ML20138R372

Monthly Operating Rept for Aug 1985

ML20138R372
Person / Time
Site:	Haddam Neck File:Connecticut Yankee Atomic Power Co icon.png
Issue date:	08/31/1985
From:	Drago J, Graves R CONNECTICUT YANKEE ATOMIC POWER CO.
To:	NRC
References
85-08, 85-8, NUDOCS 8511180567
Download: ML20138R372 (10)

Text

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CONNECTICUT YANKEE ATOMIC POWER COMPANY HADDAM NECK PLANT HADDAM, CONNECTICUT MONTHLY OPERATING REPORT NO. 85-08 FOR THE MONTH OF AUGUST 1985 8511180567 850831 'I O' PDR ADOCK 05000213 R PDR '\-

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PLANT OPERATIONS On August 16, 1985, at 2300 hours0.0266 days <br />0.639 hours <br />0.0038 weeks <br />8.7515e-4 months <br />, the plant started a load reduction to 65 percent power to conduct a routine turbine control valve test. At 0120 hours0.00139 days <br />0.0333 hours <br />1.984127e-4 weeks <br />4.566e-5 months <br />, on August 17, 1985, the test was complete and the unit continued a decrease in power to 55 percent. After cleaning the "B" and "D" condenser waterboxes, the plant started increasing load at 2241 hours0.0259 days <br />0.623 hours <br />0.00371 weeks <br />8.527005e-4 months <br /> on August 17, 1985. The increase was stopped at 0140 hours0.00162 days <br />0.0389 hours <br />2.314815e-4 weeks <br />5.327e-5 months <br /> on August 18, 1985, and due to excessive leakage on the "A" main feed pump, a load decrease was started at 0215 hours0.00249 days <br />0.0597 hours <br />3.554894e-4 weeks <br />8.18075e-5 months <br />. At 1500 hours0.0174 days <br />0.417 hours <br />0.00248 weeks <br />5.7075e-4 months <br />, the plant came off line to replace the "A" main feed pump inboard seal.

The unit phased on line at 1359 hours0.0157 days <br />0.378 hours <br />0.00225 weeks <br />5.170995e-4 months <br /> on August 19, 1985, and after Chemistry holds were complete the plant reached full power on August 21, 1985, at 0400 hours0.00463 days <br />0.111 hours <br />6.613757e-4 weeks <br />1.522e-4 months <br />.

The unit operated at full power for the remainder of August.

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IMSTRUMENTATION & CONTROL SYSTDI AUGUST 1985 EFFECT ON CORRECTIVE ACTION SPECIAL PRECAUTION OR MALFtri4CTION SAFE TAKEN TO PREVENT TAKEN TO PROVIDE COMPOi4ENT CAUSE RESULT OPERATION REPETITIOi4 FOR REACTOR SAFETY DURTNG REPAIR There are no reportable items for the month of August.

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MAIETENANCE. AUGUST 1985 EFFECT ON CORRECTIVE ACTION SPECIAL PRECAUTIO1 OR MALFUNCTION SAFE TAKEN TO PREVENT TAKEN TO PROVIDE s .-

COMPONENT CAUSE RESULT OPERATION REPETITION FOR REACTOR SAFETY DURING' REPAIR l

"A" Steam Generator Feed pump seal Excessive NONE Replaced seal. New style NONE ,

! Feed Pump failed. leaking. seal available for next repair.

, IB RHR Pump Weld leak on Leak. NONE Weld repair. Standby pump pump causing .. test run prior vent line. to repair work.

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i AVERAGE DAILY UNIT POWER LEVEL r

DOCKET NO. 50-213 i Conn. Yankee j UNIT Haddam Neck i

DATE August 1985 COMPLETED BY J. P. Drago l TELEPHONE (203) 267-2556 MONTH. AUGUST 1985 4 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net) (MWe-Net) 1 556 17 293 i 2 560 18 180 3 559 19 4 4 558 20 118

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1 5 555 21 538 6 554 22 553 7 553' 23 554 r

8 554 24 555 i

9 552 556 25 10 550 558 26 11 550 558 l 27 12 550 560 28 I 13 549 29 560 14 ~545 30 560 15 541 31 564 e

16 541

INSTRUCTIONS On this format, 1ist the average daily unit power level in MWe-Net for.each day in the reporting month. Complete the nearest whole megawatt.

(!'/ 77)

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CONNECTICUT YANKEE REACTOR COOLANT DATA

,_ __. ___ _____.- ~ MON T H !- A UGUS T- --1985'- - - --'---- - -- - - - - - - - - "

-REACTOR COOLANT ANALYSIS MINIMUM AVERAGE MAXIMUM

... ................................................................. l

-PH + 25-DEGREES-C -:-6 v4 5E+00--:--67 77E+00-:-7T02E+00- - ---

CONDUCTIVITY (UMHOS/CM)  : 3.35E+00 : 6.58E+00 : 9.90E+00 :

CHLORIDES (PPM)  : <5.00E-02 : <5.00E-02 : <5.00E-02 : 1

-DISSOLVED-OXYGENM PPB ) :H5v00E+00- M5 6 00E+00- MST 00EtOO-:

BORON (PPM)  : 1.69E+02 : 2.32E+02 : 5.04E+02 :

LITHIUM (PPM)  : 2.75E-01 : 5.68E-01 : 8.03E-01 :

-TOTAL-GAMMA ~ACT.-(UC/ML-) - - :-3751E-01~t- 6T46E-01-t- 9.53E"01 T -

IODINE-131 ACT. (UC/ML)  : 3.27E-03 : 1.24E-02 : 1.25E-01

• I-131/I-133 RATIO  : 1.03E+00 3.05E+00 3.08E+01 :

--CRUDH MG/t: ITER ) !M1 r00E-02-1--41.00E MT00E-02-i TRITIUM (UC/ML)  : 1.26E+00 : 1.84E+00 : 2.35E+00 :

HYDROGEN (CC/KG)  : 2.53E+01 : 2.92E+01 : 3.07E+01 :

r. . . . . . . . . . . . . m rn vervrm vr. . recr# rn TTr r. rr. . Ta c ~. . cr.wT;7 i v. .T " ~

AERATED LIQUID WASTE PROCESSED (GALLONS): 1.46E+05 WASTE LIQUID PROCESSED THROUGH BORON RECOVERY (GALLONS): 1.18E+05

---AVERAGE--PRIM ARY- LEAK- R ATE ( OALLONS- PER~ MINUTE )- M197E+00 - - -

PRIMARY TO SECONDARY LEAK RATE (GALLONS PER MINUTE): 0.00E+00 l

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NRC Oper ating Status Rop o r- t Haddam N e c- k 4

1. Docket: 50-213

2. Reporting Period: 08/85 Outage + On-line Hours: 22.9 + 721.1 = 744.0

3. Utility

Contact:

J.P. Drago (203) 267-2556, est. 452 -

4. Licensed Thereal Power (MWt): 1825

5. Naseplate Rating (Gross MWe): 667 x 0.9 = 600.3

4. Design Electrical Rating (Net MWe): 582

7. ranieve Dependable Capacity (6ross MWe): 595.8

8. Manises Dependable Capacity (Net MWe): 569

9. If changes occur above since last report, reasons are: NONE

10. Power level to which restricted, if any (Net MWe): N/A

11. Reasons for restriction, if any: N/A

. MONTH YEAR-TO-DATE CUMULATIVE

12. Report period hours: 744.0 5,831.0 154,871.0

13. Hours reactor critical: 744.0 5,797.8 133,514.8

14. Reactor reserve shutdown hours: 0.0 0.0 1,264.0

15. Hours generator on-line: 721.1 5,751.3 127,955.6

16. Unit reserve shutdown hours: 0.0 0.0 373.7

17. Gross thereal energy generated (MWtHl: 1,235,549.0 10,144,410.0 222,331,60(.0 t

13. Gross electrical energy generated (MWeH): 392,098.0 3,309,565.0 72,968,710.0 t

19. Net electrical energy generated (MWeH): 372,463.3 3,153,575.0 69,414,640.0 8

20. Unit service factor: 96.9 98.6 82.6

21. Unit availability factor: ,

96.9 98.6 82.9

22. Unit capacity factor using MDC net 88.0 95.0 82.4

23. Unit capacity factor using DER net: 86.0 92.9 , , 77.1

24. Unit forced outage rate: 3.1 1.4 5.7

25. Forced outage hours: 22.9 79.7 7,785.8

26. Shutdowns scheduled over next & sonths (type,date, duration):

REFUELIO, 01/04/86, 8 to 12 seeks depending on steas generator test results.

27. If currently shutdown, estiaated startup date N/A 8 Cueulative values from the first criticality (07/24/67). (The remaining cueulative values are from the first date of coseercial operation, 01/01/68).

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UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO. 50-213 UNIT NAME Conn. Yankee DATE Sept. 15, 1985 COMPLETED BY C. B. Dean REPORT MONTil Al? GUST 1985 TELEPIIONE (203)267-2556

% m om m u No. Date - b9 N y$ LER -t Eo Cause & Corrective o Y$ $ g RPT. 0 $3 Action to h O:O $ ,@"h@

g,@ $$ $ Prevent Recurrence b~ $ f*OM

• mO O 85-06 08-16-85 S 0.0 B 5 N/A IIA TURBIN Reduction for monthly turbine valve test.

While at reduced load, condenser waterboxes were cleaned.

85-07 08-18-85 F 22.9 A t N/A Cll PUMPXX Unit taken off-line due to steam generator feed pump seal leak.

Replaced seal and returned unit to service.

1 2 3 4 F Forced Reason: Method: Exhibit C-Instructions S Scheduled A-Equipment Failure (Explain) Il-Other(Explain 1-Manual for Preparation of Data B-Maintenance or Test 2-Manual Scram Entry Sheets for Licenses C-Refueling 3-Automatic Scram Event Report (LER) File D-Regulatory Restriction 4-Other(Explain) (NUREG-0161)

E-Operator Training & License Examination 5-Reduced Load F-Administrative 9-Other 5 G-Operational Error (Explain) Exhibit 1 Same Source

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.' REFUELING INFORMATION REQUEST

1. Nrms of facility 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 - March 29, 1986

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

YES (b) If answer is yes, what, in general, will these be?

1. Revise the allowance factors in calculating core power peaking.

2. Revise the axial offset limits for 4 loop and 3 loop operation.

3. Revise the RCS mass flow specification due to anticipated S/G work.

(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?

November 1985

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

December 1985

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 I

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. .o ' l CONNECTICUT YANKEE ATO MIC POWER COMPANY HADDAM NECK PLANT RR#1

• BOX 127E

• EAST HAMPTON. CONN. 06424 1

September 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 Plant Monthly Operating Report 85-08, covering operations for the period August 1, 1985 to August 31, 1985 is hereby forwarded.

Very truly yours, M%

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