PM-81-584, Forwards Monthly Operating Rept for June 1981

Forwards Monthly Operating Rept for June 1981

ML20009C035
Person / Time
Site:	Hatch
Issue date:	07/10/1981
From:	Manry M GEORGIA POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE)
References
PM-81-584, NUDOCS 8107200193
Download: ML20009C035 (1)

Text

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Georgia Power Company Post Office Box 442 Baxley, Georgia 31513 Telephone 912 367-6686 912 367-7781 Georgia Power Edwin I. Hatch Nuclear Plant 1% sottun eWxvc system July '0,-1981 PM-81-584 PLANT E.

I. HATCH NRC Monthly Operating Report Director Office of Inspection and Enforcement United States Nuclear Regulatory Commission Washington, D. C.

20555

Dear Sir:

Per Tech Specs section 6.9.1.6 please find attached the NRC Monthly Operating Report for Hatch Unit 2, Docket #50-366.

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__ _0,P Ef_AT I Hr. _D Ap R E P O R T DOCKET H0. 50-366 DATE 07-10-91

. - _. _... ~.. _.. -

. -... -... _. - -. _ _. -.... -.... COMPLETED BY DENVER ATWOOD

-- - TELEPHONE ( 912 ) 367-7781 x 203

• • • • • • • • • • • • • • • • • • • • • ..**************************.s*****

CPERATING STATUS

~

• Notes ~

1.

U n i t' H a'n'e s ' E '. I. H a t c h Huclear Plant Unit 2 2.

R3 porting Period 06-81

3. Licensed Thernal Pouer (MWL): 2436 4.

Ha,n o p l a t e Ra t ing ( Gross MWe ): 817.0

5. Des ign_Electr ical, Rati ng (Het MWe ): 784.0

6. Maximun Dependable, Capacity,(Gross MW e ): 805.7_

7.

Maxinun Dependable C a p a c i,t y,,( N e t MWe): 772.7.

• • • • • • • • • • • • • • • • • p*************************************

8.

If C h a n g e s__0_c cu r_i n_C a p a c i t y, R a t,6 n g s _( I_ t e n s H.u n b e r 3_Through 7) Since Last Report,._G6ve Reasons:

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~ ~. Pouer _Leve1 T G h]d Q IPstry ted_,. 1f_AEy] H_et_M[We)J______ _ _

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10. Reasons For Restrictions, If Any:

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This Month Yr.-to-Date Cumulative 4343.-

15960- - -

11 Hours In Reporting Period....

- 720

. 2895.0 11128.8

12. Hunber Of Hours Fecctor Was Cr i t i ca l-.

720.0 0 0_

0.0,_, _ _,.

0.0,

13. Reactor Reserve Shutdoun Hours 715.8

_ __,__ 2761.3 _

0.0 10449.7 14 Hours Generator On-Line 0.0 0.0

15. Unit Reserve Shutdoun Hours

16. Cross Thernal Energy Generated (MWH) 1,578924

. 5976925 _

_23074833

_18.,, He t _ E l e c t.r e c a l Energy Generated (MWH)

_ 496780._

1924050 7591330

,(MWH)

_17._ Gross Electrical Energy Generated 474358 1829589 7231703 97.4 63.6 65.5

19. Unit Serv.ce Factor

_20., Unit Availability Factor 99.4 63.6 65.5

_21. Unit Capacity Factor (Using MDC Net)_

.. __85.3

_ __ _, _. _54.5 58.6

22. Unit Capacity Factor ( Usi ng DER _Het)

_ 53.7 57.8 84.0 0.6 12.1 11.9

@24,._ Shutdowns _, Scheduled

_., U n i t. Forced Outage Rate Over Hext 6 Months (Type, Date, and Duration - i Each):

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L26. Units In Test Status (Prior to Connercial Op,eration):

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UNIT SHUTDOWNS AND POWER REDUCTIONS I

A.1E H

ch DATE 0-81 COMPLETED BY & G.

Atwood REPORT MONDI June 81 TELEPHONE 912-367-7851 3

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} YIi Licensee Eg Cause & Corrective l

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Dau

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,s5 Event g?

g3 Action to l

H 5

j di g Report #

mU U

Prevent Recurrence g

b 81-48 810609 F

6.5 A

5 NA HC HTEXCH Load reduction due to loss of conden-ser vacuum and f,looded SJAEs 1

l 81-49 810610 F

4.2 A

1 NA HC HTEXCH Off line to stabilize condenser vacuum l

81-50 810610 F

38.4 A

5 NA

-HC HTEXCl!

Recovery from #81249 81-51 810613 S

6.3 B

5 NA HA TURBIN Load reduction to perform weekly tur-bine test 81-52 810620 F

20.43 A

5 NA HF HTEXCH Load reduction to allow inspection of circulating water boxes 81-53 810626 S

1.'3 B

5 NA HA TURBIN Load reduction to perform weekly t'arbine test 81-54 810626 S

21.8 3

5 NA Z'Z CONR00 Load reduction for rod sequence ex-change I

2 3

4 Reason Method:

Exhibit G. Instructions

/

F: Forced A EquihmentTailure(Explain) 1-Manual for Preparation of Data S: Scheduled B-Maintenance of Test 2 Manual Scram.

Entry Sheets for Licensee C Refueling 3-Automatic Scram.

Event Report (LER) File (NUREG-D-Regulatory Restriction 4 -Continuations 0161)

E-Operator Training & License Examination 5-Icad Beduction 5

F-Administtat;ve 9-Other (Explain)

G-Opcrational Error (Explain)

Exhibit I-Same Source (9/77) 1101her(Explain) 4 r

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x NARRATIVE REPORT UNIT 2 June 1st Load reduced due to minor steam leaks and feedwater heater problems June 6th Load reduced at 0025 to perform weekly turbine test; also reduced due to 1:linor steam leaks and feedwater heater problems June 9th Reduced load at 0948 due to loss of vacuum due to flooded SJAE.

Load also reduced due to minor steam leaks and feedwater heater problems June 10th 1155 unit off line to stabilize condenser vacuum; 1605 unit on line but load still reduced due some to minor steam leaks and feedwater heater problems Juen lith Load reduced due to vacuum problems, minor steam leaks and feedwater heater problems June 13th At 0026 load reduced to perform weekly turbine test; 0305 increasing load from weekly turbine test. but still operating at reduced load due to cond.

vac.

problems and feedwater heater problems June 14th At 0839 load was reduced to lower cond temp to prevent vacuum loss; feeduater heater problems still occurring June 20th At 2317 load was reduced to inspect circ water boxes; feedwater heater problems and vacuum problems still occurring June 21st At 0035 stopped decreasing load to perform daily turbine test; 0045 resumed decreasing load at 0245 stopped decreasing load; 1400 started increasing load but feedwater heater and vacuum problems still occurring June 22nd At 0830 load reduced per SCSI requ<3t June 23rd 1000 decreasing load to help alleviate vacuum problems resulting from increased ambient temp; 1910 increasing load; feedwater heater problems still occurring June 26th At 2110 load reduced in order to perform week-ly turbine test; 2235 load reduced for rod sequence exchange; feedwater heater and vacuum problems still occurring 1

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1 EATCH 2 SAFETY-RELATED MAINTENANCE REQUESTS i'

TO BE REPORTED FOR JUNE 1981 2

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I No MRs.:.ere closed out for Unit 2 during the month of June.

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