ML17312A945
| ML17312A945 | |
| Person / Time | |
|---|---|
| Site: | Palo Verde  |
| Issue date: | 05/14/1996 |
| From: | ARIZONA PUBLIC SERVICE CO. (FORMERLY ARIZONA NUCLEAR |
| To: | |
| Shared Package | |
| ML17312A937 | List: |
| References | |
| 90DP-0IP07, 90DP-IP7, NUDOCS 9609100145 | |
| Download: ML17312A945 (12) | |
Text
NUCLEAR ADMINISTRATIVEAND TECHNICALMANUAL Page 1
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Revision SIGNIFICANTCONDITIONINVESTIGATION 90DP-OIP07 PROCEDURE lid'ENT k
This procedure provides direction for performing Root Cause ofFailure investigations ofSignificant Conditions as categorized in accordance with 90AC-OIP04, Condition Reporting. Exceptions are Reactor Trip Events (90DP-OIP06) and Equipment Root Cause ofFailure Analysis (70DP-OEE01).
EFFECTIVE DATE 05-14-96 9609iOoi45 '&0823 boa naacp osooosas P
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NUCLEAR ADMINISTRATIVEAND TECHNICALMANUAL Page 2 of 7 SIGYiIFICANTCONDITION INVESTIGATION 90DP-OIP07 Revision TABLEOF CONTENTS SECTION 1.0 PURPOSE AND SCOPE 2.0 RESPONSIBILITIES 3.0 PROCEDURE.
4.0 REPORT REVISIONS AND SUPPI ERIENTS 5.0 DEFINITIONSAND ABBREVIATIONS 6.0 REFEREYiCES 7.0 APPE YDICES PAGE PVRld.OSN'I (I td>
NUCLEAR ADMINISTRATIVEAND TECHNICALMANUAL Page 3
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Revision SIGNIFICANTCONDITION INVESTIGATION 90DP-OIP07 1.0 PURPOSE AND SCOPE 1.1 Purpose The purpose ofthis procedure is to provide the direction and guidance required to perform a complete and accurate investigation ofSignificant Conditions within PVNGS classified in accordance with 90AC-OIP04, Condition Reporting.
Equipment Root Cause ofFailure investigations are conducted per 70DP-OEE01. Reactor Trip Investigations are conducted per 90DP-OIP06.
1 2 Scope This procedure applies to all departments and shall be utilized to investigate and document Significant Condition Investigations.
2,0 RESPONSIBILITIES 2.1 Personnel Involved in the Event 2.2 CRDR Owner 2.3 Lead Investigator/Evaluator 2.4 Investigation Team Member 2.5 Department Leader, Nuclear Licensing 2.6 Strategic Analysis Department
NUCLEAR ADMINISTRATIVEAND TECHNICALMANUAL Page 4
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SIGNII'ICANTCONDITIONINVESTIGATION 90DP-OIP07 Revision 3.0 PROCEDURE
+QTE For investigations not requiring a team, the Lead Investigator term applies to the root cause evaluator.
3.1 The CRDR Owner selects a Lead Investigator. Ifa team investigation is to be used he also selects the team members.
3;1.1 The Lead Investigator shall have completion ofJQC NGC 0201001, Root Cause Evaluator documented in Training Records.
3.2 1he PVNGS ROOT CAUSE INVESTIGATIONhIAiNUAL(90IG-OIP01) provides guidance for conducting a complete root cause investigation. The lead investigator is responsible for ensuring a complete investigation is conducted.
3.2.1 The required results ofthe investigation are as follows:
Root Cause(s) identified Extent and transportability ofcondition identified Operating Experience reviewed (Industry and In-House)
Corrective actions identified to correct and prevent recurrence of condition
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Includes interim corrective action ifapplicable
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Requires due date, priority, and implementing organization concurrence
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Includes corrective action for all identified deficiencies Report written and approved
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The report documents the invegtig'ation process, conclusions, and corrective actions. Enough information must be provided to allow future readers of the report to comprehend the event conditions investigation, conclusions, and corrective actions.
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NUCLEAR ADMINISTRATIVEAND TECHNICALMANUAL Page 5
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SIGNIFICANTCONDITIONINVESTIGATION 90DP-OIP07 Revision 3.3 Ifthe event/condition is potentially reportable it is recommended that Nuclear Regulatory Affairs be contacted to ensure the information required for the Reportability determination and/or LER is collected. The Lead Investigator is responsible to ensure required information for LER preparation is provided to NRA.
3.4 It is recommended that Nuclear Assurance be contacted to provide expertise in investigation methods and/or oversight ofthe investigation.
3.5 Report Approval 3.5.1 The report shall be signed by the investigator(s).
3.5.2
'The report shall be signed by the CRDR Owner.
3.5.2.1 The report must be signed by the applicable Senior Manager ifdifferent from the CRDR Owner.
3.5.3 The report shall be concurred with by Nuclear Assurance.
3.5.4 The report receives a cross organization review as determined by the Lead Investigator.
3.6 After the Investigation has beeen approved deliver the Investigation to the Strategic Analysis Department.
3.7 The Strategic Analysis Department willmake distribution and turn the Investigation over to NIRMper 90DP-OIP03, Condition Report Screening and Processing.
4.0 REPORT REVISIONS AND SUPPLEMENTS 4.1 Report Revisions 4.1.1 A revision to an investigation report should be prepared any time additional information is obtained such that the key facts or conclusions are incorrect or need to be added in the original report.
4.1.2 The Lead Investigator shall be responsible for preparing the report revision as directed by the CRDR Owner.
4.1.3 The revision shall include a summary page indicating why the revision was made, a brief description ofthe changes, and'the affected page numbers.
4.1.4 The CRDR Owner shall determine what, ifany, review signatures are required for the revision..
4.1.5 The CRDR Owner shall review and approve the report.
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SIGNIFICANTCONDITIONINVESTIGATION 90DP-OIP07 Revision NUCLEAR ADMINISTRATIVEAND TECHNICALMANUAL 5.0 DEFINITIONSAM3ABBREVIATIONS 5.1 Conclusions
- Evaluative statements, cause-effect statements, comparisons to standards, determin'ation ofadequacy/inadequacy.
5.2 Corrective Action - Measures taken to rectify an adverse condition and when necessary, to preclude recurrence.
5.3 CRDR Owner - The leader ofthe assigned responsible organization and may be assigned at any level down to and including Section Leader.
5.4 Enhancement
- Measures taken to implement plant betterment activities that are not corrective actions.
5.5 Fact - An event or incident that has happened which is true and verifiable by eyewitnesses or plant data.
5.6 NRA - Nuclear Regulatory Affairs 5.7 IT - Investigation Team 5.8 IR - Investigation Report 5.9 LER - Licensee Event Report II 5.10 Interim Action - Temporary measures taken to prevent recurrence of an adverse condition pending completion of the final corrective action to prevent recurrence.
5.11 Root Cause
- The fundamental cause(s) that ifcorrected willprevent recurrence of the condition/event.
6.0 REFERENCES
6.1 Implementing References 6.1.1 90AC-OIP04, Condition Reporting 6.1.2 90DP-OIP03, Condition Report Tracking and Trending 6.1.3 02PR-OQQ01, Control of Degraded and Nonconforming Material 6.1.4 90GB-OCQOl, Commitment Action Tracking System "P" CATS 6.1.5 01PR-OAP02, PVNGS Priority System 6.1.6 70DP-OEE01, Equipment Root Cause ofFailure Analysis 6.1.7 90IG-OIP01, PVNGS Root Cause Investigation Manual.
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SIGNIFICANTCONDITIONINVESTIGATION 90DP-OIP07 Revision NUCLEAR ADMINISTRATIVEAND TECHNICALMANUAL 6.2 Developmental References 6.2.1 60PR-Op@01, Corrective Action Program, Rev. 0 6.2.2 NUREG-1303, Incident Investigation Manual 6.2.3 90PR-OIP01, Rev. 1, PVNGS Incident Investigation Program 6.2.4 90AC-OIP04, Rev. 5, Condition Reporting 6.2.5 90AC-OIP01, Rev. 1, Incident Investigation for Category 1 and 2 Events.
6.2.6 90AC-OIP02, Rev. 1, Incident Investigation for Category 3 Events.
6.2.7 RCTS items 6.2. 7.1 043001/16 - Notification ofappropriate personnel 7.0 APPENDICES None