ML050270202

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Sildes Re Extended Power Uprate - License Amendment Requests LAR 302 & 173
ML050270202
Person / Time
Site: Beaver Valley
Issue date: 12/15/2004
From:
FirstEnergy Nuclear Operating Co
To:
Office of Nuclear Reactor Regulation
References
Download: ML050270202 (50)
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Text

{{#Wiki_filter:Extended Power Uprate (EPU) License -BV-P Amendment Requests S Unit 1 - LAR 302 S Unit 2 - LAR 173 BVP FENOC res~rqV co Beaver Valley Power Station Units 1 &2 1 2-15^04 Slide 1

IA GENDA

  • Overview

Background

EPU Technical Process Licensing Basis Changes

  • Impact on Plant Plant Modifications Staged Power Increase
  • Submittal Submittal Structure and Completeness Technical Specification Changes
  • Schedule
  • Summary FENOC Beaver Valley Power Station LInits 1&2 12-15-04 Slide 2

BA CKGROUND BVPS Full Potential Program

  • Atmospheric Containment Conversion
  • BELOCA
  • Extended Power Uprate
  • Replace Steam Generators and Reactor Vessel Head
  • License Renewal
  • Improved Standard Technical Specifications FENOC Beaver Valley Power Station Units 1&2 12-15-04 Slide 3 F~iE~r Beave Valle PoeCttoaUis1&m2-50 ld

BAACKGROUND (Continued)

  • Both units originally licensed to 2652 MWt
  • Uprated by 1.4% to 2689 MWt (October 2001)
  • Extended Power Uprate to 2900 MWt (Additional 8%)

BVPS Unit 1 with Model 54F Replacement Steam Generators (RSG) BVPS Unit 2 with Original Steam Generators (OSG) FENOC Beaver Valley Power Station Units 1&2 12-15-04 Slide 4

BA CKGROUND (Continued) Key Elements - Atmospheric Containment Conversion

  • Stand-alone submittal
  • Analyses performed at EPU conditions

- BELOCA

  • License methodology for BVPS
  • Results presented include containment conversion and EPU

- Extended Power Uprate

  • Containment Qualified in Containment Conversion submittal
  • LOCA analysis performed using BELOCA methodology FENOC Beaver Valley Power Station Units 1&2 12-15-04 Slide 5 tE~.qyM Adodds c

BAACKGROUND (Continued) To Position BVPS Units for EPU: Submittals Completed NRC Review -New Fuel Storage Rack Enrichment Limit Increase Amendments 1-204 /2-135 oPositive Moderator Temperature Coefficient Amendments 1-251 /2-129 -Accumulator and RWST Increased Boron Concentration Amendments 1-242 /2-125 ,Selective implementation of AST Amendments 1-241 /2-121 and 1-257 /2-139 oMinimum Decay Time Before Fuel Movement Amendments 1-247 /2-126 Containment Conversion LARs 1-317 /2-190 submitted 6/04 Large Break Best Estimate Loss-of-Coolant Accident (BELOCA) Methodology LARs 1-318 /2-191 submitted 10/04 Extended Power Uprate (EPU) with RSG (Unit 1) and Full Implementation of AST LARs 1-302 /2-173 submitted 10/04 I, FENOC rF b ~ C~ N u c. W Qr s pr h, Q c a m_ ~ Beaver Valley Power Station Units 1 &2 12-15-04 Slide 6

EPU TECHNICAL PROCESS

  • Identify Changes Due to Uprating the Core Power by an Additional 8%
  • Technically Review for Impact

- Safety and Transient Analyses - Systems, Structures and Components - Programs - Procedures FENOC Beaver Valley Power Station Units 1 &2 row ~>s* co 12-15-04 Slide 7

EPU TECHNICAL PROCESS (Continued)

  • General Criteria

- Follow current licensing bases unless specifically identified - No new BVPS analytical methodologies unless specifically identified - No new industry (unlicensed) - Consistent with other power l FENOC Beaver Valley Power Station U methodologies iprates Knits 1&2 12-15-04 Slide 8

EPU TECHNICAL PROCESS (Continued)

  • Based on Review:

- Update Safety Analyses - Update Licensing and Design Basis Calculations - Evaluate Impact on Operation - Implement Necessary Plant Modifications - Implement Documents for Configuration Control - Implement Procedures FENOC Beaver Valley Power Station Units 1&2 12-15-04 Slide 9 Beaver Valley Powe SainUis&21-50 Sld9

EPU TECHNICAL PROCESS (Continued) Inputs and Information Control Westinghouse r S&w I FENlt Siemens Westinghouse Others FENOC Beaver Valley Power Station Units 1&2 12-15-04 Slide 10

EPU TECHNICAL PROCESS (Continued)

  • Westinghouse NSSS Systems and Components Fuel/Core Design

- Safety Analyses - Transient Analyses

  • S&w BOP (Balance of Plant) Systems Radiological Analyses and AST Piping Programs Environmental Assessment FENOC Beaver Valley Power Station Units 1 &2 12-15-04 Slide 1 1

EPU TECHNICAL PROCESS (Continued)

  • Siemens Westinghouse

- Turbine, Generator and Auxiliaries

  • Others MSRs (Moisture Separator Reheaters)

- Grid Stability FAC (Flow Accelerated Corrosion)

  • FENOC

- Consistency of Inputs - Consistency with Plant Conditions and Configuration Proper Interfacing of Information FENOC Beaver Valley Power Station Units 1 &2 12-15-04 Slide 12

LICENSING BASIS CHANGES Licensing Basis changes include:

1. Safety Analysis based on 2900 MWt
2. Full implementation of the Alternative Source Term methodology of Regulatory Guide 1.183 Selective implementation previously approved in Amendments 1-241/2-121 and 1-257/2-139 e

First time BVPS application of VIPRE and WRB-2M

  • First time BVPS application of the BELOCA Methodology

_FENOC Beaver Valley Power Station Units 1 &2 12-15-04 Slide 13

IMPACT ON PLANT

  • Higher reactor core power level
  • Higher secondary flow rates
  • Higher generator output
  • Higher heat load on condenser and cooling towers EvOC Beaver Valley Power Station Units 1 &2 12-15-04 Slide 14

PLANT MODIFICA TIONS Safety Related Plant Modifications Replacement of charging/safety injection pump rotating assemblies Conversion from a sub-atmospheric to an atmospheric containment design Installation of fast acting feedwater isolation valves (Unit 1 only) Installation of auxiliary feedwater cavitating venturies (Unit 1 only) Addition of reactor cavity drainage port Elimination of Quench Spray Cutback (Unit 1 only) Replacement of Steam Generators (Unit 1 only) FENOC Beaver Valley Power Station Units 1 &2 12-15-04 Slide 15

PLANT MODIFICA TIONS (Continued) Unit 1 Replacement Steam Generators Changes

  • Expanded narrow range level span
  • New tube material - no alternate repair criteria (thermally treated Alloy 690)
  • Reduced moisture carry-over (less than 0.1%)
  • Steam outlet nozzle venturi (limits break flow and internal loads)
  • Increased primary side volume/mass
  • Decreased secondary side volume/mass
  • Reduction in accumulated outage dose FENOC Beaver Valley Power Station Units 1&2 12-15-04 Slide 16

PLANT MODIFICA TIONS (Continued) Balance of Plant Modifications Replace high pressure turbine with all-reaction design Increase capacity of main transformer coolers (Unit 2 only) Install stakes in main condenser (Unit 2 only) Modify cooling tower fill (Unit 2 only) Raise set-pressure of moisture separator reheater relief valves Increase Cv of main feedwater control valves Increase flow capacity of some heater drain control valves Remove orifices to increase flow to generator hydrogen coolers (Unit 2 only) Instrument replacements for higher flow range FENOC Beaver Valley Power Station Units 1 &2 12-15-04 Slide 17 F 12-15-04o Slid 1

STAGED POWER INCREASE Overview

  • Power uprate (increase above currently licensed power) will be limited by balance of plant (BOP). As BOP modifications are completed, power level will be increased
  • Operating Power Level

- Limited by License and Technical Specification - Controlled by Licensing Requirements Manual (LRM) within limit FENOC Beaver Valley Power Station Units 1&2 12-15-04 Slide 18

POWER LEVEL LIMITS Staged Power Increase

  • License: 2900 MWt
  • Technical Specification 1.3 RATED THERMAL POWER shall be a total reactor core heat transfer rate to the reactor coolant as specified in the Licensing Requirements Manual, and shall not exceed 2900 MWt 4 All safety related plant modifications will be completed prior to amendment implementation
  • Licensing Requirements Manual 1.0.1.a RATED THERMAL POWER - The value of RATED THERMAL POWER, as per Technical Specification Definition 1.3, is 2689 MWt

_FENOC Beaver Valley Power Station Units 1 &2 12-15-04 Slide 19

Extended Power Uprate (EPU) Questions FENOC =FS*WgvM p Beaver Valley Power Station Units 1 &2 12-15-04 Slide 20

SUBMI7TAL STRUCTURE FENOC Letter No. L-04-125, Dated 10/4/04 o Enclosure 1 Description, Background and Technical Analysis No Significant Hazards Analysis Environmental Consideration - Technical Specification, Bases and Licensing Requirements Manual (LRM) Markups Commitments FENOC Beaver Valley Power Station Units 1 &2 12-15-04 Slide 21 r 12-1-04Slie2

SUBMI7TTAL STRUCURE (Continued)

  • Enclosure 2 - EPU Licensing Report
  • Section 1 -
  • Section 2 -
  • Section 3 -
  • Section 4 -
  • Section 5 -
  • Section 6 -
  • Section 7 -

FENOC A_ Introduction NSSS Analysis NSSS Systems NSSS Components Safety Analyses Fuel Analysis Containment Analysis Beaver Valley Power Station Units 1&2 12-15-04 Slide 22

SUBMI 7TAL STRUCTURE (Continued)

  • Enclosure 2 (Continued)
  • Section 8 - BOP Analyses
  • Section 9 - Plant Systems
  • Section 10 -
  • Section 11
  • Section 12 -
  • Section 13 -

FENOC Generic Programs Environmental Financial Assurance Testing Beaver Valley Power Station Units 1&2 12-15-04 Slide 23

SUBMIITTAL STRUCTURE (Continued)

  • Enclosure 3 Cross References RS-001 Template SER Section to EPU Licensing Report Section BVPS Commitment Summary to SRPs Referenced in RS-001
  • Enclosure 4 WCAP-16307-P EPU Licensing Report Proprietary Information FENOC Beaver Valley Power Station Units 1&2 12-15-04 Slide 24 Fib1

SUBMI7TTAL STRUCTURE (Continued)

  • Enclosure 5

- WCAP-13483-P (Rev. 2) Series 51 Steam Generator Sleeving Report - Laser Welded Sleeves (Unit 2 only)

  • Enclosure 6 Proprietary Information Affidavits FENOC Beaver Vallev Power Station Units 1 &2 12-15-04 Slide 2!5 Fi-,JE lMWUWf >skil

-I J

SUBMI7TAL ETENESS

  • Licensing Report (Enclosure 2)

- Information is organized based on previous precedent for power uprate licensing reports, reflecting a thorough plant evaluation - Report was initially written before RS-001 (draft) was available

  • RS-OO1 was reviewed for 'topics" to address

- Licensing Report was revised to include any topics addressed in RS-001 that were not already addressed - Licensing Report sections were cross-referenced to RS-OO1 sections (Enclosure 3) FENOC Beaver Valley Power Station Units 1 &2 12-15-04 Slide 26

SUBMI TAL COMPLETENESS (Continued)

  • NRC RAIs for other power uprates were reviewed and information included so that appropriate information is being presented
  • Due to uniqueness/plant specific nature of RAI issues for each plant, all details requested in RAIs may not be included FENOC Beaver Valley Power Station Units 1 &2 12-15-04 Slide 27 Fo bf-SM g

C M

NRC REVIEWER AID

  • Enclosure 3 (of submittal)

- RS-001 review matrices are cross-referenced to Licensing Report sections - Lists compliance to each SRP and in RS-001 RG referenced

  • Reviewer Aid CD

- UFSAR for both units - Original SER for both units

  • UFSAR cross-reference file

- RS-001 topics are cross-referenced to sections FENOC Beaver Valley Power Station Units 1&2 FroEvvM,~t.w C B vl w C cw -1; UFSAR 12-15-04 Slide 28

DESCRIPTION OF CHANGE Types of Technical Specification changes:

  • Extended Power Uprate (EPU) changes
  • Non-EPU changes
  • Administrative changes FENOC Beaver Valley Power Station Units 1 &2 12-15-04 Slide29 F:E2-1-0 Slid 29i GSI

DESCRIPTION OF CHANGE (Continued) I EPU Technical Specification changes include:

1. Increasing the Maximurn Power Level specified in each units' license
2. Revising the value of Rated Thermal Power (RTP)
3. Adding RTP definition to License Requirements Manual (LRM)
4. Revising fuel assembly specific Departure from Nucleate Boiling Ratios (DNBR) and correlations FENOC Beaver Valley Power Station Units 1 &2 12-15-04 Slide 30

DESCRIPTION OF CHANGE (Continued)

I EPU Technical Specification changes include:
5. Raising the maximum temperature of the refueling water storage tank
6. Modifying Overtemperature AT and Overpower AT equations (Unit 1only)
7. Revising the Steam Generator water level low-low and high-high trip setpoints (Unit 1 only)

FENOC Beaver Valley Power Station Units 1 &2 12-15-04 Slide 31

DESCRIPTION OFCHANGE (Continued) EPU Technical Specification changes include:

  • Revising the required Steam Generator secondary side level in Modes 4 and 5 (Unit 1 only)
  • Relaxing the positive tolerance setting for the pressurizer safety valves
  • Revising the Steam Generator Technical Specification (low-low level) to reflect the replacement Steam Generators (Unit 1 only)

FENOC Beaver Valley Power Station Units 1&2 12-15-04 Slide 32

DESCRIPTION OF CHANGE (Continued) M --- EPU Technical Specification changes include:

  • Revising the Steam Generator Technical Specification tube sleeve reference and TIG welded Steam Generator sleeve repair limit (Remove for Unit 1, Revise for Unit 2 only)
  • Revising the specific activity of the primary coolant system (Unit 1 only)
  • Increasing the operating band for accumulator water volume and nitrogen pressure FENOC Beaver Valley Power Station Units 1&2 12-15-04 Slide 33 rs~scowsh

DESCRIPTION OFCHANGE (Continued) EPU Technical Specification changes include:

  • Revising the required charging pump discharge pressure for reactor coolant pump seal injection flow
  • Relaxing the positive tolerance setting for the main steam safety valves (all but the lowest MSSV)
  • Changing the allowable power limits associated with inoperable main steam safety valves FENOC Beaver Valley Power Station Units 1 &2 12-15-04 Slide 34 F

12-15-04o Slide 34

DESCRIPTION OF CHANGE (Continued) EPU Technical Specification changes include:

9. Revising the primary plant demineralized water storage tank volume requirement
10. Revising the specific activity ofthe secondary coolant system (Unit 1 only) 11.Adding WCAP-14565, VIPRE, and WCAP 15025, WRB-2M, to Technical Specification 6.9.5 12 Full implementation of Alternative Source FENOC Beaver Valley Power Station Units 1&2 Terms 12-15-04 Slide 35

DESCRIPTION OFCHANGE (Continued) Not directly EPU related include:

1. Deleting the Power Range, Neutron Flux High Negative Rate trip
2. Adding a footnote to Table 3.3-3, Engineered Safety Features Actuation System Instrumentation, concerning time constants for steamline pressure low (Unit 1 only)

TENOC Beaver Valley Power Station Units 1 &2 12-15-04 Slide 36 FhE1NrlE od o

DESCRIPTION OF CHANGE (Continued) Not directly EPU related include: Removing the Boron Injection Tank boron concentration Technical Specification (Unit 1 only)

  • Renaming of Boron Injection Tank flow path Technical Specification (Unit 1 only)

FENOC .I Beaver Valley Power Station Units 1&2 12-15-04 Slide 37

DESCRIPTION OF CHANGE (Continued) Administrative changes include:

1. Removing the amendment number from the operating license for each unit
2. Correcting an inconsistency regarding a referenced permissive, P-9 instead of P-7 (Unit 1 only)

FENO C Beaver Valley Power Station Units 1 &2 12-15-04 Slide 38

SUPPORTING DOCUMENTA TION

  • EPU Changes

-Licensing Report (Enclosure 2) and WCAP-16307-P, "Beaver Valley Units 1 and 2 Extended Power Uprate Licensing Report Supplemental Information," September 2004 (Enclosure 4)

  • Unit 2 Steam Generator Repair

-WCAP-13483-P Revision 2, "Beaver Valley Units 1 and 2 Series 51 Steam Generator Sleeving Report - Laser Welded Sleeves," October 2002 (Enclosure 3) FENOC Beaver Valley Power Station Units 1 &2 12-15-04 Slide 39

SUPPORTING DOCUMENTA TION (Continued)

  • Deletion of Negative Rate Trip WCAP-11394-P-A, "Methodology for the Analysis of the Dropped Rod Event," January 1990
  • Use of VIPRE WCAP-14565-P-A, "'VIPRE-01 Modeling and Qualification for Pressurized Water Reactor Non-LOCA Thermal-Hydraulic Safety Analysis," October 1999
  • Use of WRB-2M WCAP-15025-P-A, "Modified WRB-2 Correlation, WRB-2M, for Predicting Critical Heat Flux in 17xI7 Rod Bundles with Modified LPD Mixing Vane Grids, April 1999 FENOC Beaver Valley Power Station Units 1 &2 12-15-04 Slide 40

BENEFICIAL IMPACT

  • Uniform and updated safety analyses
  • Increased operating bands Reactor Coolant System T-avg.

Feedwater Temperature RWST temperature - Accumulator volume and pressure

  • Increased operating margin Increased positive tolerance for pressurizer and main steam safety valves FENOC Beaver Valley Power Station Units 1&2 12-15-04 Slide 41

BENEFICIAL IMPACT (Continued)

  • Removal of an unnecessary trip Power Range, Neutron Flux High Negative Rate Trip
  • Removal of a Technical Specification (Unit 1 only)

- 3.5.4. 1. 1, "Boron Injection Tank 2 3500F"

  • Increased consistency between the units' Technical Specifications FENOC Beaver Valley Power Station Units 1&2 12-15-04 Slide 42

Extended Power Uprate (EPU) Questions FENOC ramAvw oenca Beaver Valley Power Station Units 1 &2 12-15-04 Slide 43

CONTAINMENT METAL MASS M

  • Issue

- During data development for the containment analyses, different values for heat sink metal mass and surface area were derived than were used in the analysis of record for the units.

  • Status relative to EPU Review has confirmed that the new detailed and correct.

- Design Analyses have been revised 50.46 report submitted. FENOC Beaver Valley Power Station Units 1&2 row ~c- ,4-co data is more and an annual 12-15-04 Slide 44

TESTING

  • Post-mod functional and operational testing
  • Power ascension testing

- Sequence procedure used for control and coordination - Data taken at 95% and 100% of current power level - Data taken at 2.5% increases above current power - Senior management review all anomalies - Test reports within 6-months FENOC Beaver Valley Power Station Units 1&2 12-15-04 Slide 45 F ~~ Beave Vale PoeGttooUis 21-1-4Sie4

TESTING (Continued) Testing under staged implementation

  • Testing program will be used when ascending in power beyond previous power level
  • Testing will be performed for incremental power increases, as outlined in test plan.
  • Final test report will include all testing FENOC Beaver Valley Power Station Units 1 &2 12-15-04 Slide 46

SCHEDULE

  • EPU submittal dependency

- EPU relies on containment analysis methodology and mods submitted in Containment Conversion LAR - EPU relies on large break LOCA methodology included in BELOCA LAR

  • Required Amendment ic

- Containment Conversion - BELOCA - EPU FENOC Beaver Valley Power -;suance sequence r Station Units 1&2 12-15-04 Slide 47

SCHEDULE (Continued)

  • Amendment implementation

- Due to the interdependencies, FENOC intends to implement all 3 amendments during 2006 outages, including Unit 1 Replacement Steam Generators

  • Unit 1 - 1R17 (first quarter 2006)
  • Unit 2 - 2R12 (fourth quarter 2006)
  • Technical Specification changes for Unit 1 SG replacement are included in EPU LAR
  • Request issuance of amendments

- Containment Conversion by June 2005 - BELOCA & EPU by November 2005 FENOC / D t I i 1-4

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SUMMAR Y

  • Complete and detailed EPU submittal
  • Includes Unit 1 Replacement Steam Generator scheduled for 2006
  • FENOC staff is available to support NRC's timely and thorough review of the EPU submittal FENOC Beaver Valley Power Station Units 1 &2 12-15-04 Slide 49
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Extended Power Uprate (EPU) Questions? Break-out Sessions FENOC 'fW Q= =MIh Beaver Valley Power Station Units 1&2 12-15-04 Slide 50}}

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