ML20133H672

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Monthly Operating Rept for May 1985
ML20133H672
Person / Time
Site: Haddam Neck File:Connecticut Yankee Atomic Power Co icon.png
Issue date: 05/31/1985
From: Dean C, Graves R
CONNECTICUT YANKEE ATOMIC POWER CO.
To:
NRC OFFICE OF RESOURCE MANAGEMENT (ORM)
References
NUDOCS 8508090450
Download: ML20133H672 (10)


Text

CONNECTICUT YANKEE ATOMIC POWER COMPANY HADDAM NECK PLANT HADDAM, CONNECTICUT MONTHLY OPERATING REPORT NO. 85-05 FOR THE MONTH OF MAY 1985 0508090450 850531 PDR (

ADOCK 05000213 R PDR

PLANT OPERATIONS On May 3, 1985, at 2355 hours0.0273 days <br />0.654 hours <br />0.00389 weeks <br />8.960775e-4 months <br />, the unit commenced a load reduction to 400 Mwe to conduct a routine turbine control valve test. The test was completed at 0338 hours0.00391 days <br />0.0939 hours <br />5.588624e-4 weeks <br />1.28609e-4 months <br /> on May 4, 1985, and the plant returned to full power at 0745 hours0.00862 days <br />0.207 hours <br />0.00123 weeks <br />2.834725e-4 months <br />.

On May 16, 1985, at 0638 hours0.00738 days <br />0.177 hours <br />0.00105 weeks <br />2.42759e-4 months <br />, a manual trip was initiated because two control rods dropped into the reactor core. Subsequent troubleshooting failed to reveal the exact cause of the failure. A post-trip review was completed and the unit started a critical approach at 1835 hours0.0212 days <br />0.51 hours <br />0.00303 weeks <br />6.982175e-4 months <br />. A turbine trip occurred at 2208 hours0.0256 days <br />0.613 hours <br />0.00365 weeks <br />8.40144e-4 months <br />, due to generator over excitation.

The plant phased on line on May 17, 1985, at 0302 hours0.0035 days <br />0.0839 hours <br />4.993386e-4 weeks <br />1.14911e-4 months <br />. After chemistry holds at 5 percent power at 0320 hours0.0037 days <br />0.0889 hours <br />5.291005e-4 weeks <br />1.2176e-4 months <br /> and 25 percent power at 1630 hours0.0189 days <br />0.453 hours <br />0.0027 weeks <br />6.20215e-4 months <br />, the plant reached 100 percent power on May 18, 1985, at 2200 hours0.0255 days <br />0.611 hours <br />0.00364 weeks <br />8.371e-4 months <br />, i

SYSTEM EFFECT 03 CORRECTIVE ACTION SPECIAL PRECAUTIGh MAY 1985 TAKE14 TO PREVE14T TAKE11 TO PROVIDE OR MALFUNCTION SAFE CAUSE RESU LT OPERATIOff REPETITIOM FOR REACTOR SAFETY COMPONENT DURING REPAIR -

P-18-A Charging l ump Broken shaft. Loss of pump. Only one centrifugal Pump rebuilt; failure Pump repaired charging pump available, under investigation. within 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br />.

EG-2B - Emergency Loose tube East side air Possible loss of diesel Fitting repaired. To Diesel Generator fitting on start motors if west side starters insure fittings are air start would not also failed. made up properly, special NONE system. function gauges are on order, during tdst. Training on their use to follow.

INSTRUFENTATION & CONTROL MAY 1985 EFFECT ON CORRECTIVE ACTION SPECIAL PRECAUTION SYSTM MAI. FUNCTION SAFE TAREM TO PREVENT TA:EN TO PROVIDC OR CAUSE RESULT OPERATION REPETITION FOR REACTOR SAFET)

COMPONENT DURING REPATR -

No reportable items for the month of May.

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CONNECTICUT TANKtt REACTOR COOLANT DATA MONTH: MAY 1985 MINIMUM AVERAGE MAXIMUM REACTOR ~C00EANT ANAEYSIS PH E 25 DEGREES C  : 6.34E+00 : 6.58E+00 : 6.73E+00 :

6 64E+00 3 Y.0VEtOO I 1.ZOtt01 i CONDUCTIVITY (UMHOS/CM)

CHLORIDES (PPM)  : <5.00E-02 : <5.00E-02 : <5.00E-02 :

DISSOLVED OXYGEN (PPB)  : <5.00E+00 : <5.00E+00 : <5.00E+00 :

FOROCTPPH)  : 4 W ET02 1 4.72E+02 3 6 4BEfDTI LITHIUM (PPM)  : 5.53E-01 : 8.28E-01 : 1.02E+00 :

TOTAL GAMMA ACT. (UC/ML)  : 1.51E-01 6.38E-01 : 1.36E+00 :

2 30E-03 i Y.D6t-04 3 1 9/L-U1 ;

IODINE-131 ACT. (UC/ML) i 1.71E+01 :

I-131/I-133 RATIO  : 9.30E-01 : 2.27E+00 :

CRUD (MG/ LITER)  : <1.00E-02 : <1.00E-02 : <1.00E-02

--~TRYTIUCTUC7HO :iT33ETUO I IT72E+00 i z.42ETUD 3

2.97E+01 : 3.29E+01 : 3.61E+01 :

HYDROGEN (CC/KG) o0...................................................................

- ~ -

~ -~

-AERATED L'IOUID WASTE ~ PROCESSED (GALLONS): 6T60E+04-WASTE LIDUID PROCESSED THROUGH BORON RECOVERY (GALLONS):

7.50E+04 AVERAGE PRIMARY LEAK RATE (GALLONS PER MINUTE): 1 84E+00 U.UUttUU l PRIMARY TO SECONDARY LEAN RATE (UALLUNS PLM MINUILJi

, 1 9

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00000c* NRC OPE RAT ING S T ATUS CEPURT COMPLE TED 6Y RE ACTOR ENGINEE RIhG *** ****

1. DOCKE T....53-213 O P E'R A TI NG STA TUS ,
2. REPORTING PE410D...MAY 1945 OUTAGE + ONLINE HDURS.. 20 4
  • 723.6 = 744
3. U T I L I T Y C OM T4 C T . . . . . . . . . . . . . . . . J . P. DRAGO (203) 267-2556 EXT 452 seese****o****essessee
4. LICENSED T H E R M A L P 0 WE R . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 2 5
5. NAMEPL ATE R ATING IGROSS MWEl ................ 667 x 0.9 a 600.3 e HADOAM NECK PLANT e
6. DESIGN ELECitICAL RATING (MET MWEl....................... 582 **********o**********e
7. MAXIMUM DEPE4DABLE CAPACITY (CROSS MWEl................. 595.8
8. MAXIMUM DEPE4DABLL CAPACITY INET MWEl.................... 569
9. IF CHANGES DCCUR ABOVE SINCE LAST REPORT, REASONS ARE......N/A
10. POWER LEVEL TO WHICH RESTRICTED. IF ANY I N E T M W E l . .. .. . ... .N/ A
11. REASON FOR RESTRICTION. IF ANY.............................N/A MONTH YR. TO DATE CUMULATIVE TO DATE
12. HOURS I4 REP]RTING PERIOD 744.0 3623.0 152663.0 e g 13. NUMBER OF HOURS THE RE ACT04 WAS CRITICAL 730.9 3589.8 131305.9 e
14. REACTOR RESERVE SHUTDOWN HOURS 0.0 0.0 1264.0 e
15. HOURS GENERATOR ONLI1E 723.6 3566.2 125770 7 e
16. UNIT RESERVE SHUT 00d4 HOURS 0.0 0.0 373.7 5
17. GROSS THERM AL ENERGY GENERATED IMWHI 1265872.0 62T5863.0 218463046.0
18. GROSS ELECTMIC AL ENERGY GENER ATED (MWHI 413620.0 2086387.0 71745535.0
19. NET ELECTd! CAL ENERGY GENER ATED (MWHI 393931 0 1989372.6 68250437 7
20. UNIT SERVICE F ACTOR 9T.3 , , 98 4 82 4 e
21. U4ti AVAILABILITY FACIOR 97.3 98 4 82.6 e

, 22. UNIT CAPACITY FACTOR (USING MDC NETS 93.1 96.5 82.2 *

23. UNI T C AP ACI Tf FACTOR tuSING DER NETI 91.0 94.3 76.9 e
24. UNIT FORCEO OUTACE RATE 2.7 1.6 5.8 *
25. UNIT FORCED 30TAGE HOURS 20 4 56.8 7762 9
  • eSINCE COMMERCIAL OPERATION 1/1/68 -

SHUID0dNS SCHEDULED DVER NEXT SIX MONTHS I TYPE, DATE ANO DUR ATION OF E ACHl............. N/A

(

IF CURRENTLY SHUTDOWN, ESTIMATED STARTUP DATE.................... N/A L

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AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-213 Conn. Yankee UNIT Haddam Neck DATE June 15, 1985 COMPLETED BY C. B. Dean TELEPHONE (203) 267-2556 MONTH: MAY 1985 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net) (MWe-Net) 1 580 17 57 2 579 254 18 3 579 19 570 4 579 20 571 5

535 21 571 6

579 22 571 580 570 7 23 580 568 8 24 579 567 9 25 565 10 26 577 562 11 27 g 574 559 28 13 29 569 30 571 560 15 31 158 16

. INSTRUCTIONS On this format, list the average daily unit power level in MWe-Net for each day in the reporting month. Complete the nearest whole megawatt.

(9/77)

UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO. 50-213 UNIT NAME Conn. Yankee .

DATE June 15. 1985 COMPLETED BY C. B. Dean REPORT MONTH MAY 1985 TELEPHONE (203)267-2556 u o em o2 m C $

No. Date om m y y LER ge Cause & Corrective g g4 e u :s o ,8 j y RPT. oo Action to h h o O' Prevent Recurrence 85-04 05-16-85 F 20 hours2.314815e-4 days <br />0.00556 hours <br />3.306878e-5 weeks <br />7.61e-6 months <br /> A 2 85-011 RB CONROD Occurrence not related 24 minutes -00 to any failed component or repeatable action.

Immediate troubleshootiny failed to determine the exact cause of the failure. Vendyr specialists analyzing failure.

s 1 2 3 4 F Forced Reason: Method: Exhibit G-Instructions S Scheduled A-Equipment Failure (Explain) H-Other(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-Other(Explain) (NUREG-0161)

E-Operator Training & License Examination F-Administrative 5 G-Operational Error (Explain) Exhibit 1 Same Source

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REFUELING INFORMATION REQUEST

1. Name of fecility Connecticut Yankee Atomic Power Company
2. Scheduled date for next refueling shutdown.

January 4, 1986

3. Scheduled date for restart following refueling.

March 1, 1986

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

NO (b) If answer is yes, what, in general, will these be?

N/A (c) If answer is no, has the reload fuel design and core configuration been reviewed by your Plant Safety Review Committee to determine whether any unreviewed safety questions are associated with the core reload (Ref. 10 CFR Section 50.59)?

Core reload design in progress.

(d) If no such review has taken place, when is it scheduled?

N/A -

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

N/A

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.

NO

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

(a) 157 (b) 545 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.

1168

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

1994 to 1995

O CONNECTICUT YANKEE ATO MIC POWER COMPANY HADDAM NECK PLANT HR#1 e BOX 127E e EAST HAMPTON, CONN.06424 June 15, 1985 Docket No. 50-213 Director, Office of Management Information and Program Control U. S. Nuclear Regulatory Commission Washington, D. C. 20555

Dear Sir:

In accordance with reporting requirements, the Connecticut Yankee Haddam Neck Monthly Operating Report 85-05, covering operations for the period May 1, 1985 to May 31, 1985 is hereby forwarded.

Very truly yours, Richard H. Graves Station Superintendent RHG/ sos Enclosures cc: (1) Director, Region I Division of Inspection and Enforcement U. S. Nuclear Regulatory Commission 631 Park Avenue King of Prussia, PA 19406 (2) Director, Office of Inspection and Enforcement U. S. Nuclear Regulatory Commission Washington, D. C. 20555

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