ML20134D972

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Monthly Operating Rept for Jul 1985
ML20134D972
Person / Time
Site: Nine Mile Point Constellation icon.png
Issue date: 07/31/1985
From: Lempges T
NIAGARA MOHAWK POWER CORP.
To:
NRC OFFICE OF ADMINISTRATION (ADM), NRC OFFICE OF INSPECTION & ENFORCEMENT (IE)
References
NMP-13402, NUDOCS 8508190496
Download: ML20134D972 (5)


Text

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NIAGARA b!0llAWK POWER CORPORATION NINE b!ILE POINT NUCLEAR STATION UNIT #1 NARRATIVE OF OPERATING EXPERIENCE The station operated during the month of July 1935 with a Unit Availability Factor of 100.0% and a Net Design Electrical Capacity Factor of 93.9%. There were 0 challenges to Electromatic Relief Valves. Reductions in Capacity Factor were due to seasonally warm circulating water temperatures and a load reduction to adjust control rod pattern.

CLASS I WORK - h!ECilANICAL b!AINTENANCE - JULY 1985 hR# 33431 94-01 Inst. Air Comp - replaced Blowdown Valve hR# 32653

  1. 114 FW litr - installed Temp. shield collar hR# 33448 210-03 Control Room Emergency Vent - replaced filter hR# 30180 210-01 #11 Control Room Cire. Fan - replaced bearing blocks and motor-hR# 30925 100.1 pipe supports - comp as per letter from P. Scorge CLASS I WORK - ELECTRICAL h!AINTENANCE - JULY 1985 hR# 33549 210-39A Control Room Vent System Position Indicator.

Lubricated Switch.

hR# 33594 Core Spray Vent I.V.121.

Replace coil wire.

CLASS I WORK - INSTRUh!ENTATION 6 CONTROL - JULY 1985 hR# 33374 LoLoLo 36-05A current too high (Readjusted high current gross failure pot.)

hR# 33617 Emergency Condenser 121 6 122 on shutdown panel #12 oscillates rapidly rhile control room indicator does not. (Replaced C1 ar.d C2 power supply filters.)

WR# 33951

  1. 14 APRhl Rod block setting out of adjustment.

(Adjusted per NISP3.1) 85081904968507h220^

1 gDR ADOCK 0500 PDR' T[,)

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OPERATING DATA REPORT DOCKET NO.

50-220 I

DATE 8]S485.

l.'

COMPLETED BY Mi-si TELEPHONE 349c2422-OPERATING STATUS g, g,;g % Nine Mile Point Unit I Notes l

2. Reporting Period:

7/1/85 TO 7/31/85 i1

3. Licensed Thermal Power (MWt):

1850 e!

4. Nameplate Rating (Gross MWe):

640

[;

5. Desagn Electrical Rating (Net MWe):

620

!l

6. Maximum Dependable Capacity (Gross MWe):

630 610

7. Maximum Dependable Capscity (Net MWe):
8. If Changes Occur in Capacity Ratings (Items Number 3 Through 7) Since Last Report. Give Reasons:

d

9. Power Level To Which Restricted. lf Any (Net MWe):
10. Reasons For Restrictions. If Any:

This Month Yr. to.Date Cumulative

11. Hours in Reporting Period 744 5.087 139,152.2 l
12. Number Of Hours Reactor Was Critical 744 5,057.1 97,772.8
13. Reactor Reserve Shutdown Hours 0

0 1,204.3

14. Hours Generator On.Line 744 5.042.3 94,847.6
15. Unit Reserve Shutdown Hours 0-0 20.4
16. Gross Thermal Energy Generated (MWH) 1.368.331.0 9,123,707 158.413.157
17. Gross Electrical Energy Generated (MWH) 446.632,_,

3,076,754 52.457.542

18. Net Electrical Energy Generated (MWH)-

433.053 2,985,719 50.815.713

19. Unit Service Factor 100.0 99.1 68.2
20. Unit Availability Factor 100.0 99.1 68.2
21. Unit Capacity Factor (Using MDC NetI 95.4 96.2 59.9
22. Unit Capacity Factor (Using DER Net) 93.9 94.7 58.9
23. Unit Forced Outage Rate 3.0 3.0 3.1
24. Shutdowns Scheduled Over Next 6 Months (Type. Date and Duration of Each t:
25. If Shut Down At Emi Of Report Period. Estimated Date of Startup:
26. Units In Test Status (Prior to Commercial Operation):

Forecast Achieved INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION (4/77I

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AVER \\GE D AILY L*N!T POhER LEVEL DOCKET NO.

50-220 LWIT _9 Milo Pt. #1 I

DATE 8/8/85 m

i CostPLETED !!Y es- -

TELEPil0NE 34[-2422 MONTH July 1985 DAY

' AVERACE DAILY POWER LEVEL, DAY AVER AGE DAILY POWER LEVEL IMhe Nett g yw,.3,,,

I 595 37 585 l

-2 593 l

s 581 l

3 591 39 577 4

588 20 577 5

588 578 6

588 576 7

583 23 579-3 586 24 580 9

585 25 582.

10 584

'6 579.

11 583 27 548 12 585

s 579 13 586 29 578 l

14 585 30 576 15 585 33 580 16 583 INSTRUCTIONS l

On this format.hst the aserage daily unit p.iwer lesci m MWe. Net for each day in the re;i..irmy m..n neartst wholf meg 2w3tt.

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UNITSHUTDOWNS AND POWER REDUCHONS DOCKET NO. 50-220 UNIT NAME 4 Wla P"-

  1. 1 DATE 8/8/85

/

REPORT MONTig July 1985 COMPLETED BY Wed h '

TELEPHONE 349-2 @

e.

E E

.!?

3 jYh Licensee

,E*

je.

Cause & Corrective No.

Ibse c-72 M

2:&

Event uT a?

Action to 4

j@

j$g Report a N0

[0 Prevent Recurrence c5 85-11 850727 20 11 Load Reduction To 75% For Control Rod Pattern Adjustment I

2 3

4 F: Forced Reason:

Method:

Exhibit C Instructions 5: Scheduled A Equipment Failure (Explain)

I-Manual for Prepasation of Data B-Maintenance ni Test 2-Manual Sciam.

Entry Sheets for Licensee C. Refueling 3-Automatic Scram.

Event Report (LER) File (NUREG-D Regulatory Restriction 44)ther (Explain) 0161)

E-Operator Training & License Examination F.Adnenistrative 5

G-Operational E:rus (Explain)

Exhibis 1 - Same Source r8/77) 11-O:her (Explain)

W 4

NMP-13402 NIAGARA MOHAWK POWER CORPORATION NI AGAR A MOHAWK 300 ERIE SOULEVARD. WEST SYRACUSE, N. Y.13202 August 7, 1985 i

Direc. tor

. Of fice of Inspection and Enforcement U.S. Nuclear Regulatorij Commission Washington, DC 20555 Attn:

Occument and Controi Desk Re: 00cket No. 50-220 DPR-63

Dear Sir:

Submitted herentith is the Report of Operating Statistics and shutdown for Juitj 1985 for the Nine Mile Point Nuclear Station U. tit M1.

At:,o included is a narrative report of Operating Exper.ience for July 1985.

Very thuitj yours,

'ff Thomas E. Lempges Vice President Nuclear Generation TEL/tg AttacInnenta cc: Director, Of fice of ISC i10 copies)

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