ML20059K159

Monthly Operating Rept for Aug 1990 for Zion Generating Station

ML20059K159
Person / Time
Site:	Zion File:ZionSolutions icon.png
Issue date:	08/31/1990
From:	John Thomas COMMONWEALTH EDISON CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
Z6D-90-016, Z6D-90-16, NUDOCS 9009210189
Download: ML20059K159 (11)

Text

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,o Commonwealth Edison

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September 12, 1990 Z6D-90-016 i

U.S. Nuclear Regulatory Commission Document Control Desk-Washington, DC 20555

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1

Dear Str:

1 Enclosed please find the Operating Status Report for the month of August, 4

1990 for Zion Generating Station.

sv T.P. Joyce l Station Maniger Zion Station TPJ/JT/jl Enclosure.

cc: M. Hallace A. B. Davis (NRC)

J. Leider j

M. S. Turbak i

H. Naughton T. J. Kovach D. R. Eggett j

INPO Div. of Eng. Health State of Illinois Tech Staff File Director, Office of Inspection I

and Enforcement Master File 4

i 2406o(1)-

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OPERATING DATA REPORT DOCKET NO._50-295 DATE 09-10-90 COMPLETED BY J. ThQmis TELEPHONE _[708) 746-2084-OPERATING STATUS 1.

Ud t Name:

Zion Unit 1 2.

Reporitng Period: 9000 900801 to 2400__900831 Notes 3.

Licensed Thermal Power (MHt):

3150 4.

Nameplate Rating (Gross MHe):

1085 5.

Design Electrical Rating (Net MWe):

1040 6.

Maximum Dependable Capacity (Gross MWe):_ 1085_.

7.

Maximum Dependable Capacity (Net MWe):

1040 8.

If Changes occur in Capacity Ratings (Items Number 3 Through 7) Since Last Report, Give Reasons:

N/A 9.

Power Level To Which Restricted, If Any (Net MWe):

N/A

10. Reasons For Restrictions, If Any:

N/A This Month Yr-to-Date Cumulative

11. Hours In Reporting Period 744.0

_LB3LD___

146.111.0

12. Number Of Hours Reactor Has Critical

_6fL3 2.944.0

'10L.024 6

13. Reactor Reserve Shutdown Hours 0.0 0.0

.,2.621.8 i

14. Hours Generator On-Line 652.7

_._.2J 2 3._5 97.923.2

15. Unit Reserve Shutdown Hours

.(LO Q.0 0.0

16. Gross Thermal Energy Generated (MHH) LB.9L391 7.717.983, 2142210A52_

J

17. Gross Electrical Energy Generated (MHH)_628.157 2.592.070 91.664.879

18. Net Electrical Energy Generated (MHH) _5.E8.277

_1d37.445 67.0

19. Unit Service Factor 87.7 45.0

_87.144401_ _

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20. Unit Availability Factor 87.7 45.0 l

21. Unit Capacity Factor (Using MDC Net) 76.0 40.2 67.0 57.3

22. Unit Capacity Factor (Using DER Net) 76.0 40.2 57.3 t-l

23. Unit Forced Outage Rhte 12.3 49.9 14.5

24. Shutdowns Schedulec Over Next 6 Months (Type, Date, and Duration of Each):

l

25. If Shut Down At End Of Report Period, Estimated Date of Startup:

26. Units In Test Status (Prior to Commerical Operation):

Forecast Achieved s

l INITIAL CRITICALITY l

INITIAL ELECTRICITY COMMERCIAL OPERATION 2406o(2)

l y

l OPERATING DATA REPORT DOCKET NO._JJL-30JL i

DATE 09-10-90 COMPLETED BY J. Thomas TELEPHONE-(708) 746-2084 l

OPERATING STATUS i

1.

Unit Name:

Zion Unit 2 t

2. _ Reporting Period: 0000 900801 to 2400 900831_

Notes 3.

Licensed Thermal Power (MHt):

3250 4.

Nameplate Rati'ig (Gross MWe):

._1015 i

5.

Design Electrical Rating (Net MWe):

1040 l

6.

Maximum Dependable Capacity (Gross MWe):_lD81 _

7.

Maximum Dependable Capacity (Net MWe):

1040 8.

If Changes Occur in Capacity Ratings (Items Number 3 Through 7) Since Last I

Report, Give Reasons:

N/A 9.

Power Level To Which Restricted, If Any (Net MWe):

N/A

10. Reasons For Restrictions, If Any:

N/A j

This Month Yr-to-Date Cumulative i

11. Hours In Reporting Period 744.0

.5.831.0 139.824.0

12. Number Of Hours Reactor Has Critical 127.1

_1.537.8 101.648.8

13. Reactor Reserve Shutdown Hours 0.0 0.0 226.1

14. Hours Generator On-Line 46.6 1.442.3 98.879.3 l

15. Unit Reserve Shutdown Hours 0.0 0.0 0.0

16. Gross Thermal Energy Generated (MHH) 57.281 4.142.485-293.612 132_-

17. Gross Electrical Energy Generated (MWH)...15.632 1.381.186 93.786.951-

18. Het Electrical Energy Generated (MHH) 3.267 1.286.662 89.253.9.52_

19. Unit Service Factor 6.3 24.7 70.7

20. Unit Availability Factor 6.3 24.7'

-70.7

21. Unit Capacity Factor (Using MDC Net) 0.4 21.2 61.4

22. Unit Capacity Factor (Using DER Net) 0.4 21.2

_61 4 i

23. Unit Forced Outage Rate 0.0 14.5 14.5

24. Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each):

25. If Shut Down At End Of Report Period, Estimated Date of Startup:

26. Units In Test Status (Prior to Commerical Operation):

Forecast Achieved INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION 2406o(3)

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UNIT SHUTDONNS AND PONER REDUCTIONS DOCKET NO.

50-295 UNIT NAME Zion Unit 1 DATE 09-07-90 COMPLETED BY J. Thomas TELEPHONE (708) 746-2084 REPORT MONTH AUGUST Duration l Method of Licensee Cause & Corrective j

2 System Component No.

Date

_,sype (Hours)

Reason Shutting Event Action to 4

5 Down Report #

Code Code Prevent Recurrence 3

Reactor 2

900813 F

91.3 G

2 Turbine trip / reactor trip due to operator on wrong unit.

f 1

2 3

4 i

F: Forced Reason:

Method Exhibit G - Instructions i

S: Scheduled A-Equipment Failure (Ex;;1ain) 1-Manual for Preparation of Data B-Maintenance of Test 2-Manual Scram Entry Sheets for Licensee C-Refueling 3-Auto Scram Event Report (LER) Flie D-Regulatory Restriction 4-Continued (NUREG-0161)

E-Operator Training & Licensee Examination 5-Reduced Load F-Administrative 5

G-Operational Error (Explain)

Exhibit 1 - Same Source H-Other (Explain) 2406o(4)

N: o a s ece a ew e-w e

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UNIT SHUTDONNS AND POWER REDUCTIONS DOCKET NO. _50-295 UNIT NAME Zion Unit 2 DATE _Q9-07-90 COMPLETED BY J. Thomas TELEPHONE (708) 746-2084 REPORT MONTH Auaust Duration Method of Licensee Cause & Corrective 2

System Component Action to No.

Date Type (Hours)

Reason Shutting Event Down Report #

Code Code Prevent Recurrence 3

Reactor 1

900321 5

697.3 C

4 Continued Refueling Outage.

1 2

3

.4 F: Forced Reason:

Method Exhibit G - Instructions S: Scheduled A-Equipment Failure (Explain) 1-Manual for Preparation of Data B-Maintenance of Test 2-Manual Scram Entry Sheets for Licensee 3-Auto Scram Event Report (LER) File C-Refueling 4-Continued (NilREG-0161)

D-Regulatory Restriction E-Operator Training & Licensee Examination 5-Reduced Load F-Administrative 5

G-Operational Error..(Explain)

Exhibit Same Source H-Other (Explain) 2406o(10)

_ _ = -. - _

AVERAGE DAILY UNIT POWER LEVEL DOCKET NO..50-295 UNIT __ Zion Unit 1 DATE_Q9/07/90 COMPLETED BY J. Thomas TELEPHONE _1108) 746-2084-HONTH_._Augus t DAY AVERAGE DAILY PONER LEVEL DAY AVERAGE DAILY POWER LEVEL (MHe-Net)

(MHe-Net) 1 873 17 126 2

926 18 405 3

972 19 989 4

1017 20 980 5

960 21 965 6

892 22 90f_.

?

914 23 869 8

899 24 937 9

885 25 866 10 986 26 891 0

11 998 27 993 12 999 28 977 13 661 29 939 14

-29 30 898 1

15

-31 31 879 16

-31 INSTRUCTIONS On this format, list the average daily unit power level in MWe-Net for each day in the reporting month. Compute to the nearest whole megawatt.

l 2406o(13) l

AVERAGE DAILY UNIT POWER LEVEL DOCKET NO.._5D-3D4 UNIT-Zien Un1t 2 DATE 09/10/90 COMPLETED BY J. Thomas TELEPHONE (708) 746-2084 MONTH Augus.t -

DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (HHe-Net)

(HWe-Net) 1

-13 17

-22 2

-13 18

-14 3

-13 19

-13 4

_ _ -13 20

-13 5

-13 21

-13 6

-13 22

-14 i

7

-13 23

-14 8

-13 24

. -14 9

-13 25

-14 10

-13 26

-14 11

-13 27

-14 12

-13 28

-14 13

-17 29

-14 14

-25 30 267 15

-31 31 322 16

-31 INSTRUCTIONS On this format, list the average daily unit power level in HWe-Net for each day in the reporting month.

Compute to the nearest whole megawatt.

I 2406o(14)

1 AUGUST

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SUMMARY

OF DPERATING EXPERIENCE I

UN11_1 The Unit entered the reporting period at a power level of 700 MWe (66%

reactor power).

1 On 8/13/90 at 1710 hours0.0198 days <br />0.475 hours <br />0.00283 weeks <br />6.50655e-4 months <br />, Unit I had a manual turbine / reactor trip due to I

operator on wrong unit. On 8/16/90 at 2254 hours0.0261 days <br />0.626 hours <br />0.00373 weeks <br />8.57647e-4 months <br /> the unit became critical i

and on 8/17/90 at 1226 hours0.0142 days <br />0.341 hours <br />0.00203 weeks <br />4.66493e-4 months <br /> the Unit was synchronized to the grid. The unit ended the report period at the power level of 1015 MWe (97.7%. reactor 1

power) and having an availability factor of 87.7%.

1 UMll_2 The unit entered the report period in a refueling outage. On 8/26/90 at 1658 hours0.0192 days <br />0.461 hours <br />0.00274 weeks <br />6.30869e-4 months <br /> the unit became critical and on 8/30/90 at 0121 hours0.0014 days <br />0.0336 hours <br />2.000661e-4 weeks <br />4.60405e-5 months <br /> the unit was synchronized to the grid. The unit ended the report period at a power level of 354 MWe (38% reactor power) and having an availabil.ity factor of f

6.3%.

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l ausun MAJOR SAFETY RELATIILMAINTENAKE Iguloment Name Work' Performed j

(UNIT 1)

No Major Safety Related Maintenance (UNIT 2) 2B Diesel Generator Replaced turbocharger due to bearing failure.

Pressurizer Power Operated Repaired limitorque Relief Valve operator.

Block Valve 2MOV-RC8000A i

s 9

6 8

8 i

f i

4 2

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i REFUELING INFORMATION RE00EST i

Questions:

l 1.

Name of facility.

4 2.

Scheduled date for next refueling sautdown.

l 3.

Scheduled date for restart following refueling.

4.

Hill refueling or resumption of operation thereafter rcquire a technical specification change or other license amendment?

If answer is yes, what, in general, will these be?

If answer is no, has the reload fuel design and core configuration been reviewed by your Plant Safety Review Committee to detr aine whether any unreviewed safety questions are associated with the core reload (Ref. 10 CFR Section 50.59)?

If no such review has taken olace, when is it scheduled?

5.

Scheduled date(s) for submitting proposed licensing action and-supporting information.

6.

Important licensing considerations associated with refueling, e.g.,

new or different fuel design or supplier, unreviewedtdet :i or

?

performance analysis methods, significant changes in fuel design, new operating procedures.

7.

The number of fuel assemblies: (a) in the' core and (b) in the spent fuel storage pool.

8.

The present licensed spent fuel pool storage capacity and the size of any increase in licensed storage capacity that has been requested or is planned, in number of fuel assemblies.

9.

9ie projected date of the last refueling that can be discharged to the spent fuel pool assuming the present licensed capacity.

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. Unit'1 - Answers J

1..

Zion Unit 1 1

2.

Cycle 12 is scheduled to shutdown September 2, 1991 for refueling.=

3.

Cycle 13 is scheduled to start up November 11, 1991.

J 4.-

Yes. Technical Specification changes will'be required to include-the Hescinghouse VANTAGE-fuel design being loaded for Z1C13, and effects of the vessel, fluence-reduction program beginning with Z1C13.

l 5.

License amendments'for the Z1C13 reload are expected to be submitted in.the Fall of 1990. '

6.

License considerations associated with.the Z1C13 reload-include the j

new VANTAGE fuel design,-andithe new LOCA analysis.with higher core

,l

-power peaking factors required for;the low-low-leakage _ loading-pattern used in Z1C13.

7..

The number.of fuel assemblies a) in the core is 193, and b) in the spent fuel storage pool.from Zion Unit 1 is 708..

1 8.

The present licensed spent fuel pool storage capacity (shared with Zion-Unit 2) 1s=2112 fuel assemb11es.

Plans.are being developed to; 4

rerack the Spent Fuel Pool: to increase storage capacity to 3137.

assemblies.

9.

Zion Station will lose full core-discharge capability-(for both 3

units) in May 1993, at the end of Unit 2 Cycle 13, based on the latest Nurlear Stations Refueling Schedule.

Full-core discharge capabd liy for a single core <will be~ lost In November, 1994, at-the.

end of dait 2 Cycle 14.

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Latris.t i

ion Unit 2 i.

Cycle.11 officially. entered: refueling on March 22,1 990.

1 3.

Thr unit was synchronized'to the grid for cycle 12 operation on August 30, 1990.z 4.

To be supplied next month, s

5.

To be supplied next month.

6.-

To be supplied next month..

7.

The number of fuel ~ assemblies a) in the c' ore'is 193, and b) in the spent fuel storage pool from-Zion Unit 2~1s 740..

8.

The present licensed spent' fuel pool storage capacity (shared-with.

Zion Unit 1) is 2112 fuel: assemblies.

Plans are.being developed to t

rerack the Spent FuelcPool to increase storage capacity-to:3137 t

assemblies.

9.

Zion Station will lose full. core discharge'capabilityL(for!both units) in May 1993, at the end of Unit 2 Cycle 13, based:on the latest Nuclear Stations Refueling Schedule. ' Full' core discharge.

capability for a single core will'be lost 11n November,fl994; at the end of. Unit 2 Cycle-14.

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