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| number = ML17038A515
| number = ML17038A515
| issue date = 02/03/2017
| issue date = 02/03/2017
| title = [External_Sender] Oyster Creek Nuclear Generating Station Response to Environmental Questions Regarding the Mitigating Strategies Final Integrated Plan and SPF Instrumentation Compliance Letter
| title = NRR E-mail Capture - (External_Sender) Oyster Creek Nuclear Generating Station Response to Environmental Questions Regarding the Mitigating Strategies Final Integrated Plan and SPF Instrumentation Compliance Letter
| author name = Dutes R
| author name = Dutes R
| author affiliation = Exelon Corp
| author affiliation = Exelon Corp
| addressee name = Hughey J D
| addressee name = Hughey J
| addressee affiliation = NRC/NRR/JLD
| addressee affiliation = NRC/NRR/JLD
| docket = 05000219
| docket = 05000219
Line 15: Line 15:


=Text=
=Text=
{{#Wiki_filter:1 NRR-PMDAPEm Resource From:Dutes, Rheiner:(GenCo-Nuc) <Rheiner.Dutes@exeloncorp.com>
{{#Wiki_filter:NRR-PMDAPEm Resource From:                               Dutes, Rheiner:(GenCo-Nuc) <Rheiner.Dutes@exeloncorp.com>
Sent: Friday, February 03, 2017 8:51 AM To: Hughey, John Cc: Distel, David J:(GenCo-Nuc); Lane, Michael David:(GenCo-Nuc); Ho, Wing:(GenCo-Nuc); Olszewski, David P:(GenCo-Nuc); Jimenez, Jeronimo:(GenCo-Nuc)
Sent:                               Friday, February 03, 2017 8:51 AM To:                                 Hughey, John Cc:                                 Distel, David J:(GenCo-Nuc); Lane, Michael David:(GenCo-Nuc); Ho, Wing:(GenCo-Nuc);
Olszewski, David P:(GenCo-Nuc); Jimenez, Jeronimo:(GenCo-Nuc)


==Subject:==
==Subject:==
[External_Sender] RE: Response to Oyster Creek FLEX FIP Request for Additional InformationCorrect. We agree with the NRC making the email string public as the body does not contain proprietary or sensitive information.  
[External_Sender] RE: Response to Oyster Creek FLEX FIP Request for Additional Information Correct. We agree with the NRC making the email string public as the body does not contain proprietary or sensitive information.
 
Thank you, Rheiner Dutes Sr. Regulatory Assurance Specialist Exelon Corp Oyster Creek Nuclear Generating Station Forked River, NJ 08731 (609) 971-4629 From: Hughey, John [mailto:John.Hughey@nrc.gov]
Thank you, Rheiner Dutes Sr. Regulatory A ssurance Specialist Exelon Corp Oyster Creek Nuclear Generating Station Forked River, NJ 08731 (609) 971-4629 From: Hughey, John [mailto:John.Hughey@nrc.gov] Sent: Friday, February 03, 2017 7:13 AM To: Dutes, Rheiner:(GenCo-Nuc)
Sent: Friday, February 03, 2017 7:13 AM To: Dutes, Rheiner:(GenCo-Nuc)
Cc: Distel, David J:(GenCo-Nuc); Lane, Michael David:(GenCo-Nuc); Ho, Wing:(GenCo-Nuc);
Cc: Distel, David J:(GenCo-Nuc); Lane, Michael David:(GenCo-Nuc); Ho, Wing:(GenCo-Nuc); Olszewski, David P:(GenCo-Nuc); Jimenez, Jeronimo:(GenCo-Nuc)
Olszewski, David P:(GenCo-Nuc); Jimenez, Jeronimo:(GenCo-Nuc)  


==Subject:==
==Subject:==
RE: Response to Oyster Creek FLEX FIP Request for Additional Information Rheiner, just to confirm, these e-mail responses contain no proprietary or sensitive information and Exelon is agreeable with the NRC making this e-mail string publicly available in ADAMS - correct?  
RE: Response to Oyster Creek FLEX FIP Request for Additional Information Rheiner, just to confirm, these e-mail responses contain no proprietary or sensitive information and Exelon is agreeable with the NRC making this e-mail string publicly available in ADAMS - correct?
 
John Hughey Mitigation Strategies & SFP Instrumentation Project Manager, NRR/JLD/JOMB US Nuclear Regulatory Commission Phone: (301) 415-3204 Office: O13-H08 e-mail: john.hughey@nrc.gov From: Dutes, Rheiner:(GenCo-Nuc) [mailto:Rheiner.Dutes@exeloncorp.com]
John Hughey Mitigation Strategies & SFP Instrumentation Project Manager, NRR/JLD/JOMB US Nuclear Regulatory Commission Phone: (301) 415-3204  
Sent: Thursday, February 02, 2017 3:46 PM To: Hughey, John <John.Hughey@nrc.gov>
 
Cc: Distel, David J:(GenCo-Nuc) <David.Distel@exeloncorp.com>; Lane, Michael David:(GenCo-Nuc)
Office: O13-H08  
<Michael.Lane@exeloncorp.com>; Ho, Wing:(GenCo-Nuc) <Wing.Ho@exeloncorp.com>; Olszewski, David P:(GenCo-Nuc) <David.Olszewski@exeloncorp.com>; Jimenez, Jeronimo:(GenCo-Nuc) <Jeronimo.Jimenez@exeloncorp.com>
 
e-mail: john.hughey@nrc.gov From: Dutes, Rheiner:(GenCo-Nuc) [mailto:Rheiner.Dutes@exeloncorp.com
]  Sent: Thursday, February 02, 2017 3:46 PM To: Hughey, John <John.Hughey@nrc.gov
> Cc: Distel, David J:(GenCo-Nuc) <David.Distel@exeloncorp.com>; Lane, Michael David:(GenCo-Nuc)  
<Michael.Lane@exeloncorp.com>; Ho, Wing:(GenCo-Nuc) <
Wing.Ho@exeloncorp.com
>; Olszewski, David P:(GenCo-Nuc) <David.Olszewski@exeloncorp.com>; Jimenez, Jeronimo:(GenCo-Nuc) <Jeronimo.Jimenez@exeloncorp.com
>  


==Subject:==
==Subject:==
[External_Sender] Response to Oyster Creek FLEX FIP Request for Additional Information John,  
[External_Sender] Response to Oyster Creek FLEX FIP Request for Additional Information
: John, 1


2 The following responses address the additional information requested from our FLEX FIP Acceptance phone call. The documents have been added to eDocs and are ready for your team's review.
The following responses address the additional information requested from our FLEX FIP Acceptance phone call. The documents have been added to eDocs and are ready for your teams review.
Let me know if you require any additional information to close out the items.  
Let me know if you require any additional information to close out the items.
Thank you, Rheiner Dutes Sr. Regulatory Assurance Specialist Exelon Corp Oyster Creek Nuclear Generating Station Forked River, NJ 08731 (609) 971-4629
: 1. Upload FLEX D/G phase rotation testing documentation to the eportal.
Response: The following documents have been uploaded to the eportal - Work Order C2035152 - Material Staging for FLEX Electrical Specifically page 2, the paragraph starting A06.
: 2. Ensure key electrical calcs are in the eportal (battery calcs, ventilation calcs, D/G sizing calcs, etc.).
Response: The following documents have been uploaded to the eportal - C-1302-735-E320-050, EXOC049-CALC-002, EXOC049-CALC-003, EXOC049- CALC-005, and A2386806-E05.
: 3. Confirm the Reference 63 (FLEX Hydraulic Analysis) in FIP Section 2.4.5 is correct. Should the reference be to the MAAP analysis?


Thank you, Rheiner Dutes Sr. Regulatory A ssurance Specialist Exelon Corp Oyster Creek Nuclear Generating Station Forked River, NJ 08731 (609) 971-4629
===Response===
: 1. Upload FLEX D/G phase rotation testing documentation to the eportal. Response: The following documents have been uploaded to the eportal - Work Order C2035152 - Material Staging for FLEX Electrical Specifically page 2, the paragraph starting A06.
Reference 63 (FLEX Hydraulic Analysis) in FIP Section 2.4.5 is incorrect. The reference should be to the MAAP analysis (Reference 54).
: 2. Ensure key electrical calcs are in the eportal (battery calcs, ventilation calcs, D/G sizing calcs, etc.). Response: The following documents have been uploaded to the eportal - C-1302-735-E320-050, EXOC049-CALC-002, EXOC049-CALC-003, EXOC049- CALC-005, and A2386806-E05.
: 4. Upload FSAR Section and containment design specification identifying the containment design limits.
: 3. Confirm the Reference 63 (FLEX Hydraulic Analysis) in FIP Section 2.4.5 is correct. Should the reference be to the MAAP analysis?
Response: The following documents have been uploaded to the eportal - Oyster Creek UFSAR Containment Design Basis and Oyster Creek UFSAR UFSAR Section 6.2.1.1.1 provides the design bases and identifies the design limits of the containment structure.
Response:
***
Reference 63 (FLEX Hydraulic Analysis) in FIP Section 2.4.5 is incorrect. The reference should be to the MAAP analysis (Reference 54).  
***  4. Upload FSAR Section and containment design specification identifying the containment design limits. Response: The following documents have been uploaded to the eportal - Oyster Creek UFSAR Containment Design Basis and Oyster Creek UFSAR ***
UFSAR Section 6.2.1.1.1 provides the design bases and identifies the design limits of the containment structure.
Pages containing UFSAR Section 6.2.1.1.1 have been uploaded to ePortal folder path: Exelon Fukushima/ Oyster Creek/ Oyster Creek FLEX FIP Reference Documents.
Pages containing UFSAR Section 6.2.1.1.1 have been uploaded to ePortal folder path: Exelon Fukushima/ Oyster Creek/ Oyster Creek FLEX FIP Reference Documents.
OYS Chapter 3 of the UFSAR is the complete section detailing the containment design. Specifically, pages 3.8-9 is the applicable section of the document that reference containment design limits.  
OYS Chapter 3 of the UFSAR is the complete section detailing the containment design. Specifically, pages 3.8-9 is the applicable section of the document that reference containment design limits.
***
: 5. Confirm FIP References 63 and 76 are in the eportal and upload if needed.
: 5. Confirm FIP References 63 and 76 are in the eportal and upload if needed. Response: The following documents have been uploaded to the eportal - Hydraulic Analysis for FLEX Implementation and Riser IC FP Return Diffusers. ***
Response: The following documents have been uploaded to the eportal - Hydraulic Analysis for FLEX Implementation and Riser IC FP Return Diffusers.
C-1302-917-E310-002, Hydraulic Analys is for FLEX Implementation ECR-OC-14-00025, Riser/IC/FP Return Diffusers ***
C-1302-917-E310-002, Hydraulic Analysis for FLEX Implementation ECR-OC-14-00025, Riser/IC/FP Return Diffusers 2
3 6. Upload ECR and design calc documents for FLEX manifold in the RB, identify ECR section reference specifying the seismic design criteria. Email ECR document and section reference. Email response describing the walkdown performed to verify no seismic interactions for manifold location in the RB.
: 6. Upload ECR and design calc documents for FLEX manifold in the RB, identify ECR section reference specifying the seismic design criteria. Email ECR document and section reference. Email response describing the walkdown performed to verify no seismic interactions for manifold location in the RB.
Response:  ***
The two FLEX manifolds, including hard pipe connecting them, were implemented under ECR 14-00025, Rev. 3. Calculation C-1302-917-E310-001, Rev. 1 evaluated the stresses of various components. From Sections 4.1.38 and 4.1.39 of Attachment 1 to the ECR, the manifolds, piping and associated supports have been designed to Seismic Category 1 criteria. Sheet 8 of the Calculation also indicates that the manifolds, piping and associated supports have been designed for seismic to ensure availability after a beyond-design-basis external event. EC Request 426620 documents the walkdowns and evaluation demonstrating that the FLEX manifolds and piping will not have adverse seismic interactions with adjacent components. Being that the manifolds and piping are seismically robust and are located in the Reactor Building, they are reasonably protected from all external hazards. .
ECR 14-00025, Rev. 3, Calculation C-1302-917-E310-001, Rev. 1, and EC Request 426620 have been uploaded to ePortal folder path: Exelon Fukushima/ Oyster Cr eek/ Oyster Creek FLEX FIP Reference Documents. ***  7. Provide email response describing logic for tornado missile protection for TB NW door pathway and upload NRC missile criteria report to eportal.  


Response: Add seismic robustness to previous response. *** Using the NRC-approved Oyster Creek missile information defined in LS05-82-08-069, NRC letter to Oyster Creek, SEP Topic III-4.A, Tornado Missiles, Oyster Creek Nuclear Generating Station, date 8/27/82 (uploaded to ePortal folder path: Exelon Fukushima/ Oyster Creek/ Oyster Creek FLEX FIP Reference Documents), EC Request 426629 documents the evaluation demonstrating that the FLEX equipment deployment pathway between the Turbine Building north-west door and the FLEX manifold on Reactor Building EL. 23'-6" is robust with regard to protection against tornado missiles. EC Request 426629 has been uploaded to ePortal folder path: Exelon Fukushima/ Oyster Creek/ Oyster Creek FLEX FIP Reference Documents.
===Response===
.
The two FLEX manifolds, including hard pipe connecting them, were implemented under ECR 14-00025, Rev. 3.
The Reactor Building and the Turbine Building have been qualified for seismic by the following calculations: Calculation BR 2299-02, Volume 33, Section 3, "Seismic Analysis of Reactor Building"; and Calculation BR 2299-02, Volume 33, Section 2, "Earthquake Analysis of Turbine Building". The earthquake design criteria used in these calculations are provided in Calculation BR 2299-02, Volume 33, Section 1, "Recommended Earthquake Design Criteria". These calculations have been uploaded to ePortal folder path: Exelon Fukushima/ Oyster Creek/ Oyster Creek FLEX FIP Reference Documents. *** 
Calculation C-1302-917-E310-001, Rev. 1 evaluated the stresses of various components. From Sections 4.1.38 and 4.1.39 of Attachment 1 to the ECR, the manifolds, piping and associated supports have been designed to Seismic Category 1 criteria. Sheet 8 of the Calculation also indicates that the manifolds, piping and associated supports have been designed for seismic to ensure availability after a beyond-design-basis external event. EC Request 426620 documents the walkdowns and evaluation demonstrating that the FLEX manifolds and piping will not have adverse seismic interactions with adjacent components. Being that the manifolds and piping are seismically robust and are located in the Reactor Building, they are reasonably protected from all external hazards.
ECR 14-00025, Rev. 3, Calculation C-1302-917-E310-001, Rev. 1, and EC Request 426620 have been uploaded to ePortal folder path: Exelon Fukushima/ Oyster Creek/ Oyster Creek FLEX FIP Reference Documents.
: 7. Provide email response describing logic for tornado missile protection for TB NW door pathway and upload NRC missile criteria report to eportal.
Response: Add seismic robustness to previous response.
Using the NRC-approved Oyster Creek missile information defined in LS05-82-08-069, NRC letter to Oyster Creek, SEP Topic III-4.A, Tornado Missiles, Oyster Creek Nuclear Generating Station, date 8/27/82 (uploaded to ePortal folder path:
Exelon Fukushima/ Oyster Creek/ Oyster Creek FLEX FIP Reference Documents), EC Request 426629 documents the evaluation demonstrating that the FLEX equipment deployment pathway between the Turbine Building north-west door and the FLEX manifold on Reactor Building EL. 23-6 is robust with regard to protection against tornado missiles. EC Request 426629 has been uploaded to ePortal folder path: Exelon Fukushima/ Oyster Creek/ Oyster Creek FLEX FIP Reference Documents.
The Reactor Building and the Turbine Building have been qualified for seismic by the following calculations: Calculation BR 2299-02, Volume 33, Section 3, Seismic Analysis of Reactor Building; and Calculation BR 2299-02, Volume 33, Section 2, Earthquake Analysis of Turbine Building. The earthquake design criteria used in these calculations are provided in Calculation BR 2299-02, Volume 33, Section 1, Recommended Earthquake Design Criteria. These calculations have been uploaded to ePortal folder path: Exelon Fukushima/ Oyster Creek/ Oyster Creek FLEX FIP Reference Documents.
: 8. The NRC staff requests additional information or an assessment of potential susceptibilities of Electromagnetic Interference/Radio Frequency Interference (EMI/RFI) in the areas where the SFP level instrument is located and a description of how those susceptibilities will be mitigated. As a result of the NRC staff's evaluation of the EMC testing results, the staff identified a generic open item applicable to all licensees using this technology to identify any additional measures, site-specific installation instructions or position taken to address the potential effect of an EMC event on the SFPI equipment.
: 8. The NRC staff requests additional information or an assessment of potential susceptibilities of Electromagnetic Interference/Radio Frequency Interference (EMI/RFI) in the areas where the SFP level instrument is located and a description of how those susceptibilities will be mitigated. As a result of the NRC staff's evaluation of the EMC testing results, the staff identified a generic open item applicable to all licensees using this technology to identify any additional measures, site-specific installation instructions or position taken to address the potential effect of an EMC event on the SFPI equipment.
Response: C2035047 SFPLI EMI/RFI has been added to eDocs.
Response: C2035047 SFPLI EMI/RFI has been added to eDocs. Cover page show complete Work Order. Refer to steps 4.8 and 6.9 or the Mod Acceptance Test for the Primary and Secondary Instruments.
Cover page show complete Work Order. Refer to steps 4.8 and 6.9 or the Mod Acceptance Test for the Primary and Secondary Instruments.  
3
 
This Email message and any attachment may contain information that is proprietary, legally privileged, confidential and/or subject to copyright belonging to Exelon Corporation or its affiliates ("Exelon"). This Email is intended solely for the use of the person(s) to which it is addressed. If you are not an intended recipient, or the employee or agent responsible for delivery of this Email to the intended recipient(s), you are hereby notified that any dissemination, distribution or copying of this Email is strictly prohibited. If you have received this message in error, please immediately notify the sender and permanently delete this Email and any copies.
Exelon policies expressly prohibit employees from making defamatory or offensive statements and infringing any copyright or any other legal right by Email communication. Exelon will not accept any liability in respect of such communications. -EXCIP 4


4This Email message and any attachment may contain information that is proprietary, legally privileged, confidential and/or subject to copyright belonging to Exelon Corporation or its affiliates ("Exelon"). This Email is intended solely for the use of the person(s) to which it is addressed. If you are not an intended recipient, or the employee or agent responsible for delivery of this Ema il to the intended recipien t(s), you are hereby notified that any dissemination, distribution or copying of this Email is strictly prohibited. If you have received this message in error, please immediately notify the sender and permanently delete th is Email and any copies.
Hearing Identifier:     NRR_PMDA Email Number:           3328 Mail Envelope Properties     (0B43738CEA70584E935BAC1ED33400C186D28CCB)
Exelon policies expressly prohibit employees from making defamatory or offensive statements and infringing any copyright or any other legal right by Email communication. Exelon will not accept any liability in respect of such communications. -EXCIP Hearing Identifier: NRR_PMDA Email Number: 3328   Mail Envelope Properties   (0B43738CEA70584E935BAC1ED33400C186D28CCB)


==Subject:==
==Subject:==
  [External_Sender] RE: Response to Oyster Creek FLEX FIP Request for Additional Information Sent Date:   2/3/2017 8:50:52 AM Received Date: 2/3/2017 8:50:56 AM From:   Dutes, Rheiner:(GenCo-Nuc)
[External_Sender] RE: Response to Oyster Creek FLEX FIP Request for Additional Information Sent Date:             2/3/2017 8:50:52 AM Received Date:         2/3/2017 8:50:56 AM From:                   Dutes, Rheiner:(GenCo-Nuc)
Created By:   Rheiner.Dutes@exeloncorp.com Recipients:     "Distel, David J:(GenCo-Nuc)" <David.Distel@exeloncorp.com> Tracking Status: None "Lane, Michael David:(GenCo-Nuc)" <Michael.Lane@exeloncorp.com> Tracking Status: None "Ho, Wing:(GenCo-Nuc)" <Wing.Ho@exeloncorp.com>
Created By:             Rheiner.Dutes@exeloncorp.com Recipients:
Tracking Status: None "Olszewski, David P:(GenCo-Nuc)" <David.Olszewski@exeloncorp.com> Tracking Status: None "Jimenez, Jeronimo:(GenCo-Nuc)" <Jeronimo.Jimenez@exeloncorp.com> Tracking Status: None "Hughey, John" <John.Hughey@nrc.gov>
"Distel, David J:(GenCo-Nuc)" <David.Distel@exeloncorp.com>
Tracking Status: None Post Office:   exchm-omf-23.exelonds.com
Tracking Status: None "Lane, Michael David:(GenCo-Nuc)" <Michael.Lane@exeloncorp.com>
 
Tracking Status: None "Ho, Wing:(GenCo-Nuc)" <Wing.Ho@exeloncorp.com>
Files     Size     Date & Time MESSAGE   8937     2/3/2017 8:50:56 AM
Tracking Status: None "Olszewski, David P:(GenCo-Nuc)" <David.Olszewski@exeloncorp.com>
 
Tracking Status: None "Jimenez, Jeronimo:(GenCo-Nuc)" <Jeronimo.Jimenez@exeloncorp.com>
Options Priority:     Standard   Return Notification:   No   Reply Requested:   No   Sensitivity:     Normal Expiration Date:     Recipients Received:}}
Tracking Status: None "Hughey, John" <John.Hughey@nrc.gov>
Tracking Status: None Post Office:           exchm-omf-23.exelonds.com Files                           Size                   Date & Time MESSAGE                         8937                   2/3/2017 8:50:56 AM Options Priority:                       Standard Return Notification:           No Reply Requested:               No Sensitivity:                   Normal Expiration Date:
Recipients Received:}}

Latest revision as of 20:49, 4 February 2020

NRR E-mail Capture - (External_Sender) Oyster Creek Nuclear Generating Station Response to Environmental Questions Regarding the Mitigating Strategies Final Integrated Plan and SPF Instrumentation Compliance Letter
ML17038A515
Person / Time
Site: Oyster Creek
Issue date: 02/03/2017
From: Dutes R
Exelon Corp
To: John Hughey
Japan Lessons-Learned Division
References
Download: ML17038A515 (5)
v • d • e


Text

NRR-PMDAPEm Resource From: Dutes, Rheiner:(GenCo-Nuc) <Rheiner.Dutes@exeloncorp.com>

Sent: Friday, February 03, 2017 8:51 AM To: Hughey, John Cc: Distel, David J:(GenCo-Nuc); Lane, Michael David:(GenCo-Nuc); Ho, Wing:(GenCo-Nuc);

Olszewski, David P:(GenCo-Nuc); Jimenez, Jeronimo:(GenCo-Nuc)

Subject:

[External_Sender] RE: Response to Oyster Creek FLEX FIP Request for Additional Information Correct. We agree with the NRC making the email string public as the body does not contain proprietary or sensitive information.

Thank you, Rheiner Dutes Sr. Regulatory Assurance Specialist Exelon Corp Oyster Creek Nuclear Generating Station Forked River, NJ 08731 (609) 971-4629 From: Hughey, John [1]

Sent: Friday, February 03, 2017 7:13 AM To: Dutes, Rheiner:(GenCo-Nuc)

Cc: Distel, David J:(GenCo-Nuc); Lane, Michael David:(GenCo-Nuc); Ho, Wing:(GenCo-Nuc); Olszewski, David P:(GenCo-Nuc); Jimenez, Jeronimo:(GenCo-Nuc)

Subject:

RE: Response to Oyster Creek FLEX FIP Request for Additional Information Rheiner, just to confirm, these e-mail responses contain no proprietary or sensitive information and Exelon is agreeable with the NRC making this e-mail string publicly available in ADAMS - correct?

John Hughey Mitigation Strategies & SFP Instrumentation Project Manager, NRR/JLD/JOMB US Nuclear Regulatory Commission Phone: (301) 415-3204 Office: O13-H08 e-mail: john.hughey@nrc.gov From: Dutes, Rheiner:(GenCo-Nuc) [2]

Sent: Thursday, February 02, 2017 3:46 PM To: Hughey, John <John.Hughey@nrc.gov>

Cc: Distel, David J:(GenCo-Nuc) <David.Distel@exeloncorp.com>; Lane, Michael David:(GenCo-Nuc)

<Michael.Lane@exeloncorp.com>; Ho, Wing:(GenCo-Nuc) <Wing.Ho@exeloncorp.com>; Olszewski, David P:(GenCo-Nuc) <David.Olszewski@exeloncorp.com>; Jimenez, Jeronimo:(GenCo-Nuc) <Jeronimo.Jimenez@exeloncorp.com>

Subject:

[External_Sender] Response to Oyster Creek FLEX FIP Request for Additional Information

John, 1

The following responses address the additional information requested from our FLEX FIP Acceptance phone call. The documents have been added to eDocs and are ready for your teams review.

Let me know if you require any additional information to close out the items.

Thank you, Rheiner Dutes Sr. Regulatory Assurance Specialist Exelon Corp Oyster Creek Nuclear Generating Station Forked River, NJ 08731 (609) 971-4629

1. Upload FLEX D/G phase rotation testing documentation to the eportal.

Response: The following documents have been uploaded to the eportal - Work Order C2035152 - Material Staging for FLEX Electrical Specifically page 2, the paragraph starting A06.

2. Ensure key electrical calcs are in the eportal (battery calcs, ventilation calcs, D/G sizing calcs, etc.).

Response: The following documents have been uploaded to the eportal - C-1302-735-E320-050, EXOC049-CALC-002, EXOC049-CALC-003, EXOC049- CALC-005, and A2386806-E05.

3. Confirm the Reference 63 (FLEX Hydraulic Analysis) in FIP Section 2.4.5 is correct. Should the reference be to the MAAP analysis?

Response

Reference 63 (FLEX Hydraulic Analysis) in FIP Section 2.4.5 is incorrect. The reference should be to the MAAP analysis (Reference 54).

4. Upload FSAR Section and containment design specification identifying the containment design limits.

Response: The following documents have been uploaded to the eportal - Oyster Creek UFSAR Containment Design Basis and Oyster Creek UFSAR UFSAR Section 6.2.1.1.1 provides the design bases and identifies the design limits of the containment structure.

Pages containing UFSAR Section 6.2.1.1.1 have been uploaded to ePortal folder path: Exelon Fukushima/ Oyster Creek/ Oyster Creek FLEX FIP Reference Documents.

OYS Chapter 3 of the UFSAR is the complete section detailing the containment design. Specifically, pages 3.8-9 is the applicable section of the document that reference containment design limits.

5. Confirm FIP References 63 and 76 are in the eportal and upload if needed.

Response: The following documents have been uploaded to the eportal - Hydraulic Analysis for FLEX Implementation and Riser IC FP Return Diffusers.

C-1302-917-E310-002, Hydraulic Analysis for FLEX Implementation ECR-OC-14-00025, Riser/IC/FP Return Diffusers 2

6. Upload ECR and design calc documents for FLEX manifold in the RB, identify ECR section reference specifying the seismic design criteria. Email ECR document and section reference. Email response describing the walkdown performed to verify no seismic interactions for manifold location in the RB.

Response

The two FLEX manifolds, including hard pipe connecting them, were implemented under ECR 14-00025, Rev. 3.

Calculation C-1302-917-E310-001, Rev. 1 evaluated the stresses of various components. From Sections 4.1.38 and 4.1.39 of Attachment 1 to the ECR, the manifolds, piping and associated supports have been designed to Seismic Category 1 criteria. Sheet 8 of the Calculation also indicates that the manifolds, piping and associated supports have been designed for seismic to ensure availability after a beyond-design-basis external event. EC Request 426620 documents the walkdowns and evaluation demonstrating that the FLEX manifolds and piping will not have adverse seismic interactions with adjacent components. Being that the manifolds and piping are seismically robust and are located in the Reactor Building, they are reasonably protected from all external hazards.

ECR 14-00025, Rev. 3, Calculation C-1302-917-E310-001, Rev. 1, and EC Request 426620 have been uploaded to ePortal folder path: Exelon Fukushima/ Oyster Creek/ Oyster Creek FLEX FIP Reference Documents.

7. Provide email response describing logic for tornado missile protection for TB NW door pathway and upload NRC missile criteria report to eportal.

Response: Add seismic robustness to previous response.

Using the NRC-approved Oyster Creek missile information defined in LS05-82-08-069, NRC letter to Oyster Creek, SEP Topic III-4.A, Tornado Missiles, Oyster Creek Nuclear Generating Station, date 8/27/82 (uploaded to ePortal folder path:

Exelon Fukushima/ Oyster Creek/ Oyster Creek FLEX FIP Reference Documents), EC Request 426629 documents the evaluation demonstrating that the FLEX equipment deployment pathway between the Turbine Building north-west door and the FLEX manifold on Reactor Building EL. 23-6 is robust with regard to protection against tornado missiles. EC Request 426629 has been uploaded to ePortal folder path: Exelon Fukushima/ Oyster Creek/ Oyster Creek FLEX FIP Reference Documents.

The Reactor Building and the Turbine Building have been qualified for seismic by the following calculations: Calculation BR 2299-02, Volume 33, Section 3, Seismic Analysis of Reactor Building; and Calculation BR 2299-02, Volume 33, Section 2, Earthquake Analysis of Turbine Building. The earthquake design criteria used in these calculations are provided in Calculation BR 2299-02, Volume 33, Section 1, Recommended Earthquake Design Criteria. These calculations have been uploaded to ePortal folder path: Exelon Fukushima/ Oyster Creek/ Oyster Creek FLEX FIP Reference Documents.

8. The NRC staff requests additional information or an assessment of potential susceptibilities of Electromagnetic Interference/Radio Frequency Interference (EMI/RFI) in the areas where the SFP level instrument is located and a description of how those susceptibilities will be mitigated. As a result of the NRC staff's evaluation of the EMC testing results, the staff identified a generic open item applicable to all licensees using this technology to identify any additional measures, site-specific installation instructions or position taken to address the potential effect of an EMC event on the SFPI equipment.

Response: C2035047 SFPLI EMI/RFI has been added to eDocs. Cover page show complete Work Order. Refer to steps 4.8 and 6.9 or the Mod Acceptance Test for the Primary and Secondary Instruments.

3

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[External_Sender] RE: Response to Oyster Creek FLEX FIP Request for Additional Information Sent Date: 2/3/2017 8:50:52 AM Received Date: 2/3/2017 8:50:56 AM From: Dutes, Rheiner:(GenCo-Nuc)

Created By: Rheiner.Dutes@exeloncorp.com Recipients:

"Distel, David J:(GenCo-Nuc)" <David.Distel@exeloncorp.com>

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Tracking Status: None "Olszewski, David P:(GenCo-Nuc)" <David.Olszewski@exeloncorp.com>

Tracking Status: None "Jimenez, Jeronimo:(GenCo-Nuc)" <Jeronimo.Jimenez@exeloncorp.com>

Tracking Status: None "Hughey, John" <John.Hughey@nrc.gov>

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