ML20128C616
| ML20128C616 | |
| Person / Time | |
|---|---|
| Site: | Monticello  |
| Issue date: | 02/28/1978 |
| From: | Mayer L, Myrabo A NORTHERN STATES POWER CO. |
| To: | NRC OFFICE OF ADMINISTRATION (ADM) |
| References | |
| NUDOCS 9212040488 | |
| Download: ML20128C616 (5) | |
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- 2 NORTHERN 5TATES POWER COMPANY MIN N E A PO LI S. M S N N E GOTA 95404 n .. A lkl March 7, 1978 < /d [. / ' 'I wa 'fa') v 4 v.s m 1973 Q Director, Office of Management Information & Program Control C3 O c/o Distribution Services Branch, DDC, ADM U S Nuclear Regulatory Commission b Washington, DC 20555
Dear Sir:
MONTICELLO NUCLEAR GENERATING PLANT Docket No. 50-263 License No. DPR-22 Monthly Operating Report February 1978 Attached are two copies of the Monthly Operating Report for February, 1978 for the Monticello Nuclear Generating Plant.
Yours very truly, A
% . U er$
L 0 Mayer, PE Manager of Nuclear Support Services IDM/ak cc: Director, IE-III, USNRC (1)
(Director, IE, USNRC (c/o DSB) (10)
MPCA Attn: J W Ferman 0
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l 9212040488 780228 PDR 780720022 ADOCK 05000263 R pyg
NARRATIVE SIM4\Rf 0F OPERATING EXPERIENCE DOCKET NO. 50-263 LNIT 1 l
DATE 3/6/78 00$PLETED BY A. L. Mvrabo TELEPIKNE 612/295-5151, Ext. 239
?DNTI Febmary 4
- 2/1/78 to Operated at 100% of rated power.
2/2/78 2/3/78 Orderly shutdown for rod sequence exchange and re-pair / inspection of tonis vacuum breakers. Trued up bearing housings and bearings and adjusted end clear-ance on toms to drywell vacuum breakers "B" and
" T" . Changed out topworks on "A" relief valve due to leak around strainer plug.
2/4/78 Operated at approximately 100% of rated power, except to for weekend reductions to perform control rod exercising 2/22/78 and valve testing.
2/23/78 Reactor scram due to low condenser vacuum caused by both circulating water pumps tripping from spurious flood protection circuit signal.
2/24/78 to Operated at 100% of rated power.
2/28/78 Spent Fuel Storage Update Fuel assemblies in the core - 484 Fuel assemblies in the spent fuel storage pool - 616 Licensed spent fuel storage pool capacity - 740 Date of last refueling that can be discharged with present capacity -Oct, 1978
1 4
1 l
] OPER ATING DATA REPORT i
DOCKETNO. 50-263 *
' DATE 3/1/78 ,
COMPLETED BY . A.MYRA110 i
TELEPHONE 612/20s.E151 ,
4
.I i OPERATING STATUS b
- 1. Unit Name: Monticello Notes
- 2. deportmg Period: Febmarv l 1670
.l. Licenwd Thermal Power (MWI):
- 4. Nameplate Rating (Grun Mhel. 569 ,
545.4-j 5. Design Electrical Rating (Net MWel:
l 6. Masimum Dependable Capacity (Gross MWel: 564 7 Masimum Dependahic Capacity (Net MWe): 536
- h. If Changes Occur in Capacity Ratine titems Number 3 Through 7) Since Last Report. Gise Reawne
! (Net MWel: N/A
- 9. Power Letel To Which Restricted.lf N Any/A i 10. Reasons For Restrictions,If Any.: ,
i j This Month Yr..to Date Cumulative 1
- 11. Hours in Reporting Period 672 1.416 5_8,441 1 l
l 12. Number Of Hours Resetor Was Critical 644.2 1.388.2 46.556 6
- 1.1. Reactor Resene Shutdown Hours 0.0 0.0 -940.7
- 14. Hours Generatm On.Line 630.3 1,374.3 45,151.7
- 15. Unit Resene Shutdown lluurs 0.0 0.0 0.0
)-
- 16. Cross Thermal Energy Generated (MWH) 974.500.8 2.207.824.8 75_.862.399.4
} 17. Gruss Electrical Energy Generated (MWH) . 334.120_. _ ,.. 756.750 23.129.440 ~
4
- 15. Net Electrical Energy Generated (MWH) 321.696 729'.302 22'.105.676
- 19. Unit Senice Factor 93.8% 97.1% 77.3%
I- 20. Unit Availabi:ity Facto, 93.8% - 97.lf . '7.3%
i l 21. Unit Capacity Factor IUsing MDC Neti 89.3% 96.1% 70.6%
. 2.' Unit Capacity Factor (Using DER Net)- 87 8% 94 4%- 69.4%
- - 23. Unit Forced Outage Rate 1.6% -0.7% 7.8%
- 21. Shutdowns Schedukd User Ne.st 6 Monthy(Type Date,and Duration of Each):
- Refueline Outane. October 16. 1978. 40 days
- 25. If Shut Down At End Of Report Period, Estimated Date of Startup: N/A
- 26. Units in Test Status (Prior to Commercial Operations N/A Forecast ~ Achieved
, INITI AL CRITICALITY r INITIA L ELECTRICITY
+
COMMERCI A L OPER ATION i
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- m A_-, . . -, ..A-, , - , . - _ . - . . ...,m - - _ . . , , _~m.... ..__,a=.,.. . , - . -
~
AVER 4CE D ALLY UNIT POWER LEVEL DOCKET NO. 50-263 i
3,IT hbnticello DATE 3/1/78
- COMPLETED fiY A. hhRABO TELEPl10NE MONTil FEBRUARY DAY AVER AGE DAILY POWER LEVEL DAY AVER AGE DAILY POWER LEVEL Olwe Net) i M w e.Neil i I 553 37 553 1
2 345 , ig 553 3 -5 in 497 4
221 20 547 5 379 2 549 6
484 550
- 22
- 7 RTt 23 217 8 538 -
2.s 400 9 541 25 494 10 540 545 26 11 546 -
27 549 d
12 516 551
-28 13 553 ,9 ,
14 553 30
} 15 ERO 3
! 16 553 4
INSTR UCTIONS .
On this format.hst the average daily umt power Icelin MWe Net for each day m the reporting month.(ompute to the nearest whole megawatt.
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- -- . . .-.. -. . . - . - . ~ . . -
l UNIT SilUTDOWNS AND POWER REDUCTIONS DOCKET NO. 50-263 UNIT NAME Mnrit i rel in DATE 1/1/7R REPORTMONTis February COMPLETED BY A- W rabo TELEPHONE 612/295-5151
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~,-!g E- ,E4 Ln.ensee g, s% Cause & Cusressive
- L. Date i 4 ise Event s2 s.E Action to
$5 5 j5g Report : A0 j' Presen: Recurrent'e 6
1 770202 F 31.4 A 1 78-02-01-T SA VALVEX Rod sequence exchange and repair /
inspection of torus vacuum breaker (stuck open).. All torus vacuta breakers tested and adjusted.
2 770223 F 10.3 -A- 3 N/A IIF ZZZZZE Reactor scram on low condenser
. . vacuum caused by both circulating water pumps tripping from spurious flood protection system signal.
Flood protection system deactivated for further testing.
1 2 .
1 4 i' Fueced Reaom: . \tethod : Exhibis G - Insieuiti ms S Sched ufes! A l~quipment FailureIExplaml ! \tanual for Prep.iratum of Dara B. Maintenance of Test 2-Manual Scram. Entry Sheets fe: Ixemcc ,
C. Refueling .
4 Aufum iic S, ram. Esent Repori LI RI File INURE G-D-Regulatos) Restiiction . LOther i E splaml 01616 ' t 1 Operator Training & Litenw 1%aminaiam F4dnunistrati.c - 5
- G-Operational Es roe ILsplaml Estubit I - Same Source
' p8!77) Il-Other t (Nplain t i ,