ML18283B213

December 1977 Monthly Operating Report

ML18283B213
Person / Time
Site:	Browns Ferry
Issue date:	01/13/1978
From:	Dewease J Tennessee Valley Authority
To:	Office of Nuclear Reactor Regulation
References
Download: ML18283B213 (16)

Text

REGULATORY INFORMATION DISTRIBUTION SYSTEM<RIDS)DISTRIBUTION FOR I'BECOMING MATERIAL 50-25 60/2 6 EC: NRC ORG: DEWEASE J G TN VALLEY AUTH DOCDATE: 01/01/01 DATE RCVD: 01/24/78 OCTYPE: LETTER NOTARI ZED: NO COPIES RECEIVED UBJECT: LTR 0 ENCL 1 QNTHLY REPT FOR DEC.1977 ON PLANT AND COMPONENT OPERABILITY AND AVAILABILITY OR SUBJECT FACILITY...

NOTE (USE FOR ALL MONTHLY REPTS INCL OPERATING REPTS REY BOOK INFO ETC).LANT NAME: BROWNS FERRY-UNIT 1 BROWNS FERRY-UNIT 2 BROWNS FERRY-UNIT 3 REVIEWER INITIAL: X JM DI STRIBUTER INITIAL:++4+++4++++4+++~

DISTRIBUTION OF THIS MATERIAL IS AS FOLLOWS NONTHLY OPERATING REPORT FQR GRAY BOOK PREPARATION.

(DISTRIBUTION CODE A003)FQR ACTION: INTERNAL: EXTERNAl: BRANCH CHIEF SCHWENCER44W/2 ENC REG FILE+4~WENC NIPC FQR ACTION++A/2 ENCL LPDR S ATHENS AL4+W/ENCL T I C++W/ENCL NSIC~~W/ENCL BNL(NATLAB>++W/ENCL ACRS CAT 8+4W/0 ENCL NRC PDR++W/ENCL 3ISTRIBUTIQN:

LTR 10 ENCL 10 SIZE: fP+<P CONTROL NBR: 780250002 THE END+4++44++44+++4+++++++<++<<++<++<+++

TENNESSEE YALLEY AUTHORITY~Browns Ferry Nuclear Plant P 0.Box 2000 Decatur, Alabama 35602 CD I~.'N JR[1 t 8 1978 Nuclear Regulatory Commission Office of Management Information and Program Contxol Washington, D.C.20555 Gentlemen:

Enclosed is the December 1977 report on plant and component operability and availability for Browns Ferry Nuclear Plant units lq 2p and 3~Very truly youxs, NNE EE VALLEY AUTHORITY.G.Dewease Plant Superintendent

Enclosures:

CC: Director, Region II Nuclear Regulatory Commission Office of Inspection and Enforcement 230 Peachtree Street, NW Suite 818 Atlanta, GA 30303 (1 copy)Director, Office of Inspection

&Enforcement Nuclear Regulatory Commission Washington, D.C.20555.(10 copies)

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OPERATING STATUS OPERATING DATA REPORT DOCKET NO.ZL22~DATE 1Qli~COhtPLETED BY D~nreen TELEPHONE~~o-16 s Notes 1.Unit Name:.2.Reporting Period: 3.Licensed Thermal Power (EhlWt): 4.Nameplate Rating (Gross MWe): 5.Design Electrical Rating (Net MWe): 6.Maximum Dependable Capacity (Gross MWe): ci et aiIWe: 7.Maximum Dependable Capa ty (N)S.If Changes Occur in Capacity Ratings (Items Number 3 Through 7)Since Last Report, Give Reasons: 9.Power Level To Which Restricted, If Any (Net MWe): 10.Reasons For Restrictions, If Any: This Month Yr:to-Date Cumulative 12 979.88 4046.8 0 r]g gi93 31'2 373.229 10 488 347 0 43.3 43.3 32.9 LL2fdl 12.Number Of Hours Reactor Was Critical 13.Reactor Reserve Shutdown Hours 14.Hours Generator On-Line 15.Unit Reserve Shutdown Hours 17.Gross Electrisnt Energy Generated (htWH)19.Unit Service Factor 67 2 20.Unit Availability Factor 21.Unit Capacity Factor (Using MDC Net)0 23.Unit Forced Outage Rate 0 4.6 24.Shutdowns Scheduled Over Next 6 Months (Type, Date;and Duration'of Each): 25.If Shut Down At End Of Report Period, Estimated Date of Startup: 26.Units In Test Status tPrior to Commercial Operation):

Forecast Achieved INITIA L CRITICA LITY INITIAL ELECTRICITY COMMERCIAL OPERATION UNIT SHUTDOWNS AND POWER REDUCTIONS REPORT MONTH DOCKET NO.50-259 DATE 1 5 78 No.Date PI Oc g4~~Pp~CA$a Licensee Event Report 4 E~Cl Ep IA cn'C Cl O Q O O CJ Cause Ec Corrective Action to Prevent Recurrence 27 771201 S 720 F: Forced S: Scheduled (9/>>)Reason: A-Equipment Failure (Explain)II-Maintenance or Test C-Refueling D Regulatory Restriction E.Operator Training&.License Examination F.Administrative G-Operational Error (Ilxplaitt)

I I.Other (Explain)Method: I-Manual 2-Manual Scram.'-Automatic Scram.4.Other (Explain)Exhibit G-Instructions for Preparation of Data Entry Sheets lor Licensee Event Report (LER)File (NUREG-OI6I)Exhibit I-Sante Source

)AVERAGE DAILY UNIT POWER LE DATE COMPLETED BY MONTH December.DAY AVERAGE DAILY POWER LEVEL (M We-Net)DAY'AVERAGE DAILY POWER LEVEL (MWe-Net)17 3.&7&7-8-8-6 18 19 20 22<<7-8-6-6 w7 Io.11 12.13 14 15 16-6-8.-8-.8 24 25 26 27 28 29 30 31'-9-8-8-8 INSTRUCTIONS On this format, list the average daily unit power level in MWe-Net for each day in the reporting month.Compute to the near~st whole megawat t.(9(77)

OPERATING STATUS OPERATING DATA REPORT DOCKET NO~0-260" DATE~~r COMPLETED BY D~~~~.TELEPHONE 2QZD~316 l.Unit Name:.2.Reporting Period: 3.Licensed Thermal Power (MWt): 4.Nameplate Rating (Gross MWe): S.Design Electrical Rating (Net M We): 6.ltfaximum Dependab!e Capacity (Gross MWe): 7.Maximum Dependable Capacity (Net MWe): Notes 8.If Changes Occur in Capacity Ratings (Items Number 3 Through 7)Since Last Report, Give Reasons: 9.Power Level To Which Restricted, If Any (Net MWe):.10.Reasons For Restrictions, If Any: This Month Yr.-to-Date Cumulative 6967 63-J4160-13.Reactor Reserve Shutdown Hours 14.Hours Generator On-Line 15.Unit Reserve Shutdown Hours 16.Gross Thermal.Energy Generated (MWH)N W~~0-19.Unit Service Factor 20.Unit Availability Factor 23.Unit Forced Outage Rate 24.Shutdowns Scheduled Over Next 6 Months (Type.Date, and Duration'of Each): Refuelin Outa e 40.3 2S.If Shut Down At End Of Report Period, Estimated Date of Startup: 26.Units In Test Status (Prior to Commercial Operation):

Forecast Achieved INITIA L CRITICALITY INITIA I.ELECTRICITY COMMERCIAL OPERATION (9jr77)

UNIT SHUTDOWNS AND POWER REDUCTIONS REPORT MONTH COMPLETED BY l5ll1SB6-No.Date f Pi V 0 g)S~CA Licensee Event Report 4f Fe Cl V~n~Cr~e 0~u E~O Cause&Corrective Action to Prevent Rccurrcnce 36 37 38, 771201 771214 771218 r 331.4 B 18.9 B 11.5 H 3 The scram, discharge volume tank high water level-switches or piping was bumped causing switch contacts to operate.39 771231 B Derated for removal of each recirc.pump from service to inspect electrical penetratiogs.

F: Forced S: Schedule'd (9/77)Reason: A.Equipment Failure (Explain)B-Maintenance or Test C-Refueling D.Regulatory Restriction E.Operator Training&Liccnsc Examination F-Administrative G Operational Error (Explain)I I-Other (Explain)3 Method: I-Mapual 2.Manual Scram.3-Automatic Scram.4.Other (Explain)5 Exhibit G~Instructions for Preparation of Data Entry Sheets for Licensee Event Report (LER)File (NUREG-OI 61)Exhibit I-Sante Source AVERAGE DAlLY UNIT POWER.LEVE UNIT DATE COMPLETED BY TELEPHONE 5=MONTH DAY AVERAGE DAILY POWER LEVEL (MWe-Net)-10-10 7 2 10 12 DAY AVERAGE DAILY POWER LEVEL (MWe-Net)*17 18 19 20 21 22 23 24 25 26 27-28 13 14 15 16-9 108 29 30 31 INSTRUCTIONS On this format, list the average daily unit power level in MWe.Net for each day in the reporting month.Compute to the nearest whole megawatt..(9/77)

OPERATING DATA REPORT DOCKET NO.~O-EEE DATE~igZI COMPLETED BY TELEPHONE.

295Ll29 9316 OPERATING STATUS 1.Unit Name:.2.Reporti'ng Period: 3.Licensed Thermal Power (MWt): 4.Nameplate Rating (Gross MWe): 5.Design Electrical Rating (Net MWe): 6.maximum Dependable Capacity (Gross MWe): Notes 8.If Changes Occur in Capacity Ratings (Items Number 3 Through 7)Since Last Report, Give Reasons: 9.Power Level To Which Restricted, If Any (Net MWe): 10.Reasons For Restrictions, If Any: This Month Yr:to.Date Cumulative,.588.41 6499.31 6499.31 0'18 641,694 18,641,694 6 033'870 6 033,870 91.0 91 0 74.8 74.8 74.8 12, Number Of Hours Reactor Was Critical 13.Reactor Reserve Shutdown Hours 14.Hours Generator On-Line 15.Unit Reserve Shutdown Hours 0 16.Gross Thermal,Energy Generated (MWH)17.Gross Electrical Energy Generated (M WH)18.Net Electrical Energy Generated (MWH)19.Unit Service Factor 20.Unit Availability Factor 21.Unit Capacity Factor (Using MDC Net)22.Unit Capacity Factor (Using DER iVet)23.Unit Forced Outage Rate 24.Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each): 25.If Shut Down At End Of Report Period, Estimated Date of Startup: 26.Units In Test Status (Prior to Commercial Operation):

Forecast Achieved INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION UNIT SHUTDOWNS AND POWER REDUCTIONS REPORT MONTH December DATE COMPLETED BY No..Date C~CS hx a-PI C Q Cl u<~~C/)$a O Liccnsce Event Report 4 Ee El ro C5 Cause&, Corrective Action to Prevent Recurrence 43 771211 F 16 78 A Intercept valves fast clos'ure DUE to'oscillation in the Main Steam Line Pressure.45 771211 771222 F 10.57 A EHC Mal function Derated Due To'A'ecirc.Pump Trip.46 771226 B Deratr rl Due To MnI.ntenance To Rx F"r d Pumps I F: Forced S: Scheduled!, (9/77)1 Reason: A-Equipment Failure (Explain)B-Maintenance or Test C-Refueling D.Regulatory Restriction E-Operator Training&, Liccnsc Examination F-Administrative G-Operational Error (Exitlain)

I I-Other (Explain)Method: I-II lanual 2-Manual Scram.3-Automatic Scram.4-Other (Explain)4 Exhibit G-Instructions for Preparation of Data Entry Sheets for Licensee Event Report (LER)File (NUREG-016I)Exltibit I-San>c Source AVERAGE DAILY UNIT POWER LEV DOCKET NO.50-296'NIT COMPLETED BY Don Green TELEPHONE MONTH c ember 1977 DAY AVERAGE DAILY POWER LEVEL (M We-Net)DAY AVERAGE DAILY POWER LEVEL (MWe-Net)17 823 794 789 18 19 20 21 0 0 6 10 12 13 14 15" 16-6 998 22 24 25 26 27 29 30 31 1000 1026.9 8 INSTRUCTIONS On this format, list the average daily unit power level in Mme-Net for each day in the reporting tnuri th.Compute to the nearest whole megawatt.(9t77) 4