ML20097E713

Monthly Operating Rept for May 1992 for Millstone,Unit 2

ML20097E713
Person / Time
Site:	Millstone
Issue date:	05/31/1992
From:	Neron G, Scace S NORTHEAST NUCLEAR ENERGY CO., NORTHEAST UTILITIES
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
MP-92-617, NUDOCS 9206120330
Download: ML20097E713 (5)

Text

c

-g-

• NORTHEAST UTILITIES y

.u._,-.~_

]

= :== -  %

g , .w . n ,. ~ ,a

. ww ur= ,ww c<wu.

June 10, 1992 MP-92-617 Re: 10CFR50.71(a)

U.S. Nuclear Regulatory Commission Document Control Desk Washington, D. C. 20555

Reference:

Facility Operating License No. DPR-65 Docket No. 50-336

Dear Sir:

4 -

This letter is forwarded to provide the report of operating and shutdown experience relating to Millstone Unit 2 for the month of May, 1992, in accordance with Appendix A Technical Specifications, Section 6.9.1.6. One additional copy of the report is enclosed.

Very truly yours, NORTHEAST NUCLEAR ENERGY COMPANY r

l'h rase-Stephdn E. Scace Station Director Millstone Nuclear Power Station SES/GN cc: T.'T. Martin, Region I Administrator G. S. Vissing, NRC Project Manager, M111 scone Unit No. 2 W. J. Raymond, Senior Resident Inspector, Millstone Unit Nos. 1,'2 & 3

/'

nb 9206120330-920531 [U,/ I $

PDR ADOCK 05000336-

$7,*

• R PDR /

.. . .. . . . .. . ~ . - - _ ~ . -

4 OPERATING DATA' REPORT DOCKET NO. 50-336 DATE 06/05/92 COMPLETED BY Gi Neron TELEPHONE (203) 444-5517 EXT, 5517 OPERATING STATUS Notes: Items 21 and 22

- 1. Unit Name: Millstone-Unit 2 cumulative are weighted

2. Reporting Period: May 1992 averages. Unit operated -

3. Licensed Thermal Power (MWt): 2700 at 2560 MWTH prior to its

4. . Nameplate Rating-(Gross MWe): _ . 909 uprating to the current-

,5.. Design Electrical Rating (Net'MWe): 870 2700 MWTH power level.

6. Maximum Dependable-Capacity (Gross MWe): 903.10

7. . Maximum Dependable _ Capacity (Not MWe): 873.10

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

Give Reasons:

N/A

9. Power' Level- To Which Restricted, If any (Net .4We): ,

N/A

-10.-Reasons ForlRestrictior,s, If'Any: N/A This Month- Yr.-To Date Cumulative

11. HoursLIn Reporting Period 744 Q 3647.0 144047.0

12. Number 0f Hours Reactor.Was Critical 697.1 3204.Q 105257.6 13.. Reactor Reserve Shutdown Houra 0.0- 0.0 2205.5

14.: Hours Generator On Line 694.8 3188.6 100357.4

-15. Unit Reserve Shutdown Hours 0.0 0.0 468.2 116.. Gross-Thermal Energy Generated (MWH) 1872406.0 8506218.0 276028682.4

17. Gross Electrical Energy Generated (MWH)- -618553.5 2827636.5 84404307.5 18; Net Electrical Energy Generated (MWH) 596846.3 2725017.3 80970795.3-

19. Unit Service Factor. .

93.4 87.4 69.7

20. Unit Availald.lity Factor .

93.4 87.4 70.0

21. Unit Capacity Factor (Using MDC. Net , 91.9 85.6 65.5 22.' Unit Capacity Factor (Using DER Net) 92.2 __

85.9 64.3 23 Unit. Forced Outage Rate 0.0 11.4 15.4

24. Shutdowns Scheduled Over-Next 6 Months (Type, Date, and Duration of Each): The Unit shutdown from 10Q3_p2wer on May 29. 1992. for Refueline. Maintenance and Steam Gener-ator Reclacement. Duration - 144 days.

425. If Unit Shutdown -At End Of Report Period, Estimated Date of Startup: October.-1992

~

g 26.; Units In Tesc Otatus-(Prior to Commercial Operation):

Forecast Achieved-INITIAL CRITICALITY N/A N/A INITIAL ELECTRICITY N/A _ N/A COMMERCIAL OPERATION N/A N/A l

l-

- --_ _ m .

AVERACE DAILY UNIT POWER LEVEL DOCKET NO. 50-336 UNIT: Millstone Unit 2 DATE: 06/05/92 COMPLETED BY: C. Neron TELEPHONE: (203) 444-5517 EXT: 5517 MONTH: MAY 1992 DAY; AVG. DAILY POWER LEVEL DAY AVG. DAILY POWER LEVEL (MWe-Net) (MVe-Net) 1 863 17 865 2- 863 18 864 3 864 19 864 4 863 20 864 5- 864 21 862

'6- 865 22 858 7 865 23 856 8 865 24 856 9 865 25 857 10 __

865 26 857 11 864 27 857 12- __ 864 28 854 13 864 29 764-

-14 864 __ 30 0 15- 865 31 0 116 865 INSTRUCTIONS (ht this format, list the average daily unit power level in MVe-Net for each

' day in the reporting wonth. Compute to the nearest whole megawatt.

L I

DOCKET NO. 50-336' W UNIT SHUTDOWNS AND_ POWER REDUCTIONS. UNIT NAME Millstone 2 ,,,_,"

'DATE~ 06/05/92' ' +

' COMPLETED BY G. Neron TELEPHONE (203) 444-5517_

REPORT MONTH MAY 1992 . EXT. 5517 No. Date Typel' ' Duration Reason 2  ; Method of -License Systgn Compgnent Cause & Corrective (Hours) Shutting' Event Code Code - Action to Down Reactor 3 Report # Prevent Recurrence 03 .920529 S 49 2 C l' N/A N/A N/A The Unit was shutdown from 100% power on May 29, 1992, for ' ie fueling, replacement of the steam-generators and mainten-ance.

l i,

~

1:

F Forced 2 Reason: 3Method ' Exhibit G - Instructions S: Scheduled A-Equipment Failure (Explain) 1-Manual for Preparation of Data B-Maintenance or Test 2-Manual Scram Entry Sheets for License C-Refueling 3-Automatic Scraa Event Report (LER) File.

D-Regulatory Restriction 4-Continued from (NUREG-0161)

E-Operator Training & License Examination Frevious month S

F-Administrative 5-Power Reduction Exhibit , -Same Source G-Operational Error (Explain) (Duration -0)

H- Other (Explain) 6-Other (Explain)-

r i , .-

REFUELING INFORMATION REOUEST

~

l

1. Name of facility: Millstone 2

2. Scheduled date for next cofueling shutdown: Currently in the EDC 11 Refueling 2 Maintenance and Steam Generator Replacement Q11taae .

3. Scheduled date for restart following refueling: October, 1992

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

YES

5. Scheduled date(s) for submitting licensing action and support 3ng '

information:

None at this time.

6. Important licensing considerations associated with .efueling, e.g.,

new or different fuel design or supplier, unreviuwed design or performance analysis methods, significant changes in fuel design, new operating procedures:

Ell:. stone 2 will be replacina the Steam Generator sub-assemblies dgrana the upcomina End of. Cycle 11 refuelina outace. It is antacipat2.d this will be accomplished under 10CFR 50.59.

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

In Core: (a) 217 In Spent Fuel Pool: (b) 712 -

NOTE: These numbers represent the total fuel assemblies and consol-idaggd fuel storace boxes in these two (2) Item Control Areas

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:

Currently 1237

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

1994. Spent Fue: Pool Full. core off load capacity is reached (with

-cut consolidat:Loni.

1998. Core Full. Spent Fuel Pool Full 2009. Spent fuel Pool Full, core off load capacity is reached-cont.inaent upon full scale _;torace of consolidated fuel in the Spent Fuel Pool. __

_ _ _ _ _ - _ _ _ - _ . _ __ _ _ _ _ - - _ _ _ _ _ _ _ - _ _ _ - _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ - _ _ _ _ _ _ _ _ _ _ _ ___