Text

Letter from W. Fowler to the U.S. Nuclear Regulatory Commission Attn: Document Control Desk NAC-MPC Biennial FSAR Update and Associated 10 CFR 72.48 Determination Summary Report (W/Enclosures 1-4)REDACTED
	ML18155A354
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Site:	07201025
Issue date:	04/09/2018
From:	Fowler W; NAC International
To:	; Document Control Desk, Office of Nuclear Material Safety and Safeguards
	White B
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ML18155A352	List: ML18155A354;
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	ED20180024
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A NAC r@l INTERNATIONAL April 9, 2018 U.S. Nuclear Regulatory Commission 11555 Rockville Pike R~ckville, MD 20.852-2738 Attn: Document Control Desk Atlanta Corporate Headquarters 3930 East Jones Bridge Road, Suite 200 Norcross, GA 30092 Phone 770-447-1144 Fax 770-447-1'797 www.nacintl.com

Subject:

NAC-MPC Biennial FSAR Update and Associated 10 CFR 72.48 Determination Summary Report Docket No. 72-1025

References:

1. NAC-MPC Final Safety Analysis Report (FSAR), Revision 10, NAC International, January 2014 In accordance with the requirements of 10 CFR 72.248, NAC International (NAC) herewith provides a copy 9fthe changed pages necessary to complete the update of the NAC-MPC Final Safety Analysis Report (FSAR) to Revision 11.

Revision 11 of the NAC-MPC FSAR is based on Reference 1 and on the changes that have been reviewed and incorporated by NAC under the 10 CFR 72.48 regulation for the period between April 10, 2016 and April 10, 2018. A certification of the accuracy of the Revision 11 changes by a duly authorized officer ofNAC is provided as Enclosure 3.

A 10 CFR 72.48 Determination Summary Report for the NAC-MPC for the period between April 10, 2016 and April 10, 2018 is provided as Enclosure 1 for your information. A detailed description of all the changes incorporated in Revision 11 of the NAC-MPC FSAR is provided in the List of Changes for the NAC-MPC FSAR, Revision 11 as Enclosure 2.

Consistent with the NAC administrative practice, NAC-MPC FSAR, Revision 11, changed pages are uniquely identified by the revision number located in the header of each page. Revision bars mark the FSAR text changes.

If you have any comments or questions regarding this submission, please contact me on my direct line at 678-328-1236.

ED20180024

I NAC INTERNATIONAL U.S. Nuclear Regulatory Commission April 9, 2018 Page 2 of2 Since7jdf-WrenFowler Director, Licensing Engineering

Enclosures:

1. 10 CFR 72.48 Determination Summary Report for the NAC-MPC FSAR, Revision 11

2. List of Changes for the NAC-MPC FSAR, Revision 11

3. Certification of Accuracy of the NAC-MPC FSAR, Revision 11

4. Changed Pages for the NAC-MPC FSAR, Revision 11, Volumes 1 and 2 ED20180024

April 2018 NAC-MPC NAC Multi-Purpose Canister 10 CFR 72.248 and 10 CFR 72.48(d)(2) 24-Month Updates Docket No. 72-1025 A

NAC INTERNATIONAL Atlanta Corporate Headquarters: 3930 East Jones Bridge Road, Norcross, Georgia 30092 USA Phone 770-447-1144, Fax 770-447-1797, www.nacintl.com

to ED201800024 Page 1 of7 10 CFR 72.48 Determination Summary Report for the NAC-MPC FSAR, Revision 11 (Docket No 72-1015)

Period Covered:

April 2016-April 2018 NAC International April 2018

Enclosure I to ED201800024 Page 2 of7 72.48 Determination ID #NAC-16-MPC-001 Change Description Revised Delta notes on drawing to make the use of a tamper-indicating security seal or seal tape on the vertical concrete cask (VCC) lid optional. Additionally, an option was added to permit the use of 2-1/2" long concrete cask lid bolt vs. specified 3-1/4" bolts.

Revised License Drawing 455-862 Source of Change: 72.48 Determination ID# NAC-16-MPC-001 Originating Document: DCR(L) 455-862-8A Sheet 1:

1. Revised Delta Note 1 to read as follows: "At the option of the user, drill a 1/16 diameter hole thru the middle of the bolt head, from the middle of one flat to the opposite flat. For a minimum of 2 bolts per assembly," WAS "Drill a 1/16 diameter hole thru the middle of the bolt head from the middle of one bolt flat to the opposite flat.

2. Revised Delta Note 2 to read as follows: "At the option of the user, one circular layer of seal tape (Item 10) may be applied on the flange of the VCC just inside the lid bolt circle.", was "Apply one circular layer of seal tape on the flange of the VCC just inside the lid bolt circle."

3. Added note 7 to read: "Item 6 to be 1/2-13 UNC-2A x 3 1/4 LG Hex Head or 1/2-13 UNC-2A x 2 1/2 LG Hex Head."

4. B.O.M., Revised Item 6 (Lid Bolt), Description to "See Note 7", was "1/2-13 UNC-2A x 3 1/4 LG Hex Hd".

Revision 9 of drawing 455-862 is not being included in this biennial update due to additional changes to the drawing that are pending regulatory approval.

to ED201800024 Page 3 of7 72.48 Determination ID #NAC-16-MPC-002 Change Description Revised Delta notes on drawing to make the use of a tamper-indicating security seal or seal tape on the vertical concrete cask (VCC) lid optional. Additionally, an option was added to permit the use of 2-1/2" long concrete cask lid bolt vs. specified 3-1/4" bolts.

Revised License Drawing 414-862 Source of Change: 72.48 Determination ID# NAC-16-MPC-002 Originating Document: DCR(L) 414-862-SA Sheet 1:

1. Revised Delta Note 1 to read as follows: "At the option of the user, drill a 1/16 diameter hole thru the middle of the bolt head, from the middle of one flat to the opposite flat. For a minimum of 2 bolts per assembly," WAS "Drill a 1/16 diameter hole thru the middle of the bolt head from the middle of one bolt flat to the opposite flat. Only required for 2 bolts per assembly."

2. Revised Delta Note 2 to read as follows: "At the option of the user, one circular layer of seal tape (Item 10) may be applied on the flange of the VCC just inside the lid bolt circle.", was "Apply one circular layer of seal tape on the flange of the VCC just inside the lid bolt circle."

Revision 6 of drawing 414-862 is not being included in this biennial update due to additional changes to the drawing that are pending regulatory approval.

to ED20 I 800024 Page 4 of7 72.48 Determination ID #NAC-16-MPC-003 Change Description FSAR was revised to update the list of components and the quality categories to correspond to approved project Q-Lists. Additionally, the titles and references for the tables in Chapter 1 and 2 were revised to "Quality Category Classification", and "Safety Function" Chapter 1, Tables 1.5-1, and l.A.5-1, and Chapter 2, Sections 2.3.1 and 2.A.3-1, Tables 2.3-1, 2.3-2, 2.A.3-1.

Source of Change: 72.48 Determination ID# NAC-16-MPC-003 Originating Document: DCR(L) MPC-FSAR-lOA This DCR(L) revised the FSAR to update:

1. Titles and references to tables have been revised from "Safety Classification" to "Quality Category Classification", and "Function" to "Safety Function" throughout Tables 1.5-1, l.A.5-1, 2.3-1, 2.3-2, 2.A.3-1 and FSAR Sections 2.3.1 and 2.A.3-1. A new quality category was added to FSAR section 2.3.1 (i.e, NQ).

2. Revised FSAR Chapter 2 to correct Tables 2.3-1, 2.3-2, and 2.A.3-1 to revise drawing component quality category lists to correspond to current approved project Q-Lists 455-Q-01, 414-Q-01, and 91150-Q-Ol, respectively, and latest applicable Project Design Drawings, as appropriate.

3. Minor editorial/formatting changes have been made on Table 2.A.3-1. There are no quality category changes on any MPC-LACBWR components.

to ED201800024 Page 5 of7 72.48 Determination ID #NAC-18-MPC-001 Change Description Lift anchor configuration details were removed from the 630045-862 and 630045-866 licensed drawings that had been added by DCR(L) 630045-862-0A and 630045-866-IA respectively in support of the Waste Control Specialists (WCS) site specific license submittal. Subsequent changes to the vent screen mesh was made in DCR(L) 630045-866-2A in support of the Amendment 7 submittal. Removal of the lift anchor configuration simplifies the review of Amendment 7. Drawing 630045-862 was not a part of the Amendment 7 submittal and the removal of the lift anchors was an administrative change via the 72.48 process.

Revised License Drawing 630045-862 and 630045-866 Source of Change: 72.48 Determination ID #NAC-18-MPC-001 DCR(L) 630045-862-IA:

Sheet I:

I. B.O.M., revised Item 6 to "(DELETED)", was VCC Assembly. Remove balloon callouts accordingly.

2. B.O.M., removed Assy 98 reference and quantity throughout the drawing.

3. Zone D8, removed Detail B-B and all reference.

Drawing 630045-866 Revision 4 is pending regulatory approval and will not be submitted as part of this biennial update.

to ED201800024 Page 6 of7 72.48 Determination ID #NAC-18-MPC-002 Change Description Incorporation of DCR(L)s MPC-FSAR-lOA, and 630045-862-lA into Revision 10 to create Revision 11 of the MPC FSAR.

Revised License Drawing 630045-862, incorporated DCR(L )s 1 OA, and 1 OB Chapter 1, page l.A. 7-1.

Source of Change: 72.48 Determination ID #NAC-18-MPC-002 Originating Document:

DCR(L) MPC-FSAR-10B incorporated DCR(L)s MPC-FSAR-lOA, and 630045-862-lA into Revision 10 to create Revision 11 of the MPC FSAR.

FSAR Page 1.A.7-1 has been revised to reflect the current revision of the license drawing.

Changes to the List of License Drawings were made to reflect the following revised drawings:

DCR(L) 630045-862-lA:

1. B.O.M., revised Item 6 to "(DELETED)", was VCC Assembly. Remove balloon callouts accordingly.

2. B.O.M., removed Assy 98 reference and quantity throughout the drawing.

3. Zone D8, removed Detail B-B and all reference.

The following 72.48 changes are not being included in this biennial update due to additional changes to the drawings that are pending regulatory approval.

DCR(L) 414-862-5A

1. Revised Delta Note 1 to read as follows: "At the option of the user, drill a 1 /16 diameter hole thru the middle of the bolt head, from the middle of one flat to the opposite flat. For a minimum of 2 bolts per assembly," WAS "Drill a 1/16 diameter hole thru the middle of the bolt head from the middle of one bolt flat to the opposite flat. Only required for 2 bolts per assembly."

2. Revised Delta Note 2 to read as follows: "At the option of the user, one circular layer of seal tape (Item I 0) may be applied on the flange of the VCC just inside the lid bolt circle." was "Apply one circular layer of seal tape on the flange of the VCC just inside the lid bolt circle."

to ED201800024 Page 7 of7 72.48 Determination ID #NAC-18-MPC-002 (continued)

DCR(L) 455-862-SA I. Revised Delta Note I to read as follows: "At the option of the user, drill a 1/16 diameter hole thru the middle of the bolt head, from the middle of one flat to the opposite flat. For a minimum of 2 bolts per assembly," WAS "Drill a 1/16 diameter hole thru the middle of the bolt head from the middle of one bolt flat to the opposite flat.

2. Revised Delta Note 2 to read as follows: "At the option of the user, one circular layer of seal tape (Item I 0) may be applied on the flange of the VCC just inside the lid bolt circle.", was "Apply one circular layer of seal tape on the flange of the VCC just inside the lid bolt circle."

3. Added note 7 to read: "Item 6 to be 1/2-13 UNC-2A x 3 1/4 LG Hex Head or 1/2-13 UNC-2A x 2 1/2 LG Hex Head."

4. B.O.M., Revised Item 6 (Lid Bolt), Description to "See Note 7", was "1/2-13 UNC-2A x 3 1/4 LG Hex Hd".

to ED20180024 Page 1 of3 List of Changes for NAC-MPC FSAR, Revision 11 (Docket No 72-1031)

NAC International April 2018

to ED20180024 Page 2 of3 List of Changes for the NAC-MPC FSAR, Revision 11 Incorporates changes for the period April 2016 -April 2018

<?~~Rt~r/Pll,g~l;,: ,

, Figu~~/T~ble, *

~

The List of Effective Pages and the Chapter Table of Contents, List of Figures and List of Tables have been revised accordingly to reflect the list of changes detailed below.

Chapter 1 Page 1.5-2 Page 1.5-6 Page 1.A.5-2 Page 1.A.5-6 DCR(L) MPC-FSAR-10A/

NAC-16-MPC-003 DCR(L) MPC-FSAR-10A/

NAC-16-MPC-003 DCR(L) MPC-FSAR-IOA/

NAC-16-MPC-003 Revised the Description of Compliance for Drawings in Table 1.5-1.

Revised the Description of Compliance for Structures, Systems, and Components Important to Safety in Table 1.5-1.

Revised the Description of Compliance for Drawings in Table 1.A.5-1.

Revised the Description of Compliance for Structures, Systems, and Components Important to Safety in Table 1.A.5-1.

Page 1.A.7.1 DCR(L) MPC-FSAR-IOB/

Updated revisions of approved drawings in Section I.A.7.

NAC-l 8-MPC-002 Chapter 2 Pages 2.3-1 thru 2.3-2 Pages 2.3-9 thru 2.3-21 Pages 2.A.3-1 thru 2.A.3-2 Pages 2.A.3-3 thru 2.A.3-4 Page 2.A.3-8 DCR(L) MPC-FSAR-IOA/

NAC-16-MPC-003 DCR(L) MPC-FSAR-10A/

NAC-16-MPC-003 DCR(L) MPC-FSAR-IOA/

NAC-J 6-MPC-003 DCR(L) MPC-FSAR-IOA/

NAC-16-MPC-003 DCR(L) MPC-FSAR-10A/

NAC-16-MPC-003 Chapter 3 - no changes Chapter 4 - no changes Chapter 5 - no changes Chapter 6 - no changes Chapter 7 - no changes Chapter 8 - no changes Modified the second paragraph and added the sixth paragraph of Section 2.3.1.

Modified Tables 2.3-1 and 2.3-2 throughout.

Modified the second paragraph and added the fifth paragraph of Section 2.A.3. I.

Text flow changes.

Modified Table 2.A.3-1 throughout.

to ED20180024 Pa e 3 of3 Chapter 9 - no changes Chapter 10 - no changes Chapter 11 - no changes Chapter 12 - no changes Chapter 13 - no changes

to ED20180024 Page 1 of2 Certification of Accuracy ofthe NAC-MPC FSAR (Docket No 72-1025)

Revision 11 NAC International April 2018

to ED20180024 Page 2 of2 NACINTERNATIONAL CERTIFICATION OF ACCURACY PURSUANT TO 10 CFR 72. 248(c)(4)(i)

George Carver (Affiant), Vice President, Engineering and Licensing, of NAC International, hereinafter referred to as NAC, at 3930 East Jones Bridge Road, Norcross, Georgia 30092, being duly sworn, deposes and certifies that:

1. Affiant has reviewed the information described in Item 2, is personally familiar with the preparation, checking and verification of that information and is authorized to certify its accuracy.

2. The information being certified as accurate includes all of the changes incorporated into the NAC-MPC Final Safety Analysis Report, Revision 11.

STATE OF GEORGIA, COUNTY OF GWINNETT Mr. George Carver, being duly sworn, deposes and says:

That he has read the foregoing affidavit and the matters stated therein are true and correct to the best of his knowledge, information and belief.

Executed at Norcross, Georgia, this q-J;Jv day of Jp,,.~L eorge Carver Vice President, Engineering and Licensing NAC International Subscribed and sworn before me this Ot.~ day of ~

~ri:.L

, 2018.

to ED20180024 Change Pages for the NAC-MPC FSAR (Docket No 72-1025)

Revision 11 Volumes 1 and 2 NAC International April 2018

ANAC ftr,sl INT E RN AT IO NA L Atlanta Corporate Headquarters: 3930 East Jones Bridge Road, Norcross, Georgia 30092 USA Phone 770-447-1144, Fax 770-447-1797, www.nacint1.com

NAC-MPC FSAR Docket No. 72-1025 April 2018 Revision 11 List of Effective Pages (continued)

Chapter I 1.5-35........................................... Revision 7 1-i................................................. Revision 5 1.5-36 thru 1.5-41........................ Revision 2 I-ii................................................ Revision 8 1.5-42 thru 1.5-43........................ Revision 9 I-iii............................................... Revision 5 1.5-44 thru 1.5-48........................ Revision 2 I-iv............................................... Revision 9 1.5-49........................................... Revision 7 1-1................................................ Revision 3 1.5-50 thru 1.5-59........................ Revision 2 1-2 thru 1-8.................................. Revision 8 1.6-1............................................. Revision 3 1.1-1 thru 1.1-2............................ Revision 8 1.6-2............................................. Revision 2 1.1-3 thru 1.1-5............................ Revision 2 1.7-1............................................. Revision 9 1.1-6............................................. Revision 0 1.7-2............................................. Revision 3 I. I-7............................................. Revision 2 1.7-3............................................. Revision 9 1.2-1............................................. Revision 8 1.2-2 thru 1.2-5............................ Revision 3 61 drawings (see Chapter 1) 1.2-6............................................. Revision 7 1.2-7 thru 1.2-9............................ Revision 3 Appendix I.A 1.2-10 thru 1.2-12........................ Revision 7 l.A-i............................................. Revision 8 1.2-13 thru 1.2-21........................ Revision 3 I.A-ii............................................ Revision 9 1.2-22........................................... Revision 9 1.A-1 thru 1.A-5........................... Revision 8 1.2-23........................................... Revision 3 l.A.1-1 thru I.A.1-6..................... Revision 8 1.3-1 thru 1.3-4............................ Revision 8 l.A.2-1 thru I.A.2-4..................... Revision 8 1.3-5 thru 1.3-6............................ Revision 5 1.A.2-5......................................... Revision 9 1.3-7 thru 1.3-10.......................... Revision 3 l.A.2-6 thru l.A.2-17................... Revision 8 1.3-11........................................... Revision 5 1.A.2-18....................................... Revision 9 1.3-12 thru 1.3-14........................ Revision 3 1.A.2-19 thru 1.A.2-20................. Revision 8 1.4-1 thru 1.4-3............................ Revision 2 1.A.2-21 thru I.A.2-22................. Revision 9 1.5-1............................................. Revision 2 1.A.3-1 thru 1.A.3-5..................... Revision 8 1.5-2........................................... Revision 11 1.A.4-1 thru 1.A.4-2..................... Revision 8 1.5-3 thru 1.5-5............................ Revision 2 l.A.5-1......................................... Revision 8 1.5-6........................................... Revision 11 l.A.5-2....................................... Revision 11 1.5-7 thru 1.5-9............................ Revision 2 1.A.5-3 thru l.A.5-5..................... Revision 8 1.5-1 O thru 1.5-11........................ Revision 7 l.A.5-6....................................... Revision 11 1.5-12 thru 1.5-22........................ Revision 2 1.A.5-7 thru 1.A.5-42................... Revision 8 1.5-23........................................... Revision 7 l.A.5-43....................................... Revision 9 1.5-24 thru 1.5-30........................ Revision 2 1.A.5-44 thru 1.A.5-48................. Revision 8 1.5-31........................................... Revision 7 l.A.5-49....................................... Revision 9 1.5-32 thru 1.5-34........................ Revision 2 Page 1 of 9

NAC-MPC FSAR Docket No. 72-1025 April 2018 Revision 11 List of Effective Pages (continued) l.A.5-50 thru l.A.5-60................. ev1s1on R

8 l.A.6-1.......................................... Revision 8 l.A.7-1........................................ Revision 11 17 MPC-LACBWR drawings (see Appendix l.A)

Chapter 2 2-i thru 2-ii.................................... Revision 8 2-iii............................................. Revision 11 2-1................................................. Revision 8 2-2................................................. Revision 2 R

3 2-3................................................. ev1s1on 2-4 thru 2-5................................... ev1s1on R..

2 2.1-1 thru 2.1-11........................... Revision 8 2.1-12 thru 2.1-20......................... Revision 3 2.2-1 thru 2.2-2............................. Revision 2 2.2-3 thru 2.2-4............................. ev1s1on R

0 2.2-5 thru 2.2-7............................. Revision 2 2.2-8.............................................. ev1s1on R

0 2.2-9 thru 2.2-11........................... ev1s1on R..

2 2.3-1 thru 2.3.2........................... ev1s1on R

11 2.3-3.............................................. Revision 0 2.3-4.............................................. Revision 7 2.3-5.............................................. Revision 0 2.3-6.............................................. ev1s1on R

3 R

2 2.3-7.............................................. ev1s1on 2.3-8.............................................. Revision 0 2.3-9 thru 2.3-21......................... ev1s1on R

11 2.4-1 thru 2.4-2............................. ev1s1on R

2 2.4-3.............................................. Revision 0 2.4-4.............................................. Revision 2 Page 2 of 9 Appendix 2.A 2.A.i thru 2.A.ii............................. Revision 8 2.A.iii.......................................... Revision 11 2.A-1............................................. Revision 8 2.A-2............................................. Revision 9 2.A-3............................................. Rev1s1on 8

2.A.1-1 thru 2.A.1-5..................... Revision 8 2.A.2-1 thru 2.A.2-2..................... Revision 8 2.A.3-1 thru 2.A.3-4................... Revision 11 2.A.3-1 thru 2.A.3-7..................... Revision 8 2.A.3-8........................................ Revision 11 2.A.4-1 thru 2.A.4-3..................... Revision 8 Chapter 3 3-i.................................................. Revision 8 3-ii............................................... Revision 10 3-i ii............................................... Revision 3 3-iv................................................ ev1s1on R

5 3-v thru 3-vii................................. Revision 3 3.1-1 thru 3.1-8............................. Revision 8 3.1.9.............................................. Revision 3 R..

2 3.2-1 thru 3.2-3............................. ev1s1on 3.3-1 thru 3.3-9............................. ev1s10n R

2 3.3-1 O...................................... Amendment 1 3.3-I I............................................ Rev1s1on 0

3.3-12 thru 3.3-14......................... Rev1s1on 2

3.4. l-1........................................... Rev1s1on 8

7 3.4.1-2........................................... Rev1s1on 3.4.1-3 thru 3.4.1-4....................... Rev1s1on 2

3.4.1-5........................................... Rev1s1on 3

3.4.1-6........................................... Rev1s1on 2

3.4.1-7......................................... Revision 10 3.4.2-1 thru 3.4.2-2....................... ev1s1on R..

2 3.4.3-1 thru 3.4.3-39..................... ev1s1on R..

2 3.4.3-40......................................... Rev1s1on 3

NAC-MPC FSAR Docket No. 72-1025 April 2018 Revision 11 List of Effective Pages (continued) 3.4.3-41 thru 3.4.3-47.................. Revision 2 3.A.2-1......................................... Revision 8 3.4.3-48........................................ Revision 4 3.A.2-2......................................... Revision 9 3.4.3-49 thru 3.4.3-55.................. Revision 2 3.A.3-1......................................... Revision 8 3.4.3-56........................................ Revision 3 3.A.4-1 thru 3.A.4-8..................... Revision 8 3.4.3-57 thru 3.4.3-71.................. Revision 2 3.A.4-9......................................... Revision 9 3.4.3-72 thru 3.4.3-73.................. Revision 5 3.A.4-10 thru 3.A.4-33................. Revision 8 3.4.4-1 thru 3.4.4-9...................... Revision 2 3.A.4-34....................................... Revision 9 3.4.4-10........................................ Revision 3 3.A.4-35....................................... Revision 8 3.4.4-11 thru 3.4.4-14.................. Revision 2 3.A.5-1......................................... Revision 8 3.4.4-15 thru 3.4.4-53.................. Revision 3 3.A.6-1 thru 3.A.6-2..................... Revision 8 3.4.4-54 thru 3.4.4-56.................. Revision 4 3.A.7-1......................................... Revision 8 3.4.4-57........................................ Revision 5 3.A.8-1......................................... Revision 8 3.4.4-58 thru 3.4.4-69.................. Revision 3 3.4.4-70 thru 3.4.4-76.................. Revision 4 Chapter 4 3.4.4-77 thru 3.4.4-98.................. Revision 3 4-i................................................. Revision 3 3.4.4-99 thru 3.4.4-101................ Revision 5 4-ii................................................ Revision 8 3.4.5-1.......................................... Revision 2 4-iii............................................... Revision 3 3.5-1............................................. Revision 2 4-iv............................................... Revision 5 3.6-1 thru 3.6-2............................ Revision 2 4-v................................................ Revision 2 3.6-3............................................. Revision 4 4-vi............................................... Revision 5 3.7-1............................................. Revision 2 4.1-1 thru 4.1-2............................ Revision 8 3.7-2............................................. Revision 9 4.1-3............................................. Revision 2 3.8-1............................................. Revision 3 4.1-4............................................. Revision 5 3.8.1-1 thru 3.8.1-4...................... Revision 0 4.1-5............................................. Revision 9 3.8.2-1 thru 3.8.2-4...................... Revision 0 4.1-6............................................. Revision 2 3.8.3-1 thru 3.8.3-2...................... Revision 2 4.1-7............................................. Revision 5 3.8.4-1 thru 3.8.4-2...................... Revision 2 4.2-1 thru 4.2-2............................ Revision 2 3.8.5-1 thru 3.8.5-2...................... Revision 9 4.2-3............................................. Revision 0 3.8.6-1 thru 3.8.6-2...................... Revision 9 4.2-4 thru 4.2-5............................ Revision 2 3.8.7-1 thru 3.8.7-2.................... Revision 10 4.2-6 thru 4.2-12.......................... Revision 0 4.3-1............................................. Revision 2 Appendix 3.A 4.4-1 thru 4.4-3............................ Revision 2 3.A-i thru 3.A.iii........................... Revision 8 4.4-4............................................. Revision 0 3.A-1............................................ Revision 8 4.4-5............................................. Revision 2 3.A.1-1 thru 3.A.1-3..................... Revision 8 4.4-6............................................. Revision 0 4.4-7........................................ Amendment 1 Page 3 of 9

NAC-MPC FSAR Docket No. 72-1025 April 2018 Revision 11 List of Effective Pages (continued) 4.4-8 thru 4.4-9............................. Revision 2 4.6-1 thru 4.6-2............................. Revision 2 4.4-1 O............................................ Revision 0 4.6-3.............................................. Revision 5 4.4-11 thru 4.4-13......................... Revision 2 4.4-14 thru 4.4-16......................... Revision 0 Appendix 4.A 4.4-17 thru 4.4-19......................... Revision 2

h 4 A * *

Revision 8 4.A-1 t ru -

-111..........................

4.4-20............................................ Revision 0 4.A.l-1.......................................... Revision 8 4.4-21 thru 4.4-22......................... Revision 2 4.A.2-1.......................................... Revision 8 4.4-23...................................... Amendment 1 R

8 4.A.3-1 thru 4.A.3-35................... ev1s1on 4.4-24 thru 4.4-25......................... Revision 2 4.A.4-1.......................................... Revision 8 4.4-26 thru 4.4-27......................... Revision 0 Chapter 5 4.4-28 thru 4.4-29......................... Revision 2 5-i thru 5-ii.................................... Revision 8 4.4-30............................................ Revision 0 5-iii thru 5-xii............................... Revision 3 4.4-31 thru 4.4-35......................... Revision 2 5.1-1 thru 5.1-2............................. Revision 8 4.4-36 thru 4.4-38................... Amendment 1 5.1.1-1 thru 5.1.1-6....................... Revision 3 4.4-39 thru 4.4-54......................... Revision 2 5.1.2-1 thru 5.1.2-4....................... Revision 2 4.4-5 5...................................... Amendment 1 5.1.2-5 thru 5.1.2-6....................... Revision 3 R

3 4.4-56 thru 4.4-61......................... ev1s1on 5.2-1.............................................. Revision 2 4.5-1.............................................. Revision 5 5.2.1-1 thru 5.2.1-17..................... Revision 3 4.5-2 thru 4.5-6............................. Revision 2 5.2.2-1........................................... Revision 3 4.5-7.............................................. Revision 3 R

. i 2

5.2.2-2 th1u 5.2.2-19..................... ev1s on 4.5-8 thru 4.5-15........................... Revision 2 5.3-1.............................................. Revision 3 4.5-16............................................ Revision 5 R

3 5.3.1-1 thru 5.3.1-26..................... ev1s1on 4.5-17 thru 4.5-21......................... Revision 2 5.3.2-1 thru 5.3.2-2....................... Revision 2 4.5-22............................................ Revision 5 5.3.2-3........................................... Revision 3 4.5-23............................................ Revision 2 R..

2 5.3.2-4 thru 5.3.2-16..................... ev1swn 4.5-24............................................ Revision 5 5.4-1.............................................. Revision 2 4.5-25 thru 4.5-26......................... Revision 2 5.4.1-1 thru 5.4.1-34..................... Revision 3 4.5-27............................................ Revision 5 R..

2 5.4.2-1 th1u 5.4.2-47..................... ev1s1on 4.5-28............................................ Revision 2 5.5-1.............................................. Revision 2 4.5-29 thru 4.5-34......................... Revision 5 5.5-2.............................................. Revision 3 4.5-35 thru 4.5-37......................... Revision 2 R

3 5.6.1-1 thru 5.6.1-71..................... ev1s1on 4.5-3 8............................................ Revision 5 R.. n 3 5.6.2-1 th1 u 5.6.2-36..................... ev1s10 4.5-39 thru 4.5-41......................... Revision 2 4.5-42 thru 4.5-47......................... Revision 5 Appendix 5.A R..

2 4.5-48 thru 4.5-51......................... ev1s1on 4.5-52.......................................,.... Revision 5 5.A-i thru 5.A-v............................ Revision 8 Page 4 of 9

NAC-MPC FSAR Docket No. 72-1025 April 2018 Revision 11 List of Effective Pages (continued) 5.A-1............................................ Revision 8 6.4.2-18 thru 6.4.2-21.................. Revision 2 5.A.1-1 thru 5.A.1-8..................... Revision 8 6.4.2-22 thru 6.4.2-23.................. Revision 3 5.A.2-1 thru 5.A.2-17................... Revision 8 6.4.2-24 thru 6.4.2-26.................. Revision 2 5.A.3-1 thru 5.A.3-15................... Revision 8 6.5-1 thru 6.5-2............................ Revision 2 5.A.4-1 thru 5.A.4-23................... Revision 8 6.5.1-1.......................................... Revision 2 5.A.5-1......................................... Revision 8 6.5.1-2 thru 6.5.1-3...................... Revision 3 5.A.6-1 thru 5.A.6-72................... Revision 8 6.5.1-4 thru 6.5.1-19.................... Revision 2 6.5.1-20........................................ Revision 3 6.5.2-1.......................................... Revision 3 6.5.2-2 thru 6.5.2-20.................... Revision 2 Chapter 6 6.6-1 thru 6.6-2............................ Revision 2

6. 7-1............................................. Revision 3 6-i thru 6-ii................................... Revision 8 6.7.1-1 thru 6.7.1-126.................. Revision2 6-iii thru 6-vi................................ Revision 3 6.7.1-127 thru 6.7.1-160.............. Revision 3 6.1-1............................................. Revision 2 6.7.2-1 thru 6.7.2-44.................... Revision 2 6.1-2............................................. Revision 8 6.1.1-1 thru 6.1.1-2...................... Revision 8 6.1.2-1 thru 6.1.2-2...................... Revision 2 Appendix 6.A 6.2-1............................................. Revision 2 6.A-i thru 6.A-iv.......................... Revision 8 6.2.1-1 thru 6.2.1-2...................... Revision 3 6.A-1............................................ Revision 8 6.2.1-3 thru 6.2.1-5...................... Revision 2 6.A.1-1 thru 6.A.1-5..................... Revision 8 6.2.1-6.......................................... Revision 3 6.A.2-1 thru 6.A.2-2..................... Revision 8 6.2.1-7.......................................... Revision 2 6.A.3-1 thru 6.A.3-19................... Revision 8 6.2.2-1.......................................... Revision 3 6.A.4-1 thru 6.A.4-28................... Revision 8 6.2.2-2 thru 6.2.2-4...................... Revision 2 6.A.5-1 thru 6.A.5-34................... Revision 8 6.3-1............................................. Revision 2 6.A.6-1........................................ Revision 8 6.3.1-1.......................................... Revision 2 6.A.7-1 thru 6.A.7-43................... Revision 8 6.3.1-2.......................................... Revision 3 6.3.1-3 thru 6.3.1-9...................... Revision 2 Chapter 7 6.3.1-10........................................ Revision 3 7-i................................................. Revision 8 6.3.2-1.......................................... Revision 3 7-ii................................................ Revision 2 6.3.2-2 thru 6.3.2-7...................... Revision 2 7-1................................................ Revision 8 6.4-1............................................. Revision 2 7.1-1............................................. Revision 3 6.4.1-1 thru 6.4.1-33.................... Revision 3

7. l -2............................................. Revision 2 6.4.2-1 thru 6.4.2-12.................... Revision 2

7. l -3............................................. Revision 7 6.4.2-13 thru 6.4.2-17.................. Revision 3 7.1-4............................................. Revision 3 Page 5 of 9

NAC-MPC FSAR Docket No. 72-1025 April 2018 Revision 11 List of Effective Pages (continued) 7.1-5 thru 7.1-10........................... Revision 2 8.A.1-8.......................................... Revision 9 7.2-1.............................................. Revision 3 8.A.1-9 thru 8.A.1-14................... Revision 8 7.2-2.............................................. Revision 7 8.A.2-1.......................................... Revision 8 7.3-1.............................................. Revision 2 8.A.3-1 thru 8.A.3-3..................... Revision 8 Appendix 7.A Chapter 9 7.A-i thru 7.A-ii............................ Revision 8 9-i.................................................. Revision 8 7.A-1............................................. Revision 8 9-1................................................. Revision 8 7.A.1-1 thru 7.A.1-6..................... Revision 8 9.1-1.............................................. Revision 2 7.A.2-1 thru 7.A.2-2..................... Revision 8 9.1-2 thru 9.1-4............................. Revision 3 7.A.3-1.......................................... Revision 8 9.1-5........ :..................................... Revision 7 7.A.4-1.......................................... Revision 8 9.1-6.............................................. Revision 9 9.l-7.............................................. Revision 8 Chapter 8 9.1-8.............................................. Revision 7 8-i.................................................. Revision 8 9.1-9 thru 9.1-10........................... Revision 9 8-ii................................................. Revision 5 9.2-1.............................................. Revision 7 8-1................................................. Revision 8 9.3-1.............................................. Revision 2 8-2................................................. Revision 2 8.1-1 thru 8.1-2............................. Revision 2 Appendix 9.A 8.1-3 thru 8.1-9............................. Revision 7 9.A-i.............................................. Revision 8 8.1-10 thru 8.1-13......................... Revision 6 9.A-1............................................. Revision 8 8.1-14............................................ Revision 7 9.A.1-1 thru 9.A.1-3..................... Revision 8 8.1-15............................................ Revision 6 9.A.2-1 thru 9.A.2-3..................... Revision 9 8.l-16............................................ Revision 5 9.A.2-4 thru 9.A.2-6..................... Revision 8 8.1-17............................................ Revision 7 9.A.3-1 thru 9.A.3-3..................... Revision 8 8.1-18 thru 8.1-19......................... Revision 5 9.A.4-1.......................................... Revision 8 8.2-1.............................................. Revision 7 8.2-2.............................................. Revision 2 Chapter 10 8.3-1.............................................. Revision 2 10-i................................................ Revision 8 8.3-2 thru 8.3-5............................. Revision 3 10-ii thru JO-iii............................. Revision 2 10.1-1 thru 10.1-2......................... Revision 8 Appendix 8.A 10.2-1 thru 10.2-2......................... Revision 3 8.A-i thru 8.A-ii............................ Revision 8 10.3-1............................................ Revision 2 8.A-1 thru 8.A-2........................... Revision 8 10.3-2............................................ Revision 7 8.A.1-1 thru 8.A.1-7..................... Revision 8 10.3-3............................................ Revision 2 Page 6 of 9

NAC-MPC FSAR Docket No. 72-1025 April 2018 Revision 11 List of Effective Pages (continued) 10.3-4........................................... Revision 3 11.1.2-6 thru 11.1.2-7.................. Revision 4 10.3-5 thru 10.3-10...................... Revision 2 11.1.3-1 thru 11.1.3-2.................. Revision 7 10.3-11......................................... Revision 3 11.1.4-1........................................ Revision 7 10.3-12 thru 10.3-14.................... Revision 2 11.1.4-2 thru 11.1.4-7.................. Revision 2 10.4-1 thru 10.4-4........................ Revision 3 11.1.5-1 thru 11.1.5-7.................. Revision2 10.4-5........................................... Revision 2 11.2-1........................................... Revision 8 10.4-6........................................... Revision 3 11.2.1-1........................................ Revision 3 10.4-7 thru 10.4-11...................... Revision 2 11.2.1-2 thru 11.2.1-3.................. Revision 2 11.2.1-4........................................ Revision 4 Appendix IO.A 11.2.1-5 thru 11.2.1-8.................. Revision 2 10.A-i thru IO.A-ii....................... Revision 8 11.2.1-9 thru 11.2.1-10................ Revision 4 1 OA-1........................................... Revision 8 11.2.2-1 thru 11.2.2-14................ Revision 2 10.A.l-1 thru 10.A.1-2................. Revision 8 11.2.2-15...................................... Revision 7 I O.A.2-1 thru 1 O.A.2-2................. Revision 8 11.2.3-1........................................ Revision 2 I O.A.3-1 thru 1 O.A.3-5................. Revision 8 11.2.3-2........................................ Revision 7 10.A.4-l thru 10.A.4-8................. Revision 8 11.2.4-1........................................ Revision 2 1 O.A.5-1....................................... Revision 8 11.2.5-1 thru 11.2.5-5.................. Revision 2 11.2.6-1 thru 11.2.6-7.................. Revision 2 11.2.6-8........................................ Revision 4 11.2.6-9........................................ Revision 7 Chapter 11 11-i............................................... Revision 7 I I-ii thru 11-iii.............................. Revision 2 11.2.7-1 thru 11.2.7-2.................. Revision 2 11-iv............................................. Revision 3 11.2.8-1 thru 11.2.8-2.................. Revision 2 11-v.............................................. Revision 8 11.2.8-3........................................ Revision 3 11-vi thru 11-vii........................... Revision 3 11.2.9-1 thru 11.2.9-5.................. Revision 2 1 ]-viii........................................... Revision 4 11.2.10-1...................................... Revision 7 11-ix thru 11-xi............................ Revision 3 11.2.10-2 thru 11.2.10-3.............. Revision 2 11-1.............................................. Revision 8 11.2.11-1 thru 11.2.11-5.............. Revision 2 11.1-1........................................... Revision 8 11.2.11-6 thru 11.2.11-8.............. Revision 4 11.1. 1 -1........................................ Revision 7 11.2.1 1-9...................................... Revision 2 1 1. 1. 1-2........................................ Revision 3 11.2.11-10.................................... Revision 4 1 1.1.2-1........................................ Revision 2 11.2. 1 1-1 1.................................... Revision 2 11.1.2-2........................................ Revision 3 1 1.2.12-1 thru 11.2. 12-6.............. Revision 2 1 1. 1.2-3........................................ Revision 2 11.2.12-7 thru 11.2. 12-15............ Revision 3 1 1.1.2-4........................................ Revision 4 11.2.12-16 thru 11.2.12-25.......... Revision 2 11.1.2-5........................................ Revision 2 11.2.12-26.................................... Revision 3 11.2.12-27 thru 11.2.12-29.......... Revision 2 Page 7 of 9

NAC-MPC FSAR Docket No. 72-1025 April 2018 Revision 11 List of Effective Pages (continued) 11.2.12-30 thru 11.2.12-58........... Revision 3 11.2.12-59 thru 11.2.12-60........... Revision 4 11.2.12-61 thru 11.2.12-68........... Revision 3 11.2.12-69 thru 11.2.12-72........... Revision 4 11.2.12-73 thru 11.2.12-88........... Revision 3 11.2.13-1 thru 11.2.13-23............. Revision 2 11.2.13-24..................................... ev1s1on R

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8 11.4.1-1 thru 11.4.1-20................. Revision 2 11.4.2-1 thru 11.4.2-3................... Revision 2 11.4.2-4 thru 11.4.2-6................... Revision 3 11.4.2-7 thru 11.4.2-10................. ev1s1on R

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11.A. 1-1 thru 11.A. 1-15............... Rev1s10n 11.A.2-l thru l l.A.2-6................. Rev1s1on 8

l 1.A.2-7 thru 1 I.A.2-56............. Revision 10 l l.A.3-l........................................ Rev1s1on 8

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9 12.C.3-27...................................... ev1s1on 12.C.3-28 thru l 2.C.3-30.............. Revision 8

NAC-MPC FSAR Docket No. 72-1025 List of Effective Pages (continued) 12.C.3-31.................................... Revision 10 l 2.C.3-32 thru 12.C.3-33............. Revision 8 12.C.3-34 thru 12.C.3-35............. Revision 5 l 2.C.3-36...................................... Revision 8 12.C.3-3 7...................................... Revision 5 12.C.3-38 thru 12.C.3-40............. Revision 8 l 2.C.3-41...................................... Revision 5 12.C.3-42 thru 12.C.3-43............. Revision 8 Chapter 13 13-i............................................... Revision 8 13.1-1 thru 13.1-2........................ Revision 8 13.2-1 thru 13.2-9........................ Revision 8 13.3-1........................................... Revision 8 Page 9 of 9 April 2018 Revision 11

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NAC-MPC FSAR Docket No. 72-1025 1.5 NAC-MPC Storage System Compliance with NUREG-1536 November 2002 Revision 2 The design of the NAC-MPC Storage System meets the regulatory requirements and acceptance criteria specified in NUREG-1536 as shown in Table 1.5-1. This table provides a compliance matrix that shows the specified regulatory requirements and acceptance criteria of NUREG-1536, and the location in the NAC-MPC Storage System Safety Analysis Report where each of the requirements or criteria are addressed.

1.5-1

NAC-MPC FSAR Docket No. 72-1025 Table 1.5-1 NUREG-1536 Compliance Matrix Chapter 1 - General Description Area Requirement Acceptance Criteria

1.

General Description and The application must present a general The applicant should provide a broad Operational Features description and discussion of the DCSS, overview and a general, non-proprietary with special attention to design and description (including illustrations) of operating characteristics, unusual or the DCSS, clearly identifying the novel design features, and principal functions of all components and safety considerations. [10 CFR Part providing a list of those components 72.24(b)]

classified by the applicant as being "important to safety."

2.

Drawings Structures, systems, and components The applicant should provide non-(SSCs) important to safety must be proprietary drawings of the storage described in sufficient detail to enable system, of sufficient detail, that an reviewers to evaluate their effectiveness.

interested party can ascertain its major

[ I O CFR Part 72.24( c )(3)]

design features and general operations.

1.5-2 April 2018 Revision 11 Description of Compliance A general description of the system is provided in Section 1.2.

Drawings of the system are provided in Section 1.7. Quality category classifications are provided in Table 2.3-1.

NAC-MPC FSAR Docket No. 72-1025 Table 1.5-1 NUREG-1536 Comp I iance Matrix ( continued)

Chapter 1 - General Description Area Requirement Acceptance Criteria

6.

Consideration of 10 CFR If the DCSS under consideration has If the DCSS under review has previously Part 71 Requirements previously been reviewed and certified been evaluated for use as a transportation Regarding Transportation for use as a transportation cask, the cask, the submittal should include the Part application must include a copy of the 71 Certificate of Compliance and Certificate of Compliance issued for the associated documents.

DCSS under 10 CFR Part 71, including drawings and other documents referenced in the certificate. r10 CFR 72.230(b)l 1.5-5 The November 2002 Revision 2 Description of Compliance transport SAR and Certificate of Compliance are discussed m Section 1.2.1.

1***

NAC-MPC FSAR Docket No. 72-1025 Table 1.5-1 NUREG-1536 Comp I iance Matrix ( continued)

Chapter 2 - Principal Design Criteria Area Requirement Acceptance Criteria

1.

Structures, Systems, and The applicant must identify all SSC that The applicant should discuss the general Components Important are important to safety, and describe the configuration of the DCSS, and should to Safety relationships of non-important to safety provide an overview of specific SSC on overall DCSS performance.

components and their intended

[IO CFR 72.24(c)(3) and 72.44(d)]

functions. In addition, the applicant should identify those components The applicant must specify the design deemed to be important to safety, and bases and criteria for all SSC that are should address the safety functions of important to safety. [IO CFR those components in terms of how they 72.24(c)(l ), 72.24( c)(2), 72.120(a), and meet the general design criteria and 72.236(b)]

regulatory requirements discussed above.

Additional information concerning specific functional requirements for individual DCSS components are addressed in the subsequent chapters of this SRP.

1.5-6 April 2018 Revision 11 Description of Compliance The quality category classification of system components are described in Table 2.3-1.

The design bases and criteria for the system are specified in Tables 2-1 and 2-2. Detailed design criteria are presented in Section 2.2.

_J

NAC-MPC FSAR Docket No. 72-1025 1.A.5 MPC-LACBWR Storage System Compliance with NUREG-1536 December 2010 Revision 8 The design of the MPC-LACBWR Storage System meets the regulatory requirements and acceptance criteria specified in NUREG-1536 as shown in Table 1.A.5-1. This table provides a compliance matrix that shows the specified regulatory requirements and acceptance criteria of NUREG-1536, and the location in the NAC-MPC Storage System Safety Analysis Report where each of the requirements or criteria are addressed.

1.A.5-1

NAC-MPC FSAR Docket No. 72-1025 Table l.A.5-1 NUREG-1536 Compliance Matrix Chapter 1 - General Description Area Requirement Acceptance Criteria

1.

General Description and The application must present a general The applicant should provide a broad Operational Features description and discussion of the DCSS, overview and a general, non-proprietary with special attention to design and description (including illustrations) of the operating characteristics, unusual or novel DCSS, clearly identifying the functions of design features, and principal safety all components and providing a list of considerations. [IO CFR Part 72.24(b )]

those components classified by the applicant as being "important to safety."

2.

Drawings Structures, systems, and components The applicant should provide non-(SSCs) important to safety must be proprietary drawings of the storage described in sufficient detail to enable system, of sufficient detail, that an reviewers to evaluate their effectiveness.

interested party can ascertain its major

[10 CFR Part 72.24(c)(3)]

design features and general operations.

1.A.5-2 April 2018 Revision 11 Description of Compliance A general description of the system is provided in Section 1.A.2.

Drawings of the system are provided in Section 1.A.7. Quality category classifications are provided in Table 2.A.3-1.

NAC-MPC FSAR Docket No. 72-1025 Table l.A.5-1 NUREG-1536 Compliance Matrix (continued)

Chapter 1 - General Description Area Requirement Acceptance Criteria

6.

Consideration of IO CFR If the DCSS under consideration has If the DCSS under review has previously Part 71 Requirements previously been reviewed and certified been evaluated for use as a transportation Regarding Transportation for use as a transportation cask, the cask, the submittal should include the Part application must include a copy of the 71 Certificate of Compliance and Certificate of Compliance issued for the associated documents.

DCSS under 10 CFR Part 71, including drawings and other documents referenced in the certificate. r10 CFR 72.230(b)l l.A.5-5 December 20 I 0 Revision 8 Description of Compliance The transport SAR and Certificate of Compliance are discussed m Section l.A.2.1.

NAC-MPC FSAR Docket No. 72-1025 Table l.A.5-1 NUREG-1536 Compliance Matrix (continued)

Chapter 2 - Principal Design Criteria Area Requirement Acceptance Criteria

1.

Structures, Systems, and The applicant must identify all SSC that The applicant should discuss the general Components Important are important to safety, and describe the configuration of the DCSS, and should to Safety relationships of non-important to safety provide an overview of specific SSC on overall DCSS performance.

components and their intended functions.

[10 CFR 72.24(c)(3) and 72.44(d)]

In addition, the applicant should identify those components deemed to be important The applicant must specify the design to safety, and should address the safety bases and criteria for all SSC that are functions of those components in terms of important to safety. [10 CFR 72.24(c)(l),

how they meet the general design criteria 72.24(c)(2), 72.120(a), and 72.236(b)]

and regulatory requirements discussed above.

Additional information concerning specific functional requirements for individual DCSS components are addressed in the subsequent chapters of this SRP.

l.A.5-6 April 2018 Revision 11 Description of Compliance The quality category classification of system components are described in Table 2.A.3-1.

The design bases and criteria for the system are specified in Table 2.A-1.

Detailed design criteria are presented in Section 2.A.2.

NAC-MPC FSAR Docket No. 72-1025 I.A.7 MPC-LACBWR License Drawings This section presents the License Drawings for the MPC-LACBWR System.

Drawing Number Title 630045-861 Weldment, Structure, Vertical Concrete Cask (VCC),

MPC-LACBWR 630045-862 Loaded Vertical Concrete Cask (VCC), MPC-LACBWR 630045-863 Lid Assembly, Vertical Concrete Cask (VCC), MPC-LACBWR 630045-864 Name Plate, Vertical Concrete Cask (VCC) MPC-LACBWR 630045-866 Reinforcing Bar and Concrete Placement, Vertical Concrete Cask (VCC), MPC-LACBWR 630045-870 Shell Weldment Canister (TSC), MPC-LACBWR 630045-871 Details TSC, MPC-LACBWR 630045-872 Assembly, Transportable Storage Canister (TSC),

MPC-LACBWR 630045-873 Assembly, Drain Tube, TSC, MPC-LACBWR 630045-877 Bottom Weldment, Fuel Basket, MPC-LACBWR 630045-878 Top Weldment, Fuel Basket, MPC-LACBWR 630045-881 Fuel Tube Assembly, MPC-LACBWR 630045-893 Support Disk, Fuel Basket, MPC-LACBWR 630045-894 Heat Transfer Disk, Fuel Basket, MPC-LACBWR 630045-895 Fuel Basket Assembly, 68 Element BWR, MPC-LACBWR 630045-901 Assembly, Damaged Fuel Can (DFC), MPC-LACBWR 630045-902 Details, Damaged Fuel Can (DFC), MPC-LACBWR April 2018 Revision 11 Revision No. of No.

Sheets 4

3 2

I 2

1 1

5 3

1 5

4 6

2 l

1 3

1 l

I 1

2 1

1 1

l 2

3 0

l 1

2 Note: The Transfer Adapter and Transfer Cask License Drawings No. 455-859 and 455-860, respectively, are included in the MPC FSAR, Section 1.7.1.

1.A.7-1

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The following drawing has been withheld as Sensitive Unclassified Non-Safeguards Information-Security-Related Information:

Drawing No. 630045-862, Revision 2

NAC-MPC FSAR Docket No. 72-1025 April 2018 Revision 11 Figure 2.1-1 Figure 2.1-2 Figure 2.1-3 Figure 2.1-4 Table 2-1 Table 2-2 Table 2.1-1 Table 2.1-2 Table 2.1-3 Table 2.1-4 Table 2.1-5 Table 2.2-1 Table 2.2-2 Table 2.2-3 Table 2.3-1 Table 2.3-2 Table 2.4-1 Table 2.4-2 List of Figures Yankee-MPC Enlarged Fuel Tube Locations.............................................. 2.1-12 Loading Diagram for CY-MPC 26 Assembly Basket................................. 2.1-13 Loading Diagram for CY-MPC 24 Assembly Basket................................. 2.1-13 CY-MPC Preferential Decay Heat Loading Diagram................................. 2.1-14 List of Tables Summary of the Yankee-MPC Design Criteria................................................ 2-2 Summary of the CY-MPC Design Criteria....................................................... 2-4 Yankee Class Fuel Parameters..................................................................... 2.1-15 Yankee-MPC Reconfigured Fuel Assembly Parameters............................. 2.1-17 Connecticut Yankee Fuel Parameters.......................................................... 2.1-18 CY-MPC Reconfigured Fuel Assembly Parameters.................................... 2.1-19 CY-MPC Damaged Fuel Can Parameters.................................................... 2.1-20 Load Combinations for the NAC-MPC Vertical Concrete Cask................... 2.2-9 Load Combinations for the Transportable Storage Canister........................ 2.2-10 Structural Design Criteria for Components Used in the Transportable Storage Canister........................................................................................... 2.2-11 Quality Category Classification of Yankee-MPC Components.................... 2.3-9 Quality Category Classification of CY-MPC Components......................... 2.3-14 Activation of the Yankee-MPC Concrete Cask and Canister........................ 2.4-4 Activation of the CY-MPC Concrete Cask and Canister............................... 2.4-4 2-iii

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NAC-MPC FSAR Docket No. 72-1025 2.3 Safety Protection Systems April 2018 Revision 11 The NAC-MPC relies upon passive systems to ensure the protection of public health and safety, except in the case of fire or explosion. As discussed in Section 2.3.6, fire and explosion events are effectively precluded by site administrative controls that prevent the introduction of flammable and explosive materials into areas where an explosion or fire could damage installed NAC-MPC systems.

The use of passive systems provides protection from mechanical or equipment failure.

2.3.1 General The NAC-MPC is designed for safe, long-term storage of spent nuclear fuel. The NAC-MPC will survive all of the evaluated normal, off-normal, and postulated accident conditions without release of radioactive material or excessive radiation exposure to workers or the general public.

The major design considerations that have been incorporated in the NAC-MPC system to assure safe long-term fuel storage are:

1. Continued confinement in postulated accidents.

2. Thick concrete and steel biological shield.

3. Passive systems that ensure reliability.

4. Inert atmosphere to provide corrosion protection for stored fuel cladding.

Each NAC-MPC system storage component is classified with respect to its safety function and corresponding effect on public safety. In accordance with Regulatory Guide 7.10, each system component is assigned a quality category classification into Category A, B, C or NQ as shown in Tables 2.3-1 and 2.3-2.

The quality category classification is based on review of each component's safety function and the assessment of the consequences of component failure following the guidelines of NUREG/CR-6407, "Classification of Transportation Packaging and Dry Spent Fuel Storage System Components According to Importance to Safety."

Category A - Components critical to safe operations whose failure or malfunction could directly result in conditions adverse to safe operations, integrity of spent fuel or public health and safety.

2.3-1

NAC-MPC FSAR Docket No. 72-1025 April 2018 Revision 11 Category B - Components with major impact on safe operations whose failure or malfunction could indirectly result in conditions adverse to safe operations, integrity of spent fuel or public health and safety.

Category C - Components whose failure would not significantly reduce the packaging effectiveness and would not likely result in conditions adverse to safe operations, integrity of spent fuel, or public health and safety.

Category NQ-Non quality components have no impact on safety.

As discussed in the following sections, the NAC-MPC design incorporates features addressing the above design considerations to assure safe operation during fuel loading, handling, and storage.

2.3.2 Protection by Multiple Confinement Barriers and Systems 2.3.2.1 Confinement Barriers and Systems The radioactivity that the NAC-MPC must confine originates from the spent fuel assemblies to be stored and residual contamination that may remain inside the canister as a result of contact with the water in the fuel pool where the canister loading is conducted.

The NAC-MPC is designed to confine the radioactive fuel. The canister is closed by welding.

The shield lid weld is pressure tested.

All of the field-installed welds are liquid penetrant examined following the root and final weld passes.

The shield lid weld is leak tested to 1.0 x 10-7 cubic centimeters per second (air). The closure of the canister structural lid, which provides a redundant closure over the shield lid and port covers, is accomplished by multi-pass welding that is tested by liquid penetrant examination on the root, intermediate and final passes.

The longitudinal and girth welds and bottom welds of the canister shell are full penetration welds that are radiographed or ultrasonically inspected during fabrication.

The canister welds are an impenetrable boundary to the release of fission gas products during the period of storage. There are no evaluated normal, off-normal, or accident conditions that result in the breach of the canister and the subsequent release of fission products.

The canister 2.3-2

NAC-MPC FSAR Docket No. 72-1025 Table 2.3-1 Quality Category Classification of Yankee-MPC Components Drawing Item Number Title No.

Component 455-861 W eldment, Structure 27 Heavy Hex Nut 26 Square Nut 25 Baffle 18-19, Outlet (4) 21-24 20 Shield Plate 17 Nelson Stud 16 Base Plate 15 Stand 13-14 Inlet ( 4) 12 Bottom 11 Shield Ring 10 Cover 4-8 Jack (Leveling) 3 Support Ring 2

Top Flange 1

Shell 455-862 Loaded Vertical Concrete Cask 14 Tab 12 Security Seal 11 Seal Wire 10 Seal Tape 9

Cover 8

Insulation 7

Washer (Lid Bolt) 6 Lid Bolt 2.3-9 Safety Function Construction Construction Heat Transfer Heat Transfer Shielding Structural Structural Structural Heat Transfer Structural Shielding Operations Operations Structural Structural Structural Operations Operations Operations Operations Operations Operations Operations Operations April 2018 Revision 11 Quality Category NQ NQ B

B B

B C

B B

B NQ C

C NQ B

B NQ B

NAC-MPC FSAR Docket No. 72-1025 Table 2.3-1 Quality Category Classification of Yankee-MPC Components (Continued)

Drawing Item Number Title No.

Component 455-863 Lid, Vertical Concrete Cask 1

Lid 455-864 Shield Plug, Vertical Concrete Cask 5

Coating System 4

NS Cover Plate 3

Neutron Shielding 2

NS Retaining Ring 1

Shield Plug 455-866 Reinforcing Bar and Concrete 25 Sealer Placement 24 Lag Bolt 23 Concrete Anchor 20 Plain Washer 19 Screen Bolt 17,21-22 Screen 16 Strip 15 Concrete Shell 1-11,30 Rebar 455-856 Nameplate 1

VCC Nameplate 455-870 Canister, Shell 3

Location Lug 2

Bottom 1

Shell 2.3-10 Safety Function Structural Operations Structural Shielding Structural Shielding Operations Operations Operations Operations Operations Operations Operations Shielding/ Structural

Structural Operations Operations Structural/ Confinement Structural/ Confinement April 2018 Revision 11 Quality Cateeory B

NO B

B B

B NO NQ NQ NQ NQ C

C B

B NQ B

A A

NAC-MPC FSAR Docket No. 72-1025 Table 2.3-1 Quality Category Classification of Yankee-MPC Components (Continued)

Drawing Item Number Title No.

Component 455-871 Details, Canister 9

Shield Lid - Damaged Fuel 8

Key 7

Port Cover (Two) 6 Valved Nipple (Two) 5 Structural Lid 4

Metal Seal Boss 3

Shield Lid 2

Spacer Ring 1

Lid Support Ring 455-872 Assembly, Transportable Storage 12 Dowel Pin Canister 11 Structural Lid Insert 10 Shield Lid Insert 455-873 Assembly, Drain Tube 3

Metal Boss Seal 2

Tube 1

Valved Nioole 455-881 PWR Fuel Tube 4,6 Flange 3

Cladding 2

BORAL 1, 5 Tubing 455-891 Bottom Weldment, Fuel Basket 6

Plate - Damaged Fuel 5

Oversized Plate 3,4 Suooort 2

Circular Pad I

Plate 2.3-11 Safety Function Shielding Operations Confinement/ Operations Operations Structural Operations Shielding Structural Structural Operations Shielding Shielding Operations Operations Operations Structural Criticality Control Criticality Control Structural/ Criticality Structural Structural Structural Structural Structural April 2018 Revision 11 Quality Category B

C B

C A

C B

B B

NO NQ NQ C

C C

A A

A

NAC-MPC FSAR Docket No. 72-1025 Table 2.3-1 Quality Category Classification of Yankee-MPC Components (Continued)

Drawing Item Number Title No.

Component 455-892 Top Weldment, Fuel Basket 5

Plate - Damaged Fuel 4

Plate Oversized 3

Support 2

Support Ring 1

Plate 455-893 Support Disk and Misc. Basket 7

Top Spacer Details 6

Split Spacer 5

Tie Rod 4

Top Nut 3

Bottom Spacer 2

Spacer 1

Plate 455-894 Heat Transfer Disk 1

Heat Transfer Disk 455-895 Fuel Basket Assembly 17 Baffle - B 16 Baffle - A 13 Flat Washer 4

Drain Tube Sleeve 455-860 Assembly, Transfer Cask 34 Hex Head Bolt 33 Strut Bracket 32 Safety Wire 31 Flat Washer 29 Door Lock Bolt 28 Dowel Pin 27 Nameplate 25 Lead Wool 26 Black Weather Resistant Paint 24 Lubricant 2.3-12 Safety Function Structural Structural Structural Structural Structural Structural Structural Structural Structural Structural Structural Structural Heat Transfer Structural Structural Structural Operations Structural Structural Operations Operations Operations Operations Operations Shielding Operations Operations April 2018 Revision 11 Quality Category A

A A

B C

B B

NQ NQ C

NQ NQ NQ NQ NQ

NAC-MPC FSAR Docket No. 72-1025 Table 2.3-1 Qua! ity Category Classification of Yankee-MPC Components (Continued)

Drawing Item Number Title No.

Component 455-860 Assembly, Transfer Cask 23 Coating System

( continued) 22 Gamma Shield Brick 17 Connector 16 Fill/ Drain Line 15 Retaining Ring Bolt 14 Retaining Ring 13 Door Lock Bolt 11-12 Shield Door 10 Door Rail 9

Top Plate 8

Neutron Shield 7

Scuff Plate 6

Trunnion Cap 5

Trunnion 4

Outer Shell 3

Gamma Shield Brick 2

Inner Shell 1

Bottom Plate YR-00-060 Yankee - Class Reconfigured Fuel I

Shell Weldment Assembly 2

Top End Fitting Assembly 3

Bottom End Fitting Assembly 4

Basket Assembly 5

Top Nozzle Bolts 6

Alignment Pin 455-913 Supplemental Shielding, VCC I

Side Plate Inlets, MPC-Yankee 2

Pipe 3

Paint 4

Shims 2.3-13 Safety Function Structural Shielding Operations Operations Operations Operations Operations Structural/Shielding Operations Structural Shielding Operations Operations Structural Structural Shielding Structural Structural Structural Structural/ Criticality Structural/ Criticality Structural/ Criticality Structural/ Criticality Operations Shielding Shielding Operations Operations April 2018 Revision 11 Quality Category NQ B

C C

B B

C B

B B

B C

B B

A A

A C

B B

NO NQ

NAC-MPC FSAR Docket No. 72-1025 Table 2.3-1 Quality Category Classification of Yankee-MPC Components (Continued)

Drawing Item Number Title No.

Component 455-902 Damaged Fuel Can I

Screen Cover Plate 2

Lid Plate 3

Lid Guide 4

Wiper 5

Lid Bottom 6

Filter Screen.

7 Backing Screen 8

Bottom Plate 9

Side Plate 10 Tube Body 12 Lift Tee 13 Support Ring 14 Filter Screen 15 Backing Screen 16 Dowel Pin 455-918 Door Stop, MPC-Yankee 6

Attachment Screw 5

Lock Pin 4

handle 3

Back Plate 2

Top Plate I

Bottom Plate 455-919 Retainer, United Nuclear Test Assy.,

I Lower Tab MPC-Yankee 2

Sleeve 3

Lifting Plate 4

Gusset 5

Rin_g 2.3-14 Safety Function Structural Structural/Criticality Operations Operations Structural/Criticality Operations Operations Structural/Criticality Structural/Criticality Structural/Criticality Structural Structural Operations Operations Operations Operations Operations Operations Operations Operations Operations Structural Structural Structural Structural Structural April 2018 Revision 11 Quality Category A

A C

C A

C C

A A

A B

B C

C C

NQ NQ NQ NQ NQ NQ A

A A

NAC-MPC FSAR Docket No. 72-1025 Table 2.3-2 Quality Category Classification of CY-MPC Components Drawing Item Number Title No.

Component 414-856 Nameplate, Vertical Concrete Cask 2

Black Weather Resistant Paint (VCC) 1 VCC Nameplate 414-860 Assembly, Transfer Cask (TFR) 27 Dowel Pin 26 Nameplate 25 Lead Wool 24 Black Weather Resistant Paint 23 Spent Fuel Pool Compatible Lubricant 22 Coating System 21 Fill/Drain Line Pipe 20 Fill/Drain Line Plate 17 Connector 15 Retaining Ring Bolt 14 Retaining Ring 13 Door Lock Bolt 12 Shield Door B 11 Shield Door A 10 Door Rail 9

Top Plate 8

Neutron Shield 7

Scuff Plate 6

Trunnion Cap 5

Trunnion 4

Outer Shell 3

Gamma Shield Brick 2

Inner Shell 1

Bottom Plate 2.3-15 Safety Function Operations Operations Operations Operations Shielding Operations Operations Operations Operations Operations Operations Structural Structural Operations Shielding Shielding Shielding/Structural Structural Shielding Operations Operations Structural Structural Shielding Structural Structural April 2018 Revision 11 Quality Category NQ NQ NQ NQ NQ NQ NQ NQ C

C C

B B

C B

B B

NQ NQ B

B B

NAC-MPC FSAR Docket No. 72-1025 Table 2.3-2 Quality Category Classification of CY-MPC Components (Continued)

Drawing Item Number Title No.

Component 414-861 Weldment Structure, Vertical 31 Paint Concrete Cask (VCC) 30 Primer 29 Lifting Nut 28 Dowel Pins 27 Cover 26 Square Nut 25 Baffle 21-24 Outlet (4) 20 Shield Plate 19 Top 18 Bottom 17 Nelson Stud 16 Base Plate 15 Stand 13-14 Inlet(4) 12 Bottom 11 Shield Ring 10 Cover 4-8 Jack (Leveling) 3 Suooort Ring 2

Too Flange 1

Shell 414-862 Loaded Vertical Concrete Cask (VCC) 11 Seal Wire 10 Seal Tape 7

Washer 6

Lid Bolt 3

Security Seal 2.3-16 Safety Function Structural Structural Operations Structural Structural Operations Heat Transfer Heat Transfer Shielding Heat Transfer Heat Transfer Structural Structural Structural Heat Transfer Structural Shielding Operations Operations Structural Structural Structural Operations Operations Operations Operations Operations April 2018 Revision 11 Quality Category NQ NQ NQ NQ B

NQ B

B B

B NQ B

B B

NQ NQ NQ B

NQ

NAC-MPC FSAR Docket No. 72-1025 Table 2.3-2 Quality Category Classification of CY-MPC Components (Continued)

Drawing Item Number Title No.

Component 414-863 Lid, Vertical Concrete Cask (VCC) 3 Paint 2

Primer 1

Lid 414-864 Shield Plug, Vertical Concrete Cask 9

Paint (VCC) 8 Primer 7

Center Boss 6

Neutron Shield (NS-3) 5 Neutron Shield (NS-4-FR) 4 Lifting Boss 3

Cover 2

Ring 1

Shield Plug Plate 414-866 Reinforcing Bar and Concrete 31 Concrete Anchor Placement, Vertical Concrete Cask 30 Screen (VCC) 29 Retainer Plate 28 Washer 27 Screen Bolt 26 Concrete Anchor 25 Sealer 24 Lag Screw 23 Flat Washer 22 Concrete Anchor 19 Screen Bolt 17 Strip 16 Screen 15 Concrete Shell 1-11 Rebar 2.3-17 Safety Function Structural Structural Structural Structural Structural Shielding Shielding Shielding Shielding Shielding Shielding Shielding Operations Operations Operations Operations Operations Operations Operations Operations Operations Operations Operations Operations Operations Structural Structural April 2018 Revision 11 Quality Category NQ NO B

NQ NQ NQ B

B NQ B

B B

NQ C

NQ NQ NQ NQ NQ NQ NQ NQ NQ C

C B

B

NAC-MPC FSAR Docket No. 72-1025 Table 2.3-2 Quality Category Classification of CY-MPC Components (Continued)

Drawing Item Number Title No.

Component 414-870 Canister Shell 4

Yellow Paint 3

Location Lug 2

Bottom 1

Shell 414-871 Details, Canister 10 Black Paint 9

Lubricant 8

Seal 7

Port Cover 6

Valved Nipple 5

Structural Lid 4

Key 3

Shield Lid 2

Backing Ring 1

Lid Suooort Ring 414-872 Assembly, Transportable Storage 14 Lubricant Canister (TSC) 13 Dowel Pin 11 Structural Lid Insert JO Shield Lid Insert 414-873 Drain Tube Assembly 3

Seal 2

Tube I

Valved Nipple 414-881 Fuel Tube, Transportable Storage 4

Flange Canister (TSC) 3 Cladding 2

Neutron Poison I

Tubing 2.3-18 Safety Function Operations Structural Operations Structural/ Confinement Operations Operations Operations Confinement/ Operations Operations Structural Operations Shielding Structural Structural Operations Operations Shielding Shielding Operations Operations Operations Structural Criticality Control Criticality Control Structural/ Criticality April 2018 Revision 11 Quality Category NQ C

A A

NQ NQ C

B C

A C

B C

B NQ NQ NQ NQ C

C C

A A

NAC-MPC FSAR Docket No. 72-1025 Table 2.3-2 Quality Category Classification of CY-MPC Components (Continued)

Drawing Item Number Title No.

Component 414-882 Oversize Fuel Tube, Transportable 4

Flange Storage Canister (TSC) 3 Cladding 2

Neutron Poison 1

Tubing 414-891 Bottom Weldment, Fuel Basket 3-6 Support 2

Circular Pad 1

Plate 414-892 Top Weldment, Fuel Basket 7

Shield Baffle 6

Plate 5

Baffle 4

Baffle 3

Support 2

Support Ring 1

Plate 414-893 Support Disk and Misc. Basket Details 7

Washer 6

Split Spacer 5

Tie Rod 4

Top Nut 3

Top Spacer 2

Bottom Spacer 1

Support Disk 414-894 Heat Transfer Disk, Fuel Basket 1

Heat Transfer Disk 414-895 Fuel Basket Assembly 4

Drain Tube Sleeve 15 Lubricant 2.3-19 Safety Function Structural Criticality Control Criticality Control Structural/Criticality Structural Structural Structural Operations Structural Structural Structural Structural Structural Structural Structural Structural Structural Structural Structural Structural Structural Heat Transfer Operations Operations April 2018 Revision 11 Quality Category A

A A

C A

C C

A A

A C

A A

B C

NQ

NAC-MPC FSAR Docket No. 72-1025 Table 2.3-2 Quality Category Classification of CY-MPC Components (Continued)

Drawing Item Number Title No.

Component 414-902 Details, Damaged Fuel Assembly Can 16 Dowel Pin 13 Lid Bottom 12 Support Ring 11 Lift Tee 9

Tube Bodv 8

Side Plate 7, 15 Backing Screen 6, 14 Filter Screen 5

Bottom Plate 4

Wiper 3

Lid Guide 2

Lid Plate I

Collar 414-903 Reconfigured Fuel Assembly 17 Suooort Grid 16 Hex Head Bolt 10 Stand Off Pin 9

Backing Screen 8

Filter Screen 5

Tube 4

Comer Angle 414-904 Details, Reconfigured Fuel Assembly 8

Screen Housing 7

Screen Ring 6

Rod Retaining Plate 5

Guide Plate 4

Top Housing 3

Retaining Ring 2

Retaining Plate I

Bottom Housing 2.3-20 Safety Function Operations Structural Structural/Operations Structural/Operations Structural Structural Confinement Confinement Structural Operations/Containment Operations Structural Operations Structural Operations Operations Confinement Confinement Structural Structural Structural Structural Structural Structural Structural Structural Structural Structural April 2018 Revision 11 Quality Category C

A B

B A

A C

C A

C C

A C

B C

C C

C A

A A

C A

A A

A

NAC-MPC FSAR Docket No. 72-1025 Table 2.3-2 Quality Category Classification of CY-MPC Components (Continued)

Drawing Item Number Title No.

Component 414-917 Door Stop, CY-MPC 6

Attachment Screw 5

Lock Pin 4

handle 3

Back Plate 2

Top Plate I

Bottom Plate 2.3-21 Safety Function Operations Operations Operations Operations Operations Operations April 2018 Revision 11 Quality Category NQ NQ NQ NQ NQ NQ

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MPC-LACBWR FSAR Docket No. 72-1025 List of Figures April 2018 Revision 11 Figure 2.A.1-1 Loading Diagram for MPC-LACBWR Fuel Basket.................................. 2.A.1-4 List of Tables Table 2.A-1 Summary of the MPC-LACBWR Design Criteria....................................... 2.A-2 Table 2.A.1-1 LACB WR Fuel Parameters........................................................................ 2.A.1-5 Table 2.A.3-1 Quality Category Classification ofMPC-LACBWR Components........... 2.A.3-8 Table 2.A.4-1 Activation of the MPC-LACBWR Concrete Cask and Canister............... 2.A.4-3 2.A-iii

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MPC-LACBWR FSAR Docket No. 72-1025 2.A.3 Safety Protection Systems April 2018 Revision 11 The MPC-LACBWR relies upon passive systems to ensure the protection of public health and safety, except in the case of fire or explosion. As discussed in Section 2.3.6 of the MPC FSAR, fire and explosion events are effectively precluded by site administrative controls that prevent the introduction of flammable and explosive materials into areas where an explosion or fire could damage installed NAC-MPC systems. Quantities of transient combustibles are controlled to ensure that the design bases are not violated. The use of passive systems provides protection from mechanical or equipment failure.

2.A.3.1 General The MPC-LACBWR is designed for safe, long-term storage of spent nuclear fuel. The MPC-LACBWR will survive all of the evaluated normal, off-normal, and postulated accident conditions without release of radioactive material or excessive radiation exposure to workers or the general public. The major design considerations that have been incorporated in the MPC-LACBWR system to assure safe long-term fuel storage are:

1. Continued confinement in postulated accidents.

2. Thick concrete and steel biological shield.

3. Passive systems that ensure reliability.

4. Inert atmosphere to provide corrosion protection for stored fuel cladding.

Each MPC-LACBWR system storage component is classified with respect to its safety function and corresponding effect on public safety. In accordance with Regulatory Guide 7.10, each system component is assigned a quality category classification into Category A, B, C or NQ as shown in Table 2.A.3-1.

The quality category classification is based on review of each component's safety function and the assessment of the consequences of component failure following the guidelines of NUREG/CR-6407, "Classification of Transportation Packaging and Dry Spent Fuel Storage System Components According to Importance to Safety."

Category A - Components critical to safe operations whose failure or malfunction could directly result in conditions adverse to safe operations, integrity of spent fuel or public health and safety.

2.A.3-1

MPC-LACBWR FSAR Docket No. 72-1025 April 2018 Revision 11 Category B - Components with major impact on safe operations whose failure or malfunction could indirectly result in conditions adverse to safe operations, integrity of spent fuel or public health and safety.

Category C - Components whose failure would not significantly reduce the packaging effectiveness and would not likely result in conditions adverse to safe operations, integrity of spent fuel, or public health and safety.

Category NQ - Non quality components have no impact on safety.

As discussed in the following sections, the MPC-LACBWR design incorporates features addressing the above design considerations to assure safe operation during fuel loading, handling, and storage.

2.A.3.2 Protection by Multiple Confinement Barriers and Systems 2.A.3.2.1 Confinement Barriers and Systems The radioactivity that the MPC-LACBWR must confine originates from the LACBWR spent fuel assemblies to be stored and residual contamination that may remain inside the canister as a result of contact with the water in the fuel pool where the canister loading is conducted.

The MPC-LACBWR is designed to confine the radioactive fuel.

The canister is closed by welding. The closure lid weld is pressure tested.

The closure lid weld is liquid penetrant examined following the root, intermediate, and final weld passes.

A closure ring provides redundant closure to the closure lid. The closure lid inner port covers and outer port covers, which provide a redundant closure for the confinement boundary, are sealed by welding and are liquid penetrant examined on the root and/or final surface. The inner port cover is leak tested to 1.0 x 10-7 cm3/s (air). The canister shell is leak tested at fabrication to 1.0 x 10-7 cm3/s (air). The longitudinal and girth welds, and bottom welds of the canister shell are full penetration welds.

The longitudinal and girth welds are radiographically inspected during fabrication. The bottom weld is ultrasonically inspected during fabrication.

The canister welds are an impenetrable boundary to the release of fission gas products during the period of storage. There are no evaluated normal, off-normal, or accident conditions that result in the breach of the canister and the subsequent release of fission products. The canister is designed to withstand a postulated drop accident in a transportation cask without precluding the subsequent removal of the fuel (i.e., the fuel tubes do not deform such that they bind the fuel).

2.A.3-2

MPC-LACBWR FSAR Docket No. 72-1025 April 2018 Revision l 1 Personnel radiation exposure during handling and closure of the canister is minimized by the following steps:

2.A.3.3

1. Placing the closure lid on the canister while the transfer cask and canister are under water in the fuel pool.

2. Decontaminating the exterior of the transfer cask prior to draining the canister to preserve the shielding benefit of the water.

3. Using temporary shielding.

4. Using a retaining ring on the transfer cask to ensure that the canister is not raised out of the shield provided by the transfer cask.

Protection by Equipment and Instrumentation Selection The MPC-LACBWR is a passive storage system that does not rely on equipment or instruments to preserve public health or safety and to meet its safety functions in long-term storage. The system employs support equipment and instrumentation to facilitate operations. These items and the actions taken to assure performance are described in the following sections.

2.A.3.3.l Equipment The only important-to-safety equipment employed in the use and operation of the MPC-LACBWR is the lifting yoke used to lift the transfer cask. The transfer cask lifting yoke is designed to meet the requirements of ANSI N14.6 and NUREG-0612. It is single failure-proof by design. The lifting yoke is proof load tested to 300 percent of design load when fabricated.

The lifting yoke is inspected for visible defects prior to each use and is inspected annually.

Additional handling equipment (such as trailers, skids, air pads, portable cranes, or cask transporters) are not important to safety as the MPC-LACBWR system is designed to withstand the failure of any of these components.

2.A.3.3.2 Instrumentation No instrumentation is required for the safe storage operations of the MPC-LACBWR. A remote temperature-monitoring system may be used to measure the outlet air temperature of the concrete 2.A.3-3

MPC-LACBWR FSAR Docket No. 72-1025 April 2018 Revision 11 casks in long-term storage. The outlet and ISFSI ambient air temperatures can be monitored daily as a verification of the continuing thermal performance of the concrete cask. Alternately, a daily visual inspection for blockage and integrity of the air inlet and air outlet screens of all concrete casks. may be performed.

Following any natural phenomena event, such as an earthquake or tornado, the concrete casks shall be inspected for damage and air inlet and air outlet blockage.

2.A.3.4 Nuclear Criticality Safety The primary nuclear criticality safety design criterion of the MPC-LACBWR is to provide features that ensure that the cask remains subcritical under normal, off-normal, and accident conditions. Neutron absorber sheets (BORAL) are employed in the basket design to capture thermalized neutrons, and preclude uncontrolled fission events. BORAL sheets are attached to the side of fuel tubes to have each fuel assembly separated from the adjacent assembly by at least one neutron absorber sheet. Fuel tubes containing damaged fuel cans (DFCs) have additional absorber sheets attached to provide flux traps, two absorber sheets, between assemblies. The BORAL sheets are mechanically supported by the fuel tube structure to ensure that the absorber sheets remain in place during the design basis normal, off-normal, and accident events.

The efficiency of the BORAL sheets in preserving nuclear criticality safety for the MPC-LACBWR is demonstrated by the Criticality Evaluation presented in Appendix A of Chapter 6.

2.A.3.4.1 Error Contingency Criterion The design of the canister and fuel basket for the MPC-LACBWR is such that, under all conditions, the highest neutron multiplication factor (ken) will be less than 0.95. The criticality evaluation for the design basis fuel is presented in Section 6.A.4. Assumptions made in the analyses used to demonstrate conformance to this criterion include:

1. Most reactive fuel assembly type with maximum 235U loading;

2. 75 percent of the nominal 10B loading in the BORAL;

3. Infinite storage cask array of casks;

4. No structural material present in the assembly;

5. No credit taken for boron in the cask cavity or surrounding loading or storage area (BWR facilities typically do not contain borated pools); and 2.A.3-4

MPC-LACBWR FSAR Docket No. 72-1025 2.A.3.5.4 Radiological Alarm Systems December 2010 Revision 8 There are no radiological alarms required on the MPC-LACBWR.

Justification for this is provided in analysis in Chapters 5.0 (Shielding Evaluation), 10.0 (Radiation Protection), and 11.0 (Accident Analysis).

Typically, total radiation exposure due to the ISFSI installation is determined by the use of Thermo-Luminescent Detectors (TLDs) mounted at convenient locations at the ISFSI.

The TLDs are read periodically to provide a record of boundary dose.

2.A.3.6 Fire and Explosion Protection Fire and explosion protection of the MPC-LACBWR is primarily provided by administrative controls applied at the site, which preclude the introduction of any explosive and any excessive flammable materials into the ISFSI area.

2.A.3.6.1 Fire Protection A major ISFSI fire is not considered credible, since there is very little material near the casks that could contribute to a fire. The concrete cask is largely impervious to incidental thermal events.

Administrative controls will be put in place to ensure that the presence of combustibles is minimized. A hypothetical fire event is evaluated as an accident condition in Section 11.2.5 of the MPC-FSAR.

2.A.3.6.2 Explosion Protection The cask and associated systems are analyzed to ensure their proper function under an overpressure condition. As described in Section 11.2.3 of the MPC-FSAR, in the evaluated 22 psig over pressure condition, stresses in the canister remain below allowable limits and there is no loss of confinement. These results are conservative as the canister is protected from direct over-pressure conditions by the concrete storage cask.

For the same reasons as the fire condition, a severe explosion on an ISFSI site is not considered credible. The evaluated over-pressure is considered to bound any explosive over pressure resulting from an industrial explosion at the boundary of the owner-controlled area.

2.A.3-7

MPC-LACBWR FSAR Docket No. 72-1025 April 2018 Revision 11 Table 2.A.3-1 Quality Category Classification of MPC-LACBWR Components Component Description Reference Drawings Safety Quality Function Category TSC Assembly 630045-872 Shell and Base Plate 630045-870 Structural and A

Closure Lid/Port Covers 630045-871 Confinement 630045-871 Fuel Basket Assembly 630045-895 Basket Weldments 630045-877 and 630045-878 Fuel Tube Assemblies/Neutron 630045-881 Criticality, Absorbers Structural and A

Damaged Fuel Can 630045-901 and Thermal 630045-902 Support Disk 630045-893 Heat Transfer Disk 630045-894 Transfer Cask Assembly 455-860 Trunnions Inner and Outer Shells Structural, Shield Doors and Rails Shielding and B

Lead Gamma Shield Operations Neutron Shield Adapter Plate Assembly 455-859 Base Plate Door Rails Operations NQ Hydraulic Operating System and Shielding Side Shields Concrete Cask Assembly 630045-862 Structural Weldments and Base 630045-861 Structural, Plate Shielding, B

Lid Assembly 630045-863 Operations Reinforcing Bars/Concrete 630045-866 and Thermal 2.A.3-8

ANAC ffffl I NTE RNATIO NAL Atlanta Corporate Headquarters: 3930 East Jones Bridge Road, Norcross, Georgia 30092 USA Phone 770-447-1144, Fax 770-447-1797, www.nacintl.com

NAC-MPC FSAR Docket No. 72-1025 April 2018 Revision 11 List of Effective Pages (continued)

Chapter 1 1.5-35........................................... Revision 7 1-i................................................. Revision 5 1.5-36 thru 1.5-41........................ Revision 2 1-ii................................................ Revision 8 1.5-42 thru 1.5-43........................ Revision 9 1-iii............................................... Revision 5 1.5-44 thru 1.5-48........................ Revision 2 I-iv............................................... Revision 9 1.5-49........................................... Revision 7 1-1................................................ Revision 3 1.5-50 thru 1.5-59........................ Revision 2 1-2 thru 1-8.................................. Revision 8 1.6-1............................................. Revision 3 1.1-1 thru 1.1-2............................ Revision 8 1.6-2............................................. Revision 2 1.1-3 thru 1.1-5............................ Revision 2 1.7-1............................................. Revision 9 1.1-6............................................. Revision 0 1.7-2............................................. Revision 3 1.1-7............................................. Revision 2 1.7-3............................................. Revision 9 1.2-1............................................. Revision 8 1.2-2 thru 1.2-5............................ Revision 3 61 drawings (see Chapter 1) 1.2-6............................................. Revision 7 1.2-7 thru 1.2-9............................ Revision 3 Appendix l.A 1.2-10 thru 1.2-12........................ Revision 7 l.A-i............................................. Revision 8 1.2-13 thru 1.2-21........................ Revision 3 1.2-22........................................... Revision 9 1.A-ii............................................ Revision 9 l.A-1 thru l.A-5........................... Revision 8 1.2-23........................................... Revision 3 J.A. 1-1 thru l.A.1-6..................... Revision 8 1.3-1 thru 1.3-4............................ Revision 8 l.A.2-1 thru l.A.2-4..................... Revision 8 1.3-5 thru 1.3-6............................ Revision 5 J.A.2-5......................................... Revision 9 1.3-7 thru 1.3-10.......................... Revision 3 l.A.2-6 thru J.A.2-17................... Revision 8 1.3-11........................................... Revision 5 l.A.2-18....................................... Revision 9 J.3-12 thru 1.3-14........................ Revision 3 l.A.2-19 thru 1.A.2-20................. Revision 8 1.4-1 thru 1.4-3............................ Revision 2 J.A.2-2 J thru J.A.2-22................. Revision 9 1.5-1............................................. Revision 2 J.A.3-1 thru J.A.3-5..................... Revision 8 J.5-2........................................... Revision 1 1 l.A.4-1 thru 1.A.4-2..................... Revision 8 1.5-3 thru 1.5-5............................ Revision 2 1.A.5-1......................,.................. Revision 8 1.5-6........................................... Revision 11 1.A.5-2....................................... Revision 11 1.5-7 thru 1.5-9............................ Revision 2 I.A.5-3 thru 1.A.5-5..................... Revision 8 1.5-10 thru 1.5-11........................ Revision 7 1.A.5-6....................................... Revision 11 1.5-12 thru 1.5-22........................ Revision 2 l.A.5-7 thru 1.A.5-42................... Revision 8 1.5-23........................................... Revision 7 l.A.5-43....................................... Revision 9 1.5-24 thru 1.5-30........................ Revision 2 l.A.5-44 thru l.A.5-48................. Revision 8 1.5-31........................................... Revision 7 1.5-32 thru 1.5-34........................ Revision 2 l.A.5-49....................................... Revision 9 Page 1 of 9

NAC-MPC FSAR Docket No. 72-1025 April 2018 Revision 11 List of Effective Pages (continued) l.A.5-50 thru l.A.5-60................. Revision 8 l.A.6-1.......................................... Revision 8 l.A.7-1........................................ Revision 11 17 MPC-LACBWR drawings (see Appendix I.A)

Chapter 2 2-i thru 2-ii.................................... Revision 8 2-iii............................................. Revision 11 2-1................................................. Revision 8 R

2 2-2................................................. ev1s1on R

3 2-3................................................. ev1s1on 2-4 thru 2-5................................... ev1s1on R..

2 2.1-1 thru 2.1-11........................... ev1s1on R

8 2.1-12 thru 2.1-20......................... Revision 3 R..

2 2.2-1 thru 2.2-2............................. ev1s1on 2.2-3 thru 2.2-4............................. Revision 0 R..

2 2.2-5 thru 2.2-7............................. ev1s1on 2.2-8.............................................. Revision 0 R..

2 2.2-9 thru 2.2-11........................... ev1s10n 2.3-1 thru 2.3.2........................... ev1s10n R

11 2.3-3.............................................. Revision 0 2.3-4.............................................. Revision 7 2.3-5.............................................. Revision 0 2.3-6.............................................. Revision 3 2.3-7.............................................. Revision 2 2.3-8.............................................. Revision 0 2.3-9 thru 2.3-21......................... ev1s1on R

11 R..

2 2.4-1 thru 2.4-2............................. ev1s1on 2.4-3.............................................. Revision 0 2.4-4.............................................. ev1s1011 R

2 Page 2 of 9 Appendix 2.A 2.A.i thru 2.A.ii............................. Revision 8 2.A.iii.......................................... Revision 11 2.A-1............................................. ev1s1on R

8 2.A-2............................................. Revision 9 2.A-3............................................. ev1s1on R

8 2.A.1-1 thru 2.A.1-5..................... Revision 8 2.A.2-1 thru 2.A.2-2..................... Revision 8 2.A.3-1 thru 2.A.3-4................... Revision 11 2.A.3-1 thru 2.A.3-7..................... Rev1s10n 8

2.A.3-8........................................ Revision 11 2.A.4-1 thru 2.A.4-3..................... Revision 8 Chapter 3 3-i.................................................. Revision 8 3-ii............................................... Revision I 0 3-iii............................................... Revision 3 3-iv................................................ ev1s1on R..

5 3-v thru 3-vii................................. ev1s1on R

3 3.1-1 thru 3.1-8............................. Revision 8 3.1.9.............................................. ev1s1on R

3 R..

2 3.2-1 thru 3.2-3.............................. ev1s1on 3.3-1 thru 3.3-9............................. ev1s1on R..

2 3.3-1 O...................................... Amendment I 3.3-11............................................ ev1s1on R

0 3.3-12 thru 3.3-14......................... Revision 2 3.4.l-l........................................... Rev1s1on 8

3.4.1-2........................................... Revision 7 3.4.1-3 thru 3.4.1-4....................... ev1s1on R

2 3.4.1-5........................................... Rev1s1on 3

3.4.1-6........................................... ev1s1on R

2 3.4.1-7......................................... Revision 10 3.4.2-1 thru 3.4.2-2....................... ev1s1on R

2 3.4.3-1 thru 3.4.3-39..................... Revision 2 3.4.3-40......................................... ev1s1on R

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NAC-MPC FSAR Docket No. 72-1025 April 2018 Revision 11 List of Effective Pages (continued) 3.4.3-41 thru 3.4.3-47.................. Revision 2 3.A.2-1......................................... Revision 8 3.4.3-48........................................ Revision 4 3.A.2-2......................................... Revision 9 3.4.3-49 thru 3.4.3-55.................. Revision 2 3.A.3-1......................................... Revision 8 3.4.3-56........................................ Revision 3 3.A.4-1 thru 3.A.4-8..................... Revision 8 3.4.3-57 thru 3.4.3-71.................. Revision 2 3.A.4-9......................................... Revision 9 3.4.3-72 thru 3.4.3-73.................. Revision 5 3.A.4-10 thru 3.A.4-33................. Revision 8 3.4.4-1 thru 3.4.4-9...................... Revision 2 3.A.4-34....................................... Revision 9 3.4.4-10........................................ Revision 3 3.A.4-35....................................... Revision 8 3.4.4-11 thru 3.4.4-14.................. Revision 2 3.A.5-1......................................... Revision 8 3.4.4-15 thru 3.4.4-53.................. Revision 3 3.A.6-1 thru 3.A.6-2..................... Revision 8 3.4.4-54 thru 3.4.4-56.................. Revision 4 3.A.7-1......................................... Revision 8 3.4.4-57........................................ Revision 5 3.A.8-1......................................... Revision 8 3.4.4-58 thru 3.4.4-69.................. Revision 3 3.4.4-70 thru 3.4.4-76.................. Revision 4 Chapter 4 3.4.4-77 thru 3.4.4-98.................. Revision 3 4-i................................................. Revision 3 3.4.4-99 thru 3.4.4-101................ Revision 5 4-ii................................................ Revision 8 3.4.5-1.......................................... Revision 2 4-iii............................................... Revision 3 3.5-1............................................. Revision 2

4-iv............................................... Revision 5 3.6-1 thru 3.6-2............................ Revision 2 4-v................................................ Revision 2 3.6-3............................................. Revision 4 4-vi............................................... Revision 5 3.7-1............................................. Revision 2 4.1-1 thru 4.1-2............................ Revision 8 3.7-2............................................. Revision 9 4.1-3............................................. Revision 2 3.8-1............................................. Revision 3 4.1-4............................................. Revision 5 3.8.1-1 thru 3.8.1-4...................... Revision 0 4.1-5............................................. Revision 9 3.8.2-1 thru 3.8.2-4...................... Revision 0 4.1-6............................................. Revision 2 3.8.3-1 thru 3.8.3-2...................... Revision 2 4.1-7............................................. Revision 5 3.8.4-1 thru 3.8.4-2...................... Revision 2 4.2-J thru 4.2-2............................ Revision 2 3.8.5-1 thru 3.8.5-2...................... Revision 9 4.2-3............................................. Revision 0 3.8.6-1 thru 3.8.6-2...................... Revision 9 4.2-4 thru 4.2-5............................ Revision 2 3.8.7-1 thru 3.8.7-2.................... Revision 10 4.2-6 thru 4.2-12.......................... Revision 0 4.3-1............................................. Revision 2 Appendix 3.A 4.4-1 thru 4.4-3............................ Revision 2 3.A-i thru 3.A.iii........................... Revision 8 4.4-4............................................. Revision 0 3.A-1............................................ Revision 8 4.4-5............................................. Revision 2 3.A.1-1 thru 3.A.1-3..................... Revision 8 4.4-6............................................. Revision 0 4.4-7........................................ Amendment 1 Page 3 of 9

NAC-MPC FSAR Docket No. 72-1025 April 2018 Revision 11 List of Effective Pages (continued) 4.4-8 thru 4.4-9............................. Revision 2 4.6-1 thru 4.6-2............................. Revision 2 4.4-1 O............................................ Revision 0 4.6-3.............................................. Revision 5 4.4-11 thru 4.4-13......................... Revision 2 R..

0 4.4-14thru4.4-16......................... ev1s1on Appendix 4.A 4.4-17 thru 4.4-19......................... Revision 2 4.A-i thru 4-A-iii.......................... Revision 8 4.4-20............................................ Revision 0 4.A.l-1.......................................... Revision 8 4.4-21 thru 4.4-22......................... Revision 2 4.A.2-1.......................................... Revision 8 4.4-23...................................... Amendment 1 4.A.3-1 thru 4.A.3-35................... Revision 8 4.4-24 thru 4.4-25......................... Revision 2 4.A.4-1.......................................... Revision 8 R

0 4.4-26 thru 4.4-27......................... ev1s1on 4.4-28 thru 4.4-29......................... Revision 2 Chapter 5 5-i thru 5-ii.................................... Revision 8 4.4-30............................................ Revision 0 5-iii thru 5-xii............................... Revision 3 4.4-31 thru 4.4-35......................... Revision 2 5.1-1 thru 5.1-2............................. Revision 8 4.4-36 thru 4.4-38................... Amendment 1 5.1.1-1 thru 5.1.1-6....................... Revision 3 4.4-39 thru 4.4-54......................... Revision 2 5.1.2-1 thru 5.1.2-4....................... ev1s1on R

2 4.4-55...................................... Amendment 1 5.1.2-5 thru 5.1.2-6....................... Revision 3 4.4-56 thru 4.4-61......................... Revision 3 5.2-1.............................................. Revision 2 4.5-1.............................................. Revision 5 5.2.1-1 thru 5.2.1-17..................... Revision 3 4.5-2 thru 4.5-6............................. Revision 2 5.2.2-1........................................... Revision 3 4.5-7.............................................. Revision 3 5.2.2-2 thru 5.2.2-19..................... Revision 2 4.5-8 thru 4.5-15........................... Revision 2 5.3-1.............................................. Revision 3 4.5-16............................................ Revision 5 5.3.1-1 thru 5.3.1-26..................... Revision 3 4.5-17 thru 4.5-21......................... Revision 2 R

2 5.3.2-1 thru 5.3.2-2....................... ev1s1on 4.5-22............................................ Revision 5 5.3.2-3........................................... Revision 3 4.5-23............................................ Revision 2 5.3.2-4 thrn 5.3.2-16..................... ev1s1on R..

2 4.5-24............................................ Revision 5 5.4-1.............................................. Revision 2 4.5-25 thru 4.5-26......................... Revision 2 R.. n3 5.4.1-1 thrn 5.4.1-34..................... ev1s10 4.5-27............................................ Revision 5 5.4.2-1 thru 5.4.2-4 7..................... Revision 2 4.5-28............................................ Revision 2 5.5-1.............................................. Revision 2 4.5-29 thru 4.5-34......................... Revision 5 5.5-2.............................................. Revision 3 4.5-35 thru 4.5-37......................... Revision 2 5.6.1-1 thru 5.6.1-71..................... Revision 3 4.5-38............................................ Revision 5 5.6.2-1 thru 5.6.2-36..................... Revision 3 4.5-39 thru 4.5-41......................... Revision 2 4.5-42 thru 4.5-4 7......................... Revision 5 4.5-48 thru 4.5-51......................... Revision 2 Appendix 5.A 4.5-52............................................ Revision 5 5.A-i thru 5.A-v............................ Revision 8 Page 4 of 9

NAC-MPC FSAR Docket No. 72-1025 April 2018 Revision 11 List of Effective Pages (continued) 5.A-1............................................ Revision 8 6.4.2-18 thru 6.4.2-21.................. Revision 2 5.A.1-1 thru 5.A.1-8..................... Revision 8 6.4.2-22 thru 6.4.2-23.................. Revision 3 5.A.2-1 thru 5.A.2-17................... Revision 8 6.4.2-24 thru 6.4.2-26.................. Revision 2 5.A.3-1 thru 5.A.3-15................... Revision 8 6.5-1 thru 6.5-2............................ Revision 2 5.A.4-1 thru 5.A.4-23................... Revision 8 6.5.1-1.......................................... Revision 2 5.A.5-1......................................... Revision 8 6.5.1-2 thru 6.5.1-3...................... Revision 3 5.A.6-1 thru 5.A.6-72................... Revision 8 6.5.1-4 thru 6.5.1-19.................... Revision 2 6.5.1-20........................................ Revision 3 6.5.2-1.......................................... Revision 3 6.5.2-2 thru 6.5.2-20.................... Revision 2 Chapter 6 6.6-1 thru 6.6-2............................ Revision 2 6.7-1............................................. Revision 3 6-i thru 6-ii................................... Revision 8 6.7.1-1 thru 6.7.1-126.................. Revision 2 6-iii thru 6-vi................................ Revision 3 6.7.1-127 thru 6.7.1-160.............. Revision 3 6.1-1............................................. Revision 2 6.7.2-1 thru 6.7.2-44.................... Revision 2 6.1-2............................................. Revision 8

6. 1.1-1 thru 6. 1.1-2...................... Revision 8 6.1.2-1 thru 6.1.2-2...................... Revision 2 Appendix 6.A 6.2-1............................................. Revision 2 6.A-i thru 6.A-iv.......................... Revision 8 6.2.1-1 thru 6.2.1-2...................... Revision 3 6.A-1............................................ Revision 8 6.2.1-3 thru 6.2.1-5...................... Revision 2 6.A.1-1 thru 6.A.1-5..................... Revision 8 6.2.1-6.......................................... Revision 3 6.A.2-1 thru 6.A.2-2..................... Revision 8 6.2.1-7.......................................... Revision 2 6.A.3-1 thru 6.A.3-19................... Revision 8 6.2.2-1.......................................... Revision 3 6.A.4-1 thru 6.A.4-28................... Revision 8 6.2.2-2 thru 6.2.2-4...................... Revision 2 6.A.5-1 thru 6.A.5-34................... Revision 8 6.3-1............................................. Revision 2 6.A.6-1........................................ Revision 8 6.3.1-1.......................................... Revision 2 6.A.7-1 thru 6.A.7-43................... Revision 8 6.3.1-2.......................................... Revision 3 6.3.1-3 thru 6.3.1-9...................... Revision 2 Chapter 7 6.3.1-10........................................ Revision 3 7-i................................................. Revision 8 6.3.2-1.......................................... Revision 3 7-ii................................................ Revision 2 6.3.2-2 thru 6.3.2-7...................... Revision 2 7-1................................................ Revision 8 6.4-1............................................. Revision 2 7.1-1............................................. Revision 3 6.4.1-1 thru 6.4.1-33.................... Revision 3 7.1-2............................................. Revision 2 6.4.2-1 thru 6.4.2-12.................... Revision 2 7.1-3............................................. Revision 7 6.4.2-13 thru 6.4.2-17.................. Revision 3 7.1-4............................................. Revision 3 Page 5 of 9

NAC-MPC FSAR Docket No. 72-1025 April 2018 Revision 11 List of Effective Pages (continued) 7.1-5 thru 7.1-10........................... Revision 2 8.A.1-8.......................................... Revision 9 7.2-1.............................................. Revision 3 8.A.1-9 thru 8.A.1-14................... Revision 8 7.2-2.............................................. Revision 7 8.A.2-1.......................................... Revision 8 7.3-1.............................................. Revision 2 8.A.3-1 thru 8.A.3-3..................... Revision 8 Appendix 7.A Chapter 9 7.A-i thru 7.A-ii............................ Revision 8 9-i.................................................. Revision 8 7.A-1............................................. Revision 8 9-1................................................. Revision 8 7.A.1-1 thru 7.A.1-6..................... Revision 8 9.l-1.............................................. Revision 2 7.A.2-1 thru 7.A.2-2..................... Revision 8 9.1-2 thru 9.1-4............................. Revision 3 7.A.3-1.......................................... Revision 8 9.1-5.............................................. Revision 7 7.A.4-1.......................................... Revision 8

9. l-6.............................................. Revision 9 9.l-7.............................................. Revision 8 Chapter 8 9.1-8.............................................. Revision 7 8-i.................................................. Revision 8 9.1-9 thru 9.1-10........................... Revision 9 8-ii................................................. Revision 5 9.2-1.............................................. Revision 7 8-1................................................. Revision 8 9.3-1.............................................. Revision 2 8-2................................................. Revision 2 8.1-1 thru 8.1-2............................. Revision 2 Appendix 9.A 8.1-3 thru 8.1-9............................. Revision 7 9.A-i.............................................. Revision 8 8.1-10 thru 8.1-13......................... Revision 6 9.A-1............................................. Revision 8 8.1-14............................................ Revision 7 9.A.1-1 thru 9.A.1-3..................... Revision 8 8.1-15............................................ Revision 6 9.A.2-1 thru 9.A.2-3..................... Revision 9 8.1-16............................................ Revision 5 9.A.2-4 thru 9.A.2-6..................... Revision 8 8.l-17............................................ Revision 7 9.A.3-1 thru 9.A.3-3..................... Revision 8 8.1-18 thru 8.1-19......................... Revision 5 9.A.4-1.......................................... Revision 8 8.2-1.............................................. Revision 7 8.2-2.............................................. Revision 2 Chapter 10 8.3-1.............................................. Revision 2 10-i................................................ Revision 8 8.3-2 thru 8.3-5............................. Revision 3 10-ii thru 10-iii............................. Revision 2 10.1-1 thru 10.1-2......................... Revision 8 Appendix 8.A 10.2-1 thru 10.2-2......................... Revision 3 8.A-i thru 8.A-ii............................ Revision 8 10.3-1............................................ Revision 2 8.A-1 thru 8.A-2........................... Revision 8 10.3-2............................................ Revision 7 8.A.1-1 thru 8.A.1-7..................... Revision 8 10.3-3............................................ Revision 2 Page 6 of 9

NAC-MPC FSAR Docket No. 72-1025 April 2018 Revision 11 List of Effective Pages (continued)

I 0.3-4........................................... Revision 3 11.1.2-6 thru 11.1.2-7.................. Revision 4 10.3-5 thru 10.3-10...................... Revision 2 11.1.3-1 thru 11.1.3-2.................. Revision 7 I 0.3-11......................................... Revision 3 11.1.4-1........................................ Revision 7 I 0.3-12 thru 10.3-14.................... Revision 2 11.1.4-2 thru 11.1.4-7.................. Revision 2 10.4-1 thru 10.4-4........................ Revision 3 11.1.5-1 thru 11.1.5-7.................. Revision2 I 0.4-5........................................... Revision 2 11.2-1........................................... Revision 8 I 0.4-6........................................... Revision 3 11.2.1-1........................................ Revision 3 10.4-7 thru 10.4-11...................... Revision 2 11.2.1-2 thru 11.2.1-3.................. Revision 2 11.2.1-4........................................ Revision 4 Appendix 1 O.A 11.2.1-5 thru 11.2.1-8.................. Revision 2 I O.A-i thru IO.A-ii....................... Revision 8 11.2.1-9 thru 11.2.1-10................ Revision 4 1 OA-1........................................... Revision 8 11.2.2-1 thru 11.2.2-14................ Revision 2 1 O.A.1-1 thru 1 O.A.1-2................. Revision 8 11.2.2-15...................................... Revision 7 I O.A.2-1 thru 1 O.A.2-2................. Revision 8 11.2.3-1........................................ Revision 2 1 O.A.3-1 thru 1 O.A.3-5................. Revision 8 11.2.3-2........................................ Revision 7 10.A.4-l thru 10.A.4-8................. Revision 8 11.2.4-1........................................ Revision 2 1 O.A.5-1....................................... Revision 8 11.2.5-1 thru 11.2.5-5.................. Revision 2 11.2.6-1 thru 11.2.6-7.................. Revision 2 Chapter 11 11-i............................................... Revision 7 11.2.6-8........................................ Revision 4 11.2.6-9........................................ Revision 7 I I-ii thrul I-iii.............................. Revision 2 11.2.7-1 thru 11.2.7-2.................. Revision 2 11-iv............................................. Revision 3 11.2.8-1 thru 11.2.8-2.................. Revision 2 11-v.............................................. Revision 8 11.2.8-3........................................ Revision 3 11-vi thru 11-vii........................... Revision 3 11.2.9-1 thru 1 1.2.9-5.................. Revision 2 11-viii........................................... Revision 4 11.2.10-1...................................... Revision 7 11-ix thru 11-xi............................ Revision 3 11.2.10-2 thru 11.2.10-3.............. Revision 2 11-1.............................................. Revision 8 11.2.11-1 thru 11.2.11-5.............. Revision 2 11.1-1........................................... Revision 8 11.2.11-6 thru 11.2.11-8.............. Revision 4 11.1.1-1........................................ Revision 7 11.2.11-9...................................... Revision 2 11.1.1-2........................................ Revision 3 11.2.11-10.................................... Revision 4 11.1.2-1........................................ Revision 2 11.2.11-11.................................... Revision 2 11.1.2-2........................................ Revision 3 11.2.12-1 thru 11.2.12-6.............. Revision 2 11.1.2-3........................................ Revision 2 11.2.12-7 thru 11.2.12-15............ Revision 3 11.1.2-4........................................ Revision 4 11.2.12-16 thru 11.2.12-25.......... Revision 2 11.1.2-5........................................ Revision 2 11.2.12-26.................................... Revision 3 11.2.12-27 thru 11.2.12-29.......... Revision 2 Page 7 of 9

NAC-MPC FSAR Docket No. 72-1025 April 2018 Revision 11 List of Effective Pages (continued) 11.2.12-30 thru 11.2.12-58........... Revision 3 11.2.12-59 thru 11.2.12-60........... Revision 4 11.2.12-61 thru 11.2.12-68........... Revision 3 11.2.12-69 thru 11.2.12-72........... Revision 4 11.2.12-73 thru 11.2.12-88........... Revision 3 11.2.13-1 thru 11.2.13-23............. Revision 2 11.2.13-24..................................... Revision 3 11.2.13-25..................................... Revision 2 11.3-1............................................ Revision 8 R

2 I l.3-2............................................ ev1s1on 11.3-3............................................ Revision 0 11.3-4 thru 11.3-5......................... ev1s10n R..

2 R

0 11.3-6 thru 11.3-8......................... ev1s1on R..

2 11.3-9............................................ ev1s1on 11.3-1 O thru 11.3-15..................... ev1s1on R..

0 11.3-16 thru 11.3-17..................... ev1s1on R..

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2 11.3-21 thru 1 1.3-22..................... ev1s1on 11.3-23.......................................... Revision 0 11.3-24 thru 1 1.3-34............... Amendment I R

3 11.3-35.......................................... ev1s1on 1].3-36 thru 11.3-41............... Amendment 1

] 1.3-42 thru 11.3-46..................... ev1s1on R

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2 11.4.1-1 thru 11.4.1-20................. ev1s1on 11.4.2-1 thru 11.4.2-3................... Revision 2 11.4.2-4 thru 11.4.2-6................... Revision 3 11.4.2-7 thru 11.4.2-10................. Revision 2 11.4.3-1......................................... Revision 3 11.4.3-2 thru 11.4.3-4................... ev1s1on R..

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2 11.4.4-1 thru 11.4.4-3................... ev1s1on 11.4.5-1 thru 11.4.5-12................. Revision 2 R..

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0 I l.6-1............................................ ev1s1on 11.6-2............................................ Revision 2 Page 8 of 9 11.6-3...................................... Amendment I I 1.6-4............................................ ev1s1on R

2 Appendix 11.A 11.A-i thru 11.A-iv..................... Revision 10 I l.A-1.. :........................................ Revision 8 11.A.1-l thru l 1.A.1-15............... Revision 8 I l.A.2-1 thru 1 l.A.2-6................. Revision 8 1 l.A.2-7 thru l 1.A.2-56............. Revision 10 I l.A.3-1........................................ Revision 8 11.A.4-l thru l l.A.4-7................. Revision 8 I l.A.5-1 thru l 1.A.5-2................. Revision 8 11.A.6-l...................................... ev1s1on R

10 Chapter 12 12-i thru 12-ii................................ Revision 2 12-1 thru 12-2............................... Revision 8 12.A-l........................................... Revision 2 12.A-2........................................... Revision 8 12.B-1........................................... Revision 2 12.B-2........................................... Revision 8 12.C-l thru 12.C-2........................ Revision 2 12.C. l -l........................................ Rev is ion 8 12.C.2-l thru l 2.C.2-3.................. Revision 8 12.C.3-l........................................ Revision 8 12.C.3-2 thru l 2.C.3-3.................. ev1s1on R

2 I 2.C.3-4........................................ Rev is ion 8 12.C.3-5 thru 12.C.3-8.................. ev1s1on R

2 12.C.3-9 thru 12.C.3-20................ Revision 8 l 2.C.3-21...................................... Revision 5 12.C.3-22 thru l 2.C.3-23.............. Revision 8 I 2.C.3-24...................................... Revision 5 I 2.C.3-25 thru l 2.C.3-26.............. Revision 8 I 2.C.3-27...................................... Revision 9 I 2.C.3-28 thru 12.C.3-30.............. ev1s1on R

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NAC-MPC FSAR Docket No. 72-1025 List of Effective Pages (continued) l 2.C.3-31.................................... Revision 10 l 2.C.3-32 thru l 2.C.3-33............. Revision 8 l 2.C.3-34 thru l 2.C.3-35............. Revision 5 l 2.C.3-36...................................... Revision 8 l 2.C.3-37...................................... Revision 5 l 2.C.3-38 thru l 2.C.3-40............. Revision 8 l 2.C.3-41...................................... Revision 5 l 2.C.3-42 thru l 2.C.3-43............. Revision 8 Chapter 13 13-i............................................... Revision 8 13.1-1 thru 13.1-2........................ Revision 8 13.2-1 thru 13.2-9........................ Revision 8 13.3-1........................................... Revision 8 Page 9 of 9 April 2018 Revision 11

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