ML20058H921

Monthly Operating Repts for Oct 1990 for Byron Nuclear Power Station

ML20058H921
Person / Time
Site:	Byron
Issue date:	10/31/1990
From:	Orris K COMMONWEALTH EDISON CO.
To:
Shared Package
ML20058H911	List: ML20058H906 ML20058H912 ML20058H917 ML20058H921
References
NUDOCS 9011260146
Download: ML20058H921 (13)

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MONTHLY-PERFORMANCE REPORT.

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i li; . Monthiv Report [pr Byron UNIT l'for the month of October 19 E l n.. '

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A. 'S"- ar.y of Operatina*Egpgrience for Unit 1 T

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The) unit ~ began lthis reporting period in Mode 1 (Power Operation) at.

. approximately,96.4 V power.. The unit operated at power levels of up to

'. - 100V forfthe reo sinder of the month. '

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4 lh___0PERATIttG DATA _ REP _0RT DOCKET NO.: 050-454 UNIT: Byron One DATE: 11/09/90 COMPILED BY: K. Crris TELEPHONE: (815)234 'i441 x2444 OPERATING STATUS

1. Reporting Period October, 1990. Gross Hours: 745

2. Currently Authorized Power Level 3411 (MWt) -

Design Electrical Rating: 1175 (MWe-gross)

Design Electrical Rating: 1120 (MWe-net)

Max Dependable Capacity: 1105 (MWe-net)

3. Power Level to Which Restricted (If Any): N/A

4. Reasons for Restriction (If Any):

THIS MONTH YR TO DATE CUMULATIVE *

5. Report Parlod Hrs.- 745 7,296 44,929

6. Rx-Critical Hours 745 5,712.1 36,252.1

7. Rx Reserve Shutdown Hours 0 0 38

8. Hours Generator on Line 745 5,635.1 35,729.1

9. Unit Reserve Shutdown Hours 0 0 0-110. Gross _ Thermal Energy (MWH) . 2,395,450 17,179,504- 108,439,944 11.-Gross Elec. Energy (MWH) _817,206 5,827,856 36,572,274

12. Het Elec. Energy (MWH) 781,162 5,506,743 34,484,775

'13. Reactor Service Factor 100 78.3 80.7 ,

14. Reactor Availability Factor 100 78.3 80.8

15. Unit Service Factor 100 77.2 79.5

16. Unit Availability Factor 100 77.2 79.5.

17. Unit Capacity Factor (MDC net) 94.9 68.3 69.5

18. Unit Capacity Factor (DER net) 93.6 67.4 68.5

19. Unit Forced Outage Hrs. 0 171.9 1,228.9

20. Unit Forced Outage Rate 0 3.0 3.3

21. Shutdowns Scheduled Over Next 6 Months: None

22. If Shutdown at End of Report Period, Estimated Date of Startup:

23', Units in Test Status (Prior to Commercial Operation): None

• Note - The cumulative numbers do not reflect power generated prior to commercial service.

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(0625H,0062M/3) l

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CmAYERAGE _ DAILY Ul[lT POWELLLEVEL i

DOCKET NO.: 050-454 UNIT: Dyron One DATE: 11/09/90 COMPILED BYt K. Orris TELEPHONE: (815)234-5441 x2444 MONTil October, 1990 DAY AVERAGE DAILY POWER LEVEL (MWe-Net)

1. lQ.ft9 JfW 16. 1069 MW

2. 1056 MW 17. 1075 MW

3. 1011 MW 10. 1Q63 MW

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987 MW 19. 1Q26 MW

5. 19.09 MW 20. 1.QA2_.14W

6. _. 1147 MW 21. 1002 MW

7. 1005 MW 22. 1078 MW

8. 1Q22._MW 23. 1079 MW 9.: 1085 MW 24 1063 MW "10. 1Q14 MW 25. 1034 MW

'11. 1109 MW 26. 997 MW

12. 1079 MW 27. '989 MW

'13. 1064 MW 28. 1054 MW

14. 986 MW 29. 1Q13 MW

15. 1087 MW 30, 1035 MW

31. 1120 MW INSTRUCTIONS On this form list the average daily unit power level in MWe-Het for each day in the reporting month. Compute to the nearest whole megawatt. These figures will be used to plot a graph for each reporting month. Note that when maximum dependable capacity is used for the net electrical rating of the unit there may be occasions when the dally average power level exceeds the 100% line (or the restricted power level line.) In such cases the average daily unit power output sheet should be footnoted to explain the apparent anomaly.

(0625M/0062M/4)

• • • me*********************

R; port Period October, 1990 UNIT SHIT! DOWNS / REDUCTIONS

• BYRON. *

(UNIT 1) **************************

No. Date T me Hours Reason Method LER Number System Component Cause & Corrective Action to Prevent Recurrence NO SHUTDOWNS OR REDUCTIONS FOR.. UNIT 1 co*oce*********

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• c e trA*sse*eeseen TYDE Reason Method System & Component F-Forced A-Equip Failure F-Admin 1-Manual Exhibit F & H 5-Sched B-Maint or Test G-Oper Error 2--Manual' Scram Instructions for C-Refueling E-Other 3-Auto Scram Preparation of D-Regulatory Restriction 4-Continued Data Entry Sheet E-Operator Training 5-Reduced Load Licensee Event' Report

& License Examination 9-Other (LER) File (NUREG-Ol61)

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(0625kZ0062M/5) e. ~+

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.. ,a E u URIM E..REEORIIRG_RE.QUIREHERIS (UNIT 1) for thgagnth.of OctohgI_1910

1. Safety / Relief valve operations for Unit One.

VALVES NO & TYPE PLANT DESCRIPTION DATE ACIMATED ACTUATION CONDITION OF EVENT None.

'2. -Licensee generated changes to ODCM. (Y/N)

No

-3. Indications of-failed fuel. (Y/N) i No Fuel Reliability Indicator: FRI = 2.0E-4 pC1/cc (0625M/0062M/6)

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F. LICENSEE _ EVENT REPORTS (URIT 1) -

The following is a tabular summary of all Licensee Event Reports for i Dyron Nuclear Power Station, Unit One, submitted during the reporting period,

. October 1 through October 31, 1990. This information is provided pursuant to j

[ the reportable occurrence reporting requirements as set forth in 10CFR 50.73.

Occurrence Licens.an_ItenLEerntLitumhet Data Iltle of Ottuunnte j 90-012 09/06/90 Auxiliary Feedwater discharge ,

t isolation valves design inadequacy.

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(0625M/0062M/7)

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-l II. Monthly _EngoLL_Litr_ Byron _ UNIT 2 for tha month of Octaher 1990 A. SummaryJI_Qpsidnq_Exp3rMate f or Unit i n: The unit was in a refuel outage for the entire menth, i

'(0625M/0062M/8)

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D ..__0PERATINGJATA_Rf, PORT DOCKET NO.: 050-455 UNIT Dyron Two DATES- 11/09/90 COMPILED BY: K. Orris

, TELEPHONE: (815)234-5441 x2444 OPERATING STATUS

1. Reporting Periods- October, 1990. Gross Hours: 745 i.

i 2. Currently Authorized Power Level 3411 (MWt) h Design Electrical Rating: 1175 (MWe-gross)

Design Electrical Rating: 1120 (MWe-net)

Max Dependable Capacity: 1105 (MWe-net) i

3. Power Level to Which Restricted (If Any): N/A

4. Reasons for Restriction (If Any):

L THIS MONTH YR TO DATE CUMULATIVE *

5. Report Period llrs. 745 7,296 28,033

6. Rx Critical Hours 0 5,684.8 23,749.8

7. Rx Reserve Shutdown Hours 0 0 0

"= ~ 8. Hours' Generator on Line 0 5,670.6 23,355.6

9. Unit Reserve Shutdown Hours 0 0 0

10. Gross Thermal Energy (MWH) 0 16,149,731 61,717,340

11. Gross Elec. Energy (MWH) 0 5,517,320 20,862,128

'12. Net Elec. Energy (MWH)- -9,809 5,193,093 19,583,229

13. Reactor Service Factor .0 77.9 84.7

14. Reactor Availability Factor 0 77.9 84.7

15. Unit Service Factor 0 77.7 83.3

16. Unit Availability. Factor 0 77.7 83.3 17.- Unit Capacity ' Factor (MDC net) 0 64.4 63.2

18. Unit Capacity Factor (DER net) 0 63.6 62.4

'19. Unit Forced Outage Hrs. 0 26 845

20. Unit Forced Outage Rate 0 0.4 3.5

21. Shutdowns Scheduled Over Next 6 Months: None

22. If Shutdown at End of Report Period, Estimated Date of Startup: 11/23/90

23. Units in Test Status (Prior to Commercial Operation): None

• Note - The cumulative numbers do not reflect power generated prior to commercial service.

(0625M/0062M/9)

4-4 Ca___AYIRAGLDAILY UNIT EQHEILLEYEL DOCKET NO. 050-455 UNIT Byron Two DATE: 11/09/90 COMPILED BY: K. Orris TELEPHoHE: (815)234-5441 x2444 MONTH: October, 1990 DAY AVERAGE DAILY POWER LEVEL (MWe-Net)

1. .- -13 MW 16. -13 MW 2.. -13 MW 17. -13 MW 3.- -13 MW 18. -lj_MW i

6. , -13 MW 19. -L3 MW

,5. -13 MW 20. -13 MW

6. -13 MW 21. -1LMW -

7. -11 MW 22. -n JfA

8. -13.MW 23. -la,JiW

9. -13 MW 24. -13 MW'

10. -13 MW . 25. -13 MW

11. _ - -13 MW 26. -13 MW K-

12. -13 MW 27. -13 MW

13. -13 MW 28. -13'MW l

14. -13 MW ___ 29. 13 MW

15. -13 MW 30. -13 MW

31. -13 MW

INSTRUCTIONS On this form list the average daily unit power level in MWe-Net for each day in the reporting month. Compute to the nearest whole megawatt. These figures will be used to plot a graph for each reporting month. Note that when maximum dependable capacity is used for the not electrical rating of the unit there may be occasions when the daily average power level exceeds the 100% line (or the restricted power level line.) In such cases the average daily unit power output sheet should be footnoted to explain the apparent anomaly.

(0625M/0062M/10)

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• • • • • • • • • • • • • • • • • • • • • • • eme

' gds *' BYRON

• Report Period October, 1990 UNIT SHUTDCWNS/REDT (LWIT'2) - **************************

Tygg Hours Reason Method LER Nnmher System Component Cause & Corrective Action to Prevent Recurrence No. Date Unit is still in refueling outage (B2R02) 7 S 745 C moeco**********

• Susumary

• eeeceeme****me*

Reason Method System & Component TYPE 1-Manual Exhibit F & H F-Forced. A-Equip Failure F-Achain Instructions for S-Sched B-Maint or Test G-Oper Error 2-Manual Scram 3-Auto Scram Preparation of C-Refueling .H-Other Data Entry Sheet D-Regulatory Res riction 4-Continued .

5-Reduced Load- Licensee Event Report E-Operator Training

& License Examination 9-Other (LER) File (NUREG-0161) e

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.E w uM10UK EEEORII)jQ REQUIREMENTS (UNIT 2) for t.hmLh of OcipherlREQ 1.: . Safety / Relief valve.! operations for Unit Two.

VALVES- NO & TYPE PLANT- DESCRIPTION DATE ACTUATED ACTUAIloti . C0 TID 1110ti OF EVENT None L- ,

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'2. Licensee generat.ed - changes to ODCM. (Y/N)

No.

3. - Indications!of failed fuel. '(Y/N)

'N/A. .UnitLiss in' refuel outage. Ultrasonic testing of fuel was performed to identify leaking fuel rods. Fuel' assembly. reconstitution was performed to remove all failed fuel rodlets  !

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E d lfENSEE.IYINI_.EEEDRIS_UINIT.2)

The followir4, is a tabular summary of all Llconsee Event Repotts for

'Eyron Nuclear Power Station, Unit Two, submitted during the reporting period, October 1 through October 31, 1990. This information is provided pursuant to the reportable occurrence reporting requirements as set forth in 10CFR 50.73.

Occurrence

' Lisens et_EYent_Repor1_Hanhar Date Iltle. 0LQcc.urrence 90-006 09/03/90 Inadvertent Train A safety injection signal due to mlscommunication and procedural deficiency.90-007 09/28/90 ECCS throttle ve.J .e found ,

closed due to procedural deficiency.90-008 09/29/90 Dropped fuel assembly during recont.tltution.

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(0625M/0062M/13)