ML073241325

Email from K. Cotton, NRR to S. Shaeffer, Rii on Final Farley Aitnrc Slides.Ppt

ML073241325
Person / Time
Site:	Farley
Issue date:	09/18/2007
From:	Cotton K Office of Nuclear Reactor Regulation
To:	Scott Shaeffer Office of Nuclear Reactor Regulation
References
FOIA/PA-2008-0016
Download: ML073241325 (8)

Text

K r n Cottonl iflal ar AlITNI-( slideý t Page 1 *1 From: Karen Cotton 6/

To: Scott Shaeffer Date: 09/18/2007 5:47:28 PM

Subject:

Final Farley AITNRC slides.ppt f5 sw I

-slid'e-sppt af en Cotton - Farl-ey Ai TUR-C" PaQe 1 }1 LLre Cotn-FalvAT R lds DtPo

/

U.S.NRC UNITED STATES NUCLEAR REGULATOAY COMMISSION ProtectingPeople and the Environment Senate Committee on Environment and Public Works Briefing September 19, 2.007 1

NRC Staff Headquarters

- David Decker - Congressional Affairs

- Timothy McGinty - Nuclear Reactor Regulation (NRR), Deputy Director of Division of Operating Reactor Licensing (DORL)

- Steven Alexander - NRR, PRA Operations Support;

& Maintenance Branch, Augmented Inspection Team Member

- Karen Cotton - NRR, DORL, Joseph M. Farley Nuclear Plant -

Project Manager Region II

- Scott Shaeffer - Chief, Reactor Projects Branch 2

- Michael Ernstes - Chief, Training and Development Branch 2

I Karen"Cotton - Farley AITNRC sliqe-s-kpý,K~n ottol-Fa~eyATNRC~ide~pptPage3 Sf),U.S.NRC Joseph M. Farley Nuclear Plant Operator - Southern Nuclear Operating Company

• Type - Westinghouse; PWR; 3-loop

• Units-Two

• Unit 1 - 830 MWt

• Unit2- 839 MWt 3

Kareýn Cotton - Fa~riey AITNRC siqoeS.Pt Page4

• U.S.NRC History of events On May 3, 2007 The U.S. Nuclear Regulatory Commission completed a supplemental inspection regarding the Cooling Water Systems.

several significant weaknesses were identified regarding:

• evaluations for repeat safety-related breaker failures

- the thoroughness of design modification reviews for the installation of new breakers 4

tton - Farley AiTNRC slides.ppt I-'age 5b 1 I Karen Cotton Farley AITNRC slides.ppt

- Page History of events On September 4, 2007

• After a planned maintenance on the 1 B component cooling water (CCW) pump, the licensee encountered a problem when testing the functional relationships between the Unit 1 1 B CCW pump and the 1C CCW pump.

• The Cutler-Hammer breaker failed to close when the licensee attempted to manually start the 1C CCW pump from the control room.

On September 5, 2007

• The 1A CCW pump Allis-Chalmers breaker failed to close when manually started from the control room when the licensee tested the functionality of the 1B CCW pump and the 1A CCW pump.

5

~T~nCttn FrHy

- AITNRC~sie e"

Augmented Inspection Team

• The previous events precipitated the formation of an Augmented Inspection Team

• The team was chartered on September 10, 2007 6

Karen Cotton - _____ sldes ___ Pa&77

(-,,ý.".S.]NIEC Next Steps

• Public Exit Meeting; September 20, 2007 at the site NRC will continue to:

- Confirm root cause analysis and extent of condition

- Evaluate potential findings or violations

- Monitor interim and long-term corrective action for the identified breaker problems Develop AIT Inspection Report 7