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Dong Engineering Inc. <br />ADU <br />1602 W BROOK ST UNIT 2, SANTA ANA, CA 92703 <br />Job #: 240190 <br />Date : 05/14/2024 <br />Plan : 1 <br />BEAM : 3 - HEADER AT KITCHEN <br />Loads(Downward+) <br />Beam Weight 6.2 plf from 0 ft to 5.25 ft <br />Exterior Wall: (15)(2) = (DL=30PLF) form 0 to 5.25 <br />Roof Primary: (15+20)(1.5) = (DL=22.5PLF; LLr=30PLF) form 0 to 5.25 <br />Point load @ 3.5 : Load from beam 1 at Support 1(P1) <br />Reactions (D+Lr+L/Max. Load comb.) <br />Bearing Down Up <br />1 672/673 0 <br />2 1113/1113 0 <br />USE 4 x 8 <br />Critcal Shear = -1112 LB @5.25' 1.5xV/(F'v x A)= 0.29 <br />F'v = 225, A = 25.38 <br />Critcal Moment = 1811 LB-FT @3.5' M/(F'b x S)= 0.48 <br />F'b = 1462, S = 30.66 <br /> Critical Deflection for TL = -0.04 INCH @ 2.75 L/240 = 0.262" <br /> Critical Deflection for LL = -0.021 INCH @ 2.75 L/360 = 0.175" <br />1 2 <br />P1 <br />Moment <br />Shear <br />Deflection <br />5.25' <br />BEAM : 4 - CLG AT BED#1 <br />Loads(Downward+) <br />Beam Weight 10.1 plf from 0 ft to 11 ft <br />Roof Primary: (15+20)(10) = (DL=150PLF; LLr=200PLF) form 0 to 11 <br />Reactions (D+Lr+L/Max. Load comb.) <br />Bearing Down Up <br />1 1981/1981 0 <br />2 1981/1981 0 <br />USE 6 x 8 <br />Critcal Shear = 1980 LB @0' 1.5xV/(F'v x A)= 0.34 <br />F'v = 212, A = 41.25 <br />Critcal Moment = 5446 LB-FT @5.5' M/(F'b x S)= 0.75 <br />F'b = 1688, S = 51.56 <br /> Critical Deflection for TL = -0.383 INCH @ 5.5 L/240 = 0.55" <br /> Critical Deflection for LL = -0.213 INCH @ 5.5 L/360 = 0.367" <br />1 2 <br />Moment <br />Shear <br />Deflection <br />11' <br />23 of 26