TAC:43253
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Request for: Approved, Closed | |
Initiation
Questions Answers Results Other: 05000346/LER-1980-090-03, /03L-1:on 801205,setpoints for Borated Water Storage Tank Low Level Bistable BA312 & Containment Pressure Bistable BA309 Found Out of Tolerance.Caused by Component Failure.Bistables Recalibr, ML19340E991, ML19341B813, ML20002C776, ML20010J123, ML20069E493, ML20141N821, ML20265E231, ML20265E237, ML20265E241, ML20265E246, ML20265E251 | |
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MONTHYEARML20002C7761980-12-24024 December 1980
[table view]Informs That Engineered Safety Features Actuation Sys Does Not Conform to IEEE Std 279.1971 & Constitutes Potential Failure Mode.Recommends Short Term Corrective Actions 05000346/LER-1980-090-03, /03L-1:on 801205,setpoints for Borated Water Storage Tank Low Level Bistable BA312 & Containment Pressure Bistable BA309 Found Out of Tolerance.Caused by Component Failure.Bistables Recalibr1981-01-0202 January 1981 /03L-1:on 801205,setpoints for Borated Water Storage Tank Low Level Bistable BA312 & Containment Pressure Bistable BA309 Found Out of Tolerance.Caused by Component Failure.Bistables Recalibr ML19340E9911981-01-0909 January 1981 Forwards marked-up Electrical Drawings as Update to 810105 Request to Deautomate Incident Level 5 of Safety Features Actuation Sys.Procedure Mod Details,License Amend Request & Safety Evaluation Will Follow.W/O Encl ML20002D1341981-01-15015 January 1981 Proposed Tech Specs Sections 3 & 4,to Permit Deautomation of Valve Shifts Caused by Incident Level 5 of Safety Features Actuation Sys.Draft Emergency & Sys Operating Procedures & Functional Description Encl ML20002D1291981-01-15015 January 1981 Application to Amend License NPF-3,changing Tech Specs to Permit Deautomation of Valve Shifts Caused by Incident Level 5 of Safety Features Actuation Sys 05000346/LER-1980-090, Forwards LER 80-090/03L-1 W/Supplemental Info Sheets1981-02-13013 February 1981 Forwards LER 80-090/03L-1 W/Supplemental Info Sheets ML19341B8111981-02-24024 February 1981 Application for Amend to License NPF-3 Changing Tech Spec Section 4.5.2.d.2 & Tables 3.3-3,3.3-5 & 4-3.2 ML19341B8051981-02-24024 February 1981 Forwards Application to Amend License NPF-3 Changing Tech Specs to Provide Consistency in Terminology W/Plant Design & to Ensure Adequate Surveillance Requirements ML19341B8131981-02-24024 February 1981 Revised Tech Spec Section 4.5.2.d.2 & Tables 3.3-3,3.3-5 & 4.3-2 Changing Surveillance Requirements Per Amend 36 to License NPF-3 ML20010J1231981-09-15015 September 1981 Forwards Response to NRC Re 801205 Inadvertent Safety Features Actuation Sys Actuation ML20069E4931983-03-11011 March 1983 Forwards Response to Re Safety Features Actuation Sys Shared Power Supply Returns.Permanent Grounding of Power Supply Commons to Instrument Ground Will Be Provided to Resolve Channel Independence Issue ML20265E2411985-11-0101 November 1985 Schematic Diagram:Davis Besse Safety Features Actuation System. Sheet 3 of 5.Drawing Consists of Four Aperture Cards ML20265E2371985-11-0101 November 1985 Schematic Diagram:Davis Besse Safety Features Actuation System. Sheet 1 of 5.Drawing Consists of Three Aperture Cards ML20265E2311985-11-0101 November 1985 Schematic Diagram:Davis Besse Safety Features Actuation System. Sheet 2 of 5.Drawing Consists of Four Aperture Cards ML20265E2461985-11-0101 November 1985 Schematic Diagram:Davis Besse Safety Features Actuation System. Sheet 4 of 5.Drawing Consists of Three Aperture Cards ML20265E2511985-11-0101 November 1985 Schematic Diagram:Davis-Besse Safety Features Actuation System. Sheet 5 of 5.Drawing Consists of Five Aperture Cards ML20138Q5501985-12-17017 December 1985 Summary of 851126 Meeting W/Util,Beta & Consolidated Controls Corp in Bethesda,Md Re Proposed Changes to Safety Features Actuation Sys.Viewgraphs & List of Attendees Encl ML20141N8211986-03-11011 March 1986 Confirms 860307 Submittal of Drawings 7749-E-30-5-6, Analog Module Assembly & 7749-E-30-19-7, Bistable 2 & Forwards Addl Copies,Per NRC Response to Re Safety Features Actuation Sys ML20203N7921986-04-17017 April 1986 Forwards Safety Evaluation Accepting Proposed Mods to Safety Features Actuation Sys as Result of 801205 Actuation, Pending Successful Completion of post-mod Tests ML20203N9141986-04-17017 April 1986 Safety Evaluation Accepting Proposed Mods to Safety Actuation Sys Re Shared Power Supply Returns as Result of 801205 Actuation 1981-02-24 | |
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