ML20042A433

Monthly Operating Rept for Nov 1981

ML20042A433
Person / Time
Site:	Haddam Neck File:Connecticut Yankee Atomic Power Co icon.png
Issue date:	12/07/1981
From:	Donna Anderson CONNECTICUT YANKEE ATOMIC POWER CO.
To:
Shared Package
ML20042A426	List: ML20042A425 ML20042A433
References
NUDOCS 8203230414
Download: ML20042A433 (10)

Text

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4 CONNECTICUT YANKEE ATOMIC POWER COMPANY HADDAM NECK PLANT HADDAM, CONNECTICUT t

1 MONTHLY OPERATING REPORT NO. 81-11 FOR THE MONTH OF l

NOVEMBER 1981 5

4 a

I 1

8203230414 811201 PDR ADOCK 05000213 R

PDR

.. ~....

PLANT OPERATIONS:

The following is a summary of plant operations for the month of November 1981:

The unit continued in a refueling shutdown mode at the beginning of the month.

On Novenber 5,1981, smoke was reported coming from oil-soaked lagging on the

1. 2 reactor coolant pump. The smoldering lagging was extinguished and the pump was shut down for inspection. No damage to the pump was noted and it vaa restarted.

The reactor was critical at 2350 hours0.0272 days <br />0.653 hours <br />0.00389 weeks <br />8.94175e-4 months <br /> on November 7,1981, and the plant was phased on line at 1947 hours0.0225 days <br />0.541 hours <br />0.00322 weeks <br />7.408335e-4 months <br /> on November 12, 1981. At 2139 hours0.0248 days <br />0.594 hours <br />0.00354 weeks <br />8.138895e-4 months <br /> the reactor was manually tripped by the operator when attempts to transfer reactor coolant pumps from off-site power failed. The unit was phased on line again at 0238 hours0.00275 days <br />0.0661 hours <br />3.935185e-4 weeks <br />9.0559e-5 months <br /> on November 13, 1981.

The generats; vas taken off line at 1641 hours0.019 days <br />0.456 hours <br />0.00271 weeks <br />6.244005e-4 months <br /> on November 13, 1981, for the turbine overspeed trip test.

It was successfully completed and the plant phased back on line at 0617 hours0.00714 days <br />0.171 hours <br />0.00102 weeks <br />2.347685e-4 months <br /> on November 14, 1981.

The unit reached 80 percent power on November 15, 1981, at 0410 hours0.00475 days <br />0.114 hours <br />6.779101e-4 weeks <br />1.56005e-4 months <br /> and held there until flux mapping was completed at 1115 hours0.0129 days <br />0.31 hours <br />0.00184 weeks <br />4.242575e-4 months <br /> the same day. The load increase commenced at 1230 hours0.0142 days <br />0.342 hours <br />0.00203 weeks <br />4.68015e-4 months <br />.

100 percent power was reached at 15h0 on November 17, 1981, and maintained throughout the remainder of the month.

1

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Pags 1 ol 2

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_._.a SYSTEM Maintenance GM CORRECTIVE ACTION TAKEtl TO PRGVIDE OR HALFUNCTION SAFE TAKEN TO PREVENT FOR REA nGa SAFEW ',

COMPONENT CAUSE RESULT OPERATION P.EPETITION DURING TdPAIR

'A" Charge Pump Pin hole leak Seal water leak None Replaced flexible hose None required Inboard Seal in hose.

Plexible Hose Reason:

Normal Lifetime wear pod Control Time Failed time Relay inopera-None Replaced relay None required Jelay Relay delay relay tive Reason:

Unknown ontrol Rod Failed step Step counter None Replaced step counter None required 3tep Counter counter inoperative Aap #1 Valves lifted Continuous None Rebuilt and reteste'd Isolated loSp #1 tain Steam Safety and would not steam release valves falves reseat Reason: Water hammer ioop #2 Reactor Oil leak Oil soaked None Removed lagging, cleaned Shut down pump

oolant Pump and lagging started pipe, valve and pump

old Leg Stop moking during volute. Reinsulated falve loop heat-up o

nr

Page 2 of 2 CN CORRECTIVE ACTION TAKEN TO PROVIDE SYSTEM Maintenance OR HALFUNCTION SAFE TAKEN TO PREVENT FOR RE!.CTCR SAFETY,

COMPONENT CAUSE RESULT OPERATION REPETITION DURING REPAIR Auxiliary Feed Partially wiped I.ack of None Replaced bearing with Redundant equipment

' ump "B" Turbine bearing lubrication correct bearing for forced available P

Drive oil system Rea' son:

Installed bearing which had no oil hole for forced oil I

system f

lubrication j

l fB" Charging Reason:

High thrust None Reshimmed bearing for Redundant equipment Mp Insufficient bearing proper clearance, available I

bearing temperature clearance l

kB" Charging Ifigh bearing Partially wiped None Replaced bearing and Redundant equipment Pump Outboard

• temperature bearing aligned anti-rotation available

) earing pin.

Reason:

l Suspect bearing i

anti-rotation l

pin misaligned t

• B" Charging Reason:

Loose High bearing None Replaced thrust bearing Redundant equipment l

vibration collar, key and spacer available l

Pump Outboard

• thrust bearing ring.

Bearing collar i

l G

e 4

/

+ _ _ _ _ _

SYST M Instrument and Control ON CORRECTIVE ACTION TAKEN TO PROVICE OR MALFUNCTION SAFE TAKEN TO PREVENT FOR RD.CTOR SAFEW ".

COMPONENT CAUSE RESULT OPERATION PEJETITION DURING REPAIR Loop 2 AT hot Open RTD element Loss of loop None.

None at present. Will None Resistance

1. 2 AT channel.

replace RTD at next Temperature shutdown.

Detector (RTD)

Loop #1 Steam Leaking drain Loss of flow None Capped line Trip signal installed Line Break valve on indication during repair Indication-reference leg oo 9

4 e

9 e

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Y

t PnMMFPTTPilT YAMVFF REACTOR COOLANT DATA MONTH: NOVEMBER 1981 Dror inD PnniAMT AMAIV474 M T M T HIIM AUFRAGF MAYTMllM PH @ 25 DEGREES C 3.98E+00 :

4.98E+00 :

5.92E+00 :

3_,nctnn.

1. n,r r i n i +

o nnFini.

c ru murr v i,7 rv eguonnicus CHLORIDES (PPM)

<5.00E-02 :

5.40U-02 :

1.00E-01 :

DISSOLVED OXYGEN (PPB)

<5.00E+00 :

2.00EiO1 5.00E+01 :

noonM (poss t

1.0ar+na t 1 s4F,.n i o.s1F40x !

LITHIUM (PPM) 7.00E-01 :

1.47E+00 :

2.00E+00 :

TOTAL GAMMA ACT. (UC/ML) 3.84E-03 :

8.54E-01 :

2.42E+00 :

7.42E -05 h.70E -03

^"F-^'

r ng r qc_171 AcT

< g r 'M' i

I-131/I-133 RATIO 5.55E-01 :

1.6)E+00 1.08E+01 :

CRUD (MG/ LITER)

<1.00E-02 : !,1.00E-02 : <1.00E-02 :

rurTIns < Oc/Mi i t

s.oor-0, t E 19F-01

?

1 AOF400 t HYDROGEN (CC/KG) 1.63E+01 1.98E+01 :

2.40E+01 :

AFPATFr! I T Gi t T TI fJAQTP P R O P F A A F T;( M Af f A M Q )

• 1 A GF405~;

WASTE LIOUID PROCE5 BED THROUGH BORON RECOVERY (GALLONS)*

7.62E+04 AVERAGE PRIMARY LEAK RATE (GALLONS PER MINUTE):

2 11E-01 PRTMARY Tn ArrnMTtARY I FAV RATF(RAIInN4 PFR M T Hi tTF ) !

O=OOF400

t AVERAGE DAILY UNIT POWER LEVEL DOCKET NO.

50-213 Conn. Yankee UNIT Haddam Neck DATE Decembe: 7, 1981 COMPLETED BY Don Anderson TELEPHONE (203) 267-2556 MONTH:

November 1981 DAY AVERAGE DAILY POWER LEVEL DAT AVERAGE DAILY POWER LEVEL (MWe-Net)

(MWe-Net) 1 0

17 566 2

0 18 573 3

19 572 0

4 20 571 0

0 572 5

21 573 6

0 22 SIS 7

0 23 8

0 24 l

9 0

25 575 10 0

26 577 578 f

11 0

27 l

578 l

12 1.0 28 5I0

(

13 62 29 577 14 166 30 j

Ic 487 31 l

573 l

16 INSTRUCTIONS l

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, i

[

UNIT SilUTDOWNS AND POWER REDUC"tIONS DOCKET NO.

50-213 UNIT NAME conn.. Yankee DATE 12-D-D1 COMPLETED BY D. Anderson REPORT HONTil November 1981 TELEPil0NE ( 203)2 tit-2556 mo

$ ud U

cm N

OE E

oME Licensee 04

$*e Cause & Corrective No.

Date E.

NE E

.0 0 #

Event U.$

8. *8 Action to N

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$ l Report i NO

$u Prevent Recurrence o

Continuation of pore 81-13 811101 s

283.8 C

1 N/A ZZ ZZZZZZ 10-11 Refueling, to Maintenance shut dcwn 811112 and low power physics testing.

81-14 8111r F

5.0 A

1 h/A ZZ ZZZZZZ Reactor and turbine to manually tripped while 811113 attempting to transfer reactor coolant pumps to station' service power.

81-15 811113 S

13.6 B

1 N/A ZZ ZZZZZZ Performed turbine to overspeed trip test.

811114 t

b f

I 2

3 4

F Forced Beason:

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 Licensee 3-Automatic Scram.

Event Report (LER) File C-Refueling D-Regulatory Restriction 4-Other(Explain (NUREC-0161) i E-Operator Training & License Examination

/.

F-Administrative 5

Exhibit 1 Same Source l

G-Operational.. Error (Explain

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REFUELING INFORifATION REQUEST 1.

Name of facility Connecticut Yankee Atomic Power Company 2.

Scheduled date for next refueling shutdown.

February 1983 3.

Scheduled date for restart following refueling

!!id !farch 1983 4.

(a) Will refueling or tecumption of op; ration thereafter require a technical specification change or other license amendment?

No technical specification chan6es are anticipated at this time.

(b)

If answer is yes, what, in general, will these be?

N/A (c)

Tf answer is no, has the reload fuel design and cure 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)? When documents are received from vendor they are reviewed in accordance with 10CFR 50 59 to determine if unreviewed safety questions are core reload associated.

If no such review has taken place, when is it schedcled?

(d)

N/A 5.

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

There are no scheduled dates because of (h) above.

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 operatfug procedures.

Jcne 7.

The number of iuel assemblies (a) in the core and (b) in the spent fuel i

storage pool.

(A) 157 (B) h41 8.

The present licensed spenc fuel pool storage capacity and the size of any increase in licensed storage capacity that has been requessed or is planned, in number of f_el assemblies.

1168 9.

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

1994 to 1995

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