ML18283B222

June 1977 Monthly Operating Report

ML18283B222
Person / Time
Site:	Browns Ferry
Issue date:	07/18/1977
From:	Dewease J Tennessee Valley Authority
To:	Office of Nuclear Reactor Regulation
References
Download: ML18283B222 (14)

Text

U.S. NUCLEAR REGUI ATORY C SSION NRC FORM 195 (2.78)

I NRC'DISTRIBUTION FoR PART 50 DOCKET MATERIAL DOCKET NUMBE 0-FILE NUMBER MO

,TO:

No Ro Co FROM:

Tennessee Valley Authority Chattanooga, Tennessee Jo Gi Dewease DATE OF DOCUMENT Not Dated DATE RECEIVED 7/l8/77 ETTE R ABORIGINAL'OPY DESCRIPTION

.CJNOTORIZED UNCLASSIFIED PROP INPUT FORM ENCLOSURE NUMBER OF COPIES RECEIVED I ec, Letter trans the fo1lowing.'onth~ Report for Plant h Component Operabi1ity 0, Availabi1ity.

~ This Report to be used, in preparing Gray Book by Pland 8o Operations.

DO NOT REMOVE

" P~>0/Ir,ZDGqD HANT NAME:

. Browns Ferry Units 1-2-3

'JL

'/18/77 CXS R

T N

FOR ACTION/I IO C,VS Zoic.L Rec 4 NFO RMATION eg e

INTERNALDISTRIBUTION nc ne c

ss EXTERNAL DISTRIBUTION CONTROL NUMBE R 90 50 NRC CORM 1Afi f2 T'AI

\\

Decatur, Alabama 35601 Nuclear Regulatory ComoMsion Office of Hanageuent Information and Program Control Washington, D

C 20555 Gentlemen Enclosed is the June 1977 report on plant and component operability and avaiLabiLity for Drowns Perry HucImar Plant units 1, 2 and 3 Very truly yours, TEHNESSEE VAXXZT AUTHORITT J.

G. De@ease FLant Superintendent En,

~

sures CC" Director, Region II Nuclear Regulatory Conmission Office of Inspection and Enforcement 230 Peachtree

Street, NW

.. Unite 818

Atlanta, GA 30303 (1 copy)

Director, Office of Inspection

& Znforcem t Nuclear Regulatory Coaxaission Washington, D. C.

20555 10 c ies)

h I

0 k 'Ct i

- 4h OPERATING STATUS:

UNIT NAME DATE COMPLETED BY:

TELEPHONE 7--7 Harold Wa 729-6846

1.,Reporting Period:

0000770601 Gross Hours in Reporting Period:

720 2.

Currently Authorized-Power Level MWt 3293 Max. Depend.

capacity

{MWe-net) 1065 3.

Power Level to which restricted {ifany):

4.

Reasons for restrictions (if any):

MWe-net 1065 N/A This Month Yr-To-Date to 2400770631 Cumulative To Date 5.

Hours Reactor Was Critical 6.

Reactor Reserve Shutdown Hours 712.85 7.15 4093.24 249.76 11 18.75 4 041.10 10 857.67 0

27 886 338 9,326,670 9,055,807 43.8 59.6 42.5 42.5 33.3 33.3 54.0 Initial Criticali.ty Initial Electrical Power Generation Commercial Operation 7.

Hours Generat:or On-Line 709.57 4031.88 8.

Unit Reserve Shutdown Hours

. 0 0

9.

Gross Thermal Power Generated (MWH) 1,998,466 11,106,428 10 Gross Electrical Power Generated (MWH) 664>440 3,718,720 11.

Net Electrical Power Generated (MWH) 641,113 3,610,722 12.

Reactor Service Factor 99.0

~

94.2 13.

Reactor Available Factor 100 100 I

14.

Unit Service Factor 98.6 92'. 8 I

15.

Unit Availability Factor 92.8 16.

Unit Capacity Factor (using MDC) 83.6 78.1 17'nit Capacity Factor (using Design MWe) 78.1 18.

Forced Outage Rate 1.4 6.3 19.

Shutdowns scheduled to begin in next 6

months (state type, date and duxation

'of each):

Refuelin outa e

Se tember 1977

20. If shutdown at equi of report: period, estimated date of startup:

21.

Plants in Test Status {prior to commercial operation)

Report the Following:

Forecast:

Achieved

ala RY:

Unit operated at an average load of 936 MVe UNIT NAME DATE 7-7-77 COMPLETED BY Harold Walls REPORT MONTH June PLANT SHUTDOWNS NO.

DATE TYPE F"FORCED S-SCHEDULED DURATION HOURS REASON 1

lKTHOD OF SHUTTING DOWN THE REACTOR 2

COI'MENTS 13 770606 14 770628 10.43

~ EHC'ystem malfunction Derated for river water temp. limitations.

e (1) REASON:

A-EQUIPIKNT FAILURE (EXPLAIN)

B"MAINT, OR TEST C "REFUELING D-tKGULATORY RESTRICTION E"OPERATOR TRAINING AND LICENSING EXAMINATION F"ADMINISTRATIVE GWPERATIONAL ERROR (EXPLAIN)

(2) IKTHOD:

A->SNUAL B-MANUAL SCRAM C-AUTOMATIC scam i

~

UNIT DA1P COMPLETED BY 7~7 77 Harold Walls.

gpNTH June 1977 DAILY UNIT POWER OUTPUT DAY 9

1 1

1 1

1 1

19 20 21 22 23 24 AVERAGE DAILY Mme-net 1009 1021 1029 990 986 792 356 723 970 1001 936 1001 1001 998 1002 998 1019 947 992 997 977 965 962 950 DAY 25 26 27 28 29 30 31 AVERAGE DAILYMfe-net 929 770 703 604 531 542 Note:

Negative values indicate station use when unit is off line,

OPERATING STATUS:

UNIT NAME DATE COMPLETED BY:

TELEPHONE rowns Ferry II Harold Walls 729-6846 to 720 N A This Month 1.

Reporting Period:

Gross Hours in Reporting Period:

2.

Currently Authorized Power Level,MWt 3293 '"

Max. Depend.

capacity (MVe-net) 1065

(

4.

Reasons for restrictions (if any):

1065'r-To-Date Cumulative To Date 5.

Hours Reactor Was Critical 6 ~

Reactor Reserve Shutdown Hours 7.

Hours Generator On-Line 8.

Unit Reserve Shutdown Hours 713.83 6,17 712.38 0

4,123.22 219.78 4,042.00 0

7,477.04 10,593.96 7,107;73 0

9 10.

Gross dermal Power Generated (MWH)

Gross Electrical Power Generated (MWH)

Net Electrical Power Generated (MvK) 6 1

0 630 46 2

0 68 7

12.

Reactor Service Factor 13.

Reactor Available Factor 14.

Unit Service Factor 99.1 94.9 100 100 98.9 16.

17.

18.

19.

20.

21.

1 Unit Availability Factor 93.1 Uni.t Capaci.ty Factor (using MDC)

~

79.7 Unit Capacity Factor (using Design MWe) 82.2 79.7

(

I Forced Outage Rate 6.9 Shutdowns scheduled to begin in next 6

months (state type, date and duration of each):

N A I

If shutdown at end of report period, estimated date of startup:

Plants in Test Status (prior to commercial operation)

Report the Following:

Forecast'chieved Initial Criticality 98.9

82. 2 Initial Electrical Power Generation Commercial Operation 36.5 88.3 34.7 34.7 26.6 26.6 62.4

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RELY:

UNIT NAME Browns Ferrv II Unit operated at an average load of 915 MRe DATE COMPLETED BY 7-7-77 Harold Valls REPORT MONTH PLANT SHUTDOVNS S

O.

DATE 12 770611 13 770610 14 770611 15 770624 TYPE F"FORCED S

SCHEDULED F

DURATION HOURS 7.62 REASON 1

A METHOD OF SHUTTING DOMH THE REACTOR 2

B COMENTS EHC oil leak Derated for recirc, pump maintenance Derated for iecirc.

pump maintenance Rod swap (1) REASON:

A-EQUIPMENT FAILURE (EXPLAIN)

B-MAINT, OR TEST C-REFUELING D-REGULATORY RESTRICTION E"OPERATOR TRAINING AND LICENSING EXAMINATION F-ADMINISTRATIVE G-OPERATIONAL ERROR (EXPLAIN)

(2) METHOD:

A-1M1UAL B-MANUAL SCRAM C-AUTOMATI(

SCRAM

,P 7-7-77 COMPLETED BY Har 1d Pa DAILY UNIT POLAR OUTPUT MONTH June 1977 DAY 6

7 9

10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 AVERAGE DAILY 5$e-net 1037 1020 1029 1002 999 990 996 1018 1010 801 337 553 927 1031 1024 1058 1000 917 1013 1023 1014 1010 1005 610 DAY 25 26 27 28 29 30 31 AVERAGE DAILYN/e-net 442 537 562 666 753 848 Note:

Negative values indicate station use when unit is off line.

UNIT NfQK DATE Browns Ferr III 7-7-77 COMPLETED BY:

Harold Walls OPERATING STATUS:

1.

Reporting Period:

0000770601 TELEPHONE to 2400 706 0

729-6846 Gross Hours in Reporting Period:

Max. Depend.

capacity (MWe-net) 1065 3.

Power Level to which restricted (if any):

4 ~

Reasons for restrictions (if any):

20 This Month N A Yr-To-Date Cumula tive To Date 5.

Hours Reactor Was Crit'ical 6.

Reactor Reserve Shutdown Hours 7.

Hours Generator On-Line 8.

Unit Reserve Shutdown Hours 9.

Gross dermal Power Generated (MWH) 10.

Gross Electrical Power Generated (MWH) 11.

Net Electrical Power Generated (MiK) 12.

Reactor Service Factor 13.

Reactor Available Factor I

14.

Unit Service Factor 654.02 65.98 643.0 1 820 360 578 030 558,387 90.8 100

89. 3 2 6 4.20 252.80 2 607.15 7 458 944 2 432 370 2,356 448 91.4 100 89.1 2

2A 252.80

. 2 607 l 7 458 944 2 432 370 2 356 448 91.4 100 89.1 89.3 89.1 75.6 75.6 Commercial Operation 15.

Unit'AvailabilityFactor 16.

Unit Capacity Factor (using MDC)

. 72.8 17.

Unit Capacity Factor (using Design MVe) 72 F 8 I

18.

Forced Outage Rate 10.7 10.9 I

19.

Shutdowns scheduled to begin in next 6

months (state type, date and duration of each):

20. If shutdown at end of report period, estimated date of startup:

21.

Plants in Test.status (prior to commercial operation)

Report the Following:

I Forecast Achieved Initial Criticality I

Initial Elect;".ical Power Generation 89.1 75.6 75.6 10.9

UtfMI)RY:

Unit operated at an average load of 899 MWe UNIT NAME DATE COMPLETED BY Browns Ferr III 7-7-77 Harold Walls REPORT MONTH June PLANT SHUTDOWNS 0.

DATE TYPE F"FORCED S"SCHEDULED DURATION HOURS REASON 1

llETHOD OF SHUTTING DOWN THE REACTOR 2

C01&fENTS 770617 770624 770626 770628 F

64.57 12.43 B

B C

Maintenance-outage Main steam high flow ann.

Cooling tower 'lineup River temp. limitations (1) REASON:

A"EQUIPtfENT FAILURE (EXPLAIN)

B-MAItJT, OR TEST C"REFUELING D"REGULATORY RESTRICTION E"OPERATOR TRAINING AND LICENSING EXAMINATION F"ADMINISTRATIVE G"OPERATIONAL ERROR (EXPLAIN).

(2) >IETIIOD:

A-HitJUAL B-MAtJUAL SCRAM C-AUTOifATIC.

SCRAM

UNIT 7-7-77 COMPLETED BY Harp d Wal DAILY UNIT POWER OUTPUT HONTH June 1977 DAY I

.2 6

I 7

9

. 10Il 12 13 14 15 16 17 18 19 20 21 22 23 24 AVERAGE DAILY Mfe-net 967 976 988 961 937 998 975 1002 1023 1021 887 958 986 9]6 9808

!F2 464

-10

-10 230 675

'02 971 597 DAY 25 26 27 28 29 30 31 AVERAGE DAILYNle-net 558 781 685 555 636 556 Note:

Negative values indicate station use when unit is off line.

E~Estimate