ML13175A311

Slide - June 11, 2013 Public Meeting

ML13175A311
Person / Time
Site:	Watts Bar
Issue date:	06/11/2013
From:	Tennessee Valley Authority
To:	Justin Poole Plant Licensing Branch II
Poole J NRR/DORL/LPL2-2
References
Download: ML13175A311 (40)

Text

Watts Bar Nuclear Plant - Unit 2 Public Meeting June 11, 2013

O i R Opening Remarks k Raymond Hruby, General Manager, Technical Services TVA Nuclear Construction 2

Agenda Raymond Hruby Opening Remarks/Agenda................. General Manager, Technical Services ....................... 2-3 Raymond Hruby Construction Completion Status Update............ General Manager, Technical Services ....................... 4 Chris Church Dual Unit Operation.............................................. Vice President, Watts Bar Unit 2 Startup.................... 12 Special Topics Startup Testing.................................................... Nick Welch, WBN U2 Startup Manager...................... 17 Fukushima........................................................... Bob Williams, WBN U2 Project Manager.................... 23 Inspection Planning & Scheduling (IPS) Status.. Status Gordon Arent Arent, Senior Licensing Manager, Manager WBN U2 U2... 31 Waste Confidence.............................................. Gordon Arent, Senior Licensing Manager, WBN U2... 35 Emergent Regulation.......................................... Gordon Arent, Senior Licensing Manager, WBN U2... 37 Raymond Hruby Closing Remarks.................. General Manager, Technical Services ....................... 39 Questions............................................................... 40 Ray Hruby TVA Nuclear TVA Nuclear Construction 33 Construction

C t ti Completion Construction C l ti Status St t Update U d t Raymond Hruby, General Manager, Technical Services TVA TVANuclear NuclearConstruction Construction 44

Watts Bar Unit 2 Estimate to Complete p

• TVA Board authorized completion of the Watts Bar 2 Project in accordance with the revised Estimate to Complete (ETC) on April 26, 2012

• The ETC developed a range for project completion between September 2014 and June 2016 Probable completion date December 2015 A construction permit extension request was submitted on May 17, 2012

• Project leadership has confidence in the revised ETC

• Though several project risks and opportunities remain, they are manageable Ray RayHruby Hruby TVA Nuclear TVA Nuclear Construction 55 Construction

Watts Bar Unit 2 Construction - Summaryy

• Project Completion Activities are Tracking Consistent with the ETC

• Safety 20 Million Man-Hours without Lost Time Incident Fiscal Year to Date Recordable Injury Rate (RIR) 0.19 Safety Safet Conscience Work EnEnvironment ironment

• Quality Project j Quality y >97%

• Cost & Schedule Cost and Schedule Adherence are Meeting Expectations Ray RayHruby Hruby TVA Nuclear TVA Nuclear Construction 66 Construction

Watts Bar Unit 2 Construction - Summaryy

• Accomplishments TTransitioning iti i ffrom B Bulk lk C Construction t ti tto S System t Turnover T for f Start-up St t Testing Released 1st System y to Testing g since revised Estimate to Complete p ((ETC))

Stamped 1st ASME System (Service Air)

Ray RayHruby Hruby TVA Nuclear TVA Nuclear Construction 77 Construction

Watts Bar Unit 2 Construction - Project j Qualityy Overall Acceptance Rate (%) of QC Inspections February 2012 through April 2013 100%

95%

90%

85%

80%

75%

70%

65%

60%

55%

50%

Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr Total 96.6% 98.0% 97.8% 98.2% 98.3% 97.8% 97.8% 97.0% 96.9% 96.8% 97.4% 96.8% 96.8% 96.4% 97.3%

Ray RayHruby Hruby TVA Nuclear TVA Nuclear Construction 88 Construction

Watts Bar Unit 2 Construction - Completion p Status Ray RayHruby Hruby TVA Nuclear TVA Nuclear Construction 99 Construction

Licensing Path Forward

• Schedule to Completion Safety Evaluation Report (SER) - 99% Complete

• Supplemental SER Open Items Final Environmental Statement - June 2013 Closure of Regulatory Commitments Regional Inspections ACRS Full Committee Meeting - Fall of 2013 ASLB Hearing H i - Commence C JJanuary - February F b 2014 Ray RayHruby Hruby TVA TVANuclear Construction Nuclear Construction 10 10

Licensing Path Forward Ray RayHruby Hruby TVA TVANuclear Construction Nuclear Construction 11 11

D l Unit Dual U it Operation O ti Chris Church, Vice President, Watts Bar Unit 2 Startup TVA TVANuclear TVA Nuclear Nuclear Construction Construction 12 Construction 12 12

Dual Unit Operation - Roles and Responsibilities

• WBN Site Vice President General responsibility for the WBN site, the safe operation of Unit 1, facilitation of the construction project with reasonable controls to protect Unit 1 operation, and ensuring the plant operating organizations transition for 2 unit operations

• Nuclear Construction U2 General Managers Responsible for the design engineering, construction completion, preoperational testing, system and area completions and turnover, and licensing of Unit 2

• Unit 2 Startup Vice President Responsible for the evaluation, scoping, and planning of all actions required to establish the programs and processes and transition the WBN organizations for two unit operations. Also responsible for ensuring turnover review processes deliver quality systems and areas upon completion of construction and testing, and for establishing the power ascension testing program Chris ChrisChurch Church TVA TVANuclear Construction Nuclear Construction 13 13

Dual Unit Operation - Readiness Team

• Governance and coordination role:

- Prepare organizational transition plans

- Provide operational readiness self assessment oversight

- Ensure every process, program, and procedure has owner and schedule for completion that supports the project schedule

- Coordinate and oversee system and area turnover

- Coordinate resolution of issues/items where the objectives j of U1 operations p

and U2 completions appear to conflict Chris ChrisChurch Church TVA TVANuclear Construction Nuclear Construction 14 14

Dual Unit Operation - Readiness Team

• Ensure WBNs transition from safe, reliable single unit operation to safe, reliable dual-unit operation Ensure operational excellence achieved in transition of WBN2 from Nuclear Construction (NC) to Nuclear Power Group (NPG) and other deliverables conducted in q quality y manner to ensure safe,, reliable dual unit operations Minimize, control, document, and effectively train on any WBN1 - WBN2 operational differences Successfully support INPO Readiness Review and NRC Operational Readiness Assessment Team ((ORAT)) inspections Safely conduct initial fuel load and operational testing necessary to achieve dual-unit commercial operations Chris ChrisChurch Church TVA TVANuclear Construction Nuclear Construction 15 15

Dual Unit Operation - Transition Status

• Dual Unit Operations:

p Department specific p transition p plans completed p

Implementing transition plan actions Site and corporate transition plans in development (July 2013)

Performing current round of self assessments (July 2013)

Transition Assessments Inspections Plans

• Major Inspections (inspection dates tentative):

Test strategy and plan complete TVA plant readiness assessment (May 2014)

INPO readiness review (June 2014)

NRC operational readiness assessment (August 2014)

Chris ChrisChurch Church TVA TVANuclear Construction Nuclear Construction 16 16

S i l Topic Special T i - Startup St t Testing T ti Nick Welch, Startup Manager, Watts Bar Unit 2 TVANuclear TVA TVA NuclearConstruction Nuclear Construction 17 Construction 17 17

Special Topic - Startup Testing Overview

• All testing/flushing will be performed by Startup test group under Nuclear Construction.

• Component level testing (Circuit checks, valve strokes, motor runs, calibration)

Current count is 8618 component tests, 37.9% complete

• System flushing Total number of Clean Plans 68, currently have 1 completed.

• Preoperational Test and Acceptance Test Performance 87 of 121 procedures approved, Performances of 2 Acceptance Test Procedures completed.

Overall procedure generation is 71.9% complete

• 39 of 87 systems turned over to startup

• 4 system turnovers completed to Nuclear Power Group.

Nick NickWelch Welch TVA TVANuclear Construction Nuclear Construction 18 18

Special Topic - Startup Testing Focus

• Preparations are in progress to start testing systems required to support Open Vessel Testing (OVT).

• Near term OVT system turnovers to startup by the end of June are:

System - 67 Essential Raw Cooling Water System - 70 Component Cooling Water

• Challenged by Unit 1/Unit 2 interface system testing on Systems 67 and 70 Nick NickWelch Welch TVA TVANuclear Construction Nuclear Construction 19 19

Special Topic - Startup Testing - Region II Interface

• Primary Systems for Inspection Identified

• Activities A ti iti scheduled h d l d tto notify tif iinspector t off system t milestones il t

• Sending periodic reports to inspector

• Working on procedure developmental and submittal to NRC well in advance of the 60 day requirement Nick NickWelch Welch TVA TVANuclear Construction Nuclear Construction 20 20

Special Topic - Startup Testing MAJOR MILESTONES TO SUPPORT OPEN VESSEL TESTING AND APRIL 2015 FUEL LOAD Nick NickWelch Welch TVA TVANuclear Construction Nuclear Construction 21 21

Special Topic - Startup Testing Nick NickWelch Welch TVA TVANuclear Construction Nuclear Construction 22 22

S i l Topic Special T i - Fukushima F k hi Bob Williams, Fukushima Project Manager, Watts Bar Unit 2 TVA TVANuclear TVANuclear Nuclear Construction Construction 23 Construction 23 23

Special Topic - Fukushima

• Imposes new requirements for:

- Flood

- Mitigation of Beyond Design Basis Events (FLEX)

- Seismic

- Spent Fuel Pool Level Instrumentation Bob BobWilliams Williams TVA TVANuclear Construction Nuclear Construction 24 24

Special Topic - Fukushima

• The NRC order pushed WBN2 to the front of the TVA fleet and the industry to be in compliance

• Due to wide diversity of requirements and multiple site impacts, we assembled a multi-organizational team to scope and manage the work

- Nuclear Construction

- Nuclear Power Group

- River Operations and Renewables

- Fossil Construction Group Bob BobWilliams Williams TVA TVANuclear Construction Nuclear Construction 25 25

Special Topic - Fukushima

• Flood Issues

- New Hydrology/Flood Hazard Study

- Dam Stability Issues - Cherokee & Douglas

- Temporary Flood Barriers at Four Dams

- Analysis A l i off 18 U Upstream t D Dams Bob BobWilliams Williams TVA TVANuclear Construction Nuclear Construction 26 26

Special Topic - Fukushima

• Beyond Design Basis Events

- FLEX Equipment Storage Building

- Portable (FLEX) Equipment

- 225 KVA Diesel Generators

- Extended Loss of All (AC) Power

- Replacement for Condensate Storage Tank Bob BobWilliams Williams TVA TVANuclear Construction Nuclear Construction 27 27

Special Topic - Fukushima

• Seismic

- Ground Motion Responses Spectrum from EPRI

- Advanced Ground Motion Response Spectrum

- Seismic Probabilistic Risk Assessment (SPRA) required for high risk plants

- Enhanced Unit 2 seismic individual plant examination of external events (IPEEE)

Bob BobWilliams Williams TVA TVANuclear Construction Nuclear Construction 28 28

Special Topics - Fukushima

• Milestones

- NRC Issues Orders and 50.54 (f) letter - Complete

- Initial TVA Response with Answer to Orders - Complete

- NRC Issue of Interim Guidance - Complete

- Status Reports for orders - Complete

- Submit results of Seismic and Flooding Walk Walk-downs downs - Complete

- Submit plans for mitigating strategies - Complete

- Unit 1 Cycle 12 Outage Designs - 06/27/13

- Completion of known Fukushima hydrology work - June 2014

- Fukushima Compliance (both units) - Summer 2014 Bob BobWilliams Williams TVA TVANuclear Construction Nuclear Construction 29 29

Special Topics - Fukushima

• Risks

- Evolving Regulatory Requirements and Guidance

- Results of new hydrology studies on dams

- Potential Impact of new ne seismic criteria

- Majority of Unit 2 work is on systems shared with Unit 1 - accessibility and schedule

- Watts Bar 2 will be first in industry to address Fukushima - regulatory uncertainty

- Impacts on procedures and training Bob BobWilliams Williams TVA TVANuclear Construction Nuclear Construction 30 30

Special Topic - Inspection Planning &

Scheduling (IPS) Status Gordon Arent, Senior Licensing Manager, Watts Bar Unit 2 TVA TVANuclear TVANuclear Nuclear Construction Construction 31 Construction 31 31

Special Topic - Inspection Planning and Scheduling (IP&S)

• Validation of IP&S Final Package Closure Complete

- Closure Tied to System Turnover to Operations

- Closure Activities Logic Tied to Precursor Work Activities in Project Schedule

• Aids Inspectors p Ability y to Track Field Implementation p

• Informs When Closure is Anticipated

• Identifies When Partial Closure Package is Required

• Region II Inspection Initiatives Central Focus on IP&S Management Definition of Requirements for Closure Gordon GordonArent Arent TVA TVANuclear Construction Nuclear Construction 32 32

Special Topic - IPS Status Gordon GordonArent Arent TVA TVANuclear Construction Nuclear Construction 33 33

Special Topic - IPS Status Gordon GordonArent Arent TVA TVANuclear Construction Nuclear Construction 34 34

S i l Topic Special T i - Waste W t Confidence C fid Gordon Arent, Senior Licensing Manager, Watts Bar Unit 2 TVA TVANuclear TVANuclear Nuclear Construction Construction 35 Construction 35 35

Special Topic - Waste Confidence

• NRC Scoping effort completed March 2013

• Commission C i i d draft ft off rule l and d GEIS due d ini June J 2013

• Draft rule and GEIS expected in September 2013

• 10 public meetings planned for comment period.

• Final rule on schedule for September 2014 Gordon GordonArent Arent TVA TVANuclear Construction Nuclear Construction 36 36

S i l Topic Special T i - Emergent E t Regulation R l ti Gordon Arent, Senior Licensing Manager, Watts Bar Unit 2 TVA TVANuclear TVANuclear Nuclear Construction Construction 37 Construction 37 37

Special Topic - Emergent Regulation

• Hydrology - License Amendment Request and NRC Violations

• New Station Blackout Rule Actual rule is now likely to be delayed until Spring 2014

• New N 10 CFR 50.46 50 46 R Rulel

• NRC Bulletin 2012-01, Design Vulnerability In Electric Power System

• Degraded Voltage (SSER Open Item 30)

Gordon GordonArent Arent TVA TVANuclear Construction Nuclear Construction 38 38

Cl i Remarks Closing R k Raymond Hruby, General Manager, Technical Services TVA TVANuclear Construction Nuclear Construction 39 39

Questions TVA TVANuclear Construction Nuclear Construction 40 40