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AAw I RON RI DGE 28357 Industrial Blvd <br /> Hayward, CA 94545 <br /> 1-800-227-9523 <br /> IronRidge.com <br /> Notes: <br /> (1) The allowable capacities presented are associated with the loading conditions for the respective assembly depicted in Figures 1 through 3. <br /> (2) The quantity recorded represents the number of completed Instron tests and does not apply to the analytical method. <br /> (3) The nominal resistance is the average of the recorded peak loads for the respective load direction and does not apply to the analytical method. <br /> (4)Deviation of the test results reflects the highest or the lowest test value from the group mean for the particular load direction and does not apply to <br /> the analytical method. <br /> (5)Nominal resistance is the lowest nominal capacity among the different failure modes. The capacity is calculated following the equations prescribed by <br /> the specific structural code as shown on Page 1. <br /> (6)For the mechanical load testing, the documented critical failure mode is the observed result of the test specimen. For analytical method, the critical <br /> failure mode is associated with the condition which produces the least capacity of the assembly. <br /> (7)Safety Factor is associated with the respective failure modes determined by the specific code as shown on Page 1. <br /> Uplift/Compression Uplift/Compression <br /> Lateral (Down Slope) <br /> Lateral (Across Slope) <br /> kLalerawn Slope) <br /> Figure 2:North Tilt Kit <br /> Jill, Uplift/Compression <br /> Figure 1:South Tilt Kit <br /> Lateral (Down Slope) <br /> Lateral(Across Slope) <br /> Figure 3:L-Foot <br /> �Qp�lG X gF <br /> Date: <br /> Sincerely, � tiZ <br /> No.65" m 2018.11 .19 <br /> w <br /> 09:06:47 -08'00' <br /> q <br /> Gang Xuan, SE <br /> Senior Structural Engineer <br /> ©2018 IronRidge, Inc. Flat Roof Attachment Certification Letter-3 <br />