ML20205H037

Monthly Operating Rept for Jul 1986

ML20205H037
Person / Time
Site:	Catawba
Issue date:	07/31/1986
From:	Reavis J, Tucker H DUKE POWER CO.
To:	NRC OFFICE OF ADMINISTRATION (ADM), NRC OFFICE OF INSPECTION & ENFORCEMENT (IE)
References
NUDOCS 8608190684
Download: ML20205H037 (9)

Text

_

OPERATING DATA REPORT DOCKET NO.

50-413 DATE _08/is /86 CohlPLETED 11Y

._J_. A. Reavis 1ELEril0NE 104/373-7567

{

OPERATING STA10S

1. Unit Name:

Catawba 1 Notes

• Namepla te Rating -

(

88 PecWSAR

2. Reporting Period: July 1.

1986-July 31. 1986

3. Licensed Thermal Power (MWt):

3411

4. Nameplate Rating (Gross blWe):

1205

5. Design Electrical Rating (Net MWe):

1145

6. Maximum Dependable Capacity (Gross MWe):

7. Maximum Dependable Capacity (Net MWe):

1145

8. If Changes Occur in Capacity Ratings (Items Number 3 Through 7) Since Last Report. Give Reasons:

None

9. Power Level To Which Restricted,if Any (Net MWe):

None

10. Reasons For Restrictions.lf Any:

This Month Yr. to Date Cumulative i1. Ilours in Reporting Period 744.0 5 087.0 9 552.0

12. Number of Hours Reactor Was Critical 532.2 4 173.3 7 785.6

13. Reactor Reserve Shutdown Ifours

~

14. Hours Generator On Line 517.6 4 030,4 7 546.I

15. (JrJt Reserve Shutdown Hours

16. Gross Thermal Energy Cenerated (MWH) 1 454 365 12 632 503 23 322 683

.17. Gross Electrical Energy Cenerated (MWH) 502 127 4 451 740 8 136 009

18. Net Electrical Energy Generated (MWH) 460 250 4 151 818 7 592 332

19. Unit Service Factor 69.6 79.2 79.0 l

20. Unit Availability Factor 69.6 79.2 79.0

21. Unit Capacity Factor (Using MDC Net) 54.0 71.3 69.4

22. ' Unit Capacity Factor (Using DER Net) 54.0 71.3 69.4

23. Unit Forced Outage Rate 30.4 20.8 21.0 1

24. Shutdowns Scheduled Over Next 6 Months (Type.Date.and Duration of Eacht:

Refueling - August 9, 1986 - 8 weeks

25. If Shut Down At End Of Report Period. Estimated Date of Startup:

26. Units in Test Status IPrior to Commercial Operation):

Forecast Achieved INITIAL. CRITICALITY INITIAL ELECTRICITY COMME RCIAL OPER ATION I

l 8608190604 360731 PDR ADOCK 0D000413 od R

PDR b e' N.I E l

L

AVERAGE DAILY UNIT POWER LEVEL DOCKET NO.

50-413 UNIT Catawba 1 DATE 08/15/86 COMPi.ETED'BY J. A. Reavis TELEPHONE 704/373-7567 MONTH July. 1986 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net)

(MWe-Ne t) 1 17 568 18 110 2

912 3

19 907 4

20 949 5

21 944 6

22 946 7

23 954 g

24 319 952 9

25 862 10 26 956 916 957 3;

925 12 28 957 13 924 948 29 14 928 836 30 933 773 15 31 936 16 INSTRUCTIONS On this format, list the average (lally unit power level in HWe-Net for each day in the reporting month.

Compute to the nearest whole megawatt.

UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO.

50-413 UNIT NAME Catawba 1 DATE 8/15/86 REPORT MONTH July 1986 COMPLETED BY J. A. Reavis

s TELEPHONE 704-373-7567 o

o o,$

License y

Cause & Corrective e37 "c

ofa Be g

No.

Date gg jg Event o

g Action to usE a

'o e

.m g,

N 55 E

$5S Report #

NO u8 Prevent Recurrence 11 86-07-01 F

201.15 A

4 CJ PIPEXX Reactor Coolant Leakage Out of Spec Due to Ruptured Socket-Weld on Letdown 60-P 86-07-09 S

B CC VALVEX Power Increase Delay due to Control Valve Movement Test 61-P 86-07-09 F

H CG ACCUMU Power Increase Delay due to Insufficient Recycle Holdup Tank Volume 62-p 86-07-10 S

F RC ZZZZZZ Core Coastdown 12 86-07-17 F

25.28 A

3 ED INSTRU Reactor Trip due to Relay Light Socket Short Resulting in Turbine Load Imbalance Trip 63-P 86-07-18 F

D RC XXXXXX Power Increase delay due to Axial Flux Difference Time Acquired 64-P 86-07-18 S

F RC ZZZZZZ Core Coastdown 65-P 86-07-29 S

F RC ZZZZZZ Core Coastdown n-1 2

3 4

Reason:

Method:

Exhibit G - Instnactions

[

A-Equipment Failure (Explain) 1-Manual for Preparation of Data 1ed B-Maintenance or Test 2-Manual Scram Entry Sheets for Licensee C-Refueling 3-Automatic Scram Event Report (LER)

D-Regulatory Restriction 4-Other (Explain)

File (MREG-0161)

E-Operator Training 4 License Examination F-Adninistrative 5

G-Operational Error (Explain)

Exhibit I - Same Source H-Other (Explain)

DOCKET NO: 50-413 UNIT: Catawba 1 DATE: 8/15/86 NARRATIVE

SUMMARY

Month:

July 1986 The unit began the month in an outage to repair a Reactor Coolant leak.

The unit returned to service on July 09 and increased power to 85% to i

continue its coastdown toward refuel. On July 17 the unit tripped when part of the electrical grid was isolated by protection circuitry. A short in a relay caused the isolation. The unit returned to service on July 18 and increased power to 85% where it remained for the balance of 3

l the month.

j a

I t

i 4

m

MONTHLY REFUELING INFORMATION REQUEST 1.

Facility name: Catawba, Unit 1 2.

Scheduled next refueling shutdown: August, 1986 3.

Scheduled restart following refueling: October, 1986 4.' Will refueling or resumption of operation thereafter require a technical specification change or other license amendment? Yes If yes, what will these be? Technical Specification Revision If no, has reload design and core configuration been reviewed by Safety Review Committee regarding unreviewed safety questions? N/A 5.

Scheduled date(s) for submitting proposed licensing action and supporting information: N/A 6.

Important licensing considerations (new or different design or supplier, unreviewed design or performance analysis methods, significant changes in design or new operating procedures).

7.

Number of fuel assemblies (a) in the core: 193 (b) in the spent fuel pool: 8.

Present licensed fuel pool capacity: 1418 Size of requested or planned increase:

9.

Projected date of last refueling which can be accommodated by present licensed capacity: August, 2008 DUKE POWER COMPANY DATE: August 15, 1986 Name of

Contact:

J. A. Reavis Phone: 704-373-7567 i

Catawba Nuclear Station Valve Challenges Valve No.

No. of Changes NC PORV INC32 - June 18, 1986 1

NC PORV 2NC32 - June 16, 1986 1

s.:

CATAWBA NUCLEAR STATION MONTHLY OPERATING STATUS REPORT 1.

Personnel Exposure For the month of June, no individual (s) exceeded 10 percent of their allowable annual radiation dose limit.

2.

The total station liquid release for June has been compared with the Technical Specifications maximum annual dose commitment and was less than 10 percent of this limit.

The total station gaseous release for June has been compared with the Technical Specifications maximum annual dose commitment and was less than 10 percent of this limit.

1 1

w

^

8 e

DUKE POWER GOMPANY P.O. HOX 33180 CHARLOTTE, N.C. 28242 HALD.TtCKER TELEPHONE vum ensemawe (704) 373-4534 noctuaa emoomrios August 15, 1986 Director Office of Inspection and Enforcement U. S. Nuclear Regulatory Commission Washington, D. C.

20555 l

Attention: Document Control Desk Re: Catawba Nuclear Station Docket No. 50-413

Dear Sir:

Please find attached information concerning the performance and operating status of the Catawba Nuclear Station for the month of July, 1986.

Very truly yours.

B. /

9 Hal B. Tucker JAR: sib Attachment xc:

Dr. J. Nelson Grace, Regional Administrator U. S. Nuclear Regulatory Commission Region II 101 Marietta Street, NW, Suite 2900 Atlanta, Georgia 30323 Mr. Phil Ross U. S. Nuclear Regulatory Comunission MNBB-5715 Washington, D. C.

20555 Dr. K. Jabbour, Project Manager Office of Nuclear Reactor Regulation U. S. Nuclear Regulatory Commission Washington, D. C.

20555 g 'l-

't 1

\\

J

• Dircctar August 15, 1986 Page Two xc: American Nuclear Insurers e/o Dottie Sherman, ANI Library The Exchange, Suite 245 270 Farmington Avenue Farmington, CT 06032 INPO Records Center Suite 1500 1100 Circle 75 Parkway Atlanta, Georgia 30323 NRC Resident Inspector Catawba Nuclear Station Mr. Richard G. Oehl, NE-44 U. S. Department of Energy 19901 Germantown Road Germantown, Maryland 20874 1