAM If

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SUMMARY

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SUBJECT:

REACTCr?f RECIRCULATION LINES J,u a. --

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KEY PAR 3 METERS ,

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, l , o 4?IU C THEDMAL, EMBRITTLEMENT L EFFECTS ,

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i STRESS CORROSION CEACKING EFFr. CTS "

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O FATIGUF ,

, , e LIMITING SUBCOMPONENTS -

EST. LIFE (YRS)

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O RECIRC. PUMP CASINGS 20 -

1 O RECIRC. VALVE BODIES, , , 20 i O RECIRC. S'YS. PIPING Yl , >25

., 1 O RHR RETNN S.S., PIPING i >25 i'

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l l 1 i l i 1 RECOMMENDED ACTIVITIES (M/vJOR) >

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O EN:jANCED NDE OF CAST / WROUGHT WFLD INTERFACES 5

y (DEVELOPMENT AND PERFORMANCE)

O DEVELOPMENT OF LONG-TERM WELD OVE3 LAY METHOD i

O LONG-TERM HYDROGEN WATER. CHEMISTRY AND IHSI EFFECTS O PERFORMANCE OF ENHANCED UT AT END OF OPERATING LICENSE i

__-.___.-___-.n.----_---

MONTICELLO PLANT LIFE EXTENSION PROGRAM TOPICAL REPORT

SUMMARY

SUBJECT:

PLANT CONTROL CENTER ,

KEY PARAMETERS O PHYSICAL SPACE IN EXISTING STRUCTURES i

l O COMPONENT HARDWARE SPARE CAPACITY l

O GROWTH RATE OF 1E AND BOP SYSTEMS LIMITING SUBCOMPONENTS EST. LIFE (YRS) ]

O 1E SPACE-CONTROL ROOM AREAS (20-40 YRS) -

O PENETRATIONS, CABLE TRAYS IN CONTROL CENTER O POTENTIAL "GRANDFATHERING" ISSUES  !

l 1 l O STRUCTURAL LOADS IN CERTAIN FLOORS AND WALLS RECOMMENDED ACTIVITIES (MAJOR) l O INVENTORIES OF SPARE CAPACITY AND PHYSICAL SPACE O COMPREHENSIVE STRUCTURAL REANALYSES O BETTER CONFIGURATION CONTROL SYSTEM O TECHNOLOGY UPGRADES TO OVERCOME LIMITATIONS O RESOLVE "GRANDFATHERING" ISSUES O CONTROL OF SPACE UTILIZATION l

t

--._-_-____--__A

I MONTICELLO PLANT LIFE EXTENSION PROGRAM ,

TOPICAL REPORT

SUMMARY

SUBJECT:

EMERGENCY DIESEL GENERATORS KEY PARAMETERS O MAINTENANCE li O TESTING FREQUENCY O ENGINE MUST HAVE CONSTANT OIL CIRCULATION AND PRE-HEATING IN STANDBY MODE  ;

LIMITING SUBCOMPONENTS EST. LIFE (YRS)

O GENERATOR WINDINGS (WEAR) 20 -

O GENERATOR (OBSOLESCENCE) 60 O ENGINE (WEAR) 100 O

l j RECOMMENDED ACTIVITIES (MAJOR)

O STOCK SPARE GENERATOR O TEST PROGRAM REVIEW O MAINTENANCE INTERNAL REVIEW o GENERATOR WINDING INSPECTIONS l

l

MONTICELLO PLANT LIFE EXTENSION PROGRAM TOPICAL REPORT

SUMMARY

SUBJECT:

CRITICAL CONCF.TE STRUCTURES I

KEY PARAMETERS i

O EMBEDMENT/REBAR CORROSION I

O GENERIC DURABILITY (STRENGTH, SHRINKAGE, CRACKS, FATIGUE)

O VIBRATION, CHEMICAL SPILLS LIMITING SUBCOMPONENTS EST. LIFE (YRS) l 0 BIOLOGICAL SHIELD (RADIATION) 65

{

l O REACTOR BLDG. BASEMAT 65 O MG SET FLOOR SLAB (FATIGUE) 65 I O TURBINE PEDESTAL (VIBRATION) 65 RECOMMENDED ACTIVITIES (MAJOR) l l

O DEVELOPMENT OF MORE ACCURATE METHODS OF PREDICTING SERVICE LIFE O COMPILATION OF TESTING DOCUMENTATION AND SAMPLES O DEVELOPMENT OF REPAIR PROCEDURES FOR CONCRETE /REBAR O DEVELOPMENT OF ACCEPTANCE CRITERIA FOR CRACKS ,

POPOUTS, SPALLS, ETC.

1 l'

J The NSP Monticello Pilot Plant Study J 4

- 1983-84 NSP Management Determines that Life Extension Feasibility Study Should be Made for Nuclear Generating  ;

Plants

- 1984 NSP Requests Proposals from Engineering Consultants to Manage Nuclear Plant Life Extension Study

- Fall 1984 Multiple Dynamics in Conjunction with General Electric Company Selected for Life Extension Study

- Spring 1985 EPRI Co-Funding

- Spring 1985 DOE /Sandia Co-Funding

- Summer 1985 First EPHI/ DOE /NSP/ Virginia Power Workshop I in Detroit ,

- ASME Section XI Life Extension Working Group Activities

- IEEE Life Extension Working Group Activities 1

- Boiling Water Reactor Owners Group Life ExtensionL Committe Activities

- BWROG, Sandia/ DOE, EPRI, NSP PLEX Project Review Committee Activites

- February 1986 NSP Submits Applications for "40-Year" Operating Licenses for Monticello and Prairie Island i Nuclear Generating Plants l

- Summer 1986 PLEX Management Plan Development for l Follow-on Work Following Pilot Study l

- Spring 1987 i Anticipate Completion of Phase I of Monticello Pilot Life Extension Study. Issue of l EPHI/ DOE Project Report

- Early 1987 NSP to Initiate Phase I Life Extension Study for Prairie Island Nuclear Generating Plant i

u______._____.

i

. i 1

MULTIPLE DYNAMICS CORPORATION PROJECT INSTRUCTION l

1 D ATE ISSUED DOC. NO.

SUBJECT:

MONTICELLO PLANT LIFE June 1986 NSPE-11-2868 I EXTENSION PROGRAM 2 PAGE 3 REVISION:

l

2. OBJECTIVES The Life Extension Program consists of two sets of l objectives. The first set constitutes the overall generic utility objectives and the second set defines the l

f plant specific objectives.

( a) Generic Utility Objectives

. Extend plant life a fixed number of years

. Life extension must be based on cost / benefit ,

Assure that current licensed plant life obj ectives are met

. Improve overall plant availability

. Enhance and improve the cost-effectiveness of current preventive maintenance and inspection programs

. Develop the data base for licensing justification to amend the plant license

. Identification of early corrective actions

. Maximize generic program application

. Coordination of EWR/PWR and other life extension activities

. Prepare and issue a comprehensive BWR Life Extension Program work book

. Prepare and conduct a plant life extension workshop ' i to transfer technology to industry, EPRI, DOE and other interested parties

. Determine components , parameters , technolog ies and strateg ies that require further and future research, development and inv es tig at ion' l

l 1

---_- __-__-- - _ _ a

MULTIPLE DYNAMICS CORPORATION PROJECT INSTRUCTION D ATE ISSUED DOC. NO.

SUBJECT:

MONTICELLO PLANT LIFE June 1986 NSPE-11-2868 EXTENSION PROGRAM 2 PAGE 4 REVISION: 1 (b) Plant Specific Objectives

. Implementation of a workable life extension a program

. Identify life threatening components and ,

parameters

. Develop methods and procedures for life-long program updating and maintenance Provide recommendations and procedures for enhanced monitoring, surveillance, inspection and sampling / testing as required and appropriate

. Identify potential' improvements for life enhancement through operational changes, modifications

. Develop a comprehensive life extension strategy through application of the Plant Cycle Management Chat 'c

. Provide adequate plant personnel training in i

administration of the program Conduct a cost / benefit analysis for plant unique application at Monticello The end result of the Plant Life Extension Program for Monticello will demonstrate a feasible', cost-effective method for extending the useful life of the plant and

\

provide an adequate long-term data base to support i regulatory relicensing or license modification.

9

l l

MULTIPLE DYNAMICS CORPORATION l PROJECT INSTRUCTION l

D ATE ISSUED DOC. NO. l SUBJECT.

MONTICELLO PLANT LIFE June 1986 NSPE-11-2868  !

EXTENSION PROGRAM REVISION: 2 PAGE 5 q

3. ORGANIZATION l

The joint project team consists of personnel from NSP l and MDC. Overall project management is provided by NSP i

(D. Musolf). The project directors are Mr. L. Nolan for NSP and Mr. F. Gregor for MDC. The project team is ,

l u

! supported by individuals and organizations as shown on /

Fig ure 1.

MDC is under contract to NSP and will be responsible f o r-conducting the work scope as defined in Section 4, including technical direction, review and approval of the GE work scope activities which are Monticello plant specific. NSP will maintain commercial and Quality {

Assurance responsibilities for the GE contract. l Mr. D. Musolf (NSP) will maintain communications with l l

EPRI, Sandia (DOE), the BWR Owners Group, and the PWR l Life Ex tension Program (VEPCO). Mr. Musolf will al so coordinate purchase orders and contracts with NSP, monitor the NSP budget , and maintain NSP administrative functions.

l Mr. F. Gregor will direct MDC, GE and any other special consultant project activities including project planning, coordination of technical guidance, review and approval.

Mr. Gregor will also assist Mr. Musolf as required in maintaining communications and technical interchange with EPRI, Sandia (DOE), the BWROG, and with the PWR program. l l

MULTIPLE DYNAMICS CORPORATION PROJECT INSTRUCTION D ATE ISSUED DOC. NO.

SUBJECT:

MONTICELLO PLANT LIFE June 1986 NEPE-11-2868 EXTENSION PROGRAM 2

REVISION: PAGE 6 Mr. L. Nolan will coordinate , where necessary, NSP project activities including technical direction, review, approval, and assistance 'with plant records, surveil-lance, maintenance and testing activities as' required by the program.

Mr. D. Lehnert will coordinate, review and approve the' MDC project team activities including technical direction.

l To facilitate ready plant access for document / records retrieval, inspections and walkdowns as necessary, MDC will maintain a liaison office at the Monticello site.

Mr. L. Nolan (NSP) will coordinate the MDC liaison l

activities.

Proj ect Administration , including cost and schedule control, progress reporting and quality assurance will be maintained by MDC through Mr. M. Anton.

General Electric (GE) will contribute as a special consultant for the specific work scope described in Reference (13). q A contingency has been established for the use of other special consultants where certain expertise is desired _or necessary based on recommendations from MDC and approval by NSP. Such services may include metallurgical investig ations, special testing and ' analytical assistance.

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