ML20206A978

Monthly Operating Rept for Oct 1988 for Millstone Unit 3

ML20206A978
Person / Time
Site:	Millstone
Issue date:	10/31/1988
From:	Elms A, Scace S NORTHEAST NUCLEAR ENERGY CO., NORTHEAST UTILITIES
To:	NRC OFFICE OF ADMINISTRATION & RESOURCES MANAGEMENT (ARM)
References
MP-12443, NUDOCS 8811150306
Download: ML20206A978 (5)

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1888811 NRC OMRATING liATUS MPORT COMPLifE0 if At4C10R ENGINitRING 11 1888 r

1. 00Citi.... 50-423 OPERAi!NGSTATUS

2. MPORi!N6 PERIOD.. 0CTOK R ltM OUTA6C + ONLINE HOUR $.. 313.0 +431.0 745.0

3. UilLITY C0NTACT.................A. L. Et,MS 203 444 5388 Illisillilit;

4. LICEN$tt THERMAL P0NER.........................................

3411 iMILLITONEI

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5. NAMEPLATE RATIN6 (940$$ Mut)...................................

1,253 MN IUNif3 1

6. N 519N ELECTR I C AL R Ai! N6 ( Ntf Mut )............................. 1,153. 6 tillittlltill

7. Mall u M M NDA RE CAPAClif (6R0$$ MW)........................

1,197.0

1. MAIIMUR t!PENM BLE CAPACITY INET Mut)..........................

1,141.9 l

9.

IF CHAN6tl 0CCUR ASOYE $1NCE LAST REPORT, MASONS AM...........

I N/A

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10. P0stR LEvtl TO NHICH RtliRICitD, IF Auf (NET Mut)...............N/A f

!!. RfA$04 FOR REliRICil0N,1F Auf....N/A MONTH TEARTODATE CURVLAllVE if. Mit l

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12. HOUR $INREPORilNGPERICD 745.0 7,320.0 22.152.0

13. NUMKR OF HOURS THE MACTOR NAS CRITICAL 443.9 5,879.9 17,643.4 i

14. REACTOR RESCRyt SHutt0NW HOUR $

301.1 321.3 547.3

15. HOUR $ 6tNERAf04 ONLINE 432.0 5,676.9 17,267.4 l

16. UNIT H 5tRvt SHUTDONN NO@ $

0.0 0.0 0.0 i

17.6ROSSTHERMALE>tR6Y6tutRAftD(PuH) 1,437,174.0 11,914.319.0 57,273,751.4

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ll.640$$ELECTRICALINER6fGENER4ftD(MuH) 490,030.5 6,573,892.5 19,713.165.5

19. Nti ELECTRICAL ENER6f GENERAft) (PuH) 459,647.3 6,263,340.6

!!,166.972.5 r

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20. UNIT SERVICE FACIOR 51.0 77.6 77.9

!!. W!! AVA!LAl!Llif FACTOR 50.0 77.6 77.9 22.U41TCAPAClifFACICR(U$1N6P.*CNtil 54.0 74.9 74.5 I

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23. UNIT CAFAtlif FACTOR (U$1N6 NR Nti) 53.5 74.7 73.8 I

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24. L41T FORCil CUTA$t Raft 42.0 10.8 f.3 l

25. UN!i F03CtB 09fA6E HOURS 313.0 658.7 1,763.2 l

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$WitC#N$ $>[DUlt3 CYtt ulli !!! PCNTHS (TIFT. CAf t, AND DWAflCN CF EACM)..............

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if CWEbflY SHUTCCoN, ($f t'tATED liMILP CAf t......hevt+ter 619il I

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8811150306 631031 ADCCV05004{3 I

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UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO. 50-423 i

UNIT Millstone Unit No. 3 a

DATE October 31, 1988 COMPLETED BY Al Elms TELEPHONE (203) 444-5388 REPORT MONTH October 1988 Page 1 of 1 Method of l Licensee I

Cause & Corrective Duration Shutting l

Event Syeiem Component Action to No.

Date Type (1)

(Hours)

Reason (2)

Down Reactor (3) I Report #

Code Code Prevent Recurrence 38-04 10-S-89 F

77.1 A

3 68-023-00 SB USV Reactor trip when #3 MSIV went full close during partial stroke valve testing.

38-05 10-22-88 F

234.9 H

2 88-024-00 KE SCN Manual reactor trip due to increasing condenser pressure caused by storm int ced clogging of screerrcash system.

See LER for J

subsequent corrective

)

action.

1 2

3 4

-F:

Forced

' Reason:

~ Method:

-Exhibit G - Instructions 5:

Scheduled A - Equipment Failure (Explain) 1 - Manual for Preparation of Data B - Maintenance or Test 2 - Manual Scram Entry Sheets for C - Refueling 3 - Automatic Scram Licensed Event Report 0 - Regulatory Restriction 4 - Continued from (LER) File (NUREG-0161)

E - Operator Training & License previous month Examination 5 - Power Reduction 5 F - Administrative (Duration = 0)

Exhibit 1 - Same Source i

G - Operational Error (Explain) 9 - Other (Explain)

H - Other (Explain)

E s

AVERAGE DAILY LNIT KHER LEVEL DCCKET 10. __ 50-423 Uti1T tillintone Unit 3 DATE 11-02-1988 CCtfLETED BY 1. L. Itns 101144 5111 iOtfD{ OC'IDRG DAY AVERAGE DAILY KHER LEVEL DAY AVERAGE DAILY KEER LEVEL

(!friE-t1ET)

(WE-lihT) i 1

1.127 16 1 119 2_

i.123 17 1.099 3

1. HS 18 1.139 4

1.119 19 1.128 5

628 20 1.125 6

0 21 1.129 7

0 22 208 8

13 23 0

9 631 24 0

10 1.120 25 0

11 1.122 26 0

12 1.120 27 0

13 ___

_. 1.128 28 0

14 1.129 29 0

15 1.H5 30 0

31 0

s Docket No. 50-423 Date: October 31, 1988 Completed By: Al Elms Telephone: (203)447-5388 REFUFLING INFORMATION REQUEST 1.

Name of facility:

Millstone 3 2.

Scheduled date for next refueling shutdown:

May 20, 1989 3,

Schedule date for restart following refueling: July 13, 1989 4.

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

1. Technical Specification related to high enriched fuel that will be loaded for cycle 3 end subsequent cycles.

2. Technical Specification related to containment operating pressure (from 10 psia to 14.2 psia).

5.

Scheduled date(s) for submitting licensing action and supporting information:

1.

High Enriched Feal:

11/30/88 2.

CTHT Pressure:

12/15/88 6.

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:

t 1.

Cycle 3 fuel enrichment is higher than th,ag resent fuel rack analysis 2.

New fuel design to implement use of Inter al fuel Burnable Absorbers

~~~

and Natural Uranium Axial Blankets.

l 7.

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

(a) 193 (b) 84 8.

The present licensed spent fuel poos 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 increass requested.

9.

The proj/cted 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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Y NORTHEAST UTILITIES o.n.r.i On.c... s.w.a street. seri'a Conn +ciat

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H ARTFORD. CONNECTICUT 061414270 L

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(203) 665 500o Novomber 9, 1988 MP-12443 Re:

10CFR50.71(a)

U. S. Nuclear Regulatory Commission Document Control Desk Washingtnn D. C. 20555

Reference:

Facility Operating Lice" e 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 88-11 covering operations for the month of October is hereby forwarded.

Yours truly, NORTHEAST NUCLEAR ENERGY COMPANY ll}l4 '

M Cf ~

Stephhn E. Scace Station Superintendent Millstone Nuclear Power Station SES/AE:jlm Attachment cc:

Regional Administrator, Office of Inspection and Enforcement, Region I Director, Office of Inspection and Enforcement Washington, D.C.

(10)

Director, Of fice of Resource Management W. J. Raymond, Senior Resident Inspector fly t

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