ML113110979

Forwards Monthly Operating Rept for Apr 1980

ML113110979
Person / Time
Site:	Monticello
Issue date:	05/14/1980
From:	Mayer L Northern States Power Co
To:	NRC OFFICE OF MANAGEMENT AND PROGRAM ANALYSIS (MPA)
Shared Package
ML113110980	List: ML113110979 ML19309H872
References
NUDOCS 8005200570
Download: ML113110979 (6)

Text

fy\4# j,4 REGULATOR4NFORMATION DISTRIBUTION S*EM (RIDS)

ACCESSION NBR:8005200570 DOC.DATE: 80/05/14 NOTARIZED: NO DOCKET #

FACIL:50*263 Monticello Nuclear Generating Plant, Northern States 05000263 AUTHNAME AUTHOR AFFILIATION MAYERL,O, Northern States Power Co.

RECIPNAME RECIPIENT AFFILIATION Office of Management and Program Analysis SU8JECT: Forwards monthly operating rept for Apr 1980..

DISTRIBUTION CODE: A008S COPIES RECEIVED:LTR -L ENCL S TITLE: Annual, Semi-Annual & Monthly Operating Reports (OL Stag NOTES: -- - - ---------

RECIPIENT COPIES RECIPIENT COPIES ID CODE/NAME LTTR ENCL ID CODE/NAME. LTTR ENCL ACTION: 05 6C ORi6 #3 6 6 INTERNAL: 01 1 1 02 NRC PDR 1 1 11 2 2 14 MPA 2 2 16 DIR DOR 1 1 18 ENGR BR 1 1 19 REAC SAFT BR 1 1 20 PLANT SYS BR 1 1 21 EEB 1 22 CORE PERF BR 1 1 23 EFFL TR SYS 1 1 AEOD 1 1 EXTERNAL: 03 LPDR 1 1 04 NSIC 1 1 24 NATL LAB 1 1 25 BROOKHAVEN 1 1 26 ACRS 15 15 I

TOTAL NUMBER OF COPIES REQUIRED; LTTR 39 ENCL 39

8005200 57O 3

NORTHERN STATES POWER COMPA MINNEAPOLIS. MINNESOTA O5401 May 14, 1980 Director, Office of Management Information & Program Control c/o Distribution Services Branch, DDC, ADM U S Nuclear Regulatory Commission Washington, DC 20555

Dear Sir:

MONTICELLO NUCLEAR GENERATING PLANT Docket No. 50-263 License No. DPR-22 Monthly Operating Report April 1980 Attached are two copies of the Monthly Operating Report for April, 1980 for the Monticello Nuclear Generating Plant.

Yours very truly, L 0 Mayer, PE Manager of Nuclear Support Services LOM/ak cc: Director, IE-III, USNRC (1)

-Director, IE, USNRC (c/o DSB) (10)

MPCA Attn: J W Ferman

8005200 57 NARRATIVE

SUMMARY

OF OPERATING EXPERIENCE DOCKE T NO. 50- 263 UNIT 'Mbnticello DATE 5-2-80 CO1PLETEI BY A.L. Myrabo TELEPH [ONE 612/295-5151 April 4-1-80 to Continuation of 1980 refueling outage.

4-3-80 4-4-80 Reactor critical for physics testing and reactor heat-up.

4-5-80 Generator on-line prior to turbine overspeed test. Turbine overspeed test completed.

4-6-80 Power operation at essentially 100% of rated power except for weekend to surveillance testing and control rod adjustments.

4-18-80 4-19-80 Reactor scram on turbine trip due to reactor high level. Trip was received while attempting orderly shutdown because of failed recirc pump seals.

4-26-80 Scheduled outage to repair recirc pump seals NOTE: Reactor was in a shutdown condition prior to the start of this outage.

4-28-80 Generator on-line for power operation.

4-29-80 Orderly shutdown due to failure of recirc pump seal.

to 4-30-80

MAY 13 1980 0

OPERATING DATA REPORT DOCKET NO. 50--263. .......

DATE 5- 2-80 _.

COMPL..ETED BY A. L. Myrabo TEL.EPHONE 6 12/295-5151 OPERATING STATUS ------- - - -------------------- --

N o toe--. I 1 , U.i. tic.Mn Ii I.l I Reporting per i od : ............ APRIL 3 I.. icensed ThermaL Power (MWt): . . . . . 1670

4. Nameplate Rating (Gross MWe): 569I

5. Desin E .ectr ica Rating (Net MWe)  : . 545.4

6. Ma x imum Dependab I.e Capac ty (Gross MWe ) _564

7. Ma imum Dependab Le Capac i ty (Net MWe) : .... 536 1-------------------------

. If Changes Occur in Capac i ty Ratings (Items Number 3 Through 7) Since I...ast Report, Give Reasons: .N/A..............................................

Pi er. LeveI To Which Restricted, if A (Net We  : .... .... NA ..................

M. Reazons For Pp ytr ictions , If Any : . ...NI/A ..... .... ... ...  :----.--.-.-..---.-- . ...... . . .... .

This Month Yr.- to-Date Cumulative Hours In Report ing Per iod .--- 7 1 9 . .,2903 Number Of lHours React:or Was Critica1. 415.5 11639. 11 63170.0 Reactor Reserve Shutdown Hours 0.0 - --940.7 Hours Generator On-...ine -W360. 6 _ 157i .7 61541.0 0.0 0.0 Unit Reserve Shutdown Hours Gross Therma1. Energy Generated (MWH) 536251 2090129 101032991 703560 Gross ElectricaL Energy Generated (MWH) 182410 Net EI ectric::a1. Energy Generated (MWH) 173908 668750 30300954 Unit Service Factor 50.2% 54. 1% 79.5%

Unit AvaiIlabitity Factor 5 0

.2% .- 54. 1% ..-.. 79 .5%

Unit Capacity Factor (Using ,MDC Net) 45.1% --. 43.0% 73.0%

Unit Capacity Factor (Using DER Net) 44 . 3% --. 42.2% -.- 7-1 .7%

Unit Forced Outage Rate 35.2% 1 . 1 1 5% ---- 6.6%

Shutdowns Scheduled Over Next 12 Months (Type, Date, and Duration of Each)

-- March 28, 1981 - RefueLing Outage - 56 days ..............

25. If Shut Down At End Of Report Period, Estimated Date Of Startup:_05-16-80_

26. Units In Test Status(Prior to CommerCaL Operation): N/A Forecast Achieved INITIAL CRITICALITY -------- -----

INITIAL ELECTRICITY -------- -----

COMMERCIAL OPERATION -------- ------

AVERAGE DAIL.Y UNIT POWER LEVEL.

DOCKET NO. 50-263 _ .

UNIT Montic:et.to DATE 5- 2-80-..

COMPLETED BY A. I.... Myra TELEPHONE 6i2/295-5151 Til ,,, , APRIL DAY A ERAGE DAILY POWER LEVEL. DAY AVERAGE DAILY POWER I...EVEI (MWe- Net) (MWe-Net) 17 --.-- 550 .. .

1 8 546 19 --- - - 3.............. .

.......- ~- ..-- 7.. - -.I..- - -

.... ~ ...6.. ..... 4 .... .. .. ..

5 ------- ----.

2 24 4 23 4................3 9 1.

5138 26 4 i1I ... ~i 517<

.T.i..

27 5------

28 17............ 3 12 55 407 .. . . . . ..

13 29 21 30 . ...............

14 3i1 --- - - -- - - -- - - --

15 547 .. . . . . ..

16 INSTRUCTIONS On th is format, ist the average daily un it power LeveL in MWe-Net for each clay in the report ing month. Compute to the nearest whole megawatt,

UNIT SHUTDOWNS AND POWER REDUCI ONS DOCKET NO. 50-263 UNIT NAME Monticello DATE 5-2-80 REPORT MONTH April COMPLETED BY A. L. Myrabo TELEPHONE 612/295-5151

- 1 f) -

l~arc .. Licensec - Cause&('rc: e D. I~i .4 Acton tto Re~rti z Pre% --rt Rec ~cnTcII 0

4 4-1-80 S 101.6 C 4 N/A ZZ ZZZZZZ Continuation of 1980 Refueling Outage.

5 4-5-80 S 3.2 B 1 N/A HA TURBIN Turbine overspeed test 6 4-19-80 F 151.2 A 3 N/A CB PUMPXX Turbine trip on high level while re ducing power after recirc pump seal failure. Seals on both recirc pumps replaced.

7 4-26-80 S 57.5 A 4 N/A CB PUMPXX Outage taken to repair recirc pump seal.

NOTE: Reactor was in s shutdown con dition prior tothe start of this outage.

8 4-29-80 F 44.8 A 1 N/A CB PUMPXX Plant shutdown to repair recirc pump seal.

S 3 -4 F: Forced Reason: Method: Exhibit G - Instructions S: Scheduled A-Equipment Failure (Explain)  !-Manual for Preparation of Data B-Maintenance of Test 2-Manual Scram. Entr\ Sheets for Licensee C-Refuelint 3-Automatic Scram. Eent Report (LER) File (NL REG D-RegulatorN Restriction 4-Other (Explain) 0161)

E-Operator Training & License Examination F-Administrative G-Operational Error (Explain) Exhibit I - Sane Source (9/77) Il-Other (Explain)