|
---|
Category:MEETING MINUTES & NOTES--CORRESPONDENCE
MONTHYEARML20210P1611999-08-0404 August 1999 Summary of 990415 Meeting with Utils in Knoxville,Tn Re Status of Mark 3 Program Designed to Determine & Validate Submerged Structure Drag Loads of Newley Installed ECCS Strainers at Perry,Grand Gulf & Clinton Facilities ML20198G5501998-12-18018 December 1998 Summary of 981201-02 Workshop with Entergy Operations,Inc in Taft,La Re Licensing Processes,Licensing Submittals & Other Topics That May Affect Licensing Processes & Submittals. Copy of Slides Presented During Workshop Encl ML20155H3931998-11-0202 November 1998 Summary of 981007 Meeting with Util Re Review Status of Standard Quality Assurance Manual for All Util Sites.List of Meeting Attendees Encl ML20154C4771998-10-0202 October 1998 Summary of 980908 Meeting with Cleveland Electric Illuminating Co,Entergy Operations,Inc & Illinois Power Co Re Joint Effort to Propose TSs to Reduce Requirements on Secondary Containment Integrity During Refueling ML20151X0011998-09-10010 September 1998 Summary of 980827 Meeting W/Util to Discuss Status of Review of Std QA Manual.List of Attendees Encl ML20237E0271998-08-25025 August 1998 Summary of 980625 Meeting W/Entergy Operations,Inc to Discuss Bulletin 96-003 Re Installation of ECCS Suction Strainer in Ninth Refueling Outage for Plant.List of Attendees & Licensee Handout ML20236M0501998-07-0808 July 1998 Summary of 980702 Meeting W/Entergy Operations,Inc to Discuss Review Status of Std QA Manual for All Entergy Sites.List of Attendees Encl ML20236F8171998-06-24024 June 1998 Summary of 980331 Meeting W/Util to Brief NRC on Licensee Risk Mgt of Upcoming Ninth Refueling Outage.List of Attendees & Handouts Encl ML20217K5141998-04-24024 April 1998 Summary of 980416 Meeting W/Entergy Corp Re Standardization of site-specific Security Plans.List of Meeting Attendees & Agenda for Meeting Encl ML20217K3461998-04-24024 April 1998 Summary of 980401 Meeting W/Entergy Operations,Inc Re Licensing Issues & Regulatory Performance Efficiencies.List of Attendees & Agenda for Meeting Encl ML20217F4811998-03-26026 March 1998 Summary of 980319 Meeting W/Licensee to Discuss Status of Development of Std QA Manual for All Entergy Sites.List of Attendees Encl ML20216C6471998-03-0505 March 1998 Summary of 980123 Meeting W/Entergy Operations,Inc Re EP Changes Being Considered by Licensee.List of Meeting Attendees,Meeting Agenda & Info Provided by Licensee at Meeting in Handout Encl ML20203B5741998-02-11011 February 1998 Summary of 980122 Meeting W/Entergy in Rockville,Maryland Re Licensing Issues & Standardization of Licensing Documents. List of Meeting Attendees & Meeting Agenda Encl ML20212G8521997-10-29029 October 1997 Summary of 971022 Meeting W/Entergy Svcs,Inc Re Development & Implementation of Common or Std QAP for All Sites.List of Meeting Attendees & Viewgraphs Encl ML20217E0131997-09-29029 September 1997 Trip Rept of 970825-26 Visit to Plant,Unit 1 for Interviews in Preparation of Salp.Agenda for Interviews Encl ML20198R3481997-09-0404 September 1997 Trip Rept of 961121 Visit to GGNS to Discuss Implementation Methodologies Employed for Graded Aq in Procurement Area ML20141H3661997-07-17017 July 1997 Summary of 970710 Meeting W/Util to Discuss Licensee Emergency Plan Change 28.001-95 & to Determine If Change Reduces Effectiveness of Emergency Plan for Plant,Unit 1. List of Attendees,Agenda & Info Provided by Licensee Encl ML20137U1331997-04-10010 April 1997 Summary of 970325 Meeting W/Util in Clariborne County,Ms to Discuss Entergy Operations,Inc MOV Thrust Methodology Used for GL 95-07 for Plant.List of Attendees & Info Provided by NRC Staff Encl ML20137F2351997-03-24024 March 1997 Summary of 970207 Meeting W/Listed Attendees in Rockville,Md to Discuss Nuclear Energy Inst Concerns Re Graded Quality Assurance Activities W/Volunteer Plants ML20132D1421996-12-17017 December 1996 Summary of 960827 Meeting W/Util in Rockville,Md Re Graded Quality Assurance Initiative at Facility.W/Attendees List, Summary of Licensee Presentation & Licensee Expert Panel Guidance Document ML20149M3611996-12-11011 December 1996 Summary of 96111 Meeting W/Licensee in Rockville,Md to Discuss Comments Developed in Response to NRC Advance Notice of Proposed Rulemaking on Financial Assurance Requirements for Decommissioning Nuclear Reactors.List of Attendees Encl ML20134N5661996-11-21021 November 1996 Summary of 961003 Meeting W/Licensee in Rockville,Md to Discuss Licensee Upcoming Eighth Refueling Outage for Ggns,Unit 1 ML20134M6611996-11-21021 November 1996 Summary of 961114 Meeting W/Listed Licensees in Rockville,Md to Discuss Results of Self Assessment of Accuracy of Info in FSARs for Four Nuclear Reactor Sites.List of Attendees & Licensee Handout Encl ML20129G5261996-07-31031 July 1996 Summary of ACRS Plant Operations Subcommittee Meeting on 960521 to Review Proposed Rule on Shutdown Operations & Associated Reg Guide as Well as Studies on Shutdown Risk at Surry & Grand Gulf Nuclear Plants ML20059C4041993-12-27027 December 1993 Summary of 931206 Meeting W/Entergy Operations,Inc in Rockville,Md to Discuss Licensee Proposed Changes to Security Plans for Plant,Units 1 & 2.List of Attendees Encl ML20058P4491993-12-15015 December 1993 Summary of 931206 Meeting W/Entergy Operations,Inc in Rockville,Md Re 931021 Submittal of Proposed Alternative to 10CFR50.55a(f) & (g),10-Year Inservice Insp & Inservice Testing Update. List of Attendees Encl ML20058G3081993-11-19019 November 1993 Summary of Operating Reactors Events Meeting 93-43 on 931117 ML20056H5721993-08-0505 August 1993 Summary of Operating Reactors Events Meeting 93-28 on 930728 ML20217C5121991-07-0303 July 1991 Summary of Operating Reactors Events Meeting 91-12 on 910626 ML20062H4811990-11-28028 November 1990 Summary of 901023 Meeting W/Util Re Control Room Emergency Filtration Sys.Proposed Change to TS 3/4.7.2 & Handout Encl ML20056B4161990-08-17017 August 1990 Summary of 900615 Meeting W/Licensee at Site to Discuss Licensing Activities.List of Attendees,Meeting Agenda, Handout & Licensee Comments on Draft Safety Evaluation of Fire Protection Program Encl ML20247E3641989-09-0606 September 1989 Summary of 890717 Meeting W/Numarc,B&W Owners Group & Representatives of Lead Plants Re Status of STS Amends & Outstanding Issues Associated W/Lead Plant STS Submittals ML20244D8961989-06-12012 June 1989 Summary of 890518 Meeting W/Util Re Performance of Licensing Activities.Meetings Should Be Scheduled to Seek Means for Eliminating Weaknesses Identified by NRC ML20244C6441989-06-0909 June 1989 Summary of 890517 Meeting W/Seri in Rockville,Md Re Licensee Plans for Fuel Cycle 5,which Include Use of New Type of Fuel Assembly Developed by Advanced Nuclear Fuels Corp ML20247K0901989-05-23023 May 1989 Summary of 890517 Meeting W/Inpo Re Similarities & Differences Between Performance Indicator Programs.Detailed Discussion Encl ML20247K1011989-05-16016 May 1989 Summary of 890517 Meeting W/Inpo in Bethesda,Md Re Similarities & Differences Between INPO & NRC Performance Indicators ML20246L4791989-05-11011 May 1989 Summary of 890214 Meeting W/Util in Rockville,Md Re Pipe Support Calculations.List of Attendees & Handouts Encl ML20247F8481989-05-11011 May 1989 Summary of 890214 Meeting W/Util in Rockville,Md Re Proposed Alternate DHR Sys & Proposed Exceptions to Tech Spec 3.0.4. Agenda & Related Info Encl ML20196B5971988-12-0505 December 1988 Summary of 881116 Meeting W/Util to Brief Reviewers Re Request for Tech Spec Changes Per Generic Ltr 87-09 ML20195G0741988-11-15015 November 1988 Summarizes Discussions W/Licensee During CRGR 881102-03 Visit to Plant.Util Mgt Described Licensing History,Past SALP Records & Key Issues Which Resulted in Delays & Addl Costs.Util Rept of Visit to Foreign Reactors Encl.W/O Encl ML20206E3031988-11-15015 November 1988 Summary of 881110 Meeting W/Util in Rockville,Md Re Design Criteria & Safety Aspects of Alternate DHR Sys.Attendance List & Viewgraphs Encl ML20206E6711988-11-15015 November 1988 Summary of 881101 Meeting W/Licensee at Site Re Potential Changes to Tech Specs Concerning Review of Fire Protection Program & New Auxiliary Hoist for Fuel Handling Platform Over Spent Fuel Pool ML20155H9771988-10-18018 October 1988 Summary of 880831 Meeting W/Util in Rockville,Md Re Status of Leasing Activities & Schedule for Completion of Activities.Related Info,Including Meeting Agenda & List of Attendees Encl ML20245D8411988-09-28028 September 1988 Summary of Operating Reactors Events Meeting 88-38 on 880927 Re Events Which Occurred Since Last Meeting on 880920 ML20154E6161988-09-14014 September 1988 Summary of 880815 Meeting W/Util Re Plans for Third Refueling Outage.Major Activities During Outage Include: Chemical Cleaning of Standby Svc Water Sys,Low Pressure Turbine Insp & Inservice Insp of RCS ML20154E6511988-09-14014 September 1988 Summary of 880815 Meeting W/Util Re Potential Changes to Tech Specs.Other Actions Discussed Includes,Status of Completion of Conditions in Operating License & Actions Taken Re Problems Identified in Info Notices ML20153E4321988-09-0101 September 1988 Summary of 880728 Meeting W/Util on Licensing Actions Re Third Fuel Reload.List of Attendees & Viewgraphs Encl ML20151R5391988-08-0808 August 1988 Summary of 880623 Meeting W/Mark III Containment Hydrogen Control Owners Group Re Emergency Procedure Guidelines. Resolution of Issues Listed ML20151R7011988-08-0808 August 1988 Summary of 880614 & 15 Meetings W/Util Re Potential Changes to Tech Specs,Allowing Change in Operational Modes When Limiting Conditions for Operation Not Met.List of Participants & Potential Tech Spec Changes Encl ML20150E0241988-06-21021 June 1988 Summary of 880615 Meeting W/Utils Re Proposed Establishment & Licensing of Sys Energy Resource,Inc as Operators & Licensing Agent for Plants 1999-08-04
[Table view] Category:MEETING SUMMARIES-INTERNAL (NON-TRANSCRIPT)
MONTHYEARML20210P1611999-08-0404 August 1999 Summary of 990415 Meeting with Utils in Knoxville,Tn Re Status of Mark 3 Program Designed to Determine & Validate Submerged Structure Drag Loads of Newley Installed ECCS Strainers at Perry,Grand Gulf & Clinton Facilities ML20198G5501998-12-18018 December 1998 Summary of 981201-02 Workshop with Entergy Operations,Inc in Taft,La Re Licensing Processes,Licensing Submittals & Other Topics That May Affect Licensing Processes & Submittals. Copy of Slides Presented During Workshop Encl ML20155H3931998-11-0202 November 1998 Summary of 981007 Meeting with Util Re Review Status of Standard Quality Assurance Manual for All Util Sites.List of Meeting Attendees Encl ML20154C4771998-10-0202 October 1998 Summary of 980908 Meeting with Cleveland Electric Illuminating Co,Entergy Operations,Inc & Illinois Power Co Re Joint Effort to Propose TSs to Reduce Requirements on Secondary Containment Integrity During Refueling ML20151X0011998-09-10010 September 1998 Summary of 980827 Meeting W/Util to Discuss Status of Review of Std QA Manual.List of Attendees Encl ML20237E0271998-08-25025 August 1998 Summary of 980625 Meeting W/Entergy Operations,Inc to Discuss Bulletin 96-003 Re Installation of ECCS Suction Strainer in Ninth Refueling Outage for Plant.List of Attendees & Licensee Handout ML20236M0501998-07-0808 July 1998 Summary of 980702 Meeting W/Entergy Operations,Inc to Discuss Review Status of Std QA Manual for All Entergy Sites.List of Attendees Encl ML20236F8171998-06-24024 June 1998 Summary of 980331 Meeting W/Util to Brief NRC on Licensee Risk Mgt of Upcoming Ninth Refueling Outage.List of Attendees & Handouts Encl ML20217K3461998-04-24024 April 1998 Summary of 980401 Meeting W/Entergy Operations,Inc Re Licensing Issues & Regulatory Performance Efficiencies.List of Attendees & Agenda for Meeting Encl ML20217K5141998-04-24024 April 1998 Summary of 980416 Meeting W/Entergy Corp Re Standardization of site-specific Security Plans.List of Meeting Attendees & Agenda for Meeting Encl ML20217F4811998-03-26026 March 1998 Summary of 980319 Meeting W/Licensee to Discuss Status of Development of Std QA Manual for All Entergy Sites.List of Attendees Encl ML20216C6471998-03-0505 March 1998 Summary of 980123 Meeting W/Entergy Operations,Inc Re EP Changes Being Considered by Licensee.List of Meeting Attendees,Meeting Agenda & Info Provided by Licensee at Meeting in Handout Encl ML20203B5741998-02-11011 February 1998 Summary of 980122 Meeting W/Entergy in Rockville,Maryland Re Licensing Issues & Standardization of Licensing Documents. List of Meeting Attendees & Meeting Agenda Encl ML20212G8521997-10-29029 October 1997 Summary of 971022 Meeting W/Entergy Svcs,Inc Re Development & Implementation of Common or Std QAP for All Sites.List of Meeting Attendees & Viewgraphs Encl ML20141H3661997-07-17017 July 1997 Summary of 970710 Meeting W/Util to Discuss Licensee Emergency Plan Change 28.001-95 & to Determine If Change Reduces Effectiveness of Emergency Plan for Plant,Unit 1. List of Attendees,Agenda & Info Provided by Licensee Encl ML20137U1331997-04-10010 April 1997 Summary of 970325 Meeting W/Util in Clariborne County,Ms to Discuss Entergy Operations,Inc MOV Thrust Methodology Used for GL 95-07 for Plant.List of Attendees & Info Provided by NRC Staff Encl ML20137F2351997-03-24024 March 1997 Summary of 970207 Meeting W/Listed Attendees in Rockville,Md to Discuss Nuclear Energy Inst Concerns Re Graded Quality Assurance Activities W/Volunteer Plants ML20132D1421996-12-17017 December 1996 Summary of 960827 Meeting W/Util in Rockville,Md Re Graded Quality Assurance Initiative at Facility.W/Attendees List, Summary of Licensee Presentation & Licensee Expert Panel Guidance Document ML20149M3611996-12-11011 December 1996 Summary of 96111 Meeting W/Licensee in Rockville,Md to Discuss Comments Developed in Response to NRC Advance Notice of Proposed Rulemaking on Financial Assurance Requirements for Decommissioning Nuclear Reactors.List of Attendees Encl ML20134N5661996-11-21021 November 1996 Summary of 961003 Meeting W/Licensee in Rockville,Md to Discuss Licensee Upcoming Eighth Refueling Outage for Ggns,Unit 1 ML20134M6611996-11-21021 November 1996 Summary of 961114 Meeting W/Listed Licensees in Rockville,Md to Discuss Results of Self Assessment of Accuracy of Info in FSARs for Four Nuclear Reactor Sites.List of Attendees & Licensee Handout Encl ML20129G5261996-07-31031 July 1996 Summary of ACRS Plant Operations Subcommittee Meeting on 960521 to Review Proposed Rule on Shutdown Operations & Associated Reg Guide as Well as Studies on Shutdown Risk at Surry & Grand Gulf Nuclear Plants ML20059C4041993-12-27027 December 1993 Summary of 931206 Meeting W/Entergy Operations,Inc in Rockville,Md to Discuss Licensee Proposed Changes to Security Plans for Plant,Units 1 & 2.List of Attendees Encl ML20058P4491993-12-15015 December 1993 Summary of 931206 Meeting W/Entergy Operations,Inc in Rockville,Md Re 931021 Submittal of Proposed Alternative to 10CFR50.55a(f) & (g),10-Year Inservice Insp & Inservice Testing Update. List of Attendees Encl ML20058G3081993-11-19019 November 1993 Summary of Operating Reactors Events Meeting 93-43 on 931117 ML20056H5721993-08-0505 August 1993 Summary of Operating Reactors Events Meeting 93-28 on 930728 ML20217C5121991-07-0303 July 1991 Summary of Operating Reactors Events Meeting 91-12 on 910626 ML20062H4811990-11-28028 November 1990 Summary of 901023 Meeting W/Util Re Control Room Emergency Filtration Sys.Proposed Change to TS 3/4.7.2 & Handout Encl ML20056B4161990-08-17017 August 1990 Summary of 900615 Meeting W/Licensee at Site to Discuss Licensing Activities.List of Attendees,Meeting Agenda, Handout & Licensee Comments on Draft Safety Evaluation of Fire Protection Program Encl ML20247E3641989-09-0606 September 1989 Summary of 890717 Meeting W/Numarc,B&W Owners Group & Representatives of Lead Plants Re Status of STS Amends & Outstanding Issues Associated W/Lead Plant STS Submittals ML20244D8961989-06-12012 June 1989 Summary of 890518 Meeting W/Util Re Performance of Licensing Activities.Meetings Should Be Scheduled to Seek Means for Eliminating Weaknesses Identified by NRC ML20244C6441989-06-0909 June 1989 Summary of 890517 Meeting W/Seri in Rockville,Md Re Licensee Plans for Fuel Cycle 5,which Include Use of New Type of Fuel Assembly Developed by Advanced Nuclear Fuels Corp ML20247K0901989-05-23023 May 1989 Summary of 890517 Meeting W/Inpo Re Similarities & Differences Between Performance Indicator Programs.Detailed Discussion Encl ML20247K1011989-05-16016 May 1989 Summary of 890517 Meeting W/Inpo in Bethesda,Md Re Similarities & Differences Between INPO & NRC Performance Indicators ML20247F8481989-05-11011 May 1989 Summary of 890214 Meeting W/Util in Rockville,Md Re Proposed Alternate DHR Sys & Proposed Exceptions to Tech Spec 3.0.4. Agenda & Related Info Encl ML20246L4791989-05-11011 May 1989 Summary of 890214 Meeting W/Util in Rockville,Md Re Pipe Support Calculations.List of Attendees & Handouts Encl ML20196B5971988-12-0505 December 1988 Summary of 881116 Meeting W/Util to Brief Reviewers Re Request for Tech Spec Changes Per Generic Ltr 87-09 ML20206E3031988-11-15015 November 1988 Summary of 881110 Meeting W/Util in Rockville,Md Re Design Criteria & Safety Aspects of Alternate DHR Sys.Attendance List & Viewgraphs Encl ML20206E6711988-11-15015 November 1988 Summary of 881101 Meeting W/Licensee at Site Re Potential Changes to Tech Specs Concerning Review of Fire Protection Program & New Auxiliary Hoist for Fuel Handling Platform Over Spent Fuel Pool ML20155H9771988-10-18018 October 1988 Summary of 880831 Meeting W/Util in Rockville,Md Re Status of Leasing Activities & Schedule for Completion of Activities.Related Info,Including Meeting Agenda & List of Attendees Encl ML20245D8411988-09-28028 September 1988 Summary of Operating Reactors Events Meeting 88-38 on 880927 Re Events Which Occurred Since Last Meeting on 880920 ML20154E6161988-09-14014 September 1988 Summary of 880815 Meeting W/Util Re Plans for Third Refueling Outage.Major Activities During Outage Include: Chemical Cleaning of Standby Svc Water Sys,Low Pressure Turbine Insp & Inservice Insp of RCS ML20154E6511988-09-14014 September 1988 Summary of 880815 Meeting W/Util Re Potential Changes to Tech Specs.Other Actions Discussed Includes,Status of Completion of Conditions in Operating License & Actions Taken Re Problems Identified in Info Notices ML20153E4321988-09-0101 September 1988 Summary of 880728 Meeting W/Util on Licensing Actions Re Third Fuel Reload.List of Attendees & Viewgraphs Encl ML20151R5391988-08-0808 August 1988 Summary of 880623 Meeting W/Mark III Containment Hydrogen Control Owners Group Re Emergency Procedure Guidelines. Resolution of Issues Listed ML20151R7011988-08-0808 August 1988 Summary of 880614 & 15 Meetings W/Util Re Potential Changes to Tech Specs,Allowing Change in Operational Modes When Limiting Conditions for Operation Not Met.List of Participants & Potential Tech Spec Changes Encl ML20150E0241988-06-21021 June 1988 Summary of 880615 Meeting W/Utils Re Proposed Establishment & Licensing of Sys Energy Resource,Inc as Operators & Licensing Agent for Plants ML20154S0341988-05-27027 May 1988 Summary of 880519 Meeting W/Middle South Utils Representatives Re Proposed Establishment & Licensing of Middle South Utils Nuclear Operating Co.Agenda Encl ML20154G8161988-05-17017 May 1988 Summary of 880510 Meeting W/Util Re Licensing Matters.Util Will Submit Commitment to Install GE Wide Range Monitor by Fourth Refueling Outage.List of Attendees Encl ML20149J9181988-02-19019 February 1988 Summary of 871202 Meeting to Brief Director & Assistant Director for Region II Reactors in NRR on Util Operations. Meeting Attendee & Handout Encl 1999-08-04
[Table view] |
Text
- - _ - _ _ - - _ - - _
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'n UNITED STATES NUCLEAR REGULATORY COMMISSION g
- } WASHING TON, D. C. 20555
/ July 11,1985 Docket No. 50-416 LICENSEE: Mississippi Power and Light Company FACILITY: Grand Gulf Unit 1
SUBJECT:
SUMMARY
OF JUNE 19, 1985 MEETING REGARDING CONTAINMENT SUPPRESSION POOL SWELL THROUGH ENCROACHED AREAS The purpose of the meeting was to discuss resolution of concerns regarding containment suppression pool swell through encroached areas. Enclosure 1 is a list of attendees. Enclosure 2 is a copy of slides and/or handouts prepared by an NRC consultant used in the meeting. Enclosure 3 is a copy of slides prepared by General Electric (GE) used in the meeting.
An NRC consultant presented a preliminary evaluation of encroached pool swell, which is not the NRC position at this time. This preliminary evaluation identified the existence of a water ligament near the containment wall where impact velocities can be greater than 50 ft./sec.
A GE representative made a presentation for the licensee regarding encroachment tests with blocked vents. These tests showed that blocking vents is a possible resolution to concerns regarding pool swell through encroached areas.
MP&L and the NRC staff agreed to have another meeting on this subject after further review of test data and the preliminary evaluation.
M' I)ESIGy oO ,,,',__
n B. Hopkin Project Manager Certiflod W j Licensing Branch No. 4 Division of Licensing
Enclosures:
As stated 8507260662 850711 PDR ADOCK 05000416 P PDR
~.
Enclos're 1 List of Attendees r I
6/19/85 -
NRC MP&L f J. Hopkins G. Smith I J. Kudrick W. Mashburn F. Eltawila .
B. Siegel !
A.Sonin-consultant (MIT/8NL) I C.Economos-consultant (BNL) P Bechtel .GE R. Pernisi J. Torbeck E. Fotopoulos S. Sen Illinois Power Co. Gulf States Util.
J. Peterson L. England Cleveland Electric Ill. Co.
R. Pender I
I L :
I
i ENCLOSURE 2 j
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TABLE 1: P0OL SWELL IN 1/10-$CALE SIMULATION 0F UNENCR0 ACHED P0OL (FROM FIGS. 1-5) ,
Frame No. time (sec), t Z,+ AZ, at V 1/10-scale full scale (ft) full scale (ft) (sec) (ft/sec) full scale full scale ,
5 0.103 0.326 6.4 8.0 3.1 0.116 27 10 0.140 0.442 9.5 11.8 4.5 0.121 37 i l
16 0.178 0.563 14.0 15.9 3.7 0.0758 49 20 0.202 0.638 17.2 24 0.227 0.717 > 22
+See Figs.1-4 for definition of Zo.
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I Table 2 Ceiling Impact Pressures: PSTF Data vs. NUREG-0978 Specification 1 2 3 Col. 1 interpreted Av. of tests as full scale Col. 2 extrapolated 5801-5, 9 & 15 ceiling pressure at to 20-ft. elevation in PSTF 26 ft. elevation (see text)
(psi) (psi) (psi)
Peak local from (full scale) ceiling pressure 0.9 containment ft.(a) wall. 4.5 7.8 11.1 3
28 Peak local ceiling pressure anywhere u_ on ceiling.(b) 7.2 . 12.5 17.9 Mo.
Peak average ceiling pressure (integrated pressure divided by area).(C) 2.8 4.8 6.9 8
- NUREG-0978 specification of peak average 530 ceiling pressure. 8.8 19.4
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(a),(b): See Fig. 4-64 of Refs. 5 and 6.
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ENCLOSURE 3 e
GRAND GULF PLANT UNIQUE ENCROACHMENT TESTS WITH BLOCKED VENTS J.E. TORBECK 6/19/85
GRAND GULF ENCROACHMENT TESTS WITH BLOCKED VENTS SUMhARY DESCRIPTION o SAME HARDWARE AS GGNS PLANT UNIQUE TESTS 1/10 SCALE RECTANGULAR TEST TANK GGNS TIP PLATFORM BLOCKED TOP VENT (S) UNDER ENCROACHMENT o TWO CONFIGURATIONS TESTED ONE VENT BLOCKED TWO VENTS BLOCKED o TEST MATRIX
- THREE REPEAT TESTS WITH EACH CONFIGURATION SAME BLOWDOWN CONDITIONS AS GGNS BASE TESTS L
JET 6/19/85
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- a =o. 28 6S0-1276 tuci.sAR ENERCY GENER ALO d ELECTRIC cav A of 42 BullNESS OPERATIONS FIGURE 1-1. TEST TANK AND SIMULATED GRAND GULF ENCROACHMENT f
TESTS VENTS BLOCKED ES, E6, E7 #1
- 1 & #2 l E8, E9, E10
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FRONT VIEh SIDE VIEW m i o . , . i . . . ,. . ,
- GRAND GULF ENCROACHMENT TESTS WITH BLOCKED VENTS CONCLUSIONS l:
o ONE VENT BLOCKED (EQUIVALENT TO TWO IN PLANT)
I FROTH-LIKE IMPACT AT HCU FLOOR IN VICINITY OF
. ENCROACHMENT l
l NO EFFECT ON PDW CLEAN P0OL RESPONSE UNCHANGED o TWO VENTS BLOCKED (EQUlVALENT TO FOUR IN PLANT)
NEGLIGIBLE IMPACT AT HCU FLOOR IN VICINITY OF ENCR0ACHMENT SMALL EFFECT ON P DW l
l -
CLEAN POOL RESPONSE UNCHANGED l
l JET 6/19/85
EFFECT OF BLOCKED VENTS ON OTHER CONTAINMENT LOCA LOADS DRYWELL PRESSURE o MINIMAL INCREASE IN PEAK DW GAGE PRESSURE FOR DBA APPR0XIMATELY 1% WITH FOUR VENTS BLOCKED APPROXIMATELY 0.5% WITH TWO VENTS BLOCKED ANALYTICAL PREDICTIONS CONSISTENT WITH 1/10 SCALE TEST DATA P0OL SWELL o N0 INCREASE BECAUSE DW PRESSURE DOES NOT CHANGE o ASYMMETRIC LOAD BOUNDED BY 180* ASYMMETRIC POOL SWELL LOAD SPECIFIED IN MARK Ill CLR CONDENSATION OSCILLATION AND CHUGGING o N0 INCREASE IN LOADS AT UNBLOCKED VENTS SLIGHT INCREASE IN VENT MASS FLUX SLIGHT INCREASE IN LOCAL POOL TEMP o ASYhMETRIC LOAD B0UNDED BY POOL SWELL ASYMMETRIC LOAD JET 6/19/85
. s "- ,
'W MEETING
SUMMARY
DISTRIBUTION
, ,,y-,;-w:gry- ,,
i( W SD(s): 96416 :4 NRC PDR 4I local PDR NSIC PRC System LB #4 r/f Attorney, OELD >
E. Adensam Project Manager J. Hookins Licensing Assistant M. Duncan -
NRC PARTICIPANTS J. Hopkins J. Kudrick F. Eltawila
- 8. Siegel bec: Applicant & Service l ht
-- _-____ --__-_ - _ - -- - "