TVA Women In Nuclear Se2ng the Bar to Power Our Future

Transcription

1 TVA Women In Nuclear Se2ng the Bar to Power Our Future Camille Stringfellow Nuclear Reactor Operator, WBN WIN Site Chair Victoria Dennis Online Work Control Superintendent, TVA WIN Chair January 30,

2 Bar Unit 2 CompleDon Challenges, Lessons Learned Marci Cooper Manager of Project Closure and Special Projects Mike Skaggs Senior Vice President, WaIs Bar OperaJons & ConstrucJon January 30,

3 TVA: Serving the People Serving the 9 million people of the Tennessee Valley region through Energy that is safe, clean, reliable Environmental stewardship of natural resources Economic development that brings good jobs to the region and keeps them here 3

4 Nation s 1 st New Nuclear Generation in 21 st Century

5 Bar Overview TVA s third nuclear power plant Designed for two pressurized water reactors WesJnghouse 4- loop, ice condenser Unit 1 Commercial operajon May 1996, last U.S. commercial nuclear unit to come online in 20 th century Unit 2 Over 95% complete with pre- operajonal tesjng in progress 5

6 Bar Timeline 1973 ConstrucJon begins on WaIs Bar 1985 ConstrucJon on both WaIs Bar units halted while fleet- wide regulatory issues addressed 1990 Unit 1 construcjon resumes 1996 Unit 1 begins commercial operajon 2007 Unit 2 complejon authorized, five- year schedule 2009 TVA applies for Unit 2 operajng license 2011 Review determined Unit 2 project would not meet October 2012 in- service date or cost esjmate 2012 Analysis performed of issues responsible for schedule and budget issues and revised esjmate to complete developed for Unit Safety and quality on track at Unit 2, cost and schedule within esjmate to complete ranges 6

7 WATTS BAR UNIT 2 CONSTRUCTION CHALLENGES 7

8 CompleDon Challenges TransiJon from bulk to system construcjon to expedite turnover and tesjng DocumentaJon of work, work package construct and closure Staffing plans that maintain the right numbers and skill mix to project phase Planning and managing complex work Refurbishment of equipment and components 8

9 CompleDon Challenges Electrical cable and conduit installajon Scope control VerificaJon of previously released systems CompleJon of construcjon to support pre- operajonal tesjng TesJng of systems that share components between Unit 1 and Unit 2 9

10 CompleDon Challenges TesJng discovery and equipment failures Schedule performance Dual- unit readiness Emergent issues technical and regulatory Closure of licensing issues Workforce engagement and retenjon 10

11 WATTS BAR UNIT 2 KEY LEARNINGS 11

12 Key Learnings Leadership Establish a staffing strategy that employs a highly experienced core leadership team with capabilijes aligned with unique project characterisjcs Put right people in right jobs Engage the workforce 12

13 Key Learnings EsDmate Understand work to be done Develop esjmate based on detailed analysis and lessons learned Incorporate an independent assessment of external project risks into esjmate Ensure buy- in of cost and schedule 13

14 Key Learnings ExecuDon Develop clear execujon strategy at the start tailored to project- specific elements Establish and use independent, integrated schedule and cost monitoring tools Establish a process to effecjvely control scope changes Measure what needs to be achieved Balance efficiency with early discovery 14

15 Key Learnings Oversight Provide for independent verificajon of performance data Implement cross- funcjonal oversight to track crijcal key performance indicators and risks Assure acjve risk management processes are in place and conjnually assess risk exposure and mijgajon effecjveness 15

16 Key Learnings CompleDon UJlity ownership Contract structure and roles Scope definijon and control Independent but integrated tools and indicators 16

17 WATTS BAR UNIT 2 STATUS 17

18 Bar Unit 2 Guiding Principles Safe and high quality Design basis fidelity with Unit 1 the unit in operajon Systems, structures, and components made like new 18

19 Bar Unit 2 - On Target Over 30.8 million work- hours without a lost- Jme incident Greater than 97% Quality Control Acceptance Rate 19

20 Bar Unit 2 - On Target MeeJng cost and schedule expectajons established in the EsJmate to Complete Total complejon cost range $4.0 billion to $4.5 billion Commercial operajon range - September 2015 to June 2016

21 Milestone Status Open Vessel TesJng Complete Primary HydrostaJc TesJng Complete Steam Generator HydrostaJc TesJng Complete Secondary HydrostaJc TesJng Complete Upcoming Ice Condenser Cool Down Energize Plant Systems through Unit 2 Switchyard Establish Main Condenser Start Ice Condenser Ice Load Start Hot FuncJonal TesJng 21

22 Preparing for CompleDon OrganizaJonal transijon Staffing and training DemobilizaJon plan Outreach inijajves 22

23 Bar Unit 2 Summary Safe, quality work being done Cost and schedule within established plans Historical milestones being achieved Significant work, challenges, and risks ahead Moving forward with diligence, using lessons learned WaIs Bar Unit 2 being completed right way and in accordance with plan 23

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