ML19246C018

Forwards Monthly Operating Rept for June 1979

ML19246C018
Person / Time
Site:	Hatch
Issue date:	07/09/1979
From:	Manry M GEORGIA POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE)
References
PM-79-610, NUDOCS 7907190564
Download: ML19246C018 (1)

Text

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u Georgia Power Company Post Office Box 442 Baxley. Georgia 31513 Teleonone 912 367-7 81 912 537-9444 Edwin 1. Hatch Nuclear Plan, Georgia Power the southem entrc system July 9, 1979 PM-79-610 PLANT E. I. HATCH NRC Monthly Report Doc'<et No. 50-366 Direc tor Office of Inspection and Enforcement U.S. Nuclear Regulatory Cot: mission Washington, D.C. 20555

Dear Sirs:

Pursuant to Section 6.9.1.6 of the Hatch Unit 2 Technical Specifications, please find attached the NRC Monthly Operating Report.

M. Manry Plant Manager MM/peb xc: C. T. Moore T. V. Greene File e

jq q 9 0719 0 5G Y 005 402 298

OPERATING DATA REPORT DOCKET NO. 50-366 DATE /- D- O CO.\tPLETED BY P. B. Allen TELEPif0NE 01 P- 367- 7781 OPERATING STATUS

1. Unit Name: Hat;n - 2 N '*5

2. Reporting Period: __ June 1979

3. Licensed Thermal Pawer (5tht): 2436

4. Nameplate Ratin,(Gross SIWE). 817

5. Design Electric-J Rating (Net NtWe): 784

6. .\taximum Dependable Capacity (Gross 51We): 749

7. 31aximum Dependable Capacity (Net SIWE): 716

8. If Changes Occur in Cap. city Ratings (Items Number 3 Through 7) Since Last Report. Gise Reasons:

9. Power Level To which Restricted,If Any (Net 51We):

10. Reasons For Restrictions,If Any:

This Sionth Yr.-to.Date Cumulatise

11. ilours In Reporting Period 720 4343 8760

12. Number Of Hours Reactor Was Critical 509.7 934.9 3567.4

13. Reactor Resene Shutdown I!aurs 0 0 0

14. Hours Generator on-Line 260.9 544.4 1931

15. Unit Reserve Shutdown Hours 0 0 0

16. Gross Thermal Energy Generated (51WH) 504955 920070 2926011 17 Gross Electrical Energy Generated (.\lbli) 120460 _ _ . 235010 771610 lb. Net Electrical Energy Generated (.\1Wii) 108593 200428 693960

19. Unit Senice Factar N/A N/A N/A

20. Unit Availability Factor N/A N/A N/A

21. Unit Capacity Factor (Using 51DC Net) N/A N/A N/A

22. Unit Capacity Factor (Using DER Net) N/A N/A N/A

23. Unit Forced Outage Rate N/A N/A N/A

24. Shutdowns Scheduled Oser Nest 6 51onths tType. Date,and Duration of Each t

25. If Shut Down \t End Of Report Period. Estimated Date of Startup:

26. Units in Test Status (Prior to Commercial Operationi: Forecast Achiesed INITI A L CRITICA LITY 7 4-78 INITlTL ELECTRICITY 9-22-78 CO\l\tERCIAL OPER \ TION 8-23-79 402 299 p73 D lod 2 b g

AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-366 UNIT Hatch - 2 DATE 7-5-79 CO\1PLETED BY P. B. Allen TELEPHONE 912-367-7781 MONTH _ June 1970 DAY AVER AGE DAILY POWER LEVEL DAY AVER AGE DAILY POWER LEVEL (MWe-Net) ( MWe-Net )

i 211 57 374 2 459 is 576 3 480 19 27 4 -14 20 -18 s -11 21 -17 _

6 -II 22 81 7 _ -12 23 -l7 8 11 11 24 9 -14 25 471 to 26 26 708 ,

11 -10 27 369 12 -12 23 -10 33 d6 29 -ll i4 297 30 -11 15 527 3i l e, 42 INSTRUCTIONS On this format. hst the average da ly umt power lesel in \lwe Net for each day in the repornn; m . nth. Compute to the nearest whole megr.urt.

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s UNII'SilUIlr,WNS AND POWER REDUCIIONS DOCKEFNO. 50-366 UNil Pi A%1E llatch - 2 DATE 7-6-79 iluno 1979 COS1PLET ED itY P R Allcn_

REPOR1510N ill TELEPIIONE 012-167-77R1 C Fi

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. .e 79-06 790603 F 154:15 A 3 fi/A lill PUMPXX Rx Scram on Low Water Level Follow-ing Loss of Booster Pump Turbine 79-07 790610 F 74:35 A 3 ti/A IIC INSTRU Turbine Trip on Low Vacuum 79-08 790615 F 18:54 A 3 N/A RB INSTRU Rx Scram on APRM Upscale Trip 79-09 790619 F 76:14 A 3 N/A liA. VALVEX -

Rx Scramas a r3sult of Load Rejec-tion Startup Testing 79-10 790622 F 51:27 11 2 N/A IIA RELAYX Rx Scram Due to Gen. Diff. Aux.

Lockout Relays 70-11 790627 S 83:41 B 3 N/A CD VALVEX Rx Scram Due to MSIV Testing i 2 3 4 F: I orced Reason: hiethod: Extiibit G - Instructions S: Scheduled A.I quipment Failure (Explain) l-blanual for Prep.uation of Data It-htaintenance of Test 2 Alanual Scram. Entry Sheets f or 1.icemec C Refueling 3- Automatic Scra:n. I vent Report (l.f R)l'ile (NURI G-D-Regulatoi) Restriction 40t her (E xplain) 01611 1 -Operator 1raini.ig & Iiccuse Examination F Administniive 5 G-Operational Ei ror ( Explam) Esinbit ! Same Sourse (9/77) 11 Ot her (Explain)

NARRATIVE REPORT UNIT II June 3 Startup Testing June 6 Rx Scram on Low Water Level 1847 CST June 10 On Line 0502 CST June 10 Turbina Trip on Low Vacuum 1106 CST June 13 on Line 1341 CST June 15 Rx Scram on APRM Upscale Trio 2114 CST June 15 On line 1608 CST June 19 Rx Scram on TCV Fast Closure Load Rejection Test June 22 On line 0535 CST June 22 Rx Scram Due to Cen. Diff. Aux. Lockout Relays 1408 CST June 24 On Line 1735 CST June 27 Rx Scram on MSIV test 1219 CST There was no single release of radioactivity or single radiation exposure which accounts for more than 10 percent of the allowable annual values during the previous month of 1979.

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HATCH 2 SAFETY - RELATED MAINTENANCE REQUESTS TO BE REPORTED FOR JUNE 1979 NUMBER DAT COMPLETED DESCRIPTION 79-2462 5'51-79 Replaced GE 180 meters with Sigma meters and calibrated instruments R632A&B 79-2603 5-29-79 Vented MSIV LC Pressure transmitters during main steam line pressurization 2B32-N061B 79-2511 6-1-79 Replaced two Impellers 2E11-C001D 79-2480 5-?5-79 Removed danger rod and posi *~'ed clamp to a verttual position and reassembled Hanger 2 Ell-RHR-H178 79-2473 5-31-79 Installed resistora as per DCR 79-227 79-2463 5-29-79 Replaced GE 180 meters with Sigma meters and calibrated 2 Ell-P071 79-2238 5-30-79 Recalibrated 2C32-N004C in accordance to HNP-2-5210 and DCR 79-180 2C32-N004C 79-2091 5-25-79 Installed thermocouple and hooked up 2B21-F013A 79-1794 5-30-79 Replaced Pilot Cartridge Assembly after bench testing of Cartridge assembly was w aleted 2-B21-7013B 79-2379 5-30-79 Recoved temporary cables from panel 2R25-S087 79-2686 6-7-79 Rerolled paper to Multiprint Ventilatten Temperature recor'er ard reseated it properly 2T47-R612 79-2336 6 u-79 Checked line voltage on cables (208) volts 2R75-SO45 79-2326 5-30-79 Temporarily ran pwp "; ,7 cables (208v) from ' Js 2R25-SOB 7 breakers 7 % o and 10 & 12 as per DCR eq g

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79-2592 6-4-79 Built two Digital to Analog Converters 2F41-2B31-C001 79-1.301 6-12-79 Mounted Temperary optical Detectors to Rectre. Pumps A &

B per DCR 79-84 79-2621 6-11 79 HPCI condenser vacuum pump 2E41-C002 79-2090 6-8-79 Disassembled RHR/C.S. Jock ey Pump, replaced worn parts, reasembled pump and returned to service 2E21-G003B 79-2518 6-9-79 Replaced RHR Flow transmitters per DCP 79-215 79-484 6-8-79 Replaced EPIS probe, checked all logic in RPIS Cabinet by simulating inputs at rear of panel for 2Cll-26-15 79-2007 6-9-79 Changed out Columbia DS 3000 LVDTS with 500 series Schaevitz LVDTS per temp. 'CR v

78-442 79-2318 5-30-79 Installed 3 each 2-pole 20 amp circuit breakers and ran cables per DCR 70-193 79-2317 5-30-79 Installed 40 amp 2-pole breaker and ran cable per DCR 70-192 79-1492 6-14-79 Completed wiring as shown on DCR 78-110 79-2866 6-8-79 Welded nut to disc and installed dise; valve didn't pass LLRT, therefore, disassembled valve, lapped seat and reassembled valve passed test 2F51-F040 79-1363 5-6-79 Removed reistors and fabricated li mit er and adjusted per DCR 79-80 and FDDRHT-2-385, Rev.1 79-2924 6-14-79 Replaced breaker en HPCI Pump Suction from Suopression Chamber and repaired loose connection at motor 2E41-F041 79-2015 6-18-79 Replaced motor to Suction Valve from Torus 2Eul-F041 n - - .

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79-2810 6-21-79 Welded vent line valve back in place 2 Ell-FV003 79-1362 5-29-79 Removed 100 OHM resistors and closed BBS5 and BB56 in 2HH-P612. Fabricated and installed limiter on control amolifier. 2E41-K615 79-546 6-2-79 Replaced Seal Water Inlet Line, and fittings 2 Ell-0001 D 79-2420 6-12-79 Terminated wire at breaker

1. 24 2R25-S106 79-611 6 79 Implemented DCR 2-77-221 79-2885 6-11-74 Replaced field winding of HPCI Vacuum Tank Condensate Pump 2E41-C002-1 79-2327 6-6-79 Assembled RPS/MG Set Breaker Panels and wired per DCR 78-419 78-5351 6-12-79 Implemented DCR 78-483, cut out restra int "o. 153, grinded down smooth and rewelded assembly per Bechtel procedure 2B31-G003 79-2359 6-12-79 Temporary instruments installed and calibrated per DCR 79-180 79-1494 6-13-7o Implemented temporary DCR 79-117 which install s pressure tranducers on the SR5 Tailpipes 2B21-F013A-K, K-M 78-2867 6-25-79 Installed 4 T/Cs in Drywell 2

^9 Rx Insulation at ciificial Shield and 2 in ar gap 1800 apart and relocated 2T47-N002 and N010 2T47-N001A&K 79-3059 6-24-79 Disassembled standby PSW Pump Discharge S'rainer Inlet Isolation Valve and turned over 2P41-F335A 74-3058 6-24-70 Disassembled S tandaby PSW Pumo Discharge Strainer Outlet Isolation Valve and turned over 2P41-F336A 7 - '

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79-3033 6-2t-79 Reversed standby PSW Pump Disch. Strainer Outlet Isolation Valve position is clossed when showing closed 2P41-F336A 79-3032 6-24-70 Reversed Standby PSW Pu=p Disch. Strainer Inlet Isolation Valve position is closed when showing closed 2P41-F335A 79-2896 6-24-79 Reta raed indicator holes of DIV1 "*W Strainer Back Wash Valve mnd placed indicator in right ptsition 2P41-F313D 79-3003 6-23-70 Fixed c :intac ts and alarm wiring on Recombiner Te p Hi and Low Annunciator 2N62-P600 79 428 6-26-79 Recalibrated HPCI Aux. Oil Pump-Auto Start Pressure Switch PS-1 79-3031 6-22-79 Changed setpoints on Main Steam Line Rad. Monitor A per HNP-2-5100 79-2959 6-22-79 Calibrated MSL Hi and HiHi to new setponts 2DllR60?A,3,C, and D 79-2962 6-23-79 ILnstalled 120 VAC outlet with 19 AMP fuses as per DCR 79-100 79-3052 6-23-79 Investigated and repaired MSIV LCS Inboard Depresurization Valve 2E32-F0033 79-2775 6-22-79 Changed 011 and filters, flushed lines, visually

nspected bearings and gear reducer and repaired water lines in HPCI turbine E41-C002 79-2884 6-22-79 Investigated and repaired HPCI Vacuum Purp; found loose connection on shunt field 2E41-C002-2 79-2998 6-26-79 Inspected lube oil system on HPCI turbine and added 110 gallons of oil to resevoir 40 ~^

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