ML20148K587

Monthly Operating Repts for May 1997 for South Texas Project Electric Generating Station Units 1 & 2

ML20148K587
Person / Time
Site:	South Texas
Issue date:	05/31/1997
From:	Hill R, Mallen F HOUSTON LIGHTING & POWER CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
ST-HL-AE-005670, ST-HL-AE-5670, NUDOCS 9706180197
Download: ML20148K587 (14)

Text

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The Light company ut exas rject ectr C 'encrat og Station P. O. Box 289 Wadsworth, Texas 77483 Houston Lighting & Power June 10,1997 ST-HL-AE-005670 l

File No. G02 STI30309350 10CFR50.71 i

U. S. Nuclear Regulatory Commission Attention: Document Control Desk Washington, DC 20555 South Texas Project Units 1 and 2 Docket Nos. STN 50-498, STN 50-499 Monthly Oneratine Reports for May 1997 Pursuant to 10CFR50.71(a) and South Texas Project Electric Generating Station (STPEGS) Technical Specification 6.9.1.5, attached are the Monthly Operating Reports for May 1997.

If you should have any questions on this matter, please contact T. E. Underwood at (512) 972-7108.

Sincerely, F. H. Mallen Manager, Planning & Controls RLH/sl g,

4-Attachments: 1) STPEGS Unit 1 Monthly Operating Report - May 1997

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2) STPEGS Unit 2 Monthly Operating Report - May 1997 t

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PDR ADOCK 05000498 R

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Project Manager on Behalf of the Participants in the South Texas Project i

l Houston Lighting & Power Company ST-HL-AE-5670 l

Sputh Texas Project Electric Generating Station File No.: G02 Page 2 i

Ellis W. Merschoff Rufus S. Scott l

Regional Administrator, Region IV Associate General Counsel l

U. S. Nuclear Regulatory Commission Houston Lighting & Power Company 1

611 Ryan Plaza Drive, Suite 400 P. O.~ Box 61067 Arlington, TX 76011-8064 Houston, TX 77208 Thomas W. Alexion Institute of Nuclear Power Project Manager, Mail Code 13H3 Operations - Records Center U. S. Nuclear Regulatory Commission 700 Galleria Parkway Washington, DC 20555-0001 Atlanta, GA 30339-5957 David P. Loveless Dr. Bertram Wolfe Sr. Resident Inspector 15453 Via Vaquero c/o U. S. Nuclear Regulatory Comm.

Monte Sereno, CA 95030 P. O. Box 910 Bay City TX 77404-0910 Richard A. Ratliff Bureau of Radiation Control J. R. Newman, Esquire Texas Department of Health Morgan, Lewis & Bockius 1100 West 49th Street 1800 M Street, N.W.

Austin, TX 78756-3189 Washington, DC 20036-5869 J. R. Egan, Esquire M. T. Hardt/W. C. Gunst Egan & Associates, P.C.

City Public Service 2300 N Street, N.W.

P. O. Box 1771 Washington, D.C. 20037 San Antonio, TX 78296

.i. C. Lanier/M. B. Lee U. S. Nuclear Regulatory Commission City of Austin Attention: Document Control Desk Electric Utility Department Washington, D.C. 20555-0001 721 Barton Springs Road Austin, TX 78704 Central Power and Light Company ATfN: G. E. Vaughn/C. A. Johnson P. O. Box 289, Mail Code: N5012 Wadsworth, TX 77483 l

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i SOUTII TEXAS PROJECT ELECTRIC GENERATING STATION UNIT I MONTHLY OPERATING REPORT MAY 1997 HOUSTON LIGHTING AND POWER CO.

NRC DOCKET NO. 50-498 i

LICENSE NO. NPF-76 l

Reviewed By:

6 /80/ 9 7 T.E. UNDERWOOD Date Approved By:

4 //'/P7 G.L. PARKEY Date'

1 MONTilLY

SUMMARY

STPEGS Unit 1 operated during the reporting period at full power with no unit shutdowns or significant power reductions.

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1 OPERATING DATA REPORT '

DOCKETNO. 50-498 UNIT 1 DATE Jun.9.1997 COMPLETED BY R.L. Hill TELEPHONE 512 972-7667 l

L OPERATING STATUS -

f 1.

REPORTING PERIOD: 5/1/97-5/31/97 GROSS HOURS IN REPORTING PERIOD:

7_44 2.

CURRENTLY AUTHORIZED POWER LEVEL (Mut): 3800 MAXIMUM DEPENDABLE CAPACITY (MWe-Net): 1250.6 t

DESIGN ELECTRICAL RATING (MWe-Net): 1250.6 i

3.

POWER LEVEL TO WHICH RESTRICTED (IF ANY) (MWe-Net): None j

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REASONS FOR RESTRICTION (IF ANY): N/A l

THIS MONTH YR TO DATE CUMULATIVE i

5.

NUMBER OF HOURS REACTOR CRITICAL 744.0 3.567.8 53.447.2 6.

REACTOR RESERVE SHUTDOWN HOURS 9

9 9

7.

HOURS GENERATOR ON LINE 744.0 3.54.9 8 12,103 2 8.

UNIT RESERVE SHUTDOWN HOURS 0

0 0

t 9.

GROSS THERMAL ENERGY GENERATED (MWH) 2.839.756 13.446.497 192.681.762

10. GROSS ELECTRICAL ENERGY GENERATED (MWH) 976.700 4.622.600 65.684.310

11. NET ELECTRICAL ENERGY GENERATED (MWH) 936.030 4.442.009 62.481.529

12. REACTOR SERVICE FACTOR -

100.0 %

98.5 %

69.5 %

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13. REACTOR AVAILABILITY FACTOR 100.0 %

98.5 %

69.5 %

14. UNIT SERVICE FACTOR 100.0 %

98.0 %

67.8 %

15. UNIT AVAILABILITY FACTOR 100.0 %

98.0 %

67.8 %

16. UNIT CAPACITY FACTOR (Using MDC) 100.6 %

98.0 %

65.0 %

17. UNIT CAPACITY FACTOR (Using Design MWe) 100.6 %

98.0 %

65.0 %

18. UNIT FORCED OUTAGE RATE 0.0%

0.0%

21.7 %

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19. SHUTDOWNS SCHEDULED OVER NEXT 6 MONTHS (TYPE, DATE, AND DURATION OF EACH):

Scheduled 24-hour outage on June 28,1997 to allow control rod drop testing and a scheduled 35 day refueling outage to begin on September 13,1997.

20. IF SHUTDOWN AT END OF REPORT PERIOD, ESTIM.ATED DATE OF STARTUP: N/A

AVERAGE DAlI Y UNIT POWER LEVEL 4

l DOCKETNO. 50-498 UNIT 1 DATE Ipn.9.I997 COMPLETED BY R.L. Ilill TELEPHONE 512 972-7667 MONTH MAY DAY AVERAGE DAILY POWER DAY AVERAGE DAILY POW 11R LEVEL LEVEL 1

(MWe-Net)

(MWe-Net) i l

1259 17 1257 2

1259 18 1256 3

1259 19 1255 4

1259 20 1258 5

1263 21 1256 6

1254 22 1256 l

7 1263 23 1256 8

1259 24 1255 9

12 5_8 25 1255 10 1260 26 1253 11 12L6 27 1257 12 1260 28 1254 13 1276 29 1262 14 1259 30 1259 15 1259 31 1253 16 1256 l

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UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKETNO. 50-498 UNIT I COMPLETED BY R.L. Hill DATE Jun.9.1997 TELEPHONE 512 972-7667 REPORT MONTH MAY 1

2 3

4 5

No.

Date Type Duration Reason Method of Licensee System Component Cause & Corrective Action to Prevent Recurrence (Hours)

Shutting Event Code Code Down Report #

Reactor THERE WERE NO UNIT SHUTDOWNS OR SIGNIFICANT POWER REDUCTIONS DURING THE REPORTING PERIOD

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1 2

3 4

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F: Forced Reason:

Method:

IEEE 805-1983 IEEE 803-1983 S:. Scheduled A-Equipment Failure (Explain) 1-Manual l

l B-Maintenance or Test 2-Manual Scram C-Refueling 3-Automatic Scram D-Regulatory Restriction 4-Cont. of Existing l

E-Operator Training & License Exam Outage F-Administrative 5-Reduction G-Operational Error (Explain) 9-Other H-Other (Explain) 4 I

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PORVS AND SAFETY VALVE

SUMMARY

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There were no PORV or Safety Valves challenged dunng ine reporting period.

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l SOUTH TEXAS PROJECT ELECTRIC GENERATING STATION UNIT 2 MONTHLY OPERATING REPORT MAY 97 IlOUSTON LIGHTING AND POWER CO.

NRC DOCKET NO. 50-499 LICENSE NO. NPF-80 l

Reviewed By:

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'I" 97 T.E. UNDERWOOD Date I

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68 11 Approved By: GygSt D,.

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MONTilLY

SUMMARY

l STPEGS Unit 2 began the reporting period shutdown due to a manual trip initiated on April 30 at 2158. The unit was retumed to service on May 2, at 1736 and achieved full power on May 4, at 0342.

1 On May 18, at 0032 the unit was removed from service to allow replacement of the protective cover on the B phase isophase bus duct to the 2B Main Transformer. The unit was returned to senice at 1400 and achieved full power on May 19, at 0528.

The unit operated for the remainder of the reporting period at full power with no unit shutdowns or significant power reductions.

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OPERATING DATA REPORT l

DOCENT. 50-499 UNIT 2 DATE lun.9.1997 COMPLETED BY R.L. Hill TELEPHONE 512 972-7667 OPERATING STATUS 1.

REPORTING PERIOD: 5/1/97-5/31/97 GROSS HOURS IN REPORTING PERIOD:

744 2.

CURRENTLY AUTHORIZED POWER LEVEL (Mwt): 3800 MAXIMUM DEPENDABLE CAPACITY (MWe Net): 1250.6 DESIGN ELECTRICAL RATING (MWe-Net): 1250.6 3.

POWER LEVEL TO WHICH RESTRICTED (IF ANY) (MWe-Net): None 4.

REASONS FOR RESTRICTION (IF ANY): N/A THIS MONTil YR TO DATE CUMULATIVE 5.

NUMBER OF HOURS REACTOR CRITICAL 708.6 3.125.1 49.679.5 6.

REACTOR RESERVE SHUTDOWN HOURS 0

0 0

7.

HOURS GENERATOR ON LINE 688.9 3.048.9 48.241.4 8.

UNIT RESERVE SHUTDOWN llOURS 0

0 0

9.

GROSS THERMAL ENERGY GENERATED (MWH) 2.532.961 11 286,910 178.103.540 m

10. GROSS ELECTRICAL ENERGY GENERATED (MWH) 8f>2.685 3 861.266 60.610.547

11. NET ELECTRICAL ENERGY GENERATED (MWH) 823.3 I I 3.692.979 57.80M55

12. REACTOR SERVICE FACTOR 95.2 %

86.3 %

71.3 %

13. REACTOR AVAILABILITY FACTOR 95.2 %

86.3 %

71.3%

14. UNIT SERVICE FACTOR 92.6 %

84 2 %

(39.2%

15. UNIT AVAILABILITY FACTOR 92.6 %

84.2 %

69.2 %

16. UNIT CAPACITY FACTOR (Using MDC) 88.5 %

81.5 %

66.3 %

17. UNIT CAPACITY FACTOR (Using Design MWe) 88 5 %

81.5 %

66.3 %

18. UNIT FORCED OUTAGE RATE 7.4%

4.7%

21.3 %

19. SHUTDOWNS SCHEDULED OVER NEXT 6 MONTHS (TYPE. DATE. AND DURATION OF EACH):

N/A l

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20. IF SHUTDOWN AT END OF REPORT PERIOD. ESTIMATED DATE OF STARTUP: N/A l

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AVERAGE DAILY UNIT POWER LEVEL i

DOCKETNO. 50-499

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UNIT 2 1

DATE Lun.9.1997 i

l COMPLETED BY R.L. Hill TELEPHONE 11] 972-7667 MONTH MAY f

DAY AVERAGE DAILY POWER DAY AVERAGE DAILY POWER LEVEL LEVEL I

(MWc-Net)

(MWe-Net) 1 0

17 1104 2

46 18 185 3

4_17 19 1214 4

1244 20 1252 5

1255 21 1252 i

i 6

1257 22 1252 7

1216 23 1253 8

1256 24 1213 9

1256 25 1252 10 L25_7 26 1251 j

i 11 1259 27 1249 12 1218 28 1248 13 1258 29 1254 14 1253 30 1254 i

15 1254 31 1248 16 1257 l

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m UNIT SilUTDOWNS AND POWER REDUCTIONS l

DOCKETNO. 50-499 UNIT 2 l

DATE lun.9.1997 COMPLETED BY R.L. Ilill l

TELEPHONE 512 972-7667 i

REPORT MONT11 MAY 1

2 3

4 5

No.

Date Type Duration Reason Method of Licensee System Component Cause & Corrective Action to Prevent Recurrence (flours)

Shutting Event Code Code Down Report #

Reactor 97-05 970430 F

41.6 A

4 2-97-006 SJ ECBD A manual trip was initiated due to low water Ictri on D steam generator. A failed driver controller card resulted in loss of control to the main feedwater regulating valve.

The driver controller card was replaced.

97-06 970518 F

13.5 A

1 N/A EA BU The unit was remmrd from senice to allow replacement of the pmtective cover on the B phase isophase bus duct to the 2B Main Transformer.

I 2

3 4

5 F: Forced Reason:

Method:

IEEE 805-1983 IEEE 803-1983 S: Scheduled A-Equipment Failure (Explain)

'-Manual B-Maintenance or Test 2-Manual Scram C-Refueling 3-Automatic Scram D-Regulatory Restrictien 4-Cont. of Existing E-Operator Training & License Exam Outage F-Administrative 5-Reduction G-Operational Error (Explain) 9-Other Il-Other (Explain)

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l PORVS AND SAFETY VALVE

SUMMARY

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There were no PORV or Safety Valves challenged during the reporting period.

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