ML18005A700: Difference between revisions

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| number = ML18005A700
| number = ML18005A700
| issue date = 11/10/1988
| issue date = 11/10/1988
| title = Responds to NRC Bulletin 88-009, Thimble Tube Thinning in Westinghouse Reactors. Program Consistent W/Bulletin Recommendations Will Be Formally Implemented by Engineering Periodic Test Procedure EPT-114, Eddy Current Testing....
| title = Responds to NRC Bulletin 88-009, Thimble Tube Thinning in Westinghouse Reactors. Program Consistent W/Bulletin Recommendations Will Be Formally Implemented by Engineering Periodic Test Procedure EPT-114, Eddy Current Testing..
| author name = Watson R
| author name = Watson R
| author affiliation = CAROLINA POWER & LIGHT CO.
| author affiliation = CAROLINA POWER & LIGHT CO.
Line 16: Line 16:


=Text=
=Text=
{{#Wiki_filter:AC CELERATED            DISTRIBUTION           DEMONSTRATION             SYSTEM REGULATORY INFORMATION DISTRIBUTION SYSTEM (RIDS)
{{#Wiki_filter:ACCELERATED DISTRIBUTION DEMONSTRATION SYSTEM REGULATORY INFORMATION DISTRIBUTION SYSTEM (RIDS)
ACCESSION NBR:8811160287           DOC.DATE:   88/11/10     NOTARIZED: YES           DOCKET FACIL:50-400 Shearon Harris Nuclear Power Plant, Unit 1, Carolina                     05000400 AUTH. NAME             AUTHOR AFFILIATION WATSON,R.A.           Carolina Power & Light Co.
ACCESSION NBR:8811160287 DOC.DATE: 88/11/10 NOTARIZED: YES FACIL:50-400 Shearon Harris Nuclear Power Plant, Unit 1, Carolina AUTH.NAME AUTHOR AFFILIATION WATSON,R.A.
RECIP.NAME             RECIPIENT AFFILIATION Document Control Branch (Document Control Desk)
Carolina Power
& Light Co.
RECIP.NAME RECIPIENT AFFILIATION Document Control Branch (Document Control Desk)
DOCKET 05000400


==SUBJECT:==
==SUBJECT:==
Responds to NRC Bulletin 88-009, "Thimble Tube Thinning in Westinghouse Reactors."
Responds to NRC Bulletin 88-009, "Thimble Tube Thinning in Westinghouse Reactors."
DISTRIBUTION CODE: IEISD TITLE:  Bulletin    88-09 COPIES RECEIVED:LTR     2   ENCL 2(   SIZE:
DISTRIBUTION CODE: IEISD COPIES RECEIVED:LTR 2 ENCL 2(
Thimble Tube Thinning zn Westinghouse Reactors NOTES:Application       for permit   renewal filed.                                 o5ooo4oo 8
SIZE:
RECIPIENT           COPIES            RECIPIENT            COPIES ID  CODE/NAME        LTTR ENCL        ID CODE/NAME         LTTR ENCL PD2-1 LA                               PD2-1 PD BUCKLEY,B                                                                             A INTERNAL: AEOD/DOA                                 AEOD/DSP AEOD/DS P/TPAB NRR RAMSEY,J NRR PMAS/ILRB12 NRR HOU,S NRR/DOEA/EAB NUDOCS-ABSTRACT ll 02                    RES/DSIR/EIB RGN2      FILE  01 EXTERNAL: LPDR                                      NRC PDR NSIC D
TITLE: Bulletin 88-09 Thimble Tube Thinning zn Westinghouse Reactors NOTES:Application for permit renewal filed.
8 NCjTE 'IO ALL 'RIES" RECIPZEDIS:
o5ooo4oo 8
PZEASE HELP US 10 REDUCE HASTE! CONZACT 'IHE DOCUMENT CONTROL DESK, D
RECIPIENT ID CODE/NAME PD2-1 LA BUCKLEY,B INTERNAL: AEOD/DOA AEOD/DSP/TPAB NRR RAMSEY,J NRR PMAS/ILRB12 02 RGN2 FILE 01 EXTERNAL: LPDR NSIC COPIES LTTR ENCL RECIPIENT ID CODE/NAME PD2-1 PD AEOD/DSP NRR HOU,S NRR/DOEA/EAB ll NUDOCS-ABSTRACT RES/DSIR/EIB NRC PDR COPIES LTTR ENCL A
RXM Pl-37 (EXT. 20079)   TO EIQM32KZE YOUR NAME PBQM DISTRIBUTION LISTS H)R DOCESWIS YOU DONPT NEED)                                             8 TOTAL NUMBER OF COPIES REQUIRED: LTTR             17   ENCL
D 8
NCjTE 'IO ALL 'RIES" RECIPZEDIS:
PZEASE HELP US 10 REDUCE HASTE!
CONZACT 'IHE DOCUMENT CONTROL DESK, RXM Pl-37 (EXT. 20079)
TO EIQM32KZE YOUR NAME PBQM DISTRIBUTION LISTS H)R DOCESWIS YOU DONPT NEED)
D 8
TOTAL NUMBER OF COPIES REQUIRED:
LTTR 17 ENCL


CHAL Carolina Power 8 Light Company HARRIS NUCLEAR PROJECT P. 0. Box 165 New Hill, North     Carolina     27562 NOV 1 0   1888 File Number'. SHF/10-13510 Letter Number'HO-880234 (0)
CHAL Carolina Power 8 Light Company HARRIS NUCLEAR PROJECT P. 0.
United States Nuclear Regulatory Commission Attention:   Document Control Desk Washington,   DC 20555 DOCKET NO. 50-400/LICENSE NO. NPF-63 RESPONSE TO NRC BULLETIN NO. 88-09:
Box 165 New Hill, North Carolina 27562 NOV 1 0 1888 File Number'.
SHF/10-13510 Letter Number'HO-880234 (0)
United States Nuclear Regulatory Commission Attention:
Document Control Desk Washington, DC 20555 DOCKET NO. 50-400/LICENSE NO. NPF-63
 
===RESPONSE===
TO NRC BULLETIN NO. 88-09:
THIMBLE TUBE THINNING IN WESTINGHOUSE 'REACTORS Gentlemen:
THIMBLE TUBE THINNING IN WESTINGHOUSE 'REACTORS Gentlemen:
Carolina Power and Light Company (CP&L) hereby submits the information for the Shearon Harris Nuclear Power Plant (SHNPP) required by NRC Bulletin No. 88-09, "Thimble Tube Thinning in Westinghouse Reactors."         This bulletin requested addresses         to establish and implement an inspection program to periodically confirm thimble tube integrity as well as perform any corrective measures necessary to maintain thimble tube integrity within the program acceptance   criteria.
Carolina Power and Light Company (CP&L) hereby submits the information for the Shearon Harris Nuclear Power Plant (SHNPP) required by NRC Bulletin No.
A program   consistent with the recommendations           identified in the bulletin has been developed.               This   program will be formally implemented by Engineering Periodic Test procedure EPT-114, "Eddy Current Testing Requirements             for the Incore Instrumentation Thimbles."
88-09, "Thimble Tube Thinning in Westinghouse Reactors."
This bulletin requested addresses to establish and implement an inspection program to periodically confirm thimble tube integrity as well as perform any corrective measures necessary to maintain thimble tube integrity within the program acceptance criteria.
A program consistent with the recommendations identified in the bulletin has been developed.
This program will be formally implemented by Engineering Periodic Test procedure EPT-114, "Eddy Current Testing Requirements for the Incore Instrumentation Thimbles."
Thimble tube inspection using the criteria formulated during program development was conducted during the August 1988 Refueling Outage.
Thimble tube inspection using the criteria formulated during program development was conducted during the August 1988 Refueling Outage.
Corrective and preventive measures were implemented to maintain thimble tube integrity within the developed acceptance criteria.
Corrective and preventive measures were implemented to maintain thimble tube integrity within the developed acceptance criteria.
Five thimbles were repositioned based on detection of wall degradation (( 30Z) near the lower core support plate.                   One 8811160287     88iii0 PDR     ADttCK 05000400 9                   PDC MEM/HO-8802340/1/OS1
Five thimbles were repositioned based on detection of wall degradation
((
30Z) near the lower core support plate.
One 8811160287 88iii0 PDR ADttCK 05000400 9
PDC MEM/HO-8802340/1/OS1


United States Nuclear Regulatory Commission Page 2 thimble was     replaced as     a result of tube wall degradation   beyond acceptance     criteria     (60K) and another   was replaced since it was obstructed and could not         be inspected.
United States Nuclear Regulatory Commission Page 2
Should   you       have   any   questions regarding     this matter, please contact Mr. L.         I. Loflin at   (919) 836-6242.
thimble was replaced as a result of tube wall degradation beyond acceptance criteria (60K) and another was replaced since it was obstructed and could not be inspected.
Yours very truly, ZA-~~-~
Should you have any questions regarding this
R. A. Watson Vice President Harris Nuclear Project MAT:acm cc:   Messrs.         W. H. Bradford B. C. Buckley M. L. Ernst R. A. Watson, having been first duly sworn, did depose and say that the information contained herein is true and correct to the best of his information, knowledge and belief; and the sources of his information are officers, employees, contractors, and agents of Carolina Power and Light Company.
: matter, please contact Mr. L. I. Loflin at (919) 836-6242.
          <~~>en~>
Yours very truly, ZA-~~-~
R. A. Watson Vice President Harris Nuclear Project MAT:acm cc:
Messrs.
W. H. Bradford B. C. Buckley M. L. Ernst R.
A. Watson, having been first duly
: sworn, did depose and say that the information contained herein is true and correct to the best of his information, knowledge and belief; and the sources of his information are officers, employees, contractors, and agents of Carolina Power and Light Company.
<~~>en~>
8
8
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MEM/HO-8802340/2/OS1}}
MEM/HO-8802340/2/OS1}}

Latest revision as of 07:08, 7 January 2025

Responds to NRC Bulletin 88-009, Thimble Tube Thinning in Westinghouse Reactors. Program Consistent W/Bulletin Recommendations Will Be Formally Implemented by Engineering Periodic Test Procedure EPT-114, Eddy Current Testing..
ML18005A700
Person / Time
Site: Harris Duke Energy icon.png
Issue date: 11/10/1988
From: Watson R
CAROLINA POWER & LIGHT CO.
To:
NRC OFFICE OF ADMINISTRATION & RESOURCES MANAGEMENT (ARM)
References
HO-880234-(O), IEB-88-009, IEB-88-9, NUDOCS 8811160287
Download: ML18005A700 (3)
v • d • e


Text

ACCELERATED DISTRIBUTION DEMONSTRATION SYSTEM REGULATORY INFORMATION DISTRIBUTION SYSTEM (RIDS)

ACCESSION NBR:8811160287 DOC.DATE: 88/11/10 NOTARIZED: YES FACIL:50-400 Shearon Harris Nuclear Power Plant, Unit 1, Carolina AUTH.NAME AUTHOR AFFILIATION WATSON,R.A.

Carolina Power

& Light Co.

RECIP.NAME RECIPIENT AFFILIATION Document Control Branch (Document Control Desk)

DOCKET 05000400

SUBJECT:

Responds to NRC Bulletin 88-009, "Thimble Tube Thinning in Westinghouse Reactors."

DISTRIBUTION CODE: IEISD COPIES RECEIVED:LTR 2 ENCL 2(

SIZE:

TITLE: Bulletin 88-09 Thimble Tube Thinning zn Westinghouse Reactors NOTES:Application for permit renewal filed.

o5ooo4oo 8

RECIPIENT ID CODE/NAME PD2-1 LA BUCKLEY,B INTERNAL: AEOD/DOA AEOD/DSP/TPAB NRR RAMSEY,J NRR PMAS/ILRB12 02 RGN2 FILE 01 EXTERNAL: LPDR NSIC COPIES LTTR ENCL RECIPIENT ID CODE/NAME PD2-1 PD AEOD/DSP NRR HOU,S NRR/DOEA/EAB ll NUDOCS-ABSTRACT RES/DSIR/EIB NRC PDR COPIES LTTR ENCL A

D 8

NCjTE 'IO ALL 'RIES" RECIPZEDIS:

PZEASE HELP US 10 REDUCE HASTE!

CONZACT 'IHE DOCUMENT CONTROL DESK, RXM Pl-37 (EXT. 20079)

TO EIQM32KZE YOUR NAME PBQM DISTRIBUTION LISTS H)R DOCESWIS YOU DONPT NEED)

D 8

TOTAL NUMBER OF COPIES REQUIRED:

LTTR 17 ENCL

CHAL Carolina Power 8 Light Company HARRIS NUCLEAR PROJECT P. 0.

Box 165 New Hill, North Carolina 27562 NOV 1 0 1888 File Number'.

SHF/10-13510 Letter Number'HO-880234 (0)

United States Nuclear Regulatory Commission Attention:

Document Control Desk Washington, DC 20555 DOCKET NO. 50-400/LICENSE NO. NPF-63

RESPONSE

TO NRC BULLETIN NO. 88-09:

THIMBLE TUBE THINNING IN WESTINGHOUSE 'REACTORS Gentlemen:

Carolina Power and Light Company (CP&L) hereby submits the information for the Shearon Harris Nuclear Power Plant (SHNPP) required by NRC Bulletin No.

88-09, "Thimble Tube Thinning in Westinghouse Reactors."

This bulletin requested addresses to establish and implement an inspection program to periodically confirm thimble tube integrity as well as perform any corrective measures necessary to maintain thimble tube integrity within the program acceptance criteria.

A program consistent with the recommendations identified in the bulletin has been developed.

This program will be formally implemented by Engineering Periodic Test procedure EPT-114, "Eddy Current Testing Requirements for the Incore Instrumentation Thimbles."

Thimble tube inspection using the criteria formulated during program development was conducted during the August 1988 Refueling Outage.

Corrective and preventive measures were implemented to maintain thimble tube integrity within the developed acceptance criteria.

Five thimbles were repositioned based on detection of wall degradation

((

30Z) near the lower core support plate.

One 8811160287 88iii0 PDR ADttCK 05000400 9

PDC MEM/HO-8802340/1/OS1

United States Nuclear Regulatory Commission Page 2

thimble was replaced as a result of tube wall degradation beyond acceptance criteria (60K) and another was replaced since it was obstructed and could not be inspected.

Should you have any questions regarding this

matter, please contact Mr. L. I. Loflin at (919) 836-6242.

Yours very truly, ZA-~~-~

R. A. Watson Vice President Harris Nuclear Project MAT:acm cc:

Messrs.

W. H. Bradford B. C. Buckley M. L. Ernst R.

A. Watson, having been first duly

sworn, did depose and say that the information contained herein is true and correct to the best of his information, knowledge and belief; and the sources of his information are officers, employees, contractors, and agents of Carolina Power and Light Company.

<~~>en~>

8

@()ltd Ry PUBLiC j~I

~letSlciS4~~

Notary (Seal)

MEM/HO-8802340/2/OS1

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