ML11347A443

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OL - TVA Letter to NRC_11-17-2011_WBN U2 FSAR A107
ML11347A443
Person / Time
Site: Watts Bar Tennessee Valley Authority icon.png
Issue date: 11/18/2011
From:
- No Known Affiliation
To:
Division of Operating Reactor Licensing
References
Download: ML11347A443 (39)
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Text

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

Sent: Friday, November 18, 2011 8:32 AM To: Epperson, Dan; Poole, Justin; Raghavan, Rags; Milano, Patrick; Campbell, Stephen Cc: Arent, Gordon; Hamill, Carol L; Boyd, Desiree L

Subject:

TVA letter to NRC_11-17-2011_WBN U2 FSAR A107 Attachments: 11-17-2011_WBN U2 FSAR A107_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 423-365-8764 1

Hearing Identifier: Watts_Bar_2_Operating_LA_Public Email Number: 604 Mail Envelope Properties (7AB41F650F76BD44B5BCAB7C0CCABFAF256E835B)

Subject:

TVA letter to NRC_11-17-2011_WBN U2 FSAR A107 Sent Date: 11/18/2011 8:32:02 AM Received Date: 11/18/2011 8:32:10 AM From: Boyd, Desiree L Created By: dlboyd@tva.gov Recipients:

"Arent, Gordon" <garent@tva.gov>

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

Tracking Status: None "Boyd, Desiree L" <dlboyd@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 291 11/18/2011 8:32:10 AM 11-17-2011_WBN U2 FSAR A107_Final.pdf 332376 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 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 (A107), 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 A107 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).

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

U.S. Nuclear Regulatory Commission Page 4 November 17, 2011 bcc (Enclosures):

Stephen Campbell U.S. Nuclear Regulatory Commission MS 08H4A One White Flint North 11555 Rockville Pike Rockville, Maryland 20852-2738 Patricia Holahan, Acting 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 A107 Summary Listing of A107 FSAR Changes" Change Item No. Change Area Change Description Package Number Delete from Table 3.2-2 (Page 16 of 18) Miscellaneous;

1. Table 3.2-2 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-90-111 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 Remove valve CKV-31-2193 from FSAR Table 3.9-25,
3. 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.

Table 3.9-17 5. On FSAR Table 3.9-25, Sheet 17 of 23, change valve

4. 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.

E1-1

ENCLOSURE 1 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 0-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 0-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.

E1-2

ENCLOSURE 1 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.
26. On FSAR Table 3.9-25, Sheet 18 of 23, change valve
4. Table 3.9-17 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.

Table 3.9-25 4. Identify valves FCV-43-435 and FCV-43-436 on FSAR

5. 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.

E1-3

ENCLOSURE 1 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.

E1-4

ENCLOSURE 1 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 Section 9.4.7.2.3, change the identification of the Unit 1

9. 9.4 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

ENCLOSURE 1 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 1,104,323 to 902,687 in the first line at the top of 10.

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.

E1-6

ENCLOSURE 1 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 Function/Description for valves FCV-1-181, FCV-1-182,

11. Table 3.5-25 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 15.5-2, 15.5-3, 15.5-6, 15.5-12, 15.5-14, 15.5-17, 15.5-18, Section 15.5 15.5-19, 15.5-20, 15.5-20a (new) and 15.5-23 as shown Table 15,5-2 on the attached markup to reflect changes In calculations Table 15.5-3 WBNTSR008, R14, WBNTSR009, R14, WBNTSR080, Table 15.5-6 R9, WBNAPS3077, R14, & WBNAPS3104, R4. The Table 15.5-12 calculations were changed to reflect changes in Table 15,5-14 Atmospheric Dispersion Coefficients (X/Os), and to reflect

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

E1-7

ENCLOSURE 1 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 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 Section 9.2.1.3 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 Curves for the RHR Pumps for Unit 2.

Table 5.5-8

14. 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, to the Central Emergency Control Center (CECC), and

15. Section 2.3 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.

E1-8

ENCLOSURE 1 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. prevailing wind direction calculation method was used.

Section 2.3 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.

E1-9

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).
  • The average wind speed decreased from over 4.0 15.

Section 2.3 miles per hour to about 3.6 miles per hour. 2-107-15 (cont.)

  • 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.

E1-10

ENCLOSURE 1 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

[42]

methodology. The revised x/Q values were based on onsite meteorological data for 1974 through 1993 and RG 1.145 calculation methodology.[41] 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 (T) between 10 and 46 meters above ground. The latest x/Q values at the exclusion area boundary and at the outer boundary of the low 15.

Section 2.3 population zone (LPZ) were calculated as stated 2-107-15 (cont.)

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 percentile

-4 3 x/Q values from 1974-1988 are 6.040 x 10 sec/m

-4 3 and 5.323 x 10 sec/m . The maximum 0.5th and 5th percentile x/Q values from 1974-1993 are 6.069 x 10-4sec/m3 and 5.263 x 10-5sec/m3. The maximum 0.5th and 5th percentile x/Q values from 1991-2010 are 6.382 x 10-4sec/m3 and 5.486 x 10-4sec m3. The 1991-2010 x/Q values are slightly higher (~5%) than the earlier values.

E1-11

ENCLOSURE 1 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 (1974-1993), and Table 2.3-64b (1992-2010). The respective

15. values (and affected sectors) are:

Section 2.3 2-107-15 (cont.)

Period 1974-1988 1974-1993 1991-2010

-5 -5 -5 8-hour 6.765 x 10 SE 6.677 X 10 SE 8.835 x 10 E

-5 -5 -5 16-hour 4.629 x 10 SE 4.592 x 10 SE 6.217 x 10 E

-5 -5 -5 3-day 2.032 x 10 SE 2.041 x 10 E 2.900 x 10 E

-6 -6 -6 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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ENCLOSURE 1 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, 2.3-10a, 2.3-11a, 2.3-12a and 2.3-13a to the FSAR.
14. Revise the FSAR List of Tables to change FSAR 15.

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, 2.3-10a, 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 industrys 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 (A106), 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  = 20 for bending deformation (Reference 8).

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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

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 2-107-16 (cont.) Section 9.4 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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ENCLOSURE 1 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 3.8B-1 8. On Page 3.1-37, correct the spelling of the word

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

Table 4.1 Section 4.3 9. On Page 3.8C-5, move the  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 1a with 1A 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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ENCLOSURE 1 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 3.8B-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 11A-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-137, 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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ENCLOSURE 1 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 A1, 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 41N470-1 and 41N473-1 for entry A2, Table 2.3-65 delete references to drawings 41N470-1 and Table 2.3-66 41N473-1 for entry A3, delete reference to drawing Table 2.3-66a 41N470-1 for entry A4a, and delete reference to Table 2.4-11 drawing 41N309-1 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, A10, and A18 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 2.3-61a 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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ENCLOSURE 1 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 (A106), 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 (A106), 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, Section 6.2 Likewise, a Loss of Coolant Accident (LOCA)/Safety
20. Section 7.3 2-107-20 Injection (SI) signal from the operating unit or high Section 9.4 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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ENCLOSURE 1 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 (A106), for the last note at the bottom of Table 7.3-2, perform the following:

x Replace Refueling Floor with Spent Fuel Pool in two places.

x Delete the phrase, , SI signal from the operating unit or high temperature from the Unit 1 or Unit 2 Auxiliary Building air intake.

x 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 (A106), 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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ENCLOSURE 1 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 or high temperature in the Unit 1 or Unit 2 Auxiliary Section 6.2
20. Building air intake, or manual ABI will cause a CVI Section 7.3 2-107-20 (cont.) signal in the refueling unit.

Section 9.4

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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ENCLOSURE 2 WBN Unit 2 FSAR A107 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 A107 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 8.2-15 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

ENCLOSURE 2 WBN Unit 2 FSAR A107 Summary of Redacted Pages Chapter Page(S) Section No. Figure No. Basis For Redaction 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)

E2-3

ENCLOSURE 3 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 TVA_WBN-2_FSAR_Files 001_TVA_WB_FSAR_TOC.pdf 362,572 002_TVA_WB_FSAR_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_TVA_WB_FSAR_Section_2_B_Part_2_of_2.pdf 48,554,635 006_TVA_WB_FSAR_Section_2_C.pdf 2,107,380 007_TVA_WB_FSAR_Section_2_D.pdf 31,323,879 008_TVA_WB_FSAR_Section_2_E.pdf 47,312,510 009_TVA_WB_FSAR_Section_3_A.pdf 2,615,960 010_TVA_WB_FSAR_Section_3_B.pdf 7,063,106 011_TVA_WB_FSAR_Section_3_C.pdf 30,016,143 012_TVA_WB_FSAR_Section_3_D.pdf 11,767,510 013_TVA_WB_FSAR_Section_4.pdf 10,705,611 014_TVA_WB_FSAR_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_FSAR_Section_11.pdf 3,955,741 023_TVA_WB_FSAR_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_FSAR_Section_17.pdf 156,419 Total 464,309,166 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 107 - 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 1,215,574 Total 1,215,574 Page 3 of 3

ENCLOSURE 4 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 Publicly Available OSM File Name File Size - Bytes TVA_WBN-2_FSAR_Files 001_TVA_WB_FSAR_TOC.pdf 362,572 002_TVA_WB_FSAR_LRP.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_TVA_WB_FSAR_Section_2_B_Part_2_of_2.pdf 42,296,521 006_TVA_WB_FSAR_Section_2_C.pdf 2,107,380 007_TVA_WB_FSAR_Section_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_TVA_WB_FSAR_Section_4.pdf 10,705,611 014_TVA_WB_FSAR_Section_5.pdf 9,102,597 015 TVA WB FSAR Section 6 A pdf 015_TVA_WB_FSAR_Section_6_A.pdf 23 132 702 23,132,702 016_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 26,754,844 019_TVA_WB_FSAR_Section_9_A.pdf 24,258,673 020_TVA_WB_FSAR_Section_9_B.pdf 15,281,767 021_TVA_WB_FSAR_Section_10.pdf 14,151,934 022_TVA_WB_FSAR_Section_11.pdf 3,955,741 023_TVA_WB_FSAR_Section_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 Publicly Available 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_FSAR_Section_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_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 107 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 1,215,574 Total Note: Byte amounts in italics are redacted files. Page 3 of 3

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