ML19282B968

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Monthly Operating Rept for Feb 1979
ML19282B968
Person / Time
Site: North Anna Dominion icon.png
Issue date: 03/02/1979
From: Wil Madison
VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:
Shared Package
ML19282B965 List:
References
NUDOCS 7903190178
Download: ML19282B968 (5)
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Text

i VIRGIflIA ELECTRIC AfiD P0'JER CCMPAtlY I;0RTH Atti:A PO'.lER STATI0t1 M0i1TilLY OPERATII;G REPORT l'OrlTli February EAR Y 1979 SUBMITTED:

.%\)m% mo~

SURE8fBiCIDE!1T - STAT 10:1 OPERATI0tlS APPROVED:

b'fNh0k$ '

MAflAGg/

7'703/90/78

OPERATING DATA REPORT DOCKET NO. 50-338 DATE turch 2, 1979 C051PLETED BY __ !1 R Madison TELEPl!ONE 703-894-5151 OPERATING STATUS t' orth Anna Notes

2. Reporting Period: Fobnnrv 1070
3. Licenwd Thermal Power (51Wt): 2776 ,
4. Nameplate Rating (Grou 51We): 947
5. Design Electrical Rating (Net 31We): 907
6. 51aximum Depenlable Capacity (Gross 51We): 928
7. 51axirnam Dependable Capacity (Net 51We): 898 S. If Changes Occur in Capacity Ratings (Items Number 3 Through 7) Since Last Report. Gise Reasons:

fl/A

9. Power Level To which Restricted,if Any (Net alwe): II/A
10. Reasons For Res:rictions,If Any: II/A Thii 5f onth t r..t o.Da t e Cumulatise 672 1,416 6,433
11. Hours In Reportmg Period
12. Number Of Hours Reactor was Critical 60_L 5 1.250.2 5M7
13. Reactor hesene Shutdown flours 0 _ . .

0 0

14. Hours Generator On.Line 600.3 1,241 5,892.7
15. Unit Reserve Shutdown Hours 0 0 0
16. Gross Thermal Energy Generated (51WH) 1,601,344 3,311m 509 15.508.304 17 Gross Electrical Energy Generated (.\1WH) 509,720 __ l.054,185 4.964.6??
18. Net Electrical Energy Generated (51WH) 480,460 993,870 4,658.450
19. Unit Service Factor 89.3 87.6 91.6
20. Unit Availability Factor 89.3 8/.6 91.6
21. Unit Capacity Factor (Using 51DC Net) 79.6 78_? pn f2_
22. Unit Capacity Factor (Using DER Net) 78.8 77.4 79.8
23. Unit Forced Outage Rate l2 8.2 2.7
24. Shutdowns Scheduled Over Next 6.\tonths (Type. Date and Duration of Each):

Snubber Insoection flarch 1979,1 t 4

25. If Shut Down At End Of Report Per od, Estimated Date of Startup:
26. Units In Test Status (Prior to Cornmercial Operation): Forecast Achieved INITIAL CRITICALITY INITIAL ELECTRICITY Cost %1ERCIAL OPERATION F'/77 )

TVEf M;E Dalg,y UNIT POWER I EVEL DOcKE f NO. _50-338 UNIT MA 1 flarch 2, 1979 DATE CO\f?LEIED fly I' R. Madison T ELEPilONE 703-894-5151 3!ON1;j pbruary 1979 __

DAY AVER AGE Dally POWEl! l.EVEL D Ai- AVER AGE DAILY POWER LEVEL (3; w Neo (5!We Net; 0

, 808 I7 2

0 806 Is 148 808 3 -- 19 -.

4 778

~

20 805 5 006 808 21 6

802 812 22 7 80d 23 _816 8 810 24 737 9 810 551 25 go 809 818

,6 810 823 33 .,7 12 809 819 2s 13 807

'9

~

,4 809 30 15 803 3r 16 799 INSTRUCTIONS e d:n!y unit p mer lesel in Mwe. Net for each day in the icporting month. Compute to ff r 'are t [,f : ,

(9/77 )

50-333 UNITSIIUIDOWNS AND POWER REDUCTIONS DOC NO.

nur 3-1-79 February 1979 costPLETED IiY A 'i d M '"'

REPORT MONTil TEl-EPl!ONE 70b Cd-4 M X 229 No. Date jg 'h )E Licensee ,E -t, ,hg Cause & Corrective Action to i 53 4 2. ~ s Event {g c-. ~j H jE $ ~g5 Report ?t wU $U v

Present Recurrence 6

79-1 790127 F 64.4 A 1 ,

Manual reactor, turbine-nenerater shutdown due to c::cessive unidenti-fied prinary plant leakage. Repack-ed ':0V-1700 recidual acat removal system isolation valve; also, outage was c: tended for other primary and secondary maintenance.

79-2 790224 F 7.2 B ': 4* Leak of electro h'/d raulic fluid from pump discharge header. Welded leak.

No action necessary te prevent recurrence.

I 2 3 4 F: Forced Reason: Method: Exhibit G -Instructions S: Scheduled A. Equipment Failure (Explain) 1 -Ma n ual for l'icpaution of Data B. Maintenance of Test 2 Manual Scram. Entr> Sheets foi Licensee C. Refueling 3. Automatic Scram. Event Report (1.ER) File (NURI G-D-Regulatory Restriction 4-Other (1.xplain) 0161)

E. Operator Training & License Ext.mination F-Administ rative 5 G-Operational Error (Explain) Exhibit I- Same Source (9/77) Il-Other (Explain)

  • See Attached Sheet

Page 1 of 1 UNIT SHUTD0',-ll1 Afl0 P0'.lER REDUCTIC:lS EXPLAf!ATION SHEET DOCKET i;0. 50-338 REPORT MO.'1Til February VilIT FLAME florth Anna YEAR 1979 DATE flov . 1, 1978 COMPLETED BY A. G. fleufer f;o te: January Report Reported Shutdo.in f;u:nber 78-33 incorrectly. It should be changed to 79-1.

flo te: Shutdown 79-1 was concluded at 1624 on 2-3-79. 64.4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br />.

79-2 (B) flydraulic fluid, used to control the nain turbine governor valves and trip valves had begun to leak from a joint in the EHC pump discharge header several days earlier. The unit was shutdown over the weekend to facilitate maintenance. The' joint was rewelded and the unit was returned to service af ter 7.2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br />.

79-2 (4) Reactor was not shutdown.

I

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