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	Issue date	Title	Topic
ML20217K915	15 October 1999	SER Authorizing Util Relief Request RR-ENG-2-3 for Second 10-year ISI Interval of Stp,Units 1 & 2 Pursuant to 10CFR50.55a(a)(3)(i)	Nondestructive Examination Incorporated by reference
ML20217K944	15 October 1999	SER Accepting Util Alternative Proposed Relief Request RR-ENG-2-4 for Second 10-year ISI Interval at Stp,Units 1 & 2 Pursuant to 10CFR50.55a(a)(3)(i)	Nondestructive Examination
ML20217D053	30 September 1999	Rev 1 to STP Electric Generating Station Unit 2 Cycle 7 Colr
NOC-AE-000676, Monthly Operating Repts for Sept 1999 for South Texas Project,Units 1 & 2.With	30 September 1999	Monthly Operating Repts for Sept 1999 for South Texas Project,Units 1 & 2.With
ML20217D048	30 September 1999	Rev 1 to STP Electric Generating Station Unit 1 Cycle 9 Colr
ML17300B381	30 September 1999	Monthly Operating Repts for Sept 1999 for Pvngs,Units 1,2 & 3.With 991007 Ltr
ML20211P781	9 September 1999	SER Approving Second 10-year Interval Inservice Insp Program Plan Relief Request RR-ENG-2-8 (to Use Code Case N-491-2) for South Texas Project,Units 1 & 2	Incorporated by reference
ML20211P841	9 September 1999	Safety Evaluation Supporting Alternative Proposed by Licensee to Surface Exam to Perform Boroscopic VT-1 Visual Exam of Pump Casing Welds within Pump Pits for Welds Covered by Relief Request RR-ENG-24	Incorporated by reference
ML20211Q673	9 September 1999	Safety Evaluation Accepting First 10-yr Interval ISI Program Plan Request for Relief from ASME Code Case N-498	Boric Acid Hydrostatic VT-2 Incorporated by reference
NOC-AE-000643, Monthly Operating Repts for Aug 1999 for South Texas Project,Units 1 & 2.With	31 August 1999	Monthly Operating Repts for Aug 1999 for South Texas Project,Units 1 & 2.With
ML20212E519	31 August 1999	Rev 3 to SG-99-04-005, STP 1RE08 Outage Condition Monitoring Rept & Final Operational Assessment
ML17300B327	31 August 1999	Monthly Operating Rept for Aug 1999 for Pvngs,Units 1,2 & 3
ML17313B075	27 August 1999	LER 99-002-00:on 990730,test Mode Trip Bypass for EDG Output Breakers Not Surveilled.Cause Under Investigation.Operations Personnel Conservatively Invoked SR 3.0.3 for SR 3.8.1.13. with 990827 Ltr	Missed surveillance
ML20211F453	24 August 1999	Safety Evaluation Supporting Licensee Proposed Alternative to Defer Partial First Period Exams of flange-to-shell Weld to Third Period & Perform Required Ultrasonic Exams,Both Manual & Automated,During Third Period	Non-Destructive Examination Incorporated by reference
ML20211F511	23 August 1999	Safety Evaluation Supporting Licensee Proposed Alternative Contained in Request for Relief RR-ENG-30	Nondestructive Examination VT-2 Incorporated by reference
ML20210C941	31 July 1999	Rev 1 to SG-99-07-002, South Tx,Unit 1 Cycle 9 Voltage- Based Repair Criteria 90-Day Rept, Jul 1999
ML20210R363	31 July 1999	Monthly Operating Repts for July 1999 for South Tx Project, Units 1 & 2.With
ML17313B061	31 July 1999	Monthly Operating Repts for July 1999 for Pvngs,Units 1,2 & 3.With 990810 Ltr
ML20210D916	23 July 1999	Safety Evaluation Accepting Inservice Testing Relief Request RR-56 Re Component Cooling Water & Safety Injection Sys Containment Isolation Check Valve Closure Test Frequency	Enforcement Discretion Probabilistic Risk Assessment Incorporated by reference Foreign Material Exclusion Large early release frequency
ML20210D449	21 July 1999	Revised Chapters to Operations QA Plan, Including Rev 9 to Chapter 1.0, Organization & Rev 6 to Chapter 16.0, Independent Technical Review
ML20210D482	21 July 1999	1RE08 ISI Summary Rept for Steam Generator Tubing of South Texas Project Electric Generating Station Unit 1
ML17313B019	16 July 1999	LER 99-005-00:on 990618,RT on Low DNBR Was Noted.Caused by Hardware Induced Calculation Error.Cr Operator Was Taken to Place Reactor in Stable Condition IAW Appropriate Operating Procedure	Anticipated operational occurrence
NOC-AE-000583, LER 99-S03-00:on 990619,failure to Revitalize Sdg Number 11 Was Noted.Caused by Failure to Communicate Status of Sdg. Subject Sdg Revitalized on 990619 & Licensee Will Develop Security Force Instruction Re Sdgs.With	15 July 1999	LER 99-S03-00:on 990619,failure to Revitalize Sdg Number 11 Was Noted.Caused by Failure to Communicate Status of Sdg. Subject Sdg Revitalized on 990619 & Licensee Will Develop Security Force Instruction Re Sdgs.With
ML20207H636	8 July 1999	Safety Evaluation Approving 2nd 10 Yr Interval ISI Program Plan Request to Use ASME Section XI Code Case N-546 for Licenses NPF-76 & NPF-80,respectively	Nondestructive Examination VT-2 Incorporated by reference
ML20216D748	7 July 1999	1RE08 ISI Summary Rept for Welds & Component Supports of STP Electric Generating Station,Unit 1	Nondestructive Examination VT-2 Liquid penetrant
ML17300B315	30 June 1999	Monthly Operating Repts for June 1999 for Pvngs,Units 1,2 & 3.With 990714 Ltr
NOC-AE-000593, Monthly Operating Repts for June 1999 for Stp,Units 1 & 2. with	30 June 1999	Monthly Operating Repts for June 1999 for Stp,Units 1 & 2. with
NOC-AE-000570, LER 99-S01-00:on 990527,discovered That Unescorted Access Had Been Inappropriately Granted.Caused by Failure to Follow Procedure.Util Verified That Individual Did Not Have Current Unescorted Access at STP or Any Other Util.With	28 June 1999	LER 99-S01-00:on 990527,discovered That Unescorted Access Had Been Inappropriately Granted.Caused by Failure to Follow Procedure.Util Verified That Individual Did Not Have Current Unescorted Access at STP or Any Other Util.With
ML20196G582	23 June 1999	LER 99-S02-00:on 990601,failure to Maintain Positive Control of Vital Area Security Key Was Noted.Caused by Lack of Attention to Detail.Discussed Event with Operator Involved IAW Constructive Discipline Program	Stolen
ML17313A992	21 June 1999	Special Rept:On 990525,RMS mini-computer Was Removed from Service to Implement Yr 2000 Mod & Was OOS Longer than 72 H Allowed.Caused by Planned Y2K Mods.Preplanned Alternate Sampling Program Was Initiated	Offsite Dose Calculation Manual
ML17313A991	18 June 1999	Special Rept:On 990510,loose-part Detection Sys Channel 2 Was Declared Inoperable.Caused by Malfunction of Mineral Cable Connector to Accelerometer.Licensee Will Implement Modifications Which Will Enhance loose-part Detection Sys
ML20195J687	17 June 1999	Safety Evaluation Supporting Proposed Alternative Contained in RR-ENG-2-5.Proposed Alternative Authorized Per 10CFR50.55a(a)(3)(i) for 2nd ISI Interval	Incorporated by reference
ML20196A239	15 June 1999	Change QA-042 to Rev 13 of Operations QAP, Reflecting Current Organizational Alignment for South Texas Project & Culminating Organizational Realigment That Has Been Taking Place During Past Several Months	Nondestructive Examination Fire Protection Program
ML17313A973	31 May 1999	Monthly Operating Repts for May 1999 for Pvngs,Units 1,2 & 3.With 990608 Ltr
NOC-AE-000563, Monthly Operating Repts for May 1999 for Stp,Units 1 & 2. with	31 May 1999	Monthly Operating Repts for May 1999 for Stp,Units 1 & 2. with
ML20206U541	18 May 1999	Non-proprietary Errata Pages for Rev 2,Addendum 1 to WCAP-13699, Laser Welded Sleeves for 3/4 Inch Diamete Tube Feedring Type & W Preheater SGs Generic Sleeving Rept
ML17313A928	7 May 1999	LER 99-004-00:on 990408,PSV Lift Pressures Were Outside of TS Limits.Caused by Lift Pressure Setpoint Drift.Psvs Have Been Tested,Disassembled,Inspected,Reassembled & Certified at Wyle Labs
ML17313A920	30 April 1999	Monthly Operating Repts for Apr 1999 for Pvngs,Units 1,2 & 3.With 990512 Ltr
ML20206A772	30 April 1999	STP Electric Generating Station Unit 1 Cycle 9 Colr
NOC-AE-000543, Monthly Operating Repts for Apr 1999 for Stp,Units 1 & 2. with	30 April 1999	Monthly Operating Repts for Apr 1999 for Stp,Units 1 & 2. with
ML17313A895	14 April 1999	LER 99-003-00:on 990317,required Surveillance Requirement Not Completed Due to Deficient Procedure,Was Determined. Caused by Cognitive Personnel Error.St Procedures Revised to Require Chiller to Be Operating & Oil Temperature Checked	Ultimate heat sink Missed surveillance
ML17313A892	13 April 1999	LER 98-003-01:on 980902,discovered That MSSV as-found Lift Pressures Were Outside TS Limits.Caused by Bonding of Valve Disc to Nozzle Seat.Affected Valves Were Adjusted,Retested & Returned to Svc
ML17313A889	9 April 1999	LER 99-001-00:on 990310,RT on High Pressurizer Pressure Was Noted.Caused by Loss of Heat Removal.Cr Supervisor Was Removed from Shift Duties for Diagnostics Skills Training. with 990409 Ltr	Shutdown Margin
ML17313A880	31 March 1999	Monthly Operating Repts for Mar 1999 for Pvngs,Units 1,2 & 3.With 990412 Ltr
ML20205H032	31 March 1999	Change QA-040 to Rev 13 of Operations QA Plan	Nondestructive Examination
ML17300B307	31 March 1999	Seismic Portion of Submittal-Only Screening Review of Palo Verde Nuclear Generating Station Units Ipeee.	Safe Shutdown Safe Shutdown Earthquake Design basis earthquake Earthquake
NOC-AE-000507, Monthly Operating Repts for Mar 1999 for Stp,Units 1 & 2. with	31 March 1999	Monthly Operating Repts for Mar 1999 for Stp,Units 1 & 2. with
ML20205A378	22 March 1999	STP Electric Generating Station Simulator Certification Four Yr Rept for Units 1 & 2
ML20204B271	15 March 1999	Safety Evaluation Authorizing 990201 Request to Authorize Alternative to Regulations Per 10CFR50.55a(a)(3)(i) That Would Revise Start of Second 120-month IST Interval to No Later than 011201	Incorporated by reference
ML20207M923	12 March 1999	Amended Part 21 Rept Re Cooper-Bessemer Ksv EDG Power Piston Failure.Total of 198 or More Pistons Have Been Measured at Seven Different Sites.All Potentially Defective Pistons Have Been Removed from Svc Based on Encl Results

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