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8-11-20 ROBERPJAMES&ASSOCIATES,Inc. Sht 3 of 4 <br /> Stress Area: (in.2 ir.MntBltDia 2 MntBItArea:= MntBltArea=0.11 <br /> Based on basic pitch diameter perAISC 4-3 4 <br /> Allowable Tension: (lbs.) AllwTen:= 2.0000-MntBltArea AllwTen=2209 <br /> Allowable Shear: (lbs.) AllwShr:= 10000.MntBItArea AllwShr= 1104 <br /> Number of Mounting Bolts in Tension per Letter Set: NoTen:= 2 <br /> Minimum Distance Between Mounting Bolts in.) LvrAnn:= 14.0 <br /> Tension Load per Mounting Bolt: (lbs. TeriMntBIt:= (ShrTot).(5.0+ 0.375) TenMntBlt=42.91 <br /> NoTen-LvrArm <br /> Number of Mounting Bolts in Shear per Letter Set: NoShr:= 6 <br /> Shear Load per Mounting Bolt: (lbs.) ShrMntBlt:= ShrTot ShrMntBlt=37.255 <br /> NoShr <br /> Unity Check: UCMntBIt:= TenMntBlt ShrMntBlt UCMntBlt=0.053 < 1.00 OK <br /> Mounting Bolts AllwTen + --AllwShr <br /> Note: Use 3/8"diameter 18-8 Stainless Steel bolt,with spacers thru EIFS,as listed: <br /> Expansion bolts in concrete or brick walls.. <br /> Toggle bolts in hollow concrete block or plywood sheathing. <br /> TEK screws in metal studs. <br /> Lag bolts in wood studs. <br /> All thread bolts with blocking between studs without sheathing. <br /> Design Loads for the LetterA! <br /> Dead Load: <br /> Based on 6.5 lbs./8.2: ShrDL:= (2.17-2.29).6.5 ShrDL=32.3 lbs. <br /> Wind load: <br /> 5"Deep Channel Letter ShrWL:= + 0.375 WLShrWL 86.286 lbs. <br /> (Plus 3/8"spacer.) �(2.17-2.33)•(5.0 <br /> 12 <br /> Snow Load: <br /> All Exposed Surfaces: ShrSL:= ( 1 2.29-1.33).(5'.0+20,375 SL ShrSL 0 lbs. <br /> 1 <br /> Combined Shear: <br /> Summation: (lbs.) shrLtr:=A(ShrDL+ ShrWQ 2+ (ShrSL+ ShrWL)2] ShrLtr= 146.655 <br /> Design of Mounting Bolts for the Letter'R <br /> Mounting Bolt Diameter: (in.) MntBltDia:= 0.375 <br />