ML20127H280

Monthly Operating Rept for Aug 1976 for Monticello Nuclear Generating Plant Unit 1

ML20127H280
Person / Time
Site:	Monticello
Issue date:	08/31/1976
From:	Mayer L, Shamla W NORTHERN STATES POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE)
References
NUDOCS 9211180472
Download: ML20127H280 (4)

Text

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NORTHERN 5TATES POWER COMPANY MlNN E A POLI S. MIN N E S OTA 95408 c,: ' \ ?un September 10, 1976 g 6: SEP201976> F3 Director, Office of E'8yggrpon Ni s.m n Inspection and Enforcement 7 U S Nuclear Regulatory Commission Y

• Washington, DC 20555 #

Dear Sir:

HONTICELIA NUCLEAR GENERATING PIANT Docket No. 50-263 License No. DPR-22 Monthly Operating Report August 1976 Attached are ten copies of the Monthly Operating Report for August 1976 for the Monticello Nuclear Generating Plant.

Yours very truly, ho f .

L 0 Mayer, FL Manager of Nuclear Support Services '

LOM/ak cc: Director, IE-III, USNRC (1) 9536 Director, MIPC, USNRC (2)

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9211180472 760831 l DR ADOCKOSOOg3

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2026 .

Rev. 3

?/13/76 OPERATING DATA REPORT DOCKET NO. 50-263 _.

UNIT 1 DATE 9/7/76 Ca@LETED BY W. A. Shamla TELEP110NE 612/295-5151, Ext. 111 OPliRATING STAniS

1. Reporting Period: August Gross !!ours in Report Period: 744

2. Currently Authorized Power Leyel (hMt): 1670 htu. Depend. Capacity (hMe-NET):

536 Design Electrical 13ating OMe-Net): 545.4

3. Power Level to Which Restricted (if any) (hMe-Net)i N/A 4 Reasons for Restriction (if any): N/A T111S FONTil YR TO DATE CUSU1ATIVE

5. Nttnber of flours Reactor h*as Critical . . . . . . . . . . . 570.6 5,413.4 35,262.0

6. Reactor Reserve Shutdown Hours ................. 0.0 0.0 940.7

't . Hours Generator On Line ........................ 554.3 5,311.2 34,048.4 h Unit Reserve Shutdown IIours . . . . . . . . . . . . . . . . . . . . 0.0 0.0 0.0

9. Cross Therraal Energy Generated (bNi) . . . . . . . . . . . 825,249.6 8,179,-478.4 58,498,716.2

30. Grcss Electrical Energy Generated ('WI) . . . . . . . . 274,880 _ 2,773,200 17,244,250

11. Net Electrical Fnergy Generated (bMI) . . . . . . . . . . _259,924 2,652,632 16,473,724

'7 Reactor Service Factor ......................... 76.7% 92.5% 77.8%

1 ':. . R:acter Availability Factor .................... 76.7% 92.5% 79.9%

~1 it Savice Factor ............................ 74.5% 90.7% 75.1%

13 II ' t Ava 21abilit y fac tor . . . . . . . . . . . . . . . . . . . . . . . 74.5% 90.7% 75.1%

' ~ . Th : t Ct.paci ty Factar (Using MDC) . . . . . . . . . . . . . . . 65.2% 84.5% 67.8%

17. ' inia Capacity Facter (Using Design LMe) . . . . . . . . 64.1% 83.1% 66.6%

M. Unit Forced Outige Rate ........................ 4.9% _ 0.7% 9.9%

19. Shutdowns Scheduled Over Next 6 Months (Type, Date and Duration of Each):

N/A

20. If Shutdown at End of- Report Period, Estimated Date of Startup

1 l

2025 licy. 0 3/3/.76 AVERAGE DAILY UNIT POWER LEVEL DOCKET 10, 50-263 UNIT 1 DATE 9-9-76 CO@LETED BY W. A. Shamla __

TELEPtONE 612/295-5151, Ext.111 1

St.ATil Am, DAY AVEDAGE DAILY IMER LEVEL DAY AVERAGE DAILY POWER LEVEL (f W Net) &Bie-Net) 1 aos 17 q7 g 2 son 18 qu 3 343 19 gz, 4

. - 6_ 20 Rin 5 -4 21 i;g 6 ..._ 4 22 gi j 7 , _ ,._1 23 qu 8 .a 24 . Ron 9 _ _5 25 gza 10 _..._ . 64 '26 su U ... 2 66 ._

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.__ _.322, 28 770 33 . . . 4 58____ 29 so Ii .. . K1 n _

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li . 36 8_ _

31 4an x 16 ._ .501

2427- .

77. 0 .

4 76- . ,

DOCKET NG. 50-263 .

UNIT NAME Monticello UNIT.SUfD0hWS AND POKER REDUCTIONS DATE 09/08/76 .

i COIPLETED BY W..A. Shamla REFORT lOND{ AUGUST .

TELEPIDNE 612/2';5-5151 i

, Ext. 111 l  !

l MEI110D OF M- i SUITING D0hN '  ;

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! F: ' FORCED IURATION ' DIE REACIOR OR . .

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DATE i S: SCHEDULED (ifURS) REASON (1) REDtK'I?C IUhTR (2) CORRILTIVE ACTIONS /COME.NTS ,

,_ ,_.._.___.m__

,27 l 760803 S 160.9 B 1 . Plant outage taken to repair 8 leaks in feedwater heaters.

'28 760814 S 0 B 4 Power reduced to 50% of' rated' for stop valve limit swi'tch ,

repair and feedwater pump seal  ;

l j cooler leak. Power reduction. . i j accomplished via manual reactor  !

recirc flow reduction.

.l i 29. 760828 F l 28.8 H 3 Automatic Scram initiated by t

[ reactor high neutron' flux.

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(1) REASON .(2) Em I l .A: Equipment Failure (Explain) 1 i

B:. Maint. or Test f 3: Autanatic Scram 4: Other (Explain) i

. : gu ory Restriction ,

.  ! ~ E: Operator Training and  !

Licente Examination

. STMUY: Operated.as base loaded

.F: Ad:oinis t rati .'c .

unit.except for load G: Operational Error (Explain) following during first ,

. three days of the month 11: Other (T'. plain) '

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