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| number = ML13123A085
| number = ML13123A085
| issue date = 05/02/2013
| issue date = 05/02/2013
| title = Relief Request No. I5R-02 - Request for Additional Information
| title = NRR E-mail Capture - Dresden Relief Request No. I5R-02 - Request for Additional Information
| author name = Purnell B A
| author name = Purnell B
| author affiliation = NRC/NRR/DORL/LPLIII-2
| author affiliation = NRC/NRR/DORL/LPLIII-2
| addressee name = Mathews M
| addressee name = Mathews M
Line 18: Line 18:


=Text=
=Text=
{{#Wiki_filter:1 NRR-PMDAPEm Resource From:Purnell, Blake Sent: Thursday, May 02, 2013 2:54 PM To: Mitchel.Mathews@exeloncorp.com Cc: ken.nicely@exeloncorp.com; Bowen, Jeremy; Mozafari, Brenda
{{#Wiki_filter:NRR-PMDAPEm Resource From:                     Purnell, Blake Sent:                     Thursday, May 02, 2013 2:54 PM To:                       Mitchel.Mathews@exeloncorp.com Cc:                       ken.nicely@exeloncorp.com; Bowen, Jeremy; Mozafari, Brenda


==Subject:==
==Subject:==
Dresden Relief Request No. I5R Request for Additional InformationOFFICE OF NUCLEAR REACTOR REGULATION REQUEST FOR ADDITIONAL INFORMATION DRESDEN NUCLEAR POWER STATION, UNITS 2 AND 3 EXELON GENERATION COMPANY, LLC RELIEF REQUEST NO. I5R-02 DOCKET NUMBERS 50-237 AND 50-249 TAC NOS. ME9684 AND ME9685
Dresden Relief Request No. I5R Request for Additional Information OFFICE OF NUCLEAR REACTOR REGULATION REQUEST FOR ADDITIONAL INFORMATION DRESDEN NUCLEAR POWER STATION, UNITS 2 AND 3 EXELON GENERATION COMPANY, LLC RELIEF REQUEST NO. I5R-02 DOCKET NUMBERS 50-237 AND 50-249 TAC NOS. ME9684 AND ME9685 By letter to the U.S. Nuclear Regulatory Commission (NRC) dated September 28, 2012 (Agencywide Documents Access and management System (ADAMS) Accession No. ML12275A069), as supplemented by letter dated November 28, 2012 (ADAMS Accession No. ML12333A263), Exelon Generation Company, LLC (the licensee) submitted several proposed relief requests for the Dresden Nuclear Power Station, Units 2 and
 
: 3. The NRC staff determined that the following additional information is necessary to complete the review of relief request I5R-02. This request for additional information (RAI) is in addition to the RAI sent to you on April 9, 2013, and the associated RAI numbering is continued. To support the schedule for approval the response to this request is expected by June 3, 2013.
By letter to the U.S. Nuclear Regulatory Commission (NRC) dated September 28, 2012 (Agencywide Documents Access and management System (ADAMS) Accession No. ML12275A069), as supplemented by letter dated November 28, 2012 (ADAMS Accession No. ML12333A263), Exelon Generation Company, LLC (the licensee) submitted several proposed relief requests for the Dresden Nuclear Power Station, Units 2 and  
Based on the NRC staffs review of Relief Request I5R-02:
: 3. The NRC staff determined that the following additional information is necessary to complete the review of relief request I5R-02. This request for additional information (RAI) is in addition to the RAI sent to you on April 9, 2013, and the associated RAI numbering is continued. To support the schedule for approval the response to this request is expected by June 3, 2013.  
: 4. The description and disposition of the gap identified in Attachment 1 of relief request I5R-02 for supporting requirement DA-C12 does not address the requirements in the American Society of Mechanical Engineers (ASME)/American Nuclear Society (ANS) RA-Sa-2009, Addenda to ASME/ANS RA-S-2008: Standard for Level 1/Large Early Release Frequency Probabilistic Risk Assessment for Nuclear Power Plant Applications. Provide verification that a review was conducted that shows support system dependencies are properly captured as required by the standard. In addition, specify whether peer-review or self-assessment results indicate whether this supporting requirement is categorized as capability Category I or not-met. If categorized as not-met, provide the disposition that ascertains the supporting requirement is now capability Category I.
 
Based on the NRC staff's review of Relief Request I5R-02:  
: 4. The description and disposition of the gap identified in Attachment 1 of relief request I5R-02 for supporting requirement DA-C12 does not address the requirements in the American Society of Mechanical Engineers (ASME)/American Nuclear Society (ANS) RA-Sa-2009, "Addenda to ASME/ANS RA-S-2008: Standard for Level 1/Large Early Release Frequency Probabilistic Risk Assessment for Nuclear Power Plant Applications."  Provide verification that a review was conducted that shows support system dependencies are properly captured as required by the standard. In addition, specify whether peer-review or self-assessment results i ndicate whether this supporting requirement is categorized as capability Category I or not-met. If categorized as "not-met", provide the disposition that ascertains the supporting requirement is now capability Category I.  
 
A copy of this email will be placed into ADAMS and made publicly available.
A copy of this email will be placed into ADAMS and made publicly available.
Sincerely,
Sincerely, Blake Purnell, Project Manager Plant Licensing Branch III-2 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation U.S. Nuclear Regulatory Commission ph: 301-415-1380 1
 
Blake Purnell, Project Manager Plant Licensing Branch III-2 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation U.S. Nuclear Regulatory Commission  


ph: 301-415-1380
Hearing Identifier:   NRR_PMDA Email Number:         681 Mail Envelope Properties   (Blake.Purnell@nrc.gov20130502145300)
 
Hearing Identifier: NRR_PMDA Email Number: 681   Mail Envelope Properties   (Blake.Purnell@nrc.gov20130502145300)


==Subject:==
==Subject:==
Dresden Relief Request No. I5R Request for Additional Information Sent Date:   5/2/2013 2:53:55 PM Received Date: 5/2/2013 2:53:00 PM From:   Purnell, Blake Created By:   Blake.Purnell@nrc.gov Recipients:     "ken.nicely@exeloncorp.com" <ken.nicely@exeloncorp.com> Tracking Status: None "Bowen, Jeremy" <Jeremy.Bowen@nrc.gov>
Dresden Relief Request No. I5R Request for Additional Information Sent Date:             5/2/2013 2:53:55 PM Received Date:         5/2/2013 2:53:00 PM From:                 Purnell, Blake Created By:           Blake.Purnell@nrc.gov Recipients:
Tracking Status: None "Mozafari, Brenda" <Brenda.Mozafari@nrc.gov> Tracking Status: None "Mitchel.Mathews@exeloncorp.com" <Mitchel.Mathews@exeloncorp.com> Tracking Status: None Post Office:     Files     Size     Date & Time MESSAGE   2287     5/2/2013 2:53:00 PM
"ken.nicely@exeloncorp.com" <ken.nicely@exeloncorp.com>
 
Tracking Status: None "Bowen, Jeremy" <Jeremy.Bowen@nrc.gov>
Options Priority:     Standard   Return Notification:   No   Reply Requested:   No   Sensitivity:     Normal Expiration Date:     Recipients Received:}}
Tracking Status: None "Mozafari, Brenda" <Brenda.Mozafari@nrc.gov>
Tracking Status: None "Mitchel.Mathews@exeloncorp.com" <Mitchel.Mathews@exeloncorp.com>
Tracking Status: None Post Office:
Files                           Size                   Date & Time MESSAGE                         2287                   5/2/2013 2:53:00 PM Options Priority:                       Standard Return Notification:           No Reply Requested:               No Sensitivity:                   Normal Expiration Date:
Recipients Received:}}

Latest revision as of 14:13, 5 December 2019

NRR E-mail Capture - Dresden Relief Request No. I5R-02 - Request for Additional Information
ML13123A085
Person / Time
Site: Dresden  Constellation icon.png
Issue date: 05/02/2013
From: Blake Purnell
Plant Licensing Branch III
To: Mathews M
Exelon Corp
References
TAC ME9684, TAC ME9685
Download: ML13123A085 (2)
v • d • e


Text

NRR-PMDAPEm Resource From: Purnell, Blake Sent: Thursday, May 02, 2013 2:54 PM To: Mitchel.Mathews@exeloncorp.com Cc: ken.nicely@exeloncorp.com; Bowen, Jeremy; Mozafari, Brenda

Subject:

Dresden Relief Request No. I5R Request for Additional Information OFFICE OF NUCLEAR REACTOR REGULATION REQUEST FOR ADDITIONAL INFORMATION DRESDEN NUCLEAR POWER STATION, UNITS 2 AND 3 EXELON GENERATION COMPANY, LLC RELIEF REQUEST NO. I5R-02 DOCKET NUMBERS 50-237 AND 50-249 TAC NOS. ME9684 AND ME9685 By letter to the U.S. Nuclear Regulatory Commission (NRC) dated September 28, 2012 (Agencywide Documents Access and management System (ADAMS) Accession No. ML12275A069), as supplemented by letter dated November 28, 2012 (ADAMS Accession No. ML12333A263), Exelon Generation Company, LLC (the licensee) submitted several proposed relief requests for the Dresden Nuclear Power Station, Units 2 and

3. The NRC staff determined that the following additional information is necessary to complete the review of relief request I5R-02. This request for additional information (RAI) is in addition to the RAI sent to you on April 9, 2013, and the associated RAI numbering is continued. To support the schedule for approval the response to this request is expected by June 3, 2013.

Based on the NRC staffs review of Relief Request I5R-02:

4. The description and disposition of the gap identified in Attachment 1 of relief request I5R-02 for supporting requirement DA-C12 does not address the requirements in the American Society of Mechanical Engineers (ASME)/American Nuclear Society (ANS) RA-Sa-2009, Addenda to ASME/ANS RA-S-2008: Standard for Level 1/Large Early Release Frequency Probabilistic Risk Assessment for Nuclear Power Plant Applications. Provide verification that a review was conducted that shows support system dependencies are properly captured as required by the standard. In addition, specify whether peer-review or self-assessment results indicate whether this supporting requirement is categorized as capability Category I or not-met. If categorized as not-met, provide the disposition that ascertains the supporting requirement is now capability Category I.

A copy of this email will be placed into ADAMS and made publicly available.

Sincerely, Blake Purnell, Project Manager Plant Licensing Branch III-2 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation U.S. Nuclear Regulatory Commission ph: 301-415-1380 1

Hearing Identifier: NRR_PMDA Email Number: 681 Mail Envelope Properties (Blake.Purnell@nrc.gov20130502145300)

Subject:

Dresden Relief Request No. I5R Request for Additional Information Sent Date: 5/2/2013 2:53:55 PM Received Date: 5/2/2013 2:53:00 PM From: Purnell, Blake Created By: Blake.Purnell@nrc.gov Recipients:

"ken.nicely@exeloncorp.com" <ken.nicely@exeloncorp.com>

Tracking Status: None "Bowen, Jeremy" <Jeremy.Bowen@nrc.gov>

Tracking Status: None "Mozafari, Brenda" <Brenda.Mozafari@nrc.gov>

Tracking Status: None "Mitchel.Mathews@exeloncorp.com" <Mitchel.Mathews@exeloncorp.com>

Tracking Status: None Post Office:

Files Size Date & Time MESSAGE 2287 5/2/2013 2:53:00 PM Options Priority: Standard Return Notification: No Reply Requested: No Sensitivity: Normal Expiration Date:

Recipients Received:

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