ML20079P421

Monthly Operating Rept for Oct 1991 for Millstone Unit 3.W/

ML20079P421
Person / Time
Site:	Millstone
Issue date:	10/31/1991
From:	Elms A, Scace S NORTHEAST NUCLEAR ENERGY CO., NORTHEAST UTILITIES
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
MP-91-944, NUDOCS 9111120414
Download: ML20079P421 (5)

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NOR1MEAST UTILITIES o.nero ort.ce.. see.n sue.i. cerw. Connecucui N2*21 E Y52 P o DOX 270 um.co -yo u.*

HARTFORD CONNECTICUT 06)41-0270 j 7[,((((j((jZ, t203) 665 5000 L

L November 7, 1991 MP-91-944 Re: 10Cf R50.71(a)

U.S. Nuclear Regulatory Comraission Document Control Desk Washington, D.C. 20S55

Reference:

Facility Operating License No. NPF-49 Docket No. 50-423

Dear Sir:

In accordance with reporting requirements of technical specifications Section 6.9.1.5, the Millstone Nuclear Power Station - Unit 3 Monthly Operating Report 91-11 covering opera-tion for the month of October is hereby forwarded.

Very truly yours, NORTHEAST NUCLEAR ENERGY COMPANY

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ace Director, Millstone Station Attachment cc: T.T. Martin, Region I Administrator W.J. Raymond, Senior Resident inspector, Millstone Unit Nos.1,2 & 3 V. L Rooney, NRC Project Manager, Millstone Unit No.1 and 3 y6 9f11120414 911031 i

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• • • • • • • hRC OPERAtlNG ST ATUS REPORT COMPLE t[D SY RE ACIDR E ngl AEE R ikG ** ** ***

1 DOCKET.... 50 423 DPERAlthG STATUS

+

0.0

= 745.0 2.

R E POR ilNG PE Rl 00...DCT OBE R 1991 OU1 AGE

• ONtikt kOURS.. 745.0 3.

Ul l L I T Y CONT ACT................. A. L. E l ms 203 444-53S8 4.

L I C E N S E D T H E R MA L P0WE R........................................ 3411

• MILLStowf

• 5.

hAME PL ATE rat LNG (GROSS MWE )................................ 1,253 MJ

• Uwl1 3 6.

DESIGN ELECTR IC AL R AllhG (hEl MJE ).......................... 1,153.6 7 KAX14JM DEPENDABLE CAPAC117 (CROSS MdE)...

..... 1,164.2 8.

MAX I MUM DEPE ND ABL E CAP ACI T T (NE T MJE )....................... 1,137.0 9 I F CHANGES OCCUR ABOVE SINCE L AST RE PCR T, RE ASONS ARE...........

h/A

..N/A

10. POWER LEVIL 10 WHICH RESTRICIED, IF AkT (hti MJt)...

11. RE A%DN FDR RESTRIC110N, if ANY....N/A MDhiH YEAR 10 DATE CUMUL Ai!VE TO DATE 3...

12. HOURS IN REPORilNG PERIDD 745.0 7,296.0 4' 432.0

13. NUMBER OF HOURS THt PE AttDR WAS CRlitCAL 0.0 2,962.2 36,547.3

14. RE ACTOR RESERVE SM*JfDOWN HPJRS 745.0 2,6*S.5 4,174.4

15. HOURS CthEE AIDR 0*!LlhE 0.0 2,85?.3 35,817 8

16. UNIT RESERVE SHUTDOVW HOURS 0.0 0.0 0.0

17. CROSS INERKAL ENERGY GE"* RATED (MWH) 0.0 8,879,334.0 116.944,146.0

19. GRORS ELECTRICAL ENERGY CENERATED (MWM) 0.0 3,042,285.0 40.351,261.5

19. NET [LECTRICAL ENERGY GENERATED (MWH) 4,965.3 2,854,6/6.1 38,428,285.6

20. UNIT SERvlCE FACTOR 0.0 39.1 74.0

21. LNii AVAILABILITY FACfDR C.0 39.1 74.0

22. UNIT CAPACITY FACTOR (USING MDC NET) 0.0 34.4 69.6

23. UNIT CAPACITY F ACTOR (USING DER "c')

0.0 33.9 68.8

24. UNif FORCED OUTAGE RATE 100.0 48.5 14.9

25. UNIT FORCED DUTAGE HOURS 745.0 2,686.6 6,265.1 SHUTDOWNS SCHEDULED OVER NEXT SIX MONTHS (TYPE, DATE, AND DURATION OF EACH)..

N/A IF CURRENTLY SHU1DOWN, EsilMATED ST ARTUP CATE.

..hoveser 15 1991

i-AVERAGE DAILY UNIT POWER LEVEL DOCKET NO.

50-423 UNIT MitlSTONE UNITJ DATE November 5.1991 COMPLETED BYA. t. rims 203-444-5388 MONTH October 1991 DAY AVERAGE DAILY POWER LEVEL DAY AVERACE DAILY POWER LEVEL (MWE NET)

(MWE NET) 1 0

16 0

2 0

17 0

3 0

18 0

4 0-19 0

5 0

20 0

6 0

21 0

7 0

22 0

8 0

23 0

9-0 24 0

10 0

25 0

11-0 26 0

12 0

27 0

13-0 28 0

14-0 29 0

-15 0

30 0

31 0

V

+

m

DOCKET NO. 50-423 UNIT SHUTDOWNS AND POWER REDUCTIONS UNIT NAME MILLSTONE 3 DATE 11-5-91 COMPLETED BY A. Ts. Elms TELEPHONE (203) 444-5388 No.

Date Type Dura-Reason Method of Licensee System Component Cause and Corrective (1) tion (2)

Shut down Event Code Code Action to Prevent Hours Reactor (3)

Rept No.

Prevent Recurrence Unit shutdown month of 91-03 10/01/91 F

745.0 A

4 91-019-00 BI PSP July due to clogged diesel generator service water heat ex-changer caused by mus-sels. Sgrvicq water sys-tem piping disassembled, cleaned and inspected.

Refer to LER for more de-tails.

1: F: Forced 2: Reasons:

3: Method 4: Exhibit G - Instructions S: Scheduled A-Equipment Failure (Explain) 1-Manual for Preparation of, Data B-Maintenance or Test 2-Manual Scram EntW Sneets for Licensee C-Refueling 3-Automatic Scram Event Report (LER) File D-Regulato n Restriction 4-Continuad from (NUREG-Ol61)

E-Operator Traininc & License Exam previous month F-Administrr.tive 5-Power Reduction 5: Exhibit 1 - Same Source G-Operational Error.(Explain)

(Duration = Q)

H-Other 9-Other (Explain)

i i

l REFUELING INFORMATION REOUEST October 1991 1.

Name of facility: Millstone 3.

- 2.

Scheduled date for next refueling shutdown: November 7.1992 - under evaluatiori due to current foIced outane.

2 Scheduled date for restart following refueling: lanuary 2.1993 - under evaluatiOD due to current forced outage.

4.

Will refueling or resumption of operation thereafter require a technical specification change or other license amendments?

N/A 5.

Scheduled oo.e for submitting licensing action and supporting information.

N/A 6.

Important licensing considerations associated with refueling, e.g., new or different fuel design or supplier, unreviewed design of performance analysis methods, sigr ifi-cant changes in fuel design, new operating procedures:

N/A 7.

T he number of fuel assemblies (a) in the core and (b) in the spent fuel storage pool:

(a): 121 (b): 246 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:

Present size - 756.

No increase renuested.

9.

The projected date of the last refueling that can be discharged to the spent fuel pool assuming the present licensed capacity:

End of cycle 5.

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