ML20005G744

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Monthly Operating Rept for Dec 1989 for TMI Unit 1
ML20005G744
Person / Time
Site: Three Mile Island Constellation icon.png
Issue date: 12/31/1989
From: Hukill H, Smyth C
GENERAL PUBLIC UTILITIES CORP.
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
C311-90-2003, NUDOCS 9001230023
Download: ML20005G744 (7)


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.,. i GPU Nuclear Corporation Nuclear

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  • o Middletown, Pennsylvente 17057-0191 717 944 7621 TELEX 84 2386 ~

Writer's Direct Dial Number:

January 13, 1990.

C311-90-2003 U. S.; Nuclear Regulatory Commission P

Attn: Document Control Desk l

Washington, D.C.

20555-l

Dear Sir:

i Three Mile Island Nuclear Station, Unit.I-(TMI-1)'

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Operating-License No.' DPR-50

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l Docket'No. 50-289 Monthly Operating Report December 1989' Enclosed are two copies of the December 1989 Monthly Operating Report.for.Three Mile Island Nuclear Station, Unit 1.

Sincerely,-

H. D. Hukill Vice President & Director,-TMI-1 HDH/WGH:spb cc:

W. Russell, USNRC F. Young, USNRC I

Attachments i

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l 9001230023 891231 i

{'DR ADOCK 05000289

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GPU Nuclear Corporation is a subsidiary of the General Public Utilities Corporation

ll OPERATIONS SUt94ARY DECEMBER 1989 It was previously reported that the plant tripped on November 29 due to a fault in the turbine electrohydraulic control system. The unit was returned to service and on the grid at approximately 6:00 a.m. on December 1, 1989.

The plant was operated at 100% power until December 15, when useful core life at 100% power was reached and a slow power reduction to coastdown for the BR refueling outage was initiated.

MAJOR SAFETY RELATED MAINTENANCE During December, the following major maintenance activities were per.ormed'on safety-related equipment:

Emergency Diesel Generator EG-Y-1B Emergency Diesel Generator EG-Y-1B was removed from service in December to perform the scheduled annual inspection and to accomplish modifications.. All inspections were completed with no deficiencies found. The modifications completed included the installation of a high crankcase pressure trip reset circuit, the elimination of a diesel generator breaker indicating light sneak circuit, the installation of an air start solenoid valve test switch,.

installation of an "ES" test light for the stop push button and replacement of an up to frequency relay. Upon completion of the annual inspection and' modification work, the diesel was satisfactorilly tested per the test sequence and returned to service.

Liquid Waste Disposal System Valve WDL-V-272 Valve WDL-V-272 was removed from service to replace a broken stem.

A new bonnet assembly was withdrawn from warehouse stock and installed on.the existing valve body.

Reassembly of-the valve was completed with installation of the valve chain operator. The valve was tested satisfactorilly and returned to service.

Air Intake Tunnel Fire Service Piping at FS-V-178 The Air Intake Tunnel Fire Service piping was removed from service in December.

to replace a split section of pipe. The split was attributed to the freezing.

of residual water in the piping.

A weep hole was drilled into the replacement piping section to permit draining. Upon completion of the work, the Fire Service piping was declared operable and returned to service.

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Auxiliary and Fuel Handling Building Exhaust Filters AH-E-2 A/B/D The charcoal filters in the Aux'111ary and Fuel Handling Building Ventilation Exhaust (AH-E-2 A/B/D) were replaced after failing a halide leak test.

One-hundred and two charcoal filters were replaced in each of the filter units. AH-E-2 A and D tested satisfactorilly after the filter replacement but AH-E-2B failed.

The filters in the B unit were replaced a second time and the unit retested. The retest was satisfactorilly completed and the three units were returned to service.

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e OPERATING DATALREPORT-

' DOCKET NO.

'50-289 ei o

DATE' 12-31 ' COMPLETED BY) C.W, -Smyth TELEPHONE (717)-948-8551 OPERATING STATUS A

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1 1.- UNIT.NAME:

THREE MILE' ISLAND UNITil-1.

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REPORTING: PERIOD:

DECEMBER (,1989i li 11 7

3.

LICENSED' THERMAL POWER (MWT):-

2568.'s I,

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NAMEPLATE RATING (GROSS MWE):

871.-I",

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( ' 5;LDESIGN-ELECTRICAL RATING (NET MWE):

L819.--l l'

6.-MAXIMUM DEPENDABLE CAPACITY (GROSS'MWE):i

856 L. I t

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7.. MAXIMUM DEPENDABLE CAPACITY (NET MWE)"\\

808. il E Jl' l

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IF CHANGES OCCUR IN (ITEMS 3-7) SINCE'LAST/ REPORT,-JGIVE REASONS:"'

. 39-

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9EPOWER LEVEL TO WHICH RESTRICTED, IF:ANY (NET _.MWE)

10. REASONS FOR RESTRICTIONS, IF ANY:

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THIS} MONTH 'Y.R-TO-DATEi '.CUMMULATIVE :

11,> HOURS.IN REPORTING PERIOD

. ( 7 4 4.'.

8760..~'

1134401..

12. NUMBER OF' HOURS REACTOR WAS CRITICAL 741;..!

38717'.2' f61990.6s '

13. REACTOR RESERVE SHUTDOWN HOURS'

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16.-GROSS THERMAL ENERGY GENERATED-(MWH) 1769455.

22212789.I 149571894.

'17.-GROSS ELECTRICAL ENERGY-GENERATED-(MWH)' f614222.

7632284.x

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18... NET ELECTRICAL-ENERGY GENERATED!(MWH)

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10. UNIT SERVICE, FACTOR

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20. UNIT AVAILABILITY FACTOR; 99.2 99.5 45.4
21. UNIT-CAPACITY FACTOR (USING MDC NET)

96;2 102.0 144.8-

22. UNIT CAPACITY FACTOR-'(USING DER NET) 94.9' 100.6 42.9:

l 123.. UNIT FORCED' OUTAGE RATE 0;8s lO15

'49.7.

'24.

SHUTDOWNS SCHEDULED OVER NEXT 6 MONTHS.(TYPE, DATE. AND DURATION OFjEACH

<1 8R: Refueling Outane 1/5/90 - 3/5/90 4

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25. IF SHUT DOWN AT END OF REPORT PERIOD, ESTIMATED DATE;OF STARTUP:.

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AVERAGE DAILY UNIT POWER LEVEL

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DOCKET;NO.-

50-289 UNIT ~

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DATE 12-31'-89' COMPLETED BY.' C.W. Smyth TELEPHONE - (717) 948-8551 MONTH:- DECEMBER l

DAY

$UERAGE DAILY. POWER LEVEL

^ DAY-AVERAGE. DAILY POW'ER-LEVEL (MWE-NET)

(MWE-NET).

1 424'.

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REFUELING INFORMATION REQUEST 1.

Name of Facility:

Three Mile Island Nuclear Station, Unit 1 2.

Scheduled date for next refueling shutdown: _

January 5,1990_(8R) 3.

Scheduled date for restart following refueling: March 5, 1990 (BR) 4.

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

No If answer is yes, in general, what will~ these be?

If answer is no,.has the reload fuel design and core -

configuration been reviewed by your Plant Safety Review-o Committee to determine whether any unreviewed safety questions are associated with the core reload (Ref. 10 CFR Section 50.59)? No If no such review has taken place, when is it scheduled?

January 15, 1990 5.

Scheduled dato(s) for submitting proposed licensing action and supporting information: None Planned h

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:

None 7.

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

(a) 177 (b) 360 i

8.

The present licensed spent fuel pool storage capacit'y and the size of any increase in licensed storage capacity that has been requested or is 1

l planned, in number of fuel assemblies:

The present licensed capacity is 752.

Planning to increase licensed capacity through fuel pool reracking is in process.

9. -

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

1991 is the last refueling discharge which allows full core off-load capacity (177 fuel assemblies).

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,,oca,T oo UNfi SHUTDOWNS AND POWER REDUCT80N5 RNST MAB8E MI-I DATE 12/31/89 mits a C. W. M W1 1989 m 171'11 9,tR-nss i

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6 Unit trip was attributed to an DEC 89-01 11/29/89 F

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malfunction. Testing revealed a loose shield wire on the input frun the primary speed sensor at TB150-3. The wire was tightened and no other loose connections were found.

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