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IronRidge June 16,'20 i� <br /> Mr. David F. Taggart Page 6 of 11 <br /> IronRidge XR1000 Rail, Roof Flush Mounting System— Structural Analysis <br /> Table 5 - MAXIMUM SPANS (inches) - Roof Slope 7 to 27 Degrees -Wind Zone 2 <br /> XR1000 Wind Ground Snow Load <br /> Rail Speed <br /> Exposure mph 0 psf 10 psf 20 psf 30 psf 40 psf 50 psf 60 psf 70 psf 80 psf 90 psf <br /> 100 140 128 109 94 83 75 69 64 60 57 <br /> 105 134 128 109 94 83 75 69 64 60 57 <br /> 110 128 128 109 94 83 75 69 64 60 57 <br /> 120 118 118 109 94 83 75 69 64 60 57 <br /> Category 130 109 109 109 94 83 75 69 64 60 57 <br /> B 140 102 102 102 94 83 75 69 64 60 57 <br /> 150 96 96 96 94 83 75 69 64 60 57 <br /> 160 90 90 90 90 83 75 69 64 60 57 <br /> 170 85 85 85 85 83 75 69 64 60 57 <br /> 100 120 120 109 94 83 75 69 64 60 57 <br /> 105 114 114 109 94 83 75 69 64 60 57 <br /> 110 109 109 109 94 83 75 69 64 60 57 <br /> 120 101 101 101 94 83 75 69 64 60 57 <br /> Category 130 93 93 93 93 83 75 69 64 60 57 <br /> C 140 87 87 87 87 83 75 69 64 60 57 <br /> 150 81 81 81 81 81 75 69 64 60 57 <br /> 160 77 77 77 77 77 75 69 64 60 57 <br /> 170 72 72 72 72 72 72 69 64 60 57 <br /> 100 110 110 109 94 83 75 69 64 60 57 <br /> 105 105 105 105 94 83 75 69 64 60 57 <br /> 110 101 101 101 94 83 75 69 64 60 57 <br /> 120 93 93 93 93 83 75 69 64 60 57 <br /> Category 130 86 86 86 86 83 75 69 64 60 57 <br /> � 140 80 80 80 80 80 75 69 64 60 57 <br /> 150 75 75 75 75 75 75 69 64 60 57 <br /> 160 71 71 71 71 71 71 69 64 60 57 <br /> 170 67 67 67 67 67 67 67 64 60 57 <br /> Notes—see page 11 <br /> Starling Madison Lofquist, Inc. Consulting Structural and Forensic Engineers <br /> - 6 - <br />