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| number = ML11307A142 | | number = ML11307A142 | ||
| issue date = 11/03/2010 | | issue date = 11/03/2010 | ||
| title = | | title = Lr - Section 2.4 Draft RAIs | ||
| author name = | | author name = | ||
| author affiliation = NRC/NRR | | author affiliation = NRC/NRR | ||
| Line 15: | Line 15: | ||
=Text= | =Text= | ||
{{#Wiki_filter: | {{#Wiki_filter:SeabrookNPEm Resource From: Plasse, Richard Sent: Wednesday, November 03, 2010 2:13 PM To: Cliche, Richard | ||
==Subject:== | ==Subject:== | ||
section 2.4 draft RAIs Attachments: | section 2.4 draft RAIs Attachments: ML103020009.pdf 1 | ||
ML103020009.pdf | |||
Hearing Identifier: | Hearing Identifier: Seabrook_License_Renewal_NonPublic Email Number: 2229 Mail Envelope Properties (Richard.Plasse@nrc.gov20101103141300) | ||
==Subject:== | ==Subject:== | ||
section 2.4 draft RAIs | section 2.4 draft RAIs Sent Date: 11/3/2010 2:13:22 PM Received Date: 11/3/2010 2:13:00 PM From: Plasse, Richard Created By: Richard.Plasse@nrc.gov Recipients: | ||
Tracking Status: None Post Office: | "Cliche, Richard" <Richard.Cliche@fpl.com> | ||
October 29, 2010 MEMORANDUM TO: | Tracking Status: None Post Office: | ||
Files Size Date & Time MESSAGE 3 11/3/2010 2:13:00 PM ML103020009.pdf 89902 Options Priority: Standard Return Notification: No Reply Requested: No Sensitivity: Normal Expiration Date: | |||
Recipients Received: | |||
October 29, 2010 MEMORANDUM TO: David J. Wrona, Branch Chief Projects Branch 2 Division of License Renewal Office of Nuclear Reactor Regulation FROM: Meena K. Khanna, Branch Chief /RA/ | |||
Mechanical and Civil Engineering Branch Division of Engineering Office of Nuclear Reactor Regulation | |||
==SUBJECT:== | ==SUBJECT:== | ||
REQUEST FOR ADDITIONAL INFORMATION RELATED TO SECTION 2.4, SCOPING AND SCREENING RESULTS: STRUCTURES FOR SEABROOK STATION UNIT 1, LICENSE RENEWAL APPLICATION (TAC NO. ME4028) | REQUEST FOR ADDITIONAL INFORMATION RELATED TO SECTION 2.4, SCOPING AND SCREENING RESULTS: | ||
The staff of the Mechanical and Civil Engineering Branch of the Division of Engineering has completed its review of Section 2.4, Scoping and Screening Results: Structures, of the Seabrook Station Unit 1, license renewal application (LRA). The staff has determined that additional information is needed to complete the review. The staffs request for additional information is provided in the enclosure. | STRUCTURES FOR SEABROOK STATION UNIT 1, LICENSE RENEWAL APPLICATION (TAC NO. ME4028) | ||
The staff of the Mechanical and Civil Engineering Branch of the Division of Engineering has completed its review of Section 2.4, Scoping and Screening Results: Structures, of the Seabrook Station Unit 1, license renewal application (LRA). The staff has determined that additional information is needed to complete the review. The staffs request for additional information is provided in the enclosure. | |||
Docket No: | Docket No: 50-443 | ||
==Enclosure:== | ==Enclosure:== | ||
CONTACTS: Juan Uribe, NRR/DE/EMCB | As stated CONTACTS: Juan Uribe, NRR/DE/EMCB (301) 415-3809 | ||
October 29, 2010 MEMORANDUM TO: | October 29, 2010 MEMORANDUM TO: David J. Wrona, Branch Chief Projects Branch 2 Division of License Renewal Office of Nuclear Reactor Regulation FROM: Meena K. Khanna, Branch Chief /RA/ | ||
Mechanical and Civil Engineering Branch Division of Engineering Office of Nuclear Reactor Regulation | |||
==SUBJECT:== | ==SUBJECT:== | ||
REQUEST FOR ADDITIONAL INFORMATION RELATED TO SECTION 2.4, SCOPING AND SCREENING RESULTS: STRUCTURES FOR SEABROOK STATION UNIT 1, LICENSE RENEWAL APPLICATION (TAC NO. ME4028) | REQUEST FOR ADDITIONAL INFORMATION RELATED TO SECTION 2.4, SCOPING AND SCREENING RESULTS: | ||
STRUCTURES FOR SEABROOK STATION UNIT 1, LICENSE RENEWAL APPLICATION (TAC NO. ME4028) | |||
The staff of the Mechanical and Civil Engineering Branch of the Division of Engineering has completed its review of Section 2.4, Scoping and Screening Results: Structures, of the Seabrook Station Unit 1, license renewal application (LRA). The staff has determined that additional information is needed to complete the review. The staffs request for additional information is provided in the enclosure. | The staff of the Mechanical and Civil Engineering Branch of the Division of Engineering has completed its review of Section 2.4, Scoping and Screening Results: Structures, of the Seabrook Station Unit 1, license renewal application (LRA). The staff has determined that additional information is needed to complete the review. The staffs request for additional information is provided in the enclosure. | ||
Docket No: 50-443 | Docket No: 50-443 | ||
==Enclosure:== | ==Enclosure:== | ||
DISTRIBUTION | As stated CONTACTS: Juan Uribe, NRR/DE/EMCB (301) 415-3809 DISTRIBUTION: | ||
EMCB R/F RidsNrrDeDlr RPlasse CRoquecruz ADAMS ACCESSION NO.: ML103020009 OFFICE NRR/DE/EMCB NRR/DE/EMCB NAME JUribe MKhanna DATE 10/29/10 10/ 29 /10 OFFICIAL RECORD COPY | |||
REQUEST FOR ADDITIONAL INFORMATION ON SECTION 2.4 SCOPING AND SCREEINING RESULTS: STRUCTURES SEABROOK STATION UNIT 1, LICENSE RENEWAL APPLICATION (LRA) | |||
(TAC NO. ME4028) | |||
RAI 2.4.1-1 Please clarify if there are any trash racks, basket strainers, traveling screens or any other debris prevention/removing mechanisms that are part of the Intake Transition Structure that would be required to be in scope of license renewal in accordance with 10 CFR 54.4. If so, also identify the applicable aging effects and the aging managing program (AMP) related to these components. | RAI 2.4.1-1 Please clarify if there are any trash racks, basket strainers, traveling screens or any other debris prevention/removing mechanisms that are part of the Intake Transition Structure that would be required to be in scope of license renewal in accordance with 10 CFR 54.4. If so, also identify the applicable aging effects and the aging managing program (AMP) related to these components. | ||
RAI 2.4.1-2 | RAI 2.4.1-2 Please confirm whether the following components credited for flood protection per UFSAR Section 3.4.1.1 would be required to be in scope of license renewal in accordance with 10 CFR 54.4. If so, also identify the applicable aging effects and the aging managing program (AMP) related to these following components: | ||
Please confirm whether the following components credited for flood protection per UFSAR Section 3.4.1.1 would be required to be in scope of license renewal in accordance with 10 CFR 54.4. If so, also identify the applicable aging effects and the aging managing program (AMP) related to these following components: | |||
* The rolling steel door in the Fuel Storage Building (located at elevation 20 feet 6 inches MSL), | * The rolling steel door in the Fuel Storage Building (located at elevation 20 feet 6 inches MSL), | ||
* The double doors into the entrance vestibule of the Equipment Vault section of the Primary Auxiliary Building (located at elevation 20 feet 8 inches MSL). | * The double doors into the entrance vestibule of the Equipment Vault section of the Primary Auxiliary Building (located at elevation 20 feet 8 inches MSL). | ||
RAI 2.4.1-3 LRA Section 2.4.1 states that only the foundations of the fire protection water storage tanks are included in the scope of LR and subject to an AMR. Please provide additional information on the structural configuration of the tanks and the foundations, specifically, if there is any steel framing attached to the tanks that would provide additional support consistent with 10 CFR 54.4(3). | RAI 2.4.1-3 LRA Section 2.4.1 states that only the foundations of the fire protection water storage tanks are included in the scope of LR and subject to an AMR. Please provide additional information on the structural configuration of the tanks and the foundations, specifically, if there is any steel framing attached to the tanks that would provide additional support consistent with 10 CFR 54.4(3). | ||
RAI 2.4.6-1 Please confirm the inclusion of the structural bellows in the scope of license renewal, as applicable, and subject to an aging management review (AMR) per 10 CFR 54.21 (a)(1)(i) and provide the location where they are covered. Otherwise, justify the exclusion from the scope of license renewal. | RAI 2.4.6-1 Please confirm the inclusion of the structural bellows in the scope of license renewal, as applicable, and subject to an aging management review (AMR) per 10 CFR 54.21 (a)(1)(i) and provide the location where they are covered. Otherwise, justify the exclusion from the scope of license renewal. | ||
RAI 2.4.6-2 | RAI 2.4.6-2 LRA Section 2.4.6 states that the BORAFLEX utilized in the region 2 racks is not credited with the neutron-absorbing capacity in the criticality analyses and therefore will not be managed for reduction of neutron-absorbing. However, UFSAR Section 9.1.2.1 states that the Region 2 spent fuel racks contain BORAFLEX as a neutron absorbing material to assure a Keff < 0.95.. | ||
Please clarify this discrepancy and confirm the inclusion or justify the exclusion of the BORAFLEX from the scope of LR and subject to an AMR. | |||
LRA Section 2.4.6 states that the BORAFLEX utilized in the region 2 racks is not credited with the neutron-absorbing capacity in the criticality analyses and therefore will not be managed for reduction of neutron-absorbing. However, UFSAR Section 9.1.2.1 states that the Region 2 spent fuel racks contain BORAFLEX as a neutron absorbing material to assure a Keff < 0.95.. Please clarify this discrepancy and confirm the inclusion or justify the exclusion of the BORAFLEX from the scope of LR and subject to an AMR.}} | ENCLOSURE}} | ||
Latest revision as of 01:48, 6 December 2019
| ML11307A142 | |
| Person / Time | |
|---|---|
| Site: | Seabrook  |
| Issue date: | 11/03/2010 |
| From: | Office of Nuclear Reactor Regulation |
| To: | |
| References | |
| Download: ML11307A142 (5) | |
Text
SeabrookNPEm Resource From: Plasse, Richard Sent: Wednesday, November 03, 2010 2:13 PM To: Cliche, Richard
Subject:
section 2.4 draft RAIs Attachments: ML103020009.pdf 1
Hearing Identifier: Seabrook_License_Renewal_NonPublic Email Number: 2229 Mail Envelope Properties (Richard.Plasse@nrc.gov20101103141300)
Subject:
section 2.4 draft RAIs Sent Date: 11/3/2010 2:13:22 PM Received Date: 11/3/2010 2:13:00 PM From: Plasse, Richard Created By: Richard.Plasse@nrc.gov Recipients:
"Cliche, Richard" <Richard.Cliche@fpl.com>
Tracking Status: None Post Office:
Files Size Date & Time MESSAGE 3 11/3/2010 2:13:00 PM ML103020009.pdf 89902 Options Priority: Standard Return Notification: No Reply Requested: No Sensitivity: Normal Expiration Date:
Recipients Received:
October 29, 2010 MEMORANDUM TO: David J. Wrona, Branch Chief Projects Branch 2 Division of License Renewal Office of Nuclear Reactor Regulation FROM: Meena K. Khanna, Branch Chief /RA/
Mechanical and Civil Engineering Branch Division of Engineering Office of Nuclear Reactor Regulation
SUBJECT:
REQUEST FOR ADDITIONAL INFORMATION RELATED TO SECTION 2.4, SCOPING AND SCREENING RESULTS:
STRUCTURES FOR SEABROOK STATION UNIT 1, LICENSE RENEWAL APPLICATION (TAC NO. ME4028)
The staff of the Mechanical and Civil Engineering Branch of the Division of Engineering has completed its review of Section 2.4, Scoping and Screening Results: Structures, of the Seabrook Station Unit 1, license renewal application (LRA). The staff has determined that additional information is needed to complete the review. The staffs request for additional information is provided in the enclosure.
Docket No: 50-443
Enclosure:
As stated CONTACTS: Juan Uribe, NRR/DE/EMCB (301) 415-3809
October 29, 2010 MEMORANDUM TO: David J. Wrona, Branch Chief Projects Branch 2 Division of License Renewal Office of Nuclear Reactor Regulation FROM: Meena K. Khanna, Branch Chief /RA/
Mechanical and Civil Engineering Branch Division of Engineering Office of Nuclear Reactor Regulation
SUBJECT:
REQUEST FOR ADDITIONAL INFORMATION RELATED TO SECTION 2.4, SCOPING AND SCREENING RESULTS:
STRUCTURES FOR SEABROOK STATION UNIT 1, LICENSE RENEWAL APPLICATION (TAC NO. ME4028)
The staff of the Mechanical and Civil Engineering Branch of the Division of Engineering has completed its review of Section 2.4, Scoping and Screening Results: Structures, of the Seabrook Station Unit 1, license renewal application (LRA). The staff has determined that additional information is needed to complete the review. The staffs request for additional information is provided in the enclosure.
Docket No: 50-443
Enclosure:
As stated CONTACTS: Juan Uribe, NRR/DE/EMCB (301) 415-3809 DISTRIBUTION:
EMCB R/F RidsNrrDeDlr RPlasse CRoquecruz ADAMS ACCESSION NO.: ML103020009 OFFICE NRR/DE/EMCB NRR/DE/EMCB NAME JUribe MKhanna DATE 10/29/10 10/ 29 /10 OFFICIAL RECORD COPY
REQUEST FOR ADDITIONAL INFORMATION ON SECTION 2.4 SCOPING AND SCREEINING RESULTS: STRUCTURES SEABROOK STATION UNIT 1, LICENSE RENEWAL APPLICATION (LRA)
RAI 2.4.1-1 Please clarify if there are any trash racks, basket strainers, traveling screens or any other debris prevention/removing mechanisms that are part of the Intake Transition Structure that would be required to be in scope of license renewal in accordance with 10 CFR 54.4. If so, also identify the applicable aging effects and the aging managing program (AMP) related to these components.
RAI 2.4.1-2 Please confirm whether the following components credited for flood protection per UFSAR Section 3.4.1.1 would be required to be in scope of license renewal in accordance with 10 CFR 54.4. If so, also identify the applicable aging effects and the aging managing program (AMP) related to these following components:
- The rolling steel door in the Fuel Storage Building (located at elevation 20 feet 6 inches MSL),
- The double doors into the entrance vestibule of the Equipment Vault section of the Primary Auxiliary Building (located at elevation 20 feet 8 inches MSL).
RAI 2.4.1-3 LRA Section 2.4.1 states that only the foundations of the fire protection water storage tanks are included in the scope of LR and subject to an AMR. Please provide additional information on the structural configuration of the tanks and the foundations, specifically, if there is any steel framing attached to the tanks that would provide additional support consistent with 10 CFR 54.4(3).
RAI 2.4.6-1 Please confirm the inclusion of the structural bellows in the scope of license renewal, as applicable, and subject to an aging management review (AMR) per 10 CFR 54.21 (a)(1)(i) and provide the location where they are covered. Otherwise, justify the exclusion from the scope of license renewal.
RAI 2.4.6-2 LRA Section 2.4.6 states that the BORAFLEX utilized in the region 2 racks is not credited with the neutron-absorbing capacity in the criticality analyses and therefore will not be managed for reduction of neutron-absorbing. However, UFSAR Section 9.1.2.1 states that the Region 2 spent fuel racks contain BORAFLEX as a neutron absorbing material to assure a Keff < 0.95..
Please clarify this discrepancy and confirm the inclusion or justify the exclusion of the BORAFLEX from the scope of LR and subject to an AMR.
ENCLOSURE