ML18283B226

March 1977 Monthly Operating Report

ML18283B226
Person / Time
Site:	Browns Ferry
Issue date:	04/11/1977
From:	Green H Tennessee Valley Authority
To:	Office of Nuclear Reactor Regulation
References
Download: ML18283B226 (15)

Text

NRC FORM 195 12-78)

UAe NUCLEAR REGULATORY.C ISSION DOCKET NUM 50-259 60 6

TO:

.No Rw Co FROM:

Tennessee Valley Authority

Decator, Alabama Hi J Green NRC DISTRIBUTION FoR PART 50 DOCKET MATERtAL F I LE NUMBE R MONTHLY R DATE OF DOCUMENT 4/11/77 DATE RECEIVED 4/19/77 C3LETTE R CIOAIGINAL

~ C3copv DESCRIPTION QNOTOR IZED OUNCLASSIFIEO PROP INPUT FOAM ENCLOSUAE NUMBER OF COPIES RECEIVED NONESIGNED Letter trans the l.'Olloving Dpr P~>ZkIOg Month~ Report d'or MARCH, 1977 Plant 8 Component Operability 5 Availability.

This Report to be used in preparing Gray Book by Planh 8c Operations.

(9-p)

~ PLANT NAME:

Browne Ferry 2-2-QCKNPWLEDGED RJL FOR ACTION/INFORMATION 2

CYS FOR CT N

eg es INTERNALD ISTR I BUTION rane e

c ss EXTERNAL DISTRIBUTION CONTROL NUMBER g=~>i orax NAC FORM 19d (2.7dl

"l

Browns Ferry Nuclear Plant P. O'ox 2000

Decatur, Alabama 35602 '

@N OR~90M~ HE~55 Hucl'ear Regulatory Commission

'ffice of Hanagement Information and Program Control Washington, D. C.

20555 Gentlemen-Enclosed is the March 1977 report on plant and component operability and availability for Browns Ferry Huclear Plant units I, 2, and 3.

Very truly yours, TENNESSEE VALLEY AUTHORITY H. J. Green Plant Superintendent EncIosures:

CC:

Director, Region EX Nuclear Regulatory Commission Office of Inspection and Enforcement 230 Peachtree

Street, NP Suite 818

Atlanta, GA, 30303 (1 copy)

Nuclear Regulatory ComuMsion Washington, D. C.

20555 (10 copies)

.. Jaigfj

4 UNITNAME B

err 1

DATE 4/7177 COMPLETED BY:

Harold Walls TELEPHONE 729-6846 to

" 2400770331 MVe-net 1065 NA This

'onth Yr-To-Date 1"

18 188.14 1,926.91 5.

Hours'Reactor Was Critical 6.

Reactor Reserve Shutdown Hours 2

23"32 715.50 7.

Hours Generator On-Line OPERATING STATUS:

1.

Reporting Period:

0000770301

. Gross Hours in Reporting Period:

744

~ 2.

Currently Authorized Power Level MWt 3293 Max. Depend.

capacity (MWe-net) 1065 3.

Power Level to which restricted (if any):

4.

Reasons for restrictions (if any):

Cumulative To Date 066.37 3,979.48

',752.70 8.

Unit Reserve Shutdown Hours 0

0 0

9.

10.

12.

Reactor Service Factor 96.9 Gross Thermal Power Generated (MWH) 1 960 176 Gross Electrical Power Generated (MWH) 663,520 Net Electrical Power Generated (MWH) 645>636 5 065 080 1, 703, 380

.1,658,681 91;3 21 844 990 7,311,330 7,103,766 38.8 13.

14.

15.

16.

17.

Reactor Available Factor Unit Service Factor Unit Availability Factor Unit Capacity Factor (using MDC)

Unit Capacity Factor (using Design MWe) 100 96.2 96.2 81.5 81,5 100 89.2 89.2 72.1 72.1 55.8 37.4 37.4 28.5 28.5 18.

19.

20.

21.

Forced Outage Rate

~ '.8 Shutdowns scheduled to begin in next 6

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

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

Plants in Test Status (prior to commercial operation)

Report the Following:

Forecast Achieved Initial Criticality Initial Electrical Power Generation Commercial Operation 59.3

IU}1N)RY:

Unit operated at an average load of 927 MWe.

REPORT }IONTH UNIT NAME Browns Ferr 1

DATE '/7/77 COMPLETED BY Harold Walls PLANT SHUTDOWNS 0.

TYPE F-FORCED S

SCHEDULED 'URATION

}IOURS REASON 1

IIET}IOD OF SHUTTING DOIlN T}IE REACTOR 2

COMMENTS 770325 F

28.50 Steam line MSIV closed (1) REASON:

A-EgUIPMENT FAILURE (EXPLAIN)

B<<}IAINT, OR TEST C"REFUELING" D"PZGULATORY RESTRICTION

-E-OPERATOR TRAINING AND LICENSING EXAMINATION F"ADMINISTRATIVE G"OPERATIONAL ERROR (EXPLAIN)

(2) }IETIIOD:

A-IIANUAL B<<}fANUAL SCRAM C-AUTO}fATD:

SCRA}i

a

.-t. ; "4.. u...

4

.w.. *. 4..

v 744 4 ',~,~ ~,ply 4~,,ew.,2.'

'w u':-,

-pi UNIT DATE COMPLETED, BY 4/7 77 Harold Walls MONTH March DAILY UNIT POWER OU'ZPUT DAY AVERAGE DAILY MWe-net DAY AVERAGE DAILY MWe-net 4

7 8

9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 934 957 1009 1085 1055 1036 1037 6

1040 1043 1003 983 982 970 950 829 369 453

~62.

690 MQ2.

925 994 1039 1027 25 26 27 28 29 30 31 123 241 670 888 973 1034

~030 Note:

Negative values indicate station use,when unit is oM line.

OPERATING STATUS:

UNIT NAME DATE 4/7/77 COMPLETED BY:

Harold Walls TELEPHONE 729-6846 MWe-net 1065 This Month Yr-To-Date

1. 'eporting Period 0000770301 to 2400770331 Gross Hours in'Reporting Period:

744 2.

Currently Authorized Power Level MWt 3293 Max. Depend.

capacity (MWe-net) '065 3.

Power Level to which restricted (if any):

NA 4.

Reasons for restrictions (if any):

Cumulative To Date 5.

Hours Reactor Was Critical 6.

Reactor Reserve Shutdown Hours 7.

Hours Generator On-Line

.8.

Unit Reserve Shutdown Hours 681.53 62.47 668.32 0

2 089.81 70.19 2,045.27 0

5 443.63 10,444.37 5,111.00

'0 9.

Gross Thermal Power Generated (MWH) 1 699 944 10..Gross Electrical Power Generated (MWH) 549 530 11.

Net Electrical Power Generated (MWH) 535,183 12.

Reactor Service Factor

91. 6 5 909 664 1 943 130 1,894,238 96.8 12 550 125 4,121,520 4,012,024 29.8 13.

Reactor Available Factor 100 100

'86.9 89.8 89.8 67.5 67.5 Initial Criticality Initial Electrical Power Generation Commercial Operation 14.

Unit Service Factor 94.7 15.

Unit Availability Factor 94.7 J'6.

Unit Capacity Factor (using MDC)

82. 3 17.

Unit Capacity Factor (using Design MWe)

~

82.3 18.

Forced Outage Rate

10. 2 5.3 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:

Forecast Achieved 27.9 27.9 20.6 20 '

69.5

'DIARY:

Unit operated at an average load of 822 MWe.

PLANT SHUTDOHNS REPORT MONTH UNIT NAIfE Browns Ferry 2

4/7/77.-

COIIPLKTED BY Harold Walls 0 ~

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

METHOD OF SHUTTING DOWN THE REACTOR 2

'OMMENTS 3

770306 F

4 770308 F

5 770310 F

6 770323 46.50 29.18 A

A A

No Shutdown No Shutdown

~

B Derated, to 628 MWe for Recir M-G set maintenance Derated to 554 MWe due to Recir'pump failure Recir pump maintenance Load reject during control valve testing (1) REASON:

A-EQUIPMENT FAILURE (EXPLAIN)

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

I (2) IIETHOD:

I A<<tfANUAL B"MANUAL SCRAM C"AUTOi~fATI( ~

scam I

V ~

, 0 UNIT Browns Ferry 2

DATE~ 4I7/77 COMPLETED BY Harold 'Walls MONTH March

~ DAILYUNIT POWER OUTPUT DAY 1

2 3

4 5

7 8

10 12 13 14 15 16 17-18 19 20 21 22 23 24 AVERAGE DAILY Mlle-net 1048 1065 1017 1065 979 692 523 523 165 9

237 436 562 648

. Z32-789 881 949 1005 1038 1037'0 180 DAY 25 26 27 28 29 30 31 AVERAGE DAILY M71e-net 461 634 747 847 925 969 Note:. Negative values indicate station use when unit is off line.

0 e~

OP"=P Y 'KNG STATUS:

~ &

UNIT Nf&K DATE

-'.". ~

COMPLETED

/

TELEPHONE Br Ferr 3

4/7/7 BY:

Harold Walls 729-6846 MRe-net 1065 1.

Reporting Period:

000077030L to 2400770331 Gross Hours in Reporting Period:

744 I

2.

Currently.Authorized Power Level MWt 3293 Max. Depend.

capacity (Mise-net) 1065

'3.

Power Level to which restr'cted (if any):

NA ny easons or res r c ons x

I

'i

5.

Hours Reactor Was Critical 6.

Reactor Reserve Shutdown Hours urs Generator On-Line

'I 8.

Unit Reserve Shutdown Hours This Month 720.47 23.53 713.75 0

Yr-To-Date 720.47 23.53 713.75 0

Cumulative To Date 2.47 23.53 713.75 0

9.

Gross Thermal Power Generated (MWH) 2 107 392 10.

Gross Electrical Power Generated (MWH) 696 010 11.

Net Electrical Power Generated (MWH) 677,300 12.

Reactor Service Factor 96.8 13., Reacto" Available Factor 100 2 107 392 696 010 677,300 96.8 100 2 107 2

696 010 677 300.

96.8 100 14.

Unit Service Factor 95.9 95.9 95.9 95.9 95.9 85.5 85.5

> 85.5 4:.1 Initial Criticality Initial Electrical Power Generation Commercial Operation 15.

Unit Availability Factor 95.9 16.

Unit Capacity Factor (using MDC) 85.5 17.

Unit Capacity Factor (using Design MWe) 85.5 85.5 18.

Forced Outage Rate 4.1 4.1 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 commerci,al operation)

Report the Following:

Forecast Achieved

UllMARY; Unit was declared commercial on 3/1/77 UNIT NAME Browns Ferr 3

A/7/77 COMPLETED BY Harold Walls REPORT MONTH r h PLANT SHUTDOWNS I

O.

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

METHOD OF SHUTTING DOWN TlP. REACTOR (2

'OMMENTS 5

770302 6

770311 7

770318 8

770320 Fi

13. 07 17.18 A

A A

B NA C

NA EHC oil leak Derated because of main steam.tunnel temp.

sw failure Loss condenser vacuum Derated due to relief valve leak (1) REASON:

A-EQUIPMENT FAILURE (EXPLAIN)

B-MAINT, OR TEST C-REFUELING D"REGULATORY RESTRICTION E-OPERATOR TRAINING AND.

LICENSING EXAMINATION F-AD)1INISTRATIVE G-OPERATXONAL ERROR (EXPLAIN)

(2) METHOD:

A-5$UUAL B "MANUAL SCRAM C-AUTOMATI<"'-

SCRAM

.- ~,'.kaa 4

UNIT 'rowns Ferr 3

DATE 4

7 77 COMPLETED BY Harold Walls DAILY UNIT POWER OUTPUT a

MONTH March DAY AVERAGE DAILY MWe-net DAY AVERAGE DAILYMWe-net

'3 4

7 8

10 12

,13 14 16 17 18'9 20 21 22 23 24 1028

. 598 370 770 913 1036 1060 1061 1056'066 895

~11 LK~

1063 1040 1065 548 261 668 802 818 965.

1022 25 26'7 28 29 30 31

~91 1011 1002 1007 984 997 1006 Note:

Negative values indicate station use when unit is off line.