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/l I RON RI DGE 28357 Industrial Blvd <br /> Hayward, CA 94545 <br /> 1-800-227-9523 <br /> IronRidge.com <br /> The recorded test observations along with the analytical results are presented in Tables 1 through 3 for FRA <br /> South Tilt Kit Assembly, FRA North Tilt Kit Assembly, and FRA L-Foot Assembly, respectively. <br /> Table 1 IronRidge FRA South Tilt Kit Assembly Allowable Capacities Ill <br /> Specimen <br /> Nominal Resistance <br /> Deviation of Test Nominal Resistance Allowable Capacity <br /> Load Direction (Z) per Load Tests (4) (s) Critical Failure Mode(') Safety Factor(') <br /> Quantity (Ibs)(') Results per Analysis (lbs) (lbs) <br /> Uplift Load <br /> Perpendicular to Roof 5 4722 4% Top angle rupture the interface where it is 1.95 2421 <br /> Surface bolted to the bottom angle. <br /> Compression Load <br /> Perpendicular to Roof 5 3489 16% Bottom angle rupture along the edge of bolt 1.95 1789 <br /> hole at its base. <br /> Surface <br /> Lateral Load Parallel Yielding occurr to the base of the bottom <br /> to Roof Surface 5 1014 8% angle. 1.65 615 <br /> Downslope <br /> Lateral Load Parallel <br /> to Roof Surface 381 Bottom angle rupture along the edge of bolt 1.95 195 <br /> hole at its base. <br /> Across Slope <br /> Table 2 IronRidge FRA North Tilt Kit Assembly Allowable Capacities(1) <br /> Nominal Nominal <br /> Specimen Deviation of Test Allowable <br /> Load Direction (2) Resistance per (4) Resistance per Critical Failure Mode(6) Safety Factor(') <br /> Quantity Load Tests(Ibs)(3) Results Analysis (Ibs)(5) Capacity(Ibs) <br /> Uplift Load <br /> Perpendicular to 5 7160 3% U foot rupture the bottom along its 1.95 3672 <br /> P center line. <br /> Roof Surface <br /> Compression Load <br /> Perpendicular to - - - 9120 Bearing failure of the bolt holes on U-Foot 2.0 4560 <br /> Roof Surface vertical legs. <br /> Lateral Load Parallel <br /> to Roof Surface 5 3007 6% U foot rupture the bottom along its 1.95 1542 <br /> center line. <br /> Downslope <br /> Note to Table 2:The entirety of cross-slope lateral load is taken by South Tilt Kit due to its high lateral stiffness compared to the North Tilt Kit. <br /> Please refer to Table 1 for South Kit cross-slope capacity. <br /> Table 3 IronRidge FRA L-Foot Assembly Allowable Capacities Il) <br /> Nominal Resistance Nominal Resistance <br /> Specimen Deviation of Test Allowable <br /> Load Direction (2) per Load Tests (4) per Analysis (Ibs) Critical Failure Mode(c) Safety Factor(') <br /> Quantity Results(Ibs)(3) (5) Capacity(lbs) <br /> Uplift Load Head of the 3/8"bolt,which connect L <br /> Perpendicular to 5 5290 12% - foot to FRA base,rupture. 2.0 2645 <br /> Roof Surface <br /> Compression Load <br /> Perpendicular to - - - 8407 Vertical leg of L foot rupture at the bottom of 1.95 4311 <br /> p the vertical slot. <br /> Roof Surface <br /> Lateral Load Parallel <br /> to Roof Surface - - - 652 Yielding occur to the root of the L foot. 1.65 395 <br /> Downslope <br /> Lateral Load Parallel <br /> to Roof Surface 5 1579 10% _ L-Foot rupture at bottom of vertical slot on 1.95 810 <br /> Across Slope loaded half of vertical leg. <br /> ©2018 IronRidge, Inc. Flat Roof Attachment Certification Letter-2 <br />