RA05-080, 2004 Regulatory Commitment Change Summary Report
| ML052940246 | |
| Person / Time | |
|---|---|
| Site: | LaSalle  |
| Issue date: | 10/11/2005 |
| From: | Enright D Exelon Generation Co, Exelon Nuclear |
| To: | Document Control Desk, Office of Nuclear Reactor Regulation |
| References | |
| NEI 99-04, RA05-080 | |
| Download: ML052940246 (3) | |
Text
Exelkn,.
Exelon Generation Company, LLC www.exeloncorp.com Nuclear LaSalle County Station 2601 North 21"Road Marseilles, IL 61341-9757 RA05-80 October 11, 2005 United States Nuclear Regulatory Commission Attention: Document Control Desk Washington, D.C. 20555 LaSalle County Station, Units 1 and 2 Facility Operating License Nos. NPF-11 and NPF-18 NRC Docket Nos. 50-373 and 50-374
Subject:
2004 Regulatory Commitment Change Summary Report Enclosed is the Exelon Generation Company, LLC, (EGC), 2004 commitment change summary for LaSalle County Station. Revisions to docketed correspondence were processed using the Nuclear Energy Institute's (NEI) 99-04, Revision 0, "Guidelines for Managing NRC Commitment Changes," dated July 1999.
Should you have any questions concerning this letter, please contact Mr. Terrence Simpkin, Regulatory Assurance Manager, at (815) 415-2800.
Respectfully, Daniel Enright Plant Manager LaSalle County Station Attachment cc: Regional Administrator - NRC Region IlIl NRC Senior Resident Inspector - LaSalle County Station FoGCO
ATTACHMENT 2004 LaSalle County Station Commitment Change Summary Commitment Date of Original Original Commitment Revised Commitment Basis For Revision Revision Commitment Document Tracking No. Revision 04-001 516104 Response to IE LaSalle Istracking control rod blade LaSalle Istracking control rod blade This frequency change continues to comply with Bulletin 79-26 RI exposure on a monthly basis in exposure on a quarterly (92 day) basis IEB 79-26 Ri, which did not specify a required accordance with procedure LTP-1 600- inaccordance with procedure LTP- frequency Interval. Documentation of control rod 29, Control Rod Blade End-of-Life 1600-29. 'Control Rod Blade End-of- blade exposure tracking on a quarterly basis Projection.' Life Projection.! provides an adequate monitoring interval for this surveillance.04-002 Number not used.04-003 8/11104 GL 89-13 Program Inspect, evaluate and clean the service Inspect, evaluate and clean the The frequency of the activity Is unchanged. The Basis Document water (WS) tunnel once every refueling service water (WS) tunnel every 24 purpose of the change is to facilitate performing the Rev. 3, Section outage. months. WS tunnel clean and inspect activities while online.
3.2.3 "LaSalle Station Implementation Activities'04-004 10t15/04 GL 89-13 A surveillance Is performed each Asurveillance Is performed once ver The frequency of the inspection Is the same or refueling outage to Inspect the CW pump year to inspect the CW pump suction Increased. The purpose of the change is to suction bays inthe Lake Screenhouse. bays Inthe Lake Screenhouse. facilitate performing the CW pump suction bay Inspection activities while online.04-005 10114104 GL 89-13 The Chemical Feed System Is also The Chemical Feed System is also LaSalle no longer uses polyacrylic acid. The silt designed to minimize and control silting designed to minimize and control dispersant/scale inhibitor performs the same in GL 89-13 applicable systems by the silting In GL 89-13 applicable systems function, which Is to limit scale and silt.
Injection of a polvacrylic acid solution. by the injection of a silt dispersant/scale Inhibitor.04-006 10114/04 GL 89-13 The CSCS screen bypass line between The CSCS screen bypass line The frequency of the activity Is unchanged. The the bargrill and the CSCS screen bypass between the bargrill and the CSCS purpose of the change Is to facilitate performing the isolation valve is visually Inspected for screen bypass isolation valve is cleaning and inspection activities while Unit 1 is accumulation of sediment, fouling and visually inspected for accumulation of online.
corbicula or zebra mussel infestation sediment, fouling and corbicula or each Unit I refueling outage. zebra mussel infestation every 24 months.04-007 10/14/04 GL 89-13 Each such 'inspection of opportunity' is The System Components. Structures Only the record location is changed. Station documented by the System Engineer and Piping 'inspection of opportunity' records is where original plant documentation and retained Inthe GL 89-13 program documents should be retained In should properly be stored.
files. station records.
ATTACHMENT 2004 LaSalle County Station Commitment Change Summary 1 r 1 1 04-008 10/15/04 GL 89-13 Four locations have been identified as Four locations have been Identified as The frequency of the Inspections is unchanged.
experiencing low flow velocities. A experiencing low flow velocities. A The purpose of the change is to facilitate baseline Inspection consisting of baseline Inspection consisting of performing the inspection activities while online.
ultrasonic gage thickness measurements ultrasonic gage thickness has been performed. Periodic measurements has been performed. AND Inspections will be performed at these Periodic Inspections will be performed same locations every refueling outage. at these same locations every two The EPRI computer model is not a requirement:
years. the current program inspection requirements are AND adequate.
AND Future Inspection locations will also be chosen based on a computer program Discussion of EPRI computer program being developed via a collaboration has been deleted.
between ComEd and the Electric Power Research Institute (EPRI). This program will contain a flow model of the CSCS system and will predict which areas are most susceptible to corrosion and fouling.
.4 .4. 4 04-009 12/6/05 FSAR Q&A 021.12 Response 1.c to Question 021.12 Response 1.c to Question 021.12 to Regulatory Guide 1.11 'Instrument Lines and 021.41 (LSCS-FSAR Amendment 22, May read: 'These valves shall Penetrating Primary Reactor Containment' does 1977) states that the excess flow check automatically close on an excess flow not require the excess flow check valve to valves 'shall automatically reooen when condition, and will reopen or can be automatically open or reset.
the excess flow conditions have been reopened under the conditions that will corrected. This is In conformance with prevail when valve reopening Is Regulatory Guide 1.11, Regulatory appropriate as stated in Regulatorv Positions Ic and 2c.' Guide 1.11. Regulatory Position lc."
Response to Question 021.41 (LSCS- Response to Question 021.41 to read:
FSAR Amendment 24, September 1977) 'The excess flow check valves to be states that 'the valve (I.e., excess flow used on instrument sensing lines check valve) then automatically resets which are open to the primary when this differential has been containment are of special design eliminated by repairing the line break." which forces the valve to close when a 1 psi differential air pressure exists across the valve. The valve will reopen or can be reopened under the conditions that will prevail when valve reopening Is appropriate as stated In Regulatory Guide 1.11. Regulatory Position 1c."
Text
Exelkn,.
Exelon Generation Company, LLC www.exeloncorp.com Nuclear LaSalle County Station 2601 North 21"Road Marseilles, IL 61341-9757 RA05-80 October 11, 2005 United States Nuclear Regulatory Commission Attention: Document Control Desk Washington, D.C. 20555 LaSalle County Station, Units 1 and 2 Facility Operating License Nos. NPF-11 and NPF-18 NRC Docket Nos. 50-373 and 50-374
Subject:
2004 Regulatory Commitment Change Summary Report Enclosed is the Exelon Generation Company, LLC, (EGC), 2004 commitment change summary for LaSalle County Station. Revisions to docketed correspondence were processed using the Nuclear Energy Institute's (NEI) 99-04, Revision 0, "Guidelines for Managing NRC Commitment Changes," dated July 1999.
Should you have any questions concerning this letter, please contact Mr. Terrence Simpkin, Regulatory Assurance Manager, at (815) 415-2800.
Respectfully, Daniel Enright Plant Manager LaSalle County Station Attachment cc: Regional Administrator - NRC Region IlIl NRC Senior Resident Inspector - LaSalle County Station FoGCO
ATTACHMENT 2004 LaSalle County Station Commitment Change Summary Commitment Date of Original Original Commitment Revised Commitment Basis For Revision Revision Commitment Document Tracking No. Revision 04-001 516104 Response to IE LaSalle Istracking control rod blade LaSalle Istracking control rod blade This frequency change continues to comply with Bulletin 79-26 RI exposure on a monthly basis in exposure on a quarterly (92 day) basis IEB 79-26 Ri, which did not specify a required accordance with procedure LTP-1 600- inaccordance with procedure LTP- frequency Interval. Documentation of control rod 29, Control Rod Blade End-of-Life 1600-29. 'Control Rod Blade End-of- blade exposure tracking on a quarterly basis Projection.' Life Projection.! provides an adequate monitoring interval for this surveillance.04-002 Number not used.04-003 8/11104 GL 89-13 Program Inspect, evaluate and clean the service Inspect, evaluate and clean the The frequency of the activity Is unchanged. The Basis Document water (WS) tunnel once every refueling service water (WS) tunnel every 24 purpose of the change is to facilitate performing the Rev. 3, Section outage. months. WS tunnel clean and inspect activities while online.
3.2.3 "LaSalle Station Implementation Activities'04-004 10t15/04 GL 89-13 A surveillance Is performed each Asurveillance Is performed once ver The frequency of the inspection Is the same or refueling outage to Inspect the CW pump year to inspect the CW pump suction Increased. The purpose of the change is to suction bays inthe Lake Screenhouse. bays Inthe Lake Screenhouse. facilitate performing the CW pump suction bay Inspection activities while online.04-005 10114104 GL 89-13 The Chemical Feed System Is also The Chemical Feed System is also LaSalle no longer uses polyacrylic acid. The silt designed to minimize and control silting designed to minimize and control dispersant/scale inhibitor performs the same in GL 89-13 applicable systems by the silting In GL 89-13 applicable systems function, which Is to limit scale and silt.
Injection of a polvacrylic acid solution. by the injection of a silt dispersant/scale Inhibitor.04-006 10114/04 GL 89-13 The CSCS screen bypass line between The CSCS screen bypass line The frequency of the activity Is unchanged. The the bargrill and the CSCS screen bypass between the bargrill and the CSCS purpose of the change Is to facilitate performing the isolation valve is visually Inspected for screen bypass isolation valve is cleaning and inspection activities while Unit 1 is accumulation of sediment, fouling and visually inspected for accumulation of online.
corbicula or zebra mussel infestation sediment, fouling and corbicula or each Unit I refueling outage. zebra mussel infestation every 24 months.04-007 10/14/04 GL 89-13 Each such 'inspection of opportunity' is The System Components. Structures Only the record location is changed. Station documented by the System Engineer and Piping 'inspection of opportunity' records is where original plant documentation and retained Inthe GL 89-13 program documents should be retained In should properly be stored.
files. station records.
ATTACHMENT 2004 LaSalle County Station Commitment Change Summary 1 r 1 1 04-008 10/15/04 GL 89-13 Four locations have been identified as Four locations have been Identified as The frequency of the Inspections is unchanged.
experiencing low flow velocities. A experiencing low flow velocities. A The purpose of the change is to facilitate baseline Inspection consisting of baseline Inspection consisting of performing the inspection activities while online.
ultrasonic gage thickness measurements ultrasonic gage thickness has been performed. Periodic measurements has been performed. AND Inspections will be performed at these Periodic Inspections will be performed same locations every refueling outage. at these same locations every two The EPRI computer model is not a requirement:
years. the current program inspection requirements are AND adequate.
AND Future Inspection locations will also be chosen based on a computer program Discussion of EPRI computer program being developed via a collaboration has been deleted.
between ComEd and the Electric Power Research Institute (EPRI). This program will contain a flow model of the CSCS system and will predict which areas are most susceptible to corrosion and fouling.
.4 .4. 4 04-009 12/6/05 FSAR Q&A 021.12 Response 1.c to Question 021.12 Response 1.c to Question 021.12 to Regulatory Guide 1.11 'Instrument Lines and 021.41 (LSCS-FSAR Amendment 22, May read: 'These valves shall Penetrating Primary Reactor Containment' does 1977) states that the excess flow check automatically close on an excess flow not require the excess flow check valve to valves 'shall automatically reooen when condition, and will reopen or can be automatically open or reset.
the excess flow conditions have been reopened under the conditions that will corrected. This is In conformance with prevail when valve reopening Is Regulatory Guide 1.11, Regulatory appropriate as stated in Regulatorv Positions Ic and 2c.' Guide 1.11. Regulatory Position lc."
Response to Question 021.41 (LSCS- Response to Question 021.41 to read:
FSAR Amendment 24, September 1977) 'The excess flow check valves to be states that 'the valve (I.e., excess flow used on instrument sensing lines check valve) then automatically resets which are open to the primary when this differential has been containment are of special design eliminated by repairing the line break." which forces the valve to close when a 1 psi differential air pressure exists across the valve. The valve will reopen or can be reopened under the conditions that will prevail when valve reopening Is appropriate as stated In Regulatory Guide 1.11. Regulatory Position 1c."