ML20149F807

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Monthly Operating Rept for Dec 1987
ML20149F807
Person / Time
Site: Millstone 
Issue date: 12/31/1987
From: Gibson J, Scace S
NORTHEAST NUCLEAR ENERGY CO., NORTHEAST UTILITIES
To:
NRC OFFICE OF ADMINISTRATION & RESOURCES MANAGEMENT (ARM)
References
MP-11333, NUDOCS 8801140349
Download: ML20149F807 (4)


Text

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OPERATING DATA REPORT-DOCKET N0. 50-336 DATE 1/7/88 COMPLETED BY J. Gibson-TELEPHONE (203) 447-1791-Extension 4431' OPERATING STATUS 1.

l Unit Name: Millstone Unit 2 l Notes: Items 21 and 22

.l 2.

Reporting Period: December, 1987 l cumulative are weighted.

l' 3.

Licensed Thermal Power (MWt): 2700 l averages. - Unit operated l

4.

Nameplate Rating (Gross MWe): 909 lat 2560 MW Thermal prior l

S.

Design Electrical Rating (Net MWe):'870 Ito its uprating-to the l

6.

Maximum Dependable Capacity-(Gross MWe):888.75l current 2700 MWTH power l_

7.

Maximum Dependable Capacity (Net MWe): 857.25-l level

-1 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 MWe):

N/A 10.

Reasons For Restrictions, If Any:

N/A This Month Yr.-to-Date

. Cumulative 11.

Hours In Reporting Period 744 8,760 105,336-12.

Number Of Hours Reactor Was Critical 722.5 8,242 77,380.3 13.

Reactor Reserve Shutdown Hours 0

0 2,205.5 14.

Hours Generator On-Line 720.8 8,180.1 73,253 15.

Unit Reserve Shutdown Hours 0

0 468.2 16.

Gross Thermal Energy Generated (MWH) 1,879,773 21,767,398 204,562,262 17.

Gross Elec. Energy Generated (MWH) 612,900 7,154,100-60,871,579 18.

Net Electrical Energy Generated-(MWH) 590,443 6,892,531 58,676,538 19.

Unit Service Factor 96.9 93.4 69.5 20.

Unit Availability Factor 96.9 93.4=

70.0 21.

Unit Capacity Factor (Using MDC Net) 92.6 91.8 65.4 22.

Unit Capacity Factor (Using DER Net) 91.2 90.4 64.4 23.

Unit Forced Outage Rate 0.0 6.4 15.2 24.

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

Currently in E0C 8 Refueling and Maintenance outage: -12/31/87: Duration approximately 8 weeks 25.

If Shut Down At End Of Report Period, Estimated Date of Startup: March, J38 26.

Units In Test Status (Prior to Commercial' Operation):

Forecast Achieved INITIAL CRITICALITY N/A N/A INITIAL ELECTRICITY N/A N/A COMMERCIAL OPERATION N/A N/A 8801140349 871231 I

PDR ADOCK 05000336

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AVERAGE DAILY UNIT POWER LEVEL, DOCKET NO. 50-336 UNIT Millstone 2 DATE 1/7/88 COMPLETED BY J.'Gibson TELEPHONE (203) 447-1791 Extension 4431-MONTH OECEMBER, 1987 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net)

(MWe-Net) 1 855 17 827 2

854 18 822 3

853 19 814 4

853 20 812 5

853 21 806 6

852 22 802 7

852 23 797 8

853 24 793 9

854 25 788 t

{

10 855 26 784 l

11 855 27-780 12 851 28 775 13 846 29 770 t

14 842 30 705 15 837 31 0

16 832 INSTRUCTIONS On this format, list the-average daily unit power level in HWe-Net for each~ day l

in the reporU ng month.

Compute to the nearest whole megawatt.

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DOCKET.NO. 50-336 UNIT SHUTDOWNS AND POWER REDUCTIONS UNIT NAME Millston 2 DATE 1/7/88-COMPLETED BY J. Gibson REPORT MONTH DECEMBER, 1987 TELEPHONE-(203) 447-1791 Extension 4431 l Duration Reason 2 Method of Licensee System Component Cause & Corrective l

No.

Date Type l

(Hours)

Shutting Event Code 4 Code 5 Action to Down Reactor 3 Report #

Prevent Recurrence i

8 12/31/87 S

23.2 C

1 N/A N/A N/A Unit currently-in E0C 8 refueling outage 1

2 3

4 F:

Forced Reason:

Method:

Exhibit G - Instructions-5:

Scheduled A-Equipment Failure (Explain).

1-Manual.

for Preparation of Data

. B-Maintenance or Test 2-Manual Scram Entry Sheets for Licensee.

C-Refueling 3-Automatic Scram Event Report (LER) File D-Regulatory Restriction 4-Continued from (NUREG-0161)

E-Operator Training & License Examination previous month F-Administrative 5-Power Reduction. s G-Operational Error (Explain)

(Duration =.0)

Exhibit 1 - Same Source H-Other (Explain) 6-Other (Explain)

_. = _ _

REFUELING INFORMATION REQUEST 1.

Name of facility:

Millstone 2 2.

Scheauled date for next refueling shutdown:

Currently in E0C 8 refueling outage 3.

Schedule date for restart following refueling: March, 1988 4.

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

None at this time 5.

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

None at this time 6.

Important licensing considerations associated with refueling, e.g.,

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

None 7.

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

(a) In Core: (a) 217 (b) 512 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 1277 9.

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

1994, Spent Fuel Pool Full Core off load capacity is reached 1998, Core Full, Spent Fuel Pool Full 2009, Spent Fuel Pool, Full Core off load capacity is reached-contingent upon license approval to store consolidated fuel.

l

UTILITIES cenerai Offices. seiden street. Berlin, Connecticut 1

sYd EsYaNcUu5.

P.O. 00X 270

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HARTFORD, CONNECTICUT 06141-o270 N((Y.5[1Y2,"~.

(203) 665-5000 k

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January 8, 1988 MP-11333 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:

This letter is forwarded to provide the report of operating and shutdown experience relating to Millstone Unit 2 Monthly Operating Report 87-12 in accordance with Appendix A Technical Specifications, Section 6.9.1.3.

One additional copy of the report is enclosed.

Very truly yours, NORTHEAST NUCLEAR ENERGY COMPANY h $W dtD Ste hen E. Scace Station Superintendent Millstone Nuclear Power Station SES/GN:1fg cc:

W.T. Russell, Region I Administrator D.H. Jaffe, NRC Project Manager, Millstone Unit No. 2 W.J. Raymond, Senior Resident Inspector, Millstone Unit Nos. 1, 2 & 3

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