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Custom Design 5 <br /> 2602 Cleveland Ave <br /> • Structural Calculations <br /> Check existing deck over entry: <br /> -deck covered by overhang,no snow load <br /> -Use typical live load of 40 psf <br /> -Deck supported by 4 built up corbels <br /> -Corbels 16"tall w/bottom connection 2"from bottom and top connecion 5"from top <br /> 15.5 <br /> Wdeck — = 1.292 Length of deck extension(ft) <br /> 12 <br /> sc:_ —19 = 6.333 Corbel spacing(ft) <br /> 3 <br /> pc := 40•(Wdeck•sc) = 327 Max load to each corbel(lbs) <br /> pc• <br /> 8 <br /> � = 291 Max tension on upper timberlocks into wall(lbs) <br /> 16- 2 - 5 <br /> Corbels attached to house framing with(3)timberlock lag screws(OK for 940 lbs shear, 1300 lbs <br /> tension each) <br /> -Total shear load per corbel:327 lbs«2,820 lbs timberlock capacity. <br /> -Total tension at top of corbel:291 lbs«2,600 lbs timberlock capacity <br /> Check wood screw shear and tension capacity: <br /> w10:= 100.1.5= 150 #10 deck screw withd-awal load for 1.5"penetration <br /> depth(lbs) <br /> z 10:= 101 #10 deck screw desig:i shear strength(lbs) <br /> pc•8 <br /> Ts _ 218 Max tension load to#10 deck screws(lbs) <br /> 16- 2 - 2 <br /> Wood screws OK under current configuration: <br /> -Total shear:327 lbs<404 lbs(4 screws per connection) <br /> -Total tension:218 lbs<300 lbs(2 screws) <br /> Therefore:Existing deck and corbel configuration adequiate for standa d deck loads <br /> By:J. Conner, PE, SE _ Cleveland Ave Structural <br /> / / 11/11/2019 <br />