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{{#Wiki_filter:Accession No. ML103060207 | {{#Wiki_filter:Accession No. ML103060207 From: Tam, Peter Sent: Monday, November 01, 2010 5:36 PM To: Salamon, Gabor; Loeffler, Richard A. | ||
Cc: Woodyatt, Diana; Pascarelli, Robert; Ulses, Anthony | |||
From: Tam, Peter Sent: Monday, November 01, 2010 5:36 PM To: Salamon, Gabor; Loeffler, Richard A. Cc: Woodyatt, Diana; Pascarelli, Robert; Ulses, Anthony | |||
==Subject:== | ==Subject:== | ||
| Line 26: | Line 25: | ||
Gabe: | Gabe: | ||
By letters dated April 11, 2008 (Accession No. ML081020695), October 14, 2008 (Accession No. ML082880662), and August 14, 2009, (Accession No. ML92290180), | By letters dated April 11, 2008 (Accession No. ML081020695), October 14, 2008 (Accession No. ML082880662), and August 14, 2009, (Accession No. ML92290180), | ||
the licensee submitted information in response to Generic Letter 2008-01 | the licensee submitted information in response to Generic Letter 2008-01 Managing Gas Accumulation in Emergency Core Cooling, Decay Heat Removal, and Containment Spray Systems, for Monticello Nuclear Generating Plant. On the basis of the provided information, the NRC staff has concluded that additional information is needed to determine that the licensee has acceptably demonstrated that the subject systems are in compliance with the current licensing and design bases and applicable regulatory requirements, and that suitable design, operational, and testing control measures are in place for maintaining this compliance as stated in Generic Letter (GL) 2008-01. | ||
You may accept this e-mail as formal RAI, and respond to it by December 1, 2010 (30 days from today). Alternatively, you may request to hold a conference call with the NRC staff to discuss the following questions, and agree on a target date by which you will provide a formal response. | |||
You may accept this e-mail as formal RAI, and respond to it by December 1, 2010 (30 days from today). Alternatively, you may request to hold a conference call with the NRC staff to discuss the following questions, and agree on a target date by which you will provide a formal response. | |||
Guidance on Nuclear Regulatory Commission (NRC) staff expectations is provided by Reference 1, which is generally consistent with Nuclear Energy Institute (NEI) guidance provided to the industry in Reference 2 as clarified in later NEI communications. The NRC staff recommends that the licensee consult Reference 1 when responding to the following questions: | Guidance on Nuclear Regulatory Commission (NRC) staff expectations is provided by Reference 1, which is generally consistent with Nuclear Energy Institute (NEI) guidance provided to the industry in Reference 2 as clarified in later NEI communications. The NRC staff recommends that the licensee consult Reference 1 when responding to the following questions: | ||
: 1. In the Licensing Basis evaluation section, the licensee stated that Technical Specification Surveillance Requirement 3.5.1.1 does not address emergency core cooling system (ECCS) suction piping, high pressure ECCS piping, decay heat removal, or containment spray piping. What actions are being taken to ensure that the areas not addressed in the TS SR are operable? | : 1. In the Licensing Basis evaluation section, the licensee stated that Technical Specification Surveillance Requirement 3.5.1.1 does not address emergency core cooling system (ECCS) suction piping, high pressure ECCS piping, decay heat removal, or containment spray piping. What actions are being taken to ensure that the areas not addressed in the TS SR are operable? | ||
: 2. Industry guidance on acceptable void criteria for suction piping has been updated since submittal of | : 2. Industry guidance on acceptable void criteria for suction piping has been updated since submittal of Monticellos 9-month response (see Reference 8). Please provide updated void acceptance criteria, if applicable. | ||
: 3. Training was not identified in the GL but is considered to be a necessary part of applying procedures and other activities when addressing the issues identified in the GL. Please briefly discuss training. | : 3. Training was not identified in the GL but is considered to be a necessary part of applying procedures and other activities when addressing the issues identified in the GL. Please briefly discuss training. | ||
Peter S. Tam, Senior Project Manager (for D.C. Cook and Monticello) | |||
: 1. Ruland, William H., | Plant Licensing Branch III-1 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Tel. 301-415-1451 | ||
: 2. Riley, James H., | >>>>>>>>>>>>>>>>>>>>>>>>> | ||
: 4. Sawatzke, Bradley J., | REFERENCES | ||
: 5. | : 1. Ruland, William H., Preliminary Assessment of Responses to Generic Letter 2008-01, Managing Gas Accumulation in emergency Core Cooling, Decay Heat Removal, and Containment Spray Systems, and Future NRC Staff Review Plans, NRC letter to James H. Riley, Nuclear Energy Institute, ML091390637, May 28, 2009. | ||
: 6. | : 2. Riley, James H., Generic Letter (GL) 2008-01, Managing Gas Accumulation in Emergency Core Cooling, Decay Heat Removal, and Contain Spray Systems Evaluation and 3 Month Response Template, Letter to Administrative Points of Contact from Director, Engineering, Nuclear Generation Division, Nuclear Energy Institute, Enclosure 2, Generic Letter 2008-01 Response Guidance, March 20, 2008. | ||
: 7. Warren C. Lyon, U.S. Nuclear Regulatory Commission, | : 3. Case, Michael J., NRC Generic Letter 2008-01: Managing Gas Accumulation in Emergency Core Cooling, Decay Heat Removal, and Containment Spray Systems, Letter from Director, Division of Policy and Rulemaking, Office of Nuclear Regulation, NRC, ML072910759, January 11, 2008. | ||
ML090900136, March 26, 2009. | : 4. Sawatzke, Bradley J., Nuclear Management Company, LLC; Monticello Nuclear Generating Plant, Generic Letter 2008-01: Three-Month Response to Generic Letter 2008-01, Letter to Document Control Desk, NRC, from Plant Manager, Monticello Nuclear Generating Plant, ML081020695, April 11, 2008. | ||
: 8. | : 5. OConnor, Timothy J., Xcel Energy; Monticello Nuclear Generating Plant, Nine-Month Response to NRC Generic Letter 2008-01,Managing Gas Accumulation in Emergency Core Cooling, Decay Heat Removal, and Containment Spray Systems (TAC No. 7847), Letter to Document Control Desk, NRC, from Site Vice President, Monticello Nuclear Generating Plant, ML082880662, October 14, 2008. | ||
E-mail Properties Mail Envelope Properties (0A64B42AAA8FD4418CE1EB5240A6FED1219553AC85) | : 6. OConnor, Timothy J., Xcel Energy; Monticello Nuclear Generating Plant, Nine-Month Supplemental (Post-Outage) Response to NRC Generic Letter 2008-01, Letter to Document Control Desk, NRC, from Site Vice President, Monticello Nuclear Generating Plant, ML092290180, August 14, 2009. | ||
: 7. Warren C. Lyon, U.S. Nuclear Regulatory Commission, Revision 2 to NRC Staff Criteria for Gas Movement in Suction Lines and Pump Response to Gas, ML090900136, March 26, 2009. | |||
: 8. Guidance To NRC/NRR/DSS/SRXB Reviewers for Writing TI Suggestions for the Region Inspections, ML102300053, August 18, 2010. | |||
E-mail Properties Mail Envelope Properties (0A64B42AAA8FD4418CE1EB5240A6FED1219553AC85) | |||
==Subject:== | ==Subject:== | ||
Monticello - Draft RAI on response to Generic Letter 2008-01 re. gas accumulation in ECCS etc. (TAC MD7847) | Monticello - Draft RAI on response to Generic Letter 2008-01 re. gas accumulation in ECCS etc. (TAC MD7847) | ||
Sent Date: | Sent Date: 11/01/2010 5:35:53 PM Received Date: 11/01/2010 5:35:00 PM From: Tam, Peter Created By: Peter.Tam@nrc.gov Recipients: | ||
Gabor.Salamon@xenuclear.com (Salamon, Gabor) | |||
Created By: | Tracking Status: None Richard.Loeffler@xenuclear.com (Loeffler, Richard A.) | ||
Recipients: | |||
Gabor.Salamon@xenuclear.com (Salamon, Gabor) | |||
Tracking Status: None Diana.Woodyatt@nrc.gov (Woodyatt, Diana) | Tracking Status: None Diana.Woodyatt@nrc.gov (Woodyatt, Diana) | ||
Tracking Status: None Robert.Pascarelli@nrc.gov (Pascarelli, Robert) | Tracking Status: None Robert.Pascarelli@nrc.gov (Pascarelli, Robert) | ||
Tracking Status: None Anthony.Ulses@nrc.gov (Ulses, Anthony) | Tracking Status: None Anthony.Ulses@nrc.gov (Ulses, Anthony) | ||
Tracking Status: None | Tracking Status: None Post Office: | ||
HQCLSTR02.nrc.gov Files Size Date & Time MESSAGE 28622 11/01/2010 Options Expiration Date: | |||
Post Office: | Priority: olImportanceNormal | ||
HQCLSTR02.nrc.gov | |||
Files | |||
MESSAGE | |||
Options Expiration Date: | |||
Priority: | |||
Sensitivity: | ReplyRequested: False Return Notification: False Sensitivity: olNormal Recipients received:}} | ||
Revision as of 07:51, 13 November 2019
| ML103060207 | |
| Person / Time | |
|---|---|
| Site: | Monticello  |
| Issue date: | 11/01/2010 |
| From: | Tam P Plant Licensing Branch III |
| To: | Salamon G, Loeffler R Northern States Power Co |
| Tam P | |
| References | |
| TAC MD7847, GL-08-001 | |
| Download: ML103060207 (4) | |
Text
Accession No. ML103060207 From: Tam, Peter Sent: Monday, November 01, 2010 5:36 PM To: Salamon, Gabor; Loeffler, Richard A.
Cc: Woodyatt, Diana; Pascarelli, Robert; Ulses, Anthony
Subject:
Monticello - Draft RAI on response to Generic Letter 2008-01 re. gas accumulation in ECCS etc. (TAC MD7847)
Gabe:
By letters dated April 11, 2008 (Accession No. ML081020695), October 14, 2008 (Accession No. ML082880662), and August 14, 2009, (Accession No. ML92290180),
the licensee submitted information in response to Generic Letter 2008-01 Managing Gas Accumulation in Emergency Core Cooling, Decay Heat Removal, and Containment Spray Systems, for Monticello Nuclear Generating Plant. On the basis of the provided information, the NRC staff has concluded that additional information is needed to determine that the licensee has acceptably demonstrated that the subject systems are in compliance with the current licensing and design bases and applicable regulatory requirements, and that suitable design, operational, and testing control measures are in place for maintaining this compliance as stated in Generic Letter (GL) 2008-01.
You may accept this e-mail as formal RAI, and respond to it by December 1, 2010 (30 days from today). Alternatively, you may request to hold a conference call with the NRC staff to discuss the following questions, and agree on a target date by which you will provide a formal response.
Guidance on Nuclear Regulatory Commission (NRC) staff expectations is provided by Reference 1, which is generally consistent with Nuclear Energy Institute (NEI) guidance provided to the industry in Reference 2 as clarified in later NEI communications. The NRC staff recommends that the licensee consult Reference 1 when responding to the following questions:
- 1. In the Licensing Basis evaluation section, the licensee stated that Technical Specification Surveillance Requirement 3.5.1.1 does not address emergency core cooling system (ECCS) suction piping, high pressure ECCS piping, decay heat removal, or containment spray piping. What actions are being taken to ensure that the areas not addressed in the TS SR are operable?
- 2. Industry guidance on acceptable void criteria for suction piping has been updated since submittal of Monticellos 9-month response (see Reference 8). Please provide updated void acceptance criteria, if applicable.
- 3. Training was not identified in the GL but is considered to be a necessary part of applying procedures and other activities when addressing the issues identified in the GL. Please briefly discuss training.
Peter S. Tam, Senior Project Manager (for D.C. Cook and Monticello)
Plant Licensing Branch III-1 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Tel. 301-415-1451
>>>>>>>>>>>>>>>>>>>>>>>>>
REFERENCES
- 1. Ruland, William H., Preliminary Assessment of Responses to Generic Letter 2008-01, Managing Gas Accumulation in emergency Core Cooling, Decay Heat Removal, and Containment Spray Systems, and Future NRC Staff Review Plans, NRC letter to James H. Riley, Nuclear Energy Institute, ML091390637, May 28, 2009.
- 2. Riley, James H., Generic Letter (GL) 2008-01, Managing Gas Accumulation in Emergency Core Cooling, Decay Heat Removal, and Contain Spray Systems Evaluation and 3 Month Response Template, Letter to Administrative Points of Contact from Director, Engineering, Nuclear Generation Division, Nuclear Energy Institute, Enclosure 2, Generic Letter 2008-01 Response Guidance, March 20, 2008.
- 3. Case, Michael J., NRC Generic Letter 2008-01: Managing Gas Accumulation in Emergency Core Cooling, Decay Heat Removal, and Containment Spray Systems, Letter from Director, Division of Policy and Rulemaking, Office of Nuclear Regulation, NRC, ML072910759, January 11, 2008.
- 4. Sawatzke, Bradley J., Nuclear Management Company, LLC; Monticello Nuclear Generating Plant, Generic Letter 2008-01: Three-Month Response to Generic Letter 2008-01, Letter to Document Control Desk, NRC, from Plant Manager, Monticello Nuclear Generating Plant, ML081020695, April 11, 2008.
- 5. OConnor, Timothy J., Xcel Energy; Monticello Nuclear Generating Plant, Nine-Month Response to NRC Generic Letter 2008-01,Managing Gas Accumulation in Emergency Core Cooling, Decay Heat Removal, and Containment Spray Systems (TAC No. 7847), Letter to Document Control Desk, NRC, from Site Vice President, Monticello Nuclear Generating Plant, ML082880662, October 14, 2008.
- 6. OConnor, Timothy J., Xcel Energy; Monticello Nuclear Generating Plant, Nine-Month Supplemental (Post-Outage) Response to NRC Generic Letter 2008-01, Letter to Document Control Desk, NRC, from Site Vice President, Monticello Nuclear Generating Plant, ML092290180, August 14, 2009.
- 7. Warren C. Lyon, U.S. Nuclear Regulatory Commission, Revision 2 to NRC Staff Criteria for Gas Movement in Suction Lines and Pump Response to Gas, ML090900136, March 26, 2009.
- 8. Guidance To NRC/NRR/DSS/SRXB Reviewers for Writing TI Suggestions for the Region Inspections, ML102300053, August 18, 2010.
E-mail Properties Mail Envelope Properties (0A64B42AAA8FD4418CE1EB5240A6FED1219553AC85)
Subject:
Monticello - Draft RAI on response to Generic Letter 2008-01 re. gas accumulation in ECCS etc. (TAC MD7847)
Sent Date: 11/01/2010 5:35:53 PM Received Date: 11/01/2010 5:35:00 PM From: Tam, Peter Created By: Peter.Tam@nrc.gov Recipients:
Gabor.Salamon@xenuclear.com (Salamon, Gabor)
Tracking Status: None Richard.Loeffler@xenuclear.com (Loeffler, Richard A.)
Tracking Status: None Diana.Woodyatt@nrc.gov (Woodyatt, Diana)
Tracking Status: None Robert.Pascarelli@nrc.gov (Pascarelli, Robert)
Tracking Status: None Anthony.Ulses@nrc.gov (Ulses, Anthony)
Tracking Status: None Post Office:
HQCLSTR02.nrc.gov Files Size Date & Time MESSAGE 28622 11/01/2010 Options Expiration Date:
Priority: olImportanceNormal
ReplyRequested: False Return Notification: False Sensitivity: olNormal Recipients received: