ML24247A174

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Enclosure 2: Calculation of Atmospheric Dispersion Factors - Control Room for SQN Units 1 & 2
ML24247A174
Person / Time
Site: Sequoyah  Tennessee Valley Authority icon.png
Issue date: 08/28/2024
From:
Tennessee Valley Authority
To:
Office of Nuclear Reactor Regulation
References
CNL-24-041
Download: ML24247A174 (1)
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Text

CNL-24-041 Calculation of Atmospheric Dispersion Factors - Control Room for SQN Units 1 & 2 (56 pages)

DEC 3 1 2014 Westinghouse Electric Company P. 0. Box 355 Pittsburgh, Pennsylvania 15230 88 B 141 23 I 800 Attention: Mr. Ronald Kucharski Gentlemen:

SEQUOYAH NUCLEAR PLANT UNITS 1 AND 2 - NUCLEAR STEAM SUPPLY SYSTEM MASTER SERVICES AGREEMENT - CONTRACT NO. 4411 - LETTER N10675 PURCHASE ORDER NO. 762108 - FUEL HANDLING ACCIDENT ANALYSIS - CONTROL ROOM ATMOSPHERIC DISPERSION FACTOR UPDATE - N2N-081 We acknowledge receipt of the document listed below submitted by Letter TV A-14-100 and return herewith one copy marked (A), "Approved".

Document No.

FAI/14-0989 Revision 02 Sequoyah Control Room Normal and Emergency Intake Atmospheric Dispersion Factors for Auxiliary Building Stack Release, Units 1 and 2 We note that the enclosed document has been revised to remove the proprietary data designator. We have reviewed the associated document changes and find them to be satisfactory. We have approved the document revision accordingly.

The enclosed document calculates atmospheric dispersion factors for the Sequoyah control room normal and emergency intake locations for an auxiliary building stack release using the ARCON96 analysis code and the input information provided by Letter N 10665. The dispersion factors have been generated to

"---- support update of the Sequoyah fuel handing accident analysis in accordance with the subject purchase order. The limiting control room dispersion factor has been applied to the fuel handing accident analysis update as requested by Item 1 of Letter N 10667.

Please contact D. M. Lafever (423-751-3340) if you have any questions or comments regarding the information included in this acknowledgement.

DEC 8 1 2014 Westinghouse Electric Company Page 2 Sincerely, ~

(. William J. Pierce, Engineering Director Sequoyah Nuclear Plant Enclosure a"i'"

DML:JS

.-l-i\\ cc: Westinghouse Electric Company "l

Attn: Ms. Linda R. Evans 401 River Terminal Road Chattanooga, Tennessee 37406 Westinghouse Electric Company Attn: Mr. Mark J. Whitney 20 International Drive Windsor, Connecticut 06095 P. C. Askins, LP 4W-C D. M. Brown, LP 4G-C C. Carey, LP 4G-C, w/1 B. S. Catalanotto, OPS 3C-SQN, w/1 T. M. Conner, SB 2A-SQN, w/1 E. F. Craig, OPS 2B-SQN, w/1 R. C. Hanselman, LP 1 G-C D. M. Lafever, LP lG-C, w/1 M. A. Meade, OPS 2B-SQN J. R. Mincey, LP 4T-C N. L. Mynatt, STC 2A-SQN, w/1 D. P. Pollock, LP 4G-C, w/1 J. N. Pugh, OPS 2B-SQN, w/1 K. R. Yates, OPS 2B-SQN, w/1

  • EDMS, WT CA-K B 8 141231 30{)
  • B38 141216 800, B38 141110 800, B38 141112 800

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B88 141231 800 WnP.t f) LFAOFR IN NlJr.1 FAR AND CHFMlr.A1 PRnr:FSS SAFFTY Report No.: FAI/14-0989 Calculation of Atmospheric Dispersion Factors for Sequoyah Nuclear Plant Revision 2 Project No.: 14-0989 Submitted to:

Westinghouse Electric Compan Cranberry Twp., PA Prepared by:

Wison Luangdilok Reviewed by:

Paul McMinn December, 2014 Af>_P-ROVEO c!!:r Opprovot does nol relieve lhe,

r~c~I:>' °"' ony porl ol his re-1PG!l11b*hly,!or lh* correclnus of

  • de119n, de I ails ond dimensions.

Letter No. N10675

  • DQte:

December 31, 2014 TENNESSEE YAL1£Y AUTHORITY SOE? (N)

BY: W. J. Pierce EDMS, WT CA-K 16W070 83rd Street

  • Burr Ridge, Illinois 60527 (877) Fauske1 or (630) 323-8750
  • Fax: (630) 986-5481
  • E-mail lnfo@Fauske.com

FA// /4-0989 Rev. 2 CALCULATION NOTE COVER SHEET (Revision 1)

SECTION TO BE COMPLETED BY AUTHOR(S):

Page 2 o/54 December, 20/4 Cale-Note Number:

F Al/14-0989 Revision Number:

2

Title:

Calculation of Atmospheric Dispersion Factors for Sequoyah Nuclear Plant Project Number Project/

Subject:

Sequoyah Nuclear Plant Or Shop Order:

W-Sequoyah

Purpose:

Determine X/Q's for control room intake Methods of Analysis*:

ARCON96 under RG 1.194 Acceptance Criteria*:

See Section 2.2 Results Summary:

See Section l.0

  • Can be NIA and/or a reference to this information in the Design Analysis can be provided.

References of Resulting Reports, Letters, or Memoranda (Optional)

Author(s):

Name (Print or Type)

Wison Luangdilok Signature:

~kL-SECTION TO BE COMPLETED BY VERIFIER(S):

Verifier(s):

Name (Print or Type)

Paul B. McMinn Method of Verification:

Signature:

7oJL!t/L--

Design Review Independent Review or Alternate Calculations Completion Date:

12/15/2014 Completion Date:

12/15/2014 Testing D

3-Pass Method

[gl Other (specify):

D SECTION TO BE COMPLETED BY MANAGER:

Responsible Manager:

Name (Print or Type)

Approval Date:

Chan Y. Paik 12/15/2014

FAI/14-0989 Page 3 of 54 Rev. 2 December, 2014 3-PASS VERIFICATION METHODOLOGY CHECKLIST 3-Pass Verification Review Topic Yes No N/A First Pass

1. Were the general theme, scope of document and scope of review clear?

Second Pass

2. Do the references appear to be documented correctly? Is there enough information present to ensure the referenced document is retrievable?
3. Do the acceptance criteria seem appropriate?
4. Does the technical content of the calculation note make sense from a qualitative standpoint and are appropriate methods used?

Third Pass

5. Do the results and conclusions meet the acceptance criteria? Do the results and conclusions make sense and support the purpose of the calculation note?
6. Has the technical content of the document been verified in adequate detail? Examples of technical content include inputs, models, techniques, output, hand calculations, results, tables, plots, units of measure, etc.
7. Does the calculation note provide sufficient details in a concise manner? Note that sufficient detail is enough information such that a qualified person could understand the analysis and replicate the results without consultation of the author.
8. Is the calculation note acceptable with respect to spelling, punctuation, and grammar?
9. Are the references accurate? Do the references to other documents point to the latest revision? If not, are the reasons documented? Are the references retrievable?
10. Are computer code names spelled correctly? If applicable, are numerals included in the official code name as appropriate?
11. Has the calculation note been read word-for-word, cover-to-cover?

Reviewer Comments: The scope of this review was limited to the changes required to remove proprietary information from revision 1. This comment requires no response.

FAI/14-0989 Page 4 of 54 Rev. 2 December, 2014 EDITORIAL REVIEW CHECKLIST Reviewer Name:

Paul McMinn Date:

12/15/2014 Document Number:

FAI/14-0989 Yes No N/A General Documents

1. Proofread the document for general format, readability, punctuation, and grammar. Are these acceptable to you?
2. Is the documentation legible, reproducible and in a form suitable for archiving as a Quality Record?
3. Are all the pages sequentially numbered and are the document number, revision number, and appropriate proprietary classification listed on each page?
4. Is the Record of Revision page filled in correctly including Revision, Date, and Description of Revisions, if applicable?
5. Are the page numbers in the Table of Contents provided and correct?
6. Are Acronyms defined in the document (either individually or on a separate page)?
7. Are Figures labeled consistently and do they include units of measure?
8. Are the units of measure clearly identified and used throughout?
9. Do all cross references to tables, figures, references, and sections point to an object of the given type?
10. Are symbols (e.g., Greek letters) used correctly?
11. Is sufficient information provided for all "References" to facilitate their retrieval including documents not maintained as quality records by Westinghouse, or has a copy been provided in an Appendix to the report?
12. Are all References listed referred to in the text?
13. Is the content of the Appendices consistent with what the document states it is?

Calc Notes Body of Calc Notes (Note that different Calc Note templates have different Section numbering. See the Section Numbering Key on last page for assistance.)

14. Is all information in the cover page header block completed appropriately?
15. Are the author and verifier applicable page numbers provided?
16. Is the report revision number on each page?
17. Are Tables labeled consistently and do they include units of measure?

FAI/14-0989 Page 5 of 54 Rev. 2 December, 2014 Yes No N/A

18. Is background information and purpose of the calculation clearly stated in the appropriate section?
19. Have the limits of applicability been listed in the appropriate section?
20. Are open items identified in the appropriate section and on the cover page header block?
21. Are the Acceptance Criteria listed in the appropriate section (if applicable)?
22. Does the Calc Note include a discussion on the methodology used?
23. If applicable, are references to the utility, plant, unit, and cycle correct with respect to spelling and consistency of use?

Body of Document

24. Is the Summary of Results and Conclusions section consistent with the purpose stated and consistent with the results section?

Computer Runs

25. Are the computer codes used clearly identified in the appropriate section and is all required information included?
26. Are all electronic files listed in the electronically attached file listing?
27. Does the electronically attached file listing appropriately reference the codes used?

Checklists

28. Has the verifier initiated one or more of the Verification Methods of review in the Verification Method Checklist?
29. Has the verifier provided an explanation of the method of review in the Verification Method Checklist?
30. Is an explanation or justification for any "NO" responses on the 3-Pass Methodology Checklist(s) presented?
31. Are Author's responses provided to Additional Verifier Comments or noted as not required?

Additional Questions for Software Calc Notes

32. Is the software name, version number, and system state(s) where the software was created or validated provided?
33. Is a source code listing or reference to a controlled location of the source code included?
34. Do the test results include the date of execution and the machine name?
35. Do the test cases include a description of what is being tested?

Editorial Reviewer Comments (if needed):

The scope of the editorial review was limited to the changes made between revisions 1 and 2 in order to remove proprietary information.

FAI/14-0989 Page 6 of 54 Rev. 2 December, 2014 RECORD OF REVISIONS Rev.

Date Revision Description 0

11/12/2014 Original issue.

1 12/9/2014 Fixed typo on page 17; building area used in analysis is 17565.167 FT2 2

12/15/2014 Create a non-proprietary version of this calc note

FAI/14-0989 Page 7 of 54 Rev. 2 December, 2014 TABLE OF CONTENTS CALCULATION NOTE COVER SHEET (Revision 1)................................................................ 2 3-PASS VERIFICATION METHODOLOGY CHECKLIST........................................................ 3 EDITORIAL REVIEW CHECKLIST............................................................................................ 4 RECORD OF REVISIONS............................................................................................................ 6 LIST OF FIGURES........................................................................................................................ 8 LIST OF TABLES.......................................................................................................................... 9 1.0 Purpose and Summary...........................................................................................................10 2.0 Methodology..........................................................................................................................12 2.1 ARCON96 Code........................................................................................................... 12 2.2 Acceptance Criteria...................................................................................................... 13 3.0 Input to ARCON96................................................................................................................14 3.1 Meteorological Data Input............................................................................................ 14 3.2 Source-Receptor Geometric Parameters....................................................................... 15 3.3 Dispersion Model Parameters....................................................................................... 16 3.4 Building Area............................................................................................................... 17 3.5 Distance and Direction Input........................................................................................ 20 3.6 Assumptions................................................................................................................. 25 4.0 References.............................................................................................................................26 5.0 Calculations and Results........................................................................................................27 APPENDIX A: Computer Files................................................................................................... 28 A.1 LOG File Output..................................................................................................... 29 APPENDIX B: Software Installation and Validation.................................................................. 37

FAI/14-0989 Page 8 of 54 Rev. 2 December, 2014 LIST OF FIGURES Figure 1-1 Site Arrangement for Sequoyah.................................................................................. 11 Figure 3-1 Containment Building Area - Cylindrical Building Projection.................................. 18 Figure 3-2 Containment Building Area - Dome Projection......................................................... 20 Figure 3-3 Detail from Reference 1 Drawing: Input Locations and Directions.......................... 21

FAI/14-0989 Page 9 of 54 Rev. 2 December, 2014 LIST OF TABLES Table 3-1 Meteorological Data Files............................................................................................ 14 Table 3-2 Meteorological Input Parameters................................................................................. 15 Table 3-3 Source-Receptor Geometric Data Input...................................................................... 16 Table 3-4 Dispersion Model Input Parameters............................................................................ 17 Table 3-5 Input for Case TVA_175 (Normal Intake Location).................................................... 23 Table 3-6 Input for Case TVA_084 (Emergency Intake Location).............................................. 24 Table 5-1 Summary of Results..................................................................................................... 27

FAI/14-0989 Page 10 of 54 Rev. 2 December, 2014 1.0 Purpose and Summary The purpose of this calculation is to determine the atmospheric dispersion factors (/Q [s/m3]) for the Control Room normal and emergency intakes. The location of the source and both intakes is shown in Figure 1-1 as supplied by Reference 1.

This calculation was performed with the ARCON96 code (Reference 2). ARCON96 is an NRC accepted methodology for determining atmospheric dispersion factors /Q in the design basis evaluations of control room radiological analyses (Reference 3). The input parameters to the ARCON96 code were prepared according to the guidance on the use of ARCON96, as discussed in Regulatory Guide 1.194 (Reference 3).

Based on the results shown in Section 5, the recommended values for /Q for the Normal and Emergency Intake locations are, respectively, 2.56E-3 [sec/m3] and 1.57E-3 [sec/m3].

FAI/14-0989 Page 11 of 54 Rev. 2 December, 2014 Figure 1-1 Site Arrangement for Sequoyah

FAI/14-0989 Page 12 of 54 Rev. 2 December, 2014 2.0 Methodology Atmospheric dispersion factors are determined with the ARCON96 code. Ten years (2004 through 2013) of site-specific meteorological data are used (Reference 1). One source and two receptors are evaluated. The receptors are the Normal Control Room Intake Vent and the Emergency Control Room Intake Vent.

All sources are treated as a point source. All releases are treated as a ground level release.

Data input to the ARCON96 code is discussed in detail in Section 3.0. The ARCON96 calculations and results are presented in Section 5.0.

2.1 ARCON96 Code ARCON96 is a general code developed by Pacific Northwest National Laboratory for calculating atmospheric relative concentrations in plumes in building wakes under a wide range of situations. ARCON96 implements a straight line Gaussian dispersion model with dispersion coefficients that are modified to account for low wind meander and building wake effects.

Hourly, normalized concentrations (/Q) are calculated from hourly meteorological data. The hourly values are averaged to form /Q's for periods ranging from 2 to 720 hours0.00833 days <br />0.2 hours <br />0.00119 weeks <br />2.7396e-4 months <br /> in duration.

The calculated values for each period are used to form cumulative frequency distributions and 95th percentile /Q values.

The May 9, 1997 version of the ARCON96 code, as described in Revision 1 of NUREG/CR-6331 (Reference 2), is an acceptable methodology for assessing control room /Q values for use in design basis accident (DBA) radiological analyses, subject to regulatory guidance, as discussed in U. S. NRC Regulatory Guide 1.194 (Reference 3).

The above version of ARCON96 has been obtained and maintained at FAI under the FAI quality assurance program that complies with the applicable criteria of Appendix B to 10 CFR Part 50 (Reference 4). The ARCON96 computer code was acquired from the Oak Ridge National Laboratorys Radiation Safety Information Computational Center (RSICC). ARCON96 was supplied from an external source and was placed under configuration control through FAIs procedure FAI-IG-3.5, Dedication and Installation of External Computer Software. A validation activity was performed and documented on a PC (Intel Core' i7-2640M CPU) with a Microsoft Windows 7 Enterprise Version 2009 Service Pack 1 64 bit operating system (see Appendix B).

FAI/14-0989 Page 13 of 54 Rev. 2 December, 2014 2.2 Acceptance Criteria The acceptance criterion for determining control room /Q values is that the calculation is performed according to the methodology and guidelines of RG 1.194 (Reference 3).

FAI/14-0989 Page 14 of 54 Rev. 2 December, 2014 3.0 Input to ARCON96 ARCON96 requires site specific meteorological data and plant-specific source-receptor geometric data as discussed in this section.

3.1 Meteorological Data Input According to Position 3.1 of Reference 3, five years of Sequoyah site-specific data is a sufficiently large data set of long-term weather trends. Reference 1 provides 10 years of continuous meteorological data divided by year into the data files listed below in Table 3-1. It should be noted that 2004, 2008, and 2012 are leap years and have 24 more data points than the other years shown.

This table also provides information on the contents of the files and the number of unreadable data points. All meteorological data file contain greater than 90% usable data. This information was found by examining the *.met files and locating all entries containing a string of 9s. Such data points are excluded from processing in the ARCON96 code and represent bad data points.

Table 3-1 Meteorological Data Files Data File Name Description Number of Data Points Number of Bad Data Points (% of Total) sqn2004.met*

2004 data file 8784 154 (1.8%)

sqn2005.met 2005 data file 8760 85 (1.0%)

sqn2006.met 2006 data file 8760 201 (2.3%)

sqn2007.met 2007 data file 8760 626 (7.1%)

sqn2008.met*

2008 data file 8784 202 (2.3%)

sqn2009.met 2009data file 8760 189 (2.2%)

sqn2010.met 2010 data file 8760 67 (0.8%)

sqn2011.met 2011 data file 8760 30 (0.3%)

sqn2012.met*

2012 data file 8784 79 (0.9%)

sqn2013.met 2013 data file 8760 199 (2.3%)

  • Leap year.

The data contained in these files includes observations of wind speed, wind direction and a measure of atmospheric stability for a total of 85840 hours (not including the unreadable data points shown in the table.) Other meteorological inputs required by ARCON96 are shown below in Table 3-1. All data is supplied in Reference 1.

FAI/14-0989 Page 15 of 54 Rev. 2 December, 2014 Table 3-2 Meteorological Input Parameters Input Parameter Value Number of meteorological data files 10 Lower measurement height (m) 9.7 Upper measurement height (m) 46.4 Wind speed unit mph 3.2 Source-Receptor Geometric Parameters Source and receptor information is required for input. There are a number of parameters that must be calculated for individual source-receptor pairs, but there are also parameters that do not change and the same value can be used for all cases. For this analysis, only the distance to the receptor and the direction to the receptor are changed between the cases.

Table 3-3 shows a summary of input parameters related to source-receptor geometric data. All values have been supplied in Reference 1 unless noted. Two source-receptor geometric input parameters are excluded from the table: Distance and Direction. Further details are discussed in Section 3.5.

FAI/14-0989 Page 16 of 54 Rev. 2 December, 2014 Table 3-3 Source-Receptor Geometric Data Input Input Parameter Discussion Value Release type RG1.194 suggests that ground level release mode is appropriate for the majority of control room assessments.

Ground Release height (m)

Calculated as mid-height of the source for each case. Value takes into account grade elevation (Reference 1) 32.5 Building area (m2) for building wake effects This is the vertical cross-sectional area of the Sequoyah reactor (containment) building.

Calculated below in Section 3.4 1744.1 Vertical velocity (m/s)

Not used because of ground level release 0.0 Stack flow (m3/s)

Not used because of ground level release 0.0 Stack radius (m)

Not used because of ground level release 0.0 Control Room Intake height (m)

Control room vent intake height is the same for both intake locations.

14.3 Reference elevation difference (m)

Same reference elevation is used. There is no elevation difference. This is zero for all cases.

0.0 3.3 Dispersion Model Parameters There are a number of dispersion model parameters used in the ARCON96 code. These parameters are referred to as "default data" in the ARCON96 user's manual (Reference 2). All of the values for these parameters have been recommended by RG-1.194 (Reference 3), as summarized below in Table 3-4:

FAI/14-0989 Page 17 of 54 Rev. 2 December, 2014 Table 3-4 Dispersion Model Input Parameters Input Parameter Value Surface roughness length (m) 0.2 Wind direction window, degrees 90 Minimum wind speed (m/s) 0.5 Averaging sector width constant 4.3 Initial diffusion coefficients (m) 0 Hours in average Use the default values: 1, 2, 4, 8, 12, 24, 96, 168, 360, 720 Minimum number of hours Use the default values: 1, 2, 4, 8, 11, 22, 87, 152, 324, 648 3.4 Building Area Reference 3 suggests that the cross sectional area of the building that would have the greatest impact on building wake be used for this input. The drawings supplied in Reference 1 show that the containment structure has the greatest projected area and therefore should be used for the building area input.

The area is split between two shapes; the first is the rectangular area projected by the cylindrical containment building (Figure 3-1) and the second is the circular segment (Figure 3-2) projected from the upper containment dome. The rectangular area is calculated by using the difference in elevations shown in the drawing:

The width of the rectangle is taken from the radius of the building:

The area is then found to be:

FAI/14-0989 Page 18 of 54 Rev. 2 December, 2014 Figure 3-1 Containment Building Area - Cylindrical Building Projection

FAI/14-0989 Page 19 of 54 Rev. 2 December, 2014 The circular segment is calculated by first calculating some simple geometric relationships, h and r from the drawings in Reference 1. The value of h is the height of the sector and is calculated based on the elevations shown in both Figure 3-1 and Figure 3-2. The value of r is the difference between the overall height of the circular sector and the distance h.

Where R is the radius of the circular sector. Using these values, the next step is determining the angle,, formed by the dome:

The area can then be found using the following relationship:

The total projected area is then the sum of these:

FAI/14-0989 Page 20 of 54 Rev. 2 December, 2014 Figure 3-2 Containment Building Area - Dome Projection 3.5 Distance and Direction Input The distances and directions calculated from plant drawings based on the definition that the source-to-receptor distance is the distance between closet points on the perimeter of the source and receptor. These points and directions are shown in the detail of the drawing supplied in Reference 1 below in Figure 3-3. The calculation of the distances and there direction are given below.

FAI/14-0989 Page 21 of 54 Rev. 2 December, 2014 Figure 3-3 Detail from Reference 1 Drawing: Input Locations and Directions

FAI/14-0989 Page 22 of 54 Rev. 2 December, 2014 Table 3-5 and Table 3-6 show the complete input listing for the two ARCON96 cases performed for this analysis. The cases are named for the unique direction angle for each input file as shown in the tables.

Figure 3-3 shows the locations of the release point and the two possible intake locations. The following distances and directions are calculated to augment results found by using the information supplied in Reference 1.

The horizontal distance between the release point and the intakes is calculated using the grid-like spacing indicated by the wall letters across the top of the drawing. Further adjustments are made to account for the offset between the source location and the wall grids. For the horizontal measurements, 5 FT is subtracted; the vertical direction subtracts 2 FT. For the normal location, the distances between Q-R, R-S, and S-T are used; the value being 59 FT. For the emergency intake location: N-P, P-Q, Q-R, R-S, and S-T less 4 FT from wall N for a distance of 100 FT.

Similarly, the vertical distance is calculated using the A values. Normal intake vertical distance is found using A1-A2, A2-A3, A3-A4, A4-A5, A5-A6, and A6-A7 and an estimated 16.75 FT, resulting in 136.75 FT. The emergency intake location uses A9-A10, A10-A11, A11-A12, and A12-A13: 74 FT.

From these values, the distance between the points is found using the Pythagorean Theorem and the angle between the receptors and the source is found by calculating the arctangent of the resulting triangle. For the normal intake:

For the emergency intake:

From Reference 3, the angle between the source and the receptor is taken from true North and is directed from the receptor to the source. Therefore, the normal intake angle must be turned 180° (to point in the proper direction) and be shifted 30° to correct toward true North. Similarly, the emergency intake must be adjusted to true North by a 30° shift. The resulting angles are 187° and 83° for the normal and emergency intakes respectively.

FAI/14-0989 Page 23 of 54 Rev. 2 December, 2014 Table 3-5 Input for Case TVA_175 (Normal Intake Location)

Input Parameter Value Meteorological Number of meteorological data files 10 Lower measurement height (m) 9.7 Upper measurement height (m) 46.4 Wind speed unit mph Source-Receptor Geometric Release type Ground Release height (m) 32.5 Building area (m2) for building wake effects 1744.7 Vertical velocity (m/s) 0.0 Stack flow (m3/s) 0.0 Stack radius (m) 0.0 Distance to receptor (m) 45.4 Direction to source 187° Control Room Intake height (m) 14.3 Reference elevation difference (m) 0.0 Dispersion Model Surface roughness length (m) 0.2 Wind direction window, degrees 90 Minimum wind speed (m/s) 0.5 Averaging sector width constant 4.3 Initial diffusion coefficients (m) 0 Hours in average Use the default values: 1, 2, 4, 8, 12, 24, 96, 168, 360, 720 Minimum number of hours Use the default values: 1, 2, 4, 8, 11, 22, 87, 152, 324, 648

FAI/14-0989 Page 24 of 54 Rev. 2 December, 2014 Table 3-6 Input for Case TVA_084 (Emergency Intake Location)

Input Parameter Value Meteorological Number of meteorological data files 10 Lower measurement height (m) 9.7 Upper measurement height (m) 46.4 Wind speed unit mph Source-Receptor Geometric Release type Ground Release height (m) 32.5 Building area (m2) for building wake effects 1744.7 Vertical velocity (m/s) 0.0 Stack flow (m3/s) 0.0 Stack radius (m) 0.0 Distance to receptor (m) 37.9 Direction to source 83° Control Room Intake height (m) 14.3 Reference elevation difference (m) 0.0 Dispersion Model Surface roughness length (m) 0.2 Wind direction window, degrees 90 Minimum wind speed (m/s) 0.5 Averaging sector width constant 4.3 Initial diffusion coefficients (m) 0 Hours in average Use the default values: 1, 2, 4, 8, 12, 24, 96, 168, 360, 720 Minimum number of hours Use the default values: 1, 2, 4, 8, 11, 22, 87, 152, 324, 648

FAI/14-0989 Page 25 of 54 Rev. 2 December, 2014 3.6 Assumptions

1. Regulatory Guide 1.194 is used as guidance to the code input. All default values have been used unless noted above. Regulatory Guide 1.194 was developed in order to provide guidance on the use of ARCON96 for the calculation of /Q values. Therefore, for the purposes of this report, its use is justified.
2. Ground-level releases are assumed for all cases. RG 1.194 (Ref. 3) suggests that the ground-level release type is suitable for the majority of /Q assessments.
3. All sources are assumed to be point sources. According to RG 1.194, the use of point sources is reasonable given that the receptors are sufficiently downwind from the source. Given that the source-receptor distance (shortest distance is 39.5 m) for these cases is roughly an order of magnitude greater than the size of the source (approximately 7 m) (see drawings in Reference 1), it is reasonable to assume a point source.
4. The shortest source-to-receptor distances are determined from the closest point on the perimeter of the source to the closet point on the perimeter of the receptor.

FAI/14-0989 Page 26 of 54 Rev. 2 December, 2014 4.0 References

1. TVA N10665, Sequoyah Nuclear Plant Units 1 and 2 - Nuclear Steam Supply System Master Services Agreement - Contract No. 4411 - Letter N10665, November 2014.
2. Ramsdell, J. V. and Simonen, C. A. Atmospheric Relative Concentrations in Building Wakes. ARCON96 Computer Code Users Guide. s.l. : Pacific Northwest National Laboratory (PNNL), May 1997. NUREG/CR-6331, PNNL-10521, Rev. 1.
3. Nuclear Regulatory Commission (NRC). Atmospheric Relative Concentrations for Control Room Radiological Habitability Assessments at Nuclear Power Plants. June 2003. U. S. NRC Regulatory Guide 1.194.
4. Fauske & Associates, Inc. (FAI). Dedication & Installation of External or Internal FAI Generated Nonqualified Computer Software. Revision 3, 2011. FAI-IG-3.5.

FAI/14-0989 Page 27 of 54 Rev. 2 December, 2014 5.0 Calculations and Results The input described above in Section 3 is used to create two ASCII input files with the file extension *.RSF. A batch file was then created specifying the input files and calling the ARCON96 executable. A list of all computer files is given in Appendix A.

Naming convention for the input files is that the number following TVA_ is the incident angle of receptor. This value is unique to all ARCON96 cases run for this calculation. Differences in input are described in Section 3.0.

The results of the 95th percentile /Q [s/m3] values for both intake locations using TVA inputs as well as alternative inputs are summarized in Table 5-1 below. The file name for both the *.RSF and *.LOG files are also listed.

Based on the results of the ARCON96 runs, it is recommended that the following values for /Q should be used for dose analysis:

Normal Intake location: 2.56E-03 [sec/m3]

Emergency Intake location: 1.57E-03 [sec/m3]

Table 5-1 Summary of Results Case Description File Name Averaging Period

/Q [s/m3]

Intake Location: Normal Source Receptor Distance: 45.4 m Direction from Receptor to Source: 187° All other input identical.

TVA_187 0-2 hours 2.56E-03 2-8 hours 2.20E-03 8-24 hours 1.04E-03 1-4 days 7.80E-04 4-30 days 6.01E-04 Intake Location: Emergency Source Receptor Distance: 37.9 m Direction from Receptor to Source: 83° All other input identical.

TVA_083 0-2 hours 1.57E-03 2-8 hours 6.45E-04 8-24 hours 2.64E-04 1-4 days 2.28E-04 4-30 days 1.76E-04

FAI/14-0989 Page 28 of 54 Rev. 2 December, 2014 APPENDIX A: Computer Files Table A-1 supplies a complete list of all computer files used for this analysis. Section A.1 below also gives the complete *.LOG file output for both ARCON96 runs.

Table A-1 Item File Name Purpose 1

TVA_187.RSF Input file for the Normal intake location run.

2 TVA_187.LOG Log (results) file for the Normal intake location run.

3 TVA_083.RSF Input file for the Emergency intake location run.

4 TVA_083.LOG Log (results) file for the Emergency intake location run.

5 ARCON_WIN32.exe ARCON96 Executable 6

TVA_ARCON32.BAT Batch file used to run ARCON96 7

sqn2004.met 2004 meteorological data file 8

sqn2005.met 2005 meteorological data file 9

sqn2006.met 2006 meteorological data file 10 sqn2007.met 2007 meteorological data file 11 sqn2008.met 2008 meteorological data file 12 sqn2009.met 2009 meteorological data file 13 sqn2010.met 2010 meteorological data file 14 sqn2011.met 2011 meteorological data file 15 sqn2012.met 2012 meteorological data file 16 sqn2013.met 2013 meteorological data file

FAI/14-0989 Page 29 of 54 Rev. 2 December, 2014 A.1 LOG File Output TVA_187.LOG Program

Title:

ARCON96.

Developed For: U.S. Nuclear Regulatory Commission Office of Nuclear Reactor Regulation Division of Reactor Program Management Date: June 25, 1997 11:00 a.m.

NRC Contacts: J. Y. Lee Phone: (301) 415 1080 e-mail: jyl1@nrc.gov J. J. Hayes Phone: (301) 415 3167 e-mail: jjh@nrc.gov L. A Brown Phone: (301) 415 1232 e-mail: lab2@nrc.gov Code Developer: J. V. Ramsdell Phone: (509) 372 6316 e-mail: j_ramsdell@pnl.gov Code Documentation: NUREG/CR-6331 Rev. 1 The program was prepared for an agency of the United States Government. Neither the United States Government nor any agency thereof, nor any of their employees, makes any warranty, expressed or implied, or assumes any legal liability or responsibilities for any third party's use, or the results of such use, of any portion of this program or represents that its use by such third party would not infringe privately owned rights.

Program Run 11/12/2014 at 08:25:01

FAI/14-0989 Page 30 of 54 Rev. 2 December, 2014 TVA_187.LOG

              • ARCON INPUT **********

Number of Meteorological Data Files = 10 Meteorological Data File Names sqn2004.met sqn2005.met sqn2006.met sqn2007.met sqn2008.met sqn2009.met sqn2010.met sqn2011.met sqn2012.met sqn2013.met Height of lower wind instrument (m) = 9.7 Height of upper wind instrument (m) = 46.4 Wind speeds entered as miles per hour Ground-level release Release height (m) = 32.5 Building Area (m^2) = 1744.7 Effluent vertical velocity (m/s) = 0.00 Vent or stack flow (m^3/s) = 0.00 Vent or stack radius (m) = 0.00 Direction.. intake to source (deg) = 187 Wind direction sector width (deg) = 90 Wind direction window (deg) = 142 - 232 Distance to intake (m) = 45.4 Intake height (m) = 14.3 Terrain elevation difference (m) = 0.0 Output file names TVA_187.log

FAI/14-0989 Page 31 of 54 Rev. 2 December, 2014 TVA_187.LOG TVA_187.cfd Minimum Wind Speed (m/s) = 0.5 Surface roughness length (m) = 0.20 Sector averaging constant = 4.3 Initial value of sigma y = 0.00 Initial value of sigma z = 0.00 Expanded output for code testing not selected Total number of hours of data processed = 87672 Hours of missing data = 1086 Hours direction in window = 33711 Hours elevated plume w/ dir. in window = 0 Hours of calm winds = 3480 Hours direction not in window or calm = 49395 DISTRIBUTION

SUMMARY

DATA BY AVERAGING INTERVAL AVER. PER. 1 2 4 8 12 24 96 168 360 720 UPPER LIM. 1.00E-02 1.00E-02 1.00E-02 1.00E-02 1.00E-02 1.00E-02 1.00E-02 1.00E-02 1.00E-02 1.00E-02 LOW LIM. 1.00E-06 1.00E-06 1.00E-06 1.00E-06 1.00E-06 1.00E-06 1.00E-06 1.00E-06 1.00E-06 1.00E-06 ABOVE RANGE 0. 0. 0. 0. 0. 0. 0. 0. 0. 0.

IN RANGE 37191. 41990. 47718. 54466. 60486. 70175. 84153. 85227. 85735. 85855.

BELOW RANGE 0. 0. 0. 0. 0. 0. 0. 0. 0. 0.

ZERO 49395. 44209. 37746. 29629. 24657. 14649. 662. 32. 0. 0.

TOTAL X/Qs 86586. 86199. 85464. 84095. 85143. 84824. 84815. 85259. 85735. 85855.

% NON ZERO 42.95 48.71 55.83 64.77 71.04 82.73 99.22 99.96 100.00 100.00 95th PERCENTILE X/Q VALUES 2.56E-03 2.49E-03 2.42E-03 2.29E-03 1.91E-03 1.46E-03 9.50E-04 8.20E-04 7.08E-04 6.47E-04 95% X/Q for standard averaging intervals 0 to 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> 2.56E-03 2 to 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> 2.20E-03

FAI/14-0989 Page 32 of 54 Rev. 2 December, 2014 TVA_187.LOG 8 to 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> 1.04E-03 1 to 4 days 7.80E-04 4 to 30 days 6.01E-04 HOURLY VALUE RANGE MAX X/Q MIN X/Q CENTERLINE 3.31E-03 2.34E-04 SECTOR-AVERAGE 1.93E-03 1.37E-04 NORMAL PROGRAM COMPLETION

FAI/14-0989 Page 33 of 54 Rev. 2 December, 2014 TVA_083.LOG Program

Title:

ARCON96.

Developed For: U.S. Nuclear Regulatory Commission Office of Nuclear Reactor Regulation Division of Reactor Program Management Date: June 25, 1997 11:00 a.m.

NRC Contacts: J. Y. Lee Phone: (301) 415 1080 e-mail: jyl1@nrc.gov J. J. Hayes Phone: (301) 415 3167 e-mail: jjh@nrc.gov L. A Brown Phone: (301) 415 1232 e-mail: lab2@nrc.gov Code Developer: J. V. Ramsdell Phone: (509) 372 6316 e-mail: j_ramsdell@pnl.gov Code Documentation: NUREG/CR-6331 Rev. 1 The program was prepared for an agency of the United States Government. Neither the United States Government nor any agency thereof, nor any of their employees, makes any warranty, expressed or implied, or assumes any legal liability or responsibilities for any third party's use, or the results of such use, of any portion of this program or represents that its use by such third party would not infringe privately owned rights.

Program Run 11/11/2014 at 10:46:04

              • ARCON INPUT **********

Number of Meteorological Data Files = 10 Meteorological Data File Names

FAI/14-0989 Page 34 of 54 Rev. 2 December, 2014 TVA_083.LOG sqn2004.met sqn2005.met sqn2006.met sqn2007.met sqn2008.met sqn2009.met sqn2010.met sqn2011.met sqn2012.met sqn2013.met Height of lower wind instrument (m) = 9.7 Height of upper wind instrument (m) = 46.4 Wind speeds entered as miles per hour Ground-level release Release height (m) = 32.5 Building Area (m^2) = 1744.7 Effluent vertical velocity (m/s) = 0.00 Vent or stack flow (m^3/s) = 0.00 Vent or stack radius (m) = 0.00 Direction.. intake to source (deg) = 083 Wind direction sector width (deg) = 90 Wind direction window (deg) = 038 - 128 Distance to intake (m) = 37.9 Intake height (m) = 14.3 Terrain elevation difference (m) = 0.0 Output file names TVA_083.log TVA_083.cfd Minimum Wind Speed (m/s) = 0.5 Surface roughness length (m) = 0.20 Sector averaging constant = 4.3

FAI/14-0989 Page 35 of 54 Rev. 2 December, 2014 TVA_083.LOG Initial value of sigma y = 0.00 Initial value of sigma z = 0.00 Expanded output for code testing not selected Total number of hours of data processed = 87672 Hours of missing data = 1086 Hours direction in window = 7383 Hours elevated plume w/ dir. in window = 0 Hours of calm winds = 3480 Hours direction not in window or calm = 75723 DISTRIBUTION

SUMMARY

DATA BY AVERAGING INTERVAL AVER. PER. 1 2 4 8 12 24 96 168 360 720 UPPER LIM. 1.00E-02 1.00E-02 1.00E-02 1.00E-02 1.00E-02 1.00E-02 1.00E-02 1.00E-02 1.00E-02 1.00E-02 LOW LIM. 1.00E-06 1.00E-06 1.00E-06 1.00E-06 1.00E-06 1.00E-06 1.00E-06 1.00E-06 1.00E-06 1.00E-06 ABOVE RANGE 0. 0. 0. 0. 0. 0. 0. 0. 0. 0.

IN RANGE 10863. 16348. 24255. 35068. 43680. 59008. 82832. 85198. 85735. 85855.

BELOW RANGE 0. 0. 0. 0. 0. 0. 0. 0. 0. 0.

ZERO 75723. 69851. 61209. 49027. 41463. 25816. 1983. 61. 0. 0.

TOTAL X/Qs 86586. 86199. 85464. 84095. 85143. 84824. 84815. 85259. 85735. 85855.

% NON ZERO 12.55 18.97 28.38 41.70 51.30 69.57 97.66 99.93 100.00 100.00 95th PERCENTILE X/Q VALUES 1.57E-03 1.27E-03 1.05E-03 8.75E-04 6.88E-04 4.67E-04 2.88E-04 2.47E-04 2.13E-04 1.91E-04 95% X/Q for standard averaging intervals 0 to 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> 1.57E-03 2 to 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> 6.45E-04 8 to 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> 2.64E-04 1 to 4 days 2.28E-04 4 to 30 days 1.76E-04 HOURLY VALUE RANGE

FAI/14-0989 Page 36 of 54 Rev. 2 December, 2014 TVA_083.LOG MAX X/Q MIN X/Q CENTERLINE 4.18E-03 3.72E-04 SECTOR-AVERAGE 2.44E-03 2.17E-04 NORMAL PROGRAM COMPLETION

FAI/14-0989 Page 37 of 54 Rev. 2 December, 2014 APPENDIX B: Software Installation and Validation The example problems presented in Reference 2 where run on a local PC as described in Section 2.1. The log files from these runs are compared to the original log files from the distribution of ARCON96. The following printout shows the differences between corresponding log files. The only difference that is not related to I/O (i.e. run dates, leading zeroes, etc.) is example case 2.

For this case, the 95th percentile value for the 8 hour9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> averaging period is different in the last decimal (0.00177 vs. 0.00176).

Validation.DAT C:\\LIBRARY\\SEQUOYAH\\DOCUMENTATION\\SOFTWARE>DIR Volume in drive C is OSDisk Volume Serial Number is A077-018D Directory of C:\\LIBRARY\\SEQUOYAH\\DOCUMENTATION\\SOFTWARE 11/11/2014 11:02 AM <DIR>.

11/11/2014 11:02 AM <DIR>..

11/11/2014 11:00 AM <DIR> 1997 10/29/2014 01:10 PM 480 ARCON32.BAT 03/30/2004 09:44 AM 630,784 ARCON_WIN32.exe 04/01/1995 06:00 AM 324,120 EXAMPLE.MET 03/01/2004 12:53 PM 4,829 FAI1_96.log 10/29/2014 01:10 PM 11,168 FAI1_96_2014.cfd 10/29/2014 01:10 PM 4,829 FAI1_96_2014.log 10/29/2014 01:09 PM 408 FAI1_96_2014.RSF 10/29/2014 01:10 PM 11,168 FAI2_96_2014.cfd 10/29/2014 01:10 PM 4,829 FAI2_96_2014.log 10/29/2014 01:09 PM 408 FAI2_96_2014.RSF 10/29/2014 01:10 PM 11,168 FAI3_96_2014.cfd 10/29/2014 01:10 PM 4,829 FAI3_96_2014.log 10/29/2014 01:09 PM 408 FAI3_96_2014.RSF 10/29/2014 01:10 PM 11,168 FAI4_96_2014.cfd 10/29/2014 01:10 PM 4,834 FAI4_96_2014.log 10/29/2014 01:09 PM 408 FAI4_96_2014.RSF 10/29/2014 01:10 PM 11,168 FAI5a_96_2014.cfd 10/29/2014 01:10 PM 4,829 FAI5a_96_2014.log 10/29/2014 01:09 PM 408 FAI5A_96_2014.RSF 10/29/2014 01:10 PM 11,168 FAI5b_96_2014.cfd 10/29/2014 01:10 PM 4,829 FAI5b_96_2014.log 10/29/2014 01:09 PM 408 FAI5B_96_2014.RSF 10/29/2014 01:10 PM 11,168 FAI5c_96_2014.cfd 10/29/2014 01:10 PM 4,829 FAI5c_96_2014.log 10/29/2014 01:09 PM 408 FAI5C_96_2014.RSF 10/29/2014 01:10 PM 11,168 FAI5d_96_2014.cfd 10/29/2014 01:10 PM 4,829 FAI5d_96_2014.log 10/29/2014 01:09 PM 408 FAI5D_96_2014.RSF 10/29/2014 01:10 PM 11,168 FAI5e_96_2014.cfd

FAI/14-0989 Page 38 of 54 Rev. 2 December, 2014 Validation.DAT 10/29/2014 01:10 PM 4,829 FAI5e_96_2014.log 10/29/2014 01:09 PM 408 FAI5E_96_2014.RSF 10/29/2014 01:10 PM 11,168 FAI5f_96_2014.cfd 10/29/2014 01:10 PM 4,829 FAI5f_96_2014.log 10/29/2014 01:09 PM 408 FAI5F_96_2014.RSF 10/29/2014 01:19 PM 655 FC_ARCON32.BAT 11/11/2014 11:03 AM 467 FC_ARCON32_VV.BAT 11/11/2014 09:28 AM 123 OutputTest.bat 10/29/2014 01:10 PM 11,168 PI-11A_2014.cfd 10/29/2014 01:10 PM 5,034 PI-11A_2014.log 10/29/2014 01:09 PM 576 PI-11A_2014.RSF 10/29/2014 01:10 PM 11,168 PI-11b_2014.cfd 10/29/2014 01:10 PM 5,034 PI-11b_2014.log 10/29/2014 01:09 PM 1,418 PI-11B_2014.RSF 10/29/2014 01:10 PM 11,168 PI-12a_2014.cfd 10/29/2014 01:10 PM 5,034 PI-12a_2014.log 10/29/2014 01:09 PM 576 PI-12A_2014.RSF 03/31/2004 07:59 AM 398 PI-TEST2.RSF 09/14/2000 09:09 PM 332,880 Pi93.met 09/14/2000 09:08 PM 332,880 Pi94.met 09/14/2000 09:08 PM 332,880 Pi95.met 09/14/2000 09:08 PM 332,880 Pi96.met 09/14/2000 09:07 PM 332,880 Pi97.met 10/29/2014 01:07 PM <DIR> PREVIOUS 11/11/2014 09:29 AM 29,641 TestData.dat 11/11/2014 11:03 AM 0 Validation.dat 54 File(s) 2,871,128 bytes 4 Dir(s) 102,043,660,288 bytes free C:\\LIBRARY\\SEQUOYAH\\DOCUMENTATION\\SOFTWARE>FC FAI1_96_2014.LOG 1997\\EX1_96.LOG Comparing files FAI1_96_2014.log and 1997\\EX1_96.LOG

          • FAI1_96_2014.log Date: June 25, 1997 11:00 a.m.
          • 1997\\EX1_96.LOG Date: May 9, 1997 3:00 p.m.
          • FAI1_96_2014.log Program Run 10/29/2014 at 14:10:57
          • 1997\\EX1_96.LOG Program Run 5/ 9/1997 at 15:03:19

FAI/14-0989 Page 39 of 54 Rev. 2 December, 2014 Validation.DAT

          • FAI1_96_2014.log Ground-level release Release height (m) = 0.0 Building Area (m^2) = 1900.0 Effluent vertical velocity (m/s) = 0.00 Vent or stack flow (m^3/s) = 0.00 Vent or stack radius (m) = 0.00
          • 1997\\EX1_96.LOG Ground-level release Release height (m) =.0 Building Area (m^2) = 1900.0 Effluent vertical velocity (m/s) =.00 Vent or stack flow (m^3/s) =.00 Vent or stack radius (m) =.00
          • FAI1_96_2014.log Intake height (m) = 15.0 Terrain elevation difference (m) = 0.0
          • 1997\\EX1_96.LOG Intake height (m) = 15.0 Terrain elevation difference (m) =.0
          • FAI1_96_2014.log Output file names FAI1_96_2014.log FAI1_96_2014.cfd Minimum Wind Speed (m/s) = 0.5 Surface roughness length (m) = 0.10 Sector averaging constant = 4.0
          • 1997\\EX1_96.LOG Output file names ex1_96.log ex1_96.cfd Minimum Wind Speed (m/s) =.5 Surface roughness length (m) =.10 Sector averaging constant = 4.0
          • FAI1_96_2014.log Initial value of sigma y = 0.00 Initial value of sigma z = 0.00

FAI/14-0989 Page 40 of 54 Rev. 2 December, 2014 Validation.DAT

          • 1997\\EX1_96.LOG Initial value of sigma y =.00 Initial value of sigma z =.00 C:\\LIBRARY\\SEQUOYAH\\DOCUMENTATION\\SOFTWARE>FC FAI2_96_2014.LOG 1997\\EX2_96.LOG Comparing files FAI2_96_2014.log and 1997\\EX2_96.LOG
          • FAI2_96_2014.log Date: June 25, 1997 11:00 a.m.
          • 1997\\EX2_96.LOG Date: May 9, 1997 3:00 p.m.
          • FAI2_96_2014.log Program Run 10/29/2014 at 14:10:57
          • 1997\\EX2_96.LOG Program Run 5/ 9/1997 at 15:03:28
          • FAI2_96_2014.log Intake height (m) = 25.0 Terrain elevation difference (m) = 0.0
          • 1997\\EX2_96.LOG Intake height (m) = 25.0 Terrain elevation difference (m) =.0
          • FAI2_96_2014.log Output file names FAI2_96_2014.log FAI2_96_2014.cfd Minimum Wind Speed (m/s) = 0.5 Surface roughness length (m) = 0.10 Sector averaging constant = 4.0
          • 1997\\EX2_96.LOG Output file names ex2_96.log

FAI/14-0989 Page 41 of 54 Rev. 2 December, 2014 Validation.DAT ex2_96.cfd Minimum Wind Speed (m/s) =.5 Surface roughness length (m) =.10 Sector averaging constant = 4.0

          • FAI2_96_2014.log Initial value of sigma y = 0.00 Initial value of sigma z = 0.00
          • 1997\\EX2_96.LOG Initial value of sigma y =.00 Initial value of sigma z =.00
          • FAI2_96_2014.log 95th PERCENTILE X/Q VALUES 1.94E-03 1.93E-03 1.87E-03 1.77E-03 1.52E-03 1.10E-03 6.79E-04 5.40E-04 4.28E-04 3.28E-04
          • 1997\\EX2_96.LOG 95th PERCENTILE X/Q VALUES 1.94E-03 1.93E-03 1.87E-03 1.76E-03 1.52E-03 1.10E-03 6.79E-04 5.40E-04 4.28E-04 3.28E-04 C:\\LIBRARY\\SEQUOYAH\\DOCUMENTATION\\SOFTWARE>FC FAI3_96_2014.LOG 1997\\EX3_96.LOG Comparing files FAI3_96_2014.log and 1997\\EX3_96.LOG
          • FAI3_96_2014.log Date: June 25, 1997 11:00 a.m.
          • 1997\\EX3_96.LOG Date: May 9, 1997 3:00 p.m.
          • FAI3_96_2014.log Program Run 10/29/2014 at 14:10:57
          • 1997\\EX3_96.LOG Program Run 5/ 9/1997 at 15:03:36

FAI/14-0989 Page 42 of 54 Rev. 2 December, 2014 Validation.DAT

          • FAI3_96_2014.log Building Area (m^2) = 1730.0 Effluent vertical velocity (m/s) = 0.00 Vent or stack flow (m^3/s) = 15.70
          • 1997\\EX3_96.LOG Building Area (m^2) = 1730.0 Effluent vertical velocity (m/s) =.00 Vent or stack flow (m^3/s) = 15.70
          • FAI3_96_2014.log Intake height (m) = 25.0 Terrain elevation difference (m) = 0.0
          • 1997\\EX3_96.LOG Intake height (m) = 25.0 Terrain elevation difference (m) =.0
          • FAI3_96_2014.log Output file names FAI3_96_2014.log FAI3_96_2014.cfd Minimum Wind Speed (m/s) = 0.5 Surface roughness length (m) = 0.10 Sector averaging constant = 4.0
          • 1997\\EX3_96.LOG Output file names ex3_96.log ex3_96.cfd Minimum Wind Speed (m/s) =.5 Surface roughness length (m) =.10 Sector averaging constant = 4.0
          • FAI3_96_2014.log Initial value of sigma y = 0.00 Initial value of sigma z = 0.00
          • 1997\\EX3_96.LOG Initial value of sigma y =.00 Initial value of sigma z =.00

FAI/14-0989 Page 43 of 54 Rev. 2 December, 2014 Validation.DAT

          • FAI3_96_2014.log 2 to 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> 8.12E-03 8 to 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> 4.01E-03 1 to 4 days 3.03E-03
          • 1997\\EX3_96.LOG 2 to 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> 8.12E-03 8 to 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> 4.00E-03 1 to 4 days 3.03E-03
          • FAI3_96_2014.log CENTERLINE 1.61E-02 3.99E-03 SECTOR-AVERAGE 1.12E-02 2.56E-03
          • 1997\\EX3_96.LOG CENTERLINE 1.61E-02 3.99E-03 SECTOR-AVERAGE 1.11E-02 2.56E-03 C:\\LIBRARY\\SEQUOYAH\\DOCUMENTATION\\SOFTWARE>FC FAI4_96_2014.LOG 1997\\EX4_96.LOG Comparing files FAI4_96_2014.log and 1997\\EX4_96.LOG
          • FAI4_96_2014.log Date: June 25, 1997 11:00 a.m.
          • 1997\\EX4_96.LOG Date: May 9, 1997 3:00 p.m.
          • FAI4_96_2014.log Program Run 10/29/2014 at 14:10:57
          • 1997\\EX4_96.LOG Program Run 5/ 9/1997 at 15:03:44
          • FAI4_96_2014.log Release height (m) = 65.0 Building Area (m^2) = 0.0 Effluent vertical velocity (m/s) = 10.00
          • 1997\\EX4_96.LOG Release height (m) = 65.0

FAI/14-0989 Page 44 of 54 Rev. 2 December, 2014 Validation.DAT Building Area (m^2) =.0 Effluent vertical velocity (m/s) = 10.00

          • FAI4_96_2014.log Intake height (m) = 25.0 Terrain elevation difference (m) = 0.0
          • 1997\\EX4_96.LOG Intake height (m) = 25.0 Terrain elevation difference (m) =.0
          • FAI4_96_2014.log Output file names FAI4_96_2014.log FAI4_96_2014.cfd Minimum Wind Speed (m/s) = 0.5 Surface roughness length (m) = 0.10 Sector averaging constant = 4.0
          • 1997\\EX4_96.LOG Output file names ex4_96.log ex4_96.cfd Minimum Wind Speed (m/s) =.5 Surface roughness length (m) =.10 Sector averaging constant = 4.0
          • FAI4_96_2014.log Initial value of sigma y = 0.00 Initial value of sigma z = 0.00
          • 1997\\EX4_96.LOG Initial value of sigma y =.00 Initial value of sigma z =.00 C:\\LIBRARY\\SEQUOYAH\\DOCUMENTATION\\SOFTWARE>FC FAI5A_96_2014.LOG 1997\\EX5A_96.LOG Comparing files FAI5a_96_2014.log and 1997\\EX5A_96.LOG
          • FAI5a_96_2014.log Date: June 25, 1997 11:00 a.m.

FAI/14-0989 Page 45 of 54 Rev. 2 December, 2014 Validation.DAT

          • 1997\\EX5A_96.LOG Date: May 9, 1997 3:00 p.m.
          • FAI5a_96_2014.log Program Run 10/29/2014 at 14:10:57
          • 1997\\EX5A_96.LOG Program Run 5/ 9/1997 at 15:03:54
          • FAI5a_96_2014.log Building Area (m^2) = 1500.0 Effluent vertical velocity (m/s) = 0.00 Vent or stack flow (m^3/s) = 5.00 Vent or stack radius (m) = 0.50
          • 1997\\EX5A_96.LOG Building Area (m^2) = 1500.0 Effluent vertical velocity (m/s) =.00 Vent or stack flow (m^3/s) = 5.00 Vent or stack radius (m) =.50
          • FAI5a_96_2014.log Intake height (m) = 23.0 Terrain elevation difference (m) = 0.0
          • 1997\\EX5A_96.LOG Intake height (m) = 23.0 Terrain elevation difference (m) =.0
          • FAI5a_96_2014.log Output file names FAI5a_96_2014.log FAI5a_96_2014.cfd Minimum Wind Speed (m/s) = 0.5 Surface roughness length (m) = 0.10 Sector averaging constant = 4.0
          • 1997\\EX5A_96.LOG Output file names ex5a_96.log

FAI/14-0989 Page 46 of 54 Rev. 2 December, 2014 Validation.DAT ex5a_96.cfd Minimum Wind Speed (m/s) =.5 Surface roughness length (m) =.10 Sector averaging constant = 4.0

          • FAI5a_96_2014.log Initial value of sigma y = 0.00 Initial value of sigma z = 0.00
          • 1997\\EX5A_96.LOG Initial value of sigma y =.00 Initial value of sigma z =.00 C:\\LIBRARY\\SEQUOYAH\\DOCUMENTATION\\SOFTWARE>FC FAI5B_96_2014.LOG 1997\\EX5B_96.LOG Comparing files FAI5b_96_2014.log and 1997\\EX5B_96.LOG
          • FAI5b_96_2014.log Date: June 25, 1997 11:00 a.m.
          • 1997\\EX5B_96.LOG Date: May 9, 1997 3:00 p.m.
          • FAI5b_96_2014.log Program Run 10/29/2014 at 14:10:57
          • 1997\\EX5B_96.LOG Program Run 5/ 9/1997 at 15:04:01
          • FAI5b_96_2014.log Building Area (m^2) = 1500.0 Effluent vertical velocity (m/s) = 0.00 Vent or stack flow (m^3/s) = 5.00 Vent or stack radius (m) = 0.50
          • 1997\\EX5B_96.LOG Building Area (m^2) = 1500.0 Effluent vertical velocity (m/s) =.00

FAI/14-0989 Page 47 of 54 Rev. 2 December, 2014 Validation.DAT Vent or stack flow (m^3/s) = 5.00 Vent or stack radius (m) =.50

          • FAI5b_96_2014.log Intake height (m) = 23.0 Terrain elevation difference (m) = 0.0
          • 1997\\EX5B_96.LOG Intake height (m) = 23.0 Terrain elevation difference (m) =.0
          • FAI5b_96_2014.log Output file names FAI5b_96_2014.log FAI5b_96_2014.cfd Minimum Wind Speed (m/s) = 0.5 Surface roughness length (m) = 0.10 Sector averaging constant = 4.0
          • 1997\\EX5B_96.LOG Output file names ex5b_96.log ex5b_96.cfd Minimum Wind Speed (m/s) =.5 Surface roughness length (m) =.10 Sector averaging constant = 4.0
          • FAI5b_96_2014.log Initial value of sigma y = 0.00 Initial value of sigma z = 0.00
          • 1997\\EX5B_96.LOG Initial value of sigma y =.00 Initial value of sigma z =.00 C:\\LIBRARY\\SEQUOYAH\\DOCUMENTATION\\SOFTWARE>FC FAI5C_96_2014.LOG 1997\\EX5C_96.LOG Comparing files FAI5c_96_2014.log and 1997\\EX5C_96.LOG
          • FAI5c_96_2014.log Date: June 25, 1997 11:00 a.m.

FAI/14-0989 Page 48 of 54 Rev. 2 December, 2014 Validation.DAT

          • 1997\\EX5C_96.LOG Date: May 9, 1997 3:00 p.m.
          • FAI5c_96_2014.log Program Run 10/29/2014 at 14:10:57
          • 1997\\EX5C_96.LOG Program Run 5/ 9/1997 at 15:04:09
          • FAI5c_96_2014.log Building Area (m^2) = 1500.0 Effluent vertical velocity (m/s) = 0.00 Vent or stack flow (m^3/s) = 5.00 Vent or stack radius (m) = 0.50
          • 1997\\EX5C_96.LOG Building Area (m^2) = 1500.0 Effluent vertical velocity (m/s) =.00 Vent or stack flow (m^3/s) = 5.00 Vent or stack radius (m) =.50
          • FAI5c_96_2014.log Intake height (m) = 23.0 Terrain elevation difference (m) = 0.0
          • 1997\\EX5C_96.LOG Intake height (m) = 23.0 Terrain elevation difference (m) =.0
          • FAI5c_96_2014.log Output file names FAI5c_96_2014.log FAI5c_96_2014.cfd Minimum Wind Speed (m/s) = 0.5 Surface roughness length (m) = 0.10 Sector averaging constant = 4.0
          • 1997\\EX5C_96.LOG Output file names

FAI/14-0989 Page 49 of 54 Rev. 2 December, 2014 Validation.DAT ex5c_96.log ex5c_96.cfd Minimum Wind Speed (m/s) =.5 Surface roughness length (m) =.10 Sector averaging constant = 4.0

          • FAI5c_96_2014.log Initial value of sigma y = 0.00 Initial value of sigma z = 0.00
          • 1997\\EX5C_96.LOG Initial value of sigma y =.00 Initial value of sigma z =.00 C:\\LIBRARY\\SEQUOYAH\\DOCUMENTATION\\SOFTWARE>FC FAI5D_96_2014.LOG 1997\\EX5D_96.LOG Comparing files FAI5d_96_2014.log and 1997\\EX5D_96.LOG
          • FAI5d_96_2014.log Date: June 25, 1997 11:00 a.m.
          • 1997\\EX5D_96.LOG Date: May 9, 1997 3:00 p.m.
          • FAI5d_96_2014.log Program Run 10/29/2014 at 14:10:58
          • 1997\\EX5D_96.LOG Program Run 5/ 9/1997 at 15:04:17
          • FAI5d_96_2014.log Building Area (m^2) = 1500.0 Effluent vertical velocity (m/s) = 0.00 Vent or stack flow (m^3/s) = 5.00 Vent or stack radius (m) = 0.50
          • 1997\\EX5D_96.LOG Building Area (m^2) = 1500.0

FAI/14-0989 Page 50 of 54 Rev. 2 December, 2014 Validation.DAT Effluent vertical velocity (m/s) =.00 Vent or stack flow (m^3/s) = 5.00 Vent or stack radius (m) =.50

          • FAI5d_96_2014.log Intake height (m) = 23.0 Terrain elevation difference (m) = 0.0
          • 1997\\EX5D_96.LOG Intake height (m) = 23.0 Terrain elevation difference (m) =.0
          • FAI5d_96_2014.log Output file names FAI5d_96_2014.log FAI5d_96_2014.cfd Minimum Wind Speed (m/s) = 0.5 Surface roughness length (m) = 0.10 Sector averaging constant = 4.0
          • 1997\\EX5D_96.LOG Output file names ex5d_96.log ex5d_96.cfd Minimum Wind Speed (m/s) =.5 Surface roughness length (m) =.10 Sector averaging constant = 4.0
          • FAI5d_96_2014.log Initial value of sigma y = 0.00 Initial value of sigma z = 0.00
          • 1997\\EX5D_96.LOG Initial value of sigma y =.00 Initial value of sigma z =.00 C:\\LIBRARY\\SEQUOYAH\\DOCUMENTATION\\SOFTWARE>FC FAI5E_96_2014.LOG 1997\\EX5E_96.LOG Comparing files FAI5e_96_2014.log and 1997\\EX5E_96.LOG
          • FAI5e_96_2014.log

FAI/14-0989 Page 51 of 54 Rev. 2 December, 2014 Validation.DAT Date: June 25, 1997 11:00 a.m.

          • 1997\\EX5E_96.LOG Date: May 9, 1997 3:00 p.m.
          • FAI5e_96_2014.log Program Run 10/29/2014 at 14:10:58
          • 1997\\EX5E_96.LOG Program Run 5/ 9/1997 at 15:04:23
          • FAI5e_96_2014.log Building Area (m^2) = 1500.0 Effluent vertical velocity (m/s) = 0.00 Vent or stack flow (m^3/s) = 60.00
          • 1997\\EX5E_96.LOG Building Area (m^2) = 1500.0 Effluent vertical velocity (m/s) =.00 Vent or stack flow (m^3/s) = 60.00
          • FAI5e_96_2014.log Intake height (m) = 23.0 Terrain elevation difference (m) = 0.0
          • 1997\\EX5E_96.LOG Intake height (m) = 23.0 Terrain elevation difference (m) =.0
          • FAI5e_96_2014.log Output file names FAI5e_96_2014.log FAI5e_96_2014.cfd Minimum Wind Speed (m/s) = 0.5 Surface roughness length (m) = 0.10 Sector averaging constant = 4.0
          • 1997\\EX5E_96.LOG Output file names ex5e_96.log ex5e_96.cfd

FAI/14-0989 Page 52 of 54 Rev. 2 December, 2014 Validation.DAT Minimum Wind Speed (m/s) =.5 Surface roughness length (m) =.10 Sector averaging constant = 4.0 C:\\LIBRARY\\SEQUOYAH\\DOCUMENTATION\\SOFTWARE>FC FAI5E_96_2014.LOG 1997\\EX5E_96.LOG Comparing files FAI5e_96_2014.log and 1997\\EX5E_96.LOG

          • FAI5e_96_2014.log Date: June 25, 1997 11:00 a.m.
          • 1997\\EX5E_96.LOG Date: May 9, 1997 3:00 p.m.
          • FAI5e_96_2014.log Program Run 10/29/2014 at 14:10:58
          • 1997\\EX5E_96.LOG Program Run 5/ 9/1997 at 15:04:23
          • FAI5e_96_2014.log Building Area (m^2) = 1500.0 Effluent vertical velocity (m/s) = 0.00 Vent or stack flow (m^3/s) = 60.00
          • 1997\\EX5E_96.LOG Building Area (m^2) = 1500.0 Effluent vertical velocity (m/s) =.00 Vent or stack flow (m^3/s) = 60.00
          • FAI5e_96_2014.log Intake height (m) = 23.0 Terrain elevation difference (m) = 0.0
          • 1997\\EX5E_96.LOG Intake height (m) = 23.0 Terrain elevation difference (m) =.0
          • FAI5e_96_2014.log Output file names FAI5e_96_2014.log

FAI/14-0989 Page 53 of 54 Rev. 2 December, 2014 Validation.DAT FAI5e_96_2014.cfd Minimum Wind Speed (m/s) = 0.5 Surface roughness length (m) = 0.10 Sector averaging constant = 4.0

          • 1997\\EX5E_96.LOG Output file names ex5e_96.log ex5e_96.cfd Minimum Wind Speed (m/s) =.5 Surface roughness length (m) =.10 Sector averaging constant = 4.0 C:\\LIBRARY\\SEQUOYAH\\DOCUMENTATION\\SOFTWARE>FC FAI5F_96_2014.LOG 1997\\EX5F_96.LOG Comparing files FAI5f_96_2014.log and 1997\\EX5F_96.LOG
          • FAI5f_96_2014.log Date: June 25, 1997 11:00 a.m.
          • 1997\\EX5F_96.LOG Date: May 9, 1997 3:00 p.m.
          • FAI5f_96_2014.log Program Run 10/29/2014 at 14:10:58
          • 1997\\EX5F_96.LOG Program Run 5/ 9/1997 at 15:04:32
          • FAI5f_96_2014.log Building Area (m^2) = 1500.0 Effluent vertical velocity (m/s) = 0.00 Vent or stack flow (m^3/s) = 20.00
          • 1997\\EX5F_96.LOG Building Area (m^2) = 1500.0 Effluent vertical velocity (m/s) =.00 Vent or stack flow (m^3/s) = 20.00
          • FAI5f_96_2014.log Intake height (m) = 23.0 Terrain elevation difference (m) = 0.0

FAI/14-0989 Page 54 of 54 Rev. 2 December, 2014 Validation.DAT

          • 1997\\EX5F_96.LOG Intake height (m) = 23.0 Terrain elevation difference (m) =.0
          • FAI5f_96_2014.log Output file names FAI5f_96_2014.log FAI5f_96_2014.cfd Minimum Wind Speed (m/s) = 0.5 Surface roughness length (m) = 0.10 Sector averaging constant = 4.0
          • 1997\\EX5F_96.LOG Output file names ex5f_96.log ex5f_96.cfd Minimum Wind Speed (m/s) =.5 Surface roughness length (m) =.10 Sector averaging constant = 4.0
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