ML20206N282

Monthly Operating Repts for Apr 1999 for Dresden Nuclear Power Station,Units 1,2 & 3.With

ML20206N282
Person / Time
Site:	Dresden
Issue date:	04/30/1999
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:#99-0060, JMHLTR:#99-60, NUDOCS 9905170192
Download: ML20206N282 (11)

Text

- - - - - - _

-*' Commonwealth IMinn Comp.my r

Drexten Generating itation

,  : 69M North Drexicn Ro l Moiris, IL 60150 Tei aiv>12 2920 May 10,1999 r..

JMHLTR: #99-0060 U.S. Nuclear Regulatory Commission Attention: Document Control Desk Washington, DC 20555 Dresden Nuclear Power Station Units 1,2, and 3 Facility Operating License Nos. DPR-2, DPR-19 and DPR-25 Docket Nos.50-010. 50-237 and 50-249

Subject:

Monthly Operating Data Report for April 1999 Attached is the Dresden Nuclear Power Station Monthly Operating Summary Report for April 1999.

This information is supplied to your office 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.

Should you have any questions concerning this report, please contact Mr. Dale Ambler, Dresden Station Regulatory Assurance Manager, at (815) 942-2920, ext. 3800.

L Respectfully,

d. '

J. M. Heffley Site Vice President Dresden Nuclear Power Station Attachment 4

. cc: Regional Administrator, NRC Region 111 .

NRC Senior Resident inspector, Dresden Nuclear Power Station -

UDI,' Inc. - Washington, DC '

r

. .y + . dl 2, '

9905170192 990430 PDR ADOCK 05000010 L R _

PDR .k__ q A Unicom company

.J

. .s MONTHLY NRC SUM 4ARY OF OPERATING ~ EXPERIENCE, PER REGULATORY GUIDE 1.16 FOR DRESDEN NUCLEAR POWER STATION COMMONWEALTH EDISON. COMPANY ,

FOR APRIL 1999 UNIT DOCKET LICENSE 1 050-010 DPR-2 .- ]

2 050-237 DPR-19 3 050-249 ,

DPR-25

< 1

TABLE' OF: CONTENTS APRIL 1999 NRC REPORT 1.0- Introduction

.0 Summary of Operating Experience 2.1 Unit 2 Monthly Operating Experience Summary.

2.2 Unit 3 Monthly Operating Experience Summary..

3.0 Operating Data Statiscics 3.1 Operating Data Report - Dresden Unit 2 3.2 Operating Data Report - Dresden Unit 3 3.3 Unit 2 S?.tdowns 3.4 Unit 3 Shutdowns 4.0 Unique Reporting Requirements 4.1 Main Steam Relief and/or Safety Valve Operations -

Unit 2 and Unit 3 4.2 Technical Specification Amendments 2

L  :

i '

1

. 3

f; +

r 77 ,

, f 't=

i t' ff -

, i r

f t ,

4

,Y 1.0; Introduction'-

Dresden-Nuclear Power Stationa is.althree reactor-generating-' facility owned.andgoperated.by'the~ Comed'-

Company:ofl Chicago,-Illinois. 2Dresden1 station is; located at the confluenceJof the.Kankakee and Des Plaines Rivers, in;Grundy. County, near-Morris,,

Illinois.

Dresden Unit 1 is.a General Electri'c Boiling Water Reactor with a deLign'netJelectrical' output'ratingfoff -

200 megawatts electrical (MWe )' . The unit,'is being:

decommissioned with all nuclea~rLfuel removed fromzthec reactor vessel. Therefore, no-Unit 1 operating, data is'

- provided in this report.

Dresden Units 2 and 3'are' General Electric Boiling.

We 3r Reactors; each licensea at 2527 megawatts . . .

thermal. The gross outputs of Units'2 and 3;are 832-and 834 megawatts. electrical, r'espectively, with design' q net electrical output ratings of 794 MWe each. The . ~ h commercial service date for: Unit 2 is 11-August 1970. O and 30 October 19"1 for 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.

Sherry Butterfield of Dresden Regulatory Assurance 1 Staff compiled this report for April 1999, telephone  !

number (815) 942-2920, extension 2959. d l

.i

,j R

c]

il

'j n.

. 1

& , lii ,.

lf: 'l S *

. _ f G ?H , ,

j +

. j3 f

s !.L LQ _

l

t  :

2.0

SUMMARY

OF OPERATING EXPERIENCE FOR APRIL 1999 2.1 UNIT 2 MONTHLY OPERATING EXPERIENCE

SUMMARY

Unit 2 operated throughout the. period at full power except for short periods for maintenance and surveillances.

I i

l F

1 1

4

1

. \

l 2.0 SUWARY OF OPERATING EXPERIENCE FOR APRIL 1999 a 2.2 UNIT 3 MONTHLY OPERATING EXPERIENCE

SUMMARY

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

l l

4 5 )

1 i

- !_ . ]

l 3.0 OPERATING DATA STATISTICS 3.1 OPERATING DATA REPORT - DRESDEN UNIT TWO DOCKET No. 050-237 DATE May 4, 1999 COMPLETED BY Gary Abrell .

TELEPHONE (815) 942-2920 i OPERATING STATUS i

1. REPORTING PERIOD: April 1999

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 JARAMETER THIS MONTH YEAR TO DATE CUMULATIVE HOUR 5 IN PERIOD 719 2,879 251,735 TIME arACTon CRITICAL 719 2,879 185,500 TDE REACTOR RESERVE SHUTDOWN (Hours) 0 0 0 j TDE GENERATOR CH-I.INE (Hours) 719 2,879 177,154 TDE GENERATOR RESERVE SHUTDOWN (Hours) 0 0 4 THWOSLL ENERGY GENERATED @Smt Gross) 1,806,295 7,199,349 375,123,414 ELECTRICAL ENERGY GDERATED (MNEHe Gross) 587,802 2,363,993 119,995,729 ELECTRICAL ENERGY GENERATED DetEne Net) 562,504 2,267,394 113,580,427 REACTOR SERVICE FACTOR (%) 100.0% 100.04 73.7%

REACTOR AVAIIABILITY FACTOR (%)- 100.0% 100.0% 73.7%

GENERATOR SERVICE FACTOR (%) 100.0% 100.0% 70.4%

GENERATOR AVAILABLILITY FACTOR (%) 100.0% 100.0% 70.4%

CAPACITY FACTOR (Using ICD Net) (%) 101.3% 102.0% 58.4%

CAPACITY FACTOR (Using DER Net) (%) 98.5% 99.2% 56.8%

IURCED OUTAGE FACTOR (%) 0% 0.0% 12.2%

6

3 1

3.0 OPERATING DATA STATISTICS 3.2 OPERATING DATA REPORT - DRESDEN UNIT THREE DOCKET No. 050-249 DATE May 4, 1999 COMPLETED BY G. Abrell TELEPHONE (815) '942-2920 OPERATING STATUS

1. REPORTING PERIOD: April 1999

2. CURRENTLY AUTHORIZED POWER LEVEL (MWth): 2,527-MAXIMUM DEPENDABLE. CAPACITY (MWe Net) : 773 DESIGN ELECTRICAL RATING (MWe Net) : 794

3. POWER LEVEL TO WHICH RESTRICTED: No restriction

4. REP. SONS FOR RESTRICTIONS (IF ANY): See Section 2.2 of this report, l REPORTING PEROD DATA PARMETER TMS MONTH YEARTO DATE CLNLA.ATNE 5 mKES IN PERIm 719 - 2,879 241,055 6 TDs REncitR CRITICAL 719 2,212 172.407' 7 Tns REncitR RESERVE SMMX2ei (Hours) 0 0 0 8 Tas canEurCR CBI-LINE (Hours) 719 2,164 164,745 9 Tas CEDEMitR RESERVE SHUTD0ler Glaurs) 0 0 1 10 nagemL ENER3Y GEDERMED 00 Git Gcoss) 1,806,895 5260650 348,513,075 11 E1EC1RICAL DER 3Y GDERA3ED 04Gio Gross) . 589,607 1,719,479 111,698,282 12 ELECTRICAL BENY GENEM!ID 06EHe Net) 567,471 1,650,186 105,991,694 13 RIaC2tR SERVICE NACTCR (%) 100.0 % 76.8 % 73.4 %

14 muacitR AVAIIABILITY FAC2tR (%) 100.0 % 76.8 % 73.4 %

15 GENERAltR SERVICE FAcitR (%) 100.0% 75.2 % 70.0 %

16 GENImh2tR AVAIIABLILITY FACTCR (%) 100.0 % 75.2 % 70.0 %

17 CAPACITY IRCTCR (Usirq M:D Not) (%) 102.2 % 74.2 % 57.9 %

18 CAPACITY IRCitR mairq EER Net) (%) 99.4 % '2.2% 56.3 %

19 ftBCID OUTNE FACitR (%) 0% 3.1% 12.4 %

a 7

')

o

./ e*

3.3 UNIT 2 SHUTDOWNS REPORT MONTH OF APRIL 1999 NO DATE TYPE DURATION REASON METHOD OF CORRECTIVE l (1) (HOURS)* (2) TING REACTOR (3)

Year-to-date forced outage hours = 0 Cumulative forced outage hours = 24,691 TABLE KEY:

(1) (3)

F: Forced Method:

S: Scheduled 1. Manual

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

-, ,n .g - - , , , , , , . -

i i _ , , . . . ., _ . . , , , .

. i. , .i .i

.,, "a

p. ,

-3.4 UNIT 3 SHUTDOWNS REPORT MONTH APRIL 1999 NO DATE TYPE (1) DURATION REASON (2) METHOD OF CORRECTIVE (h0VRS)* SHUTTING ACTIONS /

DOWN COMMENTS REACTOR (3)

Year-to-date forced outage hours = 70 Cumulative forced outage hours = 24,761 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) 9

.M

4.0 UNIQUE REPORTING REQUIREMENTS 4.1 MAIN STEAM RELIEF AND/OR ' SAFETY VALVE OPERATIONS -

UNIT 2 - NONE UNIT 3 - NONE 4.2 Technical Specification Amendments None.

e 10

,