TAC:12746
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Other: ML19330B670, ML19341B904, ML19351F978, ML20031C585, ML20052A556, ML20204G294 | |
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MONTHYEARML19330B6701980-08-0101 August 1980
[table view]Forwards Revised Response to Inquiry on Adequacy of Facility Safety Grade Electrical Distribution Sys Voltage Since Condition Discovered at Millstone Unit 2.Util Is Planning to Implement Mod to Sys During 810601 Refueling Outage ML19340B3671980-09-25025 September 1980 Forwards Request for Addl Info Re Adequacy of Onsite Electric Power Distribution Sys IR 05000312/19800261980-09-25025 September 1980 IE Insp Rept 50-312/80-26 on 800801-29.Noncompliance Noted: Containment Isolation Valve Design Not in Accordance w/10CFR50 App a Requirements ML19341B9041980-10-31031 October 1980 Proposed Design Mods & Tech Spec Changes on Grid Voltage Degradation (Part a) for Rancho Seco Nuclear Plant, Technical Evaluation Rept ML19341B9001981-02-11011 February 1981 Forwards Safety Evaluation of Proposed Design Mods & Draft Tech Spec Changes Re Degraded Grid Voltage.Upgrading Effort Has Been Expanded to Address Entire Electrical Distribution Sys.Requests Submittal of Proposed Revision to Tech Specs ML19341B9031981-02-11011 February 1981 Safety Evaluation of Proposed Design Mods & Draft Tech Spec Changes Re Degraded Grid Voltage Protection for Class IE Power Sys.Proposed Mods & Draft Tech Spec Changes Acceptable ML19351F9781981-02-17017 February 1981 Responds to NRC Re Adequacy of Station Electric Distribution Sys Voltage.Tests & Calculations Performed on 120-volt Ac Circuits Required to Mitigate Accident Consequences.Revision 2 to Original 791017 Response Encl ML20031C5851981-09-28028 September 1981 Forwards Standing Order 15-79 Re Operator Actions When Switchyard Voltage Is Less than 216 Kv.Completion Date for Motor Control Ctr Overload Protection Analysis Is Scheduled for 1982 Refueling Outage ML20052A5561982-04-21021 April 1982 Submits Info Re Adequacy of Station Electric Distribution Sys Voltage ML20204G2941983-04-28028 April 1983 Forwards Results of Analysis of Station Electrical Distribution Sys Voltages & Comparison of Test & Analytical Results.Differences Between Test Voltages & Analytically Derived Voltages within 3% Value 1981-02-11 | |
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