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| AP&L proposes that the operability requirements for the ANO-1 RVLMS and HLLMS be included in ANO-1 Technical Specification Table 3.5.1-1 and the associated Surveillance Requirements in Table 4.1-1, and reflected in the appropriate Bases. | | AP&L proposes that the operability requirements for the ANO-1 RVLMS and HLLMS be included in ANO-1 Technical Specification Table 3.5.1-1 and the associated Surveillance Requirements in Table 4.1-1, and reflected in the appropriate Bases. |
| The operability and surveillance requirements for the ANO-2 RVLMS are proposed to be included in Tables 3.3-10 and 4.3-10, respectively, of the ANO-2 Technical Specifications. Special Report requirements associated with the proposed changes will also be reflected in the appropriate location of Section 6 (Administrative Controls) for each unit. | | The operability and surveillance requirements for the ANO-2 RVLMS are proposed to be included in Tables 3.3-10 and 4.3-10, respectively, of the ANO-2 Technical Specifications. Special Report requirements associated with the proposed changes will also be reflected in the appropriate location of Section 6 (Administrative Controls) for each unit. |
| DISCUSSION | | DISCUSSION ANO-1 Technical Specification 3.5.1, Operational Safety Instrumc0tation, |
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| ANO-1 Technical Specification 3.5.1, Operational Safety Instrumc0tation, | |
| ' delineates the conditions of the unit instrumentation and safety circuits necessary to assure reactor safety. Specifications 3.5.1.1 and 3.5.1.2, respectively, state that the operability requirements of Table 3.5.1-1, Columns 3'and 4 must be met, or operation shall be limited as specified in Column 5. AP&L proposes to add the operability requirements associated with the RVLHS and HLLMS as Table 3.5.1-1 Items 14 and 15, respectively, with the Column 5 action specified under Note 27. The associated surveillance requirements are to be added as Table 4.1-1 Items 63 and 64. The channel operability of the RVLMS is defined as a minimum of three sensors in the upper plenum region and two sensors in the dome region operable. The HLLMS is configured such that one channel is composed of one wide range (WR) transmitter for one hot leg and four narrow range (NR) transmitters for the other hot leg. | | ' delineates the conditions of the unit instrumentation and safety circuits necessary to assure reactor safety. Specifications 3.5.1.1 and 3.5.1.2, respectively, state that the operability requirements of Table 3.5.1-1, Columns 3'and 4 must be met, or operation shall be limited as specified in Column 5. AP&L proposes to add the operability requirements associated with the RVLHS and HLLMS as Table 3.5.1-1 Items 14 and 15, respectively, with the Column 5 action specified under Note 27. The associated surveillance requirements are to be added as Table 4.1-1 Items 63 and 64. The channel operability of the RVLMS is defined as a minimum of three sensors in the upper plenum region and two sensors in the dome region operable. The HLLMS is configured such that one channel is composed of one wide range (WR) transmitter for one hot leg and four narrow range (NR) transmitters for the other hot leg. |
| Each hot leg therefore has a WR and four NR transmitters associated with different safety channels, which provides a desired redundancy above that which would be provided if all transmitters associated with a hot leg were of the same channel. Therefore, the channel operability of the HLLMS is defined as a minimum of one WR and any two of the NR transmitters in the same channel operable. The action associated with a condition where fewer than the minimum number of channels are operable allows continued operation, but requires a Special Report to the NRC, outlining the cause of the inoperability and the plans and schedule for restoring the system to operable status, and also requires that both channels of the system be restored to operable at the next I scheduled refueling outage. This requirement for a Special Report will also l be reflected in Section 6.12.5. | | Each hot leg therefore has a WR and four NR transmitters associated with different safety channels, which provides a desired redundancy above that which would be provided if all transmitters associated with a hot leg were of the same channel. Therefore, the channel operability of the HLLMS is defined as a minimum of one WR and any two of the NR transmitters in the same channel operable. The action associated with a condition where fewer than the minimum number of channels are operable allows continued operation, but requires a Special Report to the NRC, outlining the cause of the inoperability and the plans and schedule for restoring the system to operable status, and also requires that both channels of the system be restored to operable at the next I scheduled refueling outage. This requirement for a Special Report will also l be reflected in Section 6.12.5. |
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Category:OPERATING LICENSES-APPLIATION TO AMEND-RENEW EXISTING
MONTHYEAR1CAN099904, Application for Amend to License DPR-51,changing TS 4.18.5.a.9 & Associated Bases for One Cycle of Operation Through End of Cycle 16,for Suppl Use of OTSG Repair Roll Technology1999-09-19019 September 1999 Application for Amend to License DPR-51,changing TS 4.18.5.a.9 & Associated Bases for One Cycle of Operation Through End of Cycle 16,for Suppl Use of OTSG Repair Roll Technology 0CAN099903, Application for Amends to Licenses DPR-51 & NPF-6,changing Heavy Load Handling Requirements & Transportation Provisions to Permit Movement of Original & Replacement SGs Through Containment Opening During SG Replacement Outage1999-09-17017 September 1999 Application for Amends to Licenses DPR-51 & NPF-6,changing Heavy Load Handling Requirements & Transportation Provisions to Permit Movement of Original & Replacement SGs Through Containment Opening During SG Replacement Outage 0CAN099901, Application for Amends to Licenses DPR-51 & NF-6,changing TS by Revising Curie Limits for Radioactive Gas Storage Tanks1999-09-17017 September 1999 Application for Amends to Licenses DPR-51 & NF-6,changing TS by Revising Curie Limits for Radioactive Gas Storage Tanks 1CAN089903, Application for Amend to License DPR-51,revising ESAS Low RCS Pressure Setpoint,To Ensure That TS Adequately Bounds Safety Analysis1999-08-18018 August 1999 Application for Amend to License DPR-51,revising ESAS Low RCS Pressure Setpoint,To Ensure That TS Adequately Bounds Safety Analysis 2CAN089905, Application for Amend to License NPF-6,revising TS to Remove Requirements for Tube Repair (Sleeving) & Clarify Requirements for Preservice & ISI of Tubes to Facilitate Replacement of Original SGs1999-08-18018 August 1999 Application for Amend to License NPF-6,revising TS to Remove Requirements for Tube Repair (Sleeving) & Clarify Requirements for Preservice & ISI of Tubes to Facilitate Replacement of Original SGs 2CAN079903, Application for Amend to License NPF-6,revising SRs Pertaining to ISI Requirements for SG Tube Circumferential Cracking at top-of-tubesheet During 2P99 Planned mid-cycle Outage1999-07-29029 July 1999 Application for Amend to License NPF-6,revising SRs Pertaining to ISI Requirements for SG Tube Circumferential Cracking at top-of-tubesheet During 2P99 Planned mid-cycle Outage 1CAN079904, Suppl to Util 990409 Proposed TS Changes to Revise Requirements Associated with Station Batteries & Dc Sources to 125 Volt Dc Switchyard Distribution Sys1999-07-29029 July 1999 Suppl to Util 990409 Proposed TS Changes to Revise Requirements Associated with Station Batteries & Dc Sources to 125 Volt Dc Switchyard Distribution Sys 0CAN079901, Application for Amends to Licenses DPR-51 & NPF-6 to Change TS & Subsequent Relief Request from Post Accident Sampling Requirements of NUREG-0737.TS Administrative Control requirements,NUREG-0737 & RG 1.97,rev 3,affected1999-07-14014 July 1999 Application for Amends to Licenses DPR-51 & NPF-6 to Change TS & Subsequent Relief Request from Post Accident Sampling Requirements of NUREG-0737.TS Administrative Control requirements,NUREG-0737 & RG 1.97,rev 3,affected 1CAN069902, Application for Amend to License DPR-51,revising SG Tubing Surveillance Requirements to Provide Alternate Repair Criteria for Tube End Cracks1999-06-0101 June 1999 Application for Amend to License DPR-51,revising SG Tubing Surveillance Requirements to Provide Alternate Repair Criteria for Tube End Cracks 1CAN059901, Application for Amend to License DPR-51,revising TS SRs & Applicable Bases Relevant to ISI Requirements for Portions of once-through SG Tubes Encompassed by Upper Tube Sheet. Proprietary Rept Encl.Rept Withheld,Per 10CFR2.790(b)(4)1999-05-14014 May 1999 Application for Amend to License DPR-51,revising TS SRs & Applicable Bases Relevant to ISI Requirements for Portions of once-through SG Tubes Encompassed by Upper Tube Sheet. Proprietary Rept Encl.Rept Withheld,Per 10CFR2.790(b)(4) 2CAN049902, Application for Amend to License NPF-6,adding TS 3.0.6 & Associated Bases to ANO-2 Ts.Proposed Specification Is Identical to Specification 3.0.5 of NUREG-1432, Improved STS CE Plants, Rev 11999-04-0909 April 1999 Application for Amend to License NPF-6,adding TS 3.0.6 & Associated Bases to ANO-2 Ts.Proposed Specification Is Identical to Specification 3.0.5 of NUREG-1432, Improved STS CE Plants, Rev 1 1CAN049901, Application for Amend to License DPR-51,revising Requirements Associated with ANO 1 Provisions for RB Testing & Insp1999-04-0909 April 1999 Application for Amend to License DPR-51,revising Requirements Associated with ANO 1 Provisions for RB Testing & Insp 1CAN049902, Application for Amend to License DPR-51,revising Requirements Associated with ANO-1 Station Batteries & DC Sources to 125 Vdc Switchyard Distribution Sys1999-04-0909 April 1999 Application for Amend to License DPR-51,revising Requirements Associated with ANO-1 Station Batteries & DC Sources to 125 Vdc Switchyard Distribution Sys 2CAN029913, Application for Amend to License NPF-6,adding Footnote to Action 2 Allowing Startup with Functional Units Associated with Channel D Excore Inoperable.Action 2 Is Associated with TS Table 3.3-1, Reactor Protective Instrumentation1999-02-25025 February 1999 Application for Amend to License NPF-6,adding Footnote to Action 2 Allowing Startup with Functional Units Associated with Channel D Excore Inoperable.Action 2 Is Associated with TS Table 3.3-1, Reactor Protective Instrumentation 0CAN119801, Application for Amends to Licenses DPR-51 & NPF-6, Implementing Consolidated EOI QA Plan Manual Submitted on 980430 & Approved by NRC in 981106 Se.Changes Also Clarify Responsibilities on STA Position on Shift1998-11-24024 November 1998 Application for Amends to Licenses DPR-51 & NPF-6, Implementing Consolidated EOI QA Plan Manual Submitted on 980430 & Approved by NRC in 981106 Se.Changes Also Clarify Responsibilities on STA Position on Shift 2CAN099805, Application for Amend to License NPF-6,modifying Notes in Table Associated with Tech Specs 2.2.1,3.3.1.1 & 3.3.2.1 Re Operating Bypass Setpoint1998-09-17017 September 1998 Application for Amend to License NPF-6,modifying Notes in Table Associated with Tech Specs 2.2.1,3.3.1.1 & 3.3.2.1 Re Operating Bypass Setpoint 1CAN089801, Application for Amend to License DPR-51,revising TS 3.3.4.B Requirements for Sodium Hydroxide Tank Concentration1998-08-0606 August 1998 Application for Amend to License DPR-51,revising TS 3.3.4.B Requirements for Sodium Hydroxide Tank Concentration 2CAN089802, Application for Amend to License NPF-6,revising TS 3.1.3.2 Action Requirements for CEA Position Indicator Channels1998-08-0606 August 1998 Application for Amend to License NPF-6,revising TS 3.1.3.2 Action Requirements for CEA Position Indicator Channels 2CAN069801, Application for Amend to License NPF-6,revising Portion of Plant Protection Sys Design to Ensure That ESFAS Meets Its Applicable Design Requirements.Rev 1 to Engineering Rept 97-R-2015-01 Encl1998-06-30030 June 1998 Application for Amend to License NPF-6,revising Portion of Plant Protection Sys Design to Ensure That ESFAS Meets Its Applicable Design Requirements.Rev 1 to Engineering Rept 97-R-2015-01 Encl 2CAN069805, Application for Amend to License NPF-6,providing Range of Acceptable Values for 4160 Volt Bus Loss of Voltage Values, to Be Consistent W/Requirements Set Forth in NUREG-1432,rev 11998-06-29029 June 1998 Application for Amend to License NPF-6,providing Range of Acceptable Values for 4160 Volt Bus Loss of Voltage Values, to Be Consistent W/Requirements Set Forth in NUREG-1432,rev 1 2CAN069807, Application for Amend to License NPF-6,revising Surveillance Testing Requirements for Unit 2 Direct Current Electrical Distribution Sys & to Reflect Installation of New Inverters During Next Scheduled Refueling Outage1998-06-29029 June 1998 Application for Amend to License NPF-6,revising Surveillance Testing Requirements for Unit 2 Direct Current Electrical Distribution Sys & to Reflect Installation of New Inverters During Next Scheduled Refueling Outage 2CAN069806, Application for Amend to License NPF-6,modifying Requirements for Pressurizer Code Safety Valve Requirements Specified by TS 3.4.2 & Safety Tank Isolation Requirements Specified in TS 3.4.121998-06-29029 June 1998 Application for Amend to License NPF-6,modifying Requirements for Pressurizer Code Safety Valve Requirements Specified by TS 3.4.2 & Safety Tank Isolation Requirements Specified in TS 3.4.12 2CAN069804, Application for Amend to License NPF-6,increasing Allowable as-found Lift Setting Tolerances on MSSVs & Pressurizer Safety Valves1998-06-29029 June 1998 Application for Amend to License NPF-6,increasing Allowable as-found Lift Setting Tolerances on MSSVs & Pressurizer Safety Valves 2CAN049802, Application for Amend to License NPF-6,revising Value of Single Largest post-accident Load Capable of Being Supplied by DGs & Relocates Value to Associated Bases1998-04-30030 April 1998 Application for Amend to License NPF-6,revising Value of Single Largest post-accident Load Capable of Being Supplied by DGs & Relocates Value to Associated Bases 1CAN049802, Application for Amend to License DPR-51,revising TS 1.6.1 Re Qpt Definition.Amend Allows Use of Either Incore Detectors or Excore Detectors for Determining Qpt1998-04-30030 April 1998 Application for Amend to License DPR-51,revising TS 1.6.1 Re Qpt Definition.Amend Allows Use of Either Incore Detectors or Excore Detectors for Determining Qpt 1CAN049806, Application for Amend to License DPR-51,changing Order of Channel Rotation During Outage for Scheduling Flexibility, While Still Requiring Rotation Schedule to Be Established for Operating Cycle1998-04-28028 April 1998 Application for Amend to License DPR-51,changing Order of Channel Rotation During Outage for Scheduling Flexibility, While Still Requiring Rotation Schedule to Be Established for Operating Cycle 1CAN049803, Application for Amend to License DPR-51,allowing Upper Tubesheet Volumetric Indications to Remain in Svc for Cycle 15,as Discussed W/Nrc on 980318 & 261998-04-0101 April 1998 Application for Amend to License DPR-51,allowing Upper Tubesheet Volumetric Indications to Remain in Svc for Cycle 15,as Discussed W/Nrc on 980318 & 26 1CAN029803, Application for Amend to License DPR-51,revising TS to Allow Use of Repair Roll Technology (Reroll) for Upper Tubesheet of Sgs.Revised TS Pages,Proprietary Rev 0 to Topical Rept BAW-10232P Included.Proprietary Encl Withheld1998-02-0909 February 1998 Application for Amend to License DPR-51,revising TS to Allow Use of Repair Roll Technology (Reroll) for Upper Tubesheet of Sgs.Revised TS Pages,Proprietary Rev 0 to Topical Rept BAW-10232P Included.Proprietary Encl Withheld 1CAN129702, Application for Amend to License DPR-51,establishing Alternate Repair Criteria for Upper Tubesheet Region of ANO-1 Sgs.Proprietary Topical Rept BAW-10226P Encl.Rept Withheld (Ref 10CFR2.790(b)(4))1997-12-12012 December 1997 Application for Amend to License DPR-51,establishing Alternate Repair Criteria for Upper Tubesheet Region of ANO-1 Sgs.Proprietary Topical Rept BAW-10226P Encl.Rept Withheld (Ref 10CFR2.790(b)(4)) 2CAN099701, Application for Amend to License NPF-6,reducing Min Required Reactor Coolant Sys Flow Rate Requirements Listed in 3.2.5 Until ANO-2 SGs Are Replaced1997-09-23023 September 1997 Application for Amend to License NPF-6,reducing Min Required Reactor Coolant Sys Flow Rate Requirements Listed in 3.2.5 Until ANO-2 SGs Are Replaced 2CAN099703, Application for Amend to License NPF-6,modifying RPS & ESFAS Trip Setpoint & Allowable Values for SG Low Pressure1997-09-23023 September 1997 Application for Amend to License NPF-6,modifying RPS & ESFAS Trip Setpoint & Allowable Values for SG Low Pressure 2CAN079702, Application for Amend to License NPF-6,modifying Actions Associated W/Ts Table 3.3-1 for Reactor Protective Instrumentation & Table 3.3-3 for Esfa Sys Instrumentation1997-07-28028 July 1997 Application for Amend to License NPF-6,modifying Actions Associated W/Ts Table 3.3-1 for Reactor Protective Instrumentation & Table 3.3-3 for Esfa Sys Instrumentation 2CAN079703, Application for Amend to License NPF-6,revising Surveillance Testing Requirements for Facility EFW Sys as Specified in TS 4.7.1.2.Requests That Effective Date for Change Be within 30 Days of Issuance1997-07-21021 July 1997 Application for Amend to License NPF-6,revising Surveillance Testing Requirements for Facility EFW Sys as Specified in TS 4.7.1.2.Requests That Effective Date for Change Be within 30 Days of Issuance 1CAN059702, Application for Amend to License DPR-51,allowing Sufficient Time for Submittal & NRC Review & Approval of Exigent TS Change Request for one-time Exception to Requirements of Section 4.18.5.b Re SG Tube Insp Surveillance Requirements1997-05-0202 May 1997 Application for Amend to License DPR-51,allowing Sufficient Time for Submittal & NRC Review & Approval of Exigent TS Change Request for one-time Exception to Requirements of Section 4.18.5.b Re SG Tube Insp Surveillance Requirements 2CAN049703, Application for Amend to License NPF-6,revising Requirements for Sample Scope Initial Size & Expansion for Inservice Insp Steam Generator Tube Sleeves1997-04-24024 April 1997 Application for Amend to License NPF-6,revising Requirements for Sample Scope Initial Size & Expansion for Inservice Insp Steam Generator Tube Sleeves 2CAN049702, Application for Amend to License NPF-6,permitting Delay of Scheduled three-yr Inspections of Flywheels on All Four RCPs Until Completion of 2R13 Refueling Outage,Scheduled for Winter of 1998-991997-04-18018 April 1997 Application for Amend to License NPF-6,permitting Delay of Scheduled three-yr Inspections of Flywheels on All Four RCPs Until Completion of 2R13 Refueling Outage,Scheduled for Winter of 1998-99 1CAN049703, Application for Amend to License DPR-51,requesting Exigent TS Change Re Steam Generator Tube Insp Surveillance Requirements1997-04-11011 April 1997 Application for Amend to License DPR-51,requesting Exigent TS Change Re Steam Generator Tube Insp Surveillance Requirements ML20133A6801996-12-23023 December 1996 Application for Amend to License NPF-6,revising TS 3/4.7.8 Which Will Enable on-line Testing of Selected Snubbers by Clarifying Intent of TS 2CAN129603, Application for Amend to License NPF-6,requesting Change to Power Calibr Requirements1996-12-19019 December 1996 Application for Amend to License NPF-6,requesting Change to Power Calibr Requirements 2CAN129604, Application for Amend to License NPF-6,requesting Deletion of Specific Value for Total Reactor Coolant Sys Volume in TS 5.4.21996-12-19019 December 1996 Application for Amend to License NPF-6,requesting Deletion of Specific Value for Total Reactor Coolant Sys Volume in TS 5.4.2 2CAN129611, Application for Amend to License NPF-6,requesting to Provide Addl NRC-approved Methodology in List of References in TS 6.9.51996-12-19019 December 1996 Application for Amend to License NPF-6,requesting to Provide Addl NRC-approved Methodology in List of References in TS 6.9.5 2CAN119609, Application for Amend to License NPF-6,revising Surveillance Requirements for Unit 2 Re SG Tubing,Ts 4.4.5.CEN-630-NP & CEN-630-P Repts encl.CEN-630-P Rept Withheld,Per 10CFR2.790(b)(4)1996-11-26026 November 1996 Application for Amend to License NPF-6,revising Surveillance Requirements for Unit 2 Re SG Tubing,Ts 4.4.5.CEN-630-NP & CEN-630-P Repts encl.CEN-630-P Rept Withheld,Per 10CFR2.790(b)(4) 2CAN119610, Application for Amend to License NPF-6,adding Suppl 1-P & Approval Ltr to Section 6.9.5.1 in Support of Increased SG Tube Plugging Limit Beyond 10% Ref to Small Break LOCA Methodology CENPD-1371996-11-24024 November 1996 Application for Amend to License NPF-6,adding Suppl 1-P & Approval Ltr to Section 6.9.5.1 in Support of Increased SG Tube Plugging Limit Beyond 10% Ref to Small Break LOCA Methodology CENPD-137 2CAN109603, Application for Amend to License NPF-6,changing Channel Functional Testing Frequency for Most of Reactor Protection Sys (RPS) & ESFAS Instrumentation from Monthly to Every Four Months1996-10-0707 October 1996 Application for Amend to License NPF-6,changing Channel Functional Testing Frequency for Most of Reactor Protection Sys (RPS) & ESFAS Instrumentation from Monthly to Every Four Months 0CAN109603, Application for Amend to Licenses DPR-51 & NPF-6 Re Relocation of RETS Per GL 89-011996-10-0202 October 1996 Application for Amend to Licenses DPR-51 & NPF-6 Re Relocation of RETS Per GL 89-01 0CAN109602, Application for Amends to Licenses DPR-51 & NPF-6,reducing Costs for Licensees by Allowing Change to Requirements W/O Necessarily Requiring License Amend,Per GL 95-101996-10-0202 October 1996 Application for Amends to Licenses DPR-51 & NPF-6,reducing Costs for Licensees by Allowing Change to Requirements W/O Necessarily Requiring License Amend,Per GL 95-10 2CAN089601, Application for Amend to License NPF-6,relocating RCS Flow Rate Limit from TS & to Colr,Iaw/Gl 88-16, Removal of Cycle-Specific Parameter Limits from Ts1996-08-23023 August 1996 Application for Amend to License NPF-6,relocating RCS Flow Rate Limit from TS & to Colr,Iaw/Gl 88-16, Removal of Cycle-Specific Parameter Limits from Ts 0CAN089606, Application for Amends to Licenses DPR-51 & NPF-6,allowing Implementation of Approved Option B to 10CFR50,App J1996-08-23023 August 1996 Application for Amends to Licenses DPR-51 & NPF-6,allowing Implementation of Approved Option B to 10CFR50,App J 2CAN089609, Application for Amend to License NPF-6,revising Section 5.0, Design Features & Would for Most Part,Adopt NUREG-1432 Rev 1,improved, Std Tech Specs for C-E Plants, for Section of TS1996-08-23023 August 1996 Application for Amend to License NPF-6,revising Section 5.0, Design Features & Would for Most Part,Adopt NUREG-1432 Rev 1,improved, Std Tech Specs for C-E Plants, for Section of TS 0CAN069601, Application for Amends to Licenses DPR-51 & NPF-6,allowing Reactor Containment Bldg Equipment Hatch Doors to Remain Open During Fuel Handling & Core Alterations1996-06-28028 June 1996 Application for Amends to Licenses DPR-51 & NPF-6,allowing Reactor Containment Bldg Equipment Hatch Doors to Remain Open During Fuel Handling & Core Alterations 1999-09-19
[Table view] Category:TEXT-LICENSE APPLICATIONS & PERMITS
MONTHYEAR1CAN099904, Application for Amend to License DPR-51,changing TS 4.18.5.a.9 & Associated Bases for One Cycle of Operation Through End of Cycle 16,for Suppl Use of OTSG Repair Roll Technology1999-09-19019 September 1999 Application for Amend to License DPR-51,changing TS 4.18.5.a.9 & Associated Bases for One Cycle of Operation Through End of Cycle 16,for Suppl Use of OTSG Repair Roll Technology 0CAN099901, Application for Amends to Licenses DPR-51 & NF-6,changing TS by Revising Curie Limits for Radioactive Gas Storage Tanks1999-09-17017 September 1999 Application for Amends to Licenses DPR-51 & NF-6,changing TS by Revising Curie Limits for Radioactive Gas Storage Tanks 0CAN099903, Application for Amends to Licenses DPR-51 & NPF-6,changing Heavy Load Handling Requirements & Transportation Provisions to Permit Movement of Original & Replacement SGs Through Containment Opening During SG Replacement Outage1999-09-17017 September 1999 Application for Amends to Licenses DPR-51 & NPF-6,changing Heavy Load Handling Requirements & Transportation Provisions to Permit Movement of Original & Replacement SGs Through Containment Opening During SG Replacement Outage 2CAN089905, Application for Amend to License NPF-6,revising TS to Remove Requirements for Tube Repair (Sleeving) & Clarify Requirements for Preservice & ISI of Tubes to Facilitate Replacement of Original SGs1999-08-18018 August 1999 Application for Amend to License NPF-6,revising TS to Remove Requirements for Tube Repair (Sleeving) & Clarify Requirements for Preservice & ISI of Tubes to Facilitate Replacement of Original SGs 1CAN089903, Application for Amend to License DPR-51,revising ESAS Low RCS Pressure Setpoint,To Ensure That TS Adequately Bounds Safety Analysis1999-08-18018 August 1999 Application for Amend to License DPR-51,revising ESAS Low RCS Pressure Setpoint,To Ensure That TS Adequately Bounds Safety Analysis 1CAN079904, Suppl to Util 990409 Proposed TS Changes to Revise Requirements Associated with Station Batteries & Dc Sources to 125 Volt Dc Switchyard Distribution Sys1999-07-29029 July 1999 Suppl to Util 990409 Proposed TS Changes to Revise Requirements Associated with Station Batteries & Dc Sources to 125 Volt Dc Switchyard Distribution Sys 2CAN079903, Application for Amend to License NPF-6,revising SRs Pertaining to ISI Requirements for SG Tube Circumferential Cracking at top-of-tubesheet During 2P99 Planned mid-cycle Outage1999-07-29029 July 1999 Application for Amend to License NPF-6,revising SRs Pertaining to ISI Requirements for SG Tube Circumferential Cracking at top-of-tubesheet During 2P99 Planned mid-cycle Outage 0CAN079901, Application for Amends to Licenses DPR-51 & NPF-6 to Change TS & Subsequent Relief Request from Post Accident Sampling Requirements of NUREG-0737.TS Administrative Control requirements,NUREG-0737 & RG 1.97,rev 3,affected1999-07-14014 July 1999 Application for Amends to Licenses DPR-51 & NPF-6 to Change TS & Subsequent Relief Request from Post Accident Sampling Requirements of NUREG-0737.TS Administrative Control requirements,NUREG-0737 & RG 1.97,rev 3,affected 1CAN069902, Application for Amend to License DPR-51,revising SG Tubing Surveillance Requirements to Provide Alternate Repair Criteria for Tube End Cracks1999-06-0101 June 1999 Application for Amend to License DPR-51,revising SG Tubing Surveillance Requirements to Provide Alternate Repair Criteria for Tube End Cracks 1CAN059901, Application for Amend to License DPR-51,revising TS SRs & Applicable Bases Relevant to ISI Requirements for Portions of once-through SG Tubes Encompassed by Upper Tube Sheet. Proprietary Rept Encl.Rept Withheld,Per 10CFR2.790(b)(4)1999-05-14014 May 1999 Application for Amend to License DPR-51,revising TS SRs & Applicable Bases Relevant to ISI Requirements for Portions of once-through SG Tubes Encompassed by Upper Tube Sheet. Proprietary Rept Encl.Rept Withheld,Per 10CFR2.790(b)(4) 2CAN049902, Application for Amend to License NPF-6,adding TS 3.0.6 & Associated Bases to ANO-2 Ts.Proposed Specification Is Identical to Specification 3.0.5 of NUREG-1432, Improved STS CE Plants, Rev 11999-04-0909 April 1999 Application for Amend to License NPF-6,adding TS 3.0.6 & Associated Bases to ANO-2 Ts.Proposed Specification Is Identical to Specification 3.0.5 of NUREG-1432, Improved STS CE Plants, Rev 1 1CAN049901, Application for Amend to License DPR-51,revising Requirements Associated with ANO 1 Provisions for RB Testing & Insp1999-04-0909 April 1999 Application for Amend to License DPR-51,revising Requirements Associated with ANO 1 Provisions for RB Testing & Insp 1CAN049902, Application for Amend to License DPR-51,revising Requirements Associated with ANO-1 Station Batteries & DC Sources to 125 Vdc Switchyard Distribution Sys1999-04-0909 April 1999 Application for Amend to License DPR-51,revising Requirements Associated with ANO-1 Station Batteries & DC Sources to 125 Vdc Switchyard Distribution Sys 2CAN029913, Application for Amend to License NPF-6,adding Footnote to Action 2 Allowing Startup with Functional Units Associated with Channel D Excore Inoperable.Action 2 Is Associated with TS Table 3.3-1, Reactor Protective Instrumentation1999-02-25025 February 1999 Application for Amend to License NPF-6,adding Footnote to Action 2 Allowing Startup with Functional Units Associated with Channel D Excore Inoperable.Action 2 Is Associated with TS Table 3.3-1, Reactor Protective Instrumentation 0CAN119801, Application for Amends to Licenses DPR-51 & NPF-6, Implementing Consolidated EOI QA Plan Manual Submitted on 980430 & Approved by NRC in 981106 Se.Changes Also Clarify Responsibilities on STA Position on Shift1998-11-24024 November 1998 Application for Amends to Licenses DPR-51 & NPF-6, Implementing Consolidated EOI QA Plan Manual Submitted on 980430 & Approved by NRC in 981106 Se.Changes Also Clarify Responsibilities on STA Position on Shift 2CAN099805, Application for Amend to License NPF-6,modifying Notes in Table Associated with Tech Specs 2.2.1,3.3.1.1 & 3.3.2.1 Re Operating Bypass Setpoint1998-09-17017 September 1998 Application for Amend to License NPF-6,modifying Notes in Table Associated with Tech Specs 2.2.1,3.3.1.1 & 3.3.2.1 Re Operating Bypass Setpoint 2CAN089802, Application for Amend to License NPF-6,revising TS 3.1.3.2 Action Requirements for CEA Position Indicator Channels1998-08-0606 August 1998 Application for Amend to License NPF-6,revising TS 3.1.3.2 Action Requirements for CEA Position Indicator Channels 1CAN089801, Application for Amend to License DPR-51,revising TS 3.3.4.B Requirements for Sodium Hydroxide Tank Concentration1998-08-0606 August 1998 Application for Amend to License DPR-51,revising TS 3.3.4.B Requirements for Sodium Hydroxide Tank Concentration 2CAN069801, Application for Amend to License NPF-6,revising Portion of Plant Protection Sys Design to Ensure That ESFAS Meets Its Applicable Design Requirements.Rev 1 to Engineering Rept 97-R-2015-01 Encl1998-06-30030 June 1998 Application for Amend to License NPF-6,revising Portion of Plant Protection Sys Design to Ensure That ESFAS Meets Its Applicable Design Requirements.Rev 1 to Engineering Rept 97-R-2015-01 Encl 2CAN069804, Application for Amend to License NPF-6,increasing Allowable as-found Lift Setting Tolerances on MSSVs & Pressurizer Safety Valves1998-06-29029 June 1998 Application for Amend to License NPF-6,increasing Allowable as-found Lift Setting Tolerances on MSSVs & Pressurizer Safety Valves 2CAN069806, Application for Amend to License NPF-6,modifying Requirements for Pressurizer Code Safety Valve Requirements Specified by TS 3.4.2 & Safety Tank Isolation Requirements Specified in TS 3.4.121998-06-29029 June 1998 Application for Amend to License NPF-6,modifying Requirements for Pressurizer Code Safety Valve Requirements Specified by TS 3.4.2 & Safety Tank Isolation Requirements Specified in TS 3.4.12 2CAN069807, Application for Amend to License NPF-6,revising Surveillance Testing Requirements for Unit 2 Direct Current Electrical Distribution Sys & to Reflect Installation of New Inverters During Next Scheduled Refueling Outage1998-06-29029 June 1998 Application for Amend to License NPF-6,revising Surveillance Testing Requirements for Unit 2 Direct Current Electrical Distribution Sys & to Reflect Installation of New Inverters During Next Scheduled Refueling Outage 2CAN069805, Application for Amend to License NPF-6,providing Range of Acceptable Values for 4160 Volt Bus Loss of Voltage Values, to Be Consistent W/Requirements Set Forth in NUREG-1432,rev 11998-06-29029 June 1998 Application for Amend to License NPF-6,providing Range of Acceptable Values for 4160 Volt Bus Loss of Voltage Values, to Be Consistent W/Requirements Set Forth in NUREG-1432,rev 1 2CAN049802, Application for Amend to License NPF-6,revising Value of Single Largest post-accident Load Capable of Being Supplied by DGs & Relocates Value to Associated Bases1998-04-30030 April 1998 Application for Amend to License NPF-6,revising Value of Single Largest post-accident Load Capable of Being Supplied by DGs & Relocates Value to Associated Bases 1CAN049802, Application for Amend to License DPR-51,revising TS 1.6.1 Re Qpt Definition.Amend Allows Use of Either Incore Detectors or Excore Detectors for Determining Qpt1998-04-30030 April 1998 Application for Amend to License DPR-51,revising TS 1.6.1 Re Qpt Definition.Amend Allows Use of Either Incore Detectors or Excore Detectors for Determining Qpt 1CAN049806, Application for Amend to License DPR-51,changing Order of Channel Rotation During Outage for Scheduling Flexibility, While Still Requiring Rotation Schedule to Be Established for Operating Cycle1998-04-28028 April 1998 Application for Amend to License DPR-51,changing Order of Channel Rotation During Outage for Scheduling Flexibility, While Still Requiring Rotation Schedule to Be Established for Operating Cycle 1CAN049803, Application for Amend to License DPR-51,allowing Upper Tubesheet Volumetric Indications to Remain in Svc for Cycle 15,as Discussed W/Nrc on 980318 & 261998-04-0101 April 1998 Application for Amend to License DPR-51,allowing Upper Tubesheet Volumetric Indications to Remain in Svc for Cycle 15,as Discussed W/Nrc on 980318 & 26 1CAN029803, Application for Amend to License DPR-51,revising TS to Allow Use of Repair Roll Technology (Reroll) for Upper Tubesheet of Sgs.Revised TS Pages,Proprietary Rev 0 to Topical Rept BAW-10232P Included.Proprietary Encl Withheld1998-02-0909 February 1998 Application for Amend to License DPR-51,revising TS to Allow Use of Repair Roll Technology (Reroll) for Upper Tubesheet of Sgs.Revised TS Pages,Proprietary Rev 0 to Topical Rept BAW-10232P Included.Proprietary Encl Withheld 1CAN129702, Application for Amend to License DPR-51,establishing Alternate Repair Criteria for Upper Tubesheet Region of ANO-1 Sgs.Proprietary Topical Rept BAW-10226P Encl.Rept Withheld (Ref 10CFR2.790(b)(4))1997-12-12012 December 1997 Application for Amend to License DPR-51,establishing Alternate Repair Criteria for Upper Tubesheet Region of ANO-1 Sgs.Proprietary Topical Rept BAW-10226P Encl.Rept Withheld (Ref 10CFR2.790(b)(4)) 2CAN099703, Application for Amend to License NPF-6,modifying RPS & ESFAS Trip Setpoint & Allowable Values for SG Low Pressure1997-09-23023 September 1997 Application for Amend to License NPF-6,modifying RPS & ESFAS Trip Setpoint & Allowable Values for SG Low Pressure 2CAN099701, Application for Amend to License NPF-6,reducing Min Required Reactor Coolant Sys Flow Rate Requirements Listed in 3.2.5 Until ANO-2 SGs Are Replaced1997-09-23023 September 1997 Application for Amend to License NPF-6,reducing Min Required Reactor Coolant Sys Flow Rate Requirements Listed in 3.2.5 Until ANO-2 SGs Are Replaced 2CAN079702, Application for Amend to License NPF-6,modifying Actions Associated W/Ts Table 3.3-1 for Reactor Protective Instrumentation & Table 3.3-3 for Esfa Sys Instrumentation1997-07-28028 July 1997 Application for Amend to License NPF-6,modifying Actions Associated W/Ts Table 3.3-1 for Reactor Protective Instrumentation & Table 3.3-3 for Esfa Sys Instrumentation 2CAN079703, Application for Amend to License NPF-6,revising Surveillance Testing Requirements for Facility EFW Sys as Specified in TS 4.7.1.2.Requests That Effective Date for Change Be within 30 Days of Issuance1997-07-21021 July 1997 Application for Amend to License NPF-6,revising Surveillance Testing Requirements for Facility EFW Sys as Specified in TS 4.7.1.2.Requests That Effective Date for Change Be within 30 Days of Issuance 1CAN059702, Application for Amend to License DPR-51,allowing Sufficient Time for Submittal & NRC Review & Approval of Exigent TS Change Request for one-time Exception to Requirements of Section 4.18.5.b Re SG Tube Insp Surveillance Requirements1997-05-0202 May 1997 Application for Amend to License DPR-51,allowing Sufficient Time for Submittal & NRC Review & Approval of Exigent TS Change Request for one-time Exception to Requirements of Section 4.18.5.b Re SG Tube Insp Surveillance Requirements 2CAN049703, Application for Amend to License NPF-6,revising Requirements for Sample Scope Initial Size & Expansion for Inservice Insp Steam Generator Tube Sleeves1997-04-24024 April 1997 Application for Amend to License NPF-6,revising Requirements for Sample Scope Initial Size & Expansion for Inservice Insp Steam Generator Tube Sleeves 2CAN049702, Application for Amend to License NPF-6,permitting Delay of Scheduled three-yr Inspections of Flywheels on All Four RCPs Until Completion of 2R13 Refueling Outage,Scheduled for Winter of 1998-991997-04-18018 April 1997 Application for Amend to License NPF-6,permitting Delay of Scheduled three-yr Inspections of Flywheels on All Four RCPs Until Completion of 2R13 Refueling Outage,Scheduled for Winter of 1998-99 1CAN049703, Application for Amend to License DPR-51,requesting Exigent TS Change Re Steam Generator Tube Insp Surveillance Requirements1997-04-11011 April 1997 Application for Amend to License DPR-51,requesting Exigent TS Change Re Steam Generator Tube Insp Surveillance Requirements ML20133A6801996-12-23023 December 1996 Application for Amend to License NPF-6,revising TS 3/4.7.8 Which Will Enable on-line Testing of Selected Snubbers by Clarifying Intent of TS 2CAN129603, Application for Amend to License NPF-6,requesting Change to Power Calibr Requirements1996-12-19019 December 1996 Application for Amend to License NPF-6,requesting Change to Power Calibr Requirements 2CAN129611, Application for Amend to License NPF-6,requesting to Provide Addl NRC-approved Methodology in List of References in TS 6.9.51996-12-19019 December 1996 Application for Amend to License NPF-6,requesting to Provide Addl NRC-approved Methodology in List of References in TS 6.9.5 2CAN129604, Application for Amend to License NPF-6,requesting Deletion of Specific Value for Total Reactor Coolant Sys Volume in TS 5.4.21996-12-19019 December 1996 Application for Amend to License NPF-6,requesting Deletion of Specific Value for Total Reactor Coolant Sys Volume in TS 5.4.2 2CAN119609, Application for Amend to License NPF-6,revising Surveillance Requirements for Unit 2 Re SG Tubing,Ts 4.4.5.CEN-630-NP & CEN-630-P Repts encl.CEN-630-P Rept Withheld,Per 10CFR2.790(b)(4)1996-11-26026 November 1996 Application for Amend to License NPF-6,revising Surveillance Requirements for Unit 2 Re SG Tubing,Ts 4.4.5.CEN-630-NP & CEN-630-P Repts encl.CEN-630-P Rept Withheld,Per 10CFR2.790(b)(4) 2CAN119610, Application for Amend to License NPF-6,adding Suppl 1-P & Approval Ltr to Section 6.9.5.1 in Support of Increased SG Tube Plugging Limit Beyond 10% Ref to Small Break LOCA Methodology CENPD-1371996-11-24024 November 1996 Application for Amend to License NPF-6,adding Suppl 1-P & Approval Ltr to Section 6.9.5.1 in Support of Increased SG Tube Plugging Limit Beyond 10% Ref to Small Break LOCA Methodology CENPD-137 2CAN109603, Application for Amend to License NPF-6,changing Channel Functional Testing Frequency for Most of Reactor Protection Sys (RPS) & ESFAS Instrumentation from Monthly to Every Four Months1996-10-0707 October 1996 Application for Amend to License NPF-6,changing Channel Functional Testing Frequency for Most of Reactor Protection Sys (RPS) & ESFAS Instrumentation from Monthly to Every Four Months 0CAN109602, Application for Amends to Licenses DPR-51 & NPF-6,reducing Costs for Licensees by Allowing Change to Requirements W/O Necessarily Requiring License Amend,Per GL 95-101996-10-0202 October 1996 Application for Amends to Licenses DPR-51 & NPF-6,reducing Costs for Licensees by Allowing Change to Requirements W/O Necessarily Requiring License Amend,Per GL 95-10 0CAN109603, Application for Amend to Licenses DPR-51 & NPF-6 Re Relocation of RETS Per GL 89-011996-10-0202 October 1996 Application for Amend to Licenses DPR-51 & NPF-6 Re Relocation of RETS Per GL 89-01 0CAN089606, Application for Amends to Licenses DPR-51 & NPF-6,allowing Implementation of Approved Option B to 10CFR50,App J1996-08-23023 August 1996 Application for Amends to Licenses DPR-51 & NPF-6,allowing Implementation of Approved Option B to 10CFR50,App J 2CAN089601, Application for Amend to License NPF-6,relocating RCS Flow Rate Limit from TS & to Colr,Iaw/Gl 88-16, Removal of Cycle-Specific Parameter Limits from Ts1996-08-23023 August 1996 Application for Amend to License NPF-6,relocating RCS Flow Rate Limit from TS & to Colr,Iaw/Gl 88-16, Removal of Cycle-Specific Parameter Limits from Ts 2CAN089609, Application for Amend to License NPF-6,revising Section 5.0, Design Features & Would for Most Part,Adopt NUREG-1432 Rev 1,improved, Std Tech Specs for C-E Plants, for Section of TS1996-08-23023 August 1996 Application for Amend to License NPF-6,revising Section 5.0, Design Features & Would for Most Part,Adopt NUREG-1432 Rev 1,improved, Std Tech Specs for C-E Plants, for Section of TS 0CAN069601, Application for Amends to Licenses DPR-51 & NPF-6,allowing Reactor Containment Bldg Equipment Hatch Doors to Remain Open During Fuel Handling & Core Alterations1996-06-28028 June 1996 Application for Amends to Licenses DPR-51 & NPF-6,allowing Reactor Containment Bldg Equipment Hatch Doors to Remain Open During Fuel Handling & Core Alterations 1999-09-19
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Power & Ught Company 425 West C:pitol
, , s Uttle Rock. Arkansas 72203 o Tel 501377 3525 T. O. Campbell v Pres dent 1^ October 26, 1989'
.9CAN198999
.U. S. Nuclear. Regulatory Commission Document Control Desk Mail Station P1-137 Washington,.DC 20555
Subject:
Arkansas Nuclear One - Units 1 & 2 Docket Nos. 50-313 and 50-368 License Nos. DPR-51 and NPF-6 Additional ICC Technical Specifications Gentlemen:
NRC letter dated March 23,1989,(0CNA038925) transmitted the Safety Evaluation of the'AN0-1 and 2 Inadequate Core Cooling (ICC) instrumentation systems, which concluded that the ICC systems for both units are performing satisfactorily and meet.the design and operation requirements specified in NUREG-0737, Item II.F.2. In that letter the staff also requested that additional technical specifications be developed for the Reactor Vessel Level Monitoring Systems (RVLMSs) for both AN0 units and the Hot Leg Level Measurement System (HLLMS) for ANO-1, and provided guidance for their preparation. As requested
-by the NRC staff, this letter transmits our proposed technical specifications.
Technical specifications for the other portions of the ANO ICC instrumentation (subcooled margin monitors and core exit thermocouples) for both units have been submitted and approved previously.
In accordance with the above referenced NRC guidance, AP&L proposes that the operability requirements for the ANO-1 RVLMS and HLLMS be included in ANO-1 Technical . Specification Table 3.5.1-1 and the associated Surveillance Requirements in Table 4.1-1, and reflected in the appropriate Bases. The operability and surveillance requirements for the ANO-2 RVLMS are proposed to be included in Tables 3.3-10 and 4.3-10, respectively, of the ANO-2 Technical l' Specifications. Associated Special Report requirements are also proposed to be reflected in the appropriate location in Section 6 for each unit. The proposed changes are attached for your review and approval.
p Operability and surveillance requirements similar to those proposed for ANO-1 l and 2 were approved for TMI-1 (docket 50-289) by issuance of Amendment 147 dated December 13, 1988, and for San Onofre (dockets 50-361 and 50-362) p by issuance of Amendments 60 and 49 dated August 14, 1987, respectively.
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October 26, 1989 In accordance with 10CFR50.91(a)(1), and using the criteria in 10CFR50.92(c),
- AP&L has determined that the proposed change involves no significant hazards. consideration. Our basis for this determination is also attached for your review. The circumstances of the proposed change are neither exigent nor an emergency.
AP&L requests that the effective date for this change be 30 days after NRC i issuance of the amendment to allow for distribution and procedaral revisions necessary to implement this change. '
s-Very truly yours, WW-T. G. Camp 1 A
TGC:rbt Attachment cc: Mr. Robert Martin ,
U. S. Nuclear Regulatory Commission Region IV 611 Ryan Plaza Drive, Suite 1000 Arlington, TX 76011 NRC Senior Resident Inspector Arkansas Nuclear One - ANO-1 & 2 Number 1, Nuclear Plant Road Russellville, AR 72801 Mr. C. Craig Harbuck NRR Project Manager, Region IV/ANO-1 U. S. Nuclear Regulatory Commission NRR Mail Stop 13-D-18 One White Flint North 11555 Rockville Pike Rockville, Maryland 20852 Mr. Chester Poslusny l NRR Project Manager, Region IV/ANO-2 i U. S. Nuclear Regulatory Commission l NRR Mail Stop 13-D-18 l One White Flint North lL 11555 Rockville Pike l Rockville, Maryland 20852 1'
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. l I, T. Gene Campbell, being duly sworn, subscribe to and say that I am l 1
Vice President, Nuclear'for Arkansas Power & Light Company; that I have full !
authority to execute this oath; that I have read the document numbered ;
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SCAN 198989 and know the contents'thereof; and that to the best of my '
knowledge, information and belief, the statements in it are true. ,
T. G. Campb 1 -
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' SUBSCRIBED AND SWORN T0 before me, a Notary Public in and for the CountyandStateabovenamed,this${c u day of OcL6r . .
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PROPOSED TECHNICAL SPECIFICATION CHANGES l
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LICENSE AMENDMENT' REQUEST q IN THE MATTER OF AMENDING
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LICENSE.NO. DPR !
4 LICENSE NO. NPF-6 ARKANSAS POWER &-LIGHT COMPANY d i
. ARKANSAS-NUCLEAR ONE, UNIT 1 ,
W NRKANSASNUCLEAR0NE, UNIT 2 :
DOCKET NO. 50-313
.7 DOCKET NO. 50-368 '!;
OCTOBER 17, 1989
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DESCRIPTION OF PROPOSED CHANGE AP&L proposes to add technical specifications for additional Inadequate Core 4 h Cooling (ICC) instrumentation, specifically the Reactor Vessel Level Monitoring Systems (RVLMS) for both ANO-1 and 2, and the Hot Leg Level Measurement System (HLLMS) for ANO-1, in accordance with NRC request.
AP&L proposes that the operability requirements for the ANO-1 RVLMS and HLLMS be included in ANO-1 Technical Specification Table 3.5.1-1 and the associated Surveillance Requirements in Table 4.1-1, and reflected in the appropriate Bases.
The operability and surveillance requirements for the ANO-2 RVLMS are proposed to be included in Tables 3.3-10 and 4.3-10, respectively, of the ANO-2 Technical Specifications. Special Report requirements associated with the proposed changes will also be reflected in the appropriate location of Section 6 (Administrative Controls) for each unit.
DISCUSSION ANO-1 Technical Specification 3.5.1, Operational Safety Instrumc0tation,
' delineates the conditions of the unit instrumentation and safety circuits necessary to assure reactor safety. Specifications 3.5.1.1 and 3.5.1.2, respectively, state that the operability requirements of Table 3.5.1-1, Columns 3'and 4 must be met, or operation shall be limited as specified in Column 5. AP&L proposes to add the operability requirements associated with the RVLHS and HLLMS as Table 3.5.1-1 Items 14 and 15, respectively, with the Column 5 action specified under Note 27. The associated surveillance requirements are to be added as Table 4.1-1 Items 63 and 64. The channel operability of the RVLMS is defined as a minimum of three sensors in the upper plenum region and two sensors in the dome region operable. The HLLMS is configured such that one channel is composed of one wide range (WR) transmitter for one hot leg and four narrow range (NR) transmitters for the other hot leg.
Each hot leg therefore has a WR and four NR transmitters associated with different safety channels, which provides a desired redundancy above that which would be provided if all transmitters associated with a hot leg were of the same channel. Therefore, the channel operability of the HLLMS is defined as a minimum of one WR and any two of the NR transmitters in the same channel operable. The action associated with a condition where fewer than the minimum number of channels are operable allows continued operation, but requires a Special Report to the NRC, outlining the cause of the inoperability and the plans and schedule for restoring the system to operable status, and also requires that both channels of the system be restored to operable at the next I scheduled refueling outage. This requirement for a Special Report will also l be reflected in Section 6.12.5.
ANO-2 Technical Specification 3/4.3.3.6, Post-Accident Instrumentation, provides i the operability and surveillance requirements for post-accident monitoring
( instrument channels. Specification 3.3.3.6(a) requires the minimum number of operable channels specified by Table 3.3-10, and the associated Surveillance
, Requirement 4.3.3.6 requires periodic demonstration of operability at l frequencies shown in Table 4.3-10. AP&L proposes to add the RVLMS operability I and surveillance requirements as Table 3.3-10 Itera 14, and Table 4.3-10 Item 14, respectively. The channel operability of the ANO-2 RVLMS is defined l as a minimum of two sensors in the upper plenum region and one sensor in the dome region operable. A note will be added to Table 3.3-10 Item 14 to show l
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that continued operation with less than the required number of operable channels is allowed, but requiring a Special Report to the NRC, outlining the
- cause of the inoperability and the plans and schedule for restoring the system
, to operable status, and also requiring that both channels of the system be restored to operable at the next scheduled refueling outage. This requirement for a Special Report will also be reflected in Section 6.9.2.
BACKGROUND
[ By NRC " Order for Modification of License" dated December 10, 1982, AP&L was required to install specific RCS inventory tracking systems as part of the Inadequate Core Cooling (ICC) instrumentation systems in accordance with NUREG-0737, Item II.F.2. NRC Generic Letter 83-37 was subsequently issued on November 1, 1983 to provide guidance on technical specifications for this and other equipment, required by NUREG-0737. The ANO ICC instrumentation systems were evaluated and approved by issuance of NRC Safety Evaluation dated March 23, 1983. The systems consist of subcooled margin (SCM) monitors, core exit thermocouples (CETs), and Reactor Vessel Level Monitoring Systems (RVLMS),
for both ANO-1 and ANO-2, and a Hot Leg Level Measurement System (HLLMS) for ANO-1. The technical specifications for the SCM monitors and CETs for both units have been submitted and approved previously.
The function of the ICC instrumentation is to enhance the ability of the plant operator to diagnose the approach te, existence of, and recovery from ICC conditions. The specific instrumentation addressed by this proposed change also aids in tracking reactor coolant inventory. However, this instrumentation is not required by the accident analyses, nor to briag the plant to cold ;
shutdown conditions. In the event that more than the mquired number of operable RVLMS sensors or HLLMS transmitters are inoperable, repairs may only be possible during the next refueling outage. This is because the RVLMS sensors are accessible only after the reactor missle shield and reactor vessel head are removed. It is therefore not feasible to repair a channel except during a refueling outage when the missle shield and reactor vessel head are removed to refuel the core. Similarly, HLLMS transmitters may only be .
accessible for repair when the reactor coolant system has been depressurized l and drained during a refueling outage. In the event that only one channel i is inoperable, it should be restored as soon as reasonably possible during )
a refueling outage. If both channels are inoperable, both must be restored i to operable status in the next scheduled refueling outage. In the event that both channels of the RVLMS and HLLMS are inoperable, existing plant instruments and operator training will be used as an alternate method of monitoring reactor core cooling and potential ICC conditions. The reactor coolant inventory tracking instrumentation may be a useful information system if available, but it will not cause an adverse impact if it is not operable. The required actions discussed above therefore provide the appropriate level of emphasis for an information system; i.e., to allow continued plant operation and not to force an unnecessary shutdown.
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DESCRIPTION OF PROPOSED NO SIGNIFICANT HAZARDS DETERMINATION In accordance with 10CFR50.92, AP&L has evaluated whether the proposed change i involves a significant safety hazards consideration. AP&L has concluded that the proposed changes to incorporate operability and surveillance requirements i
for the reactor coolant inventory tracking portions of the ICC system do not n involve a significant hazards consideration because the operation of Arkansas Nuclear One, Units 1 and 2 in accordance with this change would not:
(1) Involve a significant increase in the probability or consequences of an accident previously evaluated.
. The reactor coolant inventory tracking portion of the ICC instrumentation is l- used for operator information only. There are no safety system actuations or any specific operator actions taken solely on indications from the
- instrumentation addressed by this proposed change. Therefore, the accident mitigation features of the plant are not affected by the proposed change.
(2) Create the possibility of a new or different kind of accident from any previously evaluated.
No new possibility for an accident is introduced by incorporating operability and surveillance requirements for the reactor coolant inventory tracking instrumentation. The equipment addressed by the proposed change is not a part of plant control instruments or safety system actuation circuitry and is used only for operator information. Requirements related to systems that have only a passive monitoring function do not create the possiblity of a new or different kind of accident.
(3) Involve a significant reduction in the margin of safety.
Addition of operability and surveillance requirements for the reactor coolant inventory tracking instrumentation constitutes an additional control not presently ircluded in the ANO-1 and 2 Technical Specifications and will require that this equipment is properly maintained. The new and more stringent requirements related to equipment which provides additional operator information may therefore enhance the margin of safety. The potential for display of misleading information from this instrumentation has been evaluated and appropriately addressed and incorporated into plant emergency operating procedures.
, The NRC has provided guidance concerning the application of these standards I
by providing examples of changes involving no significant hazards considerations. The proposed amendment most closely matches example (ii):
a change that constitutes an additional limitation, restriction, or control not presently included in the technical specifications, e.g. , a more stringent surveillance requirement. The addition of specific operability and surveillance
. requirements for the ANO-1 and 2 reactor coolant inventory tracking portions of the ICC instrumentation systems clearly constitutes additional controls not presently included in the ANO-1 and 2 Technical Specifications.
Therefore, based on the evaluation discussed above, AP&L has concluded that the proposed change does not involve a significant hazards consideration.