ML20009C034

Monthly Operating Rept for June 1981

ML20009C034
Person / Time
Site:	Hatch
Issue date:	07/10/1981
From:	Atwood D GEORGIA POWER CO.
To:
Shared Package
ML20009C033	List: ML20009C032 ML20009C034
References
NUDOCS 8107200191
Download: ML20009C034 (5)

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OPERATING DATA REPORT 1

M CO DO DOCKET H0. 50-366 0

DATE 07-10-81 g".

COMPLETED BY DEHVER ATWOOD TELEPHONE (912) 3o7-7781 x 203 k

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O.. Hanet E.1.Hstch Huclear Plant Unit 2 Onit Reporting Period 06-81

.. _. _2436_ _ _

Licensed Thermal Pouer (MWt)f MWe): 817.0 Hs.n sp la t e.Ra t in g ( Gros s MWe1: 784.0._

Des ign_Electr ical _ Rati ng (Het MWe): 805.7 Maxinun Dependable. Capacity (Gross Maximun Dependable C a p a c i,t y,,( N e t MWe): 772.7 Give Reasons:

Number _3_Thr_ough_7) Since Last, Report, 4. I r Ch an g es _0 c cur _ i n. Ca pac i t y R ot h.ngs,( It en s 8

9. Pouer Level To Which_ Restricted, If Any (Het MWe ):

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For Restrictior.s, If Any*

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This Month Yr.-to-Date Cumulative 4343 15960 p...___

720 _

. 2895.0 11128.8

>1 1. Hours In Peporting Period

_ _ _____ _, _ 720.0 Lj 12. Number Of Hours Peactor Was Cr i t i ca l' 0.0

_10449.7,. _

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O.,0, I13. Reactor Reserv' Shutdoun Hours

.715.8

_, _ 2761.3 0.0

>14. Hours Generator On-Line 0.0 0.0 p

1578924 5976935 23074833 i 15. Unit Reserve Shutdoun Hours I16. Gross Thernal Energy Generated (HWH )

496780 1924050 7591330

>17. Gross Electrical Energy Generated (MWH) 474358 1829589 7231703 18._Het Electeical En e rgy Gen er a te d ( MWH_)

99.4 63.6 65.5

19. Unit Service Factor 99.4 63.6 65.5

>20._ Unit Availability Factor 85.3 54.5 L8.6

_21. Unit _ Capacity Factor (Using MDC Net).

84.0 53.7 57.8

22. Unit Capacity Factor ( Us i ng DER Het) 11.9 0.6 12_.1 Rate

>23._ Unit _ Forced 0.utage Scheduled 0ver Hext 6_ M on th s ( Typ e, Date, and Duration of Each ):

_2 4,.__S h u_t d o u n s

25. If Shut Doun At End Of R e p o__r t_ P e r i o d, _ Estinated Date_of Startup:

Achieved Forecast

26. Units In Test Status (Prior to Connercial Operation):

._ INITIAL CRITICALITY _ _ _.. _. _..

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AVEP4GE DAILY UNIT POWER LEVEL

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DOCKET NO. 50-366 P

DATE 07-10-81

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COMPLETED BY DEHYER ATu00D TELEPHONE ( 912 ) 367-7781 x 203 06 81

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UNIT SHLTDOWNS AND POWER REDUCTIONS DOCKET NO.

50-366 UNIT NAME Hatch 2 DATE 7-10-81 y

COMPLETED BY D.

G.

Atwood REPORT MONTil June,81 TELEPHONE 912-367-7851 B

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},j 5 Yh Licensee Eg jg Cause & Corrective No.

Date g

3g Event (3

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O Prevent Recurrence y5 5

j gi g Report #

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81-48 810609 F

6.5 A

5 NA HC HTEXCH Load reduction due to loss of conden-ser vacuum and f,looded SJAEs 81-49 810610 F

4.2 A

1 NA HC HTEXCH Off line to stabilize condenser vacuum 81-50 810610 F

38.4 A

5 NA HC HTEXCH Recovery from #81-49 81-51 810613 S

6.3 B

5 NA HA TURBIN Load reduction to p'rform weekly tur-e 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 8

5 NA HA TURBIN Load redu.ction to perform weekly turbine test 81-54 810626 S

21.8 B

5 NA Z'Z CONROD Load reduction for rod sequence ex-j change 1

2 3

4 i

F: Forced Reason:

Method:

Exhibit G-Instructions S: Scheduled A. Equipment Tailure (Explain) 1-Manual for Preparation of Data B Maintenance of Test 2 Manual Scram.

Entry Sheets for Licensee C-Reiecling 3-Automatic Scram.

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

E-Operator Training & License Examination 5-Icad Pcduction F Administtativ; 5

9-Other (Explain)

G-Operational Error (Explain)

Exhibit I-Same Source (9/77) 1101her(Explain) 4 7

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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 minor 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 feedvater heater problems June 1001 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 beater problems June 14th At 0839 load was reduced to lower cond temp to prevent vacuum loss; feedwater heater problems still occurring l

June 20th At 2317 loid was reduced to inspect circ water boxes; feedwater heater problems and vacuum problems still occurring June 21st At 0035 stopped decreasing load te perfora daily turbine

^est; 0045 resumed decreasine 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 request 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 i

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HATCH 2 SAFETY-RELATED MAINTENANCE REQUESTS TO BE REPORTED FOR JUNE 1981 No MRs were closed out for Unit 2 during the month of June.

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