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| number = ML20199E673
| number = ML20199E673
| issue date = 12/31/1998
| issue date = 12/31/1998
| title = Monthly Operating Rept for Dec 1998 for Seabrook Station, Unit 1.With 990113 Ltr
| title = Monthly Operating Rept for Dec 1998 for Seabrook Station, Unit 1.With
| author name = Diprofio W, Nardone P
| author name = Diprofio W, Nardone P
| author affiliation = NORTH ATLANTIC ENERGY SERVICE CORP. (NAESCO)
| author affiliation = NORTH ATLANTIC ENERGY SERVICE CORP. (NAESCO)
Line 11: Line 11:
| contact person =  
| contact person =  
| document report number = NYN-99006, NUDOCS 9901210048
| document report number = NYN-99006, NUDOCS 9901210048
| title reference date = 01-13-1999
| document type = MONTHLY OPERATING ANALYSIS REPORT, TEXT-SAFETY REPORT
| document type = MONTHLY OPERATING ANALYSIS REPORT, TEXT-SAFETY REPORT
| page count = 5
| page count = 5
Line 16: Line 17:


=Text=
=Text=
{{#Wiki_filter:. - . - -                            -                 .
{{#Wiki_filter:-.
                        '                                                        North Atlantic Energy Service Corporation North                                               i' o i w 3
North Atlantic Energy Service Corporation North i' o i w 3
* Seabrook, Nil 03874 Atlaintic (w3> 4:4m2i The Northeast Utilitien Sptem January 13,1999 i
* Seabrook, Nil 03874 Atlaintic (w3> 4:4m2i The Northeast Utilitien Sptem January 13,1999 i
Docket No. 50-443                                     l NYN-99006 1
Docket No. 50-443 l
United States Nuclear Regulatory Commission                                                                             I Attention: Document Control Desk                                                                                         ,
NYN-99006 1
Washington, DC 20555-0001                                                                                                 l Seabrook Station                                                             l Monthly Oneratine Report l
United States Nuclear Regulatory Commission I
Enclosed please find Monthly Operating Report 98-12. This report addresses the operating and shutdown experience relating to Seabrook Station Unit 1 for the month of December,1998 and is submitted in accordance with the requirements of Seabrook Station Technical Specification 6.8.1.5.
Attention: Document Control Desk Washington, DC 20555-0001 Seabrook Station Monthly Oneratine Report Enclosed please find Monthly Operating Report 98-12. This report addresses the operating and shutdown experience relating to Seabrook Station Unit 1 for the month of December,1998 and is submitted in accordance with the requirements of Seabrook Station Technical Specification 6.8.1.5.
Should you require further information regarding this matter,                               please       contact Mr. Terry L. Harpster, Director of Licensing Services, at (603) 773-7765.
Should you require further information regarding this
: matter, please contact Mr. Terry L. Harpster, Director of Licensing Services, at (603) 773-7765.
Very truly yours, NORTH ATLANTIC ENERGY SERVICE CORP.
Very truly yours, NORTH ATLANTIC ENERGY SERVICE CORP.
I
.A G l
!                                                              .A G W. A.DiProfio Station Director C                                                        l f   ,
W. A.DiProfio C
l                                                                                                                                 i I
Station Director f
cc:
l i
i H. L Miller, NRC Region I Administrator J. T. Harrison, NRC Project Manager, Project Directorate 1-3
I cc:
H. L Miller, NRC Region I Administrator
[hM j
[hM j
R. K. Lorson, NRC Senior Resident Inspector r"p" 9901210048 981231 PDR       ADOCK 05000443 R                       PDR !
i J. T. Harrison, NRC Project Manager, Project Directorate 1-3 R. K. Lorson, NRC Senior Resident Inspector r p" 9901210048 981231 PDR ADOCK 05000443 R
PDR !
I
I


OPERATING DATA REPORT DOCKET NO.         50-443 UNIT Seabrooki DATE January 1,1999 COMPLETED BY         P.E. Nardone TELEPl10NE W)3) 773 7074 OPERATING STATUS
OPERATING DATA REPORT DOCKET NO.
: 1. Umt Name:                                                                                 Seabrook Station Umt 1
50-443 UNIT Seabrooki DATE January 1,1999 COMPLETED BY P.E. Nardone TELEPl10NE W)3) 773 7074 OPERATING STATUS 1.
: 2. Reportmg Period:                                                                           DECEMBER 1998
Umt Name:
: 3. Licensed Thermal Power (MWt):                                                                                     3411
Seabrook Station Umt 1 2.
: 4. Nameplate Ratmg (Gross MWe):                                                                                     1242
Reportmg Period:
: 5. Design Electrical Ratmg (Net MWe):                                                                               1148 A     Matimum Dependable Capacity (Gross MWe):                                                                         1204
DECEMBER 1998 3.
: 7. Maximum Dependable Capacity (Net MWe):                                                                             1158
Licensed Thermal Power (MWt):
: 8. If Changes Occur in Capacity Ratings (Items Number 3 through 7) Since Last                 Not Applicable Report, Give Reasons:
3411 4.
: 9. Power level To Which Restricted, If Any (Net MWe):                                         None
Nameplate Ratmg (Gross MWe):
: 10. Reasons For Restrictions, if Any:                                                           Not Applicable This Month                 Yr-to-Date             Cumulanvc
1242 5.
: 11. Ilours in Reportmg Period                                                     744.0                   8760 0                               107017.0
Design Electrical Ratmg (Net MWe):
: 12. Number of flours Reactor Was Critical                                         693.4                   7399.5                                 M 062.9
1148 A
: 13. Reactor Reserve Shutdown llours                                                       0.0                 3.0                                   953.3
Matimum Dependable Capacity (Gross MWe):
: 14. Ilours Generator On-Line                                                     685.1                   7295.9                                 61527.3
1204 7.
: 15. Umt Reserve Shutdown flours                                                           0.0               0.0                                         0.0
Maximum Dependable Capacity (Net MWe):
: 16. Gross Thermal Energy Generated (MWil)                                     2311092                   24702291                           2M160374
1158 8.
: 17. Gross Elec. Energy Generated (MWit)                                       817N3                     8717037                               71357947
If Changes Occur in Capacity Ratings (Items Number 3 through 7) Since Last Not Applicable Report, Give Reasons:
: 18. Net Electrical Energy Generated (MWif)                                     786018                   8388432                               68586086
9.
                        *19. Unit Service Factor                                                               92.1                 83.3                                       82.0
Power level To Which Restricted, If Any (Net MWe):
                        *20. Unit Availability Factor                                                           92.1                 83.3                                       82.0
None 10.
                        *21. Umt Capacity Factor (Using MDC Net)                                               91.2                 82.7                                       79 9
Reasons For Restrictions, if Any:
                        *22. Unit Capacity Factor (Using DER Net)                                               92.0                 83.4                                       80.2
Not Applicable This Month Yr-to-Date Cumulanvc 11.
                        *23. Umt Forced Outage Rate                                                                 7.9               16.7                                         7.3
Ilours in Reportmg Period 744.0 8760 0 107017.0 12.
: 24. Shutdowns Scheduled Over Next 6 Months (Type, Date,           Refuelirw. 03/27/99, 45 days
Number of flours Reactor Was Critical 693.4 7399.5 M 062.9 13.
;                                and Duration of Each):
Reactor Reserve Shutdown llours 0.0 3.0 953.3 14.
?                       25. If Shut Down At End Of Report Period, Esumated Date of         Not Applicable                                                                                         )
Ilours Generator On-Line 685.1 7295.9 61527.3 15.
Umt Reserve Shutdown flours 0.0 0.0 0.0 16.
Gross Thermal Energy Generated (MWil) 2311092 24702291 2M160374 17.
Gross Elec. Energy Generated (MWit) 817N3 8717037 71357947 18.
Net Electrical Energy Generated (MWif) 786018 8388432 68586086
*19.
Unit Service Factor 92.1 83.3 82.0
*20.
Unit Availability Factor 92.1 83.3 82.0
*21.
Umt Capacity Factor (Using MDC Net) 91.2 82.7 79 9
*22.
Unit Capacity Factor (Using DER Net) 92.0 83.4 80.2
*23.
Umt Forced Outage Rate 7.9 16.7 7.3 24.
Shutdowns Scheduled Over Next 6 Months (Type, Date, Refuelirw. 03/27/99, 45 days and Duration of Each):
?
25.
If Shut Down At End Of Report Period, Esumated Date of Not Applicable
)
Startup:
Startup:
{
{
                                                                                                                                                                                    -                J 1
J 1
* NOTE: 'Curautative" values based on total hours startmp 8/19/90, date Regu:ar Full Power Operation began.
* NOTE: 'Curautative" values based on total hours startmp 8/19/90, date Regu:ar Full Power Operation began.
Increased MDC values (Items 6 & 7) starting 12/01/95.
Increased MDC values (Items 6 & 7) starting 12/01/95.
Line 68: Line 91:
1 of 4
1 of 4


AVERAGE DAILY UNIT POWER LEVEL DOCKET NO.     50-443 UNIT Seabrook i DATE January 1, IW)
AVERAGE DAILY UNIT POWER LEVEL DOCKET NO.
COMPLETED BY     P.E. Nardone TELEPHONE (603) 773 7074
50-443 UNIT Seabrook i DATE January 1, IW)
COMPLETED BY P.E. Nardone TELEPHONE (603) 773 7074
[
[
MONTil DECEMBER,1998 DAY             AVERAGE DAILY POWER LEVEL                                             DAY                   AVERAGE DAILY POWER F.EVEL (MWe-Net)                                                                                 (MWe-Net) 1                               1161                                                 17                               1160 2                               1161                                                 18                               1160 3                               1161                                                 19                               1160 4                               1161                                                 20                               1161 5                               1161                                                 21                               1161 6                               !!61                                                 22                               409 7                               1162                                                 23                                 0 8                               1161                                                 24                                 50 9                               1161                                                 25                               %3 10                               1861                                                 26                               1158                 h 11                               1160                                                 27                               1159 12                               1160                                                 28                               1160 13                               1160                                                 29                               11(4 14                               1160                                                 30                               1160 15                               1160                                                 31                               1159 16                               1160                                                   -
MONTil DECEMBER,1998 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER F.EVEL (MWe-Net)
INSTRUCTIONS On this format, list the average daily unit power level in MWe-Net for each day in the reporting month. Compute 'o the nearest whole rners vatt.
(MWe-Net) 1 1161 17 1160 2
l                                                                                       2 Of 4
1161 18 1160 3
1161 19 1160 4
1161 20 1161 5
1161 21 1161 6
!!61 22 409 7
1162 23 0
8 1161 24 50 9
1161 25
%3 10 1861 26 1158 h
11 1160 27 1159 12 1160 28 1160 13 1160 29 11(4 14 1160 30 1160 15 1160 31 1159 16 1160 INSTRUCTIONS On this format, list the average daily unit power level in MWe-Net for each day in the reporting month. Compute 'o the nearest whole rners vatt.
l 2 Of 4


UNIT SliL'TDOWNS AND POWER REDUCTIONS                                                                                                                                                                                                       '
UNIT SliL'TDOWNS AND POWER REDUCTIONS DOCKLTNO.
DOCKLTNO.     50-443 UNIT Seabrook 1 DATE January I,1999 COMPLETED BY               P.E. Nardone TELEPIIONE (ed)3) 773-7074 MONT3 DECEMBER 1998 NO.                   DATE     TVPE'         DURATION           REASON 2        METIIOD OF EltUITING             L NSEE EVENT                                                                                               CAUSE & CORRECTIVE ACTION TI) PREVENT (llOURS)                               DOWN REACTOR
50-443 UNIT Seabrook 1 DATE January I,1999 COMPLETED BY P.E. Nardone TELEPIIONE (ed)3) 773-7074 MONT3 DECEMBER 1998 2
* TT*N)RT #                                                                                                                           RECURRENCE         Page1 ofI Automatic reactor trip on turbme trip.
NO.
984)7                 12/22/98     F               58.9             B/A                         3                     98414 Generator protectise relaying inpped the main generator breaker when a pole disagreement was detected while opening 345 KV Switchyard Breaker 163.
DATE TVPE' DURATION REASON METIIOD OF EltUITING L
NSEE EVENT CAUSE & CORRECTIVE ACTION TI) PREVENT (llOURS)
DOWN REACTOR
* TT*N)RT #
RECURRENCE Page1 ofI Automatic reactor trip on turbme trip.
984)7 12/22/98 F
58.9 B/A 3
98414 Generator protectise relaying inpped the main generator breaker when a pole disagreement was detected while opening 345 KV Switchyard Breaker 163.
De Umt returned to Mi power operation on 12/25/98.
De Umt returned to Mi power operation on 12/25/98.
See LER 984)l4 for information on root cause and corrective action.
See LER 984)l4 for information on root cause and corrective action.
t 4                               2                                                 3 F: Forced                         Reason:                                         Metint:
4 2
S: Scheduled                     A - Equipment F-. iture (Explain)                 1 - Manual B - Maintenance or Test                         2 - Mamtal Scram C - Refueling                                     3 - Automatic Scram D - Regulatory Restriction                       4 - Continued from previous nxmth E - Operator Training & License Examination     5 - Power Reduction (Duration = 0)
3 t
F - Administrative                               9 - Other (Explain)
F: Forced Reason:
G - Operational Error (Explain) 11 - Other (Explain) 3 of 4
Metint:
S: Scheduled A - Equipment F-iture (Explain) 1 - Manual B - Maintenance or Test 2 - Mamtal Scram C - Refueling 3 - Automatic Scram D - Regulatory Restriction 4 - Continued from previous nxmth E - Operator Training & License Examination 5 - Power Reduction (Duration = 0)
F - Administrative 9 - Other (Explain)
G - Operational Error (Explain) 11 - Other (Explain) c 3 of 4


l     .                                                                                                                                    1 i   .    ?                                     REFUELING INFORMATION REQUEST DOCKET NO. 50-443 UNIT Seabrook I
l i
                                                                                                                                            ]
?
DATE January 1,1999 COMPLETED BY   P.E. Nardone TELEPilONE (603) 773-7074
REFUELING INFORMATION REQUEST DOCKET NO.
: 1. Name of Facility:                                 Seabrook Unit I l
50-443 UNIT Seabrook I
: 2. Scheduled date for next refueling shutdown:       Refueling Outage 6,   03/27/99                                             i l
]
: 3. Scheduled date for restart following refueling: Refueling Outage 6, 05/10/99 [ 45 days ]
DATE January 1,1999 COMPLETED BY P.E. Nardone TELEPilONE (603) 773-7074 1.
: 4. Will refueling or resumption of operation thereafter require a technical specification change or other license amendment?
Name of Facility:
N/A
Seabrook Unit I l
: 5. Schedule date(s) for submitting licensing action and supporting information:
2.
N/A
Scheduled date for next refueling shutdown:
: 6. Important licensing considerations associated with refueling, e.g., new or different fuel design or supplier, unrenewed design or performance analysis methods, significant changes in fuel design, new operating procedures                           ,
Refueling Outage 6, 03/27/99 i
i N/A                                                                                                               :
l 3.
: 7. The number of fuel assemblies (a) in the core (b) in the spent fuel storage pool and (c) in the new fuel storage vault (a)     193                       (b)     376                           (c)     36 Cycle 07 Fuel Receipt on going 1
Scheduled date for restart following refueling: Refueling Outage 6, 05/10/99 [ 45 days ]
: 8. The present licensed spent fuel pool storage capacity and the size of any increase in licensed storage capacity that has been i requested or is planned, in number of fuel assemblies:
4.
Present licensed capacity:     1236 No increase in storage capacity requested or planned.
Will refueling or resumption of operation thereafter require a technical specification change or other license amendment?
: 9. The projected date of the last refueling that can be discharged to the spent fuel pool assuming the present licensed capacity:
N/A 5.
Schedule date(s) for submitting licensing action and supporting information:
N/A 6.
Important licensing considerations associated with refueling, e.g., new or different fuel design or supplier, unrenewed design or performance analysis methods, significant changes in fuel design, new operating procedures i
N/A 7.
The number of fuel assemblies (a) in the core (b) in the spent fuel storage pool and (c) in the new fuel storage vault (a) 193 (b) 376 (c) 36 Cycle 07 Fuel Receipt on going 1
8.
The present licensed spent fuel pool storage capacity and the size of any increase in licensed storage capacity that has been requested or is planned, in number of fuel assemblies:
Present licensed capacity:
1236 No increase in storage capacity requested or planned.
9.
The projected date of the last refueling that can be discharged to the spent fuel pool assuming the present licensed capacity:
Licensed capacity of 1236 fuel assemblies based on two annual and twelve eighteen-month refuelings with full core offload capability.
Licensed capacity of 1236 fuel assemblies based on two annual and twelve eighteen-month refuelings with full core offload capability.
The current licensed capacity is adequate until at least the year 2010.
The current licensed capacity is adequate until at least the year 2010.
l l
l l
l                                                                                                                                            l l
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.}}
                                          .}}

Latest revision as of 07:54, 10 December 2024

Monthly Operating Rept for Dec 1998 for Seabrook Station, Unit 1.With
ML20199E673
Person / Time
Site: Seabrook NextEra Energy icon.png
Issue date: 12/31/1998
From: Diprofio W, Nardone P
NORTH ATLANTIC ENERGY SERVICE CORP. (NAESCO)
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NYN-99006, NUDOCS 9901210048
Download: ML20199E673 (5)


Text

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North Atlantic Energy Service Corporation North i' o i w 3

  • Seabrook, Nil 03874 Atlaintic (w3> 4:4m2i The Northeast Utilitien Sptem January 13,1999 i

Docket No. 50-443 l

NYN-99006 1

United States Nuclear Regulatory Commission I

Attention: Document Control Desk Washington, DC 20555-0001 Seabrook Station Monthly Oneratine Report Enclosed please find Monthly Operating Report 98-12. This report addresses the operating and shutdown experience relating to Seabrook Station Unit 1 for the month of December,1998 and is submitted in accordance with the requirements of Seabrook Station Technical Specification 6.8.1.5.

Should you require further information regarding this

matter, please contact Mr. Terry L. Harpster, Director of Licensing Services, at (603) 773-7765.

Very truly yours, NORTH ATLANTIC ENERGY SERVICE CORP.

.A G l

W. A.DiProfio C

Station Director f

l i

I cc:

H. L Miller, NRC Region I Administrator

[hM j

i J. T. Harrison, NRC Project Manager, Project Directorate 1-3 R. K. Lorson, NRC Senior Resident Inspector r p" 9901210048 981231 PDR ADOCK 05000443 R

PDR !

I

OPERATING DATA REPORT DOCKET NO.

50-443 UNIT Seabrooki DATE January 1,1999 COMPLETED BY P.E. Nardone TELEPl10NE W)3) 773 7074 OPERATING STATUS 1.

Umt Name:

Seabrook Station Umt 1 2.

Reportmg Period:

DECEMBER 1998 3.

Licensed Thermal Power (MWt):

3411 4.

Nameplate Ratmg (Gross MWe):

1242 5.

Design Electrical Ratmg (Net MWe):

1148 A

Matimum Dependable Capacity (Gross MWe):

1204 7.

Maximum Dependable Capacity (Net MWe):

1158 8.

If Changes Occur in Capacity Ratings (Items Number 3 through 7) Since Last Not Applicable Report, Give Reasons:

9.

Power level To Which Restricted, If Any (Net MWe):

None 10.

Reasons For Restrictions, if Any:

Not Applicable This Month Yr-to-Date Cumulanvc 11.

Ilours in Reportmg Period 744.0 8760 0 107017.0 12.

Number of flours Reactor Was Critical 693.4 7399.5 M 062.9 13.

Reactor Reserve Shutdown llours 0.0 3.0 953.3 14.

Ilours Generator On-Line 685.1 7295.9 61527.3 15.

Umt Reserve Shutdown flours 0.0 0.0 0.0 16.

Gross Thermal Energy Generated (MWil) 2311092 24702291 2M160374 17.

Gross Elec. Energy Generated (MWit) 817N3 8717037 71357947 18.

Net Electrical Energy Generated (MWif) 786018 8388432 68586086

  • 19.

Unit Service Factor 92.1 83.3 82.0

  • 20.

Unit Availability Factor 92.1 83.3 82.0

  • 21.

Umt Capacity Factor (Using MDC Net) 91.2 82.7 79 9

  • 22.

Unit Capacity Factor (Using DER Net) 92.0 83.4 80.2

  • 23.

Umt Forced Outage Rate 7.9 16.7 7.3 24.

Shutdowns Scheduled Over Next 6 Months (Type, Date, Refuelirw. 03/27/99, 45 days and Duration of Each):

?

25.

If Shut Down At End Of Report Period, Esumated Date of Not Applicable

)

Startup:

{

J 1

  • NOTE: 'Curautative" values based on total hours startmp 8/19/90, date Regu:ar Full Power Operation began.

Increased MDC values (Items 6 & 7) starting 12/01/95.

Updated item 4 per NUREG41020 in July 1998.

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AVERAGE DAILY UNIT POWER LEVEL DOCKET NO.

50-443 UNIT Seabrook i DATE January 1, IW)

COMPLETED BY P.E. Nardone TELEPHONE (603) 773 7074

[

MONTil DECEMBER,1998 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER F.EVEL (MWe-Net)

(MWe-Net) 1 1161 17 1160 2

1161 18 1160 3

1161 19 1160 4

1161 20 1161 5

1161 21 1161 6

!!61 22 409 7

1162 23 0

8 1161 24 50 9

1161 25

%3 10 1861 26 1158 h

11 1160 27 1159 12 1160 28 1160 13 1160 29 11(4 14 1160 30 1160 15 1160 31 1159 16 1160 INSTRUCTIONS On this format, list the average daily unit power level in MWe-Net for each day in the reporting month. Compute 'o the nearest whole rners vatt.

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UNIT SliL'TDOWNS AND POWER REDUCTIONS DOCKLTNO.

50-443 UNIT Seabrook 1 DATE January I,1999 COMPLETED BY P.E. Nardone TELEPIIONE (ed)3) 773-7074 MONT3 DECEMBER 1998 2

NO.

DATE TVPE' DURATION REASON METIIOD OF EltUITING L

NSEE EVENT CAUSE & CORRECTIVE ACTION TI) PREVENT (llOURS)

DOWN REACTOR

RECURRENCE Page1 ofI Automatic reactor trip on turbme trip.

984)7 12/22/98 F

58.9 B/A 3

98414 Generator protectise relaying inpped the main generator breaker when a pole disagreement was detected while opening 345 KV Switchyard Breaker 163.

De Umt returned to Mi power operation on 12/25/98.

See LER 984)l4 for information on root cause and corrective action.

4 2

3 t

F: Forced Reason:

Metint:

S: Scheduled A - Equipment F-iture (Explain) 1 - Manual B - Maintenance or Test 2 - Mamtal Scram C - Refueling 3 - Automatic Scram D - Regulatory Restriction 4 - Continued from previous nxmth E - Operator Training & License Examination 5 - Power Reduction (Duration = 0)

F - Administrative 9 - Other (Explain)

G - Operational Error (Explain) 11 - Other (Explain) c 3 of 4

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REFUELING INFORMATION REQUEST DOCKET NO.

50-443 UNIT Seabrook I

]

DATE January 1,1999 COMPLETED BY P.E. Nardone TELEPilONE (603) 773-7074 1.

Name of Facility:

Seabrook Unit I l

2.

Scheduled date for next refueling shutdown:

Refueling Outage 6, 03/27/99 i

l 3.

Scheduled date for restart following refueling: Refueling Outage 6, 05/10/99 [ 45 days ]

4.

Will refueling or resumption of operation thereafter require a technical specification change or other license amendment?

N/A 5.

Schedule date(s) for submitting licensing action and supporting information:

N/A 6.

Important licensing considerations associated with refueling, e.g., new or different fuel design or supplier, unrenewed design or performance analysis methods, significant changes in fuel design, new operating procedures i

N/A 7.

The number of fuel assemblies (a) in the core (b) in the spent fuel storage pool and (c) in the new fuel storage vault (a) 193 (b) 376 (c) 36 Cycle 07 Fuel Receipt on going 1

8.

The present licensed spent fuel pool storage capacity and the size of any increase in licensed storage capacity that has been requested or is planned, in number of fuel assemblies:

Present licensed capacity:

1236 No increase in storage capacity requested or planned.

9.

The projected date of the last refueling that can be discharged to the spent fuel pool assuming the present licensed capacity:

Licensed capacity of 1236 fuel assemblies based on two annual and twelve eighteen-month refuelings with full core offload capability.

The current licensed capacity is adequate until at least the year 2010.

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