ML20043H647

Monthly Operating Rept for May 1990 for TMI Unit 1. W/900615 Ltr

ML20043H647
Person / Time
Site:	Three Mile Island
Issue date:	05/31/1990
From:	Heysek W, Hukill H GENERAL PUBLIC UTILITIES CORP.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
C311-90-2086, NUDOCS 9006260234
Download: ML20043H647 (6)

Text

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1' OPU Nucteer Corporation -

Post Office Box 480 m

Md e n, P nnsylvania 17057 0191 717 944 7621 TELEX 84 2386 Writer's Direct Dial Number:

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, June 15, 1990 l' C311-90-2006 I

l; U. S. Nuclear Regulatory Commission Attn: Document Control Desk ,

Washington, D.C. 20555 l l

Dear Sir:

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i Three Mile Island Nuclear Station, Unit I (THI-1) operating License No. DPR-50 "

Docket No. 50-289 -l Monthly operating' Report  !

May 1990 Enclosed are two copies of the May,.1990 Monthly operating Report for Three Mile Island Nuclear Station,. Unit 1.

1 Sincerely, i I

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1 H i D. HubLil

(< Vice President & Director, THI-l HDH/WGH .

~ cca- T. T. Martin,-USNRC F; Young, USNRC Attachments.

r f l A l 9006260234 900531 '

-POR ADOCK 05000289 l

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GPU Nuclear Corporation is a subsidiary of General Pubhc Uhhties Corporahon -

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OPERATIONS

SUMMARY

l MAY 1990 i

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The unit entered the month operating at =96% power, producing =830 MWe gross electrical generation. The unit operated with a ATC of -4.5'F which was input due to high OTSC level on the "B" side. Both trains of the HSPS Hi Level MFW l Isolation were in defeat. The unit remained at =96% power throughout the remainder of the r.ionth.

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i MAJOR SAFETY RELATED MAINTENANCE t

During May, the following major safety related maintenance activities were performed Make-un System Valve MU-V-2A The MU-V-2A motor failed during plant operation. A replacement motor from warehouse stock was prepared and a Reactor Building entry made to perform the change out. Post maintenance testing of the newly installed motor was completed satisfactorily. Inspection of the old motor identified for the cause.of the failure to be a pinched wire which shorted to the casing.

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E 50-289 DOCKET.NOL DATE= ,5-31-90 z

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, iCOMPLETED;BY; W.G. Heysek N 7

TELEPHONE; 717-948-8191 4

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'l-NOTES , + -l THREE MILE ISLAND' UNIT;:, l' 1:

, :14'UNITfNAME : 11 ,

gj24 REPORTING.PERIODO..'., 41990.!!-

MAY' - Ic f"F3.1LICENSEDLTHERMAL t POWER.(MWT)s' c2568., l- . ' ll ,

!4L NAMEPLATE' RATING (GROSS MWE) - 871'. :l I

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[h;5UDESIGNLELECTRICALfRATING(NETMWE)::1 , ' 8 1 9 .s ;l

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wiL6{ MAXIMUM DEPENDADLE CAPACITY'(GROSSEMWE)2-  ; 856 a0 :l .

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J ' J7L MAXIMUM DEPENDABLE CAPACIT.Y- (NET MWE) ' 800..1 4 1,

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g%[;pd cIF/ CHANGES < OCCUR IN.L(ITEMS:3-7) SINCE LAST REPORT,' GIVE REASONS:

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% $90 POWER LEVEL TO WHICH RESTRICTED, IF ANY: (NETiMWE)> '

)1 J10h REASONS 4 FOR RESTRICTIONS,.IF ANY: ,

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N- u. THIS-l MONTH YR-TO-DATE CUMM LATIVE I M,1.1.aHOURS'IN1 REPORTING' PERIOD

744. 3623. 138024. y%

jl2hNUMBERTOFDHOURSfREACTOR WAS: CRITICAL-- ,744.O 12028;6 64027.2 'y ll a.13k REACTOR RESERVE SHUTDOWN HOURS OiO 242.8> < 2245;61 Ia

" !! 4 NHOURS: GENERATOR ,'ON-LINE

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16'.LGROSS'THERMALJENERGY GENERATED <(MWH) . 1813830. -4604527;. 154176421.. h 117.7 GROSS ELECTRICAL ENERGY-GENERATED'(MWH) 613317. 1568081. 51874750'.'  :  !

/10.'NETiELECTRICAL: ENERGY GENERATED-(MWH) 578457. 1455217.- 48641706. O M19.fuNITl SERVICE ~FACTORt 4 100.0 . 54.8" :45.6: .

'L20duNITAVAILABILITY' FACTOR 100.0-- 54.8 45.6 -(

/21 ~.':e UNIT > CAPACITY L FACTOR -(USING MDC NET) - 96.2 49.7 :45.O! i

)22!OUNITJCAPACITY' FACTOR (USING DER NET) 94.9 ~49.0 43;O

[=.23C UNITE. FORCED OUTAGE' RATE t 0;O ,10.7- 4910 j;

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DOCKET NO. 50-209 l

' UNIT' TMI-1

• DATE 5-31-90 I'

', COMPLETED BY W.G. Heysek

,-- A i TELEPHONE 717-948-8191 MONTH:. MAY.

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' DAY- AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL-I (MWE-NET) (MWE-NET) .I h'l 'l 779. 17 76G.

mL '2 703. 18 777..

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3= 70G. 19 774

'4 705. 20- 775. i

!f f 5- 781. 21 779.-

E i i 6 -794. 22 780.- 4 7 782. 23 770.

</ 8: 775. 24 776. .

9 773. 25' '775; ~i

, 10 775. 26 774.

I1 781. 27 777, t; 12. 785. 20- 775.  ;

777. 29 13 776.

14 777. 30 775.

,; s 15 775. 31 776.

16. 771.

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.X REFCELING INFORMATION REQUEST ,

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1.- Name of Facility: Three Nile Island Nuclear Station, Unit 1  ;

2.- Scheduled date for next refueling shutdown: October 4, 1991 (9R)

3. Scheduled date for restart following current refueling: NA

4. Will refueling or resumption of operation thereaf ter require a technical specification change or other license amendment? .

If answer is yes, in general, what will these be?

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l If answer is no, has the reload fuel design and core configuration been j reviewed by your Plant Safety Review 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? completed.

5. Scheduled date(s) for submitting proposed licensing action and supporting information: None planned.

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. I

7. The number of fuel assemblies (a) in the core, and (b) in the spent fuel storage pools (a) 177 (b) 441

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:

The present licensed capacity is 752. Planning to increase licensed capacity through fuel pool raracking 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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