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Category:MONTHLY OPERATING ANALYSIS REPORT
MONTHYEARBVY-99-127, Monthly Operating Rept for Sept 1999 for Vermont Yankee Nuclear Power Station.With1999-09-30030 September 1999 Monthly Operating Rept for Sept 1999 for Vermont Yankee Nuclear Power Station.With BVY-99-112, Monthly Operating Rept for Aug 1999 for Vermont Yankee.With1999-08-31031 August 1999 Monthly Operating Rept for Aug 1999 for Vermont Yankee.With BVY-99-102, Monthly Operating Rept for July 1999 for Vermont Yankee. with1999-07-31031 July 1999 Monthly Operating Rept for July 1999 for Vermont Yankee. with BVY-99-090, Monthly Operating Rept for June 1999 for Vermont Yankee Nuclear Power Station.With1999-06-30030 June 1999 Monthly Operating Rept for June 1999 for Vermont Yankee Nuclear Power Station.With BVY-99-077, Monthly Operating Rept for May 1999 for Vermont Yankee Nuclear Power Station.With1999-05-31031 May 1999 Monthly Operating Rept for May 1999 for Vermont Yankee Nuclear Power Station.With BVY-99-068, Monthly Operating Rept for Apr 1999 for Vynp.With1999-04-30030 April 1999 Monthly Operating Rept for Apr 1999 for Vynp.With BVY-99-046, Monthly Operating Rept for Mar 1999 for Vermont Yankee Nuclear Power Station.With1999-03-31031 March 1999 Monthly Operating Rept for Mar 1999 for Vermont Yankee Nuclear Power Station.With BVY-99-035, Monthly Operating Rept for Feb 1999 for Vermont Yankee Nuclear Station.With1999-02-28028 February 1999 Monthly Operating Rept for Feb 1999 for Vermont Yankee Nuclear Station.With BVY-99-001, Monthly Operating Rept for Dec 1998 for Vermont Yankee Nuclear Power Station1998-12-31031 December 1998 Monthly Operating Rept for Dec 1998 for Vermont Yankee Nuclear Power Station BVY-98-163, Monthly Operating Rept for Nov 1998 for Vermont Yankee Nuclear Power Station.With1998-11-30030 November 1998 Monthly Operating Rept for Nov 1998 for Vermont Yankee Nuclear Power Station.With BVY-98-154, Monthly Operating Rept for Oct 1998 for Vermont Yankee Nuclear Power Station.With1998-10-31031 October 1998 Monthly Operating Rept for Oct 1998 for Vermont Yankee Nuclear Power Station.With BVY-98-149, Monthly Operating Rept for Sept 1998 for Vermont Yankee Nuclear Power Station.With1998-09-30030 September 1998 Monthly Operating Rept for Sept 1998 for Vermont Yankee Nuclear Power Station.With BVY-98-135, Monthly Operating Rept for Aug 1998 for Vermont Yankee Nuclear Power Station.With1998-08-31031 August 1998 Monthly Operating Rept for Aug 1998 for Vermont Yankee Nuclear Power Station.With BVY-98-122, Monthly Operating Rept for July 1998 for Vermont Yankee Nuclear Power Station1998-07-31031 July 1998 Monthly Operating Rept for July 1998 for Vermont Yankee Nuclear Power Station BVY-98-098, Monthly Operating Rept for June 1998 for Vermont Yankee Nuclear Power Station1998-06-30030 June 1998 Monthly Operating Rept for June 1998 for Vermont Yankee Nuclear Power Station BVY-98-081, Monthly Operating Rept for May 1998 for Vermont Yankee Nuclear Power Station1998-05-31031 May 1998 Monthly Operating Rept for May 1998 for Vermont Yankee Nuclear Power Station BVY-98-068, Monthly Operating Rept for Apr 1998 for Vermont Yankee Nuclear Power Station1998-04-30030 April 1998 Monthly Operating Rept for Apr 1998 for Vermont Yankee Nuclear Power Station BVY-98-053, Monthly Statistical Rept for Mar 1998 for Vynp1998-03-31031 March 1998 Monthly Statistical Rept for Mar 1998 for Vynp ML20248L1581998-02-28028 February 1998 Monthly Operating Rept for Feb 1998 for Vermont Yankee Nuclear Power Station ML20217M7801998-01-31031 January 1998 Monthly Operating Rept for Jan 1998 for Vynp Station ML20198L6111997-12-31031 December 1997 Monthly Operating Rept for Dec 1997 for Vynp Station BVY-97-161, Monthly Operating Rept for Nov 1997 for Vermont Yankee Nuclear Power Station1997-11-30030 November 1997 Monthly Operating Rept for Nov 1997 for Vermont Yankee Nuclear Power Station BVY-97-145, Monthly Operating Rept for Oct 1997 for Vermont Yankee Nuclear Power Station1997-10-31031 October 1997 Monthly Operating Rept for Oct 1997 for Vermont Yankee Nuclear Power Station BVY-97-126, Monthly Operating Rept for Sept 1997 for Vermont Yankee Nuclear Power Station1997-09-30030 September 1997 Monthly Operating Rept for Sept 1997 for Vermont Yankee Nuclear Power Station BVY-97-111, Monthly Operating Rept for Aug 1997 for Vermont Yankee Nuclear Power Station1997-08-31031 August 1997 Monthly Operating Rept for Aug 1997 for Vermont Yankee Nuclear Power Station BVY-97-098, Monthly Operating Rept for Jul 1997 for Vermont Yankee Nuclear Power Station1997-07-31031 July 1997 Monthly Operating Rept for Jul 1997 for Vermont Yankee Nuclear Power Station BVY-97-088, Monthly Operating Rept for June 1997 for Nynps1997-06-30030 June 1997 Monthly Operating Rept for June 1997 for Nynps BVY-97-074, Monthly Operating Rept for May 1997 for Vermont Yankee Nuclear Power Station1997-05-31031 May 1997 Monthly Operating Rept for May 1997 for Vermont Yankee Nuclear Power Station BVY-97-059, Monthly Operating Rept for Apr 1997 for Vermont Yankee Nuclear Station1997-04-30030 April 1997 Monthly Operating Rept for Apr 1997 for Vermont Yankee Nuclear Station BVY-97-042, Monthly Operating Rept for Mar 1997 for Vermont Yankee Nuclear Power Station1997-03-31031 March 1997 Monthly Operating Rept for Mar 1997 for Vermont Yankee Nuclear Power Station BVY-97-033, Monthly Operating Rept for Feb 1997 for Vermont Yankee Power Station1997-02-28028 February 1997 Monthly Operating Rept for Feb 1997 for Vermont Yankee Power Station BVY-97-021, Monthly Operating Rept for Jan 1997 for VYNPS1997-01-31031 January 1997 Monthly Operating Rept for Jan 1997 for VYNPS BVY-97-001, Monthly Operating Rept for Dec 1996 for Vermont Yankee Nuclear Power Station1996-12-31031 December 1996 Monthly Operating Rept for Dec 1996 for Vermont Yankee Nuclear Power Station BVY-96-154, Monthly Operating Rept for Nov 1996 for Vermont Yankee Nuclear Power Station1996-11-30030 November 1996 Monthly Operating Rept for Nov 1996 for Vermont Yankee Nuclear Power Station BVY-96-138, Monthly Operating Rept for Oct 1996 for Vermont Yankee Nuclear Power Station1996-10-31031 October 1996 Monthly Operating Rept for Oct 1996 for Vermont Yankee Nuclear Power Station BVY-96-114, Monthly Operating Rept for Sept 1996 for Vynp1996-09-30030 September 1996 Monthly Operating Rept for Sept 1996 for Vynp BVY-96-103, Monthly Operating Rept for Aug 1996 for Vermont Yankee Nuclear Power Station1996-08-31031 August 1996 Monthly Operating Rept for Aug 1996 for Vermont Yankee Nuclear Power Station BVY-96-095, Monthly Operating Rept for July 1996 for VT Yankee Nuclear Power Station1996-07-31031 July 1996 Monthly Operating Rept for July 1996 for VT Yankee Nuclear Power Station BVY-96-087, Monthly Operating Rept for June 1996 for Vermont Yankee Nuclear Power Station1996-06-30030 June 1996 Monthly Operating Rept for June 1996 for Vermont Yankee Nuclear Power Station BVY-96-072, Monthly Operating Rept for May 1996 for Vermont Yankee Nuclear Power Station1996-05-31031 May 1996 Monthly Operating Rept for May 1996 for Vermont Yankee Nuclear Power Station BVY-96-057, Monthly Operating Rept for Apr 1996 for VT Yankee Power Station1996-04-30030 April 1996 Monthly Operating Rept for Apr 1996 for VT Yankee Power Station BVY-96-041, Monthly Operating Rept for Mar 1996 for Vynp1996-03-31031 March 1996 Monthly Operating Rept for Mar 1996 for Vynp BVY-96-018, Monthly Statistical Rept for Feb 1996 for VT Yankee Nuclear Power Station1996-02-29029 February 1996 Monthly Statistical Rept for Feb 1996 for VT Yankee Nuclear Power Station BVY-96-009, Monthly Operating Rept for Jan 1996 for Vermont Yankee Nuclear Power Station1996-01-31031 January 1996 Monthly Operating Rept for Jan 1996 for Vermont Yankee Nuclear Power Station BVY-96-001, Monthly Operating Rept for Dec 1995 for Vermont Yankee Nuclear Power Station1995-12-31031 December 1995 Monthly Operating Rept for Dec 1995 for Vermont Yankee Nuclear Power Station ML20095F6601995-11-30030 November 1995 Last Page of Monthly Operating Rept for Nov 1995 for Vermont Yankee BVY-95-131, Monthly Operating Rept for Nov 1995 for Vermont Yankee Nuclear Power Station1995-11-30030 November 1995 Monthly Operating Rept for Nov 1995 for Vermont Yankee Nuclear Power Station BVY-95-118, Monthly Operating Rept for Oct 1995 for Vynp1995-10-31031 October 1995 Monthly Operating Rept for Oct 1995 for Vynp BVY-95-106, Monthly Operating Rept for Sept 1995 for Vynp1995-09-30030 September 1995 Monthly Operating Rept for Sept 1995 for Vynp ML20092F5901995-08-31031 August 1995 Monthly Operating Rept for Aug 1995 for Vermont Yankee Nuclear Station 1999-09-30
[Table view] Category:TEXT-SAFETY REPORT
MONTHYEARML20217L8831999-10-21021 October 1999 Safety Evaluation Supporting Proposed Alternatives to Code Requirements Described in RR-V17 & RR-V18 ML20217G2041999-10-13013 October 1999 Safety Evaluation Supporting Amend 179 to License DPR-28 BVY-99-127, Monthly Operating Rept for Sept 1999 for Vermont Yankee Nuclear Power Station.With1999-09-30030 September 1999 Monthly Operating Rept for Sept 1999 for Vermont Yankee Nuclear Power Station.With ML20212C2551999-09-17017 September 1999 Safety Evaluation Supporting Amend 175 to License DPR-28 BVY-99-112, Monthly Operating Rept for Aug 1999 for Vermont Yankee.With1999-08-31031 August 1999 Monthly Operating Rept for Aug 1999 for Vermont Yankee.With BVY-99-109, Ro:On 990812,stack Ng Effluent Instrumentation for PAM Was Declared Oos.Caused by Instrument Drift Due to Electronic Components Based on Insps by Instrumentation & Controls Dept.Detector & Preamplifier Will Be Replaced on 9908311999-08-19019 August 1999 Ro:On 990812,stack Ng Effluent Instrumentation for PAM Was Declared Oos.Caused by Instrument Drift Due to Electronic Components Based on Insps by Instrumentation & Controls Dept.Detector & Preamplifier Will Be Replaced on 990831 BVY-99-102, Monthly Operating Rept for July 1999 for Vermont Yankee. with1999-07-31031 July 1999 Monthly Operating Rept for July 1999 for Vermont Yankee. with ML20209J0081999-07-14014 July 1999 Special Rept:On 990615,diesel Driven Fire Pump Failed to Achieve Rated Flow of 2500 Gallons Per Minute.Pump Was Inoperable for Greater than 7 Days.Corrective Maint Was Performed to Reset Pump Lift Setting BVY-99-090, Monthly Operating Rept for June 1999 for Vermont Yankee Nuclear Power Station.With1999-06-30030 June 1999 Monthly Operating Rept for June 1999 for Vermont Yankee Nuclear Power Station.With ML20196G5071999-06-23023 June 1999 Vynp Assessment of On-Site Disposal of Contaminated Soil by Land Spreading BVY-99-077, Monthly Operating Rept for May 1999 for Vermont Yankee Nuclear Power Station.With1999-05-31031 May 1999 Monthly Operating Rept for May 1999 for Vermont Yankee Nuclear Power Station.With BVY-99-068, Monthly Operating Rept for Apr 1999 for Vynp.With1999-04-30030 April 1999 Monthly Operating Rept for Apr 1999 for Vynp.With ML20206E8741999-04-29029 April 1999 SER Determined That Flaw Evaluation Meets Rules of ASME Code & Assumed Crack Growth Rate Adequate for Application ML20206D9301999-04-27027 April 1999 1999 Emergency Preparedness Exercise 990427 Exercise Manual (Plume Portion) ML20205S4211999-04-16016 April 1999 Non-proprietary Version of Revised Page 4-3 of HI-981932 Technical Rept for Vermont Yankee Spent Fuel Pool Storage Expansion ML20205K7581999-04-0707 April 1999 Safety Evaluation Supporting Alternative Proposal for Reexamination of Circumferential Welds with Detected Flaw Indications in Plant RPV BVY-99-046, Monthly Operating Rept for Mar 1999 for Vermont Yankee Nuclear Power Station.With1999-03-31031 March 1999 Monthly Operating Rept for Mar 1999 for Vermont Yankee Nuclear Power Station.With ML20205F6631999-03-0404 March 1999 Jet Pump Riser Weld Leakage Evaluation BVY-99-035, Monthly Operating Rept for Feb 1999 for Vermont Yankee Nuclear Station.With1999-02-28028 February 1999 Monthly Operating Rept for Feb 1999 for Vermont Yankee Nuclear Station.With ML20205P8241999-02-28028 February 1999 Rev 2 to Vermont Yankee Cycle 20 Colr ML20203H9881999-02-18018 February 1999 SER Accepting Alternative to 10CFR50.55a(g)(6)(ii)(A) Augmented Reactor Vessel Exam at Vermont Yankee Nuclear Power Station.Technical Ltr Rept Encl ML20203A6951999-02-0404 February 1999 Revised Rev 2,App B to Vermont Yankee Operational QA Manual (Voqam) ML20199K7151999-01-21021 January 1999 Corrected Safety Evaluation Supporting Amend 163 Issued to FOL DPR-28.Pages 2 & 3 Required Correction & Clarification ML20199K6991999-01-20020 January 1999 Safety Evaluation Concluding That Request to Use YAEC-1339, Yankee Atomic Electric Co Application of FIBWR2 Core Hydraulics Code to BWR Reload Analysis, at Vermont Yankee Acceptable ML20199L5951999-01-14014 January 1999 Safety Evaluation Accepting Licensee Proposed Alternative to Code Requirement,Described in Rev 2 to Pump Relief Request RR-P10 Pursuant to 10CFR50.55a(a)(3)(i) BVY-99-071, Corp 1998 Annual Rept. with1998-12-31031 December 1998 Corp 1998 Annual Rept. with BVY-99-001, Monthly Operating Rept for Dec 1998 for Vermont Yankee Nuclear Power Station1998-12-31031 December 1998 Monthly Operating Rept for Dec 1998 for Vermont Yankee Nuclear Power Station ML20198H5481998-12-23023 December 1998 Rev 2 to Vermont Operational QA Manual,Voqam ML20196H8641998-12-0101 December 1998 Cycle 19 Operating Rept BVY-98-163, Monthly Operating Rept for Nov 1998 for Vermont Yankee Nuclear Power Station.With1998-11-30030 November 1998 Monthly Operating Rept for Nov 1998 for Vermont Yankee Nuclear Power Station.With ML20195C4161998-11-0909 November 1998 SER Accepting Request That NRC Approve ASME Code Case N-560, Alternative Exam Requirement for Class 1,Category B-J Piping Welds BVY-98-154, Monthly Operating Rept for Oct 1998 for Vermont Yankee Nuclear Power Station.With1998-10-31031 October 1998 Monthly Operating Rept for Oct 1998 for Vermont Yankee Nuclear Power Station.With ML20155B6471998-10-26026 October 1998 Safety Evaluation Accepting Jet Pump Riser Insp Results & Flaw Evaluation,Conducted During 1998 Refueling Outage ML20154N0891998-10-16016 October 1998 Rev 1 to Vermont Operational QA Program Manual (Voqam) ML20154B6951998-10-0101 October 1998 SER Re Licensee Response to GL 95-07, Pressure Locking & Thermal Binding of Safety-Related Power-Operated Gate Valves, for Vermont Yankee Nuclear Power Station BVY-98-149, Monthly Operating Rept for Sept 1998 for Vermont Yankee Nuclear Power Station.With1998-09-30030 September 1998 Monthly Operating Rept for Sept 1998 for Vermont Yankee Nuclear Power Station.With ML20239A1361998-09-0202 September 1998 SER Re License Request for NRC Review & Concurrence W/Changes to NRC-approved Fire Protection Program BVY-98-135, Monthly Operating Rept for Aug 1998 for Vermont Yankee Nuclear Power Station.With1998-08-31031 August 1998 Monthly Operating Rept for Aug 1998 for Vermont Yankee Nuclear Power Station.With ML20151U0361998-08-28028 August 1998 Non-proprietary Rev 1 to Holtec Rept HI-981932, Vermont Yankee Nuclear Power Station Spent Storage Expansion Project ML20237E9221998-08-20020 August 1998 Vynp 1998 Form NIS-1 Owners Summary Rept for ISI, 961103-980603 BVY-98-122, Monthly Operating Rept for July 1998 for Vermont Yankee Nuclear Power Station1998-07-31031 July 1998 Monthly Operating Rept for July 1998 for Vermont Yankee Nuclear Power Station ML20205F6491998-07-31031 July 1998 Rev 1 to GE-NE-B13-01935-02, Jet Pump Assembly Welds Flaw Evaluation Handbook for Vermont Yankee ML20236G0011998-06-30030 June 1998 Individual Plant Exam External Events BVY-98-098, Monthly Operating Rept for June 1998 for Vermont Yankee Nuclear Power Station1998-06-30030 June 1998 Monthly Operating Rept for June 1998 for Vermont Yankee Nuclear Power Station ML20248C5081998-05-31031 May 1998 Rev 2 to 24A5416, Supplemental Reload Licensing Rept for Vermont Yankee Nuclear Power Station Reload 19 Cycle 20 ML20248C4951998-05-31031 May 1998 Rev 1 to Vermont Yankee Nuclear Power Station Cycle 20 Colr BVY-98-081, Monthly Operating Rept for May 1998 for Vermont Yankee Nuclear Power Station1998-05-31031 May 1998 Monthly Operating Rept for May 1998 for Vermont Yankee Nuclear Power Station ML20247J8341998-05-31031 May 1998 Peak Suppression Pool Temp Analyses for Large Break LOCA Scenarios, for May 1998 ML20247G4001998-05-12012 May 1998 Interview Rept of Ej Massey ML20247E6351998-04-30030 April 1998 Rev 1 to GE-NE-B13-01935-LTR, Jet Pump Riser Welds Allowable Flaw Sizes Ltr Rept for Vermont Yankee 1999-09-30
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Text
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VERMONY YANKEE NUCLEAR POWER STATION MONTHLY STATISTICAL REPORT 78-9 FOR THE MONTH OF SEPTEMBER, 1978 I
T I ,
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7Crtot7 oj f f x
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OPERATING DATA REPORT
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i 50-271 i
DOCKET NO. ~
- DATE 781012
. COMPLETED BY R M- Sioeren i TELEPHONE (6171366-9011X2281 t ,
i OPERATING STATUS i
Notes
- 1. Unit Name: Vermont Yankee
- 2. Reporting Period:
Sentember, 1978 1593
- 3. Licensed Thermal Power (MWt):
- 4. Nameplate Rating (Gross MWe):
540
- 5. Design Electrical Rating (Net MWe):
514 (open cycle) 504 losed
- 6. Maximum Dependable Capacity (Gross MWe): 535 504
- 7. Maximum Dependable Capacity (Net MWe):
- 8. If Changes Occur in Capacity Ratings (Items Number 3 Through 7) Since Last Report Gise Reasons:
(. -
- 9. Power Level To Which Restricted,if Any(Net MWe): None
- 10. Reasons For Restrictions,if Any: N/A
. This Month Yr to.Date Cumulative .
s .
I
- 11. Hours in Reporting Period 720 6.551 52,825.75
- 12. Number Of Hours Reactor Was Critica] 363 5.106.25 42,142.11
- 13. Reactor Reserve Shutdown Hours 0 0 0-
- 14. Hours Generator on.Line ,
362 5,018 . 40,466 0 0 0 .
- 15. Unit Reserve Shutdown Hours
- 16. Gross Thermal Energy Generated (MWH) 530,615.'5 7,613,080.5 55,954,223 i
('
- 17. Gross Electrical Energy Generated ($WH) 174.880 ' , _ ,
2.570.214 18.514,924
- 18. Net Electrical Energy Generated (MWH) 163,623 2,449,505 17,528,338
- '50.3 76.6 76.6
- 19. Unit Service Factor
- 20. Unit Availability Factor 50.3 76.6 76.6
- 21. Unit Capacity Factor (Using MDC Net) 45.1 74.2 65.8
- 22. Unit Capacity Factor (Using DER Net) 42.2 72.7 64.6
- 23. Unit Forced Outage Rate 0 18.5 7.0
- 24. Shutdowns Scheduled Oser Next 6 Months (Type.Date,and Duration of Each):
October 12, 1978
- 25. If Shut Down At End Of Report Period. Estimated Date of Startup:
- 26. Units in Test Status (Prior to Commercial Operation): Forecast Achieved
,- INITIA L CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION (9/77)
u . .
..o . ..
AVERAGE DAILY UNIT POWER LEVEL l
f .
I DOCKET NO. 50-271 i
UNIT Vermont Yankee DATE 781012 COMPLETED BY R.M. Siocren TELEPHONE (617)366-9011X2281 AIONTH September, 1978 DAY AVERAGE DAILY POWER LEVEL DAY AVER AGE DAILY POWER LEVEL (MWe-Net) (MWe Net!
I 465 17 0
( '
2 464 3' 457 39 4 461 20 5 460 yj 6 M6 22
{'
7 454 23 g 460 458 9
456
=l 10 26 3g 449 27 448 g ,- 28 13 453 g '
g4 450 30 I
15 3g V
7 16 INSTRUCTIONS On this format. fist the aserage daily unit power levelin MWe Net for each day in the reporting month. Compute to the nearest whole megawait.
(9/77 )
'O
.-m .
) . ,' 't DOCKET NO. 50-271 .
UNIT Sil01 DOWNS AND POWER REDUCTIONS '
UNIT NAME Vermont Yankee DATE 781012 COMPLETED BY R.M. Sionren REPORT MONTil o ntember. 1978 TELEPilONE (617T366-9011 X2281
, .$g };; E I.icensec [ t, o Cause & Corrective No. Date Q 5g osy Event 3,7 gU3 Action to F
fE 5 3gc Report er un U U
o Prevent Recurrence Q
f s 78-17 78091S S 358 C 1 NA RCA FUELXX NA t
i f
I l 1 2 3 4 F: Forced Reason: Method: Exhibit G -Instructions S: Scheduleil A. Equipment Failure (Explain) 1 Manual for Preparation of Data H. Maintenance of Test 2-Manual Scram. Entry Sheets for Licensee C Refueling 3 Automatic Scram. Event Reporn (1.ER) File (NUREG-D Regulatory Rcstriction 4 Other (Explain) 0161) l E-Operator Training & License Examination :
F-Administ rative $
G Operational Eiror (Exp;ain) Exhibit I Same Source (9/77) ll Olher (Explain)
I i E t
r n IX)CKET NO. 50-271 UNIT Vermont Yankee DATE 781012 C0!!PLETED BY R. M. Sincren TELEPil0NE (6171 366-9011 X2281-SAFETY RELATED MAINTENANCE NATURE OF LliR OR OUTAGli MALI; UNCTION
.EQUIPf1ENT MAlf1TENANCE NUf!BER CAUSL RLSULT CORRECTIVE ACTION "B" Service Water Pump Preventive Outage Normal Maintenance NA Replace Worn Parts and-MR 78-948 78-6 Inspection Rebuild as Necessary Refuel Crane Corrective Out'a'ge Pinched Cable Flattened Cable Replaced Cable MR 78-956 78-6 Refuel Floor fa Reactor Corrective butage Failed Power Monitor Failed Replace Power Supply Building Ventilation MR 78-958 78-6 Supply Down Scale 5
Monitor .
t IIPCI Pump Corrective Outage Failed Seal Leakage Replaced Seal MR 78-487 78-6 U'S-1A Feeder Breaker Corrective Outage Bent Bracket Misaligned Breake - Strengthened Bracket- .
6C on Bus 9 MR 78-709 78-6 Sleeve l
l "B" Diesel Generator Corrective Outage Loose and/or Dirty Sluggish Control Tightened and Cleaned Voltage Control MR 78-71S 78-6 Components Components ,
l 4
Service Water Strainer Corrective Outage Clogged Strainer Strainer Cannot Removed and Cleaned Strainct 1-A MR 78-748 78-6 Be Backwashed l i
l q Page 2
UNIT Vermont Yankee DATE 781012 C0!!PI,ETED BY R. M. Sjogren TELEP110NE (617) 366-9011 X2281 .
SAFETY RELATED PIAI?ffENANCE NATURE OF LER OR OtfrAGE MALFUNCTION i EQUIP:1ENT PIAINTENANCE NUf1BER CAUSh RESULT CORRECTIVE ACTION "B" RilR Service Water Corrective -
Outage Failed Shaft Seal Leakage Replaced Parts as Pump MR 78-805 78-6 Necessary -
"B" Station Battery Corrective NA tow liigh Voltage Alarm Reset fligh Voltage Charger MR 78-843 Alarm Trip Setting Alarm Trip s
Containment Air System Corrective LER Dirt 6 Corrosion Leakage Past Valve Cleaned As Necessary Check Valves V72-89B MR 78-855 78-25/3L Seat 6C '
RCIC Steam Line Drain Corrective Outage Failed Packing Leakage Repacked Valve 2
Valve V800B MR 78-872 78-6
- RilR Valves V10-26A and Corrective Outage Failed Gaskets Leakage Replaced Gaskets V10-31A MR 78-901 78-6 LPRM Card SD-40-25 Corrective Outage Failed Potentiome- Could Not Adjust Replaced Potentiometer MR 78-903 78-6 ter Trip Setting
, "B" RliR Service Water Corrective Outage Clogged Strainer liigh DP Cleaned Strainer !
Pump Strainer MR 78-911 78-6 l Refuel Crane Corrective Outage Pinched Cable Frayed Cable Replaced Cable MR 78-941 78-6 i
A Diesel Generator Corrective Outage Lodse Fitting Fuel Oil Leak Tightened Fitting ,
MR 78-943 78-6 i
. i ,
DOCKET NO. 50-271 UNIT Vermont Yankee DATE 7R1012 COMPLETED BY R. M. Siocren TELEPHONE (617) 366-9011 X2281 REPORT MONTH September, 1978 s
SUMMARY
OF OPERATING EXPERIENCES Highlights Vermont Yankee operated for 15 of 30 days in the report period. For the entire month of September, the plant operated at an average of 46.3's of rated thermal power. Gross electrical generation for the month was 174,880 MWHe, or 45*. of design electrical capacity. On September 16th, the plant shut down for refueling.
Operation Summary The follawing is a chronological description of plant operations, including other pertinent items of interest for the month:
9-1 At the beginning of this report period, the plant was operating at 95*, power, in the process of coastdown
(' for the refu'eling outage.
9-15 At 2200 hours0.0255 days <br />0.611 hours <br />0.00364 weeks <br />8.371e-4 months <br />, a Rear. tor Shutdown was initiated ia order to commence with the refueling.
9-30 At the end of this -eport period, the plant was in the shutdown mode as the refueling outage continued.
-