ML19339C550: Difference between revisions
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l VERMONT YANKEE NUCLEAR POWER STATION MONTHLY STATISTICAL REPORT 50-10 FOR THE MONTH OF OCTOBER, 1980 s | |||
l l | |||
55100 ' | |||
l | |||
1 l | |||
l OPERATING DATA REPORT 00CKET NO. 50-271 DAIE 801111 CCMPLETED BY F.C. Beers TELEPHONE 617-366-8811, X2215 OPERATING STATUS Notes | |||
: 1. 'init Name: Vermont Yankee | |||
: 2. Reporting Period: October | |||
: 3. Licensed Thermal Power (MWt): 1593 | |||
: 4. Naseplate Rating (Gross MWe): 540 | |||
: 5. Design Electrical Rating (Net MWe): 514 (open)504 (closeil) | |||
: 6. Maximum Oependable Capacity (Gross MWe): 535 | |||
: 7. Maxi =ue Depenfable Capacity (Net MWe): 504 | |||
: 8. If C .anges Occur in Capacity Ratings (!te=s Nu=ber 3 Through 7)Since Last Report, Give Reascns: | |||
: 9. Power Level to Which Restricted,If Any(Net >Me): | |||
: 10. Peascns For Restrictions, If Any: | |||
This Month Yr-to-Date Cuculative | |||
: 11. Hours In Reporting ?eriod 745.00 7,320.00 | |||
: 12. Number Of Hours Reacter Was Critical 0.00 6,266.89 57,425.28 | |||
: 13. Raactor Reserve Shutdown Hours 0.00 0.00 0.00 | |||
: 14. Hours Generator On-Line 0.00 6,200.00 55,527.88 | |||
: 15. Unit Reserve Shutdown Hours 0.00 0.00 0.00 | |||
: 16. Cross Thermal Energy Generated (MWH) 0.00 9,347,971.00 78,572,584.00 | |||
: 17. Gross Electrical Energy Generated (MWH) 0.00 3,136,006.00 26,105,676.00 | |||
: 18. Net Electrical Energy Generated (MWH) 0.00 2,972,808.00 24,741,173.00 | |||
: 19. Unit Service Factor 0.00 84.70 78.08 | |||
: 20. Unit Availability Factor 0.00 84.70 78.08 | |||
: 21. Unit Capacity Factor (Using MDC Net) 0.00 80.58 69.03 , | |||
: 22. Unit Capacity Factor (Using DER Net) 0.00 79.01 67.68 l | |||
: 23. Unit Forced Outage Rate 0.00 1.85 *6.02 l | |||
: 24. Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each): l i | |||
Refueling in progress, QLast month's report was incorrect. Item 23 should have been 6.02. nor 6.40. l | |||
: 25. If Shut Down At End Of Report Period, Estimated Late of Startup: Early December | |||
: 26. Units In Test Status (Prior to Cc=mercial Operation): Forecast Achieved INITIAL CRITICALITY INITIAL ELECTRICITY CCFCERCIAL OPERATION | |||
AVERAGE DAILY UNIT POWER LEVEL DOCY2T NO. 50-271 UNIT Vermont Yankee DATE 801111 COMPLETED BY F. J. Burger TELEPHONE 802-257-7711, X 137 MONTH October DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL | |||
., (MWe-Net) (MWe-Net) | |||
: 1. 0 17. 0 | |||
: 2. 0 18. O i 3. 0 19, 0 i | |||
: 4. 0 20. 0 | |||
: 5. 0 21. 0 | |||
: 6. 0 22. O s | |||
: 7. 0 23. 0 0 O | |||
: 8. 24 t | |||
: 9. 0 25. 0 | |||
: 10. 0 26. 0 | |||
: 11. 0 27. 0 | |||
: 12. 0 28. 0 | |||
: 13. 0 29. 0 | |||
: 14. 0 30. 0 | |||
: 15. 0 31. 0 | |||
: 16. O INSTRUCTIONS-On this format, list the average daily unit power level in MWe-Net. for each day in the reporting month. Compute to the nearest whole megawatt. | |||
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a = | |||
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=, n y .u - g $ q | |||
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~ 3 4 .Mi E n m o N Pt *< | |||
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a 9 | |||
0 | |||
- - + , - - ~ , | |||
DOCKET NO. 50-271 , | |||
UNIT vermnat..Yankaa DATE 801111 CottPLETED BY FJ J urger TELEP110NE 802-257-7711 X 13Z___ | |||
r e | |||
SAFETY RELATED itAINTENANCE_ | |||
Page 1 of 6 i | |||
. NATURE OF , !!ALFUNCTION | |||
; EQUIPMENT MAINTENANCE tHIM11ER (' AtlS E RESIILT CORRECTIVE ACTION li"s Standby Liquid Control Corrective N/A Construction Arc Pitting of the Repaired by Welding Line, SLC-9 MR 80-186 Strike Pipe but not Below Minimum t Wall Thickness MS2V 80 A Preventive ,N/A Worn Guide Rods and Potential Sticky Replaced Guide Rods MR 80-249 Springs on Valve Operation and Springs Actuator | |||
- IIPCI Pump, P 44-1A Corrective N/A Vibration Oil Line Leakage Repaired by Welding MR 80-403 but Pump Operabic Scram Solenoids, 18-19 and Corrective N/A Normal Operation Noisy Solenoids Replaced Solenoids 10-07 MR 80-484 and 80-485 Respectively | |||
, HPCI Pump, P 44-1A Corrective N/A Normal Operation Seal Leakage Replaced Outboard Pump MR 80-703 Seal Control Rod 14-11 Corrective N/A Normal Wear Sticky Relay Replaced Relay Relay 3A-K12 MR 80-731 RWCU Valve V12-19A Corrective N/A Worn Parts Leakage Replaced Seal Ring & | |||
HR 80-733 Repacked Valve l | |||
DOCKET NO. 50-271 . | |||
l! NIT Vermont Yankee DATE 801111 COMPLETED BY F.J. Burger TELEril0NE 802-257-7711 X 137 P | |||
SAFETY RELAT_ED !!A f NTENANCE _ | |||
Page 2 of 6 LER OR OUTAGE | |||
"^ I' " | |||
EQllIPMENT MAINTENANCE NIIMBER EAllSE RESilLT CORRECTIVE ACTION - | |||
Control Rod Drive llCU 26-35 Corrective N/A Worn Parts Leakage Replaced Accumulator MR 80-760 "A" RHR Pump Discharge Corrective N/A Worn Parts Leakage Repaired by Welding Chrck Valve V10-48A MR 80-914 "A" RWCU Pump Corrective N/A Worn Parts Seal Leakage | |||
* Replaced Seal MR 80-922 IIPCI Isolation Valve Corrective N/A Vibration Intermittent Adjusted Position v23-15 Position Indication MR 80-935 Indication Indication Switch i "b" SBGT Train Preventive N/A N/A N/A Changed out Charcoal MR 80-937 Cartridge In Test Cel LPRM 08-33A Corrective N/A Loose Power Supply Pailed LPRM Rescated Power Supply MR 80-945 Module Module IRM's C & D Corrective N/A Loose Connectica Erratic Indica- Replaced Connector MR 80-961 - | |||
tion llPCI Valve V23-19 Corrective N/A Vibration Loss of Indica- Adjusted Position Position Indication MR 80-969 tion Indication Switch 4 | |||
"A" Service Water Preventive N/A N/A N/A Inspected & Overhaule. | |||
Pump, P7-1A MR 80-974 Pump | |||
DOCKET NO. 50-271 . | |||
UNIT Vermont Yankee DATE 801111 COMPLETED BY F . .I . Burger TELEPIIONE 802-257-7711 X 137 r | |||
SAFETY RELATElj llAINTENAlHL Page 3 of 6 NATURE OF MALFUNCTION R OR OU' RACE EQUIPMENT MAINTENANCE NUMBER C USE RESULT CORRECTIVE ACTION CAD Valve VG-22B Corrective N/A Normal Wear Leakage Lapped Plug & Seat MR 80-981 .. | |||
Installed New Caskets Drywell Floor Drain Valve Corrective N/A Dirt & Corrosion Leakage Disassembled and V20-83 MR 80-984 Cleaned Valve Containment Sampling Valve Corrective N/A Worn Parts Leakage Replaced Disc Assembl FSO-76-A MR 80-987 Shock Suppressor MS-24 Corrective LER Worn Parts Fluid Leakage Replaced Seals and MR 80-989 80-31/3L Orfico Block RCIC Valve V 13-15 Corrective N/A Warn Parts Leakage Replaced Bonnet Seal MR 80-993 & Repacked Valve Shock Suppressor CU-2 Corrective N/A Vibration Loose Pipe Clamp, Tightened Nut MR 80-998 Snubber Operable Core Spray Valve V14-5B Corrective N/A Vibration / Wear Broken Valve Replaced Bolt l Valve Operator MR 80-1008 Operator Mount-ing Bolt HPCI Valve V23-18 Corrective N/A Worn Packing Leakage Repacked Valve MR 80-1025 RCIC Valve V13-22 Corrective N/A Worn Packing Leakage Repacked Valve MR 80-1026 | |||
DOCKET No. 50-171 6 | |||
UNIT Vermont Yankee DATE 80111L C0!!PLETEI) BY F.J. Burger TELEPIIONE 802-257-7711 X 137 r | |||
SAFETY REI.ATED MAINTENANCE | |||
'Page 4 of 6 NATURE OF MALFUNCTION ER OR OUTAGE EQUIPMENT MAINTENANCE NUffilER CAllSE RESULT CORRECTIVE ACTION Refueling Bridge Auxiliary Corrective N/A Worn Parts Broken Swivel Replaced Connector lloist Cable MR 80-1027 Connector RilR Valve .V10-18 Preventive N/A N/A N/A Repacked Valve MR 80-1033 | |||
'RilR Valve V10-29 Preventive N/A N/A N/A Replaced Seal Ring i MR 80-1034 and Repacked Valve RilR Valve V10-88 Preventive N/A N/A N/A Repacked Valve | |||
, MR 80-1035 Service and Instrument Preventive N/A N/A N/A Air Valves V72-898 & C Disassemble and Clean-MR 80-1038 . ed Valvas I | |||
RllR Valve V10-32 Preventive N/A N/A N/A Repacked Valve 1 | |||
MR 80-1043 RHR Valve V10-31A Preventive N/A N/A N/A Repacked Valve MR 80-1044 l | |||
' Reactor Protection Corrective N/A Worn Parts Relay Inoperable Replaced Relay Relay KilB MR 80-1046 | |||
DOCKET NO. 50 _271 UNIT Vermont Yankee _ . . | |||
DATE 801111 COMPI.ETED BY F.J. Burger TEl,EPil0NE | |||
'802-DJ-2]]L)L132 l | |||
l SAFETY REl.ATED MAlHTEN_AN_CE , | |||
~ | |||
Page 5 of 6 NATURE OF ER OR OU'I' AGE MAI.FIINCTION EQUIPMENT MAINTENANCE NilHilER dAllSE RESilLT CORRECTIVE ACTION , | |||
HPCI Valve V23-15 Preventive N/A N/A N/A Repacl:ed Valve MR 80-1052 - | |||
Core Spray Valves Preventive N/A N/A N/A Repacked Valves V12-14A & B MR 80-1067 l | |||
"A" Diesel Generator' Corrective N/A Wern Parts Failed Relay Replaced Relay Power Failure Alarm MR 80-1069 Core Spray Valve Corrective N/A Worn Parts Contacts Arcing Replaced Parts as V14-12B Breaker MR 80-1070 Breaker Operable Necessary "C" RilR Pump Seals Preventive N/A Seal Material N/A Replaced Pump Seals MR 80-1072 Not Compatibic l With Radiation Environment "A" Diesel Generator Corrective N/A Vibration Leaking Fuel Tightened Fitting MR 80-1078 011 Fitting Containment Sampling Corrective N/A Dirt / Corrosion Valve Would Valve FSO 75-D Disassembled & Cleaned MR 80-1080 Not Shut Valve | |||
? | |||
Reactor Jet Pump #8 Corrective LER See LER Cracked Beam Replaced Beam Hold-down Beam MR 80-1082 80-33/3L | |||
DOCKET NO. 50-271 , | |||
UNIT Vermog tlanksg_______, | |||
DATE 80111_1 COMPl.ETED BY F.J. Burycr | |||
! TEl.EPil0NE 802-257-7711 X 137 P | |||
SAFETY REl.ATEtt MAINTENANCE Page 6 of 6 | |||
"^ ""'' | |||
1.ER OR OUTAGE IgUIPMENT MAINTENANCE NUMBER CAUSE RESULT CORRECTIVE ACTION "A" Diesel Cenerator Corrective N/A Dirt / Set Point Diesel Could Cleaned and Timed Rela-Shutdown Relay MR 80-1084 Drift Not be Shutdown l. | |||
Control Rod Drive Corrective N/A Worn Seals Leakage Replaced Valves liCU Cartridge Valves MR 80-1089 (10-15, 14-19, 18-19, 22-23, 38-31) l Control Rod Drive Corrective N/A Worn Seal Leakage Replaced Accumulator i | |||
Accumulator 18-43 MR 80-1092 l | |||
"B" Diesel Air Valve Corrective N/A Loose Packing Leakage Adjusted Packing 19 C MR 80-1101 l | |||
Scram Discharge Volume Corrective N/A Failed Components Would Not Reset Replaced Mercury | |||
; Lsvel Suitch 3-231D MR 80-1103 Switch L | |||
l Fuel Pool Cooling Valve Corrective N/A Worn Parts Leakage Replaced Diaphragm l V 19-77 MR 80-1118 Fuel Pool Cooling Valve Corrective N/A Worn Parts Leakage Tightened Body to V 19-20A MR 80-1121 Bonnet Jolnt i ! | |||
l IIPCI Valve V23-19 Corrective LER Overload Trip Valve Inoperable Reset Overload Trip MR 80-1166 80-26/3L Tripped, Carise Unknown l | |||
DOCKET No. 50-271 UNIT Vermont Yankee i | |||
DATE 801111 4 | |||
I COMPLETED BY F. J. Burger I TELEPHONE 802-257-7711, X137 i | |||
l REPORT MONTH October , | |||
l SIDDfARY OF OPERATING EXPERIENCES | |||
;f During the reporting period, the plant was shutdown for refueling and | |||
:! maintenance. | |||
] . | |||
4 I | |||
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Revision as of 12:08, 31 January 2020
ML19339C550 | |
Person / Time | |
---|---|
Site: | Vermont Yankee ![]() |
Issue date: | 11/11/1980 |
From: | Beers F, Burger F VERMONT YANKEE NUCLEAR POWER CORP. |
To: | |
Shared Package | |
ML19339C546 | List: |
References | |
NUDOCS 8011180584 | |
Download: ML19339C550 (10) | |
Text
)
()
l VERMONT YANKEE NUCLEAR POWER STATION MONTHLY STATISTICAL REPORT 50-10 FOR THE MONTH OF OCTOBER, 1980 s
l l
55100 '
l
1 l
l OPERATING DATA REPORT 00CKET NO. 50-271 DAIE 801111 CCMPLETED BY F.C. Beers TELEPHONE 617-366-8811, X2215 OPERATING STATUS Notes
- 1. 'init Name: Vermont Yankee
- 2. Reporting Period: October
- 3. Licensed Thermal Power (MWt): 1593
- 4. Naseplate Rating (Gross MWe): 540
- 5. Design Electrical Rating (Net MWe): 514 (open)504 (closeil)
- 6. Maximum Oependable Capacity (Gross MWe): 535
- 7. Maxi =ue Depenfable Capacity (Net MWe): 504
- 8. If C .anges Occur in Capacity Ratings (!te=s Nu=ber 3 Through 7)Since Last Report, Give Reascns:
- 9. Power Level to Which Restricted,If Any(Net >Me):
- 10. Peascns For Restrictions, If Any:
This Month Yr-to-Date Cuculative
- 11. Hours In Reporting ?eriod 745.00 7,320.00
- 12. Number Of Hours Reacter Was Critical 0.00 6,266.89 57,425.28
- 13. Raactor Reserve Shutdown Hours 0.00 0.00 0.00
- 14. Hours Generator On-Line 0.00 6,200.00 55,527.88
- 15. Unit Reserve Shutdown Hours 0.00 0.00 0.00
- 16. Cross Thermal Energy Generated (MWH) 0.00 9,347,971.00 78,572,584.00
- 17. Gross Electrical Energy Generated (MWH) 0.00 3,136,006.00 26,105,676.00
- 18. Net Electrical Energy Generated (MWH) 0.00 2,972,808.00 24,741,173.00
- 19. Unit Service Factor 0.00 84.70 78.08
- 20. Unit Availability Factor 0.00 84.70 78.08
- 21. Unit Capacity Factor (Using MDC Net) 0.00 80.58 69.03 ,
- 22. Unit Capacity Factor (Using DER Net) 0.00 79.01 67.68 l
- 23. Unit Forced Outage Rate 0.00 1.85 *6.02 l
- 24. Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each): l i
Refueling in progress, QLast month's report was incorrect. Item 23 should have been 6.02. nor 6.40. l
- 25. If Shut Down At End Of Report Period, Estimated Late of Startup: Early December
- 26. Units In Test Status (Prior to Cc=mercial Operation): Forecast Achieved INITIAL CRITICALITY INITIAL ELECTRICITY CCFCERCIAL OPERATION
AVERAGE DAILY UNIT POWER LEVEL DOCY2T NO. 50-271 UNIT Vermont Yankee DATE 801111 COMPLETED BY F. J. Burger TELEPHONE 802-257-7711, X 137 MONTH October DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL
., (MWe-Net) (MWe-Net)
- 1. 0 17. 0
- 2. 0 18. O i 3. 0 19, 0 i
- 4. 0 20. 0
- 5. 0 21. 0
- 6. 0 22. O s
- 7. 0 23. 0 0 O
- 8. 24 t
- 9. 0 25. 0
- 10. 0 26. 0
- 11. 0 27. 0
- 12. 0 28. 0
- 13. 0 29. 0
- 14. 0 30. 0
- 15. 0 31. 0
- 16. O INSTRUCTIONS-On this format, list the average daily unit power level in MWe-Net. for each day in the reporting month. Compute to the nearest whole megawatt.
1 i
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DOCKET NO. 50-271 ,
UNIT vermnat..Yankaa DATE 801111 CottPLETED BY FJ J urger TELEP110NE 802-257-7711 X 13Z___
r e
SAFETY RELATED itAINTENANCE_
Page 1 of 6 i
. NATURE OF , !!ALFUNCTION
- EQUIPMENT MAINTENANCE tHIM11ER (' AtlS E RESIILT CORRECTIVE ACTION li"s Standby Liquid Control Corrective N/A Construction Arc Pitting of the Repaired by Welding Line, SLC-9 MR 80-186 Strike Pipe but not Below Minimum t Wall Thickness MS2V 80 A Preventive ,N/A Worn Guide Rods and Potential Sticky Replaced Guide Rods MR 80-249 Springs on Valve Operation and Springs Actuator
- IIPCI Pump, P 44-1A Corrective N/A Vibration Oil Line Leakage Repaired by Welding MR 80-403 but Pump Operabic Scram Solenoids, 18-19 and Corrective N/A Normal Operation Noisy Solenoids Replaced Solenoids 10-07 MR 80-484 and 80-485 Respectively
, HPCI Pump, P 44-1A Corrective N/A Normal Operation Seal Leakage Replaced Outboard Pump MR 80-703 Seal Control Rod 14-11 Corrective N/A Normal Wear Sticky Relay Replaced Relay Relay 3A-K12 MR 80-731 RWCU Valve V12-19A Corrective N/A Worn Parts Leakage Replaced Seal Ring &
HR 80-733 Repacked Valve l
DOCKET NO. 50-271 .
l! NIT Vermont Yankee DATE 801111 COMPLETED BY F.J. Burger TELEril0NE 802-257-7711 X 137 P
SAFETY RELAT_ED !!A f NTENANCE _
Page 2 of 6 LER OR OUTAGE
"^ I' "
EQllIPMENT MAINTENANCE NIIMBER EAllSE RESilLT CORRECTIVE ACTION -
Control Rod Drive llCU 26-35 Corrective N/A Worn Parts Leakage Replaced Accumulator MR 80-760 "A" RHR Pump Discharge Corrective N/A Worn Parts Leakage Repaired by Welding Chrck Valve V10-48A MR 80-914 "A" RWCU Pump Corrective N/A Worn Parts Seal Leakage
- Replaced Seal MR 80-922 IIPCI Isolation Valve Corrective N/A Vibration Intermittent Adjusted Position v23-15 Position Indication MR 80-935 Indication Indication Switch i "b" SBGT Train Preventive N/A N/A N/A Changed out Charcoal MR 80-937 Cartridge In Test Cel LPRM 08-33A Corrective N/A Loose Power Supply Pailed LPRM Rescated Power Supply MR 80-945 Module Module IRM's C & D Corrective N/A Loose Connectica Erratic Indica- Replaced Connector MR 80-961 -
tion llPCI Valve V23-19 Corrective N/A Vibration Loss of Indica- Adjusted Position Position Indication MR 80-969 tion Indication Switch 4
"A" Service Water Preventive N/A N/A N/A Inspected & Overhaule.
Pump, P7-1A MR 80-974 Pump
DOCKET NO. 50-271 .
UNIT Vermont Yankee DATE 801111 COMPLETED BY F . .I . Burger TELEPIIONE 802-257-7711 X 137 r
SAFETY RELATElj llAINTENAlHL Page 3 of 6 NATURE OF MALFUNCTION R OR OU' RACE EQUIPMENT MAINTENANCE NUMBER C USE RESULT CORRECTIVE ACTION CAD Valve VG-22B Corrective N/A Normal Wear Leakage Lapped Plug & Seat MR 80-981 ..
Installed New Caskets Drywell Floor Drain Valve Corrective N/A Dirt & Corrosion Leakage Disassembled and V20-83 MR 80-984 Cleaned Valve Containment Sampling Valve Corrective N/A Worn Parts Leakage Replaced Disc Assembl FSO-76-A MR 80-987 Shock Suppressor MS-24 Corrective LER Worn Parts Fluid Leakage Replaced Seals and MR 80-989 80-31/3L Orfico Block RCIC Valve V 13-15 Corrective N/A Warn Parts Leakage Replaced Bonnet Seal MR 80-993 & Repacked Valve Shock Suppressor CU-2 Corrective N/A Vibration Loose Pipe Clamp, Tightened Nut MR 80-998 Snubber Operable Core Spray Valve V14-5B Corrective N/A Vibration / Wear Broken Valve Replaced Bolt l Valve Operator MR 80-1008 Operator Mount-ing Bolt HPCI Valve V23-18 Corrective N/A Worn Packing Leakage Repacked Valve MR 80-1025 RCIC Valve V13-22 Corrective N/A Worn Packing Leakage Repacked Valve MR 80-1026
DOCKET No. 50-171 6
UNIT Vermont Yankee DATE 80111L C0!!PLETEI) BY F.J. Burger TELEPIIONE 802-257-7711 X 137 r
SAFETY REI.ATED MAINTENANCE
'Page 4 of 6 NATURE OF MALFUNCTION ER OR OUTAGE EQUIPMENT MAINTENANCE NUffilER CAllSE RESULT CORRECTIVE ACTION Refueling Bridge Auxiliary Corrective N/A Worn Parts Broken Swivel Replaced Connector lloist Cable MR 80-1027 Connector RilR Valve .V10-18 Preventive N/A N/A N/A Repacked Valve MR 80-1033
'RilR Valve V10-29 Preventive N/A N/A N/A Replaced Seal Ring i MR 80-1034 and Repacked Valve RilR Valve V10-88 Preventive N/A N/A N/A Repacked Valve
, MR 80-1035 Service and Instrument Preventive N/A N/A N/A Air Valves V72-898 & C Disassemble and Clean-MR 80-1038 . ed Valvas I
RllR Valve V10-32 Preventive N/A N/A N/A Repacked Valve 1
MR 80-1043 RHR Valve V10-31A Preventive N/A N/A N/A Repacked Valve MR 80-1044 l
' Reactor Protection Corrective N/A Worn Parts Relay Inoperable Replaced Relay Relay KilB MR 80-1046
DOCKET NO. 50 _271 UNIT Vermont Yankee _ . .
DATE 801111 COMPI.ETED BY F.J. Burger TEl,EPil0NE
'802-DJ-2]]L)L132 l
l SAFETY REl.ATED MAlHTEN_AN_CE ,
~
Page 5 of 6 NATURE OF ER OR OU'I' AGE MAI.FIINCTION EQUIPMENT MAINTENANCE NilHilER dAllSE RESilLT CORRECTIVE ACTION ,
HPCI Valve V23-15 Preventive N/A N/A N/A Repacl:ed Valve MR 80-1052 -
Core Spray Valves Preventive N/A N/A N/A Repacked Valves V12-14A & B MR 80-1067 l
"A" Diesel Generator' Corrective N/A Wern Parts Failed Relay Replaced Relay Power Failure Alarm MR 80-1069 Core Spray Valve Corrective N/A Worn Parts Contacts Arcing Replaced Parts as V14-12B Breaker MR 80-1070 Breaker Operable Necessary "C" RilR Pump Seals Preventive N/A Seal Material N/A Replaced Pump Seals MR 80-1072 Not Compatibic l With Radiation Environment "A" Diesel Generator Corrective N/A Vibration Leaking Fuel Tightened Fitting MR 80-1078 011 Fitting Containment Sampling Corrective N/A Dirt / Corrosion Valve Would Valve FSO 75-D Disassembled & Cleaned MR 80-1080 Not Shut Valve
?
Reactor Jet Pump #8 Corrective LER See LER Cracked Beam Replaced Beam Hold-down Beam MR 80-1082 80-33/3L
DOCKET NO. 50-271 ,
UNIT Vermog tlanksg_______,
DATE 80111_1 COMPl.ETED BY F.J. Burycr
! TEl.EPil0NE 802-257-7711 X 137 P
SAFETY REl.ATEtt MAINTENANCE Page 6 of 6
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1.ER OR OUTAGE IgUIPMENT MAINTENANCE NUMBER CAUSE RESULT CORRECTIVE ACTION "A" Diesel Cenerator Corrective N/A Dirt / Set Point Diesel Could Cleaned and Timed Rela-Shutdown Relay MR 80-1084 Drift Not be Shutdown l.
Control Rod Drive Corrective N/A Worn Seals Leakage Replaced Valves liCU Cartridge Valves MR 80-1089 (10-15, 14-19, 18-19, 22-23, 38-31) l Control Rod Drive Corrective N/A Worn Seal Leakage Replaced Accumulator i
Accumulator 18-43 MR 80-1092 l
"B" Diesel Air Valve Corrective N/A Loose Packing Leakage Adjusted Packing 19 C MR 80-1101 l
Scram Discharge Volume Corrective N/A Failed Components Would Not Reset Replaced Mercury
- Lsvel Suitch 3-231D MR 80-1103 Switch L
l Fuel Pool Cooling Valve Corrective N/A Worn Parts Leakage Replaced Diaphragm l V 19-77 MR 80-1118 Fuel Pool Cooling Valve Corrective N/A Worn Parts Leakage Tightened Body to V 19-20A MR 80-1121 Bonnet Jolnt i !
l IIPCI Valve V23-19 Corrective LER Overload Trip Valve Inoperable Reset Overload Trip MR 80-1166 80-26/3L Tripped, Carise Unknown l
DOCKET No. 50-271 UNIT Vermont Yankee i
DATE 801111 4
I COMPLETED BY F. J. Burger I TELEPHONE 802-257-7711, X137 i
l REPORT MONTH October ,
l SIDDfARY OF OPERATING EXPERIENCES
- f During the reporting period, the plant was shutdown for refueling and
- ! maintenance.
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