Licensing Guidance Frameworks - Revision history

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2026-07-30T00:10:12Z

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 ==Guidance==
 In the US, NRC Reg Guide [https://www.nrc.gov/docs/ML2009/ML20091L698.pdf 1.233] [[References|[9]]] provides guidance to applicants who are seeking licenses to operate advanced non-light water reactor (not water cooled) nuclear power plants and Reg Guide [https://www.nrc.gov/docs/ML1732/ML17325A611.pdf 1.232] [[References|[12]]] provides guidance on the licensing of non-LWRs from Appendix A of Title 10 Part 50 CFR. Although 10 CFR 50 Appendix A provides some guidance in establishing principal design criteria (PDC) for non-LWR (not water cooled) designs, it is the applicant’s responsibility to develop the PDC for its facility based on its design, using generic design criteria, non-LWR (not water cooled) design criteria, or other design criteria as the foundation. Similar to Reg Guide 1.232, [https://www.nrc.gov/docs/ML1435/ML14353A246.pdf INL/EXT-14-31179] [[References|[21]]] describes design guidance related to advanced non-light water reactors (not water cooled).
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2025-01-24T18:23:31Z

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Admin at 18:16, 24 January 2025

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2025-01-17T21:42:05Z

Guidance

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	==Guidance==		==Guidance==
	In the US, NRC Reg Guide [https://www.nrc.gov/docs/ML2009/ML20091L698.pdf 1.233] [[References\|[9]]] provides guidance to applicants who are seeking licenses to operate advanced non-light water reactor nuclear power plants and Reg Guide [https://www.nrc.gov/docs/ML1732/ML17325A611.pdf 1.232] [[References\|[12]]] provides guidance on the licensing of non-LWRs from Appendix A of Title 10 Part 50 CFR. Although 10 CFR 50 Appendix A provides some guidance in establishing principal design criteria (PDC) for non-LWR designs, it is the applicant’s responsibility to develop the PDC for its facility based on its design, using generic design criteria, non-LWR design criteria, or other design criteria as the foundation. Similar to Reg Guide 1.232, [https://www.nrc.gov/docs/ML1435/ML14353A246.pdf INL/EXT-14-31179] [[References\|[21]]] describes design guidance related to advanced non-light water reactors.		In the US, NRC Reg Guide [https://www.nrc.gov/docs/ML2009/ML20091L698.pdf 1.233] [[References\|[9]]] provides guidance to applicants who are seeking licenses to operate advanced non-light water reactor (not water cooled) nuclear power plants and Reg Guide [https://www.nrc.gov/docs/ML1732/ML17325A611.pdf 1.232] [[References\|[12]]] provides guidance on the licensing of non-LWRs from Appendix A of Title 10 Part 50 CFR. Although 10 CFR 50 Appendix A provides some guidance in establishing principal design criteria (PDC) for non-LWR (not water cooled) designs, it is the applicant’s responsibility to develop the PDC for its facility based on its design, using generic design criteria, non-LWR (not water cooled) design criteria, or other design criteria as the foundation. Similar to Reg Guide 1.232, [https://www.nrc.gov/docs/ML1435/ML14353A246.pdf INL/EXT-14-31179] [[References\|[21]]] describes design guidance related to advanced non-light water reactors (not water cooled).
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2025-01-17T21:40:09Z

Scope

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	==Scope==		==Scope==
	The NRC has developed several Reg Guides that apply to the adaptation of the Code of Federal Regulations (CFR) 10 Part 50 and 52 for the licensing of non-LWR designs. Additionally, 10 CFR part 53 is currently under development for how it applies to advanced reactor licensing. Please visit the [https://www.nrc.gov/reading-rm/doc-collections/cfr/index.html NRC Regulations Title 10] homepage for the full directory of title 10 regulations.		The NRC has developed several Reg Guides that apply to the adaptation of the Code of Federal Regulations (CFR) 10 Part 50 and 52 for the licensing of non-LWR (not water cooled) designs. Additionally, 10 CFR part 53 is currently under development for how it applies to advanced reactor licensing. Please visit the [https://www.nrc.gov/reading-rm/doc-collections/cfr/index.html NRC Regulations Title 10] homepage for the full directory of title 10 regulations.

	==Guidance==		==Guidance==

Admin: /* Guidance */

2024-07-10T15:56:06Z

Guidance

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	In current practice, advanced reactor vendors develop a generic design phase PRA or a reference plant PRA. A Level 1 PRA or both Level 1 and Level 2 PRAs may be requested by the applicable regulatory authority for each new reactor project. A Level 3 PRA is typically not developed or requested by the regulatory authorities for new reactors. However, a Level 3 PRA could support the definition of [https://www.oecd-nea.org/upload/docs/application/pdf/2021-02/csni-r2012-17.pdf ~~exclusion~~ zones] [[References\|[25]]]. In the US, the Licensing Modernization Project (LMP) has developed a methodology that uses standard safety analyses like Process Hazards Analysis (PHA) and PRA to support various safety applications during the design and development process, including evaluating design alternatives, selecting Licensing Basis Events (LBEs), classifying structures, systems, and components (SSCs), and assessing the adequacy of defense-in-depth.		In current practice, advanced reactor vendors develop a generic design phase PRA or a reference plant PRA. A Level 1 PRA or both Level 1 and Level 2 PRAs may be requested by the applicable regulatory authority for each new reactor project. A Level 3 PRA is typically not developed or requested by the regulatory authorities for new reactors. However, a Level 3 PRA could support the definition of [https://www.oecd-nea.org/upload/docs/application/pdf/2021-02/csni-r2012-17.pdf emergency zones] [[References\|[25]]]. In the US, the Licensing Modernization Project (LMP) has developed a methodology that uses standard safety analyses like Process Hazards Analysis (PHA) and PRA to support various safety applications during the design and development process, including evaluating design alternatives, selecting Licensing Basis Events (LBEs), classifying structures, systems, and components (SSCs), and assessing the adequacy of defense-in-depth.

Admin: /* Guidance */

2024-07-10T15:53:41Z

Guidance

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	==Guidance==		==Guidance==
	In the US, NRC Reg Guide [https://www.nrc.gov/docs/ML2009/ML20091L698.pdf 1.233] [[References\|[9]]] provides guidance to applicants who are seeking licenses to operate advanced non-light water reactor nuclear power plants and Reg Guide [https://www.nrc.gov/docs/ML1732/ML17325A611.pdf 1.232] [[References\|[12]]] provides guidance on the licensing of non-LWRs from Appendix A of Title 10 Part 50 CFR. Although 10 CFR 50 Appendix A provides some guidance in establishing principal design criteria (PDC) for non-LWR designs, it is the applicant’s responsibility to develop the PDC for its facility based on its design, using generic design criteria, non-LWR design criteria, or other design criteria as the foundation. Similar to Reg Guide 1.232, [https://www.nrc.gov/docs/ML1435/ML14353A246.pdf INL/EXT-14-31179] [[References\|[12]]] describes design guidance related to advanced non-light water reactors.		In the US, NRC Reg Guide [https://www.nrc.gov/docs/ML2009/ML20091L698.pdf 1.233] [[References\|[9]]] provides guidance to applicants who are seeking licenses to operate advanced non-light water reactor nuclear power plants and Reg Guide [https://www.nrc.gov/docs/ML1732/ML17325A611.pdf 1.232] [[References\|[12]]] provides guidance on the licensing of non-LWRs from Appendix A of Title 10 Part 50 CFR. Although 10 CFR 50 Appendix A provides some guidance in establishing principal design criteria (PDC) for non-LWR designs, it is the applicant’s responsibility to develop the PDC for its facility based on its design, using generic design criteria, non-LWR design criteria, or other design criteria as the foundation. Similar to Reg Guide 1.232, [https://www.nrc.gov/docs/ML1435/ML14353A246.pdf INL/EXT-14-31179] [[References\|[21]]] describes design guidance related to advanced non-light water reactors.
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Admin: /* Scope */

2024-07-10T15:53:22Z

Scope

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	==Scope==		==Scope==
	The NRC has developed several Reg Guides that apply to the adaptation of the Code of Federal Regulations (CFR) 10 Part 50 and 52 for the licensing of non-LWR designs. Additionally, 10 CFR part 54 is currently under development for how it applies to advanced reactor licensing. Please visit the [https://www.nrc.gov/reading-rm/doc-collections/cfr/index.html NRC Regulations Title 10] homepage for the full directory of title 10 regulations.		The NRC has developed several Reg Guides that apply to the adaptation of the Code of Federal Regulations (CFR) 10 Part 50 and 52 for the licensing of non-LWR designs. Additionally, 10 CFR part 53 is currently under development for how it applies to advanced reactor licensing. Please visit the [https://www.nrc.gov/reading-rm/doc-collections/cfr/index.html NRC Regulations Title 10] homepage for the full directory of title 10 regulations.

	==Guidance==		==Guidance==

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2024-07-09T18:45:32Z

Guidance

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	TECDOC-1570 also proposes a new safety approach for ~~ARs~~ based on the review of existing pillars to include any consideration of new technologies and incorporation of probabilistic considerations. In particular, the Safety Goals are identified in terms of consequences as a function of likelihood of occurrence.		TECDOC-1570 also proposes a new safety approach for advanced reactors based on the review of existing pillars to include any consideration of new technologies and incorporation of probabilistic considerations. In particular, the Safety Goals are identified in terms of consequences as a function of likelihood of occurrence.
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