ML11167A062

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OL - TVA Letter to NRC_2011-06-03 - WBN U2 FSAR A104
ML11167A062
Person / Time
Site: Watts Bar Tennessee Valley Authority icon.png
Issue date: 06/03/2011
From:
- No Known Affiliation
To:
Division of Operating Reactor Licensing
References
Download: ML11167A062 (31)
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Text

WBN2Public Resource From: Boyd, Desiree L [dlboyd@tva.gov]

Sent: Friday, June 03, 2011 11:32 AM To: Epperson, Dan; Poole, Justin; Raghavan, Rags; Milano, Patrick; Campbell, Stephen Cc: Crouch, William D; Hamill, Carol L; Boyd, Desiree L; Stockton, Rickey A

Subject:

TVA letter to NRC_2011-06 WBN U2 FSAR A104 Attachments: 2011-06 WBN U2 FSAR A104_Final.pdf Please see attached TVA letter that was sent to the NRC today.

Thank You,

~*~*~*~*~*~*~*~*~*~*~*~*~*~*~

Désireé L. Boyd WBN 2 Licensing Support Sun Technical Services dlboyd@tva.gov 4233658764

~*~*~*~*~*~*~*~*~*~*~*~*~*~*~

1

Hearing Identifier: Watts_Bar_2_Operating_LA_Public Email Number: 401 Mail Envelope Properties (7AB41F650F76BD44B5BCAB7C0CCABFAF1F86210F)

Subject:

TVA letter to NRC_2011-06 WBN U2 FSAR A104 Sent Date: 6/3/2011 11:32:18 AM Received Date: 6/3/2011 11:32:25 AM From: Boyd, Desiree L Created By: dlboyd@tva.gov Recipients:

"Crouch, William D" <wdcrouch@tva.gov>

Tracking Status: None "Hamill, Carol L" <clhamill@tva.gov>

Tracking Status: None "Boyd, Desiree L" <dlboyd@tva.gov>

Tracking Status: None "Stockton, Rickey A" <rastockton@tva.gov>

Tracking Status: None "Epperson, Dan" <Dan.Epperson@nrc.gov>

Tracking Status: None "Poole, Justin" <Justin.Poole@nrc.gov>

Tracking Status: None "Raghavan, Rags" <Rags.Raghavan@nrc.gov>

Tracking Status: None "Milano, Patrick" <Patrick.Milano@nrc.gov>

Tracking Status: None "Campbell, Stephen" <Stephen.Campbell@nrc.gov>

Tracking Status: None Post Office: TVANUCXVS2.main.tva.gov Files Size Date & Time MESSAGE 331 6/3/2011 11:32:25 AM 2011-06 WBN U2 FSAR A104_Final.pdf 302366 Options Priority: Standard Return Notification: No Reply Requested: No Sensitivity: Normal Expiration Date:

Recipients Received:

Attachment 1 to be withheld from Public Disclosure Under 10 CFR 2.390. When separated from this Enclosure, this letter is decontrolled.

Tennessee Valley Authority, Post Office Box 2000, Spring City, Tennessee 37381-2000 June 3, 2011 10 CFR 50.4(b)(6) 10 CFR 50.34(b) 10 CFR 2.390(d)(1)

U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, D.C. 20555-0001 Watts Bar Nuclear Plant, Unit 2 Docket No. 50-391

Subject:

WATTS BAR NUCLEAR PLANT (WBN) - UNIT 2 - FINAL SAFETY ANALYSIS REPORT (FSAR), AMENDMENT 104

References:

1. TVA letter to NRC dated March 15, 2011, Watts Bar Nuclear Plant (WBN)

- Unit 2 - Final Safety Analysis Report Amendment 103

2. TVA letter to NRC dated April 6, 2011, Watts Bar Nuclear Plant (WBN)

Unit 2 - Safety Evaluation Report Supplement 22 (SSER22) - Response to NRC Required Action Items

3. TVA letter to NRC dated May 20, 2011, Watts Bar Nuclear Plant (WBN)

Unit 2 - Response to Final Safety Analysis Report (FSAR), Chapter 11 and Final Supplemental Environmental Impact Statement (FSEIS)

Request for Additional Information This letter transmits WBN Unit 2 FSAR Amendment 104 (A104), which reflects changes made since the issuance of Amendment 103 on March 15, 2011 (Reference 1).

In Reference 2 (Enclosure 1, Item 36), TVA committed to update Table 3.2-2 to note that TVA Class G and H piping within the SGB System exists downstream of the safety-related containment isolation valves. TVA later discovered that the same information intended to be placed into Table 3.2-2 was already provided in Table 3.2-2a. Therefore, this change to Table 3.2-2 is no longer needed and thus this letter closes the commitment in Reference 2.

A104 also includes changes to FSAR Chapter 11 previously proposed via Reference 3. contains a summary listing of FSAR sections and corresponding Unit 2 change package numbers associated with the A104 FSAR changes. Most of these changes were the result of resolutions to NRC Requests for Additional Information.

U.S. Nuclear Regulatory Commission Page 3 June 3, 2011 cc (Enclosures):

U. S. Nuclear Regulatory Commission Region II Marquis One Tower 245 Peachtree Center Ave., NE Suite 1200 Atlanta, Georgia 30303-1257 NRC Resident Inspector Unit 2 Watts Bar Nuclear Plant 1260 Nuclear Plant Road Spring City, Tennessee 37381

U.S. Nuclear Regulatory Commission Page 4 June 3, 2011 bcc (Enclosures):

Stephen Campbell U.S. Nuclear Regulatory Commission MS 08H4A One White Flint North 11555 Rockville Pike Rockville, Maryland 20852-2738 Charles Casto, Deputy Regional Administrator for Construction U. S. Nuclear Regulatory Commission Region II Marquis One Tower 245 Peachtree Center Ave., NE Suite 1200 Atlanta, Georgia 30303-1257

ENCLOSURE 1 WBN Unit 2 FSAR A104 Summary Listing of A104 FSAR Changes" Change Item Change Area Change Description Package No.

Number Table

1. In Table 3.2-7, page 16 of 16, change N-520-2 to N-520-3. 2-104-01 3.2-7
1. Added the words "(References 1, 2 and 3)" to the end of the first sentence of the last paragraph on FSAR page 6.2.6-2.
2. Deleted the phrase "as specified in 10 CFR 50, Appendix J" from the end of the second sentence of Exemption 2 on FSAR Page 6.2.6-3.
3. Deleted the phrase,"as specified in 10 CFR 50, Appendix J" from the end of the second sentence of Exemption 3 on FSAR Page 6.2.6-3.
4. Deleted the phrase "as specified in 10 CFR 50, Appendix J" from the end of the second sentence of Exemption 5 on FSAR Page 6.2.6-4.

Section 5. Deleted the word "None" and added the following three

2. 2-104-02 6.2.6 references to the bottom of page 6.2.6-6 numbered as 1 through 3:

x Title 10, Code of Federal Regulations, Part 50, Appendix J, Option B, Primary Reactor Containment Leakage Testing for Water-Cooled Power Reactors - Performance-Based Requirement.

x Regulatory Guide 1.163, Performance-Based Containment Leak-Test Program, September 1995.

x NEI 94-01, Revision 0, Industry Guideline for Implementing Performance-Based Option of 10 CFR Part 50, Appendix J.

1. Changed the design basis blowdown energy identified in assumption (1) of FSAR Section 6.2.1.1.1 from 315.1 x 106 to 317.3 X 106.
2. Changed the design basis blowdown mass identified in assumption (1) of FSAR Section 6.2.1.1.1 from 499.6 x 103 to 502.7 X 103.

Sections

3. 6.2.1 3. Changed the maximum calculated containment pressure and 2-104-03 6.8.3 the time it occurs identified in FSAR Section 6.2.1.3.3 (FSAR page 6.2.1-8) from 10.23 psig at 7172.8 seconds to 12.47 psig at 4346 seconds.
4. Revised the values and footnotes provided on FSAR Table 6.2.1-3 for the Energy Balances. Also, revised the time for the Approximate End of Reflood column on FSAR Table 6.2.1-3 from 238.369 seconds to 241.3 seconds.

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ENCLOSURE 1 WBN Unit 2 FSAR A104 Summary Listing of A104 FSAR Changes" Change Item Change Area Change Description Package No.

Number

5. Revised the values and footnotes provided on FSAR Table 6.2.1-4 for the Energy Balances. Also, revised the column title and the time for the Approximate Ice Meltout Time column from 4077.94 seconds to 3009.3 seconds. Additionally, revised the time for the Approximate Time of Peak Pressure column from 7172.82 seconds to 4346 seconds.
6. Replaced the values included on FSAR Table 6.2.1-16 with the values.
7. Replaced the values included on FSAR Table 6.2.1-17 with the values.
8. Replaced FSAR Table 6.2.1-18 with new values.
9. Replaced the values included on FSAR Table 6.2.1-19 with new values.

Sections 3.

6.2.1 2-104-03 (cont.) 10. Revised the times for Accumulator Flow Starts, End of 6.8.3 Blowdown, Accumulators Empty, and End of Reflood on FSAR Table 6.2.1-25.

11. Replaced the values included on FSAR Table 6.2.1-26a with new values.
12. Replaced the values included on FSAR Table 6.2.1-26b with new values.
13. Replaced FSAR Figures 6.2.1-1, 6.2.1-2a, 6.2.1-2b, 6.2.1-3, 6.2.1-4 and 6.2.1-4a with new figures.
14. Changed the peak containment pressure and time of peak pressure from 10.23 psig at approximately 7172.8 seconds to 12.47 psig at approximately 4346 seconds in the first paragraph of FSAR Section 6.8.3.

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ENCLOSURE 1 WBN Unit 2 FSAR A104 Summary Listing of A104 FSAR Changes" Change Item Change Area Change Description Package No.

Number 1 FSAR Section 10.3.5.3 (2) Cold Shutdown/Wet Layup, added to end of paragraph to read; "or completely cover the steam generator tubes with a greater than 25 ppm hydrazine layup solution."

2 FSAR Section 10.4.6.1 Design Bases - Power Conversion, Sections added to after the last paragraph a new paragraph to read:

10.3.5.3

4. "The functions of the condensate startup (Red Iron) filters are 2-104-04 10.4.6.1 used during startup and as required for removal of hematite and other corrosion products from the condensate system.

These startup filters (12 filters total) are essential to achieve rapid cleanup of the condensate system. Range of flow per filter is 650 gpm to 750 gpm. Maximum design pressure for the Condensate Startup Filters is 300 psig."

1. For Section 1.2.2.7, changed six to eight and replaced two spares with two pairs of spares in the last paragraph of the Page 1.2-6 (A103).
2. In Table 3.2-3, sheet 3 of 4, for the 125 VDC Vital Battery Charges changed 6 to 9, for Chgrs, replaced Spare with V, for Chgr, replaced 6-S and 7-S with 6-S, 7-S, 8-S, and 9-S, for the Transfer switches, replaced 6DC-8 Sections with 68DC1-S & 68DC2-S, replaced 7DC-S with 1.2.2.7 79DC1-S & 79DC2-S, replaced 6AC-S with 68AC1-S 3.10.4.1 & 68AC2-S, and replaced 7AC-S with 79AC1-S &

8.3 79AC2-S.

5. 2-104-05 Tables 3. For Section 3.10.4.1, in the 125VDC Class 1E System 3.2-3 listing, inserted a new line item entitled, Spare Transfer 3.10-1 Switches with contract No. 00072332; and for Battery 8.3-10 Chargers, replaced existing contract No. 74C8-85251 with 00072332.
4. For Table 3.10-1, inserted line item for Spare Transfer Switches, A-772, 00072332, AMETEK SCI, IEEE 344-1975, Test, Multifrequency, Random Biaxial, Wyle Lab.
5. For Section 8.3.2.1.1, replaced six with eight and two spare chargers with two pairs of spare chargers, in the second paragraph.

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ENCLOSURE 1 WBN Unit 2 FSAR A104 Summary Listing of A104 FSAR Changes" Change Item Change Area Change Description Package No.

Number

6. For Section 8.3.2.1.1 (page 8.3 A103), replaced the phrase, a spare (backup) charger for use upon loss of the normal charger with two spare (backup) chargers for use upon loss of the normal charger. Each pair of spare chargers are mechanically interlocked such that only one charger in each pair can be utilized at one time, in the first paragraph at top of page.
7. Replaced the phrase, One spare charger is, with Two spare chargers are, in the second paragraph on Page 8.3-55 (A103).
8. Inserted pairs of in the second paragraph on Page 8.3-58 (A103).
9. Replaced one with two in the second paragraph on Page 8.3-58 (A103).
10. Replaced VI, and VII with 6-S, 7-S, 8-S, and 9-S in the Sections fourth paragraph on Page 8.3-58 (A103).

1.2.2.7 3.10.4.1

11. Replaced 300 with 200 and 2.0 with 1.0 in the fifth 8.3 paragraph on Page 8.3-58 (A103).

5.

2-104-05 (cont.) Tables

12. Inserted a new item 7 that reads as follows: (7) high voltage 3.2-3 cutout function that will trip the output breaker in the event 3.10-1 there is an overvoltage condition, into the next to last 8.3-10 paragraph on Page 8.3-58 (A103).
13. In the last paragraph on Page 8.3-61 (A103), replaced six with eight, two spare with two pairs of spare, and A manually operated switch transfers, with Manually operated switches transfer.
14. Replaced on Page 8.3-65 (A103) that reads: The tests for vital battery boards I, II, III, and IV and charger I, II, III, and IV were performed in conformance with IEEE Standard 344-1971, Guide for Seismic Qualification of Class 1E Equipment.

[Charger V is Seismic Category I(L)] with The tests for Vital Battery Boards I, II, III, IV were performed in conformance to IEEE Standard 344-1971, Guide for Seismic Qualification of Class 1E Equipment. Chargers I, II, III, and IV (including spare chargers 6-S, 7-S, 8-S, and 9-S) were tested to IEEE Standard 344-1975. [Although charger V is Seismic Category I(L), it has been procured and tested in compliance with IEEE Standard 344-1975 to reduce the spare parts inventory].

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ENCLOSURE 1 WBN Unit 2 FSAR A104 Summary Listing of A104 FSAR Changes" Change Item Change Area Change Description Package No.

Number

15. For Table 8.3-10, for 125V Spare Bat Chgr 6, added & 8****,

for 125V Spare Bat Chgr 7, added & 9****

Sections 1.2.2.7 16. For Table 8.3-10, replaced Charger DC (6-S) with Chargers 3.10.4.1 DC (6-S & 8-S).

8.3

5. 17. For Table 8.3-10, replaced Charger DC (7-S) with Chargers 2-104-05 (cont.) Tables DC (7-S & 9-S).

3.2-3 3.10-1 18. For Table 8.3-10, inserted new note as follows: ****These 8.3-10 switch panels contain a second manually interlocked transfer switch to select the charger being utilized. Corrected alignment both AC and DC transfer switch panels is required for proper operation of the utilized charger.

1. On FSAR Table 6.2.4-2, Page 6 of 6, changed the "Penetrating Line Name" for Penetration Number X-114 from "Ice Condenser (to Glycol Cool FL Pumps)" to "Ice Condenser (from Glycol Floor Cooling Coils)."
2. On FSAR Table 6.2.4-2, Page 6 of 6, changed the "Penetrating Line Name" for Penetration Number X-115 from Ice Condenser (to Glycol Cool FL Pumps)" to "Ice Condenser (to Glycol Floor Cooling Coils)."
3. On FSAR Table 6.2.6-4, Page 7 of 7 (A103), changed the status of penetration X-47B from "Same as X-47A" to "Glycol Tables cooling return from air handling units in ice condenser required
6. 6.2.4-2 2-104-06 to ensure ice condition is maintained."

6.2.6-4

4. On FSAR Table 6.2.6-4, Page 7 of 7 (A103), changed the status of penetration X-114 from "Glycol return from air handling units required to ensure ice condition is maintained."

to "Glycol return line from floor cooling coils required to ensure ice condition is maintained."

5. On FSAR Table 6.2.6-4, Page 7 of 7 (A103), changed the status of penetration X-115 from "Same as X-114" to "Glycol supply line to floor cooling coils required to ensure ice condition is maintained."

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ENCLOSURE 1 WBN Unit 2 FSAR A104 Summary Listing of A104 FSAR Changes" Change Item Change Area Change Description Package No.

Number

1. On FSAR Table 3.9-25, entitled "Valves Required To Be Active For Design Basis Events," Sheet 14 of 23, added valves FCV-67-66 and FCV-67-67.
2. On FSAR Table 3.9-25, entitled "Valves Required To Be Active For Design Basis Events," Sheet 15 of 23, added valve 1-FCV-67-146.

Section 3. On FSAR Table 3.9-26, entitled "Inservice Inspection Category 9.2 Valves," Sheet 3 of 6, added valves FCV-67-66, FCV-67-67 and 1-FCV-67-146.

7. Tables 2-104-07 3.9-25 4. On FSAR page 9.2-1, removed the asterisks from Item 3 in 3.9-26 Section 9.2.1.2
5. On FSAR page 9.2-10, revised the statements that indicate that ERCW piping to the diesel generators is treated during periods of biocide injection by providing continuous flow to the diesel generators. The statements were changed to indicate that ERCW piping to the diesel generators is treated during periods of train specific biocide injection by opening the associated diesel generator supply valve.
1. Revised the numbers and the titles for FSAR Figures 15.2-42a, 15.2-42b and 15.2-42c on the List of Figures for FSAR Chapter 15.
2. Revised the initial NSSS thermal power output assumed for inadvertent operation of ECCS during power operation on FSAR Table 15.1-2, Page 2 of 4.

Section 3. In FSAR Section 15.2.14.1, removed the asterisk from the

8. 2-104-08 15.2-14 boric acid concentration and the associated note. Also remove the extra space in the last sentence of the third paragraph.
4. In FSAR Section 15.2.14.2, revised the discussion included under Method of Analysis; Assumptions 2, 4 and 10; and the discussion included under Results and Pressurizer Filling Case.

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ENCLOSURE 1 WBN Unit 2 FSAR A104 Summary Listing of A104 FSAR Changes" Change Item Change Area Change Description Package No.

Number

5. In FSAR Section 15.2.14.3, revised the second paragraph.
6. On FSAR Table 15.2-1, deleted events, Pressurizer Fills, and Maximum RCS Pressure Occurs, and the associated time under the Pressurizer Filling Case. Also, added an event
8. Section entitled Maximum Pressurizer Water Level Occurs, with the 2-104-08 (cont.) 15.2-14 associated time of 667 seconds.
7. Replaced FSAR Figures 15.2.42a, 15.2.42b and 15.2.42c with new figures.
1. Added new FSAR Section 15.2.15 entitled "Chemical and Volume Control System Malfunction During Power Operation."
2. Added new Table 15.2-6, entitled "Time Sequence of Events for CVCS Malfunction."
3. Added new Figure 15.2-44, entitled "CVCS Malfunction Nuclear Power vs. Time."

Section

9. 2-104-09 15.2-15 4. Added new Figure 15.2-45, entitled "CVCS Malfunction RCS Average Temperature Versus Time."
5. Added new Figure 15.2-46, entitled "CVCS Malfunction Pressurizer Pressure Versus Time."

6 Added new Figure 15.2-47, entitled "CVCS Malfunction Pressurizer Water Volume Versus Time."

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ENCLOSURE 1 WBN Unit 2 FSAR A104 Summary Listing of A104 FSAR Changes" Change Item Change Area Change Description Package No.

Number

1. For Section 2.4.3.3, Paragraph 5, added a description of sand baskets installed at Fort Loudoun, Cherokee, Tellico and Watts Bar dams (see References 1 through 8).
2. For Section 2.4.3.4, Concrete Section Analysis, replaced text originally duplicated from Unit 1 which did not reflect the updated PMF analysis and the resulting review of the revised headwater/tailwater conditions at affected dam (see Reference 9).
3. For Section 2.4.3.4, Spillway Gates, replaced text originally duplicated from Unit 1 which did not reflect the updated PMF analysis and the resulting review of the revised headwater Sections conditions at affected dams with Taintor Radial Gates; Vertical Lift gates at Chatuge, Chickamauga, Nottely and Drum Gates
10. 2.4.3.3 at Norris and Valve Control at South Holston and Watauga 2-104-10 2.4.3.4 have not been historically addressed so information related to 2.4.4.1 these gates/devices is not added to the text (see References 5-8 and 10-20).
4. For Section 2.4.4.1, Dam Failure Permutations, Embankment, Paragraph 4, added a description of sand basket seismic analysis installed at Fort Loudoun (see References 21 and 22).
5. For Section 2.4.4.1, Dam Failure Permutations, SSE Concurrent with 25 Year Flood, Multiple Failures, Paragraph 3, added a description of the utilization of sand baskets for the Norris, Cherokee, Douglas and Tellico Dam failure combination in an SSE coincident with a 25-year flood.

Figures 2.4-69 2.4-72 Watts Bar FSAR Figures 2.4-69, 72, 74, 78, 87 and 89 revised to

11. 2.4-74 note the increased height of the embankments at Cherokee, Fort 2-104-11 2.4-78 Loudoun, Tellico and Watts Bar dams.

2.4-87 2.4-89 1 Revised FSAR Chapter 12 Table of Contents and List of Tables to add FSAR Table 12.2-13.

Section 12.2.1.3

2. Revised FSAR Section 12.2.1.3 to describe added Table 12.2-
12. 2-104-12 13.

Table 12.2-13

3. Added Table 12.2-13.

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ENCLOSURE 1 WBN Unit 2 FSAR A104 Summary Listing of A104 FSAR Changes" Change Item Change Area Change Description Package No.

Number

1. Revised the text for FSAR Sections 15.5.1, 15.5.4, 15.5.5, and associated Tables 15.5-1, 15.5-2, 15.5-14, 15.5-16, 15.5-17, Sections 15.5-18, and 15.5-19 to reflect changes in calculations 15.5.1 WBNTSR-008, R13; WBNAPS3-077, R13; and WBNTSR-080, 15.5.4 R8. The calculations were changed to support corrective 15.5.5 actions in PERs 327968, 327956, and 360041. The revisions include changes in accident source terms, dispersion Tables coefficients, steam mass releases and offsite and main control
13. 15.5-1 2-104-13 room accident doses for the Main Steam Line Break, Steam 15.5-2 Generator Tube Rupture, and Loss of Off Site Power 15.5-14 accidents.

15.5-16 15.5-17

2. Revised the text for FSAR Sections 15.5.1, 15.5.4, 15.5.5, and 15.5-18 associated Tables 15.5-1, 15.5-2, 15.5-14, 15.5-16, 15.5-17, 15.5-19 15.5-18, and 15.5-19 to correct minor administrative errors.

Incorporate changes to reflect the installation of WINCISE system by revising the following:

1. In Section 3.9.2.4 (page 3.9 A103), changed from 35 to 29 in the last sentence of the first paragraph.
2. In Section 3.9.2.4 (page 3.9 A103), deleted item a entitled, Thermocouple conduits, clamps and couplings, item e, Thermocouple conduit gusset and clamp welds (where applicable); and Item f, Thermocouple conduit end plugs Section Check for tightness, from the Upper Internals list and
14. 2-104-14 3.9.2.4 renumber the remaining list.
3. Replaced Figure 3.9-1 with new figure.
4. On page 7.1-19 (A103) for Item (6), revised WCAP-13869 revision from 2 to 1 and removed September 1994.
5. On page 7.1-37 (A103) for Item (19), revised WCAP-13869 revision from 2 to 1 and removed September 1994. In addition, corrected the spelling of Westinghouse.

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ENCLOSURE 1 WBN Unit 2 FSAR A104 Summary Listing of A104 FSAR Changes" Change Item Change Area Change Description Package No.

Number FSAR Section 2.3.5 (Page 2.3 A103)

Section

1. Replaced the phrase, 2.3-45 through 2.3-51 with 2.3-68 2.3 through 2.3-74 in the first sentence of the second paragraph.

Tables New FSAR Tables:

2.3-68 2.3-69

15. 2. Inserted New Tables 2.3-68 through -74, which provide 2-104-15 2.3-70 updated JOINT PERCENTAGE FREQUENCIES OF WIND 2.3-71 DIRECTION AND WIND SPEED, for the time frame of 2.3-72 January 1, 1986, to December 31, 2005.

2.3-73 2.3-74

3. Inserted New Table 2.3-75, which provides, Average Annual 2.3-75 X/Qs and D/Qs out to 50 Miles, data.

Revised Unit 2 FSAR Table 5.2-7, Reactor Coolant System

16. Table 5.2-7 Design Pressure Setting, to revise PORVs set pressure from 2-104-16 2324 psig to 2335 psig.

FSAR Section 11.1.2

1. Clarification was provided to assure that it was clear the Tritium Producing Burnable Absorber Rods are only applied to Sections Watts Bar Unit 1.

11.1.2 11.1.4 FSAR Section 11.1.4 11.2.6.5 11.2.9.1

1. Clarification was provided to describe when the relief path 11.3.7.4 from steam generator blowdowns to the river via the cooling 11.3.7.5 tower blowdown line is used. The following text was added:

11.3.8 This route is used primarily during periods when there is no 11.3.9 significant primary to secondary leakage.

11.3.10.1 11.3.10.2 FSAR Section 11.2.6.5 and Tables 11.2-5, 11.2-5c, and 11.2-5d.

17. 2-104-17 Tables The previous FSAR Section 11.2.6.5 has been replaced with new 11.2-5 Sections 11.2.6.5, 11.2.6.5.1 and 11.2.6.5.2. The primary results 11.2-5c of these revisions are described below.

11.2-5d 11.3-6

1. The text has been revised to describe Table 11.2.5 columns 11.3-7c that have been modified. Columns 6, 7 and 8 of this table 11.3-8 have been revised. Column 6 provides the liquid radioactive 11.3.9 waste source term. Column 7 provides the source term for 11.3.10 steam generator blowdown assuming an annual untreated SG 11.3.11 Blowdown concentration of 3.65E-5 uCi/cc. Column 8 is the combined source term from Columns 6 and 7. In addition, FSAR Sections 11.2.6.5, 11.2.6.5.1 and 11.2.6.5.2 have been added to assure the text describes the columns in Table 11.2.5.

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ENCLOSURE 1 WBN Unit 2 FSAR A104 Summary Listing of A104 FSAR Changes" Change Item Change Area Change Description Package No.

Number

2. The text has been revised to describe the untreated steam generator blowdown.
3. The text has been revised to discuss Tables 11.2-5a, 11.2-5b, and 11.2-5d. This description includes the steps taken to prevent exceeding 10 CFR Part 20.1302(b) limits.
4. The text has been revised to describe the scenarios associated with the columns presented in Table 11.2-5.
5. The text states the rationale and acceptability of operating without Condensate Demineralizer backwash and blowdown effluent considerations as long as primary-to-secondary Sections leakage is insignificant.

11.1.2 11.1.4

6. Table 11.2-5c has been deleted due to the clarifications 11.2.6.5 incorporated into Section 11.2.6.5.

11.2.9.1 11.3.7.4 FSAR Section 11.2.9.1 11.3.7.5 11.3.8

1. This section has been revised to reflect the use of a 1.42 11.3.9 growth factor based on the 2000 census, rather than 1.24 11.3.10.1 factor based on the 1990 census.

11.3.10.2 17.

2-104-17 (cont.) FSAR Section 11.3.7.4 Tables 11.2-5

1. Revised the table cited from 11.3-10 to 11.3-7.

11.2-5c 11.2-5d FSAR Section 11.3.7.5 11.3-6 11.3-7c

1. Clarification has been added to describe the basis for 11.3-8 Table 11.3-7c (the basis is ANSI N18.1-1984).

11.3.9 11.3.10 FSAR Table 11.3-6 11.3.11

1. This table has been revised to more accurately describe the use of a continuous filtered containment vent.
2. Item 2 was revised to state that the activities are based on ANSI N18.1-1984.
3. Corrected typographical error from WCDT to WGDT.

FSAR Table 11.3-7c

1. The table has been revised to demonstrate it was based on ANSI 18.1-1984 and to delete Tritium Production Core value for H-3 (Unit 1 only).

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ENCLOSURE 1 WBN Unit 2 FSAR A104 Summary Listing of A104 FSAR Changes" Change Item Change Area Change Description Package No.

Number FSAR Section 11.3.8

1. The description of the Turbine Building vents was revised to describe that non-radioactive ventilation air is exhausted from the Turbine Building rather than ventilation air.

Sections Table 11.3-8 11.1.2 11.1.4 1. TVA verified the validity of the land census used in FSAR 11.2.6.5 Table 11.3-8.

11.2.9.1 11.3.7.4 2. The distance, X/Q and D/Q were revised to be consistent with 11.3.7.5 the Terrain Adjustment Factor (TAF) determined using the 11.3.8 methodology established in TVA/ONRED/A&WR--87/24. The 11.3.9 table provides the TAF used for each point of interest.

11.3.10.1 11.3.10.2 3. The Feeding Factors were revised to reflect the growing 17.

season. The table provides the Feeding Factor used for each 2-104-17 (cont.)

Tables point of interest.

11.2-5 11.2-5c FSAR Section 11.3.9 11.2-5d 11.3-6 1. The Section has been revised to identify the date of the land-11.3-7c use census that is used and discusses the rationale and 11.3-8 assumptions for the information used.

11.3.9 11.3.10 2. The Section was revised to describe that TAFs X/Q and D/Q 11.3.11 were calculated for the locations based on the 2007 Land Use Survey and 1984 through 2005 meteorology data. Reference is made to Table 11.3-8 which provides the TAF used for each point of interest.

3. Additional text was added describing that the computer code GELC was used with TAFs to account for recirculation effects.

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ENCLOSURE 1 WBN Unit 2 FSAR A104 Summary Listing of A104 FSAR Changes" Change Item Change Area Change Description Package No.

Number FSAR Section 11.3.10.1

1. The Section has been revised to identify the feeding factor that TVA has used and to provide the basis for its use. The tables cited at the end of the Section have changed from 11.3-10 and 11.3-11 to 11.3-11 to 11.3-12. New text has been added to the end of the Section describing the vegetable ingestion is the critical pathway.

Sections 11.1.2 FSAR Section 11.3.10.2 11.1.4 11.2.6.5

1. The Section has been revised to update the annual total body 11.2.9.1 dose for the population expected to live within a 50 mile radius 11.3.7.4 of Watts Bar in the year 2040. It also revised the total body 11.3.7.5 dose from effluents.

11.3.8 11.3.9 Table 11.3.9 11.3.10.1 11.3.10.2

17. 1. This Table has been revised to ensure consistency with other 2-104-17 (cont.) sections of the FSAR and the FSEIS. Population dose Tables calculations have been revised.

11.2-5 11.2-5c Table 11.3.10 11.2-5d 11.3-6

1. The individual doses listed in Table 11.3-10 were determined 11.3-7c using each nuclides total curies/year listed in Table 11.3-7c 11.3-8 with Continuous Filtered Containment Vent.

11.3.9 11.3.10

2. The doses were revised to incorporate the latest parameters 11.3.11 including use of updated Feeding Factor and TAFs.

Table 11.3.11

1. This Table has been revised to describe the results of TVAs estimate of the radiological impact to regional population groups in the year 2040 from the normal operation of the Watts Bar Nuclear Plant.

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ENCLOSURE 1 WBN Unit 2 FSAR A104 Summary Listing of A104 FSAR Changes" Change Item Change Area Change Description Package No.

Number For the list of components that are supplied with ERCW:

1. Inserted new item at the bottom of list entitled, Backup cooling water to the CCP 2A-A lube and gear oil cooler via the CCP 2A-A room cooler.

2-104-18

18. Section 9.2.1.2 2. Inserted the word, water in between Air Conditioning and 2-95-57 Chillers, for Item 12 inadvertently dropped in Amendment 95.
3. Reinserted Spent fuel pool heat exchangers inadvertently dropped with items when they were renumbered in Amendment 95.

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ENCLOSURE 2 WBN Unit 2 FSAR A104 Summary of Redacted Pages Chapter Page(S) Section No. Figure No. Basis For Redaction 1 1.2-15 1.2 1.2-1 Security Related, 10CFR2.390(d)(1) 1 1.2-16 1.2 1.2-2 Security Related, 10CFR2.390(d)(1) 1 1.2-17 1.2 1.2-3 Security Related, 10CFR2.390(d)(1) 1 1.2-18 1.2 1.2-4 Security Related, 10CFR2.390(d)(1) 1 1.2-19 1.2 1.2-5 Security Related, 10CFR2.390(d)(1) 1 1.2-20 1.2 1.2-6 Security Related, 10CFR2.390(d)(1) 1 1.2-21 1.2 1.2-7 Security Related, 10CFR2.390(d)(1) 1 1.2-22 1.2 1.2-8 Security Related, 10CFR2.390(d)(1) 1 1.2-23 1.2 1.2-9 Security Related, 10CFR2.390(d)(1) 1 1.2-24 1.2 1.2-10 Security Related, 10CFR2.390(d)(1) 1 1.2-25 1.2 1.2-11 Security Related, 10CFR2.390(d)(1) 1 1.2-26 1.2 1.2-12 Security Related, 10CFR2.390(d)(1) 1 1.2-27 1.2 1.2-13 Security Related, 10CFR2.390(d)(1) 1 1.2-28 1.2 1.2-14 Security Related, 10CFR2.390(d)(1) 1 1.2-29 1.2 1.2-15 Security Related, 10CFR2.390(d)(1) 2 2.2-7 2.2 2.2-1 Security Related, 10CFR2.390(d)(1) 2 2.2-8 2.2 2.2-2 Security Related, 10CFR2.390(d)(1) 2 2.4-89 2.4 2.4-2 Security Related, 10CFR2.390(d)(1) 2 2.4-159 2.4 2.4-24 Security Related, 10CFR2.390(d)(1) 2 2.4-162 2.4 2.4-27 Security Related, 10CFR2.390(d)(1) 2 2.4-163 2.4 2.4-28 Security Related, 10CFR2.390(d)(1) 2.4-40a 2 2.4-168 2.4 Security Related, 10CFR2.390(d)(1)

Sheet 1 2 2.4-171 2.4 2.4-40b Security Related, 10CFR2.390(d)(1) 2 2.4-172 2.4 2.4-40c Security Related, 10CFR2.390(d)(1) 2.4-40d 2 2.4-173 2.4 Security Related, 10CFR2.390(d)(1)

Sheet 1 2.4-40f 2 2.4-178 2.4 Security Related, 10CFR2.390(d)(1)

Sheet 1 2.4-40g 2 2.4-181 2.4 Security Related, 10CFR2.390(d)(1)

Sheet 1 2 2.4-206 2.4 2.4-76 Security Related, 10CFR2.390(d)(1) 2 2.4-209 2.4 2.4-79 Security Related, 10CFR2.390(d)(1) 2 2.4-212 2.4 2.4-82 Security Related, 10CFR2.390(d)(1) 2 2.4-213 2.4 2.4-83 Security Related, 10CFR2.390(d)(1) 2 2.4-218 2.4 2.4-88 Security Related, 10CFR2.390(d)(1) 2 2.4-219 2.4 2.4-89 Security Related, 10CFR2.390(d)(1) 2 2.4-220 2.4 2.4-90 Security Related, 10CFR2.390(d)(1) 2 2.5-471 2.5 2.5-185 Security Related, 10CFR2.390(d)(1) 2 2.5-472 2.5 2.5-185a Security Related, 10CFR2.390(d)(1) 2 2.5-513 2.5 2.5-225 Security Related, 10CFR2.390(d)(1) 2 2.5-514 2.5 2.5-226 Security Related, 10CFR2.390(d)(1) 2 2.5-515 2.5 2.5-226a Security Related, 10CFR2.390(d)(1) 2 2.5-575 2.5 2.5-273 Security Related, 10CFR2.390(d)(1) 2 2.5-690 2.5 2.5-358 Security Related, 10CFR2.390(d)(1)

E2-1

ENCLOSURE 2 WBN Unit 2 FSAR A104 Summary of Redacted Pages Chapter Page(S) Section No. Figure No. Basis For Redaction 2 2.5-934 2.5 2.5-592 Security Related, 10CFR2.390(d)(1) 3 3.5-53 3.5 3.5-3 Security Related, 10CFR2.390(d)(1) 3 3.5-54 3.5 3.5-4 Security Related, 10CFR2.390(d)(1) 3 3.6-73 3.6 3.6-21 Security Related, 10CFR2.390(d)(1) 3 3.6-74 3.6 3.6-22 Security Related, 10CFR2.390(d)(1) 3 3.6-75 3.6 3.6-23 Security Related, 10CFR2.390(d)(1) 3 3.6-76 3.6 3.6-24 Security Related, 10CFR2.390(d)(1) 3 3.7-217 3.7 3.7-39 Security Related, 10CFR2.390(d)(1) 3 3.7-218 3.7 3.7-40 Security Related, 10CFR2.390(d)(1) 3 3.7-219 3.7 3.7-41 Security Related, 10CFR2.390(d)(1) 3 3.7-222 3.7 3.7-44 Security Related, 10CFR2.390(d)(1) 3 3.8.3-60 3.8.3 3.8.3-6 Security Related, 10CFR2.390(d)(1) 3 3.8.3-61 3.8.3 3.8.3-7 Security Related, 10CFR2.390(d)(1) 3 3.8.4-94 3.8.4 3.8.4-2 Security Related, 10CFR2.390(d)(1) 3 3.8.4-95 3.8.4 3.8.4-3 Security Related, 10CFR2.390(d)(1) 3 3.8.4-96 3.8.4 3.8.4-4 Security Related, 10CFR2.390(d)(1) 3 3.8.4-97 3.8.4 3.8.4-5 Security Related, 10CFR2.390(d)(1) 3 3.8.4-98 3.8.4 3.8.4-6 Security Related, 10CFR2.390(d)(1) 3 3.8.4-101 3.8.4 3.8.4-9 Security Related, 10CFR2.390(d)(1) 3 3.8.4-109 3.8.4 3.8.4-17 Security Related, 10CFR2.390(d)(1) 3 3.8.4-110 3.8.4 3.8.4-18 Security Related, 10CFR2.390(d)(1) 3 3.8.4-111 3.8.4 3.8.4-19 Security Related, 10CFR2.390(d)(1) 3 3.8.4-112 3.8.4 3.8.4-20 Security Related, 10CFR2.390(d)(1) 3 3.8.4-116 3.8.4 3.8.4-24 Security Related, 10CFR2.390(d)(1) 3 3.8.4-120 3.8.4 3.8.4-28 Security Related, 10CFR2.390(d)(1) 3 3.8.4-127 3.8.4 3.8.4-35 Security Related, 10CFR2.390(d)(1) 3 3.8.4-128 3.8.4 3.8.4-36 Security Related, 10CFR2.390(d)(1) 3 3.8.4-129 3.8.4 3.8.4-36a Security Related, 10CFR2.390(d)(1) 3 3.8.4-132 3.8.4 3.8.4-37 Security Related, 10CFR2.390(d)(1) 3 3.8.4-149 3.8.4 3.8.4-50 Security Related, 10CFR2.390(d)(1) 3 3.8.4-150 3.8.4 3.8.4-51 Security Related, 10CFR2.390(d)(1) 3 3.8.6-19 3.8.6 3.8.6-7 Security Related, 10CFR2.390(d)(1) 6 6.2.2-24 6.2.2 6.2.2-4 Security Related, 10CFR2.390(d)(1) 6 6.2.3-76 6.2.3 6.2.3-4 Security Related, 10CFR2.390(d)(1) 6 6.2.3-77 6.2.3 6.2.3-5 Security Related, 10CFR2.390(d)(1) 6 6.2.3-78 6.2.3 6.2.3-6 Security Related, 10CFR2.390(d)(1) 6 6.2.3-79 6.2.3 6.2.3-7 Security Related, 10CFR2.390(d)(1) 6 6.2.3-80 6.2.3 6.2.3-8 Security Related, 10CFR2.390(d)(1) 6 6.2.3-81 6.2.3 6.2.3-9 Security Related, 10CFR2.390(d)(1) 6 6.2.3-82 6.2.3 6.2.3-10 Security Related, 10CFR2.390(d)(1) 6 6.2.3-92 6.2.3 6.2.3-18 Security Related, 10CFR2.390(d)(1) 6 6.2.3-93 6.2.3 6.2.3-19 Security Related, 10CFR2.390(d)(1) 8 8.1-21 8.1 8.1-1 Security Related, 10CFR2.390(d)(1) 8 8.2-14 8.2 Text only Security Related, 10CFR2.390(d)(1) 8 8.2-15 8.2 Text only Security Related, 10CFR2.390(d)(1)

E2-2

ENCLOSURE 2 WBN Unit 2 FSAR A104 Summary of Redacted Pages Chapter Page(S) Section No. Figure No. Basis For Redaction 8 8.2-30 8.2 8.2-3 Security Related, 10CFR2.390(d)(1) 8 8.2-31 8.2 8.2-4 Security Related, 10CFR2.390(d)(1) 8 8.2-44 8.2 8.2-11 Security Related, 10CFR2.390(d)(1) 8 8.3-97 8.3 8.3-1 Security Related, 10CFR2.390(d)(1) 8 8.3-99 8.3 8.3-2 Security Related, 10CFR2.390(d)(1) 8 8.3-100 8.3 8.3-3 Security Related, 10CFR2.390(d)(1) 8 8.3-102 8.3 8.3-4b Security Related, 10CFR2.390(d)(1) 8 8.3-205 8.3 8.3-46 Security Related, 10CFR2.390(d)(1) 8 8.3-218 8.3 8.3-59 Security Related, 10CFR2.390(d)(1) 9 9.2-211 9.2 9.2-40 Security Related, 10CFR2.390(d)(1) 9 9.4-276 9.4 9.4-21 Security Related, 10CFR2.390(d)(1) 9 9.4-280 9.4 9.4-22c Security Related, 10CFR2.390(d)(1) 9 9.4-281 9.4 9.4-23 Security Related, 10CFR2.390(d)(1) 9 9.4-282 9.4 9.4-24 Security Related, 10CFR2.390(d)(1) 12 12.3-39 12.3 12.3-1 Security Related, 10CFR2.390(d)(1) 12 12.3-40 12.3 12.3-2 Security Related, 10CFR2.390(d)(1) 12 12.3-41 12.3 12.3-3 Security Related, 10CFR2.390(d)(1) 12 12.3-42 12.3 12.3-4 Security Related, 10CFR2.390(d)(1) 12 12.3-43 12.3 12.3-5 Security Related, 10CFR2.390(d)(1) 12 12.3-44 12.3 12.3-6 Security Related, 10CFR2.390(d)(1) 12 12.3-45 12.3 12.3-7 Security Related, 10CFR2.390(d)(1) 12 12.3-46 12.3 12.3-8 Security Related, 10CFR2.390(d)(1) 12 12.3-47 12.3 12.3-9 Security Related, 10CFR2.390(d)(1) 12 12.3-48 12.3 12.3-10 Security Related, 10CFR2.390(d)(1) 12 12.3-49 12.3 12.3-11 Security Related, 10CFR2.390(d)(1) 12 12.3-50 12.3 12.3-12 Security Related, 10CFR2.390(d)(1) 12 12.3-51 12.3 12.3-13 Security Related, 10CFR2.390(d)(1) 12 12.3-52 12.3 12.3-14 Security Related, 10CFR2.390(d)(1) 12 12.3-53 12.3 12.3-15 Security Related, 10CFR2.390(d)(1) 12 12.3-54 12.3 12.3-16 Security Related, 10CFR2.390(d)(1) 12 12.3-55 12.3 12.3-17 Security Related, 10CFR2.390(d)(1) 12 12.4-5 12.4 12.4-1 Security Related, 10CFR2.390(d)(1)

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ENCLOSURE 3 WBN Unit 2 FSAR A104 List Of Files And File Sizes On The Security-Related OSM (OSM #1)

E3-1

ENCLOSURE 3 TVA Watts Bar Nuclear Plant Unit 2 FSAR Amendment 104 - List of Files on Security-Related OSM File Name File Size - Bytes TVA_WBN-2_FSAR_Files 001_TVA_WB_FSAR_TOC.pdf 361,989 002_TVA_WB_FSAR_LRP.pdf 94,749 003_TVA_WB_FSAR_Section_1.pdf 4,631,932 004_TVA_WB_FSAR_Section_2_A.pdf 10,460,967 005_TVA_WB_FSAR_Section_2_B_Part_1_of_2.pdf 44,610,674 005_TVA_WB_FSAR_Section_2_B_Part_2_of_2.pdf 49,572,722 006_TVA_WB_FSAR_Section_2_C.pdf 2,107,382 007_TVA_WB_FSAR_Section_2_D.pdf 31,323,867 008_TVA_WB_FSAR_Section_2_E.pdf 47,312,484 009_TVA_WB_FSAR_Section_3_A.pdf 2,617,354 010_TVA_WB_FSAR_Section_3_B.pdf 7,063,010 011_TVA_WB_FSAR_Section_3_C.pdf 30,016,072 012_TVA_WB_FSAR_Section_3_D.pdf 11,765,449 013_TVA_WB_FSAR_Section_4.pdf 12,544,471 014_TVA_WB_FSAR_Section_5.pdf 9,904,544 015_TVA_WB_FSAR_Section_6_A.pdf 26,018,757 016_TVA_WB_FSAR_Section_6_B.pdf 8,063,667 017_TVA_WB_FSAR_Section_7.pdf 13,985,504 018_TVA_WB_FSAR_Section_8.pdf 29,712,111 019_TVA_WB_FSAR_Section_9_A.pdf 24,504,563 020_TVA_WB_FSAR_Section_9_B.pdf 16,486,274 021_TVA_WB_FSAR_Section_10.pdf 14,150,430 022_TVA_WB_FSAR_Section_11.pdf 3,958,578 023_TVA_WB_FSAR_Section_12.pdf 5,975,010 024_TVA_WB_FSAR_Section_13.pdf 3,236,111 025_TVA_WB_FSAR_Section_14.pdf 1,166,799 Page 1 of 3

ENCLOSURE 3 TVA Watts Bar Nuclear Plant Unit 2 FSAR Amendment 104 - List of Files on Security-Related OSM File Name File Size - Bytes 026_TVA_WB_FSAR_Section_15.pdf 46,548,252 027_TVA_WB_FSAR_Section_16.pdf 157,966 028_TVA_WB_FSAR_Section_17.pdf 156,649 Total 458,508,337 TVA_WBN-2_Oversized_FSAR_Figures 001_TVA_WB_FSAR_Figure_2.5_3.pdf 1,757,743 002_TVA_WB_FSAR_Figure_2.5_11.pdf 1,689,538 003_TVA_WB_FSAR_Figure_2.5_71.pdf 2,263,087 004_TVA_WB_FSAR_Figure_2.5_222.pdf 909,429 005_TVA_WB_FSAR_Figure_2.5_281_1.pdf 2,155,627 006_TVA_WB_FSAR_Figure_2.5_281_2.pdf 2,117,562 007_TVA_WB_FSAR_Figure_2.5_549_1.pdf 3,600,807 008_TVA_WB_FSAR_Figure_2.5_549_2.pdf 3,989,180 009_TVA_WB_FSAR_Figure_2.5_549_3.pdf 2,863,719 010_TVA_WB_FSAR_Figure_2.5_549_4.pdf 2,809,599 011_TVA_WB_FSAR_Figure_2.5_550.pdf 1,803,985 012_TVA_WB_FSAR_Figure_2.5_551.pdf 1,996,869 013_TVA_WB_FSAR_Figure_2.5_554_1.pdf 3,081,060 014_TVA_WB_FSAR_Figure_2.5_554_2.pdf 1,996,707 015_TVA_WB_FSAR_Figure_2.5_555.pdf 1,993,312 016_TVA_WB_FSAR_Figure_2.5_556.pdf 2,998,087 017_TVA_WB_FSAR_Figure_2.5_571_1.pdf 844,484 018_TVA_WB_FSAR_Figure_2.5_571_2.pdf 3,128,329 019_TVA_WB_FSAR_Figure_2.5_571_3.pdf 3,284,555 020_TVA_WB_FSAR_Figure_2.5_571_4.pdf 2,142,316 021_TVA_WB_FSAR_Figure_2.5_572.pdf 2,196,945 Page 2 of 3

ENCLOSURE 3 TVA Watts Bar Nuclear Plant Unit 2 FSAR Amendment 104 - List of Files on Security-Related OSM File Name File Size - Bytes 022_TVA_WB_FSAR_Figure_2.5_573.pdf 2,013,286 023_TVA_WB_FSAR_Figure_2.5_576_1.pdf 3,238,525 024_TVA_WB_FSAR_Figure_2.5_576_2.pdf 2,151,750 025_TVA_WB_FSAR_Figure_2.5_577.pdf 2,207,622 026_TVA_WB_FSAR_Figure_2.5_578.pdf 2,080,032 027_TVA_WB_FSAR_Figure_2.5_579.pdf 2,308,985 028_TVA_WB_FSAR_Figure_2.5_583.pdf 2,487,346 029_TVA_WB_FSAR_Figure_2.5_588.pdf 2,528,515 030_TVA_WB_FSAR_Figure_2.5_589.pdf 2,480,438 031_TVA_WB_FSAR_Figure_2.5_594.pdf 13,054,127 032_TVA_WB_FSAR_Figure_2.5_595.pdf 2,323,267 033_TVA_WB_FSAR_Figure_2.5_596.pdf 5,732,107 034_TVA_WB_FSAR_Figure_2.5_597.pdf 1,287,336 035_TVA_WB_FSAR_Figure_2.5_602.pdf 5,549,537 036_TVA_WB_FSAR_Figure_2.5_603.pdf 4,830,835 037_TVA_WB_FSAR_Figure_2.5_604.pdf 6,392,279 038_TVA_WB_FSAR_Figure_2.5_605.pdf 20,823,108 Total 131,112,035 TVA_WBN-2_Oversized_FSAR_Table 001_TVA_WB_FSAR_Table_6.2.4-1.pdf 1,215,571 Total 1,215,571 Page 3 of 3

ENCLOSURE 4 WBN Unit 2 FSAR A104 List Of Files And File Sizes On The Publicly Available OSM (OSM #2)

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ENCLOSURE 4 TVA Watts Bar Nuclear Plant Unit 2 FSAR Amendment 104 List of Files on Publicly Available OSM File Name File Size - Bytes TVA_WBN-2_FSAR_Files 001_TVA_WB_FSAR_TOC.pdf 361,989 002_TVA_WB_FSAR_LRP.pdf 94,749 003_TVA_WB_FSAR_Section_1.pdf 825,347 004_TVA_WB_FSAR_Section_2_A.pdf 10,124,439 005_TVA_WB_FSAR_Section_2_B_Part_1_of_2.pdf 34,361,906 005_TVA_WB_FSAR_Section_2_B_Part_2_of_2.pdf 43,314,619 006_TVA_WB_FSAR_Section_2_C.pdf 2,107,382 007_TVA_WB_FSAR_Section_2_D.pdf 31,323,867 008_TVA_WB_FSAR_Section_2_E.pdf 45,933,070 009_TVA_WB_FSAR_Section_3_A.pdf 2,325,945 010_TVA_WB_FSAR_Section_3_B.pdf 5,661,316 011_TVA_WB_FSAR_Section_3_C.pdf 25,183,661 012_TVA_WB_FSAR_Section_3_D.pdf 11,496,763 013_TVA_WB_FSAR_Section_4.pdf 12,544,471 014_TVA_WB_FSAR_Section_5.pdf 9,904,544 015 TVA WB FSAR Section 6 A pdf 015_TVA_WB_FSAR_Section_6_A.pdf 23 138 284 23,138,284 016_TVA_WB_FSAR_Section_6_B.pdf 8,063,667 017_TVA_WB_FSAR_Section_7.pdf 13,985,504 018_TVA_WB_FSAR_Section_8.pdf 26,751,991 019_TVA_WB_FSAR_Section_9_A.pdf 24,243,527 020_TVA_WB_FSAR_Section_9_B.pdf 15,271,761 021_TVA_WB_FSAR_Section_10.pdf 14,150,430 022_TVA_WB_FSAR_Section_11.pdf 3,958,578 023_TVA_WB_FSAR_Section_12.pdf 1,706,993 024_TVA_WB_FSAR_Section_13.pdf 3,236,111 025_TVA_WB_FSAR_Section_14.pdf 1,166,799 Note: Byte amounts in italics are redacted files. Page 1 of 3

ENCLOSURE 4 TVA Watts Bar Nuclear Plant Unit 2 FSAR Amendment 104 List of Files on Publicly Available OSM File Name File Size - Bytes 026_TVA_WB_FSAR_Section_15.pdf 46,548,252 027_TVA_WB_FSAR_Section_16.pdf 157,966 028_TVA_WB_FSAR_Section_17.pdf 156,649 Total 418,100,580 TVA_WBN-2_Oversized_FSAR_Figures 001_TVA_WB_FSAR_Figure_2.5_3.pdf 1,757,743 002_TVA_WB_FSAR_Figure_2.5_11.pdf 1,689,538 003_TVA_WB_FSAR_Figure_2.5_71.pdf 2,263,087 004_TVA_WB_FSAR_Figure_2.5_222.pdf 909,429 005_TVA_WB_FSAR_Figure_2.5_281_1.pdf 2,155,627 006_TVA_WB_FSAR_Figure_2.5_281_2.pdf 2,117,562 007_TVA_WB_FSAR_Figure_2.5_549_1.pdf 3,600,807 008_TVA_WB_FSAR_Figure_2.5_549_2.pdf 3,989,180 009_TVA_WB_FSAR_Figure_2.5_549_3.pdf 2,863,719 010_TVA_WB_FSAR_Figure_2.5_549_4.pdf 2,809,599 011 TVA WB FSAR Figure 2 5 550 pdf 011_TVA_WB_FSAR_Figure_2.5_550.pdf 1 803 985 1,803,985 012_TVA_WB_FSAR_Figure_2.5_551.pdf 1,996,869 013_TVA_WB_FSAR_Figure_2.5_554_1.pdf 3,081,060 014_TVA_WB_FSAR_Figure_2.5_554_2.pdf 1,996,707 015_TVA_WB_FSAR_Figure_2.5_555.pdf 1,993,312 016_TVA_WB_FSAR_Figure_2.5_556.pdf 2,998,087 017_TVA_WB_FSAR_Figure_2.5_571_1.pdf 844,484 018_TVA_WB_FSAR_Figure_2.5_571_2.pdf 3,128,329 019_TVA_WB_FSAR_Figure_2.5_571_3.pdf 3,284,555 020_TVA_WB_FSAR_Figure_2.5_571_4.pdf 2,142,316 021_TVA_WB_FSAR_Figure_2.5_572.pdf 2,196,945 Note: Byte amounts in italics are redacted files. Page 2 of 3

ENCLOSURE 4 TVA Watts Bar Nuclear Plant Unit 2 FSAR Amendment 104 List of Files on Publicly Available OSM File Name File Size - Bytes 022_TVA_WB_FSAR_Figure_2.5_573.pdf 2,013,286 023_TVA_WB_FSAR_Figure_2.5_576_1.pdf 3,238,525 024_TVA_WB_FSAR_Figure_2.5_576_2.pdf 2,151,750 025_TVA_WB_FSAR_Figure_2.5_577.pdf 2,207,622 026_TVA_WB_FSAR_Figure_2.5_578.pdf 2,080,032 027_TVA_WB_FSAR_Figure_2.5_579.pdf 2,308,985 028_TVA_WB_FSAR_Figure_2.5_583.pdf 2,487,346 029_TVA_WB_FSAR_Figure_2.5_588.pdf 2,528,515 030_TVA_WB_FSAR_Figure_2.5_589.pdf 2,480,438 031_TVA_WB_FSAR_Figure_2.5_594.pdf 13,054,127 032_TVA_WB_FSAR_Figure_2.5_595.pdf 2,323,267 033_TVA_WB_FSAR_Figure_2.5_596.pdf 5,732,107 034_TVA_WB_FSAR_Figure_2.5_597.pdf 1,287,336 035_TVA_WB_FSAR_Figure_2.5_602.pdf 5,549,537 036_TVA_WB_FSAR_Figure_2.5_603.pdf 4,830,835 037_TVA_WB_FSAR_Figure_2.5_604.pdf 6,392,279 038 TVA WB FSAR Figure 2 5 605 pdf 038_TVA_WB_FSAR_Figure_2.5_605.pdf 20 823 108 20,823,108 Total 131,112,035 TVA_WBN-2_Oversized_FSAR_Table 001_TVA_WB_FSAR_Table_6.2.4-1.pdf 1,215,571 Total Note: Byte amounts in italics are redacted files. Page 3 of 3

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