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Chapter 17:Shelters <br /> Shelter Assessment Procedures and Design Standards for New Shelters <br /> Type B Shelter Type A Shelter Shelter with an EHPA Essential Facility with <br /> COOP <br /> Structural capacity expressed in peak gust wind speeds calculated at the strength level <br /> [i.e., Vx 4(L.F. x1) = Vx�(1.6 x1.15)] <br /> Strength Capacity>108 Strength Capacity>130 Strength Capacity>156 Strength Capacity>190 <br /> mph peak gust mph peak gust mph peak gust mph peak gust <br /> Main Wind Force Resisting System Load Criteria for LRFD Evaluation by Method 2 Analytical Procedure, <br /> ASCE 7-05 <br /> 80 minimum peak gust 95 minimum mph peak 115 minimum mph peak 140 mph or greater peak <br /> basic wind speed V gust basic wind speed V gust basic wind speed V gust basic wind speed V <br /> Load factor of 1.6 Load factor of 1.6 Load factor of 1.6 Load factor of 1.6 <br /> Importance Factor I of Importance Factor I of Importance Factor I of Importance Factor I of <br /> 1.15 1.15 1.15 1.15 <br /> On Oahu,Exposure, On Oahu,Exposure, On Oahu,Exposure, Directionality of 1.0 <br /> Directionality and Directionality and Directionality and On Oahu,Exposure,and <br /> Topographic factors per Topographic factors per Topographic factors per Topographic factors per <br /> Honolulu Building Code; Honolulu Building Code; Honolulu Building Code; Honolulu Building Code; <br /> otherwise per ASCE 7-05 otherwise per ASCE 7- otherwise per ASCE 7- otherwise per ASCE 7-05 <br /> Gust Effect Factor of 0.85 05 05 <br /> may be used Gust Effect Factor of Gust Effect Factor of Gust Effect Factor of 0.85 <br /> Evaluate Design for 0.85 may be used 0.85 may be used may be used <br /> interior pressure Evaluate Design for Evaluate Design for Evaluate Design for <br /> interior pressure interior pressure interior pressure <br /> Wall and Glazing Windborne Debris Resistance Criteria <br /> Walls and Glazing to Walls and Glazing must Walls and Glazing must Walls and Glazing must <br /> resist ASTM E1996-05 resist ASTM E1996-05 resist ASTM E1996-05 resist ASTM E1996-05 <br /> Level A Level C Level D Level E <br /> 2g steel balls at 130 fps 4.5 lb.2 X 4 @ 40 fps 9 lb. 2 X 4 4,50 fps(34 9 lb.2 X 4(�80 fps(55 <br /> (90 mph) (27 mph) mph) mph) <br /> Positive and Negative Positive and Negative Positive and Negative Positive and Negative <br /> Pressure shall be Pressure shall be Pressure shall be Pressure shall be <br /> determined for the bldg determined for the bldg determined for the bldg determined for the bldg <br /> enclosure glazing and enclosure glazing and enclosure glazing and enclosure glazing and door <br /> door elements door elements door elements elements <br /> Shelter Type B Shelter Type A Enhanced Hurricane Essential Facilities <br /> Protection Area necessary for COG and <br /> Shelter COOP <br /> provides structural provides structural provides capacity for provides capacity for 190 <br /> capacity for 108 mph capacity for 130 mph 155 mph(upper mph(upper Category 4 <br /> (upper Category 1 (upper Category 2 Category 3 hurricanes) hurricanes) <br /> hurricanes) hurricanes) <br /> 17-7 Hawaii County Multi-Hazard Mitigation Plan <br />