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| {{#Wiki_filter:SSINS NO: 6870 t Accession | | {{#Wiki_filter:SSINS NO: 6870 t |
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| No.: 791025O4X5 UNITED STATES NUCLEAR REGULATORY | | Accession No.: 791025O4X5 UNITED STATES |
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| COMMISSION | | NUCLEAR REGULATORY COMMISSION |
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| OFFICE OF INSPECTION | | OFFICE OF INSPECTION AND ENFORCEMENT |
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| ===AND ENFORCEMENT===
| | WASHINGTON, D.C. 20555 November 16, 1979 IE Information Notice No. 79-28 OVERLOADING OF STRUCTURAL ELEMENTS DUE TO PIPE SUPPORT LOADS |
| WASHINGTON, D.C. 20555 November 16, 1979 IE Information | |
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| |
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| Notice No. 79-28 OVERLOADING
| | ==Description of Circumstances== |
| | : |
| | Recently, the NRC was informed that, in the course of the inspections pursuant |
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| |
|
| OF STRUCTURAL
| | to IE Bulletin No. 79-02 and 79-14 by the Portland General Electric Co. (PGE) at |
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| |
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| ELEMENTS DUE TO PIPE SUPPORT LOADS Description
| | the Trojan Nuclear Plant, some walls were found which did not have adequate |
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| |
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| of Circumstances:
| | structural strength to sustain the required support reactions. Bechtel Corporation |
| Recently, the NRC was informed that, in the course of the inspections
| |
|
| |
|
| pursuant to IE Bulletin No. 79-02 and 79-14 by the Portland General Electric Co. (PGE) at the Trojan Nuclear Plant, some walls were found which did not have adequate structural
| | was the Architect Enaineer for the plant. These structural inadequacies were |
|
| |
|
| strength to sustain the required support reactions.
| | reported to be attributable to two deficiencies: |
| | 1) Apparent lack of a final check of certain pipe support locations and reactions |
|
| |
|
| ===Bechtel Corporation===
| | to ensure that the supporting structural elements possessed adequate |
| was the Architect
| |
|
| |
|
| Enaineer for the plant. These structural
| | structural integrity to sustain the required loads. |
|
| |
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| inadequacies
| | 2) Inadeouate design criteria for the reactions from supports anchored into |
|
| |
|
| were reported to be attributable
| | the face of concrete block walls; e.g., relying on the combined strength |
|
| |
|
| to two deficiencies:
| | of double concrete block walls without positive connection between the |
| 1) Apparent lack of a final check of certain pipe support locations
| |
|
| |
|
| and reactions to ensure that the supporting
| | two walls by means other than the bond provided by a layer of grout between |
|
| |
|
| structural
| | them. |
|
| |
|
| elements possessed
| | The NRC is currently pursuing these issues in detail for the Trojan Nuclear Plant |
|
| |
|
| adequate structural
| | to determine the extent of these deficiencies and the generic implications for |
|
| |
|
| integrity
| | other Bechtel facilities. |
|
| |
|
| to sustain the required loads.2) Inadeouate
| | This Information Notice is provided as an early notification of a possible signif- icant matter. It is expected that recipients will review the information for |
|
| |
|
| design criteria for the reactions
| | possible applicability to their facilities and the actions being performed under |
|
| |
|
| from supports anchored into the face of concrete block walls; e.g., relying on the combined strength of double concrete block walls without positive connection
| | IE Bulletin No. 79-02. Specific action is being requested relating to the adequacy |
|
| |
|
| between the two walls by means other than the bond provided by a layer of grout between them.The NRC is currently
| | of attachments to concrete block walls under IE Bulletin No. 79-02, Revision 2, item 5.c. No specific actions are requested in response to this Information Notice. |
|
| |
|
| pursuing these issues in detail for the Trojan Nuclear Plant to determine
| | If NRC evaluations so indicate, further licensee actions may be requested or |
|
| |
|
| the extent of these deficiencies | | required. If you have any questions regarding this matter, please contact the |
|
| |
|
| and the generic implications
| | Director of the appropriate NRC Regional Office. |
|
| |
|
| for other Bechtel facilities.
| | No written response to this IE Information Notice is required. |
|
| |
|
| This Information
| | IE Information Notice No. 79-28 Enclosure |
|
| |
|
| Notice is provided as an early notification
| | ===November 16, 1979=== |
| | RECENTLY ISSUED |
|
| |
|
| of a possible signif-icant matter. It is expected that recipients
| | IE INFORMATION NOTICES |
|
| |
|
| will review the information
| | Information Subject Date Issued To |
|
| |
|
| for possible applicability
| | Notice No. Issued |
|
| |
|
| to their facilities
| | 79-27 Steam Generator Tube 11/16!:79 All Power reactor facilities |
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| |
|
| and the actions being performed | | Ruptures At Two PWR holding OLs and CPs |
|
| |
|
| under IE Bulletin No. 79-02. Specific action is being requested
| | Facilities |
|
| |
|
| relating to the adequacy of attachments
| | 79-12A Attempted Damage To New 11/9/7' All Fuel Facilities, Fuel Assemblies research reactors, and |
|
| |
|
| to concrete block walls under IE Bulletin No. 79-02, Revision 2, item 5.c. No specific actions are requested
| | Dower reactors with an |
|
| |
|
| in response to this Information
| | OL or CP |
|
| |
|
| Notice.If NRC evaluations
| | 79-26 Breach of Containment 11/5/79 All power reactor facilities |
|
| |
|
| so indicate, further licensee actions may be requested
| | Integrity holding OLs and CPs |
|
| |
|
| or required.
| | 79-25 Reactor Trips At Turkey 10/1/79 All nower facilities with |
|
| |
|
| If you have any questions
| | Point Units 3 And 4 an OL or a CP |
|
| |
|
| regarding
| | 79-24 Overoressurization Of 10/1/79 All power reactor facilities |
|
| |
|
| this matter, please contact the Director of the appropriate
| | Containment Of A PWR Plant with a CP |
|
| |
|
| NRC Regional Office.No written response to this IE Information
| | After A Main Steam Line |
|
| |
|
| Notice is required.
| | Break |
|
| |
|
| IE Information
| | 79-23 Emergency Diesel Generator 9/26/79 All power reactor |
|
| |
|
| Notice No. 79-28 November 16, 1979 RECENTLY ISSUED IE INFORMATION
| | Lube Oil Coolers facilities holding OLs |
|
| |
|
| ===NOTICES Enclosure Information===
| | and CPs |
| Notice No.Subject Date Issued Issued To 79-27 79-12A 79-26 79-25 79-24 Steam Generator
| |
|
| |
|
| Tube 11/16!: Ruptures At Two PWR Facilities
| | 79-22 Qualification of Control 9/14/7i9 All Dower reactor |
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| |
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| Attempted
| | Systems facilities with |
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| |
|
| Damage To New 11/9/7'Fuel Assemblies
| | operating licenses |
|
| |
|
| Breach of Containment
| | and construction permits. |
|
| |
|
| 11/5/79 Integrity Reactor Trips At Turkey 10/1/79 Point Units 3 And 4 Overoressurization
| | 79-21 Transportation and Commercial 9/7/79 All power and research |
|
| |
|
| Of 10/1/79 Containment
| | Burial of Radioactive Material reactors with OL's |
|
| |
|
| Of A PWR Plant After A Main Steam Line Break Emergency
| | 79-20 NRC Enforcement Policy c9/7/79 All Holders of Reactor |
|
| |
|
| Diesel Generator
| | (Rev. 1) NRC Licensed Individuals nLs and CPs and Production |
|
| |
|
| 9/26/79 Lube Oil Coolers Qualification
| | Licensees with Licensed |
|
| |
|
| of Control 9/14/7i Systems Transportation
| | nperators |
|
| |
|
| and Commercial
| | 79-20 NRC Enforcement Policy 8/14/79 All Holders of Reactor |
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| |
|
| 9/7/79 Burial of Radioactive
| | NRC Licensed Individuals OLs and CPs and Production |
|
| |
|
| ===Material 79 All Power reactor facilities===
| | Licensees with Licensed |
| holding OLs and CPs All Fuel Facilities, research reactors, and Dower reactors with an OL or CP All power reactor facilities
| |
|
| |
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| holding OLs and CPs All nower facilities
| | Onerators}} |
| | |
| with an OL or a CP All power reactor facilities
| |
| | |
| with a CP All power reactor facilities
| |
| | |
| holding OLs and CPs 79-23 79-22 79-21 9 All Dower reactor facilities
| |
| | |
| with operating
| |
| | |
| licenses and construction
| |
| | |
| permits.All power and research reactors with OL's All Holders of Reactor nLs and CPs and Production
| |
| | |
| Licensees
| |
| | |
| with Licensed nperators 79-20 (Rev. 1)NRC Enforcement
| |
| | |
| ===Policy NRC Licensed Individuals===
| |
| NRC Enforcement
| |
| | |
| ===Policy NRC Licensed Individuals===
| |
| c 9/7/79 79-20 8/14/79 All Holders of Reactor OLs and CPs and Production
| |
| | |
| Licensees
| |
| | |
| with Licensed Onerators}}
| |
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| {{Information notice-Nav}} | | {{Information notice-Nav}} |
Overloading of Structural Elements Due to Pipe Support LoadsML031180186 |
Person / Time |
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Site: |
05000000 |
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Issue date: |
11/16/1979 |
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From: |
NRC/IE |
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To: |
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References |
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IN-79-028, NUDOCS 7910250485 |
Download: ML031180186 (2) |
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Category:NRC Information Notice
MONTHYEARInformation Notice 1990-15, Reciprocity Notification of Agreement State Radiation Control Directors Before Beginning Work in Agreement States1990-03-17017 March 1990 Reciprocity Notification of Agreement State Radiation Control Directors Before Beginning Work in Agreement States Information Notice 1990-18, Potential Problems With Crosby Safety Relief Valves Used on Diesel Generator Air Start Receiver Tanks1990-03-0909 March 1990 Potential Problems With Crosby Safety Relief Valves Used on Diesel Generator Air Start Receiver Tanks Information Notice 1990-18, Potential Problems with Crosby Safety Relief Valves Used on Diesel Generator Air Start Receiver Tanks1990-03-0909 March 1990 Potential Problems with Crosby Safety Relief Valves Used on Diesel Generator Air Start Receiver Tanks Information Notice 1990-17, Weight and Center of Gravity Discrepancies for Copes-Vulcan Valves1990-03-0808 March 1990 Weight and Center of Gravity Discrepancies for Copes-Vulcan Valves Information Notice 1990-16, Compliance with New Decommissioning Rule1990-03-0707 March 1990 Compliance with New Decommissioning Rule Information Notice 1990-14, Accidental Disposal of Radioactive Materials1990-03-0606 March 1990 Accidental Disposal of Radioactive Materials Information Notice 1990-13, Importance of Review and Analysis of Safeguards Event Logs1990-03-0505 March 1990 Importance of Review and Analysis of Safeguards Event Logs Information Notice 1990-11, Maintenance Deficiency Associated with Solenoid-Operated Valves1990-02-28028 February 1990 Maintenance Deficiency Associated with Solenoid-Operated Valves Information Notice 1990-12, Monitoring or Interruption of Plant Communications1990-02-28028 February 1990 Monitoring or Interruption of Plant Communications Information Notice 1990-09, Extended Interim Storage of Low-Level Radioactive Waste by Fuel Cycle and Materials Licensees1990-02-0505 February 1990 Extended Interim Storage of Low-Level Radioactive Waste by Fuel Cycle and Materials Licensees Information Notice 1990-08, KR-85 Hazards From Decayed Fuel1990-02-0101 February 1990 KR-85 Hazards From Decayed Fuel Information Notice 1990-08, KR-85 Hazards from Decayed Fuel1990-02-0101 February 1990 KR-85 Hazards from Decayed Fuel Information Notice 1990-07, New Information Regarding Insulation Material Performance and Debris Blockage of PWR Containment Sumps1990-01-30030 January 1990 New Information Regarding Insulation Material Performance and Debris Blockage of PWR Containment Sumps Information Notice 1990-06, Potential for Loss of Shutdown Cooling While at Low Reactor Coolant Levels1990-01-29029 January 1990 Potential for Loss of Shutdown Cooling While at Low Reactor Coolant Levels Information Notice 1990-05, Inter-System Discharge of Reactor Coolant1990-01-29029 January 1990 Inter-System Discharge of Reactor Coolant Information Notice 1990-03, Malfunction of Borg-Warner Bolted Bonnet Check Valves Caused by Failure of the Swing Arm1990-01-23023 January 1990 Malfunction of Borg-Warner Bolted Bonnet Check Valves Caused by Failure of the Swing Arm Information Notice 1990-02, Potential Degradation of Secondary Containment1990-01-22022 January 1990 Potential Degradation of Secondary Containment Information Notice 1990-01, Importance of Proper Response to Self-Identified Violations by Licensees1990-01-12012 January 1990 Importance of Proper Response to Self-Identified Violations by Licensees Information Notice 1989-89, Event Notification Worksheets1989-12-26026 December 1989 Event Notification Worksheets Information Notice 1989-88, Recent NRC-Sponsored Testing of Motor-Operated Valves1989-12-26026 December 1989 Recent NRC-Sponsored Testing of Motor-Operated Valves Information Notice 1989-87, Disabling of Emergency Diesel Generators by Their Neutral Ground-Fault Protection Circuitry1989-12-19019 December 1989 Disabling of Emergency Diesel Generators by Their Neutral Ground-Fault Protection Circuitry Information Notice 1989-85, Epa'S Interim Final Rule on Medical Waste Tracking and Management1989-12-15015 December 1989 Epa'S Interim Final Rule on Medical Waste Tracking and Management Information Notice 1989-86, Type Hk Circuit Breakers Missing Close Latch Anti-Shock Springs1989-12-15015 December 1989 Type Hk Circuit Breakers Missing Close Latch Anti-Shock Springs Information Notice 1989-83, Sustained Degraded Voltage on the Offsite Electrical Grid and Loss of Other Generating Stations as a Result of a Plant Trip1989-12-11011 December 1989 Sustained Degraded Voltage on the Offsite Electrical Grid and Loss of Other Generating Stations as a Result of a Plant Trip Information Notice 1989-83, Sustained Degraded Voltage on the Offsite Electrical Grid and Loss of Other Generating Stations As a Result of a Plant Trip1989-12-11011 December 1989 Sustained Degraded Voltage on the Offsite Electrical Grid and Loss of Other Generating Stations As a Result of a Plant Trip Information Notice 1989-82, Recent Safety-Related Incidents at Large Irradiators1989-12-0707 December 1989 Recent Safety-Related Incidents at Large Irradiators Information Notice 1989-59, Suppliers of Potentially Misrepresented Fasteners1989-12-0606 December 1989 Suppliers of Potentially Misrepresented Fasteners Information Notice 1989-81, Inadequate Control of Temporary Modifications to Safety-Related Systems1989-12-0606 December 1989 Inadequate Control of Temporary Modifications to Safety-Related Systems Information Notice 1989-80, Potential for Water Hammer, Thermal Strafication, and Steam Binding in High-Pressure Coolant Injection Piping1989-12-0101 December 1989 Potential for Water Hammer, Thermal Strafication, and Steam Binding in High-Pressure Coolant Injection Piping Information Notice 1989-79, Degraded Coatings and Corrosion of Steel Containment Vessels1989-12-0101 December 1989 Degraded Coatings and Corrosion of Steel Containment Vessels Information Notice 1989-56, Questionable Certification of Material Supplied to the Defense Dept. by Nuclear Suppliers1989-11-22022 November 1989 Questionable Certification of Material Supplied to the Defense Dept. by Nuclear Suppliers Information Notice 1989-56, Questionable Certification of Material Supplied to the Defense Dept. By Nuclear Suppliers1989-11-22022 November 1989 Questionable Certification of Material Supplied to the Defense Dept. By Nuclear Suppliers Information Notice 1989-78, Failure of Packing Nuts on One-Inch Uranium Hexafluoride Cylinder Valves1989-11-22022 November 1989 Failure of Packing Nuts on One-Inch Uranium Hexafluoride Cylinder Valves Information Notice 1989-76, Biofouling Agent: Zebra Mussel1989-11-21021 November 1989 Biofouling Agent: Zebra Mussel Information Notice 1989-77, Debris in Containment Emergency Sumps and Incorrect Screen Configurations1989-11-21021 November 1989 Debris in Containment Emergency Sumps and Incorrect Screen Configurations Information Notice 1989-75, Falsification of Welder Qualifications for Contractor Employees1989-11-20020 November 1989 Falsification of Welder Qualifications for Contractor Employees Information Notice 1989-74, Clarification of Transportation Requirements Applicable to Return of Spent Radiopharmacy Dosages from Users to Suppliers1989-11-0707 November 1989 Clarification of Transportation Requirements Applicable to Return of Spent Radiopharmacy Dosages from Users to Suppliers Information Notice 1989-73, Potential Overpressurization of Low Pressure Systems1989-11-0101 November 1989 Potential Overpressurization of Low Pressure Systems Information Notice 1989-72, Failure of Licensed Senior Operators to Classify Emergency Events Properly1989-10-24024 October 1989 Failure of Licensed Senior Operators to Classify Emergency Events Properly Information Notice 1989-71, Diversion of the Residual Heat Removal Pump Seal Cooling Water Flow During Recirculation Operation Following a Loss-Of-Coolant Accident1989-10-19019 October 1989 Diversion of the Residual Heat Removal Pump Seal Cooling Water Flow During Recirculation Operation Following a Loss-Of-Coolant Accident Information Notice 1989-70, Possible Indications of Misrepresented Vendor Products1989-10-11011 October 1989 Possible Indications of Misrepresented Vendor Products Information Notice 1989-68, Evaluation of Instrument Setpoints During Modifications1989-09-25025 September 1989 Evaluation of Instrument Setpoints During Modifications Information Notice 1989-67, Loss of Residual Heat Removal Caused by Accumulator Nitrogen Injection1989-09-13013 September 1989 Loss of Residual Heat Removal Caused by Accumulator Nitrogen Injection Information Notice 1989-66, Qualification Life of Solenoid Valves1989-09-11011 September 1989 Qualification Life of Solenoid Valves Information Notice 1989-65, Potential for Stress Corrosion Cracking in Steam Generator Tube Plugs Supplied by Babcock and Wilcox1989-09-0808 September 1989 Potential for Stress Corrosion Cracking in Steam Generator Tube Plugs Supplied by Babcock and Wilcox Information Notice 1989-64, Electrical Bus Bar Failures1989-09-0707 September 1989 Electrical Bus Bar Failures Information Notice 1989-63, Possible Submergence of Electrical Circuits Located Above the Flood Level Because of Water Intrusion and Lack of Drainage1989-09-0505 September 1989 Possible Submergence of Electrical Circuits Located Above the Flood Level Because of Water Intrusion and Lack of Drainage Information Notice 1989-62, Malfunction of Borg-Warner Pressure Seal Bonnet Check Valves Caused by Vertical Misalignment of Disk1989-08-31031 August 1989 Malfunction of Borg-Warner Pressure Seal Bonnet Check Valves Caused by Vertical Misalignment of Disk Information Notice 1989-61, Failure of Borg-Warner Gate Valves to Close Against Differential Pressure1989-08-30030 August 1989 Failure of Borg-Warner Gate Valves to Close Against Differential Pressure Information Notice 1989-58, Disablement of Turbine-Driven Auxiliary Feedwater Pump Due to Closure of One of the Parallel Steam Supply Valves1989-08-0303 August 1989 Disablement of Turbine-Driven Auxiliary Feedwater Pump Due to Closure of One of the Parallel Steam Supply Valves 1990-03-09
[Table view] |
SSINS NO: 6870 t
Accession No.: 791025O4X5 UNITED STATES
NUCLEAR REGULATORY COMMISSION
OFFICE OF INSPECTION AND ENFORCEMENT
WASHINGTON, D.C. 20555 November 16, 1979 IE Information Notice No. 79-28 OVERLOADING OF STRUCTURAL ELEMENTS DUE TO PIPE SUPPORT LOADS
Description of Circumstances
Recently, the NRC was informed that, in the course of the inspections pursuant
to IE Bulletin No. 79-02 and 79-14 by the Portland General Electric Co. (PGE) at
the Trojan Nuclear Plant, some walls were found which did not have adequate
structural strength to sustain the required support reactions. Bechtel Corporation
was the Architect Enaineer for the plant. These structural inadequacies were
reported to be attributable to two deficiencies:
1) Apparent lack of a final check of certain pipe support locations and reactions
to ensure that the supporting structural elements possessed adequate
structural integrity to sustain the required loads.
2) Inadeouate design criteria for the reactions from supports anchored into
the face of concrete block walls; e.g., relying on the combined strength
of double concrete block walls without positive connection between the
two walls by means other than the bond provided by a layer of grout between
them.
The NRC is currently pursuing these issues in detail for the Trojan Nuclear Plant
to determine the extent of these deficiencies and the generic implications for
other Bechtel facilities.
This Information Notice is provided as an early notification of a possible signif- icant matter. It is expected that recipients will review the information for
possible applicability to their facilities and the actions being performed under
IE Bulletin No. 79-02. Specific action is being requested relating to the adequacy
of attachments to concrete block walls under IE Bulletin No. 79-02, Revision 2, item 5.c. No specific actions are requested in response to this Information Notice.
If NRC evaluations so indicate, further licensee actions may be requested or
required. If you have any questions regarding this matter, please contact the
Director of the appropriate NRC Regional Office.
No written response to this IE Information Notice is required.
IE Information Notice No. 79-28 Enclosure
November 16, 1979
RECENTLY ISSUED
IE INFORMATION NOTICES
Information Subject Date Issued To
Notice No. Issued
79-27 Steam Generator Tube 11/16!:79 All Power reactor facilities
Ruptures At Two PWR holding OLs and CPs
Facilities79-12A Attempted Damage To New 11/9/7' All Fuel Facilities, Fuel Assemblies research reactors, and
Dower reactors with an
OL or CP
79-26 Breach of Containment 11/5/79 All power reactor facilities
Integrity holding OLs and CPs
79-25 Reactor Trips At Turkey 10/1/79 All nower facilities with
Point Units 3 And 4 an OL or a CP
79-24 Overoressurization Of 10/1/79 All power reactor facilities
Containment Of A PWR Plant with a CP
After A Main Steam Line
Break
79-23 Emergency Diesel Generator 9/26/79 All power reactor
Lube Oil Coolers facilities holding OLs
and CPs
79-22 Qualification of Control 9/14/7i9 All Dower reactor
Systems facilities with
operating licenses
and construction permits.
79-21 Transportation and Commercial 9/7/79 All power and research
Burial of Radioactive Material reactors with OL's
79-20 NRC Enforcement Policy c9/7/79 All Holders of Reactor
(Rev. 1) NRC Licensed Individuals nLs and CPs and Production
Licensees with Licensed
nperators
79-20 NRC Enforcement Policy 8/14/79 All Holders of Reactor
NRC Licensed Individuals OLs and CPs and Production
Licensees with Licensed
Onerators
|
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|
list | - Information Notice 1979-01, Bergen-Paterson Hydraulic Shock & Sway Arrestors (Hssa) (2 February 1979)
- Information Notice 1979-01, Bergen-Paterson Hydraulic Shock & Sway Arrestors (HSSA) (2 February 1979)
- Information Notice 1979-03, Limitorque Valve Geared Limit Switch Lubricant (9 February 1979)
- Information Notice 1979-04, Degradation of Engineered Safety Features (16 February 1979)
- Information Notice 1979-05, Use of Improper Materials in Safety-Related Components (21 March 1979)
- Information Notice 1979-06, Stress Analysis of Safety-Related Piping (23 March 1979, Topic: Earthquake)
- Information Notice 1979-07, Rupture of Radwaste Tanks (26 March 1979)
- Information Notice 1979-08, Interconnection of Contaminated Systems with Service Air Systems Used as Source of Breathing Air (28 March 1979)
- Information Notice 1979-08, Interconnection of Contaminated Systems With Service Air Systems Used As Source of Breathing Air (28 March 1979)
- Information Notice 1979-09, Spill of Radioactively Contaminated Resin (30 March 1979, Topic: Hydrostatic)
- Information Notice 1979-19, Pipe Cracks in Stagnant Borated Water Systems at PWR Plants (17 July 1979, Topic: Boric Acid, Hydrostatic, Liquid penetrant)
- Information Notice 1979-20, NRC Enforcement Policy - NRC Licensed Individuals (7 September 1979)
- Information Notice 1979-21, Transportation & Commercial Burial of Radioactive Material (7 September 1979)
- Information Notice 1979-22, Qualification of Control Systems (14 September 1979)
- Information Notice 1979-24, Overpressurization of Containment of a PWR Plant After a Main Steam Line Break (1 October 1979)
- Information Notice 1979-25, Reactor Trips at Turkey Point Units 3 & 4 (1 October 1979)
- Information Notice 1979-26, Breach of Containment Integrity (5 November 1979)
- Information Notice 1979-28, Overloading of Structural Elements Due to Pipe Support Loads (16 November 1979)
- Information Notice 1979-29, Loss of Nonsafety-Related Reactor Coolant System Instrumentation During Operation (16 November 1979)
- Information Notice 1979-30, Reporting of Defects & Noncompliances, 10 CFR Part 21 (6 December 1979)
- Information Notice 1979-31, Use of Incorrect Amplified Response Spectra (13 December 1979)
- Information Notice 1979-32, Separation of Electrical Cables for HPCI and ADS (21 December 1979, Topic: Fire Watch)
- Information Notice 1979-33, Improper Closure of Primary Containment Equipment Access Matches (21 December 1979)
- Information Notice 1979-34, Inadequate Design of Safety-Related Heat Exchangers (27 December 1979)
- Information Notice 1979-35, Control of Maintenance & Essential Equipment (31 December 1979)
- Information Notice 1979-36, Computer Code Defect in Stress Analysis of Piping Elbow (31 December 1979)
- Information Notice 1979-37, Cracking in Low Pressure Turbine Discs (28 December 1979, Topic: Turbine Missile)
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