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=Text=
=Text=
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October 9,1998
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l JMHLTR: #98-0259 U. S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, DC 20555
i October 9,1998                                                                                       )
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JMHLTR: #98-0259 U. S. Nuclear Regulatory Commission ATTN: Document Control Desk                                                                           )
Washington, DC 20555                                                                                 )


==Subject:==
==Subject:==
Monthly Operating Data Report for September 1998 Dresden Nuclear Power Station                                                     ]
Monthly Operating Data Report for September 1998 Dresden Nuclear Power Station
Commonwealth Edison Company                                                       )
]
Commonwealth Edison Company
)
Docket Nos. 50-010,50-237, and 50-249 Enclosed is the Dresden Nuclear Power Station Monthly Operating Summary Report for September 1998.
Docket Nos. 50-010,50-237, and 50-249 Enclosed is the Dresden Nuclear Power Station Monthly Operating Summary Report for September 1998.
This information is supplied to your oflice as required by Technical Specification 6.9.A.5,           l in accordance with the instructions set forth in Regulatory Guide 1.16. and Generic Letter 97-02.
This information is supplied to your oflice as required by Technical Specification 6.9.A.5, in accordance with the instructions set forth in Regulatory Guide 1.16. and Generic Letter 97-02.
Sincerely,
Sincerely,
        .1    [e e-S'   Vice Pre's ' 'ent Dresden Nucl ar Power tation
[e e-
                                                                                                  /
.1 S'
Enclosure cc:       NRC Region til OfIice Illinois Dept. of Nuclear Safety, State ofIllinois NRC Senior Resident inspector, Dresden Nuclear Power Station UDI, Inc. - Washington, DC File / Numerical                                                                         j 9810190264 980930 P PDR       ADOCK 05000010 R                           PDR 3 rnwom compan>
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Dresden Nucl ar Power tation
/
Enclosure cc:
NRC Region til OfIice Illinois Dept. of Nuclear Safety, State ofIllinois NRC Senior Resident inspector, Dresden Nuclear Power Station UDI, Inc. - Washington, DC File / Numerical j
9810190264 980930 P PDR ADOCK 05000010 R
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  =.
=.
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MONTHLY NRC


==SUMMARY==
==SUMMARY==
OF OPERATING EXPERIENCE,                                                                                             r PER REGULATORY GUIDE 1.16-FOR DRESDEN NUCLEAR POWER STATION COMMONWEALTH EDISON COMPANY FOR SEPTEMBER 1998 UNIT'                 DOCKET                                             LICENSE 1                   050-010                                           DPR-2 2                   050-237                                           DPR-19 l                                                       3                   050-249                                           DPR-25                                                   i i
OF OPERATING EXPERIENCE, r
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PER REGULATORY GUIDE 1.16-FOR DRESDEN NUCLEAR POWER STATION COMMONWEALTH EDISON COMPANY FOR SEPTEMBER 1998 UNIT' DOCKET LICENSE 1
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t TABLE OF CON"*ENTS SEPTEMBER 1998 NRC-REPORT 1.0 Introduction.
TABLE OF CON"*ENTS SEPTEMBER 1998 NRC-REPORT 1.0       Introduction.
-2.0
          -2.0     -Summary of Operating Experience 2.1       Unit 2 Monthly _Cperating Experience Summary.
-Summary of Operating Experience 2.1 Unit 2 Monthly _Cperating Experience Summary.
2.2       Unit 3 Monthly Operating Experience Summary.
2.2 Unit 3 Monthly Operating Experience Summary.
          ~3.0       Operating Data Statistics 3.1       Operating Data Report - Dresden Unit 2 3.2       Operating Data Report - Dresden Unit 3 3.3       Unit 2' Shutdowns 3.4       Unit 3 Shutdowns 4.0       Unique Rep 7rting Requirements 4.1     Main Steam Relief and/or Safety Valve Operations -
~3.0 Operating Data Statistics 3.1 Operating Data Report - Dresden Unit 2 3.2 Operating Data Report - Dresden Unit 3 3.3 Unit 2' Shutdowns 3.4 Unit 3 Shutdowns 4.0 Unique Rep 7rting Requirements 4.1 Main Steam Relief and/or Safety Valve Operations -
Unit 2 and Unit 3 l                     4.2 Technical Specification Amendments l
Unit 2 and Unit 3 l
4.2 Technical Specification Amendments l
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1.0 Introduction Dresden Nuclear Power Station is a three reactor generating facility owned and operated by the Comed Company of Chicago, Illinois.
1.0     Introduction Dresden Nuclear Power Station is a three reactor generating facility owned and operated by the Comed Company of Chicago, Illinois.       Dresden Station is   i located at the confluence of the Kankakee and Des Plaines Rivers, in Grundy County, near Morris,             l Illinois.
Dresden Station is i
Dresden Unit 1 is a General Electric Boiling Water Reactor with a design net electrical output rating of 200 megawatts electrical (MWe). The unit is being decommissioned with all nuclear fuel removed from the reactor vessel. Therefore; no Unit 1 operating data is     !
located at the confluence of the Kankakee and Des Plaines Rivers, in Grundy County, near Morris, Illinois.
provided in this report.
Dresden Unit 1 is a General Electric Boiling Water Reactor with a design net electrical output rating of 200 megawatts electrical (MWe).
l Dresden Units 2 and 3 are General Electric Boiling Water Reactors; each licensed at 2527 megawatts thermal.       The gross outputs of Units 2 and 3 are 832 and 834 megawatts electrical, respectively, with design   :
The unit is being decommissioned with all nuclear fuel removed from the reactor vessel.
net electrical output ratings of 794 MWe each.       The I commercial service date for Unit 2 is 11 August 1970 and 30 October 1971 far Unit 3.                           l Waste heat is rejected to a man-made cooling lake using the Kankakee River for make-up and the Illinois River for blowdown.
Therefore; no Unit 1 operating data is provided in this report.
Dresden Units 2 and 3 are General Electric Boiling Water Reactors; each licensed at 2527 megawatts thermal.
The gross outputs of Units 2 and 3 are 832 and 834 megawatts electrical, respectively, with design net electrical output ratings of 794 MWe each.
The I
commercial service date for Unit 2 is 11 August 1970 and 30 October 1971 far Unit 3.
Waste heat is rejected to a man-made cooling lake using the Kankakee River for make-up and the Illinois River for blowdown.
The Architect-Engineer for Dresden Units 2 and 3 was Sargent and Lundy of Chicago, Illinois.
The Architect-Engineer for Dresden Units 2 and 3 was Sargent and Lundy of Chicago, Illinois.
Gary A. Abrell of Dresden Regulatory Assurance Staff compiled this report for SEPTEMBER 1998, telephone number (815) 942-2920, extension 3749.                     l l-l J \ - N1 .k '[\ \   b a I
Gary A. Abrell of Dresden Regulatory Assurance Staff compiled this report for SEPTEMBER 1998, telephone number (815) 942-2920, extension 3749.
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2.0      
2.0


==SUMMARY==
==SUMMARY==
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==SUMMARY==
==SUMMARY==
Unit 2 operated throughout the period at full power except for brief periods for minor maintenance and surveillance testing.
Unit 2 operated throughout the period at full power except for brief periods for minor maintenance and surveillance testing.
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      .                                                                i 2.0  
i 2.0  


==SUMMARY==
==SUMMARY==
OF OPERATING EXPERIE4k,'.U P',R SEPTEMBER 1998 2.2     UNIT 3 MONTHLY OPERATING EXPERIENCE  
OF OPERATING EXPERIE4k,'.U P',R SEPTEMBER 1998 2.2 UNIT 3 MONTHLY OPERATING EXPERIENCE  


==SUMMARY==
==SUMMARY==
Unit 3 operated throughout the period at full power except for short periods for surveillance and maintenance.
Unit 3 operated throughout the period at full power except for short periods for surveillance and maintenance.
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t 3.0 OPERATING DATA STATISTICS 3.1 OPERATING DATA REPORT - DRESDEN UNIT TWO t
3.0         OPERATING DATA STATISTICS                                                                                               l 3.1         OPERATING DATA REPORT - DRESDEN UNIT TWO                                                                   l t
DOCKET No.
DOCKET No.                         050-237 DATE                               October 5, 1998
050-237 DATE October 5, 1998
                                                                                                                                                                      )
)
4
4 COMPLETED BY G. A.
                                                                                                                                                                      )
ABRELL TELEPHONE (815) 942-2920 OPERATING STATUS 1.
COMPLETED BY                       G. A. ABRELL                                                                                     l TELEPHONE                           (815) 942-2920 OPERATING STATUS
REPORTING PERIOD: SEPTEMBER 1998 2.
: 1.         REPORTING PERIOD: SEPTEMBER 1998
CURRENTLY AUTHORIZED POWER LEVEL (MWth): 2,527 MAXIMUM DEPENDABLE CAPACITY (MWe NET) : 772 DESIGN ELECTRICAL RATING (MWe Net): 794 3.
: 2.         CURRENTLY AUTHORIZED POWER LEVEL (MWth): 2,527 MAXIMUM DEPENDABLE CAPACITY (MWe NET) : 772 DESIGN ELECTRICAL RATING (MWe Net): 794
POWER LEVEL TO WHICH RESTRICTED (MWe Net): NO restrictions 4.
: 3.           POWER LEVEL TO WHICH RESTRICTED (MWe Net): NO restrictions
REASONS FOR RESTRICTIONS (IF ANY) : See Section 2.1 Of this report.
: 4.         REASONS FOR RESTRICTIONS (IF ANY) : See Section 2.1 Of this report.
REPORTING PERIOD DATA l
^
^
REPORTING PERIOD DATA                                                          l PARAMETER                                     THIS MONTH YEAR TO DATE                                 CUMULATIVE 1
PARAMETER THIS MONTH YEAR TO DATE CUMULATIVE 1
l           5 HOURS IN PERIOD                                                                           720                           6,551               246,647   l 6 TIME REACTOR CRITICAL                                                                     720                           5,404               180,412 7 TIME REACTOR RESERVE SHUTDOWN (Hours)                                                     0                                         0             0 8 TIME GENERATOR ON-LINE (Hours)                                                           720                           5,286               172,040 9 TIME GENERATOR RESERVE SHUTDOWN (Hours)                                                     0                                         3             4 10 THERMAL ENERGY. GENERATED                               (MWHt Gross)               1,797,402             12,664,259                     362,427,682
l 5 HOURS IN PERIOD 720 6,551 246,647 6 TIME REACTOR CRITICAL 720 5,404 180,412 7 TIME REACTOR RESERVE SHUTDOWN (Hours) 0 0
.          11 ELECTRICAL ENERGY GENERATED (MWEHe Gross)                                           584,557                 4,103,924                   115,837,759 12 ELECTRICAL ENERGY GENERATED (MWEHe Net)                                             558,986                 3,915,425                   109,595,600 13 REACTOR SERVICE FACTOR (%)                                                           100.0%                             82.51                 73.1?
0 8 TIME GENERATOR ON-LINE (Hours) 720 5,286 172,040 9 TIME GENERATOR RESERVE SHUTDOWN (Hours) 0 3
14 REACTOR AVAILABILITY FACTOR (%)                                                       100.0%                             82.5%                 73.19 15 GENERATOR SERVICE FACTOR (%)                                                         100.0%                             80.7%                 69.8t 16 GENERATGR AVAILABLILITY FACTOR (%)                                                   100.0i                             80.7V                 69.8V 17 CAPACITY FACTOR (Using MCD Net) (%)                                                 100.6%                             77.49                 57.6V 18   CAPACITY FACTOR (Using DER Net) (%)                                                   97.89                             75.31                 56.0i 19 FORCED OUTAGE FACTOR (%)                                                                   01                               4.7?               12.6v L: 0.1t 0\ 8 3Ui\ini.w\ % % %10%01 GA                         b
4 10 THERMAL ENERGY. GENERATED (MWHt Gross) 1,797,402 12,664,259 362,427,682 11 ELECTRICAL ENERGY GENERATED (MWEHe Gross) 584,557 4,103,924 115,837,759 12 ELECTRICAL ENERGY GENERATED (MWEHe Net) 558,986 3,915,425 109,595,600 13 REACTOR SERVICE FACTOR (%)
100.0%
82.51 73.1?
14 REACTOR AVAILABILITY FACTOR (%)
100.0%
82.5%
73.19 15 GENERATOR SERVICE FACTOR (%)
100.0%
80.7%
69.8t 16 GENERATGR AVAILABLILITY FACTOR (%)
100.0i 80.7V 69.8V 17 CAPACITY FACTOR (Using MCD Net) (%)
100.6%
77.49 57.6V 18 CAPACITY FACTOR (Using DER Net) (%)
97.89 75.31 56.0i 19 FORCED OUTAGE FACTOR (%)
01 4.7?
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L 3.0 OPERATING DATA STATISTICS
{                                         3.2     OPERATING DATA REPORT - DRESDEN UNIT THREE
{
,                            DOCKET NO.                 050-249 DATE                       October 5, 1998 COMPLETED BY               G. A. ABRELL TELEPHONE                 (815) 942-2920 1
3.2 OPERATING DATA REPORT - DRESDEN UNIT THREE DOCKET NO.
050-249 DATE October 5, 1998 COMPLETED BY G. A. ABRELL TELEPHONE (815) 942-2920 1
OPERATING STATUS i
OPERATING STATUS i
i                           1.           REPORTING PERIOD: SEPTEMBER 1998
i 1.
)                           2.           CURRENTLY AUTHORIZED POWER LEVEL                                       (MWth): 2,527 j                                         MAXIMUM DEPENDABLE CAPACITY (MWe Net): 773 i                                         DESIGN ELECTRICAL RATING (MWe Net): 794                                                                     l j                           3.           POWER LEVEL TO WHICH RESTRICTED: NO restriction
REPORTING PERIOD: SEPTEMBER 1998
: 4.           REASONS FOR RESTRICTIONS (IF ANY) : See Section 2.2 Of this report.
)
2.
CURRENTLY AUTHORIZED POWER LEVEL (MWth): 2,527 j
MAXIMUM DEPENDABLE CAPACITY (MWe Net): 773 i
DESIGN ELECTRICAL RATING (MWe Net): 794 l
j 3.
POWER LEVEL TO WHICH RESTRICTED: NO restriction 4.
REASONS FOR RESTRICTIONS (IF ANY) : See Section 2.2 Of this report.
REPORTING PERIOD DATA
REPORTING PERIOD DATA
)                   PARAMETER                                                         THIS MONTH YEAR TO DATE CUMULATIVE j     5             HOURS IN PERIOD                                                                       720                 6,551     235,967 6             TIME REACTOR CRITIC 71                                                               720                 6,045     167,98E 7             TIME REACTOR RESERVE SHUTDOWN (Hours)                                                       0                   0           0
)
;      8            TIME GENERATOR ON-LINE (Hours)                                                       720                 5,948     160,372
PARAMETER THIS MONTH YEAR TO DATE CUMULATIVE j
;      9            TIME GENERATOR RESERVE SHUTDOWN (Hours)                                                     0                   1           1 l-     10           THERMAL ENERGY GENERATED (MWHt Gross)                                 1,801,486                     14,549,315 337,754,288 l     31           ELECTRICAL ENERGY GENERATED (MWEHe Gross)                                   581,204                   4,705,227 108,193,386 g     12           ELECTRICAL ENERGY GENERATED (MNEHe Net)                                     558,154                   4,517,719 102,624,63C 13           REACTOR SERVICE FACTOR (%)                                                     100.05                     92.34       71.29
5 HOURS IN PERIOD 720 6,551 235,967 6
: i. 14           REACTOR AVAILABILITY FACTOR (B)                                               100.09                     92.3%       71.2V 15           GENERATOR SERVICE FACTOR (%)                                                   100,01                     90.8%       68.0Y
TIME REACTOR CRITIC 71 720 6,045 167,98E 7
* 16           GENERATOR AVAILABLILITY FACTOR (%)                                             100.0f                     90.8V       68.0t i     17           CAPACITY FACTOR (Using MCD Net) (%)                                           100.4V                     89.3V       56.31 j     18           CAPACITY FACTOR (Using DER Net) (%)                                             97.61                     86.91       54.8Y 19           rORCED OUTAGE FACTOR (%)                                                           0.0t                   4.44       14.02 i                                                                                                                                                       ,
TIME REACTOR RESERVE SHUTDOWN (Hours) 0 0
1                                                                                                                                                       l l
0 8
TIME GENERATOR ON-LINE (Hours) 720 5,948 160,372 9
TIME GENERATOR RESERVE SHUTDOWN (Hours) 0 1
1 l-10 THERMAL ENERGY GENERATED (MWHt Gross) 1,801,486 14,549,315 337,754,288 l
31 ELECTRICAL ENERGY GENERATED (MWEHe Gross) 581,204 4,705,227 108,193,386 g
12 ELECTRICAL ENERGY GENERATED (MNEHe Net) 558,154 4,517,719 102,624,63C 13 REACTOR SERVICE FACTOR (%)
100.05 92.34 71.29 i.
14 REACTOR AVAILABILITY FACTOR (B) 100.09 92.3%
71.2V 15 GENERATOR SERVICE FACTOR (%)
100,01 90.8%
68.0Y 16 GENERATOR AVAILABLILITY FACTOR (%)
100.0f 90.8V 68.0t i
17 CAPACITY FACTOR (Using MCD Net) (%)
100.4V 89.3V 56.31 j
18 CAPACITY FACTOR (Using DER Net) (%)
97.61 86.91 54.8Y 19 rORCED OUTAGE FACTOR (%)
0.0t 4.44 14.02 i
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3.3     UNIT 2 SHUTDOWNS                                                             ,
3.3 UNIT 2 SHUTDOWNS REPORT MONTH OF SEPTEMBER 1998 NO LATE TYEE DURATION EADON METHOD OF CukkE(:T I W (1)
l REPORT MONTH OF SEPTEMBER 1998 NO     LATE       TYEE     DURATION EADON     METHOD OF   CukkE(:T I W (1)     (HOURS)* I4i       SHUTTING   ACTI' DO #
(HOURS)*
NfdN       CEHMENTU REA : TOR j
I4i SHUTTING ACTI' DO #
tu                     '
NfdN CEHMENTU REA : TOR j
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tu I
I 1
1 Year-to-date forced outage hours = 263 Cumulative forced outage hours = 24,691 TABLE KEY:
1 1
(1)
I 1
(3)
Year-to-date forced outage hours = 263 Cumulative forced outage hours = 24,691 TABLE KEY:
F:
(1)                                                             (3)
Forced Method:
F:   Forced                                                       Method:
S:
S:   Scheduled                                                 1.       Manual           1
Scheduled 1.
: 2.       Manual Scram (2) Reason:                                                   3.       Automatic Scram   l A   . Equipment Failure (Explain)                               4.       Other (Explain)
Manual 1
B   Maintenance or Test                                         5.       Load Reduction   ,
2.
C    Refueling                                                                             l D     Regulatory Restriction E     Operator Training &                                                                   ,
Manual Scram (2)
Licensing Exam                                                                         l F   Administrative                                                                         l G     Operational Error H     Other (Explain)
Reason:
L: 8 %0 s 8.iOI \mi r c \ % \ % 100601. HA           9
3.
Automatic Scram A
. Equipment Failure (Explain) 4.
Other (Explain)
B Maintenance or Test 5.
Load Reduction C
Refueling D
Regulatory Restriction E
Operator Training &
Licensing Exam F
Administrative G
Operational Error H
Other (Explain)
L: 8 %0 s 8.iOI \\mi r c \\ % \\ % 100601. HA 9


3.4         UNIT 3 SHUTDOWNS                                                           l l
3.4 UNIT 3 SHUTDOWNS l
REPORT MONTH SEPTEMBER 1998                       l l
REPORT MONTH SEPTEMBER 1998 Ne t DATE TYLE(1)
Ne t DATE     TYLE(1)   NJRATION     REAJON(2) METHnD OF CORRECTIVE
NJRATION REAJON(2)
METHnD OF CORRECTIVE
( Hot !RS )
( Hot !RS )
* CH!!TTING   ACTIriNS/
* CH!!TTING ACTIriNS/
[u )WN     ertittENT3 h E ACT(iR l 5)                 ]
[u )WN ertittENT3 h E ACT(iR l 5)
l l
]
Year-to-date forced outage hours = 272 Cumulative forced outage hours = 26,212 TABLE KEY:
l Year-to-date forced outage hours = 272 Cumulative forced outage hours = 26,212 TABLE KEY:
(1)                                                         (3)                     I F:         Forced                                           Method:
(1)
S:         Scheduled                                         1.       Manual
(3)
: 2.       Manual Scram (2)                                                         3.       Automatic Scram Reason:                                                       4.       Other (Explain)
F:
A           Equipment Failure                                 5.       Load Reduction (Explain) l B         Maintenance or Test C           Refueling D           Regulatory Restriction E           Operator Training &
Forced Method:
Licensing Exam F         Administrative G           Operational Error H           Other (Explain)
S:
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Scheduled 1.
Manual 2.
Manual Scram (2) 3.
Automatic Scram Reason:
4.
Other (Explain)
A Equipment Failure 5.
Load Reduction (Explain)
B Maintenance or Test C
Refueling D
Regulatory Restriction E
Operator Training &
Licensing Exam F
Administrative G
Operational Error H
Other (Explain)
L: 9 u,0 \\ c o 1 \\ n.2
.\\ w\\ %100Lol.GA 10 f


          -4 4
-4 4
!                                  . 4.0 ' UNIQUE REPORTING REQUIREMENTS                                                                                       I l
. 4.0 ' UNIQUE REPORTING REQUIREMENTS I
                          '                                                                                ~
l
                                    - '4 ' . l ' - MAIN: STEAM' RELIEF AND/OR SAFETY VALVE OPERATIONS --
- '4 '. l ' - MAIN: STEAM' RELIEF AND/OR SAFETY VALVE OPERATIONS --
                                                    . UNIT 2.
~
j}                                                   None t                                                                                                                   ,
. UNIT 2.
4.2             Technical Sp.waification Amendments None 4
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None t
4.2 Technical Sp.waification Amendments None I
4 l
i h
i h
i 4
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J r
J r
11
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                                  - L: \ 8 360 \ 8 3C l \ MI3C\ 98 \ 98100601. GA l~                   ,                .... -_                    .,    , , . - .            ,        .                ,--  ,
- L: \\ 8 360 \\ 8 3C l \\ MI3C\\ 98 \\ 98100601. GA l~


    . CATEGORY 3                                                             UNIT   2(3)
. CATEGORY 3 UNIT 2(3)
DTP     35 REVISION 08 ATTACHMENT 1           UNIT   3 A-1 FORM             MONTH September YEAR 1998 Thermal Power Output DAY             (MWT-HRS) 1               60107 2               60136 3               60078 4               60107 5               60049 6               60049 7               60107 8               60107 9               60136 10               60078 11               59990 12               60019 13               59141 14               60078 15               60136 16               60019 17               60107 18               60078 19               60049 20               60049 21               60019 22               60136 23               60136 24               60049 25               60078 26               59990 27               60166 28               60049 29               60136 30               60107 TOTAL =     1801486     MWT-HRS
DTP 35 REVISION 08 ATTACHMENT 1 UNIT 3
                                      =    75061.92   MWT-DAYS NUMDAYS       =        30       DAYS CAFACITY FACTOR       =        99.01     %
A-1 FORM MONTH September YEAR 1998 Thermal Power Output DAY (MWT-HRS) 1 60107 2
Performed by: h[           Am       CL M       - Cll hl Reviewed by: /3d N%                       10/fi/ 91 h
60136 3
60078 4
60107 5
60049 6
60049 7
60107 8
60107 9
60136 10 60078 11 59990 12 60019 13 59141 14 60078 15 60136 16 60019 17 60107 18 60078 19 60049 20 60049 21 60019 22 60136 23 60136 24 60049 25 60078 26 59990 27 60166 28 60049 29 60136 30 60107 TOTAL =
1801486 MWT-HRS 75061.92 MWT-DAYS
=
NUMDAYS 30 DAYS
=
CAFACITY FACTOR 99.01
=
Performed by: h[
Am CL M
- Cll hl Reviewed by: /3d N%
10/fi/ 91 h


CATEGORY 3                                                         UNIT   2(3)
CATEGORY 3 UNIT 2(3)
      .                                                                  DTP     35 REVISION 08 UNIT       2 MONTH September YEAR     1998 Thermal Power Output DAY         (MWT-HRS) 1           59594 2             60033 3           59916 4             59975 5           59916 6             60033 7           59916 8           59975 9           59975 10           59946 11           60004 12           59946 13           59946 14           60004 15           59946 16           59946 17           59887 18           59594 19           59946 20           59975 21           59946 22           60004 23           59887 24           59946 25           59975 26           60004 27           59360 28           59916 29           59916 30           59975 TOTAL     1797402     MWT-HRS 74891.75     MWT-DAYS NUMDAYS               30       DAYS CAPACITY FACTOR             98.79       %
DTP 35 REVISION 08 UNIT 2
Performed by:        L      vn d n to       -
MONTH September YEAR 1998 Thermal Power Output DAY (MWT-HRS) 1 59594 2
10l1%
60033 3
Reviewed by:     Bm 4h'                   Sifs/4(
59916 4
59975 5
59916 6
60033 7
59916 8
59975 9
59975 10 59946 11 60004 12 59946 13 59946 14 60004 15 59946 16 59946 17 59887 18 59594 19 59946 20 59975 21 59946 22 60004 23 59887 24 59946 25 59975 26 60004 27 59360 28 59916 29 59916 30 59975 TOTAL 1797402 MWT-HRS 74891.75 MWT-DAYS NUMDAYS 30 DAYS CAPACITY FACTOR 98.79 vn d n to 10l1%
Performed by:
L Reviewed by:
Bm 4h' Sifs/4(
(
(


      . . ~ . .     . - - - .- . . . . . - . . - . -                _ . - . . . _ . - . . . - . - . . - . . -                . . - . - ~ , . . ~ .     . , . . . ~ . - ~
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.,... ~. - ~
    . NTHLY REPORT                       (A)                                       FOR THE PERIOD. 9- 1-98 THROUGH                         9-30-98
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                                <========= GENERATION =======>                                       <============================ GROSS 1
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                                                      <= AUXILIARY =>                                 CAP     EQUIL UTILIZE                   OPER GROSS                     POWER                   NET               FACTOR   AVAIL- FACTOR                 AVAIL 0 MWH                 MWH       %                MWH                   %      %        %                          %
THIS REPORT IS AN OFFICIAL SOURCE OF STATION PERFORMANCE INDICES AS SP CALCULATIONS BASED ON NATIONAL ELECTRIC RELIABILITY COUNCIL
UNIT HR                       (1)'             (2)       (3)               (4)               (5)     (6)     (7)                       (8)
. NTHLY REPORT (A)
    . DR-2       0             584557               25571     4.3         558986                 5'.3     97.4     99.8                 100.0                       l
FOR THE PERIOD. 9-1-98 THROUGH 9-30-98
    . DR-3       0-         .581204                 23050     3.9         558154                 97.0     97.1     99.8                 100.0                       '
<========= GENERATION=======>
SUBT 0                 1165761                 48621     4.1       1117140                   97.1     97.3     99.8                 100.0 Command ===>                                                                                                   Scroll ===> PAGE l
<============================ GROSS
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<= AUXILIARY =>
CAP EQUIL UTILIZE OPER GROSS POWER NET FACTOR AVAIL-FACTOR AVAIL 0 MWH MWH MWH UNIT HR (1)'
(2)
(3)
(4)
(5)
(6)
(7)
(8)
. DR-2 0
584557 25571 4.3 558986 5'.3 97.4 99.8 100.0
. DR-3 0-
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        .                                                                              l
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Menu Utilities Compilers Help BROWSE   PPRGA.SPF314.OUTLIST                         Line 00000026 Col 005 084
*** NUCLEAR PERFORMANCE INDICES ***
                                          *** NUCLEAR PERFORMANCE INDICES ***
THIS REPORT IS AN OFFICIAL SOURCE OF STATION PERFORMANCE INDICES AS SP CALCULATIONS BASED ON NATIONAL ELECTRIC RELIABILITY COUNCIL NTHLY REPORT (A)
THIS REPORT IS AN OFFICIAL SOURCE OF STATION PERFORMANCE INDICES AS SP CALCULATIONS BASED ON NATIONAL ELECTRIC RELIABILITY COUNCIL NTHLY REPORT   (A)                     FOR THE PERIOD   9- 1-98 THROUGH     9-30-98
FOR THE PERIOD 9-1-98 THROUGH 9-30-98
          <================ HOURS ================>
<================ HOURS================>
                  <=AVAILABLE=> <===== OUTAGE ======> <==== EGC PERCENTAGE ====>
<=AVAILABLE=> <===== OUTAGE======> <==== EGC PERCENTAGE====>
UNIT HR PERIOD SERV. STANBY FORCED       PLAN MAINT     ON MANUAL       OFF STANBY (1)     (2)     (3)   (4)   (5)   (6)   (7)     (8)     (9)     (10)
UNIT HR PERIOD SERV.
DR-2 0     720     720       0     0     0     0   .0 100.0         .0     .0 DR-3 0     720     720       0     0     0     0   .0 100.0         .0     .0 SUBT 0   1440     1440       0     0     0     0   .0 100.0         .0     .0 Command ===>                                                       Scroll ===> PAGE}}
STANBY FORCED PLAN MAINT ON MANUAL OFF STANBY (1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
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720 720 0
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.0
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0 0
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.0
.0 Command===>
Scroll===> PAGE}}

Latest revision as of 00:09, 11 December 2024

Monthly Operating Repts for Sept 1998 for Dresden Nuclear Power Station,Units 1,2 & 3.With
ML20154L368
Person / Time
Site: Dresden  Constellation icon.png
Issue date: 09/30/1998
From: Abrell G, Heffley J
COMMONWEALTH EDISON CO.
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
RTR-REGGD-01.016, RTR-REGGD-1.016 GL-97-02, GL-97-2, JMHLTR:#98-0259, JMHLTR:#98-259, NUDOCS 9810190264
Download: ML20154L368 (15)
v • d • e


Text

..

(;ommonu t Jllh I dholl Contpany D10$ den Genet.iting Station Ml)O Nonli Drrsden l(0.hl

%lorrtN l!. N)dO Telsls m 2 m o i

October 9,1998

)

l JMHLTR: #98-0259 U. S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, DC 20555

Subject:

Monthly Operating Data Report for September 1998 Dresden Nuclear Power Station

]

Commonwealth Edison Company

)

Docket Nos.50-010,50-237, and 50-249 Enclosed is the Dresden Nuclear Power Station Monthly Operating Summary Report for September 1998.

This information is supplied to your oflice as required by Technical Specification 6.9.A.5, in accordance with the instructions set forth in Regulatory Guide 1.16. and Generic Letter 97-02.

Sincerely,

[e e-

.1 S'

Vice Pre' ' 'ent s

Dresden Nucl ar Power tation

/

Enclosure cc:

NRC Region til OfIice Illinois Dept. of Nuclear Safety, State ofIllinois NRC Senior Resident inspector, Dresden Nuclear Power Station UDI, Inc. - Washington, DC File / Numerical j

9810190264 980930 P PDR ADOCK 05000010 R

PDR 3 rnwom compan>

=.

t MONTHLY NRC

SUMMARY

OF OPERATING EXPERIENCE, r

PER REGULATORY GUIDE 1.16-FOR DRESDEN NUCLEAR POWER STATION COMMONWEALTH EDISON COMPANY FOR SEPTEMBER 1998 UNIT' DOCKET LICENSE 1

050-010 DPR-2 2

050-237 DPR-19 l

3 050-249 DPR-25 i

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i

t TABLE OF CON"*ENTS SEPTEMBER 1998 NRC-REPORT 1.0 Introduction.

-2.0

-Summary of Operating Experience 2.1 Unit 2 Monthly _Cperating Experience Summary.

2.2 Unit 3 Monthly Operating Experience Summary.

~3.0 Operating Data Statistics 3.1 Operating Data Report - Dresden Unit 2 3.2 Operating Data Report - Dresden Unit 3 3.3 Unit 2' Shutdowns 3.4 Unit 3 Shutdowns 4.0 Unique Rep 7rting Requirements 4.1 Main Steam Relief and/or Safety Valve Operations -

Unit 2 and Unit 3 l

4.2 Technical Specification Amendments l

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I a

1.0 Introduction Dresden Nuclear Power Station is a three reactor generating facility owned and operated by the Comed Company of Chicago, Illinois.

Dresden Station is i

located at the confluence of the Kankakee and Des Plaines Rivers, in Grundy County, near Morris, Illinois.

Dresden Unit 1 is a General Electric Boiling Water Reactor with a design net electrical output rating of 200 megawatts electrical (MWe).

The unit is being decommissioned with all nuclear fuel removed from the reactor vessel.

Therefore; no Unit 1 operating data is provided in this report.

Dresden Units 2 and 3 are General Electric Boiling Water Reactors; each licensed at 2527 megawatts thermal.

The gross outputs of Units 2 and 3 are 832 and 834 megawatts electrical, respectively, with design net electrical output ratings of 794 MWe each.

The I

commercial service date for Unit 2 is 11 August 1970 and 30 October 1971 far Unit 3.

Waste heat is rejected to a man-made cooling lake using the Kankakee River for make-up and the Illinois River for blowdown.

The Architect-Engineer for Dresden Units 2 and 3 was Sargent and Lundy of Chicago, Illinois.

Gary A. Abrell of Dresden Regulatory Assurance Staff compiled this report for SEPTEMBER 1998, telephone number (815) 942-2920, extension 3749.

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2.0

SUMMARY

OF OPERATING EXPERIENCE FOR SEPTEMBER 1998 2.1 UNIT 2 MONTHLY OPERATING EXPERIENCE

SUMMARY

Unit 2 operated throughout the period at full power except for brief periods for minor maintenance and surveillance testing.

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i 2.0

SUMMARY

OF OPERATING EXPERIE4k,'.U P',R SEPTEMBER 1998 2.2 UNIT 3 MONTHLY OPERATING EXPERIENCE

SUMMARY

Unit 3 operated throughout the period at full power except for short periods for surveillance and maintenance.

l i

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l l

t 3.0 OPERATING DATA STATISTICS 3.1 OPERATING DATA REPORT - DRESDEN UNIT TWO t

DOCKET No.

050-237 DATE October 5, 1998

)

4 COMPLETED BY G. A.

ABRELL TELEPHONE (815) 942-2920 OPERATING STATUS 1.

REPORTING PERIOD: SEPTEMBER 1998 2.

CURRENTLY AUTHORIZED POWER LEVEL (MWth): 2,527 MAXIMUM DEPENDABLE CAPACITY (MWe NET) : 772 DESIGN ELECTRICAL RATING (MWe Net): 794 3.

POWER LEVEL TO WHICH RESTRICTED (MWe Net): NO restrictions 4.

REASONS FOR RESTRICTIONS (IF ANY) : See Section 2.1 Of this report.

REPORTING PERIOD DATA l

^

PARAMETER THIS MONTH YEAR TO DATE CUMULATIVE 1

l 5 HOURS IN PERIOD 720 6,551 246,647 6 TIME REACTOR CRITICAL 720 5,404 180,412 7 TIME REACTOR RESERVE SHUTDOWN (Hours) 0 0

0 8 TIME GENERATOR ON-LINE (Hours) 720 5,286 172,040 9 TIME GENERATOR RESERVE SHUTDOWN (Hours) 0 3

4 10 THERMAL ENERGY. GENERATED (MWHt Gross) 1,797,402 12,664,259 362,427,682 11 ELECTRICAL ENERGY GENERATED (MWEHe Gross) 584,557 4,103,924 115,837,759 12 ELECTRICAL ENERGY GENERATED (MWEHe Net) 558,986 3,915,425 109,595,600 13 REACTOR SERVICE FACTOR (%)

100.0%

82.51 73.1?

14 REACTOR AVAILABILITY FACTOR (%)

100.0%

82.5%

73.19 15 GENERATOR SERVICE FACTOR (%)

100.0%

80.7%

69.8t 16 GENERATGR AVAILABLILITY FACTOR (%)

100.0i 80.7V 69.8V 17 CAPACITY FACTOR (Using MCD Net) (%)

100.6%

77.49 57.6V 18 CAPACITY FACTOR (Using DER Net) (%)

97.89 75.31 56.0i 19 FORCED OUTAGE FACTOR (%)

01 4.7?

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L 3.0 OPERATING DATA STATISTICS

{

3.2 OPERATING DATA REPORT - DRESDEN UNIT THREE DOCKET NO.

050-249 DATE October 5, 1998 COMPLETED BY G. A. ABRELL TELEPHONE (815) 942-2920 1

OPERATING STATUS i

i 1.

REPORTING PERIOD: SEPTEMBER 1998

)

2.

CURRENTLY AUTHORIZED POWER LEVEL (MWth): 2,527 j

MAXIMUM DEPENDABLE CAPACITY (MWe Net): 773 i

DESIGN ELECTRICAL RATING (MWe Net): 794 l

j 3.

POWER LEVEL TO WHICH RESTRICTED: NO restriction 4.

REASONS FOR RESTRICTIONS (IF ANY) : See Section 2.2 Of this report.

REPORTING PERIOD DATA

)

PARAMETER THIS MONTH YEAR TO DATE CUMULATIVE j

5 HOURS IN PERIOD 720 6,551 235,967 6

TIME REACTOR CRITIC 71 720 6,045 167,98E 7

TIME REACTOR RESERVE SHUTDOWN (Hours) 0 0

0 8

TIME GENERATOR ON-LINE (Hours) 720 5,948 160,372 9

TIME GENERATOR RESERVE SHUTDOWN (Hours) 0 1

1 l-10 THERMAL ENERGY GENERATED (MWHt Gross) 1,801,486 14,549,315 337,754,288 l

31 ELECTRICAL ENERGY GENERATED (MWEHe Gross) 581,204 4,705,227 108,193,386 g

12 ELECTRICAL ENERGY GENERATED (MNEHe Net) 558,154 4,517,719 102,624,63C 13 REACTOR SERVICE FACTOR (%)

100.05 92.34 71.29 i.

14 REACTOR AVAILABILITY FACTOR (B) 100.09 92.3%

71.2V 15 GENERATOR SERVICE FACTOR (%)

100,01 90.8%

68.0Y 16 GENERATOR AVAILABLILITY FACTOR (%)

100.0f 90.8V 68.0t i

17 CAPACITY FACTOR (Using MCD Net) (%)

100.4V 89.3V 56.31 j

18 CAPACITY FACTOR (Using DER Net) (%)

97.61 86.91 54.8Y 19 rORCED OUTAGE FACTOR (%)

0.0t 4.44 14.02 i

1 l

I l

a i

g 2

3.3 UNIT 2 SHUTDOWNS REPORT MONTH OF SEPTEMBER 1998 NO LATE TYEE DURATION EADON METHOD OF CukkE(:T I W (1)

(HOURS)*

I4i SHUTTING ACTI' DO #

NfdN CEHMENTU REA : TOR j

tu I

1 Year-to-date forced outage hours = 263 Cumulative forced outage hours = 24,691 TABLE KEY:

(1)

(3)

F:

Forced Method:

S:

Scheduled 1.

Manual 1

2.

Manual Scram (2)

Reason:

3.

Automatic Scram A

. Equipment Failure (Explain) 4.

Other (Explain)

B Maintenance or Test 5.

Load Reduction C

Refueling D

Regulatory Restriction E

Operator Training &

Licensing Exam F

Administrative G

Operational Error H

Other (Explain)

L: 8 %0 s 8.iOI \\mi r c \\ % \\ % 100601. HA 9

3.4 UNIT 3 SHUTDOWNS l

REPORT MONTH SEPTEMBER 1998 Ne t DATE TYLE(1)

NJRATION REAJON(2)

METHnD OF CORRECTIVE

( Hot !RS )

  • CH!!TTING ACTIriNS/

[u )WN ertittENT3 h E ACT(iR l 5)

]

l Year-to-date forced outage hours = 272 Cumulative forced outage hours = 26,212 TABLE KEY:

(1)

(3)

F:

Forced Method:

S:

Scheduled 1.

Manual 2.

Manual Scram (2) 3.

Automatic Scram Reason:

4.

Other (Explain)

A Equipment Failure 5.

Load Reduction (Explain)

B Maintenance or Test C

Refueling D

Regulatory Restriction E

Operator Training &

Licensing Exam F

Administrative G

Operational Error H

Other (Explain)

L: 9 u,0 \\ c o 1 \\ n.2

.\\ w\\ %100Lol.GA 10 f

-4 4

. 4.0 ' UNIQUE REPORTING REQUIREMENTS I

l

- '4 '. l ' - MAIN: STEAM' RELIEF AND/OR SAFETY VALVE OPERATIONS --

~

. UNIT 2.

j}

None t

4.2 Technical Sp.waification Amendments None I

4 l

i h

i 4

4 J

J r

11

- L: \\ 8 360 \\ 8 3C l \\ MI3C\\ 98 \\ 98100601. GA l~

. CATEGORY 3 UNIT 2(3)

DTP 35 REVISION 08 ATTACHMENT 1 UNIT 3

A-1 FORM MONTH September YEAR 1998 Thermal Power Output DAY (MWT-HRS) 1 60107 2

60136 3

60078 4

60107 5

60049 6

60049 7

60107 8

60107 9

60136 10 60078 11 59990 12 60019 13 59141 14 60078 15 60136 16 60019 17 60107 18 60078 19 60049 20 60049 21 60019 22 60136 23 60136 24 60049 25 60078 26 59990 27 60166 28 60049 29 60136 30 60107 TOTAL =

1801486 MWT-HRS 75061.92 MWT-DAYS

=

NUMDAYS 30 DAYS

=

CAFACITY FACTOR 99.01

=

Performed by: h[

Am CL M

- Cll hl Reviewed by: /3d N%

10/fi/ 91 h

CATEGORY 3 UNIT 2(3)

DTP 35 REVISION 08 UNIT 2

MONTH September YEAR 1998 Thermal Power Output DAY (MWT-HRS) 1 59594 2

60033 3

59916 4

59975 5

59916 6

60033 7

59916 8

59975 9

59975 10 59946 11 60004 12 59946 13 59946 14 60004 15 59946 16 59946 17 59887 18 59594 19 59946 20 59975 21 59946 22 60004 23 59887 24 59946 25 59975 26 60004 27 59360 28 59916 29 59916 30 59975 TOTAL 1797402 MWT-HRS 74891.75 MWT-DAYS NUMDAYS 30 DAYS CAPACITY FACTOR 98.79 vn d n to 10l1%

Performed by:

L Reviewed by:

Bm 4h' Sifs/4(

(

.. ~..

.. -. - ~,.. ~.

.,... ~. - ~

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THIS REPORT IS AN OFFICIAL SOURCE OF STATION PERFORMANCE INDICES AS SP CALCULATIONS BASED ON NATIONAL ELECTRIC RELIABILITY COUNCIL

. NTHLY REPORT (A)

FOR THE PERIOD. 9-1-98 THROUGH 9-30-98

<========= GENERATION=======>

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CAP EQUIL UTILIZE OPER GROSS POWER NET FACTOR AVAIL-FACTOR AVAIL 0 MWH MWH MWH UNIT HR (1)'

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(7)

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      • NUCLEAR PERFORMANCE INDICES ***

THIS REPORT IS AN OFFICIAL SOURCE OF STATION PERFORMANCE INDICES AS SP CALCULATIONS BASED ON NATIONAL ELECTRIC RELIABILITY COUNCIL NTHLY REPORT (A)

FOR THE PERIOD 9-1-98 THROUGH 9-30-98

<================ HOURS================>

<=AVAILABLE=> <===== OUTAGE======> <==== EGC PERCENTAGE====>

UNIT HR PERIOD SERV.

STANBY FORCED PLAN MAINT ON MANUAL OFF STANBY (1)

(2)

(3)

(4)

(5)

(6)

(7)

(8)

(9)

(10)

DR-2 0

720 720 0

0 0

0

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