ML18283B225
| ML18283B225 | |
| Person / Time | |
|---|---|
| Site: | Browns Ferry  |
| Issue date: | 05/12/1977 |
| From: | Green H Tennessee Valley Authority |
| To: | Office of Nuclear Reactor Regulation |
| References | |
| Download: ML18283B225 (15) | |
Text
NRC FORM 195 I2-ltli' U.S. NUCLEAR REGUI ATORV C 1ISSION NRC DISTRIBUTION FoR PART 50 DOCKET MATERIAL DOCKET NUMBE cb FILE NU ER IONTHL R
TO:
N Re C+
/]ORIGINAL OCOPV DESCRIPTION QNOTOR I2E D gklNCLASSIF IE D PROP INPUT FORM ENCLOSU RE FROM:
Tennessee Va11ey Authority D catur, A1a He J.
Green DATE OF DOCUMENT 5/12/77 DATE RECEIVED 5/18/77 NUMBER OF COPIES RECEIVED L tter trans the following:
l.
~r C
Month+ Report for
- APRIL, 1977 Plant 8e Component Operability 8c AvailaM1ity:j-.
Thds Report to be used dn nrepaQng Gnsy Book by Plane a Operatdons.s;.k)QQO+
5.
PIANT NAME:
3rowns Ferry Units 1-2-3 RJL (9-P)
FOR ACTION/INFORMATION
- 2. CYS FOR CTI N INTERNALDISTRIBUTION f
D
.inc ie C
ss EXTERNALDISTRIBUTION CONTROL NUMBER NRC FORM 196 {2.76)
TENNESSEE VALLEY AUTHORITY Browns Ferry Nuclear Plant P.
O.
Box 2000
- Decatur, Alabama 35602 ofay 12, 1977 Nuclear Regulatory Commission Office of i~fanagement Information and Program Control Vashington,D.
C.
20555 Gentlemen:
Enclosed is the April 1977 report on plant and component operability and availability for Browns Ferry Nuclear Plant units 1, 2, and 3.
Very truly yours, TENNESSEE VALLEY AUTHORITY 3
Green Plant Superintendent gulatog
~~Cg
Enclosures:
CC:
- Director, Region II Nuclear Regulatory Commission Office of Inspection and Enforcement 230 Peachtree
- Street, Nt~'uite 818 Atlanta,GA 30303 (1 copy)
Director, Office of Inspection
& Enforcement Nuclear Regulatory Commission liashington, D.
C.
20555 (10 copies)
UNIT N&K Browns Ferry 1
OMFLETFD By.
Harold Walls TELEPHONE 729-6846 2400770430 OPERATING STATUS:
Hue-net N/A 1.
Reporting Period:
Gross Hours in Reporting Period:
2.
Currently Authorized Power Level HVt Max. Depend.
capacity (Ntfe-net) 3.
Power Level to which restricted (if any):
4.
Reasons for restrictions (if any):
5.
Hours Reactor Has Critical 6.
Rc ctor Reserve Shutdown Hours 7.
Hours Generator On-Line 8.
Unit Reserve Shutdown Hours 9.
Gross Thermal Power Generated (MPH)
This Month 664.53 54.47 651.4 1,868,304 Yr-To-Date 2,636.39 242.61 2,578.31 6,933,384 Cumulative To Date 9,730.90 4,033.95 9,404.1 23,713,294 11.
Net Electrical Power Generated (MWH) 607,488 10.
Gross Electrical Power Generated
(%K) 623~940 2,327,320 2,266,169 7,935,270 7,711,254 12.
Reactor Service Factor 13.
Reactor Available Factor 14.
Unit Service Factor 92.4 100 90.6 91.6 100 89.6 40.4 57.1 39.0 90.6 89.6 73.9 73.9 Initial Criticality Initial Electrical Power Generation Commercial Operation 15.
Unit Availability Factor 16.
Unit Capacity Factor (using MDC) 79.3 17.
Unit Capacity Factor (using Design MMe) 18.
Forced Outage Rate 9.4 10.5 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 da'c cf startup:
21.
Plants in Test Status (prior to commercial operation)
Report the Following:
Forecast Achieved 39.0 30.0 30.0 57.6
UMMARY:
Brovns Ferry 1
Unit Operated at an average load of 958 Mt<e DATE 5/9/77 COMPLETED BY Harold Walls REPORT MONTH A ril PLANT SHUTDOWNS 9.
10.
DATE 770401 770421 770428 TYPE F"FORCED S "SCHEDULED DURATION HOURS 54.32 13.28 REASON I METHOD OF SHUTTING DOWN THE REACTOR 2
COMMENTS Derated for Rx. feed pump min. bypass 1
line maintenance.
MSIV isolation Lost unit preferred.
(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-MANUAL B-MANUAL SCRAM C-AUTOMATI(
UNIT 0AT8~ 5/9/77 COMPLETED BY Harold >Jails April 1977 DAILY UNIT POhER OUTPUT DAY AVERAGE DAILY ÃJe-net DAY AVERAGE DAILY NJe-net 1'
3 4
5 6
7 8
9 10'll 12 13 14.
15 16 17 18 19 20 21 22 23 24 957 1091 1021 1049
,1056
'027 1053 1060 1006 1040 1042 1032 1006
'835 971 1035
/1032 1036 1021 1009 521
-7 502 25 26
.27 28 29 30 31 520 999 816 753 91 711 Note:
Negative values indicate station use when unit is off line.
OPERATING STATUS:
1.
Reporting Period:
0000770401 Bro s Ferry 2
DATE 5/
COMPLETED By-Harold Halls TELEPHONE 729-6846 2400770430 Gross Hours in Reporting Period:
719 2.
Currently Authorized Power Level MWt 3293 Max. Depend.
capacity (MWe-net) 1065 3.
Power Level to which restricted {ifany):
MWe-net 1065 N/A 6.
Reactor Reserve Shutdown Hours 7.
Hours Generator On-Line 8.
Unit Reserve Shutdown Hours 9.
Gross Tnermal Power Generated (MWH) 10.
Gross Electrical Power Generated
{MWH) 11.
Net Electrical Power Generated (MWH) 12.
Reactor Service Factor 13.
Reactor Available Factor 127.85 583.87 1,669,392 554,670 5399890
- 82. 2 100 4.
Reasons for restrictions {ifany):
21li8 Mon@>
5.
Hours Reactor Was Critical 591.15
'-"To-Date 2 680.96 198. 04 2 629.14 7,579,056 2,497,800 2,434,128 93.1 100 Cumulative To Date 6 034.78 10 572.22 5 694.87 14 219 517 4 676 190 4,551. 914 31.7 87.4 14.
Unit Service Factor 15.
Unit Availability Factor 16.
Unit Capacity Factor (using MDC) 17.
Unit Capacity Factor (using Design MWe) 81.2 81.2
- 70. 5 70.5 91.3 91.3 79.4 79.4 30.0 30.0 22.5 22.5 18.
Forced Outage Rate 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 Initial Criticality Initial Electrical Power Generation Cmqmercial Operation 67.4
lBQEARY1 Unit operated at an average load of 950 MWe UNI'L'1hMH Nrownn Fr.rr 2
5/9/77 DATE COMPLETED BY Harold Walls April REPORT MONTH PLANT SHUTDOWNS DATE TYPE F"FORCED S-SCHEDULED DURATION HOURS REASON 1
METHOD OF SIEUTTING DOWN THE REACTOR 2
COI'GENTS 9.
77042 7 ~
770415 8.
770416 121.21 13.92 A
Derated for recirc MG set maintenance Rec rc.
MG set maintenance APRM flux spike (1) REASON:
A"EQUIPIKNT FAILURE (EXPLAIN)
B"D,INT) OR TEST C-REFUELING D"REGULATORY R'STRICTION E-OPERATOR TRAINING AND LICENSING EXAMINATION F-ADMINISTRATIVE G-OPERATIONAL ERROR (EXPLAIN)
(2) METHOD:
A-MANUAL B"MANUAL SCRAM C-AUTOMATI SCRAM
UNIT DATE OOMPLETED BY Ha~old Walls MONTH April DAILY UNIT PO'.~ER OUTPUT DAY 3
4 5
6 7
8 9
10 12 13 14 15 16 17 18 19 20 21 22 23 24 AVERAGE DAILY MWe-net 1029 1058 1063 1045 1063 1016 1065 976 1027 1057 1054 1050 1043 1044 1030 560
-15
-9
-8
-8
-12 379 744 937 26 27 28 29 30 31 AVERAGE DAILY MWe-net 811 834 1029 886 330 436 Note:
Negative values indicate station use when unit is off line.
UNIT NAME Browns Ferry 3
DATE COMPLETED BY:
Harold L~'alls ELEPHONE
'729 6846 to 2400770430 OPERATING STATUS:
Mfe-net 1.
Reporting Period:
Gross Hours in Reporting Period:
2.
Currently Authorized Power Level MWt Viax. Depend.
capacity (NVe-net) 1065 3.
Power Level to which restricted (if any):
A.
Reasons for restrictions (if, any):
N/A This Month 5.
Hours Reactor Has Critical
~
601.33 Yr-To-Date 1-,321.80 Cumulative To Date 1,321.80 6.
Reactor Reserve Shutdown Hours 7.
Hours Generator On-Line 8.
Unit Peserve Shutdown Hours 9.
Gross Thermal Power Generated (MWH) 10-Gross Electrical Power Generated (1$%)
11.
Net Electrical Power Generated (hNH) 12.
Reactor Service Factor 13.
Reactor Available Factor 14.
Unit Service Factor 15.
Unit Availability Factor 16.
Unit Capacity Factor (using MDC) 17.
Unit Capacity Factor (using Design MRe) 18.
Forced Outage Rate 117.67 575.67 1,370,928 551,770 535,566 83.6 100 80.1 80.1
- 69. 9 69.9 16.4 141.20 1,289.43 3,478,320 1,247p780 1,212,866 90.3 100 88.1 88.1 77.8 77.8 10.3 141.20 1~28o 42 3,478,320 1,247,780 1,212,866 90.3 100 88.1 88,1 77.8 77.8 10.3 19.
Shutdowns scheduled to begin in next 6 months (state. type, date and duration of each):
20.
Xf shutdown at end of report period, estimated date of startup:
21.
Plants in Test Status (prior to commercial operation)
Report the Following:
Forecast Achieved Xnitial Criticality Xnitial Electrical Power Generation Commercial Operation
'RRViRY:
Unit operated at an average load of 958 MWe DATE Brooms Ferry 3
5/9/77 COMPLETED BY Harold Walls REPORT MONTH pril PLANT SHUTDOWNS 0.
DATE TYPE F"FORCED S "SCHEDULED DURATXON HOURS REASON 1
METHOD OF SHUTTING DOWN THE REACTOR 2
COKKNTS 9.
10.
770414 770425 F
15.53 127.8 A
A B
Scran during perfornance.of SI Leaking Relief Valve I
(1) REASON:
A-EQUIPtiENT FAILURE (EXPLAIN)
B"i%?XNT, OR TEST C-REFUELING D"REGULATORY RESTRICTION E-OPERATOR TRAINING AND LXCENSING EYDMDtATION F"ADMINISTRATXVE G-OPERATIONAL ERROR (EXPLAIN)
(2) METHOD:
A-MANUAL B"MANUAL SCRAM C-AUTOMATIC SCRAM
UNIT DATE 1579<77 COMPLETED EY Harold Halls April DAILY UNIT POWER OUTPUT DAY 2
3 4
5 6
7 8
9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 AVERAGE DAILY 990 1004 1014 997 1055 1001 959 964 988 1001 1008 1007 989 367 586 803 797 808 790 894 953 985 1002 921
¹e-net DAY 26 2?
28 30 31 AVERAGE DAILY %le-net 558 368
-9
-9
-12
-9 Note:
Negative values indicate station use when unit is off line.