ML11333A054

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Final Safety Analysis Report, Amendment 107
ML11333A054
Person / Time
Site: Watts Bar Tennessee Valley Authority icon.png
Issue date: 11/17/2011
From: Stinson D
Tennessee Valley Authority
To:
Document Control Desk, Office of Nuclear Reactor Regulation
References
Download: ML11333A054 (36)
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Text

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 November 17, 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 107

References:

1. TVA letter to NRC dated September 15, 2011, "Watts Bar Nuclear Plant (WBN) - Unit 2 - Final Safety Analysis Report (FSAR), Amendment 106"
2. TVA letter to NRC dated October 17, 2011, "Watts Bar Nuclear Plant (FSAR) - Chapter 15.5 Fuel Handling Accident (FHA) Dose Analysis"
3. TVA letter to NRC dated November 7, 2011, "Meteorology Data for Accident Dose Analysis" This letter transmits WBN Unit 2 FSAR Amendment 107 (Al 07), which reflects changes made since the issuance of Amendment 106 on September 15, 2011 (Reference 1). contains a summary listing of FSAR sections and corresponding Unit 2 change package numbers associated with the A107 FSAR changes.

FSAR Al 07 is contained on the enclosed Optical Storage Media (OSM #1) (Attachment 1).

The FSAR contains security-related information identified by the designation "Security-Related Information - Withhold Under 10 CFR 2.390." TVA hereby requests this information be withheld from public disclosure in accordance with the provisions of 10 CFR 2.390. A redacted version of the FSAR is contained on OSM #2 (Attachment 2),

which is suitable for public disclosure. contains a listing of the FSAR pages that have been redacted. Enclosure 3 lists the files and file sizes on the security-related OSM (OSM #1), and Enclosure 4 lists the files and file sizes on the publicly available OSM (OSM #2).

0O<

U.S. Nuclear Regulatory Commission Page 2 November 17, 2011 A107 addresses the outstanding portion of Supplemental Safety Evaluation Report (SSER) 24, Item No. 91. (See Enclosure 1, Item 13.) Item No. 91 had been partially addressed by Amendment 106 (Reference 1). A107 also incorporates information previously provided by References 2 and 3. In addition, to maintain consistency with updates to the Unit 1 Updated Final Safety Analysis Report (UFSAR), this amendment adopts a portion of those UFSAR Amendment 9 changes. Other UFSAR changes were not adopted mostly due to known differences between the units.

There are no new commitments made in this letter. This letter does not close any "Generic Communications." If you have any questions, please contact Gordon Arent at (423) 365-2004.

I declare under the penalty of perjury that the foregoing is true and correct. Executed on the 17 th day of November, 2011.

Respectfully, David Stinson Watts Bar Unit 2 Vice President

Enclosures:

1. WBN Unit 2 FSAR Al 07, "Summary Listing of Al 07 FSAR Changes"
2. WBN Unit 2 FSAR Al 07, "Summary of Redacted Pages"
3. WBN Unit 2 FSAR Al 07, "List of files and file sizes on the security-related OSM (OSM #1)"
4. WBN Unit 2 FSAR Al 07, "List of files and file sizes on the publicly available OSM (OSM #2)"

Attachments:

1. OSM #1: WBN Unit 2 FSAR Amendment 107 - Security-Related Information - Withhold Under 10 CFR 2.390
2. OSM #2: WBN Unit 2 FSAR Amendment 107 - Publicly Available Version cc: See Page 3

U.S. Nuclear Regulatory Commission Page 3 November 17, 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

ENCLOSURE 1 WBN Unit 2 FSAR A107 "Summary Listing of A107 FSAR Changes" Change Item No. Change Area Change Description Package Number 1 Table 3.2-2 Delete from Table 3.2-2 (Page 16 of 18) "Miscellaneous; 2-107-01 Gas Stripper & Boric Acid; Evap. Pkg."

For Table 3.9-25, revise method of actuation from "motor" to "air" and valve type from "Gate" to "Globe" for the following list of valves:

1,2-FCV-90-107 1,2-FCV-90-108 1,2-FCV-90-109

2. Table 3.9-25 1,2-FCV-90-110 2-107-02 1,2-FCV-90-1 11 1,2-FCV-90-113 1,2-FCV-90-114 1,2-FCV-90-115 1,2-FCV-90-116 1,2-FCV-90-117
3. Table 3.9-25 Remove valve CKV-31-2193 from FSAR Table 3.9-25, 2-107-03 Sheet 8 of 23.
1. On FSAR Table 3.9-17, Sheet 6 of 9, change the valve type for valve CKV-63-868 from "Angle" to "Check."
2. Move valve RFV-63-28 from FSAR Table 3.9-25, Sheet 12 of 23, to FSAR Table 3.9-17, Sheet 6 of 9.
3. On FSAR Table 3.9-25, Sheet 15 of 23, add valve 2-FCV-67-146.
4. On FSAR Table 3.9-25, Sheet 17 of 23, change valve number TCV-67-1053-B to 0-TCV-671053-B.
4. Table 3.9-17 5. On FSAR Table 3.9-25, Sheet 17 of 23, change valve 2-107-04 Table 3.9-25 number CKV-67-517A to 0-CKV-67-517A.
6. On FSAR Table 3.9-25, Sheet 17 of 23, change valve number CKV-67-512A to 0-CKV-67-512A.
7. On FSAR Table 3.9-25, Sheet 17 of 23, change valve number CKV-67-940A to 1-CKV-67-940A.
8. On FSAR Table 3.9-25, Sheet 17 of 23, change valve number CKV-67-935B to 2-CKV-67-935B.
9. On FSAR Table 3.9-25, Sheet 17 of 23, change valve number CKV-67-503D to 0-CKV-67-503D.

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ENCLOSURE11 WBN Unit 2 FSAR A107 "Summary Listing of A107 FSAR Changes" Change Item No. Change Area Change Description Package Number

10. On FSAR Table 3.9-25, Sheet 17 of 23, change valve number CKV-67-503E to O-CKV-67-503E as shown on the attached FSAR markup.
11. On FSAR Table 3.9-25, Sheet 17 of 23, change valve number CKV-67-503F to 0-CKV-67-503F.
12. On FSAR Table 3.9-25, Sheet 17 of 23, change valve number CKV-67-503G to O-CKV-67-503G.
13. On FSAR Table 3.9-25, Sheet 17 of 23, change valve number CKV-67-503H to 0-CKV-67-503H.
14. On FSAR Table 3.9-25, Sheet 18 of 23, change valve number CKV-67-502A to 0-CKV-67-502A.
15. On FSAR Table 3.9-25, Sheet 18 of 23, change valve number CKV-67-502B to 0-CKV-67.502B.
16. On FSAR Table 3.9-25, Sheet 18 of 23, change valve
4. Table 3.9-17 number CKV-67-502C to 0-CKV-67-502C. 2-107-04 (cont.) Table 3.9-25
17. On FSAR Table 3.9-25, Sheet 18 of 23, change valve number CKV-67-502D to 0-CKV-67-502D.
18. On FSAR Table 3.9-25, Sheet 18 of 23, change valve number CKV-67-502E to 0-CKV-67-502E.
19. On FSAR Table 3.9-25, Sheet 18 of 23, change valve number CKV-67-502F to 0-CKV.67-502F.
20. On FSAR Table 3.9-25, Sheet 18 of 23, change valve number CKV-67-502G to 0-CKV-67-502G.
21. On FSAR Table 3.9-25, Sheet 18 of 23, change valve number CKV-67-502H to 0-CKV-67-502H.
22. On FSAR Table 3.9-25, Sheet 18 of 23, change valve number FSV-67-1221-A to 0-FSV-67-1221-A.
23. On FSAR Table 3.9-25, Sheet 18 of 23, change valve number PCV-67-1222 to 0-PCV-67-1222.

E11-2

ENCLOSUREI WBN Unit 2 FSAR A107 "Summary Listing of A107 FSAR Changes" Change Item No. Change Area Change Description Package Number

24. On FSAR Table 3.9-25, Sheet 18 of 23, change valve number TCV-67-1222A to 0-TCV-67-1222A.
25. On FSAR Table 3.9-25, Sheet 18 of 23, change valve number TCV-67-1222B to 0-TCV-67-1222B.
4. 26. On FSAR Table 3.9-25, Sheet 18 of 23, change valve

. Table 3.9-1 number FSV-67-1223-B to 0-FSV-67-1223-B. 2-107-04 (cont.) Table 3.9-25

27. On FSAR Table 3.9-25, Sheet 18 of 23, change valve number PCV-67-1224 to 0-PCV-67-1224.
28. On FSAR Table 3.9-25, Sheet 18 of 23, change valve number TCV-67-1224A to 0-TCV-67-1224A.
29. On FSAR Table 3.9-25, Sheet 18 of 23, change valve number TCV-67-1224B to 0-TCV-67-1224B.
1. Identify valves FCV-43-75 and FCV-43-77 on FSAR Tables 3.9-25 and 3.9-26 as Unit 1 valves as shown on the attached FSAR markup.
2. Identify valves PCV-43-200A and PCV-43-200B on FSAR Table 3.9-25 as Unit 1 valves as shown on the attached FSAR markup.
3. Identify valves FCV-43-207-B and FCV-43-208-B on FSAR Tables 3.9-25 and 3.9-26 as Unit 1 valves as shown on the attached FSAR markup.
5. Table 3.9-25 4. Identify valves FCV-43-435 and FCV-43-436 on FSAR 2-107-05 Table 3.9-26 Table 3.9-25, Sheet 12 of 23, as Unit 1 valves as shown on the attached FSAR markup.
5. Identify valves FSV-43-250, FSV-43-251, FSV 287, FSV-43-288, FSV-43-307, FSV-43-309, FSV 310, FSV-43-318, FSV-43-319, FSV-43-325, FSV 341 and FSV-43-342 on FSAR Table 3.9-26 as Unit 1 valves as shown on the attached FSAR markup.
6. Identify valves43-834, 43-841,43-883 and 43-884 on FSAR Table 3.9-26 as Unit 1 valves as shown on the attached FSAR markup.

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ENCLOSURE1 WBN Unit 2 FSAR A107 "Summary Listing of A107 FSAR Changes" Change Item No. Change Area Change Description Package Number On Table 6.3-1 (page 3 of 4) change Maximum Stroke

6. Table 6.3-1 Time for valves FCV-63-25 and -26 from 12 sec to 20 2-107-06 sec.
1. Revise the "Method of Failure Detection" column for Item 68 on FSAR Table 9.3-7, Sheet 39 of 45, by correcting the hand switch numbers from "2-HS-172A and -175A" to "2-HS-3-172A and -175A" as shown on the attached FSAR markup. Also correct the valve numbers identified in the "Effect on Plant" column for 7 Table 9.3-7 Item 68 from "2-LCV-3-173 and -74" to "2-LCV-3-173 2-107-07 and -174" as shown on the attached FSAR markup.
2. Revise the valve number in the "Effect on System" column for Item 73 on FSAR Table 9.3-7, Sheet 41 of 45, from "2-FCV-81" to "2-FCV-32-81" as shown on the attached FSAR markup.
1. On FSAR Table 9.4-4, Sheet 1 of 16, revise the "Remarks" column for Item 1.
2. On FSAR Table 9.4-4, Sheet 2 of 16, delete the line which separates the table into two parts. Also, revise the "Component Identification," "Function," "Method of Failure Detection," "Effect On System" and "Remarks" columns for Item 2.
3. On FSAR Table 9.4-4, Sheet 3 of 16, revise the "Method of Failure Detection" and "Remarks" columns for Item 2.
4. On FSAR Table 9.4-4, Sheet 4 of 16, revise the "Remarks" column for Item 2.
8. Table 9.4-4 5. On FSAR Table 9.4-4, Sheet 5 of 16, revise the 2-107-08 "Failure Mode," "Effect on System" and "Remarks" columns for Item 3.
6. On FSAR Table 9.4-4, Sheet 6 of 16, revise the "Method of Failure Detection," "Effect on System,"

"Effect on Plant" and "Remarks" columns for Item 4.

7. On FSAR Table 9.4-4, Sheet 7 of 16, revise the "Component Identification," "Function," "Method of Failure Detection," "Effect on System" and "Remarks" columns for Item 5.
8. On FSAR Table 9.4-4, Sheet 8 of 16, revise the "Method of Failure Detection" and "Remarks" columns for Item 5.

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ENCLOSUREI WBN Unit 2 FSAR A107 "Summary Listing of A107 FSAR Changes" Change Item No. Change Area Change Description Package Number

9. On FSAR Table 9.4-4, Sheet 9 of 16, revise the "Potential Cause," "Effect on System" and "Remarks" columns for Item 6.
10. On FSAR Table 9.4-4, Sheet 10 of 16, revise the "Potential Cause" column for Item 8 and the "Method of Failure Detection," "Effect on System" and "Remarks" columns for Items 7 and 8.
11. On FSAR Table 9.4-4, Sheet 11 of 16, revise the "Function," "Method of Failure Detection," "Effect on System" and "Remarks" columns for Item 9.
12. On FSAR Table 9.4-4, Sheet 12 of 16, revise the "Function," "Potential Cause," "Effect on System" and "Remarks" columns for Item 10 and the "Remarks" 8.

Table 9.4-4 column for Item 11. 2-107-08 (cont.)

13. On FSAR Table 9.4-4, Sheet 13 of 16, revise the "Function" and "Remarks" columns for Items 12 and 13 and the "Effect on System" column for Item 12.
14. On FSAR Table 9.4-4, Sheet 14 of 16, revise the "Remarks" column for Item 14.
15. On FSAR Table 9.4-4, Sheet 15 of 16, revise the "Method of Failure Detection" and "Effect on System" columns for Item 17 and the "Remarks" column for Items 15 and 17.
16. On FSAR Table 9.4-4, Sheet 16 of 16, revise the "Component Identification," "Potential Cause" and "Remarks" columns for Item 18.

In the last sentence of the first paragraph of FSAR

9. 9.4 Section 9.4.7.2.3, change the identification of the Unit 1 2-107-09 Lower Compartment Cooler (LCC) that has a reduced cooling capacity from LCC 1D-B to LCC 1C-A.
1. On Page 2.4-22 (A106), delete the word "only" from the last line of the page.
2. On Page 2.4-23 (A106), replace the partial paragraph at the top of the page prior to the "Flood Routing," to
10. 2.4 read as follows: 2-107-10 "baskets are not required to be stable following an OBE or SSE and are not assumed to increase the height of the embankments."

E1-5

ENCLOSUREI WBN Unit 2 FSAR A107 "Summary Listing of A107 FSAR Changes" Change Item No. Change Area Change Description Package Number

3. On Page 2.4-28, replace the next to last paragraph which begins with "This combination was not run..."

with the following paragraph:

In the hydrological routing for these postulated failures, the headwater at Watts Bar Dam would reach elevation 763.1 ft., 6.9 ft. below the top of the dam.

The west saddle dike at Watts Bar with a top elevation of 757 would be overtopped and breached. A complete washout of the dike is assumed.

Chickamauga Dam headwater would reach 702.95 ft.,

3.05 ft. below the top of the dam. The embankments at Nickajack Dam would be overtopped but were conservatively postulated not to breach.

4. On Page 2.4-28, delete the words, "using the Bellefonte Nuclear" in the last line of the page.
5. On Page 2.4-29, delete the words, "Plant analysis,"

from the beginning of the first line of the page.

6. On Page 2.4-29, revise the cfs flow value from
10. "1,104,323" to "902,687" in the first line at the top of 2-17-1 2.4 the page. 2-107-10 (cont.)
7. On Page 2.4-29, revise the peak elevation and height above plant grade from "729.22, 1.22" to 729.07, 1.07" respectively.
8. On Page 2.4-31, Insert the following "Loudoun" and "The" in the second paragraph of page:

"The sand baskets are assumed to fail in the SSE and are thus not credited for increasing the height of the Fort Loudoun embankments."

9. On Page 2.4-31, delete the phrase, "sand backets as well as the," from the third line of the second paragraph from the top of the page.
10. On Page 2.4-31, replace the values for "headwater elevation" and "feet below the top of the earth embankment" in the fourth line of the second paragraph from "765.49, 4.51," to "765.54, 4.46,"

respectively.

____________ L I I E1-6

ENCLOSURE I WBN Unit 2 FSAR A107 "Summary Listing of A107 FSAR Changes" Change Item No. Change Area Change Description Package Number

11. On Page 2.4-31, replace the values for "Chickamauga Dam elevation" and "feet below the top of dam," in the seventh line of the second paragraph from "701.10 ft.,

4.91," to "701.14, 4.86," respectively.

12. On Page 2.4-31, revise the maximum discharge value from "977,618" to "979,385" in the third paragraph from the top of the page.
13. On Page 2.4-31, revise the values for the "site elevation" and "feet above plant grade" in the second line of the third paragraph from the top of the page from "731.11, 3.11" to 731.17, 3.17," respectively.
10. 2.4 14. On Page 2.4-31, revise figure reference in the fourth 2-107-10 (cont.) paragraph from the top of the page from "2.4-113" to "2.4-114."
15. On Page 2.4-82, Table 2.4-14, revise the values for Watts Bar Nuclear elevations for Item 2 and Item 5 from "729.22" to 729.07" and from "731.11" to "731.17," respectively.
16. Delete Figure 2.4-113 on Page 2.4-244.
17. For Figure 2.4-114 on Page 2.4-245, revise peak elevation value from "731.11" to "731.37."
18. For Figure 2.4-116 on Page 2.4-247, revise peak elevation value from "729.22" to "729.07."

On FSAR Table 3.9-25, Sheet 1 of 15, change the

11. Table 3.5-25 Function/Description for valves FCV-1-181, FCV-1-182, 2-107-11 FCV-1-183 and FCV-1-184 from "Containment Isolation" to "Blowdown Isolation".

Revise the text for FSAR section 15.5.6, and Tables 15.5-Section 15.5 2, 15.5-3, 15.5-6, 15.5-12, 15.5-14, 15.5-17, 15.5-18, Table 15,5-2 15.5-19, 15.5-20, 15.5-20a (new) and 15.5-23 as shown on the attached markup to reflect changes In calculations Table 15.5-6 WBNTSR008, R14, WBNTSR009, R14, WBNTSR080, Table 15.5-12 R9, WBNAPS3077, R14, & WBNAPS3104, R4. The Table 15,5-14 calculations were changed to reflect changes in

12. Table 15.5-17 Atmospheric Dispersion Coefficients (X/Os), and to reflect 2-107-12 Table 15.5-18 changes In the Fuel Handling Accident (FHA) dose Table 15.5-19 calculation methodology. The revisions Include changes In X/Os and offsite and main control room radiation doses Table 15.5-20a for the Fuel Handling Accident and Main Control Room Table 15.5-23a dose for the Steam Generator Tube Rupture, Loss of Off Site Power, & Main Steam Line Break. In addition, tables were revised to reference tables containing Meteorological conditions.

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ENCLOSURE1 WBN Unit 2 FSAR A107 "Summary Listing of A107 FSAR Changes" Change Item No. Change Area Change Description Package Number On FSAR Section 9.2.1.3, add a paragraph after the sixth paragraph on FSAR page 9.2-7 (A106) which states the following:

"A calculation has been performed that demonstrates there is sufficient ERCW and CCS capability to meet the GDC 5 requirement to bring the non-accident unit to cold

13. shutdown. This calculation shows the non-accident unit SSER Section 9.2.1.3 can reach cold shutdown within 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> from entry into 2-107-13 Item No. the Hot Standby mode. This cooldown analysis is 91 performed with CCS carrying all required loads on both the accident and (later in the event) the non-accident unit, including the Spent Fuel Pool. The Core Decay Heat used in the calculation is consistent with the decay heat used in the normal cooldown analysis. The analysis is conservative in that, once RHR is placed inservice, credit for decay heat removal by the Steam Generators /

Auxiliary Feedwater System is no longer taken."

1. Revise FSAR Figure 6.3-2 for the "Performance
14. .Table 5.5-8 Curves for the RHR Pumps" for Unit 2. 2-107-14 Figure 6.3.2 2. Revise FSAR Table 5.5-8 for the RHR System Component Data for Unit 2.
1. In FSAR Section 2.3.3.1, replace the paragraph under Data Acquisition System with the paragraph as follows:

"The data acquisition system is located at the EDS and consists of meteorological sensors, a computer (with peripherals), and various interface devices.

These devices send meteorological data to the plant,

15. Section 2.3 to the Central Emergency Control Center (CECC), and 2-107-15 to an offsite computer that enables call-up for data validation and archiving. An older data collection system, which included a NOVA microcomputer, was replaced on March 2, 1989. The previous data collection system, which included a micro-VAX minicomputer, was replaced by a new system on May 24, 2010."

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ENCLOSURE I WBN Unit 2 FSAR A107 "Summary Listing of A107 FSAR Changes" Change Item No. Change Area Change Description Package Number

2. In FSAR Section 2.3.3.1, replace the second paragraph under Data Recording and Display with the paragraph as follows:

"Meteorological sensor outputs (except rainfall) are measured every five seconds (720 per hour). Rainfall is measured continuously as it occurs. Software data processing routines within the computer accumulate output and perform data calculations to generate 15-minute and hourly averages of wind speed and temperature, 15-minute and hourly vector wind speed and direction, 15-minute and hourly total precipitation, hourly average of dewpoint, and hourly horizontal wind direction sigmas. Prior to February 11, 1987, a

15. Section 2.3 prevailing wind direction calculation method was used. 2-107-15 (cont.) Subsequently, vector wind speed and direction have been calculated along with arithmetic average wind speed. Prior to February 1,1975, only one reading of temperature and dewpoint was made each hour.

Between February 1, 1975 and June 13, 2010, temperature and dewpoint were measured every minute (60 per hour)."

3. In FSAR Section 2.3.3.3, add reference to Tables 2.3-76 through 2.3-83.
4. In FSAR Section 2.3.3.3, add reference to figures 2.3-7a through 2.3-13a.

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ENCLOSURE 1 WBN Unit 2 FSAR A107 "Summary Listing of A107 FSAR Changes" Change Item No. Change Area Change Description Package Number

5. In FSAR Section 2.3.3.3, add the paragraphs after the fourth paragraph, as follows:

"Because of the time that elapsed between completion of Unit 1 and licensing of Unit 2, additional analyses were performed based on the 20-year period 1991-2010 to reflect more recent meteorological conditions.

Tables 2.3-76 through 2.3-83 (and Figures 2.3-7a through 2.3-13a) present summaries of hourly data for the wind at 10 meters and vertical temperature difference (-T) between 10 and 46 meters (in the form of stability classes A-G).

Overall, the 1991-2010 data are comparable with data from earlier periods. However, some significant differences are apparent:

" There is a significant increase in the frequency of the "G" stability class (from 7.758% to 11.426%), while all other stability classes change by a much smaller rate (less the 1.6% change).

15. . The average wind speed decreased from over 4.0 (cont.) Section 2.3 miles per hour to about 3.6 miles per hour. 2-107-15

" The number of calms decreased from 4930 to 3839.

While this appears to be inconsistent with the decrease in wind speeds, it likely results from changes in wind sampling instrumentation that improved measurements of low-wind speed conditions.

" Although no individual wind direction frequency had a difference greater than +/-1.8%, there is a noticeable increase in winds from the southwest through north-northwest (-6.1%), with a corresponding decrease in winds from the north-northeast through east (-4.6%)

and southeast through south-southwest (-1.9%).

The FSAR Chapter 11 normal release evaluation was done using the meteorology data from the time period of 1986 to 2005 and is consistent with the Supplemental Environmental Impact Statement. The updated meteorology data from the time period of 1991 to 2010 as described above is reflected in FSAR section 2.3.4 and is used in the Chapter 15 accident analysis."

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ENCLOSUREI WBN Unit 2 FSAR A107 "Summary Listing of A107 FSAR Changes" Change Item No. Change Area Change Description Package Number

6. In FSAR Section 2.3.4.1, replace the first paragraph with the following:

"Estimates of atmospheric diffusion for accident releases are expressed as dispersion factors (x/Q) calculated for specified time intervals based on ground-level releases from the Watts Bar Nuclear Plant. Three different set of calculations have been performed for the Watts Bar FSAR. The original FSAR calculations were based on data collected at the Watts Bar onsite meteorological facility during July 1, 1973 through June 30, 1975 and R.G. 1.4 methodology. [42] The revised x/Q values were based on onsite meteorological data for 1974 through 1993 and RG 1.145 calculation methodology.I41l The latest x/Q values are also based on the RG 1.145 calculation methodology, but use onsite meteorological data for 1991 through 2010. All data used include wind direction and wind speed at 10 meters above ground and vertical temperature difference (AT) between 10 and 46 meters above ground. The latest xIQ values at the exclusion area

15. boundary and at the outer boundary of the low (cont.) Section 2.3 population zone (LPZ) were calculated as stated 2-107-15 below."
7. In FSAR Section 2.3.4.2, replace the first four paragraphs with the following:

The original FSAR values are presented with the updated bases for comparison.

The 1-hour sector-specific and overall (all directions combined) atmospheric dispersion factors (x/Q) for the exclusion boundary are presented in Table 2.3-61 based on the 15 year data set of 1974-1988, in Table 2.3.61a based on the 20-year data set of 1974-1993, and in Table 2.3.61 b based on the 20-year data set of 1991-2010. The maximum 0.5th and 5th percentile3 x/Q values from 1974-1988 are 6.040 x 10-4 sec/m and 5.323 x 10-4 sec/m 3 . The maximum 0.5th and 5th percentile x/Q values from 1974-1993 are 6.069 x 10-4sec/m3 and 5.263 x 10-5 sec/m3. The maximum 0.5th and 5th percentile x/Q values from 1991-2010 are 6.382 x 10-4sec/m 3 and 5.486 x 10-4sec M3 . The 1991-2010 x/Q values are slightly higher (-5%) than the earlier values.

El-11

ENCLOSURE1 WBN Unit 2 FSAR A107 "Summary Listing of A107 FSAR Changes" Change Item No. Change Area Change Description Package Number The 1-hour 0.5th percentile, 1-hour 5th percentile, and annual average x/Q values for each of the 16 plume sectors and the 1-hour overall 0.5th and 5th percentile x/Q values for the low population zone distance are presented in Table 2.3-62 based on 1974-1988, Table 2.3-62a based on 1974-1993, and Table 2.3-62b based on 1991-2010. For the maximum values in each category, the 1991-2010 x/Q values are slightly higher than the earlier values.

For 8-hour, 16-hour, 3-day, and 26-day averaging periods, the x/Q values were obtained by logarithmic interpolation between the 1-hour and annual average x/Q values. The 5th percentile overall site 1-hour x/Q and the maximum sector annual average x/Q were used to produce the values given in Table 2.3-63 (1974-1988), Table 2.3-63a (1974-1993), and Table 2.3-63b (1991-2010).

The 0.5th percentile 1-hour x/Q and annual average x/Q for each sector were used to produce the values given in Table 2.3-64 (1974-1988), Table 2.3-64a (1974-

15. 1993), and Table 2.3-64b (1992-2010). The respective (cont.) Section 2.3 values (and affected sectors) are: 2-107-15 Period 1974-1988 1974-1993 1991-2010 8-hour 6.765 x 10" SE 6.677 X 10" SE 8.835 x 10- E 16-hour 4.629 x 10= SE 4.592 x 10V SE 6.217 x 10-" E 3-day 2.032 x 10-b SE 2.041 x 10V E 2.900x 1O- E 26-day 6.257 x 10- ESE 6.553 x 10- ESE 9.811 x 10` ESE
8. In FSAR Section 2.3.4.2, replace the last paragraph with the paragraph as follows:

"Dispersion meteorology used in accident analyses in Chapter 15 include x/Q values in Table 2.3-66b and 1/U values in Table 2.3-67b. These values were based on the 20-year data set for 1991-2010. Tables 2.3-66 and 2.3-67 present the same information based on 1974-1988. Tables 2.3-66a and 2.3-67a present the same information based on 1974-1993."

9. In FSAR section 2.3.5, delete the words "20 year" in the last paragraph on page 2.3-17.

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ENCLOSURE1 WBN Unit 2 FSAR A107 "Summary Listing of A107 FSAR Changes" Change Item No. Change Area Change Description Package Number

10. Renumber FSAR Table 2.3-65 to 2.3-640 and insert new page indicating Table 2.3-65 has been deleted by Amendment 107.
11. Add new FSAR Tables 2.3-61b, 2.3-62b, 2.3-63b, 2.3-64b, 2.3-66b and 2.3-67b to the FSAR.
12. Add new FSAR Tables 2.3-76, 2.3-77, 2.3-78, 2.3-79, 2.3-80, 2.3-81, 2.3-82 and 2.3-83 to the FSAR.
13. Add new FSAR Figures 2.3-7a, 2.3-8a, 2.3-9a, 2.3-1Oa, 2.3-1 la, 2.3-12a and 2.3-13a to the FSAR.
15. 14. Revise the FSAR List of Tables to change FSAR Section 2.3 Table 2.3-65 to 2.3-64A and include FSAR Table 2.3- 2-107-15 (cont.) 65 with the title indicating it was deleted by Amendment 107.
15. Add new Tables 2.3-61 b, 2.3-62b, 2.3-63b, 2.3-64b, 2.3-66b and 2.3-67b with titles to the FSAR List of Tables.
16. Revise the FSAR List of Tables to add Tables 2.3-76, 2.3-77, 2.3-78, 2.3-79, 2.3-80, 2.3-81 2.3-82 and 2.3-83.
17. Revise the FSAR List of Figures to add Figures 2.3-7a, 2.3-8a, 2.3-9a, 2.3-1 Oa, 2.3-11a, 2.3-12a and 2.3-13a.

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ENCLOSURE 1 WBN Unit 2 FSAR A107 "Summary Listing of A107 FSAR Changes" Change Item No. Change Area Change Description Package Number

1. Add the following as Note 8 to Section 1.1.3:

"8. The following commitment was made for the nuclear industry in NEI 07-07, "Ground Water Protection Initiative:"

NEI 07-07 was developed to describe the industry's Ground Water Protection Initiative. The Ground Water Protection Initiative identifies actions to improve utilities' management and response to instances where the inadvertent release of radioactive substances may result in low but detectable levels of plant-related materials in subsurface soils and water.

It is expected that this Initiative will be Section 1.1 implemented by each member company currently Section 3.5 operating or decommissioning a nuclear power Section 6.3 plant and by each member company constructing Section 6.9 a new plant after year 2006."

Section 9.3 16 2-107-16 Section 9.4 2. On Page 3.5-27 (Al 06), insert the following after the Section 12.3 fourth paragraph:

Section 14.2 Section 15.4 The structural steel grillage roof system for the Intake (UFSAR, A9) Pumping Station was designed for impact from the tornado missiles listed in FSAR Table 3.5-9. The EPRI testing results (Reference 21) were used to determine the possible maximum impact force for the steel grillage roof system.

The force-time history of the end impact loading was further refined to account for the stiffness of the missile and the target. The impulse-momentum principle (References 22 and 23) was used to analyze the midspan and end impacts. For the midspan impact, the response of the elastic-plastic single-degree system was considered along with a maximum ductility ratio of p = 20 for bending deformation (Reference 8).

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ENCLOSUREI WBN Unit 2 FSAR A107 "Summary Listing of A107 FSAR Changes" Change Item No. Change Area Change Description Package Number

3. On Page 3.5-30, insert the following references:

(21)Stephenson, A. E., and G. E. Sliter, "Full-Scale Tornado-Missile Impact Tests," Electric Power Research Institute Final Report, EPRI NP-440, July 1977.

(22)Civil Design Guide DG-C1.5.7, Rev. 1, "Design of Slabs for Missile Impact."

(23)Topical Report TVA-TR78-4, "Design of Structures to Resist Missile Impact," TVA Office of Engineering Design and Construction (B41 851204 002).

4. In Table 6.3-8, Sheet 4, Page 6.3-49 (A106), replace the term "RADCON" under "Method of Detection" for Section 1.1 Item 3 with "radiation protection."

Section 3.5 Section 6.3 5. In Table 6.3-8, Sheet 14, Page 6.3-59 (A106), replace Section 6.9 the term "RADCON" under "Method of Detection" for 16 Section 9.3 Item 15 with "radiation protection."

2-107-16 (cont.) Section 9.4 Section 12.3 6. In Table 6.3-8, Sheet 27, Page 6.3-72 (A106), replace Section 14.2 the term "RADCON" under "Method of Detection" for Section 15.4 Item 27 with "radiation protection."

(UFSAR, A9)

7. On Page 6.9-1, replace the following two sentences that read: "Compliance with final TR and NRC SE is address in MMDP-5. See References [2.3, 4 and 5}

for specific details" with "References 2 and 4.

8. On Page 6.9-2, delete Reference 5.
9. On Page 9.3-13 in the second paragraph of Section 9.3.3.2.1, insert the following after the word "experience":

"with the exception of an unisolable break in the RWST discharge header. In the event this break occurs, flooding on Elevations 674.0 and 676.0 is minimized by transferring water to storage locations available inside the Auxiliary Building."

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ENCLOSURE 1 WBN Unit 2 FSAR A107 "Summary Listing of A107 FSAR Changes" Change Item No. Change Area Change Description Package Number

10. For Section 9.4.5.2.1.2, on Page 9.4-30 (A106), Insert the following after the fifth sentence of the first paragraph: "During testing of the diesel generators, the diesel room exhaust fans start automatically in response to diesel start if the temperature at the local temperature switches located in the exhaust fan rooms is greater than the required setpoint. Although the DG room exhaust fans may not auto start and run during the monthly testing in the winter months, normal operation of the exhaust fans during testing of the diesel generators at other times of the year in addition to the fans running during the summer months (without concurrent DG operation) prevents a buildup of hydrogen gas above the LEL of 2% by volume."

Section 1.1 11. On Page 12.3-3 (A106), replace the term "radiological Section 3.5 control (RADCON)" with "radiation protection," within Section 6.3 the first paragraph of page.

Section 6.9 16 Section 9.3 12. On Page 12.3-5 (A106), replace the title of Section (cont.) Section 9.4 2-107-16 12.5 with "Radiation Protection" at the end of the Section 12.3 section paragraph of Section 12.3.2.2 under the Section 14.2 heading of "Plant Shielding."

Section 15.4 (UFSAR, A9) 13. On Page 12.3-14 (A106), replace the term "radiological control (RADCON)" with "radiation protection," within the first paragraph of page.

14. On Page 12.3-23 (A106), replace the term "RADCON" in two places, one in the second paragraph and the other in the fourth paragraph of Section 12.3.4.2.2 with "radiation protection."
15. On Page 14.2-17 (A106), replace the term "RADCON" in third paragraph of Item (d) with "radiation protection."
16. On Page 15.4-25 (A106), replace the term "RADCON" in the first paragraph under Item (1) with "radiation protection."

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ENCLOSURE1 WBN Unit 2 FSAR A107 "Summary Listing of A107 FSAR Changes" Change Item No. Change Area Change Description Package Number

1. On Page 2.3-20, insert a space between "Nuclear" and "Regulatory" in Item 36.
2. On Page 2.3-25, replace "potions" with "portions" in the second paragraph under table heading
3. On Page 2.3-27, replace "Coopertive" with "Cooperative" in table heading of Table 2.3-2.

Section 2.3 Table 2.3-61 4. On Pages 2.3-92 through 2.3-96 and Pages 2-3-98 Table 2.3-61a through 2.3-101, replace "X/q" with "X/Q" contained Table 2.3-62 within the heading of each table.

Table 2.3-62a Table 2.3-63 5. On Page 2.4-77 (Table 2.4-11, Page 1 of 2), delete Table 2.3-64 extra space between Items 14 & 15 and Item 16.

Table 2.3-65 Table 2.3-66 6. On Page 2.4-80 (Table 2.4-13, Page 1 of 2), delete Table 2.3-66a extra space between Items 14 & 15 and Item 16.

Table 2.4-11 Table 2.4-13 7. On Page 2.4-81 (Table 2.4-13, Page 1 of 2), delete Section 3.1 extra space prior to Item 33.

Section 3.8 Table 3.81B-1 8. On Page 3.1-37, correct the spelling of the word

17. "packaging" in the sentence being with "High 2-107-17 Table 3.10-1 Table 3.10-3 radiation in the waste..."

Table 4.1 Section 4.3 9. On Page 3.8C-5, move the "-c" symbol from the Table 6.5-7 variable Un of the second term to the variable "Un" of Table 8.3-10 the first term of the equation.

Section 8.3 Section 9.2 10. On Page 3.8B-10, replace "la"with "IA" in the first Section 9.4 "Hydrostatic Load" entry of Table 3.8B-1 Table 11A-1 Table 12.2-19 11. On Page 3.10-16, insert "s" after "contract" in Note 1 Section 12.2 at the bottom of Table 3.10-1.

Table 12.3-6 Section 12.3 12 On Page 3.10-29, delete the period that begins Item Section 15.5 21 at the bottom of Table 3.10-3.

13. On Page 4.1-4, move data for Item 22 up one line at the bottom of Table 4.1-1.
14. On Page 4.3-11, capitalize the word "reference" in the sentence that begins with "Representative axial power shapes...."

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ENCLOSUREI WBN Unit 2 FSAR A107 "Summary Listing of A107 FSAR Changes" Change Item No. Change Area Change Description Package Number

15. On Page 6.5-25, delete the last three lines involving hydrogen at the bottom of Table 6.5-7.

Abandonment of hydrogen recombiners addressed in Amendment 95.

16. On Page 7.1-9, replace the reference to "50.36(c).1.ii.A" with "50.36(c)(1)(i)(A)."
17. On Page 8.3-78, insert "...." at the end of last two Section 2.3 entries (i.e., "Spare 125V DC Charger DC (6-S)" and Table 2.3-61 "Spare 125V DC Chargers DC (7-S & 9-S)") at the Table 2.3-61a bottom of the "Component" heading column in Table Table 2.3-62 8.3-10.

Table 2.3-62a Table 2.3-63

18. On Page 8.3-57, remove ", and CS" from heading Table 2.3-64 "125V Diesel General Batteries, 1A-A 1B-B, 2A-A, Table 2.3-65 2B-B, and C-S."

Table 2.3-66 Table 2.3-66a

19. On Page 9.2-4, correct typographical error by Table 2.4-11 replacing "ant-" with "anti-" within the last paragraph Table 2.4-13 of Section 9.2.1.2.

Section 3.1 Section 3.8

20. On Page 9.4-27, remove extra space between the
17. Table 3.81B-1 words "during" and "operation" in the third paragraph 2-107-17 (cont.) Table 3.10-1 from the end of Section 9.4.5.1.1.

Table 3.10-3 Table 4.1

21. On Page 9.4-43, replace "LLC" with "LCC" in the Section 4.3 second paragraph of Section 9.4.7.1.

Table 6.5-7 Table 8.3-10

22. On Page 1 1A-5, replace "Wnes" with "WNES" in the Section 8.3 heading of Table 11A-1.

Section 9.2 Section 9.4

23. On Page 12.2-30 (Table 12.2-19, Page 1 of 3), for Table 11A-1 the Isotope Xe-1 37, replace value of 7.7875E-08 in Table 12.2-19 the first column with the value of "7.787E-08." For Section 12.2 Isotope Rb-88, replace value of 2.98E-06 in the first Table 12.3-6 column with the value of "2.918E-06" and the value Section 12.3 of 1.285E-02 in the last column with "1.283E-02."

Section 15.5 For Isotope Cr-51, replace the value of "9.504-08" in last column with "9.504E-08."

24. On Page 12.2-31 (Table 12.2-19, Page 2 of 3), for the Isotope Y-91m, replace value of 4.96E-13, in the first column with the value of "4.946E-13."
25. On Page 12.2-8, replace "1/2.40" with "1/193" in the second paragraph of Section 12.2.1.3.

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ENCLOSUREI WBN Unit 2 FSAR A107 "Summary Listing of A107 FSAR Changes" Change Item No. Change Area Change Description Package Number Section 2.3 26. On Page 12.3-14, correct the spelling of the word Table 2.3-61 concerning" in the first paragraph at top of the page.

Table 2.3-61a Table 2.3-62 27. On Page 12.3-33, add space between the foot and Table 2.3-62a inches values for entries Al, A2, and A5 of Table Table 2.3-63 12.3-6, Page 1 of 7. In addition, delete references to Table 2.3-64 drawings 41 N470-1 and 41 N473-1 for entry A2, Table 2.3-65 delete references to drawings 41 N470-1 and Table 2.3-66 41 N473-1 for entry A3, delete reference to drawing Table 2.3-66a 41 N470-1 for entry A4a, and delete reference to Table 2.4-11 drawing 41 N309-1 for entry A5.

Table 2.4-13 Section 3.1 28. On Page 12.3-34, add space between the foot and Section 3.8 inches values for entries A4, Al 0, and Al 8 of Table

17. Table 3.8B-1 12.3-6, Page 2 of 7. 2-107-17 (cont.) Table 3.10-1 Table 3.10-3 29. On Page 15.5-8, correct the spelling of the word, Table 4.1 'exhaust," in the fourth paragraph from top of the Section 4.3 page.

Table 6.5-7 Table 8.3-10 Section 8.3 Section 9.2 Section 9.4 Table 11A-1 Table 12.2-19 Section 12.2 Table 12.3-6 Section 12.3 Section 15.5 In FSAR Table 2.3-61a, revise the value given for the Dispersion Factor provided in the "5th Percentile" column

18. Table 2.3-61 a for the "All Directions Combined" row from "5.263E-5" to 2-107-18 "5.263E-4."
1. Revise FSAR Table 3.9-25 to specify backup nitrogen actuation for 2-PCV-3-122, 2-PCV-3-132, 2-LCV 148, 2-LCV-3-148A, 2-LCV-3-156, 2-LCV-3-156A, 2-Section 10.4 LCV-3-164, 2-LCV-3-164A, 2-LCV-3-171 and 2-LCV-19 Section 11.3 3171A. 2-107-19 Table 3.9-25
2. Revise FSAR sections 10.4.9.3 and 11.3.2 to describe the backup nitrogen supply for the above listed values.

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ENCLOSURE1 WBN Unit 2 FSAR A107 "Summary Listing of A107 FSAR Changes" Change Item No. Change Area Change Description Package Number

1. On Page 6.2.3-6 (Al 06), in the first paragraph at the top of the page, replace the sentence that reads, "Likewise, a Loss of Coolant Accident (LOCA)/Safety Injection (SI) signal from the operating unit or high temperature in the Unit 1 or Unit 2 Auxiliary Building air intake will cause a CVI signal in the refueling unit" with one that reads: "Likewise, a Containment Isolation Phase A (SI Signal) from the operating unit or high temperature in the Unit 1 or Unit 2 Auxiliary Building air intake, or manual ABI will cause a CVI signal in the refueling unit."
2. On Page 6.2.3-6 (Al 06), at the end of the first paragraph at the top of the page, insert the following sentence:

"In the case where containment of both units is open to the Auxiliary Building spaces, a CVI in one unit will initiate a CVI in the other unit in order to maintain those spaces open in the ABSCE."

3. On Page 6.2.3-10 (A106), in the second paragraph of Section 6.2.3.2.3, replace the sentence that reads,
20. Section 7.3 "Likewise, a Loss of Coolant Accident (LOCA)/Safety 2-107-20 Section 9.4 Injection (SI) signal from the operating unit or high temperature in the Unit 1 or Unit 2 Auxiliary Building air intake will cause a CVI signal in the refueling unit" with one that reads: "Likewise, a Containment Isolation Phase A (SI Signal) from the operating unit or high temperature in the Unit 1 or Unit 2 Auxiliary Building air intake, or manual ABI will cause a CVI signal in the refueling unit."
4. On Page 6.2.3-10 (A106) under Section 6.2.3.2.3, insert into the last line of the second paragraph between the words, "valves" and "which" the following phrase: "(system valves not containment isolation valves):
5. On Page 6.2.3-10 (A106), under Section 6.2.3.2.3, at the end of the second paragraph, insert the following sentence:

"In the case where containment of both units is open to the Auxiliary Building spaces, a CVI in one unit will initiate a CVI in the other unit in order to maintain those spaces open in the ABSCE."

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ENCLOSUREI WBN Unit 2 FSAR A107 "Summary Listing of A107 FSAR Changes" Change Item No. Change Area Change Description Package Number

6. On Page 7.3-22 (Al 06), for the last note at the bottom of Table 7.3-2, perform the following:
  • Replace "Refueling Floor" with "Spent Fuel Pool" in two places.
  • Delete the phrase, ", SI signal from the operating unit or high temperature from the Unit 1 or Unit 2 Auxiliary Building air intake."

Insert the following phrase after the word, "Monitors:" of the first sentence: ", Containment Isolation Phase A (SI signal) from the operating unit, or high temperature from the Unit 2 Auxiliary Building air intake, or manual ABI."

7. On Page 9.4-10 (A106), in the second paragraph at Section 6.2 the top of the page, replace the sentence that reads, 20.

Section 7.3 "Likewise, a Loss of Coolant Accident (LOCA)/Safety 2-107-20 (cont.) Section 9.4 Injection (SI) signal from the operating unit or high temperature in the Unit 1 or Unit 2 Auxiliary Building air intake will cause a CVI signal in the refueling unit" with one that reads: "Likewise, a Containment Isolation Phase A (SI Signal) from the operating unit or high temperature in the Unit 1 or Unit 2 Auxiliary Building air intake, or manual ABI will cause a CVI signal in the refueling unit."

8. On Page 9.4-10 (Al 06), at the end of the second paragraph at the top of the page, insert the following sentence:

"In the case where containment of both units is open to the Auxiliary Building spaces, a CVI in one unit will initiate a CVI in the other unit in order to maintain those spaces open in the ABSCE."

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ENCLOSURE1 WBN Unit 2 FSAR A107 "Summary Listing of A107 FSAR Changes" Change Item No. Change Area Change Description Package Number

9. On Page 9.4-14 (A106), in the third paragraph of Section 9.4.3.2.1, replace the sentence that reads, "Likewise, a Loss of Coolant Accident (LOCA)/Safety Injection (SI) signal from the operating unit or high temperature in the Unit 1 or Unit 2 Auxiliary Building air intake will cause a CVI signal in the refueling unit" with one that reads: "Likewise, a Containment Isolation Phase A (SI Signal) from the operating unit Section 6.2 or high temperature in the Unit 1 or Unit 2 Auxiliary
20. Section 7.3 Building air intake, or manual ABI will cause a CVI 2-107-20 (cont.) Section 9.4 signal in the refueling unit."
10. On Page 9.4-14 (A106), at the end of the third paragraph of Section 9.4.3.2.1, insert the following sentence:

"In the case where containment of both units is open to the Auxiliary Building spaces, a CVI in one unit will initiate a CVI in the other unit in order to maintain those spaces open in the ABSCE."

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ENCLOSURE2 WBN Unit 2 FSAR A107 "Summary of Redacted Pages" Chapter Page(S) Section No. Figure No.1 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, 1 OCFR2.390(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 2.4-168 2.4 2.4-40a 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 2.4-173 2.4 2.4-40d Security Related, 10CFR2.390(d)(1)

Sheet 1 2 2.4-178 2.4 2 4-40f Security Related, 10CFR2.390(d)(1)

Sheet 1 2 2.4-181 2.4 2.4-40g 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

ENCLOSURE2 WBN Unit 2 FSAR A107 "Summary of Redacted Pages" Chapter Page(S) Section No. _jFigure 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 8.2-15 8.2 Text only Security Related, 10CFR2.390(d)(1) 8 8.2-30 8.2 8.2-3 Security Related, 10CFR2.390(d)(1)

E2-2

ENCLOSURE2 WBN Unit 2 FSAR A107 "Summary of Redacted Pages" Chapter Page(S) Section No. Figure No. Basis For Redaction I 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 12.4-7 12.4 12.4-1 Security Related, 10CFR2.390(d)(1)

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ENCLOSURE3 WBN Unit 2 FSAR A107 "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 107 - List of Files on Security-Related OSM File Name File Size - Bytes TVAWBN-2_FSARFiles 001 TVA WB.FSAR TOC.pdf 362,572 002 TVA WBFSAR LRP.pdf 96,042 003 TVA WB FSAR Section 1.pdf 4,635,542 004 TVA WB FSAR Section 2 A.pdf 19,858,137 005 TVA WB FSAR Section 2 B Part 1 of 2.pdf 44,601,668 005_TVAWBFSARSection 2 B Part 2 of 2.pdf 48,554,635 006 TVA WB FSAR Section_2_C.pdf 2,107,380 007_TVAWBFSARSection_2_D.pdf 31,323,879 008_TVA WB FSAR Section 2 E.pdf 47,312,510 009_TVAWBFSAR Section 3 A.pdf 2,615,960 010 TVA WBFSAR Section 3 B.pdf 7,063,106 01 ITVA WBFSARSection_3_C.pdf 30,016,143 012 TVA WB FSA R Section 3 D.pdf 11,767,510 013_TVAWBFSAR Section 4.pdf 10,705,611 0.14_TVAWBFSAR Section_5.pdf 9,102,597 015 TVA WB FSAR Section 6 A.pdf 26,013,132 016 TVA WB FSAR Section 6 B.pdf 8,888,575 017_TVA WB FSAR Section_7.pdf 13,164,544 018 TVA WB FSAR Section 8.pdf 29,715,224 019 TVA WB FSAR Section 9 A.pdf 24,519,654 020_TVA WB FSAR Section 9_B.pdf 16,496,296 021 TVA WB FSAR Section 10.pdf 14,151,934 022 TVA WB FSARSection 1 .pdf 3,955,741 023_TVAWBFSAR Section 12.pdf 5,988,686 024 TVA WB FSAR Section 13.pdf 3,237,663 025 TVA WB FSAR Section 14.pdf 1,171,728 Page 1 of 3

ENCLOSURE 3 TVA Watts Bar Nuclear Plant Unit 2 FSAR Amendment 107 - List of Files on Security-Related OSM File Name File Size - Bytes 026 TVA WB FSAR Section 15.pdf 46,568,432 027_TVA WB FSAR Section_ 16.pdf 157,846 028 TVA WB FSARSection_17.pdf 156,419 Total 464,309,166 TVAWBN-2_Oversized_FSARFigures 001 TVA WB FSAR Figure_2.5 3.pdf 1,757,743 002_TVA WBFSAR 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 WBFSAR 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,TVAWBFSAR Figure 2.5 549 2.pdf 3,989,180 009 TVA WB. FSAR Figure 2.5 549 3.pdf 2,863,719 010_TVAWBFSAR Figure 2.5 549 4.pdf 2,809,599 011 TVA WB FSARFigure 2.5 550.pdf 1,803,985 012 TVA WB FSAR Figure 2.5 551.pdf 1,996,869 013_TVA WBFSAR Figure 2.5 554 1.pdf 3,081,060 014 TVA WBFSAR Figure 2.5 554 2.pdf 1,996,707 015_TVAWB FSAR Figure 2.5 555.pdf 1,993,312 016_TVA WBFSAR Figure 2.5 556.pdf 2,998,087 017 TVA WB FSARFigure 2.5 571 1.pdf 844,484 018 TVAWBFSARFigure 2.5 571 2.pdf 3,128,329 019_TVAWBFSAR Figure 2.5 571 _3.pdf 3,284,555 020 TVA WB FSAR Figure 2.5 571 4.pdf 2,142,316 021 TVA WBFSAR Figure 2.5 572.pdf 2,196,945 Page 2 of 3

ENCLOSURE 3 TVA Watts Bar Nuclear Plant Unit 2 FSAR Amendment 107 - List of Files on Security-Related OSM File Name File Size - Bytes 022 TVA WBFSAR Figure 2.5 573.pdf 2,013,286 023_TVA WBFSARFigure 25 576 l.pdf 3,238,525 024 TVA WBFSAR Figure 2.5 576 2.pdf 2,151,750 025_TVAWBFSAR Figure 2.5 577.pdf 2,207,622 026_TVAWBFSAR 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 WBFSAR Figure 2.5 588.pdf 2,528,515 030 TVA WBFSAR Figure 2.5 589.pdf 2,480,438 031_TVA WB FSAR Figure 2.5 594.pdf 13,054,127 032_TVA WBFSAR Figure 2.5 595.pdf 2,323,267.

033_TVA WB FSAR Figure 2.5 596.pdf 5,732,107 034 TVA WBFSAR Figure 2.5 597.pdf 1,287,336 035_TVAWBFSAR Figure 2.5 602.pdf 5,549,537 036_TVAWBFSAR Figure 2.5 603.pdf 4,830,835 037_TVA WB FSAR Figure 2.5 604.pdf 6,392,279 038 TVA WBFSARFigure 2.5 605.pdf 20,823,108 Total 131,112,035 TVA_WBN-2_OversizedFSARTable 001 TVA WB FSAR Table 6.2.4-1.pdf 1,215,574 Total 1,215,574 Page 3 of 3

ENCLOSURE4 WBN Unit 2 FSAR A107 "List Of Files And File Sizes On The Publicly Available OSM (OSM #2)"

E4-1

ENCLOSURE 4 TVA Watts Bar Nuclear Plant Unit 2 FSAR Amendment 107 List of Files on PubliclyAvailable OSM File Name File Size - Bytes TVA WBN-2 FSARFiles 001 TVA WB FSARTOC.pdf 362,572 002_TVAWBFSARLRP.pdf 96,042 003_TVA WB FSAR Section 1.pdf 828,975 004 TVA WB FSAR Section_2 A.pdf 19,521,597 005_TVA WB FSAR Section 2 B Part 1 of_2.pdf 34,354,317 005_TVAWB FSAR Section 2 B Part 2 of_2.pdf 42,296,521 006_TVA WB FSAR Section_2_C.pdf 2,107,380 007_TVAWBFSARSection_2_D.pdf 31,323,879 008 TVA WB FSAR Section 2 E.pdf 45,933,137 009 TVA WB FSAR Section 3_A.pdf 2,324,516 010 TVA WB FSAR Section 3_B.pdf 5,661,348 011 TVA WB FSAR Section 3_C.pdf 25,183,730 012 TVA WB FSAR Section 3_D.pdf 11,498,936 013_TVAWBFSAR Section 4.pdf 10,705,611 014_TVA WB FSAR Section 5.pdf 9,102,597 015 TVA WB FSAR Section6_A.pdf 23,132,702 016 TVA WBFSAR Section 6. B.pdf 8,888,575 017 TVA WB FSAR Section 7.pdf 13,164,544 018 TVA WB FSA R Section 8.pdf 26,754,844 019 TVA WB FSAR Section 9_A.pdf 24,258,673 020 TVA WBFSAR Section 9_B.pdf 15,281,767 021 TVA WB FSAR Sectionl 0.pdf 14,151,934 022_TVA WB FSAR Section 11 .pdf 3,955,741 023 TVA WB FSARSection 12.pdf 1,720,652 024 TVA WB FSAR Section 13.pdf 3,237,663 025 TVA WB FSAR Section_14.pdf 1,171,728 Note: Byte amounts in italics are redacted files. Page 1 of 3

ENCLOSURE 4 TVA Watts Bar Nuclear Plant Unit 2 FSAR Amendment 107 List of Files on PubliclyAvailable OSM File Name File Size - Bytes 026 TVA WB FSAR Section 15.pdf 46,568,432 027 TVA WB FSAR Section 16.pdf 157,846 028 TVA WB FSARSection 17.pdf 156,419 Total 423,902,678 TVA_WBN-2_Oversized_FSAR_Figures 001 TVA WB FSAR Figure 2.5 3.pdf 1,757,743 002_TVAWBFSAR Figure 2.5 11.pdf 1,689,538 003 TVA WBFSAR Figure 2.5 71.pdf 2,263,087 004_TVA WB_FSAR Figure 2.5 222.pdf 909,429 005_TVAWBFSAR Figure 2.5 281 1.pdf 2,155,627 006 TVA WBFSAR Figure 2.5 281_2.pdf 2,117,562 007_TVAWBFSARFigure 2.5 549 1.pdf 3,600,807 008_TVAWBFSAR Figure 2.5 549_2.pdf 3,989,180 009_TVAWBFSAR Figure 2.5 549 3.pdf 2,863,719 010_TVA WB FSAR Figure 2.5 549 4.pdf 2,809,599 011_TVAWBFSAR Figure 2.5 550.pdf. 1,803,985 012_TVAWBFSAR Figure 2.5 551.pdf 1,996,869 013_TVAWBFSAR Figure 2.5 554 1.pdf 3,081,060 014 TVA WBFSAR Figure 2.5 554 2.pdf 1,996,707 015_TVAWBFSAR Figure 2.5 555.pdf 1,993,312 016_TVA WB FSAR Figure 2.5 556.pdf 2,998,087 017 TVA WBFSAR Figure 2.5 571 1.pdf 844,484 018_TVAWBFSAR Figure 2.5 571_2.pdf 3,128,329 019_TVAWBFSAR Figure 2.5 571_3.pdf 3,284,555 020_TVAWBFSAR 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 107 List of Files on Publicly Available OSM File Name File Size - Bytes 022_TVAWBFSAR Figure 2.5 573.pdf 2,013,286 023_TVAWB FSAR Figure 2.5 576_1.pdf 3,238,525 024 TVA WB FSAR Figure 2.5 576 2.pdf 2,151,750 025_TVAWBFSAR Figure 2.5 577.pdf 2,207,622 026_TVAWBFSAR Figure 2.5 578.pdf 2,080,032 027_TVA WBFSAR Figure 2.5 579.pdf 2,308,985 028_TVA WBFSAR Figure 2.5 583.pdf 2,487,346 029_TVAWBFSAR Figure 2.5 588.pdf 2,528,515 030_TVAWBFSAR Figure 2.5 589.pdf 2,480,438 031 TVA WB FSARFigure 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_TVAWBFSAR Figure 2.5 597.pdf 1,287,336 035 TVA WB FSAR Figure 2.5 602.pdf 5,549,537 036 TVAWBFSAR Figure 2.5 603.pdf 4,830,835 037 TVA WB FSAR Figure 2.5 604.pdf 6,392,279 038 TVA WBFSAR Figure 2.5 605.pdf 20,823,108 Total 131,112,035 TVA_WBN-2_OversizedFSARTable 001 TVA WB FSAR Table 6.2.4-1.pdf 1,215,574 Total, Note: Byte amounts in italics are redacted files. Page 3 of 3

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