Laserfiche WebLink
' IronRidge June 16, 2014 <br /> Mr. David F. Taggart Page 3 of 11 <br /> IronRidge XR1000 Rail, Roof Flush Mounting System— Structural Analysis <br /> Table 2- MAXIMUM SPANS (inches)- Roof Slope 0 to 6 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 /> 100 143 138 116 109 97 88 80 75 70 66 <br /> 105 136 136 116 109 97 88 80 75 70 66 <br /> 110 130 130 116 109 97 88 80 75 70 66 <br /> Category 120 119 119 116 109 97 88 80 75 70 66 <br /> B 130 110 110 110 109 97 88 80 75 70 66 <br /> 140 102 102 102 102 97 88 80 75 70 66 <br /> 150 95 95 95 95 95 88 80 75 70 66 <br /> 160 89 89 89 89 89 88 80 75 70 66 <br /> 170 84 84 84 84 84 84 80 75 70 66 <br /> 100 121 121 116 109 97 88 80 75 70 66 <br /> 105 115 115 115 109 97 88 80 75 70 66 <br /> 110 110 110 110 109 97 88 80 75 70 66 <br /> 120 101 101 101 101 97 88 80 75 70 66 <br /> Category 130 93 93 93 93 93 88 80 75 70 66 <br /> C <br /> 140 86 86 86 86 86 86 80 75 70 66 <br /> 150 81 81 81 81 81 81 80 75 70 66 <br /> 160 76 76 76 76 76 76 76 75 70 66 <br /> 170 71 71 71 71 71 71 71 71 70 66 <br /> 100 111 111 111 109 97 88 80 75 70 57 <br /> 105 106 106 106 106 97 88 80 75 70 66 <br /> 110 101 101 101 101 97 88 80 75 70 66 <br /> 120 92 92 92 92 92 88 80 75 70 66 <br /> Category 130 85 85 85 85 85 85 80 75 70 66 <br /> D <br /> 140 79 79 79 79 79 79 79 75 70 66 <br /> 150 74 74 74 74 74 74 74 74 70 66 <br /> 160 70 70 70 70 70 70 70 70 70 66 <br /> 170 65 65 65 65 65 65 65 65 65 65 <br /> Notes—see page 11 <br /> Starling Madison Lofquist,Inc. Consulting Sttuctural and Forensic Engineers <br /> -3- <br />