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,                                  VlltGINIA 13LECTHIC AND POWEli COMPANY HIcnwoxo,VIHOINIA 20261
VlltGINIA 13LECTHIC AND POWEli COMPANY HIcnwoxo,VIHOINIA 20261 January 8,1997 United States Nuclear Regulatory Commission Serial No.
:                                                                                                I January 8,1997 I
97-016 Attention: Document Control Desk NAPS /JHL Washington, D. C. 20555 Docket Nos.
United States Nuclear Regulatory Commission                 Serial No. 97-016 Attention: Document Control Desk                           NAPS /JHL Washington, D. C. 20555                                     Docket Nos. 50-338 50-339 License Nos. NPF-4 NPF-7 Gentlemen:
50-338 50-339 License Nos. NPF-4 NPF-7 Gentlemen:
VIRGINIA ELECTRIC AND POWER COMPANY NORTH ANNA POWER STATION UNIT NOS.1 AND 2 MONTHLY OPERATING REPORT Enclosed is the December 1996 Monthly Operating Report for North Anna Power Station Unit 1 and 2.
VIRGINIA ELECTRIC AND POWER COMPANY NORTH ANNA POWER STATION UNIT NOS.1 AND 2 MONTHLY OPERATING REPORT Enclosed is the December 1996 Monthly Operating Report for North Anna Power Station Unit 1 and 2.
Very truly yours,
Very truly yours,
              /v'd W W. R. Matthews Station Manager Enclosure cc:   U. S. Nuclear Regulatory Commission Region 11 101 Marietta Street, N. W.
/v'd W W. R. Matthews Station Manager Enclosure cc:
Suite 2900 Atlanta, Georgia 30323                                                 ."'
U. S. Nuclear Regulatory Commission Region 11 101 Marietta Street, N. W.
160023                                                                                     i Mr. R. D. McWhorter                                             7j
Suite 2900 Atlanta, Georgia 30323 160023 i
                                                                                        \       )
Mr. R. D. McWhorter 7j
NRC Senior Resident inspector                                       /
)
North Anna Power Station l
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9701160074 961231
NRC Senior Resident inspector
                                                                                        'N\
/
PDR   ADOCK 05000338 R                   PDR                                                         \
North Anna Power Station
'N\\
l 9701160074 961231 PDR ADOCK 05000338 R
PDR
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VIRGINIA POWER COMPANY l                                           NORTH ANNA POWER STATION MONTHLY OPERATING REPORT h
VIRGINIA POWER COMPANY l
}                                           MONTH: . December YEAR: _1995 I
NORTH ANNA POWER STATION MONTHLY OPERATING REPORT h
}
MONTH:. December YEAR: _1995 I
h
h
_s .
_s.
e a                                                                                         Approved:
e a
s n -
Approved:
s n
bM Station Manager 1
bM Station Manager 1
m
m


OPERATING DATA REPORT DOCFT.T NO.           50-338 DATE: January     5, 1997 CONTACT:   W. R. Ntthews PHONE:     (540) 894-2101 OPERATING STATUS
OPERATING DATA REPORT DOCFT.T NO.
: 1. Unit Names.   . . .. .. .              .. . .. .                    North Anna 1
50-338 DATE: January 5, 1997 CONTACT:
: 2. euporting Periods..       .. ..                . . .              December 1996
W. R. Ntthews PHONE:
: 3. Licensed Thermal Power (MHt) .             . . .                                2,893
(540) 894-2101 OPERATING STATUS 1.
: 4. Nameplate Rating (Gross MHe) ..                     . .                              994
Unit Names.
: 5. Design Electrical Rating (Net H4el s .                 .                            907
North Anna 1 2.
: 6. Maximum Dependable capacity (Gross MWe) .                                           940 7   Maximum Dependable Capacity (Net IWe) .                                             893
euporting Periods..
: 8. If changes occur to C@acf 'y Ratings (Items 3 thru 71 since last report, give reasons:                                               N/A
December 1996 3.
: 9. Poser level to which restricted, if any (Net HHe):                                         N/A
Licensed Thermal Power (MHt).
: 10. Reasons for restrictions, if anyi                                                           N/A l
2,893 4.
This Month                 Y-t-D             Cumulative
Nameplate Rating (Gross MHe)..
: 11. Hours in Reporting Period.                             .      .      .                            144.0                 8,784.0           162,420.0   i
994 5.
: 12. Number of Ho.rs Reactor was Critical.                                                                 744.0                 0,030.8           125,217,2   i
Design Electrical Rating (Net H4el s.
: 13. Reactor Reserve Shutdown Hours.                           .      .              .                  0.0                     94.6             7,046.0
907 6.
: 14. Hours Generator On-Line.             . . .              .                                          744,0                 7,986.3           122,173.8
Maximum Dependable capacity (Gross MWe).
: 15. ".at Reserve Shutdown Hours.                 . . .                                                      0.0                     0.0                 0.0 i
940 7
: 16. Cross Thermal Energy Generated (MHlO..                       ..                                2,151,824.5           22,266,199.5         327,580,536.6 l
Maximum Dependable Capacity (Net IWe).
1
893 8.
: 17. Gross Electrical Energy Generated (MHH).                                                   .      707,125.0           7,312.073.0         144,642,686.0
If changes occur to C@acf 'y Ratings (Items 3 thru 71 since last report, give reasons:
: 18. Net Electrical Energy Generated (MHIO .                       ,                .                673,186.0           6,945,500.0         101,986,654.0   l
N/A 9.
: 19. Unit Service Factor. .         . ..                    .                .                .          100.06                   90.9%               75.2% l
Poser level to which restricted, if any (Net HHe):
: 20. Unit Availability Factor.           ..                .      .      .      ..        .            100.06                   90.9%               75.2%
N/A 10.
: 21. Unit Capacity Factor (using MDC Net) ..                             .          . .        .          101.34                   88.5%               70.3%
Reasons for restrictions, if anyi N/A This Month Y-t-D Cumulative 11.
: 22. Unit Capacity Factor f using DER Net) .                 ..        .              .                    99.86                   87.26               69.2%
Hours in Reporting Period.
: 23. Forced Outage Rate.       .              .          .                  . . .                        0.04                     0.9%                 0.84
144.0 8,784.0 162,420.0 i
: 24. Shutdowns Scheduled Over Next 6 Months (Type, Date, Duration of Lach):                                       N/A
12.
: 25. If Shutdown at end of Report Period, estimated time of Startups                             N/A
Number of Ho.rs Reactor was Critical.
: 26. Units in Test Status (Prior to Consnercial Operation):
744.0 0,030.8 125,217,2 13.
Forecast                 Achieved INITIAL CRITICALITY INITIAL ELECTRICITY COM4ERCIAL OPEPATION
Reactor Reserve Shutdown Hours.
0.0 94.6 7,046.0 14.
Hours Generator On-Line.
744,0 7,986.3 122,173.8 15.
".at Reserve Shutdown Hours.
0.0 0.0 0.0 i
l 16.
Cross Thermal Energy Generated (MHlO..
2,151,824.5 22,266,199.5 327,580,536.6 17.
Gross Electrical Energy Generated (MHH).
707,125.0 7,312.073.0 144,642,686.0 18.
Net Electrical Energy Generated (MHIO.
673,186.0 6,945,500.0 101,986,654.0 19.
Unit Service Factor..
100.06 90.9%
75.2%
20.
Unit Availability Factor.
100.06 90.9%
75.2%
21.
Unit Capacity Factor (using MDC Net)..
101.34 88.5%
70.3%
22.
Unit Capacity Factor f using DER Net).
99.86 87.26 69.2%
23.
Forced Outage Rate.
0.04 0.9%
0.84 24.
Shutdowns Scheduled Over Next 6 Months (Type, Date, Duration of Lach):
N/A 25.
If Shutdown at end of Report Period, estimated time of Startups N/A 26.
Units in Test Status (Prior to Consnercial Operation):
Forecast Achieved INITIAL CRITICALITY INITIAL ELECTRICITY COM4ERCIAL OPEPATION


                        .    . _ _ __-. _      m... . -._ .. . _ _ _ . _ . _ _ _      _.. _ _ _          _ _ . _ _ . . . _ . ,
m...
    ,    s o
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i AVERAGE DAILY UNIT POWER LEVEL 4
AVERAGE DAILY UNIT POWER LEVEL
Docket No.:
;                                                                  Docket No.:                       50-338 j                                                                 Unit:                               NA-1 Date:                   January 5, 1997
50-338 j
Unit:
NA-1 Date:
January 5, 1997


==Contact:==
==Contact:==
W. R. Matthews
W. R. Matthews Phone:
,;                                                                  Phone:                     (540) 894-2101 i
(540) 894-2101 i
1 MONTH: December 1996 i
1 MONTH: December 1996 i
,              DAY     AVERAGE DAILY POWER                                   DAY     AVERAGE DAILY POWER 1
DAY AVERAGE DAILY POWER DAY AVERAGE DAILY POWER 1
LEVEL (MWe-Net)                                               LEVEL (MWe-Net)
LEVEL (MWe-Net)
:              1               904                                           17                   904 2               904                                           18                   906
LEVEL (MWe-Net) 1 904 17 904 2
;              3                904                                           19                   906
904 18 906 3
;              4                905                                         20                     905 y              5               905                                         21                     904 6               905                                         22                     905 7               905                                         23                     905 8               905                                         24                     905 9               904                                         25                     905 10               905                                         26                     905 11               904                                         27                     901 12               905           _
904 19 906 4
28                     906 13               905         _
905 20 905 5
29                    906 14               905           _
905 21 904 y
30                    906 15               906           _
6 905 22 905 7
31                    906 16               905 Instructions:                                                                                                         -
905 23 905 8
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.
905 24 905 9
904 25 905 10 905 26 905 11 904 27 901 12 905 28 906 13 905 14 905 29 906 15 906 30 906 16 905 31 906 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.
3
3


          .      -  _..-..  ..      .~ _     _ . .  - - _ . . . . . - . - - . - - . - . - . -                    ~ ,
.~ _
NORTH ANNA POWER STATION i                                         UNIT NO.:     1 HONTH: December i
~,
j                               SLR44ARY OF OPERATING EXPERIENCE Page 1 of 1 l
NORTH ANNA POWER STATION i
Listed below in chronological sequence is a summary of operating experiences for this month which required load reductions or resulted in                                           !
UNIT NO.:
significant non-load related incidents.
1 HONTH: December i
l j           Date           Time                     Data                                                               I December 01, 1996     0000         Began month with unit at 100% power, 954 MWe,                                 '
j SLR44ARY OF OPERATING EXPERIENCE Page 1 of 1 Listed below in chronological sequence is a summary of operating experiences for this month which required load reductions or resulted in significant non-load related incidents.
)     December 27, 1996     0924         Commenced ramp down for Turbine Valve Freedom
j Date Time Data December 01, 1996 0000 Began month with unit at 100% power, 954 MWe,
!                                        Test (TVFT).
)
1005         Unit stable at 92% power, 875 MWe.
December 27, 1996 0924 Commenced ramp down for Turbine Valve Freedom Test (TVFT).
1040         TVFT complete satisfactorily.                         Commenced ramp to'100% power.
1005 Unit stable at 92% power, 875 MWe.
1130         Unit stable at 100% power, 950 MWe, 2400         Ended month with unit stable at 100% power, 951 December 31, 1996                                                                                                  l 1
1040 TVFT complete satisfactorily.
MWe.
Commenced ramp to'100% power.
1130 Unit stable at 100% power, 950 MWe, December 31, 1996 2400 Ended month with unit stable at 100% power, 951 l
1 MWe.
i 4
i 4


    ,                                                                  l
l
                                                                      .j i
.j i
Page   1 of 1 UNIT SHUTDOWN AND POWER REDUCTIONS Explanation Sheet Docket No.:   50-338                     J 1
Page 1
Report Month December Unit Name:       NA-1 Year:   1996   Date: January 5, 1997
of 1
UNIT SHUTDOWN AND POWER REDUCTIONS Explanation Sheet Docket No.:
50-338 J
1 Report Month December Unit Name:
NA-1 Year:
1996 Date: January 5, 1997


==Contact:==
==Contact:==
W. R. Matthews
W. R. Matthews
* No entries this month.
* No entries this month.
I i
i l
l l
i l
l i
l
l l


_ .  - = -     . .    . _ . . . -      __
- = -
UNIT SHUTDOWS AND POWER REDUCTIONS DOCKET No.: 50-338 UNIT NAME: NA-1 DATE: January 5, 1997 REPORT MONTH: December 1996                                       CONTACT: W. R. Matthews PHONE: (540) 894-2101 1                                 2               3                     4           5 No.     Date     Type                                 Duration Reason           Method of     Licensee     System   Component           Cause & Corrective thrs)             Shutting       Event       Code         Code                   Action to Down Reactor   Report i                                     Prevent Recurrence
UNIT SHUTDOWS AND POWER REDUCTIONS DOCKET No.:
* No entries     this                                 month.
50-338 UNIT NAME:
1: Type         2: Reason                                                                                 3: Method               4:
NA-1 DATE: January 5,
F= Forced       A= Equipment Failure (explain)                                                             l= Manual                   Exhibit F - Instructions S= Scheduled   B= Maintenance or Test                                                                     2= Manual Scram             for preparation of Data C= Refueling                                                                               3= Automatic Scram         Entry Sheets for Licensee D= Regulatory Restriction                                                                 4= Continuations           Event Report (LER) File E= Operator Training & License Examination                                                 5= Load Reduction           (NUREG-0161)
1997 REPORT MONTH: December 1996 CONTACT: W.
F= Administrative                                                                         9=Other G= Operational Error                                                                                               5:
R. Matthews PHONE: (540) 894-2101 1
H=Other (explain)                                                                                                     Exhibit H - Same Source A
2 3
4 5
No.
Date Type Duration Reason Method of Licensee System Component Cause & Corrective thrs)
Shutting Event Code Code Action to Down Reactor Report i Prevent Recurrence
* No entries this month.
1: Type 2: Reason 3: Method 4:
F= Forced A= Equipment Failure (explain) l= Manual Exhibit F - Instructions S= Scheduled B= Maintenance or Test 2= Manual Scram for preparation of Data C= Refueling 3= Automatic Scram Entry Sheets for Licensee D= Regulatory Restriction 4= Continuations Event Report (LER) File E= Operator Training & License Examination 5= Load Reduction (NUREG-0161)
F= Administrative 9=Other G= Operational Error 5:
H=Other (explain)
Exhibit H - Same Source A
a
a


CPERATING DATA REP!RT
CPERATING DATA REP!RT
                                                                                                                                                                  \
\\
l l
l DOCKET NO.
l DOCKET NO.         50-339 LATE: January 5, 1991 CONTACT   W. R. Matthews PHOhEs     (540) 894-2101 OPF. RATING STATUS
50-339 LATE: January 5, 1991 CONTACT W. R. Matthews PHOhEs (540) 894-2101 OPF. RATING STATUS 1.
: 1. Unit Names..           .          .. . .. .                        North Anna 2
Unit Names..
: 2. Reporting Periods.           .        . . . . .                December 1996
North Anna 2 2.
: 3. Licensed Thermal Power (MWt) ..                                             2,893
Reporting Periods.
: 4. Nameplate Rating Noss MWe) .               . . ...                              979
December 1996 3.
: 5. Design Electrical Rating (Net MWe) .           .      ..                      907
Licensed Thermal Power (MWt)..
: 6. Maximum Dependable Capacity (Cross MWe) .                                       944
2,893 4.
: 7. Maximum Dependable Capacity (Net HWe) .             .                          897
Nameplate Rating Noss MWe).
: 6. If changes occur to Capacity Ratings (Items 3 thru 73 since last report, give reasons:                                             N/A
979 5.
: 9. Power level to which restricted, if any (Net MWe):                                         N/A
Design Electrical Rating (Net MWe).
: 10. Reasons for restrictions, if any:                                                           N/A This Month                 Y-t*D           Cumulative
907 6.
: 11. Hours in Peporting Period...           .                                        .                  744.0               0,784.0           140,688.0
Maximum Dependable Capacity (Cross MWe).
: 12. Number of Hours Peactor was Critical.                                   .      .                    223.7               6,897.6           116,955.2
944 7.
: 13. Reactor Reserve Shutdown Hours.           .                    .                                    80.2                 627.2             7,162.2
Maximum Dependable Capacity (Net HWe).
: 14. Hours Generator On-Line.                     .        .      .            .                        217.7               6,861.1           115,784.2
897 6.
: 15. Uni t Reserve Shutdown Hours . . . . . .                                                               0.0                     0.0                 0.0
If changes occur to Capacity Ratings (Items 3 thru 73 since last report, give reasons:
: 16. Cross thermal Energy Generated (Pt4H) . .             . .                                        653,128.4         19,604,679.3       315,581,918.0
N/A 9.
: 17. Gross Electrical Energy Generated (MWH).                           .                    ..      213,952.0           6,437,817.0       103,269,235.0
Power level to which restricted, if any (Net MWe):
: 18. Het Electrical Energy Generated (HWH) .                                                         203,326.0           6,121,543.0         98,693,182.0
N/A 10.
: 19. Unit Service Factor.       ..          .                .        . .              ...              29.34                 78.1%               82.36
Reasons for restrictions, if any:
: 20. Unit Availability Factor.           .                                                                29.3%                 78.14               82.3%
N/A This Month Y-t*D Cumulative 11.
: 21. Unit Capacity Factor (using MDC Net) .                                     .          .              30.5%                 77.7%               78.Cl
Hours in Peporting Period...
: 22. Unit Capacity Factor (using DER Net) .                           .          .                      30.1%                 76.8%               77.36
744.0 0,784.0 140,688.0 12.
: 23. Forced Outage Pate.             . .                        .            .                          70.16                 13.54                 4.6%
Number of Hours Peactor was Critical.
: 24. Shutdowns Scheduled Over Next 6 Months (Type, Date, Duration of Each)s                                     N/A l
223.7 6,897.6 116,955.2 13.
: 25. If Shutdown at end of Report Period, estimated time of Startup                             N/A                                                         )
Reactor Reserve Shutdown Hours.
: 26. Units in Test Status (Frier to Comercial Operation):
80.2 627.2 7,162.2 14.
l Forecast                 Achieved                                               l INITI AL CRITICALITY                                                                                                       l INITIAL ELECTRICITY COF94EHCIAL OFEPATION l
Hours Generator On-Line.
l
217.7 6,861.1 115,784.2 15.
Uni t Reserve Shutdown Hours......
0.0 0.0 0.0 16.
Cross thermal Energy Generated (Pt4H)..
653,128.4 19,604,679.3 315,581,918.0 17.
Gross Electrical Energy Generated (MWH).
213,952.0 6,437,817.0 103,269,235.0 18.
Het Electrical Energy Generated (HWH).
203,326.0 6,121,543.0 98,693,182.0 19.
Unit Service Factor.
29.34 78.1%
82.36 20.
Unit Availability Factor.
29.3%
78.14 82.3%
21.
Unit Capacity Factor (using MDC Net).
30.5%
77.7%
78.Cl 22.
Unit Capacity Factor (using DER Net).
30.1%
76.8%
77.36 23.
Forced Outage Pate.
70.16 13.54 4.6%
24.
Shutdowns Scheduled Over Next 6 Months (Type, Date, Duration of Each)s N/A 25.
If Shutdown at end of Report Period, estimated time of Startup N/A
)
26.
Units in Test Status (Frier to Comercial Operation):
Forecast Achieved INITI AL CRITICALITY INITIAL ELECTRICITY COF94EHCIAL OFEPATION l


      ,                                                                            i
i AVERAGE DAILY UNIT POWER LEVEL Docket No.:
                  .                                                                1 AVERAGE DAILY UNIT POWER LEVEL Docket No.:             50-339 Unit:                 NA-2 Date:           January 5, 1997
50-339 Unit:
NA-2 Date:
January 5, 1997


==Contact:==
==Contact:==
W. R. Matthews Phone:           (540) 894-2101 MONTH: December 1996 l
W. R. Matthews Phone:
DAY     AVERAGE DAILY POWER             DAY     AVERAGE DAILY POWER LEVEL (MWe-Net)                         LEVEL (MWe-Net) 1               0                     17                 0         l 2               0                     18                 0 3               0                     19                 0 4               0                     20                 0         ;
(540) 894-2101 MONTH: December 1996 DAY AVERAGE DAILY POWER DAY AVERAGE DAILY POWER LEVEL (MWe-Net)
5               0                     21               10 6               0                     22               387         i 7               0                     23               822         ;
LEVEL (MWe-Net) 1 0
8                0                     24               905         J 9               0                     25               907 10                 0                     26               906 11                 0                     27               906 12                 0                     28               907 13                 0                     29               908 14                 0                     30               907
17 0
            ~ 15               0                     31               907         !
2 0
16                 0 l
18 0
Instructions:
3 0
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.
19 0
4 0
20 0
5 0
21 10 6
0 22 387 i
7 0
23 822 8
0 24 905 J
9 0
25 907 10 0
26 906 11 0
27 906 12 0
28 907 13 0
29 908 14 0
30 907
~ 15 0
31 907 16 0
l 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.


    -      ..      .      . - - _ _ - _ - . - -                  - .  . ~   _
. ~
J NORTH ANNA POWER STATION f
J NORTH ANNA POWER STATION f
j                                                             UNIT NO.:. 2
j UNIT NO.:. 2 MONTH: December Sibt4ARY OF OPERATING EXPERIENCE-Page 1 of 3 Listed below in chronological sequence is a summary of operating experiences for this month which required load reductions or resulted in significant non-load related incidents.
:                                                            MONTH: December Sibt4ARY OF OPERATING EXPERIENCE-
1 Date Time Data i
,                                                                Page 1 of 3 Listed below in chronological sequence is a summary of operating experiences for this month which required load reductions or resulted in
December 01, 1996 0000 Began month in Mode 5 for Main Generator repairs.
,        significant non-load related incidents.
i December 15, 1996 0333 Began heatup of RCS.
1 Date                           Time                   Data i
December 01, 1996                       0000       Began month in Mode 5 for Main Generator repairs.
i         December 15, 1996                       0333       Began heatup of RCS.
]
]
0337       Entered Mode'4.
0337 Entered Mode'4.
1400       Found 2-RH-P-1B rotating backwards from                 l
1400 Found 2-RH-P-1B rotating backwards from discharge check valve not fully closed.
!                                                            discharge check valve not fully closed.
5 1500 Suspended heatup at 300 F.
5 1500       Suspended heatup at 300 F.
1753 Began cooldown to Mode 5 for repairs.
1753       Began cooldown to Mode 5 for repairs.
2235 Entered Mode 5.
2235       Entered Mode 5.
2325 Unit stable at 185 F, 320 psi.
2325       Unit stable at 185 F, 320 psi.
December 19, 1996 0228 Commenced RCS heatup to 340* F.
December 19, 1996                       0228       Commenced RCS heatup to 340* F.
0235 Entered Mode 4.
0235       Entered Mode 4.
December '20, 1996 1710 Secured RHR; continuing to heatup.
December '20, 1996                     1710       Secured RHR; continuing to heatup.
l 1800 RCS temperature stable at 340 F.
l 1800       RCS temperature stable at 340     F.
2244 Commence RCS pressurization.
2244       Commence RCS pressurization.
December 21, 1996 0040 Entered Mode 3.
December 21, 1996                       0040       Entered Mode 3.
0910 Shutdown Control Rod banks withdrawn.
0910       Shutdown Control Rod banks withdrawn.
1403 Dilution for criticality complete.
1403       Dilution for criticality complete.
1527 Commenced Reactor startup.
1527       Commenced Reactor startup.
1545 Entered Mode 2.
1545       Entered Mode 2.


    -.      -    =_ - _ _   - .. -    _ -        . . . -      _ . - _ . - - - -  ._.-    . . . . - _ _- .
=_ - _ _
                                                                                                                \
\\
NORTH ANNA POWER STATION l
NORTH ANNA POWER STATION l
UNIT No.:         2 MONTH: December                                                     l I
UNIT No.:
SIDNARY OF OPERATING EXPERIENCE                                               l Page 2 of 3                                                     !
2 MONTH: December l
Listed below in chronological sequence is a summary of operating experiences for this month which required load reductions or resulted in significant non-load related incidents.
SIDNARY OF OPERATING EXPERIENCE l
Date             Time                           Data                                               j December 21, 1996         1618           Reactor critical.
Page 2 of 3 Listed below in chronological sequence is a summary of operating experiences for this month which required load reductions or resulted in significant non-load related incidents.
1743           Entered Mode 1.
Date Time Data j
2224           Unit placed on-line.
December 21, 1996 1618 Reactor critical.
2325           Unit stabilized at 30% power, 240 MWe.
1743 Entered Mode 1.
December 22, 1996         0133           Entered action for secondary sulfates high on all three Steam Generators.
2224 Unit placed on-line.
                                                                                                              'I 0921           Cleared chemistry hold.
2325 Unit stabilized at 30% power, 240 MWe.
1030           Commenced ramp to full power.
December 22, 1996 0133 Entered action for secondary sulfates high on all three Steam Generators.
1123           Stopped ramp at 48% power, 388 MWe for calibration of N43 detector.
'I 0921 Cleared chemistry hold.
1505           Commenced ramp.
1030 Commenced ramp to full power.
1610           Holding ramp at 66% power, 613 MWe foe Main Generator Differential Gas Temperature alarm.
1123 Stopped ramp at 48% power, 388 MWe for calibration of N43 detector.
1645           Commenced ramp after investigating alarm.
1505 Commenced ramp.
1719           Holding ramp at 76% power, 735 MWe due to oscillations on #1 Governor valve.
1610 Holding ramp at 66% power, 613 MWe foe Main Generator Differential Gas Temperature alarm.
l 2000           #1 Governor failed closed.           Lost approximately 30 MWe.
1645 Commenced ramp after investigating alarm.
2028           Isolated EHC to #1 Governor.           Unit stable at 72% power, 706 MWe.
1719 Holding ramp at 76% power, 735 MWe due to oscillations on #1 Governor valve.
December 23, 1996         0450           #1 Governor valve returned to program.
l 2000
Increased power to 80%, 756 MWe to observe valve operation.                                                   l 0740           Commenced ramping unit to 100% after observing
#1 Governor failed closed.
                                              #1 Governor valve.                                                 l l
Lost approximately 30 MWe.
2028 Isolated EHC to #1 Governor.
Unit stable at 72% power, 706 MWe.
December 23, 1996 0450
#1 Governor valve returned to program.
Increased power to 80%, 756 MWe to observe valve operation.
0740 Commenced ramping unit to 100% after observing
#1 Governor valve.


  ^
^
NORTH ANNA POWER STATION UNIT No.:   2 MONTH: December                                                     l SLM4ARY OF OPERATING EXPERIENCE Page 3 of 3 Listed below in chronological sequence is a summary of operating experiences for this month which required load reductions or resulted in significant non-load related incidents.
NORTH ANNA POWER STATION UNIT No.:
Date           Time                                   Data December 23,-1996     0825                       Reactor stable at 87% power for calorimetric.
2 MONTH: December SLM4ARY OF OPERATING EXPERIENCE Page 3 of 3 Listed below in chronological sequence is a summary of operating experiences for this month which required load reductions or resulted in significant non-load related incidents.
i 0839                       Recommenced ramp to 96% power.                                       i l
Date Time Data December 23,-1996 0825 Reactor stable at 87% power for calorimetric.
0859                       Hold unit ramp at 95% power for adjusting                           )
i 0839 Recommenced ramp to 96% power.
Nuclear Instrumentation.                                             '
i 0859 Hold unit ramp at 95% power for adjusting Nuclear Instrumentation.
1114                       Recommenced ramp to 100% power.
1114 Recommenced ramp to 100% power.
1214                       Unit stable at 100% power, 948 MWe.                                 !
1214 Unit stable at 100% power, 948 MWe.
December 31, 1996     2400                       Ended nionth in Mode 1 at 100% power, 952 MWe.                       ,
December 31, 1996 2400 Ended nionth in Mode 1 at 100% power, 952 MWe.


Page 1   of 1 UNIT SHUTDOWN AND POWER REDUCTIONS Explanation Sheet Docket No.:   50-339 Report Month December Unit Name:     NA-2 Year:   1996   Date: January 5, 1997
Page 1
of 1
UNIT SHUTDOWN AND POWER REDUCTIONS Explanation Sheet Docket No.:
50-339 Report Month December Unit Name:
NA-2 Year:
1996 Date: January 5, 1997


==Contact:==
==Contact:==
W. R. Matthews 96-03 November 12, 1996     0853 hours Automatic reactor trip due to Main Generator Differential Lock Out Relay actuation.
W. R. Matthews 96-03 November 12, 1996 0853 hours Automatic reactor trip due to Main Generator Differential Lock Out Relay actuation.
December 15, 1996     0337 hours Entered Mode 4.
December 15, 1996 0337 hours Entered Mode 4.
December 15, 1996     1753 hours Commenced cooldown to Mode 5 due to   "B" RHR pump rotating backwards from discharge check valve not fully closed.
December 15, 1996 1753 hours Commenced cooldown to Mode 5 due to "B" RHR pump rotating backwards from discharge check valve not fully closed.
December 19, 1996     0235 hours Entered Mode 4.
December 19, 1996 0235 hours Entered Mode 4.
December 21, 1996     0040 hours Entered Mode 3.
December 21, 1996 0040 hours Entered Mode 3.
December 21, 1996     1545 hours Entered Mode 2.
December 21, 1996 1545 hours Entered Mode 2.
December 21, 1996     1618 hours Reactor critical.
December 21, 1996 1618 hours Reactor critical.
December 21, 1996     1743 hours Entered Mode 1.
December 21, 1996 1743 hours Entered Mode 1.
December 21, 1996     2224 hours Unit placed on-line.
December 21, 1996 2224 hours Unit placed on-line.
I
I


UNIT SHUTDOWS AND POWER REDUCTIONS DOCKET NO.:     50-339 UNIT NAME: NA-2 DATE: January.5, 1997                                 ,
UNIT SHUTDOWS AND POWER REDUCTIONS DOCKET NO.:
REPORT MONTH: December 1996                                                     CONTACT: W. R. Matthews PHONE: (540) 894-2101                                           ;
50-339 UNIT NAME:
1                                                                                                       2             3                       4             5 No.     Date     Type                         Duration Reason                                                                     Method of   Licensee     System     Component           Cause & Corrective (hrs)                                                             Shutting     Event         Code       Code                 Action to                                             [
NA-2 DATE: January.5, 1997 REPORT MONTH: December 1996 CONTACT: W. R. Matthews PHONE: (540) 894-2101 h
Down Reactor Report #                                     Prevent Recurrence L
1 2
i 96- 3   961112   F                                     526.35                                                           A                 3 2-96-003       TB       TG           Main Generator "A" Phase                                         r Fault Caused by Foreign Material Blocking Cooling                                       ;
3 4
l                                                                                                                                                                                          Flow 4*
5 f
1: Type         2: Reason                                                                                                                                   3: Method F= Forced       A= Equipment Failure (explain)                                                                                                               l= Manual                 Exhibit F - Instructions S= Scheduled   B= Maintenance or Test                                                                                                                       2= Manual Scram           for preparation of Data C= Refueling                                                                                                                                 3= Automatic Scram       Entry Sheets for Licensee                                       ;
No.
D= Regulatory Restriction                                                                                                                   4= Continuations         Event Report (LER) File                                       i E= Operator Training & License Examination                                                                                                   5= Load Reduction         (NUREG-0161)                                                 f F= Administrative                                                                                                                           9=Other                                                                                 j G= Operational Error                                                                                                                                                 5.                                                             ;
Date Type Duration Reason Method of Licensee System Component Cause & Corrective (hrs)
H=Other (explain)                                                                                                                                                     Exhibit H - Same Source                                       i i
Shutting Event Code Code Action to
f i
[
t i
Down Reactor Report #
t
Prevent Recurrence L
                            - _ _ _ - _ - _ . _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ - _ _ _ _ _ _ - _ _ _ _ _ - _ _ _ _ _ _                              _ __      -    -  . _ . .        ~           -        - - - _ _ _ _ _ _ _ _ _ _ _}}
i v
96-3 961112 F
526.35 A
3 2-96-003 TB TG Main Generator "A" Phase r
Fault Caused by Foreign Material Blocking Cooling l
Flow 1: Type 2: Reason 3: Method 4*
F= Forced A= Equipment Failure (explain) l= Manual Exhibit F - Instructions S= Scheduled B= Maintenance or Test 2= Manual Scram for preparation of Data C= Refueling 3= Automatic Scram Entry Sheets for Licensee D= Regulatory Restriction 4= Continuations Event Report (LER) File i
E= Operator Training & License Examination 5= Load Reduction (NUREG-0161) f F= Administrative 9=Other j
G= Operational Error 5.
H=Other (explain)
Exhibit H - Same Source i
i fi t
i t
~
- - -}}

Latest revision as of 08:16, 12 December 2024

Monthly Operating Repts for Dec 1996 for North Anna Power Station Units 1 & 2
ML20133G529
Person / Time
Site: North Anna  
Issue date: 12/31/1996
From: Matthews W
VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
97-016, 97-16, NUDOCS 9701160074
Download: ML20133G529 (14)
v • d • e


Text

.

VlltGINIA 13LECTHIC AND POWEli COMPANY HIcnwoxo,VIHOINIA 20261 January 8,1997 United States Nuclear Regulatory Commission Serial No.97-016 Attention: Document Control Desk NAPS /JHL Washington, D. C. 20555 Docket Nos.

50-338 50-339 License Nos. NPF-4 NPF-7 Gentlemen:

VIRGINIA ELECTRIC AND POWER COMPANY NORTH ANNA POWER STATION UNIT NOS.1 AND 2 MONTHLY OPERATING REPORT Enclosed is the December 1996 Monthly Operating Report for North Anna Power Station Unit 1 and 2.

Very truly yours,

/v'd W W. R. Matthews Station Manager Enclosure cc:

U. S. Nuclear Regulatory Commission Region 11 101 Marietta Street, N. W.

Suite 2900 Atlanta, Georgia 30323 160023 i

Mr. R. D. McWhorter 7j

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NRC Senior Resident inspector

/

North Anna Power Station

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l 9701160074 961231 PDR ADOCK 05000338 R

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VIRGINIA POWER COMPANY l

NORTH ANNA POWER STATION MONTHLY OPERATING REPORT h

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MONTH:. December YEAR: _1995 I

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Approved:

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bM Station Manager 1

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OPERATING DATA REPORT DOCFT.T NO.

50-338 DATE: January 5, 1997 CONTACT:

W. R. Ntthews PHONE:

(540) 894-2101 OPERATING STATUS 1.

Unit Names.

North Anna 1 2.

euporting Periods..

December 1996 3.

Licensed Thermal Power (MHt).

2,893 4.

Nameplate Rating (Gross MHe)..

994 5.

Design Electrical Rating (Net H4el s.

907 6.

Maximum Dependable capacity (Gross MWe).

940 7

Maximum Dependable Capacity (Net IWe).

893 8.

If changes occur to C@acf 'y Ratings (Items 3 thru 71 since last report, give reasons:

N/A 9.

Poser level to which restricted, if any (Net HHe):

N/A 10.

Reasons for restrictions, if anyi N/A This Month Y-t-D Cumulative 11.

Hours in Reporting Period.

144.0 8,784.0 162,420.0 i

12.

Number of Ho.rs Reactor was Critical.

744.0 0,030.8 125,217,2 13.

Reactor Reserve Shutdown Hours.

0.0 94.6 7,046.0 14.

Hours Generator On-Line.

744,0 7,986.3 122,173.8 15.

".at Reserve Shutdown Hours.

0.0 0.0 0.0 i

l 16.

Cross Thermal Energy Generated (MHlO..

2,151,824.5 22,266,199.5 327,580,536.6 17.

Gross Electrical Energy Generated (MHH).

707,125.0 7,312.073.0 144,642,686.0 18.

Net Electrical Energy Generated (MHIO.

673,186.0 6,945,500.0 101,986,654.0 19.

Unit Service Factor..

100.06 90.9%

75.2%

20.

Unit Availability Factor.

100.06 90.9%

75.2%

21.

Unit Capacity Factor (using MDC Net)..

101.34 88.5%

70.3%

22.

Unit Capacity Factor f using DER Net).

99.86 87.26 69.2%

23.

Forced Outage Rate.

0.04 0.9%

0.84 24.

Shutdowns Scheduled Over Next 6 Months (Type, Date, Duration of Lach):

N/A 25.

If Shutdown at end of Report Period, estimated time of Startups N/A 26.

Units in Test Status (Prior to Consnercial Operation):

Forecast Achieved INITIAL CRITICALITY INITIAL ELECTRICITY COM4ERCIAL OPEPATION

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4

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i AVERAGE DAILY UNIT POWER LEVEL 4

Docket No.:

50-338 j

Unit:

NA-1 Date:

January 5, 1997

Contact:

W. R. Matthews Phone:

(540) 894-2101 i

1 MONTH: December 1996 i

DAY AVERAGE DAILY POWER DAY AVERAGE DAILY POWER 1

LEVEL (MWe-Net)

LEVEL (MWe-Net) 1 904 17 904 2

904 18 906 3

904 19 906 4

905 20 905 5

905 21 904 y

6 905 22 905 7

905 23 905 8

905 24 905 9

904 25 905 10 905 26 905 11 904 27 901 12 905 28 906 13 905 14 905 29 906 15 906 30 906 16 905 31 906 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.

3

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NORTH ANNA POWER STATION i

UNIT NO.:

1 HONTH: December i

j SLR44ARY OF OPERATING EXPERIENCE Page 1 of 1 Listed below in chronological sequence is a summary of operating experiences for this month which required load reductions or resulted in significant non-load related incidents.

j Date Time Data December 01, 1996 0000 Began month with unit at 100% power, 954 MWe,

)

December 27, 1996 0924 Commenced ramp down for Turbine Valve Freedom Test (TVFT).

1005 Unit stable at 92% power, 875 MWe.

1040 TVFT complete satisfactorily.

Commenced ramp to'100% power.

1130 Unit stable at 100% power, 950 MWe, December 31, 1996 2400 Ended month with unit stable at 100% power, 951 l

1 MWe.

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Page 1

of 1

UNIT SHUTDOWN AND POWER REDUCTIONS Explanation Sheet Docket No.:

50-338 J

1 Report Month December Unit Name:

NA-1 Year:

1996 Date: January 5, 1997

Contact:

W. R. Matthews

  • No entries this month.

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UNIT SHUTDOWS AND POWER REDUCTIONS DOCKET No.:

50-338 UNIT NAME:

NA-1 DATE: January 5,

1997 REPORT MONTH: December 1996 CONTACT: W.

R. Matthews PHONE: (540) 894-2101 1

2 3

4 5

No.

Date Type Duration Reason Method of Licensee System Component Cause & Corrective thrs)

Shutting Event Code Code Action to Down Reactor Report i Prevent Recurrence

  • No entries this month.

1: Type 2: Reason 3: Method 4:

F= Forced A= Equipment Failure (explain) l= Manual Exhibit F - Instructions S= Scheduled B= Maintenance or Test 2= Manual Scram for preparation of Data C= Refueling 3= Automatic Scram Entry Sheets for Licensee D= Regulatory Restriction 4= Continuations Event Report (LER) File E= Operator Training & License Examination 5= Load Reduction (NUREG-0161)

F= Administrative 9=Other G= Operational Error 5:

H=Other (explain)

Exhibit H - Same Source A

a

CPERATING DATA REP!RT

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l DOCKET NO.

50-339 LATE: January 5, 1991 CONTACT W. R. Matthews PHOhEs (540) 894-2101 OPF. RATING STATUS 1.

Unit Names..

North Anna 2 2.

Reporting Periods.

December 1996 3.

Licensed Thermal Power (MWt)..

2,893 4.

Nameplate Rating Noss MWe).

979 5.

Design Electrical Rating (Net MWe).

907 6.

Maximum Dependable Capacity (Cross MWe).

944 7.

Maximum Dependable Capacity (Net HWe).

897 6.

If changes occur to Capacity Ratings (Items 3 thru 73 since last report, give reasons:

N/A 9.

Power level to which restricted, if any (Net MWe):

N/A 10.

Reasons for restrictions, if any:

N/A This Month Y-t*D Cumulative 11.

Hours in Peporting Period...

744.0 0,784.0 140,688.0 12.

Number of Hours Peactor was Critical.

223.7 6,897.6 116,955.2 13.

Reactor Reserve Shutdown Hours.

80.2 627.2 7,162.2 14.

Hours Generator On-Line.

217.7 6,861.1 115,784.2 15.

Uni t Reserve Shutdown Hours......

0.0 0.0 0.0 16.

Cross thermal Energy Generated (Pt4H)..

653,128.4 19,604,679.3 315,581,918.0 17.

Gross Electrical Energy Generated (MWH).

213,952.0 6,437,817.0 103,269,235.0 18.

Het Electrical Energy Generated (HWH).

203,326.0 6,121,543.0 98,693,182.0 19.

Unit Service Factor.

29.34 78.1%

82.36 20.

Unit Availability Factor.

29.3%

78.14 82.3%

21.

Unit Capacity Factor (using MDC Net).

30.5%

77.7%

78.Cl 22.

Unit Capacity Factor (using DER Net).

30.1%

76.8%

77.36 23.

Forced Outage Pate.

70.16 13.54 4.6%

24.

Shutdowns Scheduled Over Next 6 Months (Type, Date, Duration of Each)s N/A 25.

If Shutdown at end of Report Period, estimated time of Startup N/A

)

26.

Units in Test Status (Frier to Comercial Operation):

Forecast Achieved INITI AL CRITICALITY INITIAL ELECTRICITY COF94EHCIAL OFEPATION l

i AVERAGE DAILY UNIT POWER LEVEL Docket No.:

50-339 Unit:

NA-2 Date:

January 5, 1997

Contact:

W. R. Matthews Phone:

(540) 894-2101 MONTH: December 1996 DAY AVERAGE DAILY POWER DAY AVERAGE DAILY POWER LEVEL (MWe-Net)

LEVEL (MWe-Net) 1 0

17 0

2 0

18 0

3 0

19 0

4 0

20 0

5 0

21 10 6

0 22 387 i

7 0

23 822 8

0 24 905 J

9 0

25 907 10 0

26 906 11 0

27 906 12 0

28 907 13 0

29 908 14 0

30 907

~ 15 0

31 907 16 0

l 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.

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J NORTH ANNA POWER STATION f

j UNIT NO.:. 2 MONTH: December Sibt4ARY OF OPERATING EXPERIENCE-Page 1 of 3 Listed below in chronological sequence is a summary of operating experiences for this month which required load reductions or resulted in significant non-load related incidents.

1 Date Time Data i

December 01, 1996 0000 Began month in Mode 5 for Main Generator repairs.

i December 15, 1996 0333 Began heatup of RCS.

]

0337 Entered Mode'4.

1400 Found 2-RH-P-1B rotating backwards from discharge check valve not fully closed.

5 1500 Suspended heatup at 300 F.

1753 Began cooldown to Mode 5 for repairs.

2235 Entered Mode 5.

2325 Unit stable at 185 F, 320 psi.

December 19, 1996 0228 Commenced RCS heatup to 340* F.

0235 Entered Mode 4.

December '20, 1996 1710 Secured RHR; continuing to heatup.

l 1800 RCS temperature stable at 340 F.

2244 Commence RCS pressurization.

December 21, 1996 0040 Entered Mode 3.

0910 Shutdown Control Rod banks withdrawn.

1403 Dilution for criticality complete.

1527 Commenced Reactor startup.

1545 Entered Mode 2.

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NORTH ANNA POWER STATION l

UNIT No.:

2 MONTH: December l

SIDNARY OF OPERATING EXPERIENCE l

Page 2 of 3 Listed below in chronological sequence is a summary of operating experiences for this month which required load reductions or resulted in significant non-load related incidents.

Date Time Data j

December 21, 1996 1618 Reactor critical.

1743 Entered Mode 1.

2224 Unit placed on-line.

2325 Unit stabilized at 30% power, 240 MWe.

December 22, 1996 0133 Entered action for secondary sulfates high on all three Steam Generators.

'I 0921 Cleared chemistry hold.

1030 Commenced ramp to full power.

1123 Stopped ramp at 48% power, 388 MWe for calibration of N43 detector.

1505 Commenced ramp.

1610 Holding ramp at 66% power, 613 MWe foe Main Generator Differential Gas Temperature alarm.

1645 Commenced ramp after investigating alarm.

1719 Holding ramp at 76% power, 735 MWe due to oscillations on #1 Governor valve.

l 2000

  1. 1 Governor failed closed.

Lost approximately 30 MWe.

2028 Isolated EHC to #1 Governor.

Unit stable at 72% power, 706 MWe.

December 23, 1996 0450

  1. 1 Governor valve returned to program.

Increased power to 80%, 756 MWe to observe valve operation.

0740 Commenced ramping unit to 100% after observing

  1. 1 Governor valve.

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NORTH ANNA POWER STATION UNIT No.:

2 MONTH: December SLM4ARY OF OPERATING EXPERIENCE Page 3 of 3 Listed below in chronological sequence is a summary of operating experiences for this month which required load reductions or resulted in significant non-load related incidents.

Date Time Data December 23,-1996 0825 Reactor stable at 87% power for calorimetric.

i 0839 Recommenced ramp to 96% power.

i 0859 Hold unit ramp at 95% power for adjusting Nuclear Instrumentation.

1114 Recommenced ramp to 100% power.

1214 Unit stable at 100% power, 948 MWe.

December 31, 1996 2400 Ended nionth in Mode 1 at 100% power, 952 MWe.

Page 1

of 1

UNIT SHUTDOWN AND POWER REDUCTIONS Explanation Sheet Docket No.:

50-339 Report Month December Unit Name:

NA-2 Year:

1996 Date: January 5, 1997

Contact:

W. R. Matthews 96-03 November 12, 1996 0853 hours0.00987 days <br />0.237 hours <br />0.00141 weeks <br />3.245665e-4 months <br /> Automatic reactor trip due to Main Generator Differential Lock Out Relay actuation.

December 15, 1996 0337 hours0.0039 days <br />0.0936 hours <br />5.57209e-4 weeks <br />1.282285e-4 months <br /> Entered Mode 4.

December 15, 1996 1753 hours0.0203 days <br />0.487 hours <br />0.0029 weeks <br />6.670165e-4 months <br /> Commenced cooldown to Mode 5 due to "B" RHR pump rotating backwards from discharge check valve not fully closed.

December 19, 1996 0235 hours0.00272 days <br />0.0653 hours <br />3.885582e-4 weeks <br />8.94175e-5 months <br /> Entered Mode 4.

December 21, 1996 0040 hours4.62963e-4 days <br />0.0111 hours <br />6.613757e-5 weeks <br />1.522e-5 months <br /> Entered Mode 3.

December 21, 1996 1545 hours0.0179 days <br />0.429 hours <br />0.00255 weeks <br />5.878725e-4 months <br /> Entered Mode 2.

December 21, 1996 1618 hours0.0187 days <br />0.449 hours <br />0.00268 weeks <br />6.15649e-4 months <br /> Reactor critical.

December 21, 1996 1743 hours0.0202 days <br />0.484 hours <br />0.00288 weeks <br />6.632115e-4 months <br /> Entered Mode 1.

December 21, 1996 2224 hours0.0257 days <br />0.618 hours <br />0.00368 weeks <br />8.46232e-4 months <br /> Unit placed on-line.

I

UNIT SHUTDOWS AND POWER REDUCTIONS DOCKET NO.:

50-339 UNIT NAME:

NA-2 DATE: January.5, 1997 REPORT MONTH: December 1996 CONTACT: W. R. Matthews PHONE: (540) 894-2101 h

1 2

3 4

5 f

No.

Date Type Duration Reason Method of Licensee System Component Cause & Corrective (hrs)

Shutting Event Code Code Action to

[

Down Reactor Report #

Prevent Recurrence L

i v

96-3 961112 F

526.35 A

3 2-96-003 TB TG Main Generator "A" Phase r

Fault Caused by Foreign Material Blocking Cooling l

Flow 1: Type 2: Reason 3: Method 4*

F= Forced A= Equipment Failure (explain) l= Manual Exhibit F - Instructions S= Scheduled B= Maintenance or Test 2= Manual Scram for preparation of Data C= Refueling 3= Automatic Scram Entry Sheets for Licensee D= Regulatory Restriction 4= Continuations Event Report (LER) File i

E= Operator Training & License Examination 5= Load Reduction (NUREG-0161) f F= Administrative 9=Other j

G= Operational Error 5.

H=Other (explain)

Exhibit H - Same Source i

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