ML093210200

Licensee Slides, Extended Power Uprate - Impact on Steam Dryer

ML093210200
Person / Time
Site:	Grand Gulf
Issue date:	11/12/2009
From:	Entergy Nuclear Operations
To:	Office of Nuclear Reactor Regulation
Lyon, C F, NRR/DLPM, 415-2296
References
TAC ME2423
Download: ML093210200 (31)

Text

Grand Gulf Nucl r Station

-Exten jj'iPower Uprate Impa on Steam Dryer

~Entergy.,.

NRC Meeting November 12, 2009 TKE POWER. OF "'EOPLI:

1

N c

--a

+-'

ro E

La

'+ c -

c ro

-a t/)

Z l!J l!J

Agenda:

Non-Proprietary Portion of Presentation

• Introduction of Presenting Parties

• Meeting Objectives

• GGNS Plant Information

• Integration of Steam Dryer Analysis into LAR Submittal

• Overview of Schedule Implementation

.E.rQprietary Portion of Presentation

• Overview of Plant Based Load Evaluation (PBLE) Process

• Summary of Stress Evaluation Process

• Bias and Uncertainty Applied in the Evaluation

• Underlying Margins and Resultant Safety Factors - Stress

• Underlying Margins and Resultant Safety Factors - Cycle Count

• Underlying Margins and Resultant Safety Factors - Combined

• Summary

• Discussion and Feedback

~Entergy.

THE POWER Of PEOPLE ~~

3

Introduction of Presenting Parties:

Harry Goodman - Entergy Steve Verrochi - Entergy Brian Newell - Entergy Jerry Burford - Entergy Art Alford - Entergy Paul Bruck - LPI Enrico Betti - GEH Mike James - GEH eEntetgY."

THE POWER OF PEOPLE 4

Meeting Objectives:

• Provide Status of Current Dryer Analysis

• Provide NRC with Submittal Schedule

• Describe to NRC the bias, uncertainties and margins used in the Steam Dryer evaluation

• Solicit feedback on approach eEntetgY...

-rifE po-w fR OF PEOPLE 5

GGNS Plant Information

• Grand Gulf Nuclear Station (GGNS):

• GE BWR-6 design, Operating License 1985

• Capacity 3898 MWt (current), 3833 MWt (original)

Extended Power Uprate to 115% of OLTP - 4408 MWt

• CLTP and EPU rated core flow =112.5 Mlbm/hr

• CLTP and EPU rated dome pressure =1040 psia

• CLTP rated main steam flow =16.773 Mlbm/hr EPU rated main steam flow =18.968 Mlbm/hr

• GGNS steam dryer uses curved hood design OEntetgy...

"THE POWER Of PEOPLE*

6

Integration of Steam Dryer Analysis into LAR Submittal:

• LAR includes Operating License changes and Safety Analysis Report to support EPU

• SAR includes summary of dryer evaluation

• Detailed Evaluation provided as separate attachments

• Similar to recent BWR EPU applications / precedence eEntergy. "

,. NE POWER Of ~£OPlE 7

Overview of Schedule Implementation 2008 2009 2010 2011 2012 2013

_....Q*..*..*9......9*.._....'O.......9......9.....-*...Q.......*<:;>...... : *..e......Q......*Q......<;:>....e..*Or*.....Q.....<?..*..e....q......*q......9*...e*......Q*.....*9.....*9....e r:D.

r::j:

~:

~

~

j N.,~ d

~

j

~

~

NI Rt8

~1*! II I i I Iii i

• En inllerin A~al SiS~

~

1 1

(18 -.;24 Moe s).

~

~

~tailed ~OD pa~kage ~repara12on 1

~

~

j

-lI!rla l rocu.._....-_*....

_...04

~1',!!

Activity/Milestone Project Planned Date NRC Approval of GEH ESBWR PBLE LTR November, 2009 Draft NRC Approval of GEH BWR PBLE LTR May, 2010 GEH preparation of PUSAR complete June, 2010 Submit EPU License Amendment Request July, 2010 Approval by NRC of EPU LAR November, 2011 EPU Implementation Outage (RF18)

February, 2012

~Entergy.

THE POWER OF PEOPLE!Io!

8

c::

0 0

c::

(\\J V)

(\\J c

Q)

Cl.

E 15' CJ)

CJ) c::

Q) 0 CJ)

CJ) 0 Cl.

Q) c

~

0 0

(\\J Cf)

Z Q..

(!J 0

~!

~:

(!J

~~

Cl.

411~

E

I N

~c<

I I

i-I I*

I I

I I

I*

I

co

.-i

~

I I

I-I

N N

m N

I I

L/)

N I

en N

o N'l

V')

-~

V')

QJ 0:::

C o e_

u QJ 0..

V')

C QJ o

V')

o

~

e_

QJ a..

N N'l L.

ro E

E

J Vl

~

u ro

..c

"""C OJ OJ u..

"""C c

ro V')

c o

V')

V')

J U

V')

o