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} � <br /> � � '� IronRidge June 16, 2014 <br /> , Mr. David F. Taggart Page 9 of 11 <br /> IronRidge XR1000 Rai1, Roof Flush Mounting System— Structural Analysis <br /> Table 8-MAXIMUM SPANS (inches)- Roof Slope 28 to 45 Degrees-Wind Zone 2 <br /> XR1000 Wind <br /> Rail Speed Ground Snow Load <br /> Exposure mph 0 psf 10 psf 20 psf 30 psf 40 psf 50 psf 60 psf 70 psf 80 psf 90 psf <br /> 100 140 128 110 98 87 79 72 67 63 60 <br /> 105 140 128 110 98 87 79 72 67 63 60 <br /> 110 139 127 110 98 87 79 72 67 63 60 <br /> Category 120 132 123 107 96 87 79 72 67 63 60 <br /> B 130 124 119 104 94 86 79 72 67 63 60 <br /> 140 116 115 102 92 85 79 72 67 63 60 <br /> 150 109 109 99 90 83 78 72 67 63 60 <br /> 160 103 103 97 88 82 76 72 67 63 60 <br /> 170 98 98 94 86 80 75 71 67 63 60 <br /> 100 133 124 107 96 87 79 72 67 63 60 <br /> 105 129 121 106 95 87 79 72 67 63 60 <br /> 110 124 119 104 94 86 79 72 67 63 60 <br /> Category 120 115 114 101 92 84 79 72 67 63 60 <br /> C 130 107 107 98 89 83 77 72 67 63 60 <br /> 140 100 100 95 87 81 76 71 67 63 60 <br /> 150 94 94 92 85 79 74 70 67 63 60 <br /> 160 89 89 8g 82 77 72 69 65 63 60 <br /> 170 84 84 84 80 75 71 67 64 62 59 <br /> 100 125 120 105 94 86 79 72 67 63 60 <br /> 105 120 117 103 93 85 79 72 67 63 60 <br /> 110 115 115 101 92 84 79 72 67 63 60 <br /> Category 120 106 106 98 89 82 77 72 67 63 60 <br /> p 130 99 99 95 87 80 75 71 67 63 60 <br /> 140 93 93 91 84 78 74 70 66 63 60 <br /> 150 87 87 87 82 76 72 68 65 62 60 <br /> 160 82 82 82 79 74 70 67 64 61 59 <br /> 170 78 78 78 77 72 69 65 63 60 58 <br /> Notes—see page 11 <br /> Starling Madison Lofquist,Inc. Consulting Sttuctutal and Fotensic Engineets <br /> -9- <br />