ML031740332

Bare Metal Visual Relaxation Request Slides - June 17, 2003, Development of Low Frequency ECT Vessel Leakage/Integrity Inspection Through Closing Remarks

ML031740332
Person / Time
Site:	Arkansas Nuclear
Issue date:	06/17/2003
From:	Entergy Operations
To:	Office of Nuclear Reactor Regulation
References
Download: ML031740332 (10)

Text

Developmen o LOW Frequency ET Vssel Lekg/ntert nspeton x~*

'I

_ ___T__

\\ 2 500A M A.

• r

=

w t

r rrl

-Frequency Probe 2

.5 26 1.0 1.0 AMplitude Scale Cursor Width VH Ratio TimeScale CZf

Development of Low Frequency essel Leakag/Integrity InspectLion F Picture shows iroal machined arooves of l

B A C

Low Frequency Vessel Inspection

IaI BMV

> 0.QpApeqn Cooli;ng Shroud DQQrs oRemQv.e In-ulatiQnf Col'lars Pe-rform. B.lMV\\P arQ.X>ul,U,..nd ICI'Annullut 6/17/2003 q

.~~~-

I

.1 iaii I

I I

i i

iA a

I I t

I : D' i:

s i,

{

j X 1

• Concusion

> Combination of Supplementary an BMV inspection

Other Re l a a t ion~

~

Req uests i

l

+ '

w,

' L ' - e.

6/1w003 ot
y -- -'.

odh Aa

7.

ORDER RCIIel axation -

nspection Of Thread Noza zle Cone A r

Rs aER Re laxat m

all\\

CXoonV I-nspection o IC Nzze Ends

Order I Aflternative 2R16 Inspections Co mplying with Order CEDM (81)

ICI (8)

Vent (1)

BMV See alternative BMV around See altemative penetrations UT or Wetted UT/Riverbed UT/Riverbed Wetted Surface Surface (eddy current)

Complementary Alternative CEDM (81)

ICI (8)

Vent (1)

BMV

• Triple Point N/A

• Low

• Low Frequency Frequency Eddy Current Eddy Current Vessel Exam Vessel Exam

• Supplemental

• Supplemental Visual Visual

/2003 I

i4 Ii i

i i

A I

I i

14 A

I 1,.

I 6/1 7

C l o s

~ ~ ~ ngr Remr arkA iZE!

f~~~~~~~

!~~~~~~~~~~~~

o.s 1,~~~~~~~

I f

v,

., s

'f f, i

!; Z.f

., i f

t6ll7/2003 j.

7 J

L

---