ST-HL-AE-4602, Special Rept:On 931007,insp Resulted in Plugging of fifty- One Tubes Between Four Steam Generators.Reasons for Tube Plugging Summarized as Listed: Difference between revisions

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llouston Lighting & Power October 15, 1993 ST-HL-AE-4602 File No.:
October 15, 1993 ST-HL-AE-4602 File No.:       G21.02 10CFR50.36 U. S. Nuclear Regulatory Commission Attention: Document Control Desk Washington,         DC 20555 South Texas Project Unit 1 Docket No. STN 50-498 fsecial Report Regarding Pluoqino of Unit 1 Steam Generator Tubes Pursuant to the requirements of STP Technical Specifications 4.4.5.5a and 6.9.2, Houston Lighting & Power (HL&P) submits this Special Report regarding plugging of Unit 1 steam generator tubes.
G21.02 10CFR50.36 U.
HL&P completed the Fall 1993 inservice inspection of the Unit 1 steam generators on October 7, 1993.                                           The inspection resulted in the plugging of fifty-one (51) tubes between all four steam generators.             A breakdown per steam generator is provided below.
S.
Steam Generator                                   Tubes Plucced 1A                                             14 1B                                             14 1C                                             14 1D                                               9 The reasons for the tube plugging are summarized by the following.
Nuclear Regulatory Commission Attention: Document Control Desk Washington, DC 20555 South Texas Project Unit 1 Docket No. STN 50-498 fsecial Report Regarding Pluoqino of Unit 1 Steam Generator Tubes Pursuant to the requirements of STP Technical Specifications 4.4.5.5a and 6.9.2, Houston Lighting & Power (HL&P) submits this Special Report regarding plugging of Unit 1 steam generator tubes.
Reason                                           Number of Tubes Plucced Technical Specification Requirement                                               16 Preventative                                                                       30 Portion of tube pulled                                                               4 Stabilizer insertion error                                                           1 If there are any questions regarding this matter,                                       please contact Mr. A. W. Harrison at (512) 972-7298 or me at (512) 972-8787.
HL&P completed the Fall 1993 inservice inspection of the Unit 1 steam generators on October 7,
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1993.
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The inspection resulted in the plugging of fifty-one (51) tubes between all four steam generators.
                                                                            ~
A breakdown per steam generator is provided below.
9310250170 931015
Steam Generator Tubes Plucced 1A 14 1B 14 1C 14 1D 9
                                    ~
The reasons for the tube plugging are summarized by the following.
Mce       res W n QDh ADocx 03ooo49g PDR                                       Nucl.ar       ngin ering SS/eg Project Manager on Behalf of the Participants in t   South Texas P dect                 gl 2mn.m.<.                                                                                               ,
Reason Number of Tubes Plucced Technical Specification Requirement 16 Preventative 30 Portion of tube pulled 4
Stabilizer insertion error 1
If there are any questions regarding this matter, please contact Mr.
A.
W.
Harrison at (512) 972-7298 or me at (512) 972-8787.
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      - SouttrTexas Project Electric Generating Station         Fi1e No.. G21.02 Page 2 c:
'Ifouston Lighting & Power Company ST-HL-AE-4602
Regional Administrator, Region IV                     Rufus S. Scott U. S. Nuclear Regulatory Commission                   Associate General Counsel 611 Ryan Plaza Drive, Suite 400                       Houston Lighting & Power Company Arlington, TX 76011                                   P. O. Box 61867 Houston, TX   77208 Lawrence E. Kokajko                                   Institute of   Nuclear Power     .
- SouttrTexas Project Electric Generating Station Fi1e No..
Project Manager                                         Operations - Reucrds Center   !
G21.02 Page 2 c:
U. S. Nuclear Regulatory Commission                   700 Galleria Parkway           >
Regional Administrator, Region IV Rufus S.
Washington, DC 20555 13H15                           Atlanta, GA   30339-5957 David P. Loveless                                     Dr. Joseph M. Hendrie Sr. Resident Inspector                               50 Bellport Lane c/o U.S. Nuclear Regulatory Comm.                     Bellport, NY 11713 P. O. Box 910 Bay City, TX 77404-910 J. R. Newman, Esquire                               D. K. Lacker Newman & Holtzinger, P.C., STE 1000                   Bureau of Radiation Control 1615 L Street,               N.W.                     Texas. Department of Health Washington, DC 20036                                 1100 West 49th Street Austin, TX 78756-3189 K. J. Fiedler/M. T. Hardt                             U. S. Nuclear Regulatory Comm.
Scott U.
City Public Service                                   Attn: Document Control Desk     l P. O. Box 1771                                       Washington, D.C. 20555
S. Nuclear Regulatory Commission Associate General Counsel 611 Ryan Plaza Drive, Suite 400 Houston Lighting & Power Company Arlington, TX 76011 P.
* San Antonio, TX 78296 J. C. Lanier/M. B. Lee City of Austin Electric Utility Department 721 Barton Springs Road Austin, TX 78704 i
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Box 61867 Houston, TX 77208 Lawrence E.
Kokajko Institute of Nuclear Power Project Manager Operations - Reucrds Center U.
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Nuclear Regulatory Commission 700 Galleria Parkway Washington, DC 20555 13H15 Atlanta, GA 30339-5957 David P.
Loveless Dr. Joseph M.
Hendrie Sr. Resident Inspector 50 Bellport Lane c/o U.S.
Nuclear Regulatory Comm.
Bellport, NY 11713 P.
O.
Box 910 Bay City, TX 77404-910 J.
R. Newman, Esquire D.
K.
Lacker Newman & Holtzinger, P.C.,
STE 1000 Bureau of Radiation Control 1615 L Street, N.W.
Texas. Department of Health Washington, DC 20036 1100 West 49th Street Austin, TX 78756-3189 K.
J. Fiedler/M.
T.
Hardt U.
S. Nuclear Regulatory Comm.
City Public Service Attn:
Document Control Desk l
P.
O.
Box 1771 Washington, D.C.
20555 San Antonio, TX 78296 J.
C. Lanier/M.
B.
Lee City of Austin Electric Utility Department 721 Barton Springs Road Austin, TX 78704 i
G.
E. Vaughn/T.
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Puckett Central Power and Light Company P. O.
Box 2121 Corpus Christi, TX 78403 IR-93\\ 93 26 6,001 L}}

Latest revision as of 07:33, 17 December 2024

Special Rept:On 931007,insp Resulted in Plugging of fifty- One Tubes Between Four Steam Generators.Reasons for Tube Plugging Summarized as Listed
ML20058P704
Person / Time
Site: South Texas STP Nuclear Operating Company icon.png
Issue date: 10/15/1993
From: Cloninger T
HOUSTON LIGHTING & POWER CO.
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
ST-HL-AE-4602, NUDOCS 9310250170
Download: ML20058P704 (2)
v • d • e


Text

f.

The Light company "'

      • ' "d*"

llouston Lighting & Power October 15, 1993 ST-HL-AE-4602 File No.:

G21.02 10CFR50.36 U.

S.

Nuclear Regulatory Commission Attention: Document Control Desk Washington, DC 20555 South Texas Project Unit 1 Docket No. STN 50-498 fsecial Report Regarding Pluoqino of Unit 1 Steam Generator Tubes Pursuant to the requirements of STP Technical Specifications 4.4.5.5a and 6.9.2, Houston Lighting & Power (HL&P) submits this Special Report regarding plugging of Unit 1 steam generator tubes.

HL&P completed the Fall 1993 inservice inspection of the Unit 1 steam generators on October 7,

1993.

The inspection resulted in the plugging of fifty-one (51) tubes between all four steam generators.

A breakdown per steam generator is provided below.

Steam Generator Tubes Plucced 1A 14 1B 14 1C 14 1D 9

The reasons for the tube plugging are summarized by the following.

Reason Number of Tubes Plucced Technical Specification Requirement 16 Preventative 30 Portion of tube pulled 4

Stabilizer insertion error 1

If there are any questions regarding this matter, please contact Mr.

A.

W.

Harrison at (512) 972-7298 or me at (512) 972-8787.

e

/

99nnu 9310250170 931015

~

Mce res W n

~

QDh ADocx 03ooo49g PDR Nucl.ar ngin ering SS/eg Project Manager on Behalf of the Participants in t South Texas P dect gl 2mn.m.<.

i,

^ >

'Ifouston Lighting & Power Company ST-HL-AE-4602

- SouttrTexas Project Electric Generating Station Fi1e No..

G21.02 Page 2 c:

Regional Administrator, Region IV Rufus S.

Scott U.

S. Nuclear Regulatory Commission Associate General Counsel 611 Ryan Plaza Drive, Suite 400 Houston Lighting & Power Company Arlington, TX 76011 P.

O.

Box 61867 Houston, TX 77208 Lawrence E.

Kokajko Institute of Nuclear Power Project Manager Operations - Reucrds Center U.

S.

Nuclear Regulatory Commission 700 Galleria Parkway Washington, DC 20555 13H15 Atlanta, GA 30339-5957 David P.

Loveless Dr. Joseph M.

Hendrie Sr. Resident Inspector 50 Bellport Lane c/o U.S.

Nuclear Regulatory Comm.

Bellport, NY 11713 P.

O.

Box 910 Bay City, TX 77404-910 J.

R. Newman, Esquire D.

K.

Lacker Newman & Holtzinger, P.C.,

STE 1000 Bureau of Radiation Control 1615 L Street, N.W.

Texas. Department of Health Washington, DC 20036 1100 West 49th Street Austin, TX 78756-3189 K.

J. Fiedler/M.

T.

Hardt U.

S. Nuclear Regulatory Comm.

City Public Service Attn:

Document Control Desk l

P.

O.

Box 1771 Washington, D.C.

20555 San Antonio, TX 78296 J.

C. Lanier/M.

B.

Lee City of Austin Electric Utility Department 721 Barton Springs Road Austin, TX 78704 i

G.

E. Vaughn/T.

M.

Puckett Central Power and Light Company P. O.

Box 2121 Corpus Christi, TX 78403 IR-93\\ 93 26 6,001 L

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