ML20115C039

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Monthly Operating Repts for Mar 1985
ML20115C039
Person / Time
Site: Dresden  Constellation icon.png
Issue date: 03/31/1985
From: Schroeder B, Scott D
COMMONWEALTH EDISON CO.
To:
NRC OFFICE OF ADMINISTRATION (ADM), NRC OFFICE OF INSPECTION & ENFORCEMENT (IE)
References
85-356, NUDOCS 8504180230
Download: ML20115C039 (17)
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, OPERATING DATA REPORT ,

DOCKET NO. 050-237

- DATE April 1. 1985 e

j COMPLETED BY B.'A. Schroeder t.

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  • TELEPHONE (815) 942-2920 l

! '0PERATING STATUS j- . .

. NOTES

,.1. Unit Name: Dresden II Q j 2.. Reporting Period: March. 1985

. 3 Licensed Thermal Power (MWt): 2,527

~.' 4._~ Nameplate Rating (Gross MWe): 828 4 5. Design Electrical Rating (Net MWe): 794

6. Maximum Dependable Capacity (Gross MWe): 812 ~

Maximum Dependable Capactty (Net MWe): 772

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-8. If Changes Occur in Capacity Ratings Ticems 3 Through 7) Since tast Report, Give i Reasons:'

P' N/A Pi 1 Power Level to Which Restricted, if Any (Net MWe): N/A _

10. : Reasons For Restrictions, if Any: N/A This Month Yr-to-Date Curnulative.
11. Hours in Reporting Period 744 2160 130.464 12.: Number 'of Hours- Reactor Was Critical 0 0 99.71s.9 13 Reactor Ra' serve Shutdown-Hours 0 0 0
' 14. _ Hours Generator On-Line 0 0 97.309.8 _ ,

, 15 Unit Reserve Shutdown Hours 0 0 o L ~16. Gross The'rmal Erjergy Generated (MWH) 0 0 191.338.058 L 17 Gross Electrical Energy G,.nerated (MWH) 0 _,

0 61.221.341

18. Net Electrical Energy Generated.(MWH) -2109 -8784 57.839.842

! -19 Unit Service Factor 0.0 0.0 74.59 l' 20.: Unit Availability Factor 0.0 0.0 74.59 h;; 21. Unit Capacity Factor (Using HDC Net) 0.0 0.0 57.43 Li 22. Unit Capacity Factor (Using DER Net) 0.0 0.0 55.84

23 Unit Forced Outage Rate 0.0 0.0 11.22 f( .
i. 24. Shutdowns. Scheduled Over Next 6 Months (Type, Date, and Duration of Each):

{, 62-Day 1 25% after start-up for snubber inspection.

li j, ~25. _lf Shut' Down At End Of Report Period, Estimated Date of Startup: April 7, 1985

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k OPERATING DATA REPORT DOCKET NO.- 050-249 DATE April 1. 1985

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COMPLETED BY B. A. Schroeder !

g TELEPHONE (815) 942-2920

.!' OPERATING STATUS

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NOTES

1. Unit Name: Dresden III I 2. ' Reporting Period: March. 1985
3. . Licensed Thermal Power (MWt): 2.527 4.~ Nameplate Rating (Gross HWe): 828

! 5. Design E1'ctrical e Rating (Net MWe): 794

6. Maximum Dependable Capacity (Gross MWe): 812

,- 7 Maximum Dependabie Capacity (Net MWe): 773 4

8. If. Changes occur in Capacity Ratings (items 3 Through 7) Since Last Report, Give 1 Reasons:

I N/A 9 Power Level to Which Restricted, if Any (Net MWe): N/A l 10. - Reasons For Restrictions, if Any: n/A This Month Yr-to-Date Cumulative.

II. Hours in Reporting Period 744 2.160 120,049

12. Number of Hours Reactor Was Critical 744 2.059.2 91.937.2
13. Reactor Reserve. Shutdown Hours 0 0 0

.14. Hours Generator On-Line 744 2.019.8 Rs.191.9

15. Unit Reserve Shutdown Hours 0 0 0
16. Gross Thermal Energy Generated (MWH) 1.711.446 4.704.809 '171.761.832
17 Gross Electrical Energy Generated (MWH) 542.128 1,508,320 55,715,297

~18. Net Electrical Energy Generated. (MWH) 514.249 1.441.833 5?.778.063

'la. Unit Service Factor inn.n 93.51 70.96

~ ,20.- Unit Availability Factor 100.0 93.51 70.96 L 21. Unit Capacity Factor (Using MDC Net) R9.42 86.35 56.87 U 22. Unit Capacity Factor (Using DER Net) R7.05 84.07 55.37

23 Unit Forced Outage Rate 0.0 6.49 12.59

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

[i N/A i 25 If Shut Down At End Of Report Period,' Estimated Date of Startup: N/A F ,

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' DOCKET NO. 050i 237 UNITLNAME Dreaden II UNIT SHUTDOWNS AND POWER REDUCTIONS DATE Anril 1. 1985 COMPLETED ~ BY E . A. Schroeder TELEPHONE (815) 942-2920 REPORT MONTH MARCH,'1985 METHOD OF ' LICENSEE .CAUSE & CORRECTIVE NO. -DATE TYPE 1 DURATION REASON 2 SHUTTING EVENT SYSTEM COMPONENT '

' ACTION TO (HOURS) . DOWN REACTOR 3 . REPORT f CODE 4 CODES PREVENT RECURRENCE 5 84-10-05 S 744 .C 1 -- -- --

Refueling outage.-

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'l 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 l C-Refueling Event Report (

! D-Regulatory Restriction 3--Automatic ' Scram ) File 4-Other (Explain) (NUREG-0161) j E-Operator' Training & License Examination .

! F-Administrative-l' G-Operational Error H-Other (Explain) i e

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DOCKET NO. 050-237' " '-

UNIT NAMEDrvden Ill UNIT SHUTDOWNS AND POWER REDUCTIONS- .

DATE April 1. 1985-COMPLETED BY B. - A. Schroeder TELEPHONE (815) 942-2920 REPORT MONTH MARCH,' 1985: 1 4

METHOD OF LICENSEI; CAUSE & CORRECTIVE-NO.. 'DATE TYPEl DURATION REASON 2 SHUTTING- EVENT ~ SYSTEM COMPONENT ACTION TO -

i (HOURS) DOWN REACTOR 3 ~ REPORT # CODE 4 CODE 5 PREVENT RECURRENCE None 4

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j 'l 2 3 4 F: Forced Reason: Method:

S: Scheduled A-Equipment Failure (Explain) Exhibit G-Instructions for 1-Manual Preparation of Data B-Maintenance on Te=t 2-Manual Scram Entry Sheets for Licensee i .C-Refueling 3 -Automatic Scram ~ Event Report (

i D-Regulatory Restriction

)' File i

4-Other (Explain) (NUREG-0161)

E-Operator Training & License Examination .

F-Administrative

! G-Operational Error I

H-Other (Explain) '

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4 AVERAGE DAILY UNIT POWER LEVEL -

DOCKET NO. 050-237

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UNIT II

~ DATE - April ~1, 1985 COMPLETED BY B. A. Schroeder TELEPHONE 815/942-2920 MONTH March,'19'85

-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

5. 0 21 0 6 0 22 0 7 0 23 0 8 0 24 0  :

r 9 0 25 0

- 10 0 26 0

' 11 0 27 0 12 0 28 0 .

13 0 29 0 14- 0 30 0 15 0 31 0  ;

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AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 050-249 UtilT III-DATE ' April 1; 1985 COMPLETED BY B. A. Schroeder TELEPHONE 815/942-2920 MONTH March, 1985 DAY. . AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net) (MWe-Net)

I 768 17 662

-2 762 18 662 3 727 19 670

'4 754 20 699 5': 760 21 658 6' '770 22 668 7 782 23 666 8 776 24 669 9 755 25 668 10 724 26 658 11 734 27 662 12 74 1 28 659 13 656 29 675 14' 676 30 650 15- 659 31 656 16 659

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DRESDEN UNIT 2 SAFETY RELATED MAINTENANCE - MARCH, 1985 NATURE OF LER OR OUTAGE MALFUNCTION EQUIPMENT MAINTENANCE NUMBER CAUSE RESULT CORRECTIVE ACTION Shutdown Preventive W.R. #40043 N/A N/A Indication removed with a half-round Cooling Line bastard file under LMT's direction.

1001A, EPN W21d #14-5 24/48V 2B Top Corrective W.R. #38428 ---

N/A N/A Repaired knob.

B ttery Char-gir Timer Knob Drywall Pres- Preventive W.R. #38625 --

N/A N/A Replaced bolt and spacer, cure Switch, EPN #2-1501-62C 2B-RPS-MG Set Preventive W.R. #36426 ---

N/A N/A Tested breaker three times and lubri-cated with LPS #1.

SBLC 2A Squib Preventive W.R. #38916 N/A N/A Reinstalled cable in cord grip and Velva secured conduct.

U2 Torus to Preventive W.R. #32444 N/A N/A Installed new swedge block fitting.

Hotwell A02-1599-62

  1. 2 Dierel Preventive W.R. #36606 ---

N/A N/A Performed quarterly inspection July, Gener tor 1984.

MO 2-2301-15 Preventive W.R. #31078 N/A N/A Replaced broken bulb.

M0 1001-4A Preventive W.R. #31080 N/A N/A Replaced indicating light bulbs.

Pirnt Local St tion RPIS Drift Preventive W.R. #36065 N/A N/A Replaced relay.

Ralty

DRFSDEN UNIT 2 SAFETY RELATED MAINTENANCE - MARCH, 1985 NATURE OF LER OR OUTAGE MALFUNCTION ,

EQUIPMENT' MAINTENANCE NUMBER CAUSE RESULT CORRECTIVE ACTION Cere Spray Preventive W.R. #35476 N/A N/A ' Replaced and calibrated meter.

H;adar dP Indicetor 1467B HFA Relcy Preventive W.R. #40318 N/A N/A Rebuilt relay.

U2 Rx Bldg. Preventive W.R. #40672 ---

N/A N/A Inspected circuitry ac.d verified proper Intcrlock Door operation of doors.

Turbine Side CUB 2430 Bus Preventive W.R. #40917 ---

N/A. N/A Replaced trip coil and cleaned auxiliary 24-1 Main Feed contacts.

Brecker U2 Tip Shear Preventive W.R. #39095 ---

N/A N/A Discharged existing shear valves and Velves installed new shear valves.

DRESDEN UNIT 3 SAFETY RELATED MAINTENANCE - MARCH, 1985 NATURE OF LER OR OUTAGE HALFUNCTION -

EQUIPMENT MAINTENANCE NUMBER CAUSE RESULT CORRECTIVE ACTION MO 3-2301-4 Preventive W.R. #29175 ---

N/A N/A Removed and replaced valve operator.

Operctor D#3 Grepple Preventive W.R. 29679 N/A N/A Replaced the air hose on the hoist monorail for the D#3 grapple.

CRD 22-31 Preventive W.R. #36531 N/A N/A Rebuilt solenoids.

(F-8)

CRD i4-51 Preventive W.R. #36532 ---

N/A N/A Rebuilt solenoids.

(D-13)

CRD 22-11 Preventive W.R. #36533 N/A N/A Rebuilt solenoids.

(F-3)

CRD Arco Preventive W.R. #37040 N/A N/A Tightened all fittings.

Solenoids CRD Arco Preventive W.R. #37042 ---

N/A N/A Tightened fittings and rebuilt solenoids.

Solenoids CRD ASGS Preventive W.R. #37043 N/A N/A Tightened fittings and rebuilt solenoids.

Solenoids CRD A:co Preventive W.R. #37045 N/A N/A Tightened fittings and rebuilt solenoids.

Sslenoids CRD Arco Preventive W.R. #37046 N/A N/A Tightened all fittings.

Solenoids CRD Arco Preventive W.R. #37047 ---

N/A N/A Tightened all fittings.

Sol noids CRD A:co Preventive W.R. #37053 ---

N/A N/A Tightened fittings and rebuilt solenoids.

Sol:noids

J, 1DRESDEN UNIT 3 ,

SAFETY RELATED MAINTENANCE - MARCH,'1985-MALFUNCTION - < u

. NATURE OF LER OR OUTAGE EQUIPMENT MAINTENANCE NUMBER CAUSE RESULT CORRECTIVE ACTION CRD Arco Preventive W.R. #37055 N/A N/A Tightened fittings and rebuilt Solenoids solenoids.

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CRD Acco Preventive W.R. #37056 N/A N/A Tightened. fittings and rebuilt-Sol:noids solenoids.

1601-20B A0V Preventive W.R. #37778 N/A N/A Replaced solenoid. ~

SRM #22 Preventive W.R. #38736 N/A N/A Cleaned power supply board edge connector.

ADV Vent Valve Preventive W.R.-#38902 N/A N/A Adjusted limit switch.

302-161B CRD J7 34-27 Preventive W.R. #39561 N/A N/A Removed J-7-112 valve and reinstalled new valve bonnet with gasket.

-U3 CRD # 112 Preventive W.R. #39569 N/A N/A Pulled'#112 valves, inspected and Valvas reinstalled with new gasket.

Torua Purge Preventive W.R. #39585 N/A N/A Replaced versa. solenoid. valve.

Valva 1601-56 "A" SBLC Squib Preventive W.R. #40674 --

N/A N/A Replaced bulb in alarm unit and cleaned

. Valva Circuit alarm with proper indications.

Ammetsrs, EPN # 1140-3A APRM Ch. 12 Preventive W.R. #40717 N/A N/A Replaced relay K23 and tested.

Accum. #H-13 Preventive W.R. #40756 N/A N/A Replaced accumulator.

Accum. Pres- Preventive W.R. #40791' N/A N/A Replaced pressure switch and calibrated.

cura Switch, EPN #PS-3-305-130

m, DRESDEN UNIT 3 SAFETY RELATED MAINTENANCE - MARCH, 1985 NATURE OF LER OR OUTAGE MALFUNCTION EQUIPMENT MAINTENANCE NUMBER CAUSE RESULT CORRECTIVE ACTION HPCI Oil Preventive W.R. #40926 ---

N/A N/A Removed filter element, disassembled Fil".cr and reinstalled.

Drywell and Preventive W.R. #40041 N/A N/A Replaced Q2 regulator from U2. Repaired Torus Cam H2 Pump and calibrated H2 sensor detector.

S;n or:

LPRM 32-09-A Preventive W.R. #40476 N/A N/A Replaced and calibrated ion power supply Ch. 6 (100 VDC).

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DRESDEN UNIT'2'/3' SAFETY RELATED MAINTENANCE - MARCH. 1985 -

NATURE OF LER OR OUTAGE MALFUNCTION

' EQUIPMENT ._ MAINTENANCE NUMBER CAUSE RESULT ~ CORRECTIVE ACTION 2/3 Diesel Preventive W.R. # 15919 N/A N/A. ' Replaced door latch.

Genarctor Interlock Door Rx.-Bldg. Preventive W.R. #36126 --

N/A 'N/A -Adjusted auxiliary hook so' limit switch' Cran 2 stops crane just above 517'.

Station Preventive W.R. #36300 ---

N/A N/A Performed preventive maintenance on~

- Batteries station batteries.

2/3 Diesel Preventive W.R. #37348 N/A N/A Performed semi-annual inspection.

Generator 2/3 Diesel Preventive W.R. #37435 N/A N/A Replaced and calibrated HFA relay.

Genarctor 2/3 Rx Crane Preventive W.R. #40109 N/A N/A Key broken in restricted mode switch -

removed and set switch to normal.

FCV.7510A Preventive W.R. #40677 N/A N/A' Replaced valve positioner and stroked SBGT System valve.

2/3.."A" SBGT Preventive W.R. #40896 N/A N/A Replaced versa solenoid valve.

Flow Control Valve Solenoid 2/3 Diesel Preventive W.R. #42476 N/A N/A Installed new pressure regulator.

Generetor

- NL1 1/2 Preventive W.R. #42527 N/A N/A . Grounded off both tads.

Primary Yoke 24/48 V Preventive W.R. #29546 N/A N/A . Verified battery charger wiring per Battery . print. Made necessary changes to agree Charger with wiring diagram.

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DRESDEN UNIT 2/3 SAFETY RELATED MAINTENANCE - MARCH, 1985 NATURE OF LER OR OUTAGE E M CTION EQUIPMENT MAINTENANCE NUMBER CAUSE RESULT CORRECTIVE ACTION 3rd Floor Rx Preventive W.R. #37447 N/A N/A Checked the operation of interlock Bldg. to Tur- doors. Verified ok.

~bine Bldg.

Interlock Door (5) Limitorque Preventive W.R. #38211 N/A N/A Verified tightness and staking of set (Spare) screws for spring pack.

ARM Ind. Trip Preventive W.R. #38950 N/A N/A Repaired and tested spare indicator / trip Unit, EPN # unit. Returned to Stores.

1705-8A/B Sensor / Preventive W.R. #39178 N/A N/A Repaired and tested spare sensor / convertor.

Convertor for Returned to Stores.

ARM's Circuit Board Preventive W.R. #39505 N/A N/ Calibrated and adjusted circuit board.

Returned to Stores.

Gl Sensor / Preventive W.R. #40855 N/A N/A Repaired and tested spare sensor / convertor.

Convertor Returned to Stores.

Gl ARM Sensor / Preventive W.R. #40856 ---

N/A N/A Repaired and tested spare sensor / convertor.

Convertor ,

Returned to Stores.

SBGT "A" Train, Preventive W.R. #40965 N/A N/A Repaired and calibrated feedback signal..

EPH #2/3 7510A, Adjusted balance signal.

FIC 7541-28A 9

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SUMMARY

OF OPERATING EXPERIENCE

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UNIT TWO h MARCH, 1985 J03-01 to 03-31~ _ Refueling outage activities continued throughout the-entireLperiod. The; unit is presently scheduledEto start-up in early April,.1985. Major: work includes:

. - Local Leak Rate Tests

. Integrated' Leak Rate Test

- Snubber Pipe: Replacement

- Clean-up Pipe Replacement s

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  • c:: - , SIH1 MARY.OF OPERATING EXPERIENCE

' UNIT THREE

' MARCH,'1985 f03-Ol ito 03-31' - Unit 3 entered the month operating at a power level of

768 MWe and. operated continuous 1y'throughout the entire month (with normal power reductions on weekends for surveillances), reaching a power level of ~ 832 MWe -with a capacity factor of 87.58% and an availability of J'- 100%.

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UNIQUE REPORTING ~ REQUIREMENTS-s

' MAIN STEAM' RELIEF VALVE OPERATIONS Relief' valve operations during the reporting period are_ summarized in the following table. 'The table ' includes information as to which relief valve-was actuated, how~it was actuated, and the circumstances resulting in its 1

-actuation.

' Valves Description Unit ~ -Reporting Period Actuated Actuations- Conditions of Events 2: ~03-01-85 to.03-31-85 None

3! 103-01-85'to 03-31-85 None 5

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Commonwealth Edison Dresden Nuclear Power Station R.R. 01 Morris, Illinois 60450 Telephone 815/942-2920 April 1, 1985 DJS LTR: 85-356 Director, Office of Inspection and Enforcement United States Nuclear Regulatory Commission Washington, DC 20555 Attention: Document Control Desk

Dear Sir:

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

Sincerely, D. J. Scott Station Manager Dresden Nuclear Power Station DJS:DCM:hjb cc: Region III, Regulatory Operations, U.S. NRC Chief, Division Nuclear Safety, State of IL U.S. NRC, Document Manageaent Branch Nuclear Licensing Administrator Nuclear Fuel Services Manager Nuc. Sta. Div. Vice Pres.

Manager, Tech. Nuc. Sta.

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

Comptro11er's Office PIP Coordinator INPO Records Center File /NRC Op. Data File / Numerical

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