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Category:Response to Request for Additional Information (RAI)
MONTHYEARML19207A2572019-07-26026 July 2019 LLC Response to NRC Request for Additional Information No. 427 (Erai No. 9408) on the NuScale Design Certification Application ML19207A2742019-07-26026 July 2019 LLC Response to NRC Request for Additional Information No. 386 (Erai No. 9316) on the NuScale Design Certification Application ML18243A4682018-08-31031 August 2018 Korea Hydro & Nuclear Power Co., Ltd - WO 89 Response to Digital I&C Questions ML18243A4652018-08-31031 August 2018 Korea Hydro & Nuclear Power Co., Ltd - Submittal of LTR-RAM-17-81, Revision 4, Work Order 89: Response to Digital I&C Questions. ML18225A1382018-08-13013 August 2018 Korea Hydro & Nuclear Power Co, Ltd., Revised Response to RAI 520-8693 for Question 06.02.02-43, (Rev.1) ML18222A3502018-08-10010 August 2018 Korea Hydro & Nuclear Power Co., Ltd. - Response to RAI Er 1-8428 for Question EIS ACC/SA-15 (Rev.4) ML18221A5162018-08-0909 August 2018 Korea Hydro & Nuclear Power Co., Ltd. - Response to RAI 452-8545 for the Question 10.03.06-21 (Rev.1) ML18218A2092018-08-0606 August 2018 Korea Hydro & Nuclear Power Co., Ltd - Transmittal of Revised Response to RAI 271-8290 for Question 19-15 (Rev. 5) ML18218A2072018-08-0606 August 2018 Korea Hydro & Nuclear Power Co., Ltd - Revised Response to RAI 271-8290 for Question 19-15 (Rev. 5) ML18218A2032018-08-0606 August 2018 Korea Hydro & Nuclear Power Co, Ltd., Revised Response to RAI 312-8343 for Question 19-16 (Rev. 3) ML18218A1952018-08-0606 August 2018 Korea Hydro & Nuclear Power Co, Ltd., Revised Response to RAI 434-8352 for Question 19-92 (Rev.5) ML18205A7322018-07-24024 July 2018 Korea Hydro & Nuclear Power Co., Ltd - Transmittal of Revised Response to RAI 558-9456 for Question 14.03.01-1 (Rev.1) ML18205A7312018-07-24024 July 2018 Korea Hydro & Nuclear Power Co., Ltd - Revised Response to RAI 558-9456 for Question 14.03.01-1 (Rev.1) ML18205A6372018-07-24024 July 2018 Korea Hydro & Nuclear Power Co., Ltd - Revised Response to RAI 356-7881 for the Question 07-18 (Rev.3) ML18207A4562018-07-20020 July 2018 Korea Hydro - Revised Response to Request for Additional Information, APR1400 Design Certification, RAI No. 112-8015 ML18201A4002018-07-20020 July 2018 LLC Response to NRC Request for Additional Information No. 491 (Erai No. 9557) on the NuScale Design Certification Application ML18197A2972018-07-13013 July 2018 Korea Hydro & Nuclear Power Co., Ltd - Revised Response to RAI 88-8046 for Question 03.05.02-4 (Rev.1) ML18197A2962018-07-13013 July 2018 Korea Hydro & Nuclear Power Co., Ltd - Transmittal of Revised Response to RAI 88-8046 for Question 03.05.02-4 (Rev.1) ML18194A8572018-07-13013 July 2018 Korea Hydro & Nuclear Power Co., Ltd - Revised Response to RAI 432-8377 for Question 19-64 (Rev.7) ML18194A8552018-07-13013 July 2018 Korea Hydro & Nuclear Power Co., Ltd - Transmittal of Revised Response to RAI 432-8377 for Question 19-64 (Rev.7) ML18194A8232018-07-13013 July 2018 Korea Hydro & Nuclear Power Co., Ltd, Revised Response to RAI 316-8305 for the Question 17.04-1 (Rev. 4) ML18190A1622018-07-0909 July 2018 Korea Hydro & Nuclear Power Co, Ltd., Revised Response to RAI 420-8482 for Question 19.03-36 (Rev.2) ML18184A3682018-07-0303 July 2018 Korea Hydro & Nuclear Power Co., Ltd - Response to RAI 301-8280 for the Question 07.01-45 ML18178A5772018-06-27027 June 2018 Korea Hydro & Nuclear Power Co., Ltd - Transmittal of Revised Response to RAI Er 1-8428 for Question EIS ACC/SA-15 (Rev.3) ML18172A3142018-06-21021 June 2018 Korea Hydro & Nuclear Power Co., Ltd - Response to Action Item 5-6 Section 5.4.2.1 Mcb Issue List Regarding APR-1400, FSAR Section 5.4.2.1 ML18172A3132018-06-21021 June 2018 Korea Hydro & Nuclear Power Co., Ltd - Transmittal of Revised Response to Action Item 5-6.11 Regarding Mcb Issue for DCD Section 5.4 ML18170A0592018-06-19019 June 2018 Korea Hydro & Nuclear Power Co, Ltd - Revised Response to RAI 329-8424 for Question 14.03.08-13 (Rev.1) ML18162A3432018-06-11011 June 2018 Korea Hydro & Nuclear Power Co., Ltd - Transmittal of Revised Response to RAI 557-9199 for the Question 03.08.05-20 (Rev. 2) ML18155A4082018-06-0404 June 2018 Korea Hydro & Nuclear Power Co, Ltd. - Revised Response to RAI 61-7984 for Question 08.03.01-5 (Rev. 1) ML18155A4012018-06-0404 June 2018 Korea Hydro & Nuclear Power Co, Ltd. - Revised Response to RAI 297-8309 for Question 19.03-1 (Rev.2) ML18155A3932018-06-0404 June 2018 Korea Hydro & Nuclear Power Co., Ltd - Revised Response to RAI 297-8309 for Question 19.03-2 (Rev. 1) ML18155A3922018-06-0404 June 2018 Korea Hydro & Nuclear Power Co., Ltd - Transmittal of Revised Response to RAI 297-8309 for Question 19.03-2 (Rev. 1) ML18155A3822018-06-0404 June 2018 Korea Hydro & Nuclear Power Co., Ltd'S Revised Response to RAI 420-8482 for Question 19.03-36 (Rev. 1) ML18150A5832018-05-30030 May 2018 Korea Hydro & Nuclear Power Co., Ltd - Revised Response to RAI 557-9199 for the Question 03.08.05-20 ML18150A5802018-05-30030 May 2018 Korea Hydro & Nuclear Power Co., Ltd - Submittal of Revised Response to RAI 557-9199 for the Question 03.08.05-20 ML18145A0842018-05-25025 May 2018 Korea Hydro & Nuclear Power Co, Ltd. - Revised Response to RAI 301-8280 for the Question 07.01-45 (Rev.2) ML18142A2992018-05-18018 May 2018 Korea Hydro & Nuclear Power Co, Ltd. - Revised Response to RAI 255-8285 for the Question 03.08.05-7 (Rev. 5) ML18142A3062018-05-17017 May 2018 Korea Hydro & Nuclear Power Co., Ltd. - Response to RAI 554-9146 for Question 07.02-18 (Rev. 1) ML18137A4822018-05-17017 May 2018 Korea Hydro & Nuclear Power Co, Ltd. - Response to RAI 558-9456 for Question 14.03.01-1 ML18137A4742018-05-17017 May 2018 Korea Hydro & Nuclear Power Co., Ltd - Revised Response to RAI 128-7980 for the Question 18-18 (Rev. 1) ML18137A4722018-05-17017 May 2018 Korea Hydro & Nuclear Power Co., Ltd - Transmittal of Revised Response to RAI 128-7980 for the Question 18-18 (Rev. 1) ML18131A1042018-05-11011 May 2018 Korea Hydro & Nuclear Power Co, Ltd - Revised Response to RAI 7-8567 for Question APR1400-4 (Rev. 1) ML18131A1062018-05-11011 May 2018 Korea Hydro & Nuclear Power Co, Ltd - Revised Response to RAI 7-8567 for Question APR1400-4 (Rev. 1) ML18131A1132018-05-11011 May 2018 Revised Response to RAI 412-8525 for Question 08.04-15 (Rev. 1) ML18129A3882018-05-0909 May 2018 Korea Hydro & Nuclear Power Co., Ltd - Revised Response to Request for Additional Information for Question No. 08.01-21 ML18124A1132018-05-0404 May 2018 Korea Hydro & Nuclear Power Co, Ltd - Revised Response to RAI 45-7883 for the Question 07.09-2 (Rev.6) ML18124A1512018-05-0404 May 2018 Korea Hydro & Nuclear Power Co, Ltd - Revised Response to RAI 555-9163 for the Question 07.02-19 (Rev. 2) ML18121A4162018-05-0101 May 2018 Korea Hydro & Nuclear Power Co, Ltd - Revised Response to RAI 433-8363 for Question 19-83 (Rev.2) ML18120A3042018-04-30030 April 2018 Korea Hydro & Nuclear Power Co., Ltd - Response to RAI 342-8291 for Question 07.08-10 (Rev.2) ML18115A3332018-04-25025 April 2018 Korea Hydro & Nuclear Power Co, Ltd. - Revised Response to RAI 553-9084 for the Question 18-134 (Rev.2) 2019-07-26
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EIS ACC/SA-3_Rev.1 - 1 / 2 KEPCO/KHNP REVISED RESPONSE TO REQUEST FOR ADDITIONAL INFORMATION APR1400 Design Certification Korea Electric Power Corporation / Korea Hydro & Nuclear Power Co., LTD Docket No.52-046 RAI No.: ER 1-8428 SRP Section: Environmental Report Application Section: APR1400 Environmental Report Date of RAI Issue: 03/22/2016 Question No. EIS ACC/SA-3 10 CFR 51.55(a) requires each applicant for a standard design certification under subpart B of 10 CFR Part 52 (i.e., 10 CFR 52.47(b)(2)) to submit with its application a separate document entitled, "Applicant's Environmental ReportStandard Design Certification." The environmental report must address the costs and benefits of severe accident mitigation design alternatives, and the bases for not incorporating severe accident mitigation design alternatives in the design to be certified.
The environmental standard review plan (ESRP) Section 7.2, Severe Accidents, of NUREG 1555 directs the staff to evaluate and independently confirm severe accident risks and analyses presented in an Environmental Report (ER) (i.e., the APR1400 ER, Applicants Environmental Report - Standard Design Certification, found under ML15006A038 and the proprietary technical report, Severe Accident Mitigation Design Alternatives (SAMDAs) for the APR1400,Under ML15012A105) of accidents involving radioactive material that can be postulated for the plant under review. The scope of this review should include probability-weighted consequence (i.e., risks) analysis for severe accidents, including dose and socioeconomic risk impacts based on plant specific data in sufficient detail to appropriately evaluate the risks for severe accidents.
The staff requires the following additional information in order to complete its review of the environmental impacts of severe accidents and to ensure appropriate documentation of the applicants assessment in the APR1400 Environmental Report.
Provide a detailed explanation on how the population values for each grid element (or rosette segment) taken from SecPop2000 were extrapolated out to the year 2030. Although a process is described in Section 5.5.1, Population Distribution, on pages A21 and A22 of APR1400-E-PNR-14006-P, the staff requires additional details including the information obtained from references used for determining the 2030 year population distribution, especially given that some grid elements (or rosette segments) contain two or more county segments. In particular,
EIS ACC/SA-3_Rev.1 - 2 / 2 KEPCO/KHNP the response should provide the information obtained from References 17 and 19 of APR1400-E-P-NR-14006-P along with explaining how information from Tables 5.5.1-4 and 5.5.1-5.
The NRC staff request that any revisions to the ER or supporting technical reports be provided as a markup as part of the response to this RAI.
Response - (Rev.1)
Level 3 analysis documented in Appendix A of APR1400-E-P-NR-14006-P, Rev.1 was revised to clarify how population distribution projections were calculated (see Section 5.5.1 of Appendix A).
The population estimates provided by Virginia and North Carolina have changed since the initial revision of the Level 3 analysis, so new growth factors were calculated. The population estimates were simplified since SECPOP 4.3 uses 2010 Census data, where the estimates were only needed to project from 2010 to 2030.
Impact on DCD There is no impact on the DCD.
Impact on PRA There is no impact on the PRA.
Impact on Technical Specifications There is no impact on the Technical Specifications.
Impact on Technical/Topical/Environmental Reports The SAMDA Report was revised as discussed above. There is no impact on the Environmental Reports.