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STRUCTURAL DETAILS: Roof Load Calculation <br />Module Weight (lbs) 72 <br /># of Modules 64 <br />Total Module Weight (lbs) 4680 <br />Rack Weight (lbs) 487.5 <br />Total System Weight (lbs) 5167.5 <br /># of Standoffs 70 <br />Max Spans between Standoffs (in) 96 <br />Loading per Standoff (lbs) 73.82 <br />Total Area (sq. ft.) 1608.75 <br />Loading (PSF) 3.21 <br />1.IRONRIDGE XR100 RAIL RACKING SYSTEM WITH INTEGRATED <br />GROUNDING <br />2.IRONRIDGE L FEET &3 INCH PRO SOLAR POSTS <br />3.Racking loading calculations were performed for ASCE 7-16 wind speeds @ <br />110 mph for B wind exposure category and ASCE 7-22 Seismic Design Category <br />E. <br />Roof attachment hardware to be mounted to existing structure 2x6” 24" O.C. rail <br />spans at 96“O.C. or less <br />4.1” 5/16” LAGS INTO SOLID JOIST W/ 3'' EMBED INTO JOIST <br />5.Roof sheathed with 3/4” plywood and upper surface is faced with felt paper. <br />6.Mounts or/and mounting hardware will be sealed with CHEM LINK E- <br />CURBS <br />7.” Roofing Materials: TPO & Torch Down <br />SEALANT/ ADHESIVE <br />Co <br />r <br />e <br /> <br />I <br />n <br />v <br />e <br />s <br />t <br />m <br />e <br />n <br />t <br />s <br /> <br />16 <br />0 <br />0 <br /> <br />N <br /> <br />B <br />r <br />o <br />a <br />d <br />w <br />a <br />y <br /> <br />Sa <br />n <br />t <br />a <br /> <br />A <br />n <br />a <br />, <br /> <br />C <br />A <br /> <br />9 <br />2 <br />7 <br />0 <br />6 <br /> <br />Of <br />f <br />i <br />c <br />e <br /> <br />B <br />u <br />i <br />l <br />d <br />i <br />n <br />g <br />/ <br />C <br />o <br />m <br />m <br />e <br />r <br />c <br />i <br />a <br />l <br /> <br />Co <br />n <br />t <br />r <br />a <br />c <br />t <br />o <br />r <br /> / De <br />s <br />i <br />g <br />n <br />e <br />r <br /> <br />Os <br /> <br />E <br />l <br />e <br />c <br />t <br />r <br />i <br />c <br /> <br />G <br />r <br />o <br />u <br />p <br /> <br />I <br />n <br />c <br />. <br /> <br /> <br />61 <br />9 <br />-94 <br />2 <br />-46 <br />6 <br />8 <br />89 <br />1 <br />0 <br /> <br />U <br />n <br />i <br />v <br />e <br />r <br />s <br />i <br />t <br />y <br /> <br />L <br />n <br /> <br />S <br />a <br />n <br /> <br />D <br />i <br />e <br />g <br />o <br />, <br /> <br />C <br />A <br />CA <br /> <br />C <br />-10 <br /> <br />L <br />i <br />c <br />e <br />n <br />s <br />e <br /> <br /># <br /> 11 <br />3 <br />3 <br />2 <br />9 <br />0 <br />Dr <br />a <br />f <br />t <br />e <br />d <br /> <br />/ <br /> <br />A <br />p <br />p <br />r <br />o <br />v <br />e <br />d <br /> <br /> <br />Os <br />c <br />a <br />r <br /> <br />V <br />e <br />r <br />g <br />a <br />r <br />a <br /> <br />Os <br /> <br />E <br />l <br />e <br />c <br />t <br />r <br />i <br />c <br /> <br />PV-04 <br />EXP. 03/31/28 <br />This item has been digitally signed <br />and sealed on Apr 08, 2026STRUCTURAL ONLY