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Engineering Issues in Design Acceptance Criteria Presentation

Learn about the importance of Design Acceptance Criteria (DAC) in engineering, NRC policies on DAC use, and practical considerations for evolving technologies in design certification. Explore options to resolve DAC challenges. Stay informed and engaged.

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Engineering Issues in Design Acceptance Criteria Presentation

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  1. RIC 2009Engineering IssuesDesign Acceptance Criteria Laura Dudes Deputy Director, Division of Engineering NRO/DE March 11, 2009

  2. General Session Information • Badges and Identification – Please remember to visibly display name badges throughout the duration of the RIC. • Cell Phones and Pagers – At this time, please turn off or silence cell phones and pagers. • Presentation Materials – All provided electronic presentation materials will be posted on the U.S. NRC RIC website at www.nrc.gov, keyword: RIC. • Evaluations – Please provide us with your valuable input via the Session Evaluation Form or e-mail comments directly to RICHelpDesk@nrc.gov.

  3. Background • SECY 92-053 defined DAC as: • . . . “a set of prescribed limits, parameters, procedures and attributes upon which NRC relies, in a limited number of technical areas, in making a final safety determination to support a design certification.”

  4. Background (cont.) • SRM to SECY 92-053 provided NRC policy on use of DAC: - Will not complicate the design process - COL holder can meet prior to fuel load - Can be objectively verified - Limited to rapidly evolving technologies or design areas for which as-built/as-procured information is not available

  5. The Ideal… • DC applicant provides a complete and final design. NRC certifies. • COL applicant references the certified design and provides site specific information and operational programs. NRC licenses. • COL holder constructs the plant and completes ITAAC. NRC verifies.

  6. The Reality… • Rapidly changing technology would render some aspects of a design solution obsolete • Level of detail not possible to provide until selected components are procured • Enter - Design Acceptance Criteria

  7. Process Options • Option A: Resolve through an amendment to the original design certification • Option B: Resolve through a review of the Combined License application • Option C: Resolve through implementation of ITAAC

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