ML17212A039

Submittal of Updates to the Defueled Safety Analysis Report and Final Safety Analysis Report

ML17212A039
Person / Time
Site:	Millstone
Issue date:	06/29/2017
From:	Daugherty J Dominion Nuclear Connecticut
To:	Document Control Desk, Office of Nuclear Reactor Regulation
Shared Package
ML17212A038	List: ML17212A039 ML17212A041 ML17212A042 ML17212A044 ML17212A045 ML17212A047 ML17212A048 ML17212A049 ML17212A050 ML17212A051 ML17212A052 ML17212A053 ML17212A054 ML17212A056 ML17212A058 ML17212A059 ML17212A060 ML17212A063 ML17212A064 ML17212A065 ML17212A066 ML17212A067 ML17212A068 ML17212A069 ML17212A070 ML17212A071 ML17212A072 ML17212A073 ML17212A074 ML17212A076 ML17212A077 ML17212A079 ML17212A080 ML17212A081 ML17212A082 ML17212A083 ML17212A084 ML17212A086 ML17212A087 ML17212A088 ML17212A089 ML18295A107 ML18295A114 ML18295A123 ML18295A125
References
17-208
Download: ML17212A039 (9)

Text

Dominion Nuclear Connecticut, Inc. Rope Ferry Rd., Waterford, CT 06385 Mailing Address: P.O. Box 128 Waterford, CT 06385 JUN 2 9 2017 dam.com SECURITY-RELATED INFORMATION -WITHHOLD UNDER 10 CFR 2.390 , U.S. Nuclear Regulatory Commission Attention:

Document Control Desk Washington, DC 20555 DOMINION NUCLEAR CONNECTICUT, INC. MILLSTONE POWER STATION UNITS 1, 2, AND 3 UPDATES TO THE DEFUELED SAFETY ANALYSIS REPORT AND FINAL SAFETY ANALYSIS REPORTS Serial No. MPS Lic/GJC Docket Nos. License Nos.17-208 RO 50-245 50-336 50-423 DPR-21 DPR-65 NPF-49 In accordance with 10 CFR 50.71 (e), Dominion Nuclear Connecticut, Inc. (DNC) hereby submits revisions to the Millstone Power Station Unit 1 (MPS1) Defueled Safety Analysis Report (DSAR), and the Millstone Power Station Units 2 and 3 (MPS2 and MPS3) Updated Final Safety Analysis 'Reports (UFSARs).

Six CD-ROMs are included in this submittal.

Enclosure 1 contains a CD-ROM labeled: Millstone Power Station Unit 1 Defueled Safety Analysis Report Revision 14 Docket No. 050-245 -Security-Related Information

-Withhold Under 10 CFR 2.390. The CD-ROM contains the electronic version of the MPS1 DSAR Revision 14 in the following file: File Name UIDSAR.pdf File Description MPS1 DSAR all chapters (not redacted)

File Size (Bytes) 1,885,000 This enclosure contains Security-Related Information and is requested that it be withheld from public disclosure in accordance with 10 CFR 2.390. Enclosure 2 contains a CD-ROM labeled: Millstone Power Station Unit 1 Defueled Safety Analysis Report Revision 14 Docket No. 050-245-Redacted.

The CD-ROM contains the electronic version of the MPS1 DSAR Revision 14 in the following file: File Name U1 DSAR_NRC_Redacted.pdf File Description MPS1 DSAR all chapters (redacted)

File Size (Bytes) 1,800,000 ENCLOSURES 1, 3 & 5 TO THIS LETTER CONTAIN SECURITY-RELATED INFORMATION WMICH IS TO BE WITHHE;LD FROM PUBLIC DISCLOSURE UNDER 10 CFR 2.390. UPON REMOVAL OF ENCLOSURES 1, 3 & 5, THIS LETTER IS DECONTROLLED.

SECURITY-RELATED INFORMATION

-WITHHOLD UNDER 10 CFR 2.390 Serial No.17-208 DSAR/FSAR Updates Page 2 of 9 Enclosure 3 contains a CD-ROM labeled: Millstone Power Station Unit 2 Final Safety Analysis Report Revision 35 Docket No. 050-00336

-Security-Related Information

-Withhold Under 10 CFR 2.390. The CD-ROM contains the electronic version of the MPS2 FSAR Revision 35 in the following files: File Name 000 MPS U2 FSAR Frontmatter.pdf File Description Revision History, List of Abbreviations, List of Effective Sections, List of Effective Tables, List of Effective Figures File Size (Bytes) 1,955,000 001 MPS U2 FSAR Chapter 1.pdf Chapter 1 (all content) 1, 149,000 -------**-*-****----*-*--******--*--*---*-*-*-**-**-****-***********---*-------

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002 MPS U2 FSAR Chapter 2.pdf Chapter 2 (all content) 003 MPS U2 FSAR Chapter 3.pdf Chapter 3 (all content) .........................................................

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-............................................ , ... _ 004 MPS U2 FSAR Chapter 4.pdf Chapter 4 (all content) *-----------*-----****-*---

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.... -...... , __ _ 005 MPS U2 FSAR Chapter 5.pdf Chapter 5 (all content) 10,320,000 15,962,000 12,692,000 47,759,000 006 MPS U2 FSAR Chapter 6.pdf Chapter 6 (all content) 6,533,000

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.. **** 007 MPS U2 FSAR Chapter 7.pdf Chapter 7 (all content) 11, 105,000 008 MPS U2 FSAR Chapter 8.pdf Chapter 8 (all content) 1,570,000

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009 MPS U2 FSAR Chapter 9.pdf Chapter 9 (all content) 15,098,000 010 MPS U2 FSAR Chapter 1 O.pdf Chapter 10 (all content) 221,000 011 MPS U2 FSAR Chapter 11.pdf Chapter 11 (all content) 3,213,000

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_ ........ _ ..... __ 012 MPS U2 FSAR Chapter 12.pdf Chapter 12 (all content) 99,000 013 MPS U2 FSAR Chapter 13.pdf Chapter 13 (all content) 408,000 014 MPS U2 FSAR Chapter 14.pdf Chapter 14 (all content) 43,277,000 015 MPS U2 FSAR Chapter 15.pdf Chapter 15 (all content) 259,000 ---***---.. ----..........

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Millstone TRM (IBR).pdf MP2 IBR DWGS.pdf MPS2 Technical Requirements Manual (incorporated by reference) 1,795,000 MPS2 Drawings (incorporated by reference) 49, 167,000 This enclosure contains Security-Related Information and is requested that it be withheld from public disclosure in accordance with 10 CFR 2.390. CLOSURES 1, 3 & 5 TO THIS LETTER CONTAIN SECURITY-RELATED INFORMATION llCH IS TO BE WITHHELD FROM PUBLIC DISCLOSURE UNDER 10 CFR 2.390. ON REMOVAL OF ENCLOSURES 1, 3 & 5, THIS LETTER IS DECONTROLLED.

SECURITY-RELATED INFORMATION -WITHHOLD UNDER 10 CFR 2.390 Serial No.17-208 DSAR/FSAR Updates Page 3 of 9 Enclosure 4 contains a CD-ROM labeled: Millstone Power Station Unit 2 Final Safety Analysis Report Revision 35 Docket No. 050-00336

-Redacted.

The CD-ROM contains the electronic version of the MPS2 FSAR Revision 35 in the following files: File Name 000 MPS U2 FSAR Frontmatter.pdf 001 MPS U2 FSAR Chapter 1_R.pdf 002 MPS U2 FSAR Chapter 2_R.pdf 003 MPS U2 FSAR Chapter 3.pdf 004 MPS U2 FSAR Chapter 4.pdf *---*------****--*-*--****-------*--*-*----*-****---*-*---

005 MPS U2 FSAR Chapter 5_R.pdf 006 MPS U2 FSAR Chapter 6.pdf 007 MPS U2 FSAR Chapter 7 R.pdf File Description Revision History, List of Abbreviations, List of Effective Sections, List of Effective Tables, List of Effective Figures Chapter 1 (all content) Chapter 2 (all content) Chapter 3 (all content) Chapter 4 (all content) ------*-*--*-*-**-*--**

Chapter 5 (all content) Chapter 6 (all content) File Size (bytes 1,955,000 613,000 7,800,000 15,962,000 12,692,000 47,062,000 6,533,000

---*--*-*-----*--**---*---*-**-*-*-**----*****-*-------***-*******--

Chapter 7 (all content) 11,106,000 008 MPS U2 FSAR Chapter 8_R.pdf Chapter 8 (all content) 888,000 **-*-*-***-*********

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.. . 009 MPS U2 FSAR Chapter 9.pdf Chapter 9 (all content) 15,097,000 010 MPS U2 FSAR Chapter 1 O.pdf Chapter 10 (all content) 221,000 011 MPS U2 FSAR Chapter 11_R.pdf Chapter 11 (all content) 2,774,000 012 MPS U2 FSAR Chapter 12.pdf Chapter 12 (all content) 99,000 ............

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.. 013 MPS U2 FSAR Chapter 13.pdf Chapter 13 (all content) 408,000 --*--*--*-

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___ ,, ___ .. ,, __ , ______ . __ .. __ . __ 014 MPS U2 FSAR Chapter 14.pdf 015 MPS U2 FSAR Chapter 15.pdf Millstone TRM (IBR).pdf Chapter 14 (all content) Chapter 15 (all content) MPS2 Technical Requirements Manual (incorporated by reference) 43,277,000 259,000 1,485,000

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--***-----*-----------"-""'"'"" -----.. *--*-*-.. -.. ---*--*--"-*--*--*

.... --*---MP2 IBR DWGS.pdf MPS2 Drawings (incorporated by reference) 41,906,000 CLOSURES 1, 3 & 5 TO THIS LETTER CONTAIN SECURITY-RELATED INFORMATION HCH IS TO BE WITHHELD FROM PUBLIC DISCLOSURE UNDER 10 CFR 2.390. ON REMOVAL OF ENCLOSURES 1, 3 & 5, THIS LETTER IS DECONTROLLED.

SECURITY-RELATED INFORMATION-WITHHOLD UNDER 10 CFR 2.390 Serial No.17-208 DSAR/FSAR Updates Page 4 of 9 Enclosure 5 contains a CD-ROM labeled: Millstone Power Station Unit 3 Final Safety Analysis Report Revision 30 Docket No. 050-00423

-Security-Related Information

-Withhold Under 10 CFR 2.390. The CD-ROM contains electronic version of MPS3 FSAR, Revision 30 in the following files: File Name 000 MPS U3 FSAR Frontmatter.pdf File Description MPS3 FSAR Revision History, List of Abbreviations, List of Effective Sections, List of Effective Tables, List of Effective Figures File Size (Bytes) 2,064,000

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*-*-*******--*---*-----*-**---**------*----------*-*----*----***-*-------*-*----**-*-------*--*-**-*----------

001 MPS U3 FSAR Chapter 1.pdf 002 MPS U3 FSAR Chapter 2 -*-*-*-----*---------***---*--**-**------

002b MPS U3 FSAR Chapter 2_ Tables.pdf

--*** .. --...... ---***-*----*--**-----*-*--*

MPS3 FSAR Chapter 1 (all content) MPS3 FSAR Chapter 2, Chapter 2 Tables 2.1-1 through 2.1-30, 2.2-1 through 2.2-8, 2.3-19, 2.3-31 through 2.3-32, 2.3-34, 2.4-7 through 2.4-12, 2.5.4-12, 2.5.4-14, 2.5.4-15, 2.5.4-21A, and 2.5.4-23, Appendices 2.5A through Appendix 2.5M MPS3 FSAR Chapter 2 Tables 2.3-1 through 2.3-18, 2.3-20 through 2.3-30, 2.3-33, 2.4-1 thrpugh 2.4-6, 2.4-13, 2.5.1-1 through 2.5.1-8, 2.5.2-1 through 2.5.2-4, 2.5.3-1 through 2.5.3-3, through 2.5.4-11, 2.5.4-13, 2.5.4-16 through 2.5.4-20, 2.5.4-21 B, 2.5.4-22, 2.5.4-24 MPS3 FSAR Chapter 2 Figures 2.1-1 through 1,143,000 39,970,000 21,823,000 002c MPS U3 FSAR Chapter 2_Figures.pdf 2.1-12, 2.2-1through2.2-5, 2.3-1through2.3-7, 20,188,000 2.4-1 through 2.4-37 ---**********--***-**-----**--*-*-*--*--------

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MPS3 FSAR Chapter 2 Figures 2.5.1-1 through 002d MPS U3 FSAR Chapter 2_Figures.pdf 2.5.1-9, 2.5.2-1through2.5.2-9, 2.5.3-1 through 2.5.3-3, 2.5.4-1 through 2.5.4-9 MPS3 FSAR Chapter 2 Figures 2.5.5-1 through 002e MPS U3 FSAR Chapter 2_Figures.pdf 2.5.5-7, 2.5.1-10 through 2.5.1-18, 2.5.2-10, 2.5.4-10 through 2.5.4-39 43,301,000 44,594,000

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002f MPS U3 FSAR Chapter 2_Figures.pdf 003 MPS U3 FSAR Chapter 3.pdf MPS3 FSAR Chapter 2 Figures 2.5.4-40 through 2.5.4-75 MPS3 FSAR Chapter 3, Chapter 3 Tables, Appendix 3A, Appendix 38 MPS3 FSAR Chapter 3 Figures 3.2-1, 3.3-1, 3.4-27,858,000 3,643,000 003b MPS U3 FSAR Chapter 3_Figures.pdf 1, 3.5-1 through 3.5-6, 3.6-1 through 3.6-33, 3.8-48,573,000 1 through 3.8-84 CLOSURES 1, 3 & 5 TO THIS LETTER CONTAIN SECURITY-RELATED INFORMATION llCH IS TO BE WITHHELD FROM PUBLIC DISCLOSURE UNDER 10 CFR 2.390. ON REMOVAL OF ENCLOSURES 1, 3 & 5, THIS LETTER IS DECONTROLLED.

SECURITY-RELATED INFORMATION-WITHHOLD UNDER 10 CFR 2.390 Serial No.17-208 DSAR/FSAR Updates Page 5 of 9 MPS3 FSAR Chapter 3 Figures 3A.1.2-1, 3A.1.4-1, 3A.1.4-2, 3A.1.5-1, 3A.1.5-2, 3A.1.6-1, 3A.1. 7-003c MPS U3 FSAR Chapter 3_Figures.pdf 1, 3A.1.7-2, 3A.2.3.3-1, 3A.3-1 through 3A.3-15, 17,680,000 3A.2.11-1, 3.78-1through3.78-71, 3.7N-1, 3.98-1 through 3.98-5, 3.9N-1 through 3.9N-12 004 MPS U3 FSAR Chapter 4.pdf MPS3 FSAR Chapter 4 (all content) 9,000,000 005 MPS U3 FSAR Chapter 5.pdf MPS3 FSAR Chapter 5 (all content) 5,552,000

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006 MPS U3 FSAR Chapter 6.pdf MPS3 FSAR Chapter 6 (all content) 14,590,000 007 MPS U3 FSAR Chapter 7.pdf MPS3 FSAR Chapter 7 (all content) 7,355,000 008 MPS U3 FSAR Chapter 8.pdf MPS3 FSAR Chapter 8 (all content) 8, 139,000 009 MPS U3 FSAR Chapter 9.pdf MPS3 FSAR Chapter 9 (all content) 33,596,000

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010 MPS U3 FSAR Chapter 1 O.pdf MPS3 FSAR Chapter 10 (all content) 3,548,000 011 MPS U3 FSAR Chapter 11.pdf MPS3 FSAR Chapter 11 (all content) 2,345,000 012 MPS U3 FSAR Chapter 12.pdf MPS3 FSAR Chapter 12 (all content) 25,676,000 013 MPS U3 FSAR Chapter 13.pdf MPS3 FSAR Chapter 13 (all content) 557,000 014 MPS U3 FSAR Chapter 14.pdf MPS3 FSAR Chapter 14 (all content) 2,286,000 015 MPS U3 FSAR Chapter 15.pdf MPS3 FSAR Chapter 15 (all content) 12,252,000 016 MPS U3 FSAR Chapter 16.pdf MPS3 FSAR Chapter 16 (all content) 50,000 017 MPS U3 FSAR Chapter 17.pdf MPS3 FSAR Chapter 17 (all content) 55,000 018 MPS U3 FSAR Chapter 18.pdf MPS3 FSAR Chapter 18 (all content) 58,000 019 MPS U3 FSAR Chapter 19.pdf MPS3 FSAR Chapter 19 (all content) 223,000 ---------***-*******-**-*-****-----*****-----**-**-*-

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020MPS U3 FSAR FPER.pdf 021 MP3 IBR DWGS.pdf 022 MP3 IBR DWGS.pdf -***--****-

.. *------023 Millstone TRM (IBR).pdf MPS3 Fire Protection Evaluation Report (FPER) 1, 197,000 MPS3 Drawings (incorporated by reference) 33,537,000 MPS3 Drawings (incorporated by reference) 25,698,000 MPS3 Technical Requirements Manual (TRM) (incorporated by reference) 2,958,000 This enclosure contains Security-Related Information and is requested that it be withheld from public disclosure in accordance with 10 CFR 2.390. CLOSURES 1, 3 & 5 TO THIS LETTER CONTAIN SECURITY-RELATED INFORMATION llCH IS TO BE WITHHELD FROM PUBLIC DISCLOSURE UNDER 10 CFR 2.390. ON REMOVAL OF ENCLOSURES 1, 3 & 5, THIS LETTER IS DECONTROLLED.

SECURITY-RELATED INFORMATION -WITHHOLD UNDER 10 CFR 2.390 Serial No.17-208 DSAR/FSAR Updates Page 6 of 9 Enclosure 6 contains a CD-ROM labeled: Millstone Power Station Unit 3 Final Safety Analysis Report Revision 30 Docket No. 050-00423

-Redacted.

The CD-ROM contains electronic version of MPS3 FSAR, Revision 30 in the following files: File Name 000 MPS U3 FSAR Frontmatter.pdf 001 MPS U3 FSAR Chapter 1_R.pdf 002a MPS U3 FSAR Chapter 2_R.pdf File Description MPS3 FSAR Revision History, List of Abbreviations, List of Effective Sections, List of Effective Tables, List of Effective Figures MPS3 FSAR Chapter 1 (all content) MPS3 FSAR Chapter 2, Chapter 2 Tables 2.1-1 through 2.1-30, 2.2-1 through 2.2-8, 2.3-19, 2.3-31 through 2.3-32, 2.3-34, 2.4-7 through 2.4-12, 2.5.4-12, 2.5.4-14, 2.5.4-15, 2.5.4-21A, and 2.5.4-23, Appendices 2.5A through Appendix 2.5M File Size (Bytes) 2,064,000 1,145,000 39,967,000

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MPS3 FSAR Chapter 2 Tables 2.3-1 through 2.3-18, 2.3-20 through 2.3-30, 2.3-33, 2.4-1 through 2.4-6, 2.4-13, 2.5.1-1 002b MPS U3 FSAR Chapter 2_ Tables.pdf through 2.5.1-8, 2.5.2-1 through 2.5.2-4, 2.5.3-1 through 2.5.3-3, 2.5.4-1 through 2.5.4-11, 2.5.4-13, 2.5.4-16 through 2.5.4-20, 2.5.4-218, 2.5.4-22, 2.5.4-24 MPS3 FSAR Chapter 2 Figures 2.1-1 002c MPS U3 FSAR Chapter 2_Figures.pdf through 2.1-12, 2.2-1 through 2.2-5, 2.3-1 through 2.3-7, 2.4-1 through 2.4-37 002d MPS U3 FSAR Chapter 2_Figures.pdf MPS3 FSAR Chapter 2 Figures 2.5.1-1 through 2.5.1-9, 2.5.2-1 through 2.5.2-9, 2.5.3-1 through 2.5.3-3, 2.5.4-1 through 2.5.4-9 MPS3 FSAR Chapter 2 Figures 2.5.5-1 002e MPS U3 FSAR Chapter 2_Figures.pdf through 2.5.5-7, 2.5.1-10 through 2.5.1-18, 2.5.2-10, 2.5.4-10 through 2.5.4-75 003a MPS U3 FSAR Chapter 3_R.pdf MPS3 FSAR Chapter 3, Chapter 3 Tables, Appendix 3A, Appendix 38 MPS3 FSAR Chapter 3 Figures 3.2-1, 3.3-1, 21,823,000 15,347,000 33,244,000 42,271,000 3,635,000 003b MPS U3 FSAR Chapter 3_Figures.pdf 3.4-1, 3.5-1 through 3.5-6, 3.6-1 through 36,870,000 3.6-33, 3.8-1 through 3.8-84 003c MPS U3 FSAR Chapter 3_Figures.pdf MPS3 FSAR Chapter 3 Figures 3A.1.2-1, 3A.1.4-1, 3A.1.4-2, 3A.1.5-1, 3A.1.5-2, 3A.1.6-1, 3A.1.7-1, 3A.1.7-2, 3A.2.3.3-1, 3A.3-1 through 3A.3-15, 3A.2.11-1, 3.78-1 through 3.78-71, 3.7N-1, 3.98-1 through 3:98-5, 3.9N-1 through 3.9N-12 17,679,000 ENCLOSURES 1, 3 & 5 TO THIS LETTER CONTAIN SECURITY-RELATED INFORMATION WHICH IS TO BE WITHHELD FROM PUBLIC DISCLOSURE UNDER 10 CFR 2.390. UPON REMOVAL OF ENCLOSURES 1, 3 & 5, THIS LETTER IS DECONTROLLED.

SECURITY-RELATED INFORMATION

-WITHHOLD UNDER 10 CFR 2.390 Serial No.17-208 DSAR/FSAR Updates Page 7 of 9 ---*---**-*--*-

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004 MPS U3 FSAR Chapter 4.pdf 005 MPS U3 FSAR Chapter 5.pdf 006 MPS U3 FSAR Chapter 6_R.pdf 007 MPS U3 FSAR Chapter 7.pdf 008 MPS U3 FSAR Chapter 8_R.pdf 009 MPS U3 FSAR Chapter 9.pdf 010 MPS U3 FSAR Chapter 10.pdf 011 MPS U3 FSAR Chapter 11.pdf 012 MPS U3 FSAR Chapter 12_R.pdf 013 MPS U3 FSAR Chapter 13_R.pdf 014 MPS U3 FSAR Chapter 14.pdf 015 MPS U3 FSAR Chapter 15.pdf 016 MPS U3 FSAR Chapter 16.pdf 017 MPS U3 FSAR Chapter 17.pdf 018 MPS U3 FSAR Chapter 18.pdf 019 MPS U3 FSAR Chapter 19.pdf 020MPS U3 FSAR FPER.pdf 021 MP3 IBR DWGS.pdf 022 MP3 IBR DWGS.pdf 023 Millstone TRM (IBR).pdf MPS3 FSAR Chapter 4 (all content) MPS3 FSAR Chapter 5 (all content) MPS3 FSAR Chapter 6 (all content) MPS3 FSAR Chapter 7 (all content) MPS3 FSAR Chapter 8 (all content) MPS3 FSAR Chapter 9 (all content) MPS3 FSAR Chapter 1 O (all content) MPS3 FSAR Chapter 11 (all content) MPS3 FSAR Chapter 12 (all content) MPS3 FSAR Chapter 13 (all content) MPS3 FSAR Chapter 14 (all content) MPS3 FSAR Chapter 15 (all content) MPS3 FSAR Chapter 16 (all content) MPS3 FSAR Chapter 17 (all content) MPS3 FSAR Chapter 18 (all content) MPS3 FSAR Chapter 19 (all content) MPS3 Fire Protection Evaluation Report (FPER) 9,000,000 5,552,000 13,705,000 7,355,000 7,844,000 33,596,000 3,548,000 2,345,000 5,775,000 557,000 2,286,000 12,252,000 50,000 55,000 58,000 223,000 1,197,000 MPS3 Drawings (incorporated by reference) 36,418,000 MPS3 Drawings (incorporated by reference) 19,517,000 MPS3 Technical Requirements Manual (TRM) (incorporated by reference) 2,461,000 CLOSURES 1, 3 & 5 TO THIS LETTER CONTAIN SECURITY-RELATED INFORMATION llCH IS TO BE WITHHELD FROM PUBLIC DISCLOSURE UNDER 10 CFR 2.390. ON REMOVAL OF ENCLOSURES 1, 3 & 5, THIS LETTER IS DECONTROLLED.

SECURITY-RELATED INFORMATION -WITHHOLD UNDER 10 CFR 2.390 Serial No.17-208 DSAR/FSAR Updates Page 8 of 9 If you have any questions or require additional information, please contact Mr. Jeffry A. Langan, (860) 444-5544.

Sincerely, Ja. Daugherty Site Vice President

-Millstone STATE OF CONNECTICUT COUNTY OF NEW LONDON The foregoing document was acknowledged before me, in and for the County and State aforesaid, today by John R. Daugherty, who is Site Vice President

-Millstone of Dominion Nuclear Connecticut, Inc. He has affirmed before me that he is duly authorized to execute and file the foregoing document in behalf of that company, and that the statements in the document are true to the best of his knowledge and belief. Acknowledged before me this .:L'\ day of:IuN.t. , 2017. My Commission Expires: An:.u 3\1 ... NotarYPLiC WM.E.BROWN NOTARY PUBLIC MY COMMISSION EXPIRES MAR. 31, 2021 I I :\,* ..... \ \.\ I c I -\ ' ;. -;.:-\

.... -/ / ;* .. _">-.: ' "I'/-r l--*-/ . --r* *. .:: _r' ' :'--CLOSURES 1, 3 & 5 TO THIS LETTER CONTAIN SECURITY-RELATED INFORMATION llCH IS TO BE WITHHELD FROM PUBLIC DISCLOSURE UNDER 10 CFR 2.390. ON REMOVAL OF ENCLOSURES 1, 3 & 5, THIS LETTER IS DECONTROLLED.

SECURITY-RELATED INFORMATION

-WITHHOLD UNDER 10 CFR 2.390

Enclosures:

6 Commitments made in this letter: None. cc: (w/ enclosures)

U.S. Nuclear Regulatory Commission Region I 2100 Renaissance Blvd, Suite 100 King of Prussia, PA 19406-2713 NRG Senior Resident Inspector Millstone Power Station cc: (w/o T. H. Carter NRG Project Manager Millstone Unit 1 U.S. Nuclear Regulatory Commission Two White Flint North, Mail Stop T-8 F8 11545 Rockville Pike Rockville, MD 20852-2738 L. A. Kauffman Health Physicist-DNMS U.S. Nuclear Regulatory Commission Region I 2100 Renaissance Blvd, Suite 100 King of Prussia, PA 19406-2713 R. V. Guzman NRG Senior Project Manager Millstone Units 2 and 3 U.S. Nuclear Regulatory Commission One White Flint North, Mail Stop 08 C2 11555 Rockville Pike Rockville, MD 20852-2738 Serial No.17-208 DSAR/FSAR Updates Page 9 of 9 CLOSURES 1, 3 & 5 TO THIS LETTER CONTAIN SECURITY-RELATED INFORMATION llCH IS TO BE WITHHELD FROM PUBLIC DISCLOSURE UNDER 10 CFR 2.390. ON REMOVAL OF ENCLOSURES 1, 3 & 5, THIS LETTER IS DECONTROLLED.