ML20154L368

Monthly Operating Repts for Sept 1998 for Dresden Nuclear Power Station,Units 1,2 & 3.With

ML20154L368
Person / Time
Site:	Dresden
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)

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

Subject:

Monthly Operating Data Report for September 1998 Dresden Nuclear Power Station

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Commonwealth Edison Company

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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

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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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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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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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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.

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

DOCKET No.

050-237 DATE October 5, 1998

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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

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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 (%)

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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

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REPORTING PERIOD: SEPTEMBER 1998

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2.

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

MAXIMUM DEPENDABLE CAPACITY (MWe Net): 773 i

DESIGN ELECTRICAL RATING (MWe Net): 794 l

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POWER LEVEL TO WHICH RESTRICTED: NO restriction 4.

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

REPORTING PERIOD DATA

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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

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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

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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)

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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)

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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)

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. 4.0 ' UNIQUE REPORTING REQUIREMENTS I

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4.2 Technical Sp.waification Amendments None I

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. 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

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NUMDAYS 30 DAYS

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CAFACITY FACTOR 99.01

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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:

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