ML20112G779

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Monthly Operating Repts for Dec 1984
ML20112G779
Person / Time
Site: Dresden  Constellation icon.png
Issue date: 12/31/1984
From: Maxwell D, Scott D
COMMONWEALTH EDISON CO.
To:
NRC OFFICE OF ADMINISTRATION (ADM), NRC OFFICE OF INSPECTION & ENFORCEMENT (IE)
References
85-22, NUDOCS 8501160519
Download: ML20112G779 (16)
v • d • e


Text

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OPERATING DATA REPORT DOCKET NO. 050-237 DATE Jan. 2.1985

j. COMPLETED By D. C. Maxwell TELEPHONE (815) 942-2920.

Ext. 489

! OPERATING STATUS 3 -

NOTES

'[ 1. Unit Name: Dresden II

2. Reporting Period: December. 1984

', 3 Licensed Thermal Power (MWt): 2.527

4. Nameplate Rating (Gross MWe): 828
5. Design Electrical Rating (Net NWe): 794

- 6. Maximum Dependable capacity (Gross MWe): 812

.7 Maximum Dependable Capacity (Net MWe): 772

8. If Changes Occur in Capacity Ratings (items 3 Through 7) Since Last Report, Give Reasons:

9 Power Level to Which Restricted, if Any (Net MWe):

10. Reasons For Restrictions, if Any:

This Month yr-to-Date Cumulative.

11. Hours in Repcrting Period 744 8784 128.304
12. Number of Hours Reactor Was Critical O 6511.4 98.735.9 13 Reactor Reserve Shutdown Hours 0 0 0
14. Hours Generator On-Line 0 16.403.8 97.309.8 ,,

15 Unit Reserve Shutdown Hours

~

0 0 0

16. Gross Thermal Energy Generated (MWH) 0 14.643.422 191.338.058 17 Gross Electrical Energy Generated (MWH) 0 4.719.142 61.221.341
18. Net Electrical Energy Generated. (MWH) -2.758 4.460.360 57.848.626
t. 19 Unit Service Factor 0 72.9 75.8 l' 20. Unit Availability Factor 0 72.9 75.8 1, 21. Unit Capacity Factor (Using HDC Net) 0 65.8 58.4 Ie 22. Unit Capacity Factor (Using DER Net) 0 64.0 56.8 23 Unit Forced Outage Rate 0 4.3 11.2

. 24. Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each):

In Refueline Outage L. 25.- If Shut Down At End of Report Period, Estimated Date of Startup: Feb. 6, 1985 l-h it l-

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(i 8501160519 841231

! PDR ADOCK 05000237

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$4 OPERATING DATA REPORT DOCKET NO. 050-249 DATE Jan. 2.1985 COMPLETED BY D. C. Maxwell TELEPHONE 815/942-2920.

i Ext. 489 1

OPERATING STATUS i 1. Unit Name: Dresden III

2. Reporting Period: December. 1984 3 Licensed Thermal Power (MWt): 2.527
4. Nameplate Rating (Gross MWe): 828 5 Design Electrical Rating (Net MWe): 794 i
6. Maximum Dependable Capacity (Gross MWe): 812
7. Maximum Dependable Capacity (Net MWe):, 777
8. If Changes Occur in Capacity Ratings (Items 3 Through 7) Since Last Report, Give Reasons:

9 Power Level to Which Restricted, If Any (Net MWe):

10. Reasons For Restrictions, if Any:

This Month Yr-to-Date Cumulative.

11. Hours in Reporting Period 744 8784 117.889
12. Number of Hours Reactor Was Critical 744.0 3.888 89.877
13. Reactor Reserve Shutdown Hours 0 0 0
14. Hours Generator On-Line 744.0 3.311 83 172
15. Unit Reserve Shutdown Hours 0 0 0
16. Gross Thermal Energy Generated (MWH) 1 771.203 7.095.925 167.057.023

' 17 Gross Electrical Energy Generated (MWH) 577.117 2.254.058 54.206.977 i

18. Net Electrical Energy Genera *sd.(MWH) 555.240 2.105.646 51.336.230 19 Unit Service Factor 100.0 37.7 70.6

, 20. Unit Availability Factor 100.0 37.7 70.6

21. Unit Capacity Factor (Using MDC Net) 96.5 31.0 56.3
22. Unit Capacity Factor (Using DER Net) 94.0 30.2 54.8 23 Unit Forced Outage Rate 0 14.2 12.7
24. Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each):

i L

25. If Shut Down At End Of Report Period, Estimated Date of Startup:

4 i

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, e DOCKET NO. 050-237 UNIT NAMEDresden II UNIT SHUTDOWNS AND POWER REDUCTIONS DATE January 2.1985 -

COMPLETED BY D. C. Maxwell TELEPHONE (815) 942-2920 REPORT MONTH Decernber,1984 i

METHOD OF LICENSEE CAUSE & CORRECTIVE NO. DATE TYPEl DURATION REASON 2 SHUTTING EVENT SYSTEM COMPONENT ACTION TO (HOURS) DOWN REACTOR 3 REPORT f CODE 4 CODE 5 PREVENT RECURRENCE 5 84-10-05 S 744 C 1 - - -

Refueling outage 1 2 3 4 F: Forced Reason:

S: Scheduled A-Equipment Failure (Explain)

Method: Exhibit G-Instructions for 1-Manual. Preparation of Data B-Maintenance or Test 2-Manual Scram Entry Sheets for Licensee C-Refueling 3 -Automatic Scram Event Report ( ) File D-Regulatory Restriction 4-Other (Explain) (NUREG-0161)

E-Operator Training & License Examination F-Administrative G-Operational Error H-Other (Explain)

_ - I

., . r DOCKET NO. 050-249 UNIT NAME Drewlen III UNIT SHUTDOWNS AND POWER REDUCTIONS DATE .Tnnnnev 2, 1985 ,

COMPLETED BY D _ C. Maxwell TELEPHONE (815) 942-2920 REPORT MONTH Decenber,1985 METHOD OF LICENSEE CAUSE & CORRECTIVE NO. DATE TYPEl DURATION REASON 2 SHUTTING EVENT SYSTEM COMPONENT ACTION TO (HOURS) DOWN REACTOR 3 REPORT i CODE 4 CODES PREVENT RECURRENCE None i

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t 1 2 3 4 F: Forced Reason: Method:

S: Scheduled A-Equipment Failure (Explain) Exhibit G-Instructions for 1-Manual Preparation of Data B-Maintenance or Test 2-Manual Scram Entry Sheets for Licensee 4

C-Refueling 3-Automatic Scram Event Report (

) File D-Regulatory Restriction 4-Other (Explain) (NUREG-0161)

E-Operator Training & License Examination i F-Administrative G-Operational Error H-Other (Explain)

r. .

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AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 050-237 UN IT II DATE January 2,1985 COMPLETED BY D. C. Maxwl1 TELEPHONE 815/942-2920, Ext. 489 MONTH Dect=nher. 1984 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net) (MWe-Net) 1 0 17 0 2 0 18 0 3 0 19 0 4 0 20 0 O 5 6 0 2'

22 0 7 0 0 23 8 0 24 0 9 0 25 _0 l'o 0 26 0 11 0 27 0 12 0' 28 0 13 0 29 0 .

14 O. 0 30 ,;

15~ 0 31 0 16 0 O

AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 050-249 UillT III DATE January 2,1985 COMPLETED BY D. C. Maxwell TELEPHONE 815/942-2920.

Ext. 489 MONTH December. 1985 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net) (MWe-Net) 1 421 17 771 2 571 18 756 3 717 19 790 4 776 20 -

786

] 5 6

784-793 21 .778 22 666 7 775 23 760 8 810 24 751 9 780 25 752 10 793 26 .778 11 777 27 12 783 28 787

. I3 782 29 776 .

14 797 30 694

, a 15~ 740 31 761 16 659

DRESDEN UNIT 2 SAFETY RELATED MAINTENANCE - DW!BFR,1984 NATURE OF LER OR OUTAGE- MALFUNCTION EQUIPMENT MAINTENANCE NUMBER CAUSE RESULT CORRECTIVE ACTION CRD 58-39 Corrective W.R. #36894 N/A N/A Changed accumulator #58-39 (R-10).

(R10)

CRD 02-31 Corrective W.R. #36893 N/A N/A Replaced accumulator #02-31 (A-8),

tA-8)

Valve #2-1601- Preventive W.R. #36226 N/A N/A Replaced h" copper tubing coupling.

20B U2 Diesel Corrective W.R. #38314 N/A N/A Installed new air regulator and new Generator Air 0-300 16 gauge.

Start ICV U2 Rx Bldg. Preventive W.R. #35935 Exch. Isol.

N/A N/A Rebuilt and installed versa valve.

Valve 2A U2 Diesel Preventive W.R. #38395 N/A N/A Removed and replaced old air regulator.

Generator Start Regulator Channel #2 Preventive W.R. M7428 N/A AIM 1 N/A Replaced flow trip reference tulit and calibrated as per DIS 700-6 Rev. 8.

Refuel Cmne Preventive W.R. #37602 N/A N/A Calibrated refuel crane ann.

Ann U2 250 VDC 1kxlification W.R. N/A N/A Fabricated, painted, and installed new Battery r38607 bracket.

Accurulator Preventive W.R. #34884 N/A N/A Replaced packing on check valve.

  1. 54-23

p -

DRESDEN UNIT 2/3 SAFETY RELATED MAINTENANCE - DECBIBER,1984 NATURE OF LER OR OUTAGE MALFUNCTION EQUIPMENT MAINTENANCE NUMBER CAUSE RESULT CORRECTIVE ACTION CED Accunulator Preventive W.R. #38088 N/A N/A Rebuilt accumulator 42-07 Inc (SN-A3145).

Replaced '0" rings C teflon '0" rings.

Spare Safety Preventive W.R. F27838 Valve, EEN N/A N/A Rebuilt and tested safety valve.

  1. 2/3-203 SInre Safety Preventive W.R. #27840 N/A Rebuilt spare safety valve.

Valve, EPN N/A

  1. 2/3-203 Spare Safety Preventive W.R. #27841 N/A Rebuilt spare safety valve.

Valve, EPN N/A

  1. 2/3-203 Spam Safety Preventive W.R. #27839 Rebuilt spare safety valve renoved fran N/A N/A Volve, EPN U3.

s2/3-203 CRD's Modification W.H. N/A N/A Modified stop pistons and rebuilt CRD's -

  1. 30191 S/N-201 and S/N-973.

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DRESDEN UNIT 3 SAFETY RELATED MAINTENANCE - DECBIBER, 1984 NATURE OF LER OR OUTAGE liALFUNCTION EQUIPMENT MAINTENANCE NUMBER CAUSE RESULT CORRECTIVE ACTION 03 Sm!-Im! Preventive W.R. #27784 N/A N/A Lubed all SB!-Im! drive tubes with Drive Tubes molykote silicone grease.

Valve #3-0202- Corrective W.R. #31914 N/A N/A Replaced tenninal blocks.

GA Isolation Cormctive W.R. #27257 N/A N/A Torque set at lb close 3h open.

Condensate Return Isol.

\Blve, EPN

  1. 3-1301-3 103-1501-5C Corrective W.R. #31739 N/A N/A Found auxiliary contact hung-up. Freed auxiliary contact and lubed.

Turbine Exhaust Preventive W.R. F25784 N/A N/A G ecked wiring and changed print.

Pressure Switches, EPN

  1. PS-2368A, -

2368B Solenoid Valves Preventive W.R. #28565 N/A N/A Replaced all solenoids.

for /O's 220-44,4G,47 and 1402-9A and OB AO3-1001-2C Preventive W.R. #31759 N/A N/A Ranoved and relamped broken bulb.

Local Control Station HPCI 2301-35 Corrective W.R. #30640 N/A N/A Replaced broken lug.

Volve

p W. 1 55 DRESDEN UNIT 3 SAFETY RELATED MAINTENANCE - DEG3!BER,1984 NATURE OF LER OR OUTAGE MALFUNCTION EQUIPMENT MAINTENANCE NUMBER CAUSE RESULT CORRECTIVE ACTION Electrmatic Preventive W.R. #29612 N/A N/A Replaced tenninal blocks on electromatics Reli1f Valve, and target rock valve.

EPN #AO-3-203-3A,B,C,D and E 103-1001-2C Preventive W.R. #29398 N/A N/A Ranoved broken bulb and relamped.

local Control Replaced green glass bulb cover.

Station LPCI Spray Preventive W.R. #36629 N/A Replaced transformer.

N/A Valve 103-1501-38A Torus Rx Bldg. Preventive W.R. #36536 N/A N/A Tightened fittings to secure air leaks.

Vacuun Breaker 3-1601-20B AO-1601-56 Preventive W.R. #36535 N/A N/A Tightened fittings to secure air leaks.

AO-3-1601-21 Preventive W.R. #36534 N/A N/A Tightened fittings to secure air leaks.

Accunulator Corrective W.R. #36931 N/A N/A Changed out diaphram.

18-47 Pressure Sup- Preventive W.R. #34965 N/A Cleaned welds for inspection.

pression N/A Piping S/D Cooling 2A Preventive W.R. #34202 N/A N/A Adjusted packing. Lubed stan with molykote Valve, EPN G paste.

  1. 103-1001-2A Vent to SBGT Preventive W.R. #38289 N/A N/A Replaced versa valve on the vent to SBGT Isolation Valvo isolation valve 1601-63.

1601-63

DRESDEN UNIT 3 SAFETY RELATED MAINTENANCE - DECBIBER, 1984 NATURE OF LER OR OUTAGE MALFUNCTION EQUIPMENT MAINTENANCE NUMBER CAUSE RESULT CORRECTIVE ACTION CRD Accumulator Corrective W.R. #37977 N/A Replaced accumulator.

N/A

  1. 42-07 (L-2)

Accumulator Corrective W.R. #33619 N/A Replaced valve.

N/A

  1. 42-19, EPN
  1. 3-0305-113 U3 125 VDC Modification W.R. Fabricated, painted and installed N/A N/A Battery Seis- #38612 bracket, mic Restraint Torus-Rx Bldg., Preventive W.R. #30549 -

N/A N/A Replaced versa valve.

EPN #3-1601-20B U3 MSIV's Preventive W.R. #27746 N/A Checked resistance on operating coils of N/A limit switches.

3C CCSW PP Corrective W.R. #38057 N/A N/A Repacked valve and repaired drain line.

CRD K-7 With- Corrective W.R. #27162 N/A N/A Replaced 127 valve on CRD K-7 (38-27) by draw Line Iso- cutting and welding.

lation Valve, EPN #3-0305-102 LPIBI 48-33A, Corrective W.R. #37164 LPB1 Gr I N/A N/A Recalibrated LPMI 48-33A.

Im! #16 Corrective W.R. #35367 N/A N/A Recalibrated Im! #16.

DRESDEN UNIT 3 SAFETY RELATED MAINTENANCE - DECBIBER,1984 NATURE OF LER OR OUTAGE MALFUNCTION EQUIPMENT MAINTENANCE NUMBER CAUSE RESULT CORRECTIVE ACTION Torus-Rx Bldg. Corrective W.R. #37700 N/A N/A Replaced mounting bolts and reinstalled Vacuun Breaker air line.

A03-1601-20B Recirculation Preventive W.R. #37881 N/A N/A Valve works correctly. Equalize select Cross Connect switch not engaged while the valve was to Bypass Valve, be opened.

EPN #3-202-9A

SUhB!ARY OF OPERATING EXPERIENCE UNIT 'no E

DECBIBER, 1984 12-01 to.12-31 Refueling outage activities continued throughout the entire period. 'Ihe unit is presently scheduled to start-up early in February, 1985. Major work includes:

- Local Leak Rate Tests

- I5I Inspections.

- Replace Control Rod Drives

- ILRT Preparation

- Nonnal Pump (s) and Valve (s) Maintenance I

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SUhS!ARY OF OPERATING EXPERIENCE UNIT THREE DECBIBER, 1984 12-01 to 12-31 Unit 3 operated continuously during this period (with nornal power reductions for weekend sun'elllances) reaching a power level of 828 h!We with a capacity factor of 93.25% and an availability of 100L E

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UNIQUE RHORTING REQUIRBENTS MAIN SITE! RELIEF VALVE OPERATICES Relief valve operations during the reporting period are summarized in the following table. The table includes infonnation as to which relief valve was actuated, how it was actuated, and the circtustances resulting in its actuation..

Valves Description Unit Actuated Actuations Conditions of Events-2 12-01-84 to 12-31-84 None (4 safety / relief valves were replaced during the refueling outage and will be tested in January of 1985.)

3 12-01-84 to 12-31-84 None

. _.e f'N Commonwealth Edison

[ C: ) Dresden Nuclett Power St: tion tg % R.R. #1

. Morris, Illinois 60450 Telephone 815/942-22,20 January 2, 1985 i

9 DJS LTR: 85-22 Director, Office of Inspection and Enforcanent United States Nuclear Regulatory Ccmnission Washington, DC 20555 Attention: Docunent Control Desk

Dear Sir:

Enclosed, please find Dresden Station's operating data for last month. ' Ibis information is supplied to your office per the instruc-tions set forth in Regulatory Guide 1.16.

Sincerely, D. J. Scott Station Superintendent Dresden Nuclear Iber Station DJS: DOI:hjb Enclosure cc: Region III, Regulatory Operations, U.S. NRC Chief, Division Nuclear Safety, State of IL U.S. NRC, Docunent Management Branch Nuclear Licensing Administrator Nuc. Sta.-Div. Vice Pres.

Manager, Tech. Serv. Nuc. Sta.

Tech. Staff AE On-Site NRC Inspector Sta. Nuc. Eng. Dept.

Comptroller's Office PIP Coordinator IhTO Records Center File /NRC Op. Data 4:

File /Nunerical 1b O'

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