ML20064H032

Monthly Oper Rept for Nov 1978

ML20064H032
Person / Time
Site:	Millstone
Issue date:	12/05/1978
From:	Howlett G NORTHEAST UTILITIES
To:
Shared Package
ML20064H028	List: ML20064H026 ML20064H032
References
NUDOCS 7812150308
Download: ML20064H032 (5)

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s OPERATING DATA REPORT  ;

t DOCKET NO. 50-336 r DATE 12/1/78 COMPLETED BY G.H. Howlett III ,

TELEPHONE 201/447-1791 X364 ,

OPERATING STATUS {

Notes

l. Unit Name: Millstone 2

2. Reporting Period: November 1978 g 1

3. Licensed Thermal Power (MWt): 2560

4. Nameplate Rating (Gross MWel:

909 030 '

5. Design Electrical Rating (Net MWe):

6. Maximum Dependable Capacity (Gross MWe): 842 .

7. Maximum Dependable Capacity (Net MWe):

810 1

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

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l NONE

9. Power Level To Which Restricted,If Any (Net MWe): NONF

10. Reasons For Restrictions.lf Any: NONE I

J . This Month Yr.-to Dwe Cumulative ,

I1. Ilours In Reporting Period 720 8016 x vna 720 5321.5 3g;743_7

12. Number Of Hours Reactor Was Critical 0 120.0 2;000.'7

13. Reactor Reserve Shutdown Hours 720 5013.6 17,687.7

14. Ilours Generator On.Line 0 133.5 226

15. Unit Reserve Shutdown Hours

16. Gross Thermal Energy Generated (MWH) 1.839.813 12.474.183 41.981.257 .

17. Gross Electrical Energy Generated (MWH) 602,300 . . 4.073,290 13.404.201

18. Net Electrical Energy Generated (MWH) 580.321 3.898.572 12.814.884 '

19. Unit Service Factor 100 62.5 68.8

20. Unit Availability Factor 100 64.2 69.7

21. Unit Capacity Factor (Using MDC Neti 99.5 60.0 61 .6

22. Unit Capacity Factor (Using DER Net) 97.1 58.6 60.1 -

23. Unit Forced Outage Rate 0 29.1 25.1 2

24. ShutdownsScheduled Over Next 6 Months (Type.Date and Duration of Eacht: .

Refueling, March 24, 1979. 10 weeks l

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

26. Units in Test Status (Prior to Commercial Operationi: Forecas Achiesed I INITIAL CRITICA LITY N/A N/A INITIA L ELECTRICITY N/A N/A ,

COM\tERCIAL OPER ATION N/A N/A

. 781215030g (4/77)

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• AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-336 UNIT Milletnna ?

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.- 2 DATE 12/5/78

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- - C, . . COMPLETED BY G.H. Howlett III

_,'**, , $; TELEPHONE 203/447-1791 X364

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MONTH November 1978 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL i MWe-Net) (MWe-Net) i 807 809 37 2 799 is 809 3 807 39 784 4 798 :o 809

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5 807 21 808 .

6 808 ,2 808 7 808 23 809 3 807 24 809

, 807 809 25 to 807 26 809

807 ,7 808 12 on7 23 809 13 807 29 810 34 807 3g 809 15 808 3, 16 808 INSTRUCTIONS On this format.hst the average daily unit power leselin MWe Net for each day in the reporting month. Compute to the nearest whote megawatt.

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Docket No. 50-336 Date: Decemoer 8, 1978 Completed By: G.H. Howlett III Telephone: 203/447-1971 X364 REFUELING INFCRMATION REQUEST g ,

1. Name of facility: Millstone 2

2. Scheduled date for next refueling shutdown: March 24, 1979

>. 3. Schedule date for restart following refueling: May 19, 1979

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

Because the Spring, 1979 refueling will be only the second at Millstone Unit No. 2. , Technical Specification Changes are anticipated, especially in the area of reactor engineering specifications. Inspections of the CEA guide tubes and the steam generators are scheduled for the second refueling outage; the results of these inspections may ultimately involve a license amendment. Review of the reload design is scheduled for January, 1979.

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

Proposed licensing action is tentatively scheduled to be submitted on or about February,1979.

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:

Serious consideration has been given to uprate the thermal output for cycle 3 from 2560 MWT to 2700 MWT. Further schedular details will be forwarded as they developed.

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

(a) In Core: 217 (b) 72

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

667

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

1983. Spent Fuel Pool, full core off load capability is reached.

1986, Core Full, Spent Fuel Pool contains 648 bundles.

Docket No. 50-336 Page I of I Date December 5. 1978 Unit Name Millstone 2 Completed By G.II. Howlett III Telephone 203/447-1791 X364 CORRECTIVE MAINTENANCE

SUMMARY

FOR SAFETY RELATED EQUIPMENT Report Month October 1978 OATE SYSTEM COMPONENT MAINTENANCE ACTION 10/3/78 Process & area radiation Photomultiplier tube RM 8156 Replaced tube and recalibrated.

monitoring 10/4/78 Chemical and Volume Heat tracing ckt. S-15 Replaced failed thermistor Control 10/10/78 Chemical & Volume Heat Tracing ckt. P7 & S7 Relocated thermalcouples and thermistors.

Control 10/16/78 Chemical & Volume lleat Tracing ckt. 57 Replaced two shorted circuits.

Control 10/18/78 Service Water Heat Exchangers X 181 A,B, & C Replace leaking heads.

i 10/21/78 Chemical & Volume Control Charging pump P-18C Repacked pump 10/24/78 Chemical & Volume Charging pump P-18B Repacked pump.

Control 10/27/78 Chemical & Volume Control Heat Tracing ckt. P-28 Replaced cable section.

10/31/78 Chemical & Volume Heat Tracing ckt. S-28 Repalced cable section.

Control 1

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