Letter Sequence Acceptance Review |
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Category:E-Mail
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Text
NRR-PMDAPEm Resource From: Mahoney, Michael Sent: Wednesday, December 21, 2016 9:14 AM To: 'Murphy, George M' Cc: 'Vu, Phong T'
Subject:
MCGUIRE NUCLEAR STATION, UNITS 1 AND 2 - ACCEPTANCE REVIEW OF RELIEF REQUEST RE: PRESSURIZER POWER OPERATED RELIEF VALVE (PORV) BLOCK VALVE 2NC-31B INSERVICE TESTING (CAC NO. MF8909)
- George, By letter dated December 1, 2016 (Agencywide Documents Access and Management System (ADAMS)
Accession No. ML16349A620), Duke Energy Carolinas, LLC (Duke Energy) submitted a relief request (RR) for the McGuire Nuclear Station, Unit 2. The proposed relief request proposes alternate testing for pressurizer power operated relief valve (PORV) block valve 2NC-31B.
The purpose of this e-mail is to provide the results of the U.S. Nuclear Regulatory Commission (NRC) staffs acceptance review of this RR. 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.
Pursuant to Sections 50.55a(z)(1) and 50.55a(z)(2) of Title 10 of the Code of Federal Regulations (10 CFR),
the applicant shall demonstrate that the proposed alternatives would provide an acceptable level of quality and safety, or that compliance with the specified requirements of Section 50.55a would result in hardship or unusual difficulty without a compensating increase in the level of quality or safety.
Based on the information provided in your submittal, the NRC staff has estimated that this licensing request will take approximately 90 hours3.75 days <br />0.536 weeks <br />0.123 months <br /> to complete. The NRC staff expects to complete this review in approximately 2 months, which is February 2017. 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, and unanticipated addition of scope to the review.
Additional delay may occur if the submittal is provided to the NRC in advance or in parallel with industry program initiatives or pilot applications.
The NRC staff review of your application concluded that there was sufficient information to begin the detailed technical review.
If you have any questions, please contact me.
Thanks Mike Michael Mahoney McGuire and Catawba Project Manager, Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation U. S. Nuclear Regulatory Commission 1
Desk: (301)-415-3867 Email: Michael.Mahoney@NRC.GOV 2
Hearing Identifier: NRR_PMDA Email Number: 3223 Mail Envelope Properties (9a02600795584191a2f6275e9cd85a76)
Subject:
MCGUIRE NUCLEAR STATION, UNITS 1 AND 2 - ACCEPTANCE REVIEW OF RELIEF REQUEST RE: PRESSURIZER POWER OPERATED RELIEF VALVE (PORV) BLOCK VALVE 2NC-31B INSERVICE TESTING (CAC NO. MF8909)
Sent Date: 12/21/2016 9:13:33 AM Received Date: 12/21/2016 9:13:35 AM From: Mahoney, Michael Created By: Michael.Mahoney@nrc.gov Recipients:
"'Vu, Phong T'" <Phong.Vu@duke-energy.com>
Tracking Status: None
"'Murphy, George M'" <George.Murphy2@duke-energy.com>
Tracking Status: None Post Office: HQPWMSMRS08.nrc.gov Files Size Date & Time MESSAGE 2726 12/21/2016 9:13:35 AM Options Priority: Standard Return Notification: No Reply Requested: No Sensitivity: Normal Expiration Date:
Recipients Received: