ML20134E736

Provides Comparison of TC 6700 EC Tester to MIZ-30A IAW Requirements of EPRI Document NP-6201,App H Re Insp of Unit 1 SG

ML20134E736
Person / Time
Site:	Braidwood
Issue date:	10/23/1996
From:	Stanley H COMMONWEALTH EDISON CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9611040061
Download: ML20134E736 (48)

Text

_- _ _ _ _ . _ _

1

, Ca min 1011% caltl1 filt%On ( hinipany A firaidwinnl Generating %IJtion l Routt*1,ihn Mi nra< cone,a w m w vi

' Tel8I bi W Hol l l

October 23,1996

)

i U.S. Nuclear Regulatory Commission Attention: Document Control Desk Washington, D.C. 20555-0001

Subject:

Comparison ofEddy Current Data Acquisition Equipment l Braidwood Nuclear Power Station, Unit 1 j Facility Operating License NPF-72 '

i NRC Docket Number SOE

Reference:

(1) Braidwood Unit 1 Steam Generator Inspection October 22,1996, Teleconference Between  !

the Commonwealth Edison Company and the Nuclear Regulatory Commission 4

(2) Harold Gene Stanley letter to Document Control Desk, May 24, i 1996, " Operating Interval Between Eddy Current Inspections for I Circumferential Indication in the Braidwood Unit i Steam <

Generators."

In reference (2) Commonwealth Edison (Comed) committed to using a Steam Generator (SG) eddy current inspection methodology for the Braidwood Station mid-cycle SG inspection equivalent to or better than that used during the Byron Unit 1 Spring 1996 refueling outage. Accordingly, Braidwood elected to use the TC 6700 Eddy Current Tester to inspect Unit 1 Steam Generators.

The TC 6700 Eddy Current Tester was compared to the MIZ-30A in accordance with the requirements of Electric Power F "scarch Institute (EPRI) Document NP-6201, Appendix i H. This comparison is documented in Westinghouse transmittal CCE-96-197, I

" Documentation of Appendix H compliance and Equivalency Calculation Note DDM 009." This report shows that the TC 6700 is equivalent or better than the MlZ-30A which was used at Byron during Byron's Unit 1 Spring 1996 refueling outage. Due to this report's proprietary nature, it will be provided to the Nuclear Regulatory Commission in a  ;

follow up transmittal. In addition, Westinghouse conducted an analysis that showed that j there is no data loss in the data transfer betweeen the TC 6700 Tester and Eddy Net 95 9611040061 961023 1x 1'

( PDR G

ADOCK 05000456 PDR .

/.\ i

/

A Unicom con pany

• /

U.S. Nuclear Regulitory Commission October 23,1996 Page 2 analysis software. A copy of this report is attached as per the United States Nuclear Regulatory Commission's request made in the reference (1) teleconference.

If you have any questions concerning this correspondence please, contact Denise Saccomando at (630) 663-7283.

Sincerely, af

/,

Ha old Gen'e Stanley Sise Vice President Braidwood Generating Station HGS /fb/96066. doc Attachment cc: R. R. Assa, Braidwood Project Manager - NRR M. D. Lynch, Senior Project Manager - NRR C. J. Phillips, Senior Resident Inspector - Braidwood A. B. Beach, Regional Administrator - RIII l Office of Nuclear Safety -IDNS l

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',* *'i TC 6700 TO MIZ 30A COMPARE ENCLOSED TC 6700 Configuration Miz 30A Summary Form Graphics 100% axial .115 +pt and .080 set to 20 volts (ANSER, converted ANSER, Miz 30A)

C-scan 100% axial .115 coil (ANSER, converted ANSER, Miz 30A)

C-scan 63% 0.D. axial .115 coil (ANSER, converted ANSER, Miz 30A)

C-scan 60% I.D. axial .115 coil (ANSER, converted ANSER, Miz 30A)

C-scan 40% 0.D. axial .115 coil (ANSER, converted ANSER, Miz 30A)

C-scan 21% I.D. axial .115 coil (ANSER, converted ANSER, Miz 30A)

C-scan 21% 0.D. axial .115 coil (ANSER, converted ANSER, Miz 30A)

C-scan 100% circ. .115 coil (ANSER, converted ANSER, Miz 30A)

C-scan 100% cire. +pt coil (ANSER, converted ANSER, Miz 30A)

C-scan 60% 0.D circ. +pt coil (ANSER, converted ANSER, Miz 30A)

C-scan 60% I.D. circ. +pt coil (ANSER, converted ANSER, Miz 30A)

S-scan 40% 0.D. circ. +pt coil (ANSER, converted ANSER, Miz 30A)

.. ._ . ._ .__ _ _ . _ _ _ . _ _ . _ . . . _ _ _ _ _ . _ _ ~ . _ . . . . _ _ _ _ _ _ . _ _ _ _ . - . _ _ _ _ . . _

/

4 Sep 24 12:56 1996 TC12X2 Paga 1 TC6700 Configuration File TC12X2 version: 0.046 created Tue Sep 24 12:56:41 1996 Acquisition Rate: 1230 H Frequency Setup Current Suurces 0 Volts F1 300.00 kHz i

Acquisition Type INTERNAL F2 200.00 kHz l

Interpolation: ON F3 100.00 kH2 Demodulation Types REAL_1 MAG F4 20.00 kHz Frequency Accuracy: 2.00 %

Ntaber of Frequencies 4 Number of Contexts: 2 Number of Probes 1 Configuration Comments: ]

Sampling rate set up for 900 RPM at 0.6 ips for 7/8a ttbing. I Must use appropriate TC6700 RPC adapter (DWG # 1879589 for 10 pin, or 1879546 for 36 pin cable).

GENERATOR SETUP I

~

i Ctx 1 Ctx 2 l

i GENERATOR 1 is set to NORMAL F1 3.8V F2 3.8V l

F3 3.8V F4 3.8v l

GENERATOR 2 is set to NORMAL 72 3.8V F1 3.8V F4 3.8V I3 3.8V GENERATOR 3 is set to 0FF GENERATOR 4 is set to 0FF DEMODULATION SETUP Demodulation Signal 1 F1 F2 i Demodulation Signal 2 F3 F4 l Omdulation signal 3 F2 F1 Danodulation Signal 5 F4 F3 ACQUISITION SETUP TRN TRN Input Demod Bat Rrd Ch Probe Colt Switch Switch Gain Gen Ctx 1 Ctx 2 1 1 1 5 2 3 38 N/A 200 5 300 2 1 2 2 l 1 5 5 38 N/A 100 9 1 3 1 1 1 1 38 N/A 300 1 200 4  !

1 4 1 1 1 2 38 N/A 100 7 20 11 2 1 1 4 2 2 38 N/A 100 8 2 2 1 6 2 2 38 N/A 2 3 )

1 7 1 1 38 N/A 300 3 200 6 2 4 1 7 1 2 38 N/A 100 10 3 1 1 9 1 1 29 N/A I 3 2 1 10 2 1 29 N/A 3 3 1 11 3 1 29 N/A 3 4 1 12 4 1 29 N/A 4 1 1 13 1 1 29 N/A 4 2 1 13 1 2 29 N/A 4 3 1 13 1 3 29 N/A 4 4 1 13 1 6 29 N/A i

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Sep 24 12:56 1996 TC12x2 Pres 2 i PROBE 1 RPC Trigger Channett 8 ANSER Coll Coll Chan TAN TRN Dad in Fitt Fitt Bat Chan Num -Type Grp Freq Brd Ch Sw Sw Ctx Gn Type Parm Gen 1 1 115 1 300 1 3 1 11 38 NONE O N/A 2 5 +PT 1 300 1 1 3 2 2 38 NONE 0 N/A 3 7 80M 1 300 2 3 1 1 1 38 NONE 0 N/A l 4 1 115 1 200 1 - 3 1 1 2 38 NONE D N/A l 5 5 +PT 1 200 1 1 3 2 1 38 NONE- 0 N/A l

6 7 80M 1 200 2 3 1 1 2 38 NONE O N/A 7 1 115 1 100 1 4 2 1 1 38 NONE O N/A 8 4 TRG 1 100 2 1 2 2 1 38 NONE D N/A 9 5 +PT 1 100 1 2 5 2 2 38 WONE O N/A 10 7 80M 1 100 2 4 2 1 1 38 NONE O N/A 11 1 115 1 20 1 4 2 1 2 38 NONE D N/A i

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SUMMARY

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)WNER: Westinghouse PLANT: Waltz Mill i

UNIT: 1 DATE: 09-26-96 "4 LEG:

1_ HOT t

v4SK NO.: Dk la OPERATOR: Pierini GP LEVEL: III OPERATOR: LEVEL:

ASME S/N: N/A STD S/N: ACGT02196 TUBE DIAM: 0.750 WALL THICK: 0.043 MATERIAL: Inconel 600 i PROBE TYPE: 115+PtBOM i PROBE S/N:

l MANUFACTURE Zetec PROBE LEN: 50 ft l PR EXT TYPE Westinghouse l MANUFACTURE PR EXT LEN: 60 ft ADDITIONAL TEXT INPUT:

0.6 ips 900 RPM 12Vx2 I

I l CONFIGURATION INFORMATION:

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