ML20053C259

Monthly Operating Rept for Apr 1982

ML20053C259
Person / Time
Site:	San Onofre
Issue date:	05/03/1982
From:	Hanaford T SOUTHERN CALIFORNIA EDISON CO.
To:
Shared Package
ML20053C249	List: ML20053C248 ML20053C259
References
NUDOCS 8206010611
Download: ML20053C259 (5)

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. NRC MONTHLY OPERATING REPORT DOCKET NO 50-361 DATE 3 May 1982 COMPLETED BY iT _D. Hanaford TELEPHOSE 71T-9TF7700 Ext. /uq OPERATING STATUS

1. Unir Name: San Onofre. Unit 7

2. Reporting Period: 1 April 1982 - 30 Aoril 1982

3. Licensed Thermal Power (MWt): 169.5 MWt

4. Nameplate Rating (Gross MWe): 1127 MWe S. Design Electrical Rating (Net MWe). 1087 MWe

6. Masimum Dependable Capacity (Gross MWe): 1127 MWe

7. Masimum Dependable Capacity (Net MWe): 1087 MWe

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.lf Any (Net MWel: N/A so. Reasons For Restrictions. If Any: Unit is in initial startuo chase of testino.

This Month Yr..to.Date Cumulatise II. Hours in Reporting Period 71 9 1775 1775

12. Number Of Hours Reactor Was Critical 0 0 0

13. Reactor Resene Shutdown Hours n 0 0

14. Ilours Generator On-Line 0 0 0

15. Unit Resene Shutdown flours 0 0 0 0 0 0

16. Grcis Thermal Energy Generated (MWH) 17 Gross Electrical Energy Generated (MWH) 0 0 0 lb. Net Electrical Energy Generated (MWH) 0 0 n

19. Unit Senice Factor 0 0 0

20. Unit Availability Factor 0 0 0

21. Unit Capacit.s Factor (Using MDC Net, 0 0 0

22. Unit Capacity Factor (Using DER Net) 0 0 0 0 0 0

23. Unit Forced Outage Rate

24. Shutdowns Scheduled Oser Nest 6 Month-(Type.Date.and Duration of Eacht:

N/A

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

2ti. Units in Test Status IPrior to Commercial Operationi: Forecast Achiesed INITI \ L CRITICA LITY 5/31 /82 INiTI AL ELECTRICITY 7 /11/R2 COMMERCIAL OPER ATION 8/15/82 82060106#

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DOCKET NO. _50-361 UNIT San Onofre. #2 DATE - 3 May 1982 COMPLETED BY T. D. Hanaford TELEPHONE 714-492-7700 Ext. 704 MONTH April DAY AVER AGE D AILY POWER LEVEL DAY AVER AGE D AILY POhER LEVEL (Mhe Ned (ywe.Neo I O 0 37 2 0 18 0 3 0 19 0 __

4 0 20 0 5 0  :: 0 6 0 0 72 7 0 0 23 8 0 24 0 9 0 0 25 10 0 0 26 1: 0  :: 0 12 0

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UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO. 50-361 UNIT N AME San Onofre #2 <

t. DATE 3 MdY l982 REPORT MONTil Aoril COMPLETED BY T. D. Hana ford i- TELL* HONE 714-492-7700 Lxt. IU4 i

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l I 2 1 4 l~ : I'niced Reason - Mettiod: 1.ntubis F . Instinctioin S S lintoled A l quipment I duec (linplain) 1-Manual los Psepas.iiion of f)ata It-M.anienance or Test 2 Manual Scram. 1:nie) Shech los I scemce 1 D Rel'ucting 4- Automatic Scr.un. l~went Hep..a ll l RI file (NilRI G.

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SUMMARY

OF OPERATING EXPERIENCE FOR THE MONTH O

DOCKET NO. 50-361 UNIT SONGS 2 DATE 3 Ma_y 1982 COMPLETED BY T. D. Hanaford TELEPHONE 714-492-7700 Ext. 704 There were no challenges to the safety valves during this reporting period.

Date/ Time Event April 1, 0001 Unit 2 in Mode 5. Low Pressure Safety Injection pump 2P016 on Shutdown Cooling, approximately 3600 gpm.

RCS level 6 3/4" above flange, fill and vent in progress. RCS boron concentration is 1875 ppm.

Boric Acid Makeup discharge line to FV0210V clogged; RCS emergency boration paths are via gravity feed lines.

April 19, 0425 Entered Mode 4.

April 25,1340 Entered Mode 5 due to time requirements of Tech.

Spec. 3.4.5.2. Reactor Coolant System check valve leak rate unsatisfactory.

April 27, 2047 Entered Mode 4 to retest RCS check valve leakage.

April 28, 2150 RCS inventory balance surveillance, S023-3.37, unsatisfactory at 12.7 gpm. Unidentified leakage in excess of 1 gpm.

April 28, 2230 Unusual Event declared at Unit 2.

April 29,1448 Terminated Unusual Event. RCS leakage reduced to acceptable limits.

April 29,1545 Initiated plant shutdown to Mode 5 due to excessive '

RCS pressure boundary isolation valve measured leak-age.

April 30, 0140 Entered Mode 5. RCS <200 F.

April 30, 2359 Plant in Mode 5; temperature 124 F; RCS depressur-ized: pressurizer level is at 10%.

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REFUELING INFORMATION b

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DOCKET NO. 50-361 UNIT SAN ONOFRE - UNIT 2 DATE 3 May 1982 COMPLETED BY T. D. Hanaford TELEPHONE (714) 492-7700 Ext. 704

1. Scheduled date for next refueling shutdown.

Approximately 17 months after start of commercial operation

2. Scheduled date for restart following refueling.

N$t yet determined.

3. Will refueling or resumption of operation thereafter require a Technical Specification change or other license amendment?

Not yet determined.

What will these be?

Not yet determined.

4. Scheduled date for submitting proposed licensing action and supporting information.

Not yet determined. f

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

new or different fuel design or supplier, unreviewed design or performance analysis methods, significant changes in fuel design, new operating procedures.

Not yet determined.

6. The number of fuel assemblies.

a) In the core 217 b) In the spent fuel storage pool. 0

7. Licensed spent fuel storage capacity. 800 Intended change in spent fuel storage capacity. K/A

8. Projected date of last refueling that can be discharged to spent fuel storage pool assuming present capacity.

Not yet determined.

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