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| Issue date | Title | Topic | |
|---|---|---|---|
| ML19210E692 | 23 November 1979 | Second Interim Deficiency Rept Re Crack in Partially Embedded Rebar.Const Procedures at Sites Revised.Plans to Submit Next Rept by 800208 | |
| ML19256F200 | 26 November 1979 | First Interim Deficiency Rept Re Nonconformance in Metal Conduits.Damaged Threads,Burrs & Flaked Galvanized Coating Detected.Defective Parts Will Be Returned to Triangle Pwc & All Conduits Inspected | |
| ML19256F633 | 23 November 1979 | Second Interim Deficiency Rept Re Rebar Bending Not in Accordance W/Specs.Div of Const Procedures for Bending Partially Embedded Rebar Did Not Implement Const Spec G-2 Requirements.Const Procedures Revised | |
| ML19256F645 | 26 November 1979 | First Interim Deficiency Rept Re Defective Electrical Conduit.Defects Identified as Damaged Threads,Burrs,Out of Round & Flaking of Galvanized Coating.All Conduits Being Inspected & Defective Conduit Returned to Triangle Pwc | |
| ML19261D535 | 25 May 1979 | Deficiency Rept on 790525:piping Elbows Constructed from Unspecified Matl.Elbows W/Heat Code W6719 Were Identified, Tested & Returned to Manufacturer | |
| ML19296D151 | 22 February 1980 | Final Deficiency Rept:Received Defective Intermediate Metal Conduit from Triangle Pwc.Portion Embedded in Concrete Before Discovery.Caused by Damaged Threads & Flaking. Defective Conduits Will Be Inspected &/Or Returned | |
| ML19309H497 | 5 May 1980 | Second Interim Deficiency Rept Re Incorrect Use of Inertia Resulting in shear-related cross-sectional Property Calculations for Control Bldg.Investigation in Progress | |
| ML19312E487 | 27 May 1980 | First Interim Deficiency Rept Re Placement & Compaction of Concrete Pour A2-D1.Concrete Placement Is Being Evaluated for Acceptability w/G-2 Requirements.Honeycomb Increase Determined Not Excessive | |
| ML19316B081 | 27 May 1980 | First Interim Deficiency Rept Re Const QA Audit YC-C-80-05. on 800422,pour Not Placed & Compacted Per Const Specs.No QA Insp Performed.Inspectors Instructed in Requirements of General Const Spec G-2 | |
| ML19318A377 | 13 June 1980 | Final Deficiency Rept Re Failure of Concrete Pour A1-P3 to Obtain Initial Set in Normal Time.Apparently Caused by Abnormal Amount of Air Voids.Defective Concrete Replaced. Outline drawings,4RE0417-5R Series,Will Be Revised | Safe Shutdown |
| ML19320C029 | 11 July 1980 | Revised Final Deficiency Rept Re Placement of Earthfill in Essential Raw Cooling Water Spray Pond.Insufficiently Compacted Matl Was Removed & Replacement Fill Recompacted. Util Will Use Penetrometer Tests for Fill Operations | |
| ML19320C540 | 10 July 1980 | Final Deficiency Rept Re Placement of Earthfill in ERCW Spray Pond.Qa Audit Revealed Eight Items of Noncompliance Re Placement & Insp of Earthfill.Laborers Will Be Assigned to Remove All Visible Unsuitable Matl During Fill Placement | |
| ML19320C551 | 10 July 1980 | Final Deficiency Rept Re Const QA Audit.Concrete Placement Evaluated & Found Acceptable.Inspectors Instructed in Requirements of General Const Spec | |
| ML19321A377 | 9 July 1980 | Part 21 Rept Re Bristol Structural Steel Framing for Control Bldg.Rework of Fillet Welds Is Being Performed.Next Rept Will Be Submitted by 800815 | |
| ML19323F139 | 21 May 1980 | First Interim Deficiency Rept Re Const QA Audits for Sampling Gradation & Tests of Cylindrical Concrete Specimens.Items Under Evaluation.Next Rept Will Be Forwarded by 800709 | |
| ML19330C748 | 1 August 1980 | Third Interim Deficiency Rept Re Improper Documentation & Utilization of Computer Program Inertia.Documentation Revised to Restrict Use to Closed Sections.New Structural Responses Supplied & Verified | |
| ML19338G102 | 23 October 1980 | First Interim Deficiency Rept Re QA Audit M80-7,Deficiencies 2,3 & 5.Deficiencies Under Evaluation.Next Rept Will Be Submitted by 801125 | |
| ML19340D586 | 24 December 1980 | Revised Final Deficiency Rept,Initially Reported 801113,re Nonconservative Application of Tpipe Computer Program.Piping Analyses Affected by Incapability to Meet Design Criteria to Be Resubmitted for Reanalysis | |
| ML19340D601 | 23 December 1980 | Deficiency Repts 50-566/80-17-01 & 50-567/80-17-05.Div of Power Production Operational QA Manual Found Not Clearly Applicable for Preservice Insp in Vendor Shops.Manual Rewritten by Util.Changes to Be Incorporated by 810228 | |
| ML19343A191 | 11 September 1980 | Final Deficiency Rept Re 84 Reinforcing Bars Left Out of Wall Pour C1-F1 Located in Control Bldg.Caused by Inspector Error &/Or Rebar Removed for Other Installations.Missing Rebar Replaced.Detail Checkoff List Initiated to Aid Insp | |
| ML19343A700 | 5 November 1980 | Part 21 Rept Re Structural Steel Framing for Control Bldg. Rework of Fillet Welds Has Been Performed by Vendor Representatives & Items Now Comply W/Contract Spec Requirements.Audit Will Be Completed by 801201 | |
| ML19343B501 | 8 December 1980 | Part 21 Rept Re Reactor Protection Sys Flexible Conduit Defect Causing Hot Shorts If Improperly Grounded.Caused by Paint on Panel Surfaces or High Resistance Connection to Panel Survaces Where Termination Modules Are Mounted | Hot Short |
| ML19344D642 | 21 April 1980 | First Interim Deficiency Rept Re Improper Documentation & Utilization of Computer Program Inertia.Program Documentation Being Revised to Restrict Use to Closed Sections Only | |
| ML19344D671 | 21 April 1980 | First Interim Deficiency Rept Re Defective Concrete Pour in Auxiliary Bldg.Concrete Samples Have Been Sent to Singleton Lab for Testing | |
| ML19344D972 | 15 August 1980 | Second Interim Deficiency Rept Re Structural Steel Framing for Control Bldg.Deficiency Considered Reportable Under 10CFR21.Rework of Fillet Weld Has Been Performed by Vendor. Next Rept Will Be Submitted by 801106 | |
| ML19344D994 | 20 August 1980 | Third Interim Deficiency Rept Re Const QA Audit.Util Is in Final Stages of Evaluating Resolution for Item 2.Next Rept Will Be Provided by 801020 | |
| ML19345C297 | 25 November 1980 | Second Interim Deficiency Rept Re QA Audit M80-7 Deficiencies 2,3,5 & 14 Initially Reported on 800923.Some Conditions Adverse to Quality Are Being Reported on Procedure Revision Request Forms | Condition Adverse to Quality |
| ML19345G740 | 7 April 1981 | Part 21 Rept Re Welds on Joseph Oat Co Component Cooling Water Heat Exchangers,Initially Reported on 810306.Vendor Insp Revealed That Defects Appear Confined to Surface W/Possible Removal by Grinding | |
| ML19347E076 | 8 April 1981 | Second Interim Deficiency Rept Re Fillet Weld Misspec, Initially Submitted 801210.Design Review Reveals Deficiency Exists in Some Form at Every TVA Plant.Next Rept Scheduled for 810812 | |
| ML19350C916 | 31 March 1981 | Final Part 21 Rept Initially Reported 801008 Re Deficient Welds on Gas Stripper Pump Module.Norwalk Fabricators Will Supervise Removal of Deficient Piping.Work to Be Completed by 810515 | |
| ML19350D803 | 14 May 1981 | Final Deficiency Rept,Initially Reported 810414,re Nonconforming Concrete,Rebar & Bolt Coupler Placement in Fuel Bldg.Caused by Personnel Error & Misinterpreting Drawings.Slab Will Be Repoured by 810529 | |
| ML19351G547 | 19 February 1981 | First Interim Deficiency Rept Re Defects Revealed by Source Insp of Welds,Initially Submitted 810120.Investigation Initiated | |
| ML19352A172 | 5 March 1981 | First Interim Deficiency Rept Re Lamination of Soil in ERCW Spray Pond,Initially Reported 810204.Laminations Possibly Caused by Overcompaction of Liner &/Or Excessive Speed of Hauling Equipment.Block Samples Will Be Evaluated | |
| ML19352A980 | 28 May 1981 | Revised Final Deficiency Rept,Originaly Reported on 800321, Re Improper Documentation & Utilization of Computer Program Inertia.Inertia & Bigdyna Properly Utilized & Only Seismic Analysis for Control Bldg Affected | Earthquake |
| ML20002B032 | 1 December 1980 | Final Significant Deficiency Rept Initially Reported on 800421 Re Const QA Audit.Qc Employees Have Been Instructed to Obtain Matl Correctly.Oci C-204 Revised & Retest Required.Qc Reminded of New Requirements | |
| ML20002D117 | 9 January 1981 | First Interim Deficiency Rept Re Fillet Weld Misspecification Initially Reported 801210.American Inst of Steel Const Stds & Affected Welds Under Review.Next Rept Will Be Submitted by 810408 | |
| ML20003C033 | 5 February 1981 | Part 21 Rept Re Deficient Undersized Welds in Gas Stripper Module,Mfg by Norwalk Fabricators,Initially Reported 801008. Util Will Perform Repair If C-E Accepts Responsibility for Repair Procedures | |
| ML20003C912 | 13 March 1981 | First Interim Deficiency Rept,Originally Reported 810212 Re Unverified Seismic Analysis of Final Design for Essential Raw Cooling Water Pumping Station,Hatch Access Platform & Waste Mgt Bldg.Verification Incomplete.Next Rept by 810729 | |
| ML20003D590 | 20 March 1981 | Final Deficiency Rept,Originally Reported on 810220,re Bent, Shifting & Dislocated Rebar/Anchor Bolts.Caused by Drawing Interpretation Errors & Improper Handling & Rigging Practices.Rebars Straightened & New Bolts Grouted in | |
| ML20003D620 | 20 March 1981 | Third Interim Deficiency Rept,Originally Reported on 800923,re QA Audit M80-7 Deficiencies 2,3,5 & 14.Review of Deficiencies & Proposed Corrective Action Continuing.Next Rept Will Be Submitted by 810922 | Condition Adverse to Quality |
| ML20003G494 | 23 April 1981 | Final Rept Re Error in Tpipe Program,Initially Reported on 810327.Corrected Version of Tpipe Program Verified & Put Into Production.Poll Showed No Incorrect Design Info Issued from Using Error | |
| ML20004C081 | 26 May 1981 | First Interim Deficiency Rept Re Cooling Tower Makeup Control,Initially Submitted 810423.Analysis of safety-related Requirements Imposed by Design Criteria Is in Progress | |
| ML20005A410 | 23 June 1981 | Second Interim Deficiency Rept Re Source Insp,Initially Reported on 810120.Generic Implications Re Breakdown in Quality Sys at Source Insp Level Are Being Studied.Next Rept Will Be Submitted by 810904 | |
| ML20008F853 | 1 May 1981 | Part 21 Rept Re C-E Failure to Implement Design Criteria for Seal Welding to Anchor Bolt,Initially Reported 810401. Channel Will Be Machined Between Bolt Locations & Liner Seal Weld.Next Rept by 810804 | |
| ML20008F984 | 4 May 1981 | First Interim Deficiency Rept,Initially Reported 810402,re Tornado Depressurization Design Deficiencies.Ventilation Analysis for Intake & Essential Raw Cooling Water Pumping Stations Performed.Next Rept Will Be Submitted by 810909 | |
| ML20009F476 | 17 July 1981 | Second Interim Deficiency Rept,Initially Reported on 810212, Re Unverified Seismic Analysis for Final Design.Final Seismic Structural Analysis Has Been Checked & Verified.Next Rept Will Be Submitted by 811028 | |
| ML20009F559 | 22 April 1981 | Revised Final Deficiency Rept Re Welds on Gas Stripper Module,Initially Reported 801008.Piping Which Failed to Meet ASME Code Requirements Will Be Returned to Supplier for Repairs.Deficiency Also Reported Per Part 21 | |
| ML20009F578 | 8 July 1981 | Second Interim Deficiency Rept Re Cooling Tower Makeup Control,Initially Reported 810423.No Addl Info to Rept at Present.Next Rept Will Be Submitted by 810819 | |
| ML20009F633 | 21 April 1981 | Final Deficiency Rept Re Fl Steel Corp Undersized Fillet Welds W/Craters,Excessive Undercut,Lack of Fusion & Porosity Initially Reported 801121.Welds Repaired by Fl Steel Following Insp | |
| ML20009G126 | 24 July 1981 | Second Revised Final Deficiency Rept Re Welds on Gas Stripper Module,Initially Reported 801008.Norwalk Fabricators Will Remove Nonconforming Piping.Work Will Be Completed by 820301.Part 21 Applicable to Deficiency |