B12219, Requests Extension of 860428 Single Failure Exemption to Respond to Small Break Locas.Plant Mods Cannot Be Completed Until End of Cycle 15 Outage.Probabilistic Safety Study for Permanent Small Break LOCA Response Measures Encl.Fee Paid
B17621, Application for Amend to License DPR-21,reflecting Permanently Defueled Condition of Unit 1,Tech Specs Administrative Controls Section as Allowed by Guidance Contained in NRC Administrative Ltr 95-06
BVY-98-141, Responds to & Opposes CAN Formal Request for Enforcement Action Against Vermont Yankee, Submitted to NRC on 980527. Allegations Either Lack Merit or Are Already Being Addressed by Both Licensee & NRC
05000278/LER-1986-019-02, :on 860914,reactor Manually Scrammed Due to High Main Steam Line Radiation.Caused by Resin Injection When Pilter Demineralizer H Placed in Svc.Rwcu Sys Operated to Remove Impurities
05000278/LER-1986-022-02, :on 861030,manual Scram Occurred After Resin Injection.Caused by Resin Left in Demineralizer Outlet Plenum or Piping After Recent Filter Element Replacement. Maint Work Instructions Revised
05000213/LER-1986-042, :on 861016,discovered Chain on Valve SI-MOV-24 Disengaged & Lock Open.Caused by Operator Error in Using Faulty Lock & Failure to Check Status of Lock.Further Operator Training Re Lock Surveillance Planned
05000237/LER-1986-013-05, :on 860524,reactor Operator Observed That Reactor Vessel Not Vented at Less than 149 F,Violating Tech Spec 3.6.B.1.Caused by Personnel Error.Tech Spec Change Initiated to Change Min Temp to 100 F
05000237/LER-1985-038-03, :on 851005,after Equipment Qualification Outage,Valve MO-2-220-2 Automatically Closed When Being Placed Back in Svc.Cause Not Stated.Valve Opened
05000249/LER-1985-019-07, :on 850923,observed That Reactor Not Vented at Less than 149 F.Caused by Failure of Shutdown Procedure to Completely Outline Conditions to Vent Reactor.Reactor Head Vents Opened
05000331/LER-1984-041, :on 841111,reactor Water Conductivity Increased Above Tech Spec Limit.Caused by Resin or Air Intrusion. Operating Procedures Improved to Minimize Sys Disturbances
05000237/LER-1985-011-03, :on 850306,reactor Vessel Not Vented at Less than 149 F.Caused by Lack of Procedural Steps to Ensure Vent Path Exists Prior to Completion of Head Vent Piping Replacement.Procedures Changed
05000249/LER-1984-006-06, :on 840711,reactor Vessel Found Not Vented at Less than 149 F.Caused by Inadvertent Procedure Violation. Reactor Metal Temp Increased.Personnel Reminded of Venting Requirement
05000245/LER-1990-012-01, :on 900813,determined That hi-hi Trip Settings on Both Offgas Instrument Drawers Set in Nonconservative Direction & Exceeded Tech Spec 3.8.B.1.Caused by Failure to Recognize Significance of Response Factor
05000321/LER-1993-013, :on 931022,trip of Condensate Pump Resulted in Decrease in Reactor Water Level & Manual Scram.Caused by Spurious Actuation of Hotwell Level Instrument Due to Intermittent Vibration.Mod Implemented
NG-93-2104, Application for Amend to License DPR-49,consisting of Request for TS Change (RTS-197A),correcting Errors & Improving Consistency of Rewrite of TS Section 3.6, Primary Sys Boundary
05000219/LER-1981-071-01, /01T-0:on 811231,radwaste Liquid Effluent Monitor Found Inoperable.Proper Surveillance Not Performed.Caused by Personnel Error & Lack of Administrative & Procedural Controls.Control Procedures Written & Parts Replaced
05000206/LER-1981-016, Forwards LER 81-016/01T-0.Detailed Event Analysis Submitted
05000280/LER-2075-026, For Surry Power Station, Unit 1, with Unit Shutdown, Auxiliary Feedwater Pump Discharge Valve MOV-FW-151A Failed to Automatically Open When Both Main Feed Pumps Were Locked Out
05000206/LER-1980-034-03, /03L-0:on 800901,during Steam Generator Tube Removal,Unexpected Water in Secondary Side Intruded Into Rcs.Caused by Inadequate Drainage Between Water Source & Generators.Drain Has Been Installed
05000260/LER-1987-003-03, :on 870503,analysis of Water Sample from Reactor Vessel Found Ph Outside of Tech Spec (TS) Limits.On 870505,conductivity Increased Beyond TS Limits.Rwcu Demineralizers Placed in Svc
05000280/LER-1975-026-01, /01T:on 751130,auxiliary Feedwater Pump Discharge Valve MOV-FW-151A Failed to Automatically Open When Main Feed Pumps Locked Out.Caused by Failure of Switch.Adjustment of Lever Arm Corrected Problem
05000281/LER-1983-040-03, /03L-0:on 830921,w/unit in Hot Shutdown,Resistance of Motor for Auxiliary Feed Pump 2-FW-P-3A Discovered Degraded,Rendering Pump Inoperable.Caused by Rainwater Leaking Through Safeguards Bldg Roof Onto Motor
05000259/LER-1983-073-01, /01T-0:on 831231,reactor Coolant Sample Indicated Chloride Concentration of 525 Ppb & Conductivity & Offgas Radiation Level Increased While Ph Decreased.Caused by Resin Intrusion Into Reactor Vessel.Trap Replaced