BWR Stability

  Library of NRC Related Information on BWR's

 

I

General

bullet10-CFR Code of Federal Regulations -- Energy
bulletIndex of All NRC Generic Communications

Bulletins

bulletBL73005  Manufacturing Defects in Boiling Water Reactor Control Rods
bulletBL73006  Inadvertent Criticality in a Boiling Water Reactor
bulletBL78014  Deterioration of Buna-N Components in ASCO Solenoids
bulletBL79026  Boron Loss from BWR Control Blades
bulletBL79026R1  Boron Loss from BWR Control Blades
bulletBL80007  BWR Jet Pump Assembly Failure
bulletBL80017  Failure of 76 of 185 Control Rods to Fully Insert During a Scram at a BWR
bulletBL8007S1  BWR Jet Pump Assembly Failure
bulletBL8017S1  Failure of 76 of 185 Control Rods to Fully Insert During a Scram at a BWR
bulletBL8017S2  Failures Revealed by Testing Subsequent to Failure of Control Rods to Insert During a Scram at a BWR
bulletBL8017S3  Failures Revealed by Testing Subsequent to Failure of Control Rods to Insert During a Scram at a BWR
bulletBL8017S4  Failure of Control Rods to Insert During a Scram at a BWR
bulletBL8017S5  Failure of Control Rods to Insert During a Scram at a BWR
bulletBL88007  Power Oscillations in Boiling Water Reactors (BWRs)
bulletBL8807S1  Power Oscillations in Boiling Water Reactors (BWRs)
bulletBL96001  Control Rod Insertion Problems
bulletBL96002  MOVEMENT OF HEAVY LOADS OVER SPENT FUEL, OVER FUEL IN THE REACTOR CORE, OR OVER SAFETY-RELATED EQUIPMENT

Circulars

bulletCR77007  Short Period During Reactor Startup
bulletCR77012  Dropped Fuel Assemblies at BWR Facilities
bulletCR79007  Unexpected Speed Increase of Reactor Recirculation MG Set Resulted in Reactor Power Increase
bulletCR80002  Nuclear Power Plant Staff Work Hours

Generic Letters

bulletGL79058  ECCS Calculations On Fuel Cladding
bulletGL80003  BWR Control Rod Failures
bulletGL80063  IEB 80-17 Failure Of Control Rods To Insert During A Scram At A BWR
bulletGL80066  IEB 80-17 Supplement 1 Failure Of Control Rods To Insert During A Scram At A BWR
bulletGL80067  Scram Discharge Volume
bulletGL80068  IEB 80-17 Supplement 2 Failures Revealed By Testing Subsequent To Failure Of Control Rods To Insert During A Scram At A BWR
bulletGL80079  IEB 80-17 Supplement 3 Failures Revealed By Testing Subsequent To Failure Of Control Rods To Insert During A Scram At A BWR
bulletGL80084  BWR Scram System
bulletGL80107  BWR Scram Discharge System
bulletGL81009  BWR Scram Discharge System
bulletGL81018  BWR Scram Discharge System-Clarification of Diverse Instrumentation Requirements
bulletGL81020  Safety Concerns Associated With Pipe Breaks in The BWR Scram System
bulletGL81024  Multi-Plant Issue B-56 Control Rods Fail To Fully Insert
bulletGL81030  Safety Concerns Associated With Pipe Breaks in the BWR Scram System
bulletGL81034  Safety Concerns Associated With Pipe Breaks in the BWR Scram System
bulletGL81035  Safety Concerns Associated With Pipe Breaks in the BWR Scram System
bulletGL82003  High Burnup MAPLHGR Limits
bulletGL82012  Nuclear Power Plant Staff Working Hours
bulletGL86002  Technical Resolution of Generic Issue B-19 -Thermal Hydraulic Stability
bulletGL86003  Applications For License Amendments
bulletGL86004  Policy Statement On Engineering Expertise On Shift
bulletGL88011  NRC Position on Radiation Embrittlement Of Reactor Vessel Materials And Its Impact On Plant Operations
bulletGL94002  Long-Term Solutions and Upgrade of Interim Operating Recommendations for Thermal-Hydraulic Instabilities in BWRs
bulletGL94003  Intergranular Stress Corrosion Cracking of Core Shrouds in Boiling Water Reactors
bulletGL96004  BORAFLEX DEGRADATION IN SPENT FUEL POOL STORAGE RACKS
bulletGL97001  Degradation of Control Rod Drive Mechanism Nozzle and Other Vessel Closure Head Penetrations
bulletGL99001 NRC Generic Letter 99-01: Recent Nuclear Material Safety and Safeguards Decision on Bundling Exempt Quantities

Information Notices

bulletIN80001 Fuel Handling Events
bulletIN80002 8X8R Water Rod Lower End Plug Wear
bulletIN80004 BWR Fuel Exposure in Excess of Limits
bulletIN80030 Potential for Unacceptable Interaction between Control Rod Drive Scram...and Non-Essential Control Air at GE BWRs
bulletIN80045 Potential Failure of BWR Backup Manual Scram Capability
bulletIN81011 Alternate Rod Insertion for BWR Scram Represents a Potential Path for Loss of Primary Coolant
bulletIN81012 Guidance on Order Issued January 9, 1981 Regarding Automatic Control Rod Insertion on Low Control Air Pressure
bulletIN81016 Control Rod Drive System Malfunctions
bulletIN81023 Fuel Assembly Damaged Due to Improper Positioning of Handling Equipment
bulletIN82027 Fuel Rod Degradation Resulting from Baffle Water-Jet Impingement
bulletIN83029 Fuel Binding Caused by Fuel Rack Deformation
bulletIN83075 Improper Control Rod Manipulation
bulletIN84021 Inadequate Shutdown Margin
bulletIN84079 Failure to Properly Install Steam Separator at Vermont Yankee
bulletIN85012 Recent Fuel Handling Events
bulletIN85014 Failure of Heavy Control Rod (B4C) Drive Assembly to Insert a Trip Signal
bulletIN86058 Dropped Fuel Assembly
bulletIN86068 Stuck Control Rod
bulletIN86075 Incorrect Maintenance Procedure on Traversing Incore Probe Lines
bulletIN86089 Uncontrolled Rod Withdrawal Because of a Single Failure
bulletIN86109 Diaphragm Failure in Scram Outlet Valve Causing Rod Insertion
bulletIN86110 Anomalous Behavior of Recirculation Loop Flow in Jet Pump BWR Plants
bulletIN87056 Improper Hydraulic Control Unit Installation at BWR Plants
bulletIN88021 Inadvertent Criticality Events at Oskarshamn and at U.S. Nuclear Power Plants
bulletIN88034 Nuclear Material Control and Accountability of Non-Fuel Special Nuclear Material at Power Reactors
bulletIN88039 LaSalle Unit 2 Loss of Recirculation Pumps with Power Oscillation Event
bulletIN89009 Credit for Control Rods Without Scram Capability in the Calculation of the Shutdown Margin
bulletIN89024 Nuclear Criticality Safety
bulletIN89031 Swelling and Cracking of Hafnium Control Rods
bulletIN90063 Management Attention to the Establishment and Maintenance of a Nuclear Criticality Safety Program
bulletIN90077 Inadvertent Removal of Fuel Assemblies From the Reactor Core
bulletIN90078 Previously Unidentified Release Path From Boiling Water Reactor Control Rod Hydraulic Units
bulletIN9077S1  Inadvertent Removal of Fuel Assemblies From the Reactor Core
bulletIN91036 Nuclear Plant Staff Working Hours
bulletIN92021 Spent Fuel Pool Reactivity Calculations
bulletIN92039 Unplanned Return to Criticality During Reactor Shutdown
bulletIN92074 Power Oscillations at Washington Nuclear Power Unit 2
bulletIN9221S1 Spent Fuel Pool Reactivity Calculations
bulletIN93070 Degradation of Boraflex Neutron Absorber Coupons
bulletIN93077 Human Errors That Result in Inadvertent Transfers of Special Nuclear Material at Fuel Cycle Facilities
bulletIN93079 Core Shroud Cracking at Beltline Region Welds in Boiling-Water Reactors
bulletIN93082 Recent Fuel and Core Performance Problems in Operating Reactors
bulletIN93101 Jet Pump Hold-Down Beam Failure
bulletIN94013 Unanticipated & Unintended Movement - Fuel Assemblies & Other Components Due - Improper Operation of Refueling Equipment
bulletIN94042 Cracking in the Lower Region of the Core Shroud in Boiling-Water Reactors
bulletIN94064 Reactivity Insertion Transient and Accident Limits for High Burnup Fuel
bulletIN9413S1 Unanticipated & Unintended Movement - Fuel Assemblies & Other Components Due - Improper Operation of Refueling Equipment
bulletIN9442S1 Cracking in the Lower Region of the Core Shroud in Boiling-Water Reactors
bulletIN9464S1 Reactivity Insertion Transient and Accident Limits For High Burnup Fuel
bulletIN95008 Inaccurate Data Obtained With Clamp-on Ultrasonic Flow Measurement Instruments
bulletIN95016 Vibration Caused by Increased Recirculation Flow in a Boiling Water Reactor
bulletIN95017 Reactor Vessel Top Guide and Core Plate Cracking
bulletIN95038 Degradation of Boraflex Neutron Absorber in Spent Fuel Storage Racks
bulletIN95051 Recent Incidents Involving Potential Loss of Control of Licensed Material
bulletIN95056 Shielding Deficiency in Spent Fuel Transfer Canal at a Boiling-Water Reactor
bulletIN95057 Risk Impact Study Regarding Maintenance During Low-Power Operation and Shutdown
bulletIN96007 SLOW FIVE PERCENT SCRAM INSERTION TIMES CAUSED BY VITON DIAPHRAGMS IN SCRAM SOLENOID PILOT VALVES
bulletIN96012 Control Rod Insertion Problems
bulletIN96016 BWR Operation With Indicated Flow Less Than Natural Circulation
bulletIN96017 Reactor Operation Inconsistent With the Updated Final Safety Analysis Report
bulletIN96025 Traversing In-Core Probe Over withdrawn at LaSalle County Station, Unit 1
bulletIN96039 ESTIMATES OF DECAY HEAT USING ANS 5.1 DECAY HEAT STANDARD MAY VARY SIGNIFICANTLY
bulletIN96041 EFFECTS OF A DECREASE IN FEEDWATER TEMPERATURE ON NUCLEAR INSTRUMENTATION
bulletIN96069 OPERATOR ACTIONS AFFECTING REACTIVITY
bulletIN97002 CRACKS FOUND IN JET PUMP RISER ASSEMBLY ELBOWS AT BOILING WATER REACTORS
bulletIN97013 Assessment of Spent Fuel Pool Cooling
bulletIN97015 Reporting of Errors and Changes in Large-Break Loss-of-Coolant Accident Evaluation Models of Fuel Vendors And Compliance With 10 CFR 50.46a(3)
bulletIN97017 Cracking of Vertical Welds in The Core Shroud and Degraded Repair
bulletIN97030 Control of Licensed Material During Reorganizations, Employee-Management Disagreements, And Financial Crises
bulletIN97039  Inadequate 10 CFR 72.48 Safety Evaluations of Independent Spent Fuel Storage Installations
bulletIN97042  Management Weaknesses Resulting in Failure to Comply With Shipping Requirements for Special Nuclear Material
bulletIN97051 Problems Experienced Loading and Unloading Spent Nuclear Fuel Storage and Transportation Casks
bulletIN97062 Unrecognized Reactivity Addition During Plant Shutdown
bulletIN97077 Exemptions From the Requirements of Section 70.24 of Title 10 of The Code of Federal Regulations
bulletIN97085 Effects of Crud Buildup and Boron Deposition on Power Distribution and Shutdown Margin
bulletIN98029 NRC Information Notice 98-29: Predicted Increase in Fuel Rod Cladding Oxidation
bulletIN99031 Operational Controls to Guard Against Inadvertent Nuclear Criticality
bulletIN00001 Operational Issues Identified in Boiling Water Reactor Trip and Transient
 
 

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Revised: November 03, 2003 .