ML20067E569

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Monthly Operating Rept for Jan 1991 for Millstone Nuclear Power Station Unit 3
ML20067E569
Person / Time
Site: Millstone Dominion icon.png
Issue date: 01/31/1991
From: Elms A
NORTHEAST NUCLEAR ENERGY CO.
To:
Shared Package
ML20067E549 List:
References
NUDOCS 9102150141
Download: ML20067E569 (3)


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""*" NRC OPERATING STATUS RLPORT CaMPLETED ST REACTOR ENGINEERING **""*

1.

DOCKET.... 50 423 QPERATING STATUS 2.

REPORTING PERIOD... JANUARY 1991 SJTAGE

  • ONLINE MER$..199.1
  • 554.9 e 764.0 3.

UT I L I TY CON T ACT................. A. L. ELMS 203 444 534E l

4 L I CE N SED T HE RMAL P0WE R......................................... 3411

  • NILtsTONE
  • 5.

hAME PL A T E RAT I NG ( GR oss MWE )................................... 1,25 3 MW

  • UNIT 3 6.

DE S I GN E LECTR I CA L RAT I NG (NE T MWE )............................. 1,1 $3.6 i

7.

MAXINLM D:R-

  • RLE CAPAC I T Y (GROSS MWE )........................ 1,184.2 8.

MAXIMLM ( w : f CAP AC I T T ( NE T MWE ).......................... 1,13 7.0 9.

IF CHANGES V i A80VE SINCE LAlf REPORT, REASONS ARE...........

N/A

10. POWER LEVEL TO WICH At$f RICTED, lF ANT (NET MWE)...............k/A
11. REASON FOR RESTRICTION, IF ANT....N/A MOW 1H TEAR TO DATE CLMULAflVE TO DATE enau.neus.n' anos een nesen
12. NOURS IN REPORTING PEkl0D 744.0 744.0 41,880.0-
13. m.MBER OF WOURS THE REACTOR WAS CRITICAL 574.6 574.6 34,159.7-i
14. REACTOR RESERVE $NUTDOWN NOURS 169.4 169.4 1,698.3
15. NOUR$ GENERATOR ONLINE 554.9 554.9 33,520.4
16. UNIT RESERVE SMUTDOWN NOUR$

0.0 0.0 0.0

17. Gross THERNAL ENERGY GENERATED (NWN) 1,384,282.0 1,384,282.0 109449094.0
18. Gross ELECTRICAL ENERGY GENERATED ( M )

456,486.0 456,446,0 37,765,462.5

19. NET ELECTRICAL ENERGY GENERATED (MWN) 426,453.0 426,453.0 36,000,062.5
20. UNIT SERVICE FACTOR 74.6 74.6 80.0
21. UNIT AVAILAtiLITY FACTOR 74.6 74.6 80.0
22. UNIT CAPACITY FACTOR (U$1NG mc NET) 50.4 50.4 75.4
23. UNIT CAPACITY FACTOR (U$1NG DER NET) 49.7 49.7 74.5
24. Latif FORCED QUTAGE RATE 25.4 25.4 10.1-j.
25. UNI.T FORCED OUTAGE HOUR $

189.1 189.1 3,767.6

$NUTDOWW$ SCHEDULED OVER NEXT $1X MONTNS (TTPE, DATE, AND DURAfl0N OF EACN)..............

N/A IF CURRENTLY $NUTDOWN, ElflMATED STARTUP DATE...... March 21, 1991 i

l 9102150141 910211 PDR ADOCK 05000423 g

FDR

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DOCKET NO. 50-423 UNIT SHUTDOWNS AND POWER REDUCTIONS UNIT NAME MILL:f.:oNE 3 DATE 2-7-91 COMPLETED BY A.

EIJtS TELEPHONE (203) 444-5388 No.

Date e

Dura-Reason Method of Licensee System Component Cause and Corrective

(

tion (2)

Shut down Es.ent Code Code Action to Prevent Hours Reactor (3)

Rept No.

Prevent Recurrence 93-13 12-31-90 F

189.1 A

2 90-030-00 SB LCV Manually tripped reactor due to two ruptured mois-tur9 seperatgr reheater drain tank pipes. The cause of the break was single phase erosign/

corrogion. Correctlye ac-tion 4ncluded removing the pipes fr9m servicg by capping, adding the pipe to the erosign/ corrosion program and investigating why the pipes wer9 not already included in the program.

i 1: F: Forced 2: Reasons:

3: Method 4: Exhibit G - Instructions S: Scheduled A-Equipment Failure (Explain) 1-Manual for Preparation of Data B-Maintenance or Test 2-Manual 9 cram Ent a Sneets for Licensee C-Refueling 3-Automatle Scram Event Report (LER) File D-Regulatory R9striction 4-Continued from (NUREG-Ol61)

E-Operator Training & License Exam 5 previous month

.F-Adminigtrative Power Reduction 5: Exhibit 1 - Same Source G-Operational Error (Explain)

(Duration = 0 9-Other (Explain))

H-Other

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REFUELING INFORMATION REOUEST January 1991 1.

Name of facility: Millstone 3.

2.

Scheduled date for next refueling shutdown: February 1.1991 (currently in refuell 3.

Scheduled date for restart following refueling: March 21.1991 4.

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

As a result of the new fuel desien, Technical Specifications chances to the Axial Flux Difference. Heat Flux Hot Channel Factor and Refueline Water Storane Tank sec-tions will be recuired. Furthermore. the Fuel Storace section of Desien features wil D.Lghanced to allow continued recionalized storaire of spent fuelin the spent fue ;

ocol. Also. the Instrumentation section will be changed to reflect a new High Flux at Shutdown setpoint.

5.

Scheduled date for submitting licensing action and supporting information.

. All Technical Specification chances submitted.

6.

Important licensin considerations associated with refueling, e.g., new or different fuel design or sup ier, unreviewed design of performance analysis methods, signifi-cant changes in fu design, new operating procedures:

Cvele 4 fuel assemblies will be of the Westinchouse Vantace SH desien. This desien includes debris filter bottom nozzles. intermediate flow mixinc crids. intecral fuel rod burnable absorbers. and axial blankets.

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7.

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

(a): 122 (b): 2.48 4

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:

Present size 756.

No increase requested.

9.

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

End of cycle 5.

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