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| {{Adams
| | #REDIRECT [[05000327/LER-1980-007-01, /01T-0:on 800315,following Initial Core Loading, Found Incorrect (Nonconservative) Valve Operator Weights Used in Seismic Analysis for Component Cooling Water Valves FCV-70-133,134 & 183.Caused by Incorrect Vendor Data]] |
| | number = ML19323F823
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| | issue date = 05/21/1980
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| | title = /01T-1:on 800315,in Mode 6 Following Initial Core Loading,Discovered Incorrect Valve Operator Weights Used in Seismic Analysis for Cooling Water Valves FCV-70-133,145 & 183.Caused by Manufacturer Labeling Error
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| | author name = Terpstra G
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| | author affiliation = TENNESSEE VALLEY AUTHORITY
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| | addressee name =
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| | addressee affiliation = NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
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| | docket = 05000327
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| | license number =
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| | contact person =
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| | document report number = LER-80-007-01T, LER-80-7-1T, NUDOCS 8005290509
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| | package number = ML19323F818
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| | document type = LICENSEE EVENT REPORT (SEE ALSO AO RO), TEXT-SAFETY REPORT
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| | page count = 2
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| }}
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| {{LER
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| | Title = /01T-1:on 800315,in Mode 6 Following Initial Core Loading,Discovered Incorrect Valve Operator Weights Used in Seismic Analysis for Cooling Water Valves FCV-70-133,145 & 183.Caused by Manufacturer Labeling Error
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| | Plant =
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| | Reporting criterion =
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| | Power level =
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| | Mode =
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| | Docket = 05000327
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| | LER year = 1980
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| | LER number = 7
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| | LER revision = 1
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| | Event date =
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| | Report date =
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| | ENS =
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| | abstract =
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| }}
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| | |
| =text=
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| li i s i l The Walworth Company (valve manu.) shows different valve operator weights
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| 'g Lor differeat drawings for identical valves. TVA Divisio t of Engineering i,i,il Design used 116 lbs. for 1 & 2-FCV-133,134, and 183 in their piping i,,,ii seismic analysis. The correct weights should be 135 lbs. The seismic g, analysis will be rerun using the' correct valve operator weights.
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| T$nnacEmoValleyAuthority Siqunyth Nucitar Plant LER SUPPLDfE!;TM. INFORMATION SQRO-50-327/8007 Technical Specification Involved 6.9.1.12.h Reported Under Technical Specification 6.9.1.12.h Date of Occurrenec: 3/15/E0 Time of Occurrence:
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| 0900 EST Unit 1 Identification and Description of Occurrence:
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| Notification was received from TVA Divisien of Engineering Design that the incorrect (non-censervative) valve operator weight was used in the seismic analysis for component cooling water valves FC'.'-70-133, 134, and 183.
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| Conditions Prior to Occurrence:
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| Unit 1 in Mode 6 following initial core leading.
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| Action specified in the Technical Specification Surveillance Requirements met due to inoperable eculpment.
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| Describe.
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| N/A Apparent Cauce of Occurrence:
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| Incorrect valve operator weight used in seismic analysis. | |
| Analysis of Occurrence:
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| There was no hazard to the public health or safety.
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| ==Corrective Action==
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| The ueismic analysis will be rerun using the correct valve operator weights.
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| Failure Data:
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| N/A
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| }}
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| {{LER-Nav}}
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