ML20056D729

Monthly Operating Rept for Jul 1993 for Millstone Nuclear Power Station,Unit 3

ML20056D729
Person / Time
Site:	Millstone
Issue date:	07/31/1993
From:	Doboe L, Haynes H NORTHEAST NUCLEAR ENERGY CO., NORTHEAST UTILITIES
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
MP-93-638, NUDOCS 9308170384
Download: ML20056D729 (6)

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190RTHEAST UTILITIES cene, i on,ce,. scmen 31,,,,. ee,nn. connecuco, 1

Id. NUI-"I' 'N P O. BOX 270 EI IN HARTFORD. CONNECTICUT 06141-0270 A [wsw[ss [eaa ww. rw,-

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(203) 665-5000 m

n Re: 10CFR50.71(a)

August 11, 1993 MP-93-638 U. S. Nuclear Regulatory Commission Document Control Desk Washington, D.C. 20555

Reference:

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

Dear Sir:

In accordance with the reporting requirements of Technical Specifications Section 6.9.1.5, the Millstone Nuclear Power Station - Unit 3 Monthly Operating Report 93-08 covering operation for the month ofJuly is hereby forwarded.

Very tmly yours, NORTHEAST NUCLEAR ENERGY COMPANY FOR: Stephen E. Scace Director, Millstone Station BY:

Harr3T.

jn Director, A ills ne Unit 1 Attachment cc:

T. T. Martin, Region 1 Administrator P. D. Swetland, Senior Resident Inspector, Millstone Unit Nos 1,2 & 3 V. L. Rooney, NRC Project Manager, Millstone Unit No. 3 osm2 ' nEv 4:ss 9308170384 930731

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• • • • • • • NRC OPERATING STATUS REPORT COMPLETED BY REACTOR ENGINEERING *******

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.l 1.

DOCKET.... 50-423 OPERATING STATUS' j

2.

REPORTING PERIOD... JULY 1993 OUTAGE + ONLINE HOURS.. 23.0

+ 721.0- = 744.0 3.

UT ILI TY CONT ACT.................L. C. Doboe 203-447-1791 x 6076 4.

LICENSED THERMAL P0WER..........................................

34t1

• MILLSTONE

• n 5.

NAMEPLATE RATING (GROSS MWE).................................'..

1,253 MW

UNIT 3-6.

DESIGN ELECTRICAL RATING (NET MWE).............................

1,153.6 f

7.

MAXIMUM DEPENDABLE CAPACITY (GROSS MWE)........................

1,184.2 3

}:

8.

MAXIMUM DEPENDABLE CAPACITY (NET MWE).......................... 1,137.0 l:

9.

IF CHANGES OCCUR ABOVE SINCE LAST REPORT, REASONS ARE...........

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[

. N/A I

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10. POWER LEVEL TO WHICH RESTRICTED, IF ANY (NET MWE)...............N/A i

11. REASON FOR RESTRICTION, IF ANY....W/A L

MONTH YEAR TO DATE 1MJLATIVE TO DATEi 2

=

======

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12. HOURS IN REPORTING PERIOD.

744.0 5,087.0 63,767.0

.13. NUMBER OF HOURS THE REACTOR WAS CRITICAL 726.2

.4,891.8 47,929.9 1

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14. REACTOR RESERVE SHUTDOWN HOURS 0.0 0.0 6,466.51 4

1

15. HOURS GENERATOR ONLINE 721.0 4,825.5.

46,956.5

16. UNIT RESERVE SHUTDOWN HOURS O'.0 0.0 c

. 0.0.

17. GROSS THERMAL ENERGY GENERATED '(MWH).

2,382,199.0 16,060,804.0 153,251,1C2.6

-l"

18. GROSS ELECTRICAL ENERGY GENERATED (MWH) 800,617.5 _

5,464,147.5~

52,782,386.1~

19. NET ELECTRICAL ENERGY GENERATED (MWH) 758,997.0

. 5,185,404.0 50,172,671.3 5 j

20. UNIT SERVICE FACTOR

%.9 l 94.9

. 73.6 '

21. UNIT AVAILABILITY FACTOR-96.9 94.9 73.6

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22. UNIT CAPACITY FACTOR (USING MDC NET).

89.7 89.7 69.1-23.' UNIT CAPACITY FACTOR (USING DER NET) 88.4 88.4 -

68.2

.24. UNIT FORCED OUTAGE RATE 0.0 4.7.

17.5-l

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25. UNIT FORCED OUTAGE HOURS 0.0' 238.5 1

~9,970.9 1

-SHUTDOWNS SCHEDULED OVER NEXT SIX MONTHS (TYPE, DATE, AND DURATION OF EACH)..,...........

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'N/A-IF CURRENTLY SHUTDOWN, ESTIMATED STARTUP DATE......Septenber 29 1993' e

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AVERAGE D AILY UNIT POWER LEVEL DOCKET NO: 50-423 UNIT:

MILLSTONE UNIT 3 DATE:

Aucust 7.1993 COMPLETED BY:L C. Doboe 203-447-1791 x 6076 l

l MONTH July 1993 l

DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWE-NET)

(MWE-NET) l 1

109g 16 1079 2

1096 17 1070 3

1097 18 1067 4

1095 19 1054 5

1097 20 104g l

l 6

1091 21 1038 l

l 7

1094 22 1032 8

1092 23 1025 l

9 1992 24 1018 10

'1088 25 1010 l

11 1092 26 1003 ll 12 logg 27 994 l

13 1089 28 987 14 1087-29 984 15 1085 30 876 l

31 0

4 U NIT SIIUT D O W N S A N D PO W E R R E D U CTIO N S DOCKET NO:

50-423 UNIT:

MILLSTONE UNIT 3 -

DATE:

August 7.1993 COMPLETED BY: L. C. Doboe TELEPIIONE:

_203-447-1791 x 6076 Number Date Type Duration Reason Method of Licensec System Component Cause and Corrective Action to Prewnt (1)

(Hours)

(2)

Shutting Event Report Code Code Recurrence Down the Number (4)

'(5)

Reactor (3) 93-04 930731 S

23 C

1 N/A N/A N/A N/A 1; h 2; Reasons:

3; Method 4: IEEE Standard 805-1984 F: Forced A Equipment Failure (Explain) 1 Manual S: Scheduled -

B Maintenance or Test 2 Manual Scram 5:

IEEE Standard 803A-1983 C Refueling 3 Automatic Scram D Regulatory Restriction 4 Continued from Previous Month E Operator Training & License 5 Power Reduction Exam (Duration = 0)

F Administrative 9 Other(Explain)

G Operational Error (Explain)

H ~ Other

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R EFU ELING IN FO RM A TION R EOU EST July 1993

1. Name of facility: Millstone 3.

2. Scheduled date for next refueling shutdown: July 30.1993 CurrentJyin Refuel Outage

3. Scheduled date for restart following refueling: September 291993

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

Yes

5. Scheduled date for submitting licensing action and supponing information.

Submitted March 15.1993

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

Millstone Unit 3 current fuel design incproorates a stainless steel skeleton and zircalov fuel cladding design. Cycle 5 feed assemblies will utilize zirlo fuel rod cladding:

selected assemblies willincorporate a zirlo skeleton. A Technical Specification change was submitted as per question 5 above.

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

(a): 193 (b): 332

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 requested.

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

' End ofcycle 5.