ULNRC-05781, Callaway Plant NFPA 805 Transition Report, Attachment H - NFPA 805 Frequently Asked Question Summary Table, Attachment I - Definition of Power Block & Attachment J - Fire Modeling V & V
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Ameren Missouri Callaway Plant NFPA 805 Transition Report August 2011 Page H-1 H. NFPA 805 Frequently Asked Question Summary Table 2 Pages Attached Note: The NFPA 805 FAQ process will continue through the transition of non-pilot NFPA 805 transition plants. Final closure of the FAQs will occur when RG 1.205, which endorses the new revision of NEI 04-02, is approved by the NRC. It is expected that additional FAQs will be written and existing FAQs will be revised as the NFPA 805 transition process continues.
Ameren Missouri Callaway Plant NFPA 805 Transition Report August 2011 Page H-2 This table includes the approved FAQs that have not been incorporated into the current endorsed revision of NEI 04-02 and utilized in this submittal:
Table H NEI 04-02 FAQs Utilized in LAR Submittal No. Rev. Title FAQ Ref. Closure Memo 06-0008 9 NFPA 805 Fire Protection Engineering Evaluations ML090560170 ML073380976 06-0022 3 Acceptable Electrical Cable Construction Tests ML090830220 ML091240278 07-0030 5 Establishing Recovery Actions ML103090602 ML110070485 07-0032 2 Clarification of 10 CFR 50.48(c), 10 CFR 50.48(a) and GDC 3 clarification ML081300697 ML081400292 07-0035 2 Bus Duct Counting Guidance for High Energy Arcing Faults ML091610189 ML091620572 07-0038 3 Lessons learned on Multiple Spurious Operations ML103090608 ML110140242 07-0039 2 Lessons Learned - NEI B-2 Table ML091420138 ML091320068 07-0040 4 Non-Power Operations Clarification ML082070249 ML082200528 07-0042 0 Fire Propagation from Electrical Cabinets ML080230438 ML091460350 ML092110537 08-0043 1 Electrical Cabinet Fire Location ML083540152 ML091470266 ML092120448 08-0044 0 Large Oil Fires ML081200099 ML091540179 ML092110516 08-0046 0 Incipient Fire Detection Systems ML081200120 ML093220197 ML093220426 08-0047 1 Spurious Operation Probability ML082770662 ML082950750 08-0048 0 Fire Ignition Frequency ML081200291 ML092180383 ML092190457 08-0049 0 Cable Fires ML081200309 ML091470242 ML092100274 08-0050 0 Non Suppression Probability ML081200318 ML091680045 ML092190555 08-0051 0 Hot Short Duration ML083400188 ML100820346 ML100900052 Ameren Missouri Callaway Plant NFPA 805 Transition Report August 2011 Page H-3 Table H NEI 04-02 FAQs Utilized in LAR Submittal No. Rev. Title FAQ Ref. Closure Memo 08-0052 0 Transient Fire Growth Rate and Control Room Non-Suppression ML081500500 ML091590505 ML092120501 07-0054* 1 Demonstrating Compliance with Chapter 4 of NFPA 805 ML103510379 ML110140183 09-0056 2 Radioactive Release Transition ML102810600 ML102920405 08-0057 3 New Shutdown Strategy ML100330863 ML100960568 *Note: The FAQ Submittal number was 08-0054 but the NRC Closure Memo for the FAQ was listed as 07-0054. 07-0054 was used to be consistent with the Closure Memo.
This table includes FAQs that have not been approved by the NRC but are utilized in this submittal based on industry concurrence with the guidance contained therein:
No. Rev. Title FAQ Ref. Closure Memo 10-0059** 1 NFPA 805 Monitoring ML111180481 N/A **Note: Section 4.6 of the transition report presents the monitoring program and is based on FAQ 10-0059 Rev. 1 which is the latest available copy at t he time of this submittal but is still under review by the NRC.
Ameren Missouri Callaway Plant NFPA 805 Transition Report August 2011 Page I-1 I. Definition of Power Block 1 Page Attached Ameren Missouri Callaway Plant NFPA 805 Transition Report August 2011 Page I-2 The structures in the Owner Controlled Area were evaluated in Callaway Plant Calculation KC-43, "NFPA 805 Code Comparison," to determine those structures that contain equipment that is required to meet the nuclear safety performance criteria and radioactive release performance criteria described in Section 1.5 of NFPA 805. For the purposes of establishing the structures included in the Callaway Plant Fire Protection Program in accordance with 10 CFR 50.48(c) and NFPA 805, the buildings and structures listed in the following table are considered to be part of the power block.
Table I Power Block Definition Power Block Structures Fire Area(s)
Auxiliary Building A-1, A-2, A-3, A-4, A-5, A-6, A-7, A-8, A-9, A-10, A-11, A-12, A-13, A-14, A-15 , A-16, A-17, A-18, A-19, A-20, A-21, A-22, A-23, A-24, A-25, A-26, A-27, A-28, A-29, A-30, A-33 Auxiliary Boiler Room AB-1 Control Building C-1, C-2, C-3, C-4, C-5, C-6, C-7, C-8, C-9, C-10, C-11, C-12, C-13, C-14, C-15, C-16, C-17, C-18, C-19, C-20, C-21, C-22, C-23, C-24, C-25, C-26, C-27, C-28, C-29, C-30, C-31, C-32, C-33, C-34, C-35, C-36, C-37 Diesel Generator Building D-1, D-2 ESW Pump House UNPH, USPH Fuel Building FB-1 Radwaste Building RW-1 Reactor Building RB-1 Turbine Building (including communication corridor) TB-1 UHS Cooling Tower UNCT, USCT
Ameren Missouri Callaway Plant NFPA 805 Transition Report August 2011 Page J-1 J. Fire Modeling V&V 11 Pages Attached
Ameren Missouri Callaway Plant NFPA 805 Transition Report August 2011 Page J-2 Attachment J - Table J-1 - V & V Basis for Fire Models / Model Correlations Used Calculation Application V & V Basis Discussion Flame Height (Method of Heskestad) Calculates the vertical extension of the flame region of a fire. NUREG-1805, Chapter 3, 2004 NUREG-1824, Volume 3, 2007 SFPE Handbook, 4 th Edition, Chapter 2-1, Heskestad, 2008 The correlation is used in the NUREG-1805 fire model, for which V&V was documented in NUREG-1824. The correlation is documented in an authoritative publication of the "SFPE Handbook of Fire Protection Engineering." The correlation is used within the limits of its range of applicability. Plume Centerline Temperature (Method of Heskestad) Calculates the vertical separation distance, based on temperature, to a target in order to determine the vertical extent of the ZOI. NUREG-1805, Chapter 9, 2004 NUREG-1824, Volume 3, 2007 SFPE Handbook, 4 th Edition, Chapter 2-1, Heskestad, 2008 NUREG/CR-6850, Appendix H - Damage Criteria, 2005 The correlation is used in the NUREG-1805 fire model, for which V&V was documented in NUREG-1824. The correlation is documented in an authoritative publication of the "SFPE Handbook of Fire Protection Engineering." The correlation is used within the limits of its range of applicability. NUREG/CR-6850 generic screening damage criteria is used, wh ich is considered conservative.
Ameren Missouri Callaway Plant NFPA 805 Transition Report August 2011 Page J-3 Attachment J - Table J-1 - V & V Basis for Fire Models / Model Correlations Used Calculation Application V & V Basis Discussion Radiant Heat Flux (Point Source Method) Calculates the horizontal separation distance, based on heat flux, to a target in order to determine the horizontal extent of the ZOI. NUREG-1805, Chapter 5. 2004 NUREG-1824, , Volume 4, 2007 SFPE Handbook, 4 th edition, Chapter 3-10, Beyler, C., 2008 NUREG/CR-6850, Appendix H - Damage Criteria, 2005 The correlation is used in the NUREG-1805 fire model, for which V&V was documented in NUREG-1824. The correlation is documented in an authoritative publication of the "SFPE Handbook of Fire Protection Engineering." The correlation is used within the limits of its range of applicability. NUREG/CR-6850 generic screening damage criteria is used, wh ich is considered conservative. Plume Radius (Method of Heskestad) Calculates the horizontal radius, based on temperature, of the plume at a given height. FIVE-Rev1, Referenced by EPRI Report 1002981, 2002 SFPE Handbook, 4 th Edition, Chapter 2-1, Heskestad, G., 2008 NUREG/CR-6850, Appendix H - Damage Criteria, 2005 The correlation is used in the FIVE-Rev1 fire model. The correlation is documented in an authoritative publication of the "SFPE Handbook of Fire Protection Engineering." NUREG/CR-6850 generic screening damage criteria is used, wh ich is considered conservative. Hot Gas Layer (Method of MQH) Calculates the hot gas layer temperature for a room with natural ventilation. NUREG-1805, Chapter 2, 2004 NUREG-1824, Volume 3, 2007 SFPE Handbook, 4 th Edition, Chapter 3-6, Walton W. and Thomas, P.,
2008 The correlation is used in the NUREG-1805 fire model, for which V&V was documented in NUREG-1824. The correlation is documented in an authoritative publication of the "SFPE Handbook of Fire Protection Engineering." The correlation is used within the limits of its range of applicability.
Ameren Missouri Callaway Plant NFPA 805 Transition Report August 2011 Page J-4 Attachment J - Table J-1 - V & V Basis for Fire Models / Model Correlations Used Calculation Application V & V Basis Discussion Hot Gas Layer (Method of Beyler) Calculates the hot gas layer temperature for a closed compartment with no ventilation. NUREG-1805, Chapter 2, 2004 NUREG-1824, Volume 3, 2007 SFPE Handbook, 4 th Edition, Chapter 3-6, Walton W. and Thomas, P., 2008 The correlation is used in the NUREG-1805 fire model, for which V&V was documented in NUREG-1824. The correlation is documented in an authoritative publication of the "SFPE Handbook of Fire Protection Engineering." The correlation is used within the limits of its range of applicability. Hot Gas Layer (Method of Foote, Pagni, and Alvares
[FPA]) Calculates the hot gas layer temperature for a room with forced ventilation. NUREG-1805, Chapter 2, 2004 NUREG-1824, Volume 3, 2007 SFPE Handbook, 4 th Edition, Chapter 3-6, Walton W. and Thomas, P.,
2008 The correlation is used in the NUREG-1805 fire model, for which V&V was documented in NUREG-1824. The correlation is documented in an authoritative publication of the "SFPE Handbook of Fire Protection Engineering." The correlation is used within the limits of its range of applicability. Hot Gas Layer (Method of Deal and Beyler) Calculates the hot gas layer temperature for a room with forced ventilation. NUREG-1805, Chapter 2, 2004 NUREG-1824, Volume 3, 2007 SFPE Handbook, 4 th Edition, Chapter 3-6, Walton W. and Thomas, P., 2008 The correlation is used in the NUREG-1805 fire model, for which V&V was documented in NUREG-1824. The correlation is documented in an authoritative publication of the "SFPE Handbook of Fire Protection Engineering." The correlation is used within the limits of its range of applicability.
Ameren Missouri Callaway Plant NFPA 805 Transition Report August 2011 Page J-5 Attachment J - Table J-1 - V & V Basis for Fire Models / Model Correlations Used Calculation Application V & V Basis Discussion Ceiling Jet Temperature (Method of Alpert) Calculates the horizontal separation distance, based on temperature at the ceiling of a room, to a target in order to determine the horizontal extent of the ZOI. FIVE-Rev1, Referenced by EPRI Report 1002981, 2002 NUREG-1824, Volume 4, 2007 SFPE Handbook, 4 th Edition, Chapter 2-2, Alpert, R., 2008 NUREG/CR-6850, Appendix H - Damage Criteria, 2005 The correlation is used in the FIVE-Rev1 fire model, for which V&V was documented in NUREG-1824. The correlation is documented in an authoritative publication of the "SFPE Handbook of Fire Protection Engineering." The correlation is used within the limits of its range of applicability. NUREG/CR-6850 generic screening damage criteria is used, wh ich is considered conservative. Hot Gas Layer Calculations using Fire Dynamics Simulator (Version 5)
Used to calculate the hot gas layer temperatures for various compartments, and the layer height. FDS Version 5 NIST Special Publication 1018-5, Volume 2:
"Verification" NIST Special Publication 1018-5, Volume 3:
"Validation" NUREG-1824, Volume 7, 2007 V&V of the FDS is documented in NIST Special Publication 1018-5. The V&V of FDS specifically for Nuclear Power Plant applications has also been documented in NUREG-1824. It was concluded that FDS models the hot gas layer height, temperature and smoke concentration in an appropriate manner.
Furthermore, the predictions of HGL height and temperature are deemed to be within the bounds of experimental uncertainty.
Ameren Missouri Callaway Plant NFPA 805 Transition Report August 2011 Page J-6 Attachment J - Table J-1 - V & V Basis for Fire Models / Model Correlations Used Calculation Application V & V Basis Discussion Sprinkler Actuation Calculation using Fire Dynamics Simulator (Version 5)
Used to estimate sprinkler actuation timing based on ceiling jet temperature, velocity, and thermal response of sprinkler. FDS Version 5 NIST Special Publication 1018-5, Volume 2:
"Verification" NIST Special Publication 1018-5, Volume 3: "Validation" NUREG-1824, Volume 7, 2007 V&V of the FDS is documented in NIST Special Publication 1018-5. The V&V of FDS (for ceiling jet temperature) specifically for Nuclear Power Plant applications has also been documented in NUREG-1824. It was concluded that FDS models the ceiling jet temperature and sprinkler actuation in an appropriate manner. Furthermore, the predictions are deemed to be within the bounds of experimental uncertainty. Hot Gas Layer Calculations using CFAST (Version 6) Calculates the upper and lower layer temperatures for various compartments, the layer height, and smoke obscuration. NIST Special Publication 1086, 2008 CFAST Version 6 NUREG-1824, Volume 5, 2007 V&V of the CFAST code is documented in the NIST Special Publication 1086. The V&V of CFAST specifically for Nuclear Power Plant applications has also been documented in NUREG-1824. It was concluded that CFAST models the hot gas layer height, temperature and smoke concentration in an appropriate manner. Furthermore, the predictions of HGL height and temperature are deemed to be within the bounds of experimental uncertainty.
Ameren Missouri Callaway Plant NFPA 805 Transition Report August 2011 Page J-7 Attachment J - Table J-1 - V & V Basis for Fire Models / Model Correlations Used Calculation Application V & V Basis Discussion Smoke Detection Actuation Correlation (Method of Heskestad and Delichatsios) Alpert Ceiling Jet used to determine temperature and Heskestad and Delichatsios temperature to smoke density for smoke detection timing estimates. NUREG-1805, Chapter 11, 2004 NUREG-1824, Volume 4, 2007 SFPE Handbook, 4 th Edition, Chapter 4-1, Custer R., Meacham B., and Schifiliti, R., 2008 SFPE Handbook, 4 th Edition, Chapter 2-2, Alpert, R., 2008 The smoke detection correlation is used in the NUREG-1805 fire model. Alpert's ceiling jet correlation V&V is documented in NUREG-1824. The temperature to smoke density correlation is documented in an authoritative publication of the "SFPE Handbook of Fire Protection Engineering." The correlation is used within the limits of its range of applicability. Heat Detection Actuation Correlation Alpert Ceiling Jet used to determine temperature for heat detection timing estimates. NUREG-1805, Chapter 11, 2004 NFPA Handbook, 19 th Edition, Chapter 3-9, Budnick, E., Evans, D., and Nelson, H., 2003 The heat detection correlation is used in the NUREG-1805 fire model. The correlation is documented in an authoritative publication of the NFPA Fire Protection Handbook. The correlation is used within the limits of its range of applicability. Sprinkler Activation Correlation Used to estimate sprinkler actuation timing based on ceiling jet temperature, velocity, and thermal response of sprinkler. NUREG-1805, Chapter 10, 2004 NFPA Handbook, 19 th Edition, Chapter 3-9, Budnick, E., Evans, D., and Nelson, H., 2003 The sprinkler actuation correlation is used in the NUREG-1805 fire model. The correlation is documented in an authoritative publication of the NFPA Fire Protection Handbook. The correlation is used within the limits of its range of applicability.
Ameren Missouri Callaway Plant NFPA 805 Transition Report August 2011 Page J-8 Attachment J - Table J-1 - V & V Basis for Fire Models / Model Correlations Used Calculation Application V & V Basis Discussion Control Room Abandonment Calculation using CFAST Evaluates the time at which control room abandonment is necessary based on smoke obscuration and average HGL temperature. NIST Special Publication 1086, 2008 CFAST Version 6 NUREG-1824, Volume 6, 2007 NUREG/CR-6850, Appendix H - Damage Criteria, 2005 V&V of the CFAST code is documented in the NIST Special Publication 1086. The V&V of CFAST specifically for Nuclear Power Plant applications has also been documented in NUREG-1824. It was concluded that CFAST models the hot gas layer height, temperature and smoke concentration in an appropriate manner.
Furthermore, the predictions of HGL height and temperature are deemed to be within the bounds of experimental uncertainty. NUREG/CR-6850 generic screening damage criteria is used, wh ich is considered conservative.
Ameren Missouri Callaway Plant NFPA 805 Transition Report August 2011 Page J-9 Attachment J - Table J-1 - V & V Basis for Fire Models / Model Correlations Used Calculation Application V & V Basis Discussion Temperature Sensitive Equipment Hot Gas Layer Study Determine the upper and lower gas layer temperatures for various compartments, and the layer height, for use in assessing damage to temperature sensitive equipment. NIST Special Publication 1086, 2008 CFAST Version 6 NUREG-1824, Volume 6, 2007 NUREG/CR-6850, Appendix H - "Damage Criteria, 2005" V&V of the CFAST code is documented in the NIST Special Publication 1086. The V&V of CFAST specifically for Nuclear Power Plant applications has also been documented in NUREG-1824. It was concluded that CFAST models the hot gas layer height, temperature and smoke concentration in an appropriate manner. Furthermore, the predictions of HGL height and temperature are deemed to be within the bounds of experimental uncertainty. NUREG/CR-6850 generic screening damage criteria is used, wh ich is considered conservative. Temperature Sensitive Equipment Zone of Influence Study Determine the radiant heat flux ZOI at which temperature sensitive equipment will reach damage thresholds. FDS Version 5 NIST Special Publication 1018-5, Volume 2:
"Verification" NIST Special Publication 1018-5, Volume 3:
"Validation" NUREG-1824, Volume 7, 2007 NUREG/CR-6850, Appendix H - "Damage Criteria, 2005" V&V of the FDS is documented in the NIST Special Publication 1018-5. The V&V of FDS specifically for Nuclear Power Plant applications has also been documented in NUREG-1824. It was concluded that FDS models the radiant heat and gas temperature in an appropriate manner. Furthermore, the predictions radiant heat and temperature are deemed to be within the bounds of experimental uncertainty. NUREG/CR-6850 generic screening damage criteria is used, wh ich is considered conservative.
Ameren Missouri Callaway Plant NFPA 805 Transition Report August 2011 Page J-10 Attachment J - Table J-1 - V & V Basis for Fire Models / Model Correlations Used Calculation Application V & V Basis Discussion Plume/Hot Gas Layer Interaction Study Determine the point at which hot gas layer and plume interact and establish limits for plume temperature application. FDS Version 5 NIST Special Publication 1018-5, Volume 2:
"Verification" NIST Special Publication 1018-5, Volume 3:
"Validation" NUREG-1824, Volume 7, 2007 NUREG/CR-6850, Appendix H - "Damage Criteria, 2005" V&V of the FDS is documented in NIST Special Publication 1018-5. The V&V of FDS specifically for Nuclear Power Plant applications has also been documented in NUREG-1824. It was concluded that FDS models the hot gas layer height, temperature and smoke concentration in an appropriate manner. Furthermore, the predictions of HGL height and temperature are deemed to be within the bounds of experimental uncertainty. NUREG/CR-6850 generic screening damage criteria is used, wh ich is considered conservative. Corner and Wall HRR Determines a heat release rate adjustment factor for fires that are proximate to a wall or corner. IMC 0609, Appendix F, 2005 SFPE Handbook, 4 th Edition, Chapter 2-14, Lattimer, 2008 The correlation is recommended by IMC 0609 for fires near walls and corners. The correlation is documented in an authoritative publication of the "SFPE Handbook of Fire Protection Engineering." The correlation is used within the limits of its range of applicability.
Ameren Missouri Callaway Plant NFPA 805 Transition Report August 2011 Page J-11 Attachment J - Table J-1 - V & V Basis for Fire Models / Model Correlations Used Calculation Application V & V Basis Discussion Correlation for Heat Release Rates of Cables (Method of Lee) Used to correlate bench-scale data to heat release rates from cable tray fires. NUREG/CR-6850, Appendix R, 2005 SFPE Handbook, 4 th Edition, Chapter 3-1, Babrauskas, 2008 The correlation is recommended by NUREG/CR-6850. The correlation is documented in an authoritative publication of the "SFPE Handbook of Fire Protection Engineering." The correlation is used within the limits of its range of applicability. Correlation for Flame Spread over Horizontal Cable Trays (FLASH-CAT) Used to predict the growth and spread of a fire within a vertical stack of horizontal cable trays. NUREG/CR-7010, Section 9, 2010 NUREG/CR-6850, Appendix R, 2005 The correlation is recommended by NUREG/CR-7010 and follows guidance set forth in NUREG/CR-6850. The FLASH-CAT model is validated in NUREG/CR-7010, Section 9.2.3, through experimentally measured HRRs compared with the predictions of the FLASH-CAT model. The correlation is used within the limits of its range of applicability.
Table J-1
References:
- 1. NUREG/CR-6850, "EPRI/NRC-RES Fire PRA Methodology for Nuclear Power Facilities," U.S. Nuclear Regulatory Commission, Washing ton, DC, September 2005. 2. NUREG/CR-7010, "Cable Heat Release, Ignition, and Spread in Tray Installations During Fire (CHRISTIFIRE), Volume 1: Horizontal Trays", Draft Report for Comment, United States Nuclear Regulatory Commission, October, 2010. 3. "The SFPE Handbook of Fire Protection Engineering," 4 th Edition, P. J. DiNenno, Editor-in-Chief, National Fire Protection Association, Quincy, MA, 2008. 4. "The NFPA Fire Protection Handbook," 19 th Edition, A. E. Cote, Editor-in-Chief, National Fire Protection Association, Quincy, MA, 2003.
Ameren Missouri Callaway Plant NFPA 805 Transition Report August 2011 Page J-12 5. Peacock, R.D., Jones, W.W., Reneke, P.A., and Forney, G.P., "CFAST - Consolidated Model of Fire Growth and Smoke Transport (Version 6) User's Guide," NIST Special Publication 1041, National Institute of Standards and Technology, Gaithersburg, MD, December 200
- 5. 6. NIST Special Publication 1086, "CFAST - Consolidated Model of Fire Growth and Smoke Transport (Version 6) Software Development and Model Evaluation Guide", National Institute of Standards and Technology, Gaithersburg, MD, December 2008. 7. NIST Special Publication 1018-5, "Fire Dynamics Simulator (Version 5) Technical Reference Guide, Volume 2: Verification," National Institute of Standards and Technology, October 29, 2010 8. NIST Special Publication 1018-5, "Fire Dynamics Simulator (Version 5) Technical Reference Guide, Volume 3: Validation," National Institute of Standards and Technology, October 29, 2010 9. "Fire Modeling Guide for Nuclear Power Plant Applications," EPRI 1002981, FINAL REPORT, August 2002. 10. IMC 0609, Appendix F, "Fire Protection Significance Determination Process," Issue Date 02/28/05.