ML19208B436

Monthly Operating Rept for Aug 1979

ML19208B436
Person / Time
Site:	Millstone
Issue date:	09/05/1979
From:	Young R NORTHEAST UTILITIES
To:
Shared Package
ML19208B435	List: ML19208B434 ML19208B436
References
NUDOCS 7909200295
Download: ML19208B436 (7)

Text

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AVERAGE DAILY UNIT POWER LEVEL DOCKET NO.

50-245 UNIT Millstone 1 790905 DATE COMPLETED BY R. Youna TELEPHONE 203-447-1792 X475 MONm August DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net)-

(MWe-Net) 1 562 17 650 2

649 18 651 3

636 19 607 4

609 20 652 5

550 21 651 650 6

22 651 7

649 23 651 8

641 24 653-9 651 25 651 10 650 26 651 11 649 27 649-12 650 28 644 648 13 29 648 646 649 14 30 15 468 31 649 16 643 INSTRUCTIONS On this format, list the average daily unit power levelin MWe Net for each day in the reporting month. Compute to the nearest whole megawatt.

NOTE: MDC of 654 MW is based on commitment to New England Power Pool.

c (9/77) b721*'[e3 79099.002

9 0

OPERATING DATA REPORT

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DOCKET NO. 50-245 DATE.790905 C05fPLETED BY R. Youna TELEPilONE 2nl.447-1792 X-475 OPERATING STATUS

1. Unit Name:

Millstone 1 Notes

2. Reporting Period:

August 1979

3. Licensed Thermal Power (htWt):

2011

4. Nameplate Rating (Gross 51We):

662

5. Design Electrical Rating (Net 51We): 660

6. Sf aximum Dependable Capacity'(Gross StWe):

6R4

7. 5f aximum Dependable Capacity (Net SIWE):

654

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

NA

9. Power Level To which Restricted,if Any (Net 5tWe):

NA

10. Reasons For Restrictions.If Any:

NA This 51onth Yr to-Date Cumulative

11. Hours in Reporting Period 744 5.R11 76_751

12. Number Of Hours Reactor Was Critical 744 4.038 57.525

13. Reactor Reserve Shutdown flours 0

0 892

14. Hours Generator On.Line 744 393R.2 55.258.5

15. Unit Reserve Shutdown Hours 0

0 0

16. Gross Thermal Energy Generated (51WH) 1,448,937 7,481,799 98,535,087.

17. Gross Electrical Energy Generated (5tWH) 493.600 2.545.800 33.150.Ra6

18. Net Electrical Energy Generated (MWH) 471.841 2.424.530 11.941.n4R

19. Unit Service Factor 100.0 67.5 72,0 100.0 67.5 72.0

20. Unit Availability Factor

21. Unit Capacity Factor (Using 51DC Net) 97.0 63.6 61.4

22. Unit Capacity Factor (Using DER Net) 96.1 63.0 62.9

23. Unit Forced Outage Rate 0.0 8.7 17.4

24. Shutdowns Scheduled Over Ne.st 6 hionths (Type. Date,and Duration of Each):

A ton day outace is tentatively schodiiled for the last week in Or-tnhor fnr comoliance with NRC Bulletin 79-14.

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

NA e

26. Units In Test Status (Prior to Commercial Operation):

Forecast Achiesed INITIA L CRITICA LITY INITIA L ELECTRICITY COMMERCIA L OPERATION

<d [/-,.0.*i -ii (0/77)

t UNIT SilUTDOWNS AND POWER REDUC 110NS DOCKET NO. 50-245 UNIT NAME Millstone 1 DATE 790911 COMPLETED BY R Ynnnn REPORT MONTil August TELEPilONE 203-447:1792 Y-475 h

5_ E 3

.Ek Licensee

, n, S.4 E

Cause & Correctsve No.

Date g

3g i!j

,g g 5 Event sm 3

Action to

$2 5

jg5 Report a iN C U

Prevent Recurrence c

11 790815 F

NA B

NA NA HC HTEXCH Reduced power for main condenser maintenance. Power was increased following maintenance.

l 2

3 4

F: Forced Reason:

'fet:nal:

Exlubit G -Instructions S: Scheduled A-Equipment Failure (Explain) 1 -Manual for Preparation of Data ILMaintenance of Test 2-Manual Scram.

Entry Sheets for Licensee C Refueling 3 Automatic Scram.

Event Report (LER) File (NUREG-en7' D-Regulatory Restriction 4-Other (Explain) 0161) 3 E-Operator Training i License Examinalion

?N F-Administrative 5

r'*

G-Operational Eiror (ExpLm)

Exhibit I - Same Source 7.t-(9/77)

Il-Other (Explain) w!

Page 1 of I

Docket No. 50-245 Date 790911 Unit Name Millstone 1 Completed By R. Young Telephone 203-447-1792 x-475 CORRECTIVE MAINTENANCE

SUMMARY

FOR SAFETY RELATED EQUIPMENT Report Month August DATE SYSTEM COMPONENT MAINTENANCE ACTION 790808 Containment 1-AC-12 Valve operator Disassembled, cleaned internals, reassembled,.

Atmosphere Control and tested.

790809 Fire Protection Gas Turbine Fire Detection Taped up splice and tested panel.

System Panel 790815 Condensate System 1-CN-73B Lapped seat and disc and set the relief pressure.

Condensate Bstr. PP. R/V 790828 Containment 1-AC-9 Valve operator Disassembled, cleaned internals, reassembled, and Atmosphere Control tested.

790828 Containment 1-AC-12 Valve operator Disassembled, cleaned ir ternals, reassembled, and Atmosphere Control tested.

790828 Service Water Service Water Strainer Removed foreign material and adjusted drum setting.

CC I

p...

2

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OPERATING HISTORY August 1, 1979: 0000 Hrs. - Reduced power for Turbine Stop Valve Testing and main condenser cleaning 0115 Hrs. - Reactor power at 75%

1450 Hrs. - Completed cleaning and repairs, increased power 2200 Hrs. - Reactor power at 100%

August 3, 1979: 2200 Hrs. - Decreased power to rebrush "B" reactor recire. M.G.

2345 Hrs. - Reactor power at 45%

August 4, 1979: 0205 Hrs. - Rebrushing completed, increasing power 0720 Hrs. - Reactor power at 100%

August 5, 1979 0550 Hrs. - Decreased power to enter "C" main condenser for maintenance 0700 Hrs. - Reactor power at 60%

1235 Hrs. - Increased reactor power 1930 Hrs. - Reactor power at 100%

August 8, 1979 0019 Hrs. - Decreased power for TSVT 0050 Hrs. - Commenced test at 85%

0055 Hrs. - Completed TSVT, backwashed main condenser 0217 Hrs. - Increased power 0255 Hrs. - Reactor power at 100%

August 15, 1979 0015 Hrs. - Reduced power for TSVT 0035 Hrs. - Comenced test at 90%

0045 Hrs. - Completed TSVT, commenced backwash 0143 Hrs. - Completed backwash 0145 Hrs. - Increased power 0205 Hrs. - Reactor power at 100%

0515 Hrs. - Reduced power for main condenser tube maintenance 1030 Hrs. - Completed tube plugging, increased reactor power 2400 Hrs. - Reactor power at 85%

August 16, 1979: 0630 Hrs. - Reactor power at 100%

8Y'dii?

Page 2 of 2 OPERATING HISTORY (Cont'd)

August 19, 1979:

1015 Hrs. - Reduced reactor power for testing of the Electric Pressure Regulator 1600 Hrs. - EPR testing completed, increased power 2310 Hrs. - Reactor power at 100%

August 28, 1979: 2355 Hrs. - Reduced power to 90% for TSVT August 29, 1979: 0025 Hrs. - Completed TSVT 0030 Hrs. - Backwashing main condenser 0100 Hrs. - Completed backwashing, increased power 0130 Hrs. - Reactor power at 100%

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$[d.i.' t3 I

REFUELING INFORf% TION REQUEST 1.

Name of facility:

Millstone 1 2.

Scheduled date for next refueling shutdown:

Fall 1980 3.

Scheduled date for restart following refueling:

Late Fall 1980 4.

Will refueling or resumption of operation thereafter require a technical specification change or other license amendment?

Yes. Technical Specification chances regardino:

(1) Maximum average planar linear heat generating rate (2) Minimum criti cal power ratio 5.

Scheduled date(s) for submitting proposed licensing action and supporting information :

Summer 1980 6.

Important licensing considerations associated with refueling, e.g., new or different fuel design or supplier, unreviewed design or performance analysis methods, significant changes in fuel design, new operating procedures:

Aco'roximately 175 " Retrofit" 8 x 8 fuel assemblies arn schodolod fnr tha upcomina fuel cycle.

7.

The number of fuel assemblies (a) in the core and (b) in the spent fuel storage pool :

(a) In Core:

399 (b) In SFP:

958 8.

The present licensed spent fuel pool storage capacity and the size of any in-crease in licensed storage capacity that has been requested or is planned, in number of fuel assemblies:

2184 assem611es 9.

The projected date of the last refueling that can be discharged to the spent fuel pool assuming the present licensed capacity:

1986 RHY:rmj S6:149

'