1. Engineering Design Issues for Essential Facilities and Shelters

2. Florida Emergency Operations Centers Design and Evaluation Criteria Danny Kilcollins, FPEM Planning Manager Division of Emergency Management

3. Features of a Survivable EOC

4. Minimum Hurricane Safety Criteria for Critical Facilities

5. ARC 4496 Hurricane Hazards Wind Storm Surge Flooding Rainfall Flooding Hazardous Materials

6. High Performance Design Criteria: DOE-STD- 1020

7. DOE-STD-1020 Natural Hazards Wind Flooding Earthquake

8. Hurricane Wind Design

9. DOE 1020 Wind Design

10. Return Period Years

11. ASCE 7-02

12. Florida Building Code – Basic Wind Speeds and Windborne Debris Impact Regions

13. Basic Wind Speed Conversions Equivalent Basic Wind Speeds Wind Speed Conversion 3-second gust, fastest-mile and 1-min. sustained velocities (mph) Wind Measurement Scale Hurricane Category 1 Hurricane Category 2 Hurricane Category 3 Hurricane Category 4 Hurricane Category 5 Extreme Hurricane Category 5 3-second Gust (ASCE 7 and 2004 Florida Building Code) 90117135160190230 Fastest Mile (Standard Building Code) 75100117141170209 1-minute Sustained (National Hurricane Center) 7496111131156188

14. 1,000-yr Return Period

15. 1,000-yr Recurrence Wind Speeds for Florida

16. Fla. PC 3 Wind Design Criteria

17. TORNADO EVENTS IN FLORIDA F0

18. 10,000-yr Return Period

19. 10,000-yr Recurrence Wind Speeds for Florida

20. Fla. PC 4 Wind Design Criteria

21. Probable Minimum Central Pressure Limit Estimate for Hurricanes

22. Probable Minimum Central Pressure Limit Estimate for Hurricanes; Source: K. Emanuel (1996)

23. Minimum Central Pressure to Wind Velocity Conversion Source: Hurricanes and Typhoons: Past, Present and Future; Landsea, etal 880 mb = 190 mph (232 mph, 3-sec gust) 885 mb = 185 mph (226 mph, 3-sec gust) 890 mb = 180 mph (220 mph, 3-sec gust) 900 mb = 170 mph (208 mph, 3-sec gust) 910 mb = 165 mph (202 mph, 3-sec gust)

24. Windborne Debris Impact Resistance Criteria

25. Representative Wind Design Criteria Applies to the EOC and essential ancillary structures and service equipment Wind Load Design per ASCE 7 Standard Minimum Design Wind Speed = 190 mph, 3- second gust Wind Importance Factor, I=1.00 Exposure Category = C Directionality Factor, K d =1.00 Internal Pressure Coefficient, GC pi = +/-0.18

26. Representative Wind Design Criteria The EOC designated as a threshold building, and special structural inspections required Special inspections conducted in compliance with section 553.79, Florida Statutes and other applicable statutes, laws and rules

27. Representative Wind Design Criteria Design Windborne Debris Missile = 15 lb 2x4 propelled at 50 mph (74 ft/sec) 34 lb-sec of momentum Design missile applies to all exterior enclosure components, claddings and assemblies (i.e., walls, roofs, louvers, windows, doors, etc.) Design missile applies to enclosure surfaces located within 60 feet in height above finish grade

28. Summary of Wind Storm Design Criteria

29. Comparison of Hurricane Wind Codes & Standards

30. Tornado Wind Design

31. FEMA 361 – Tornado Winds

32. FEMA 361 Wind Zones

33. TORNADO EVENTS IN FLORIDA F0

34. Flood & Rainfall Design

35. DOE 1020 Flood Criteria

36. NOAA HMR No. 51 and No. 52 Probable Maximum Precipitation Estimates

37. 24-hour PMP @ 10 sq.mi. Basin

38. 72-hour PMP @ 10 sq.mi. Basin

39. Max. Observed Point Rainfall Illustration Source: Unknown

40. Estimated 24-hour Rainfall Rates w/Recurrence Intervals Local Precipitation & Site Drainage Design (24 hr Rainfall, inches) - 12" @ 100-yr Basin Size, sq.mi.X 0 (100-yrs) 1 (500-yrs) 2 (2,000-yrs) 3 (10,000-yrs) 4 (100K-yrs)PMP 1l.t. 100-yr14.522.429.237.048.557.1 10 12.018.524.130.540.047.1 100 10.516.221.126.735.041.2 200 10.115.520.225.633.639.5 500 9.314.318.623.630.936.4 1,000 8.513.017.021.528.233.2 5,000 5.68.611.214.218.621.9 10,000 4.56.99.011.415.017.6 20,000 3.55.36.98.811.613.6

41. Conversion of 10 sq.mi. PMPs to 1 sq.mi. PMPs

42. 1-hour PMP @ 1 sq.mi. Basin

43. Estimated 1-hour Rainfall Rates w/Recurrence Intervals Local Precipitation & Roof Drainage Design (1 hr Rainfall, inches) Basin Size, sq.mi.X 0 (100-yrs) 1 (500-yrs) 2 (2,000-yrs) 3 (10,000-yrs) 4 (100K-yrs)PMP 1l.t. 4.304.36.08.011.016.519.4 10 3.544.956.609.0613.6016.00 100 2.493.484.646.379.5611.25 200 2.062.883.845.277.919.31 500 1.552.162.883.965.957.00 1,000 1.161.622.162.974.455.24 2,000 0.731.021.371.882.803.30 5,000 0.520.720.961.321.982.33 10,000 0.390.540.721.001.491.75 20,000 0.300.420.560.801.161.36

44. Summary of Flood Design Criteria Performance CategoryX 0 (100-yrs) 1 (500-yrs) 2 (2,000-yrs) 3 (10,000-yrs) 4 (100K-yrs) Flood Hazard Return Period, yrs l.t. 100g.e. 100g.e. 500g.e. 2,000g.e. 10,000g.e. 100,000 Design Reqm'ts Does not meet ASCE 24, FBC and ARC 4496 ASCE 24, FBC plus ARC 4496 ASCE 24, FBC Essential Facility plus ARC 4496ASCE 24 Minimum Design Floor Elevation Floor Elev. Below BFE BFE or DFE, whichever is greater BFE + 1.5 ft. or local DFE, whichever is greater BFE + 2.0 ft. or local DFE, whichever is greater BFE + 3.0 ft. or local DFE, whichever is greater BFE + 4.0 ft. or local DFE, whichever is greater Riverine Flooding FIRM Zone Shaded A, AE, AH or V FIRM Zone Shaded X; apply design precip event to basin

45. Summary of Flood Design Criteria Performance CategoryX 0 (100-yrs) 1 (500-yrs) 2 (2,000-yrs) 3 (10,000-yrs) 4 (100K-yrs) Flood Hazard Return Period, yrs l.t. 100g.e. 100g.e. 500g.e. 2,000g.e. 10,000g.e. 100,000 Local Precipitat ion/Site Drainage l.t.100-year, 1- day Precip Design g.e. 100-year, 1- day Precip Rate; apply design precip event to site ~ 22 inch, 1-day Precip Rate; apply design precip event to site ~ 29 inch, 1-day Precip Rate; apply design precip event to site ~ 37 inch, 1-day Precip Rate; apply design precip event to site ~ 48.5 inch, 1-day Precip Rate; apply design precip event to site Roof Design Drainage; ref: Figure 1106.1, FBC- Plumbing l.t.100-year, 1- hour rainfall rate; l.t. ~4.3 inchs/hr g.e.100-year, 1- hour rainfall rate; g.e. ~4.33 to 5.0 inchs/hrg.e. 6 inchs/hrg.e. 8 inchs/hrg.e. 11 inchs/hrg.e. 16.5 inchs/hr Storm Surge l.t. Cat. 5 minus 1.0 ft. elev. g.e. Cat 5 minus 1.0 ft. elev.g.e. Cat 5 elev. g.e. Cat 5 elev. plus 10% g.e. Cat 5 elev. plus 15% g.e. Cat 5 elev. plus 20%

46. Storm Surge Flooding SLOSH Storm Surge Model Category 5 inundation depth/elevation, NGVD Maximum Envelope of Water Margin of Error = +/- 20% Category 5 elev. + 20% = Probable Maximum Inundation

47. Storm Surge Flooding Fla. Performance Category 3 = Cat. 5 + 15% Fla. Performance Category 4 = Cat. 5 + 20% Performance suggested per county based on PC 4 (10,000-yr) Wind Map Design wind speeds at coast that are greater than or equal to 190 mph (3-sec. gust) = Cat. 5 + 20% Design wind speeds at coast that are less than 190 mph (3-sec. gust) = Cat. 5 + 15%

48. Representative Flood Design Criteria Applies to lowest floor for the EOC and essential ancillary structures and service equipment Finished Floor Elevation NGVD determined by: Category 5 storm surge elev. + 20% BFE + 3.0 feet 500-yr elevation + 2.0 feet Highest recorded flood elevation + 3.0 feet Whichever flood elevation is highest

49. Representative Flood Design Criteria The site (point maximum, one square mile) hydrologic design shall ensure that the EOC and essential ancillary structures and service equipment are not flooded due to a 24 hour, 37.0 inch rainfall event applied over a precedent 24 hour, 100-year rainfall event Opinion of design professional is acceptable Basin-wide analysis not required

50. Representative Flood Design Criteria Where secondary (emergency) roof drains or scuppers are required by the Florida Building Code—Plumbing, the secondary system shall be sized for a rainfall rate of eleven (11.0) inches per hour

51. Earthquake Design

53. Earthquake 10,000-yr Design Criteria for Florida

55. Anti-Terrorism Design

56. USAF Installation Force Protection Guide

57. Is Blast Hardening Req’d?

58. Minimum Anti-Terrorism Standards for Buildings

59. Design of Buildings to Resist Progressive Collapse

60. FEMA CPG 1-20 / May 1984

61. FEMA CPG 1-20 EOC Staff Size Estimate/ Community Size

65. Electrical Power Restoration

66. QUESTIONS??? http://floridadisaster.org/bpr/Response/engineers /index.htm