Letter Sequence Acceptance Review |
|---|
EPID:L-2020-LLA-0081, Enclosure 7 - LTR-SCS-19-50, Revision 0, D.C. Cook Unit 1 Low Temperature Overpressure Protection System (Ltops) Analysis for 48 EFPY, Dated March 5, 2020, Attachment 2 Only (Non-Proprietary) (Approved, Closed) |
|
MONTHYEARML20108E9992020-03-0505 March 2020
Enclosure 7 - LTR-SCS-19-50, Revision 0, D.C. Cook Unit 1 Low Temperature Overpressure Protection System (Ltops) Analysis for 48 EFPY, Dated March 5, 2020, Attachment 2 Only (Non-Proprietary)
Project stage: Request
ML20133J9662020-05-11011 May 2020
NRR E-mail Capture - D.C. Cook Nuclear Plant Unit No. 1 - Acceptance of License Amendment Regarding Changes to Reactor Vessel Heatup and Cooldown Curves and Low Temperature Overpressure Protection System Requirements
Project stage: Acceptance Review
ML20154J1482020-06-11011 June 2020
Request for Withholding Information from Public Disclosure
Project stage: Withholding Request Acceptance
ML20329A0012021-01-12012 January 2021
Issuance of Amendment No. 356 Regarding Updating the Reactor Coolant System Pressure-Temperature Limits
Project stage: Approval
2020-05-11
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Text
From: Wall, Scott Sent: Monday, May 11, 2020 5:08 PM To: Michael K. Scarpello Cc: Helen L Levendosky
Subject:
D.C. Cook Nuclear Plant Unit No. 1 - Acceptance of License Amendment Regarding Changes to Reactor Vessel Heatup and Cooldown Curves and Low Temperature Overpressure Protection System Requirements (EPID: L-2020-LLA-0081)
Dear Mr. Scarpello:
By letter dated April 7, 2020 (Agencywide Documents Access and Management System Accession No. ML20108E997), Indiana Michigan Power Company submitted a license amendment request for the Donald C. Cook Nuclear Plant, Unit No. 1, to revise the Reactor Coolant System heatup and cooldown curves and Low Temperature Overpressure Protection (LTOP) requirements in Technical Specification (TS) 3.4.3 and 3.4.12, respectively. The proposed changes to the LTOP requirements in TS 3.4.12 will also require changes to be made to TS 3.4.6, 3.4. 7, and 3.4.10.
The purpose of this e-mail is to provide the results of the U.S. Nuclear Regulatory Commission (NRC) staffs acceptance review of this amendment request. The acceptance review was performed to determine if there is sufficient technical information in scope and depth to allow the NRC staff to complete its detailed technical review. The acceptance review is also intended to identify whether the application has any readily apparent information insufficiencies in its characterization of the regulatory requirements or the licensing basis of the plant. Consistent with Section 50.90 of Title 10 of the Code of Federal Regulations (10 CFR), an amendment to the license (including the technical specifications) must fully describe the changes requested, and following as far as applicable, the form prescribed for original applications. Section 50.34 of 10 CFR addresses the content of technical information required. This section stipulates that the submittal address the design and operating characteristics, unusual or novel design features, and principal safety considerations.
The NRC staff has reviewed your application and concluded that it does provide technical information in sufficient detail to enable the NRC staff to complete its detailed technical review and make an independent assessment regarding the acceptability of the proposed exemption in terms of regulatory requirements and the protection of public health and safety and the environment. Given the lesser scope and depth of the acceptance review as compared to the detailed technical review, there may be instances in which issues that impact the NRC staffs ability to complete the detailed technical review are identified despite completion of an adequate acceptance review. If additional information is needed, you will be advised by separate correspondence.
Based on the information provided in your submittal, the NRC staff has estimated that this licensing request will take approximately 450 hours0.00521 days <br />0.125 hours <br />7.440476e-4 weeks <br />1.71225e-4 months <br /> to complete. The NRC staff expects to complete this review by February 2021. If there are emergent complexities or challenges in our review that would cause changes to the initial forecasted completion date or significant changes in the forecasted hours, the reasons for the changes, along with the new estimates, will be communicated during the routine interactions with the assigned project manager.
These estimates are based on the NRC staffs initial review of the application and they could change, due to several factors including requests for additional information, unanticipated addition of scope to the review, and review by NRC advisory committees or hearing-related activities.
If you have any questions, please contact me at (301) 415-2855 or e-mail at Scott.Wall@nrc.gov.
Scott P. Wall, LSS BB, BSP Senior Project Manager Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation 301.415.2855 Scott.Wall@nrc.gov
Hearing Identifier: NRR_DRMA Email Number: 579 Mail Envelope Properties (MN2PR09MB3374080ECF7E99AABEB3CAA992A10)
Subject:
D.C. Cook Nuclear Plant Unit No. 1 - Acceptance of License Amendment Regarding Changes to Reactor Vessel Heatup and Cooldown Curves and Low Temperature Overpressure Protection System Requirements (EPID: L-2020-LLA-0081)
Sent Date: 5/11/2020 5:07:59 PM Received Date: 5/11/2020 5:07:59 PM From: Wall, Scott Created By: Scott.Wall@nrc.gov Recipients:
"Helen L Levendosky" <hllevendosky@aep.com>
Tracking Status: None "Michael K. Scarpello" <mkscarpello@aep.com>
Tracking Status: None Post Office: MN2PR09MB3374.namprd09.prod.outlook.com Files Size Date & Time MESSAGE 3635 5/11/2020 5:07:59 PM Options Priority: Normal Return Notification: No Reply Requested: No Sensitivity: Normal Expiration Date:
