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Job #: 240051 <br />Date : 07/17/2024 <br />Plan : 1 <br />Dong Engineering Inc. <br />NEW MAIN HOUSE & JADU <br />1834 W.3RD ST, UNIT 2, SANTA ANA, CA 92703 <br />BEAM : 21 - CLG AT ENTRANCE <br />Loads(Downward+) <br />Beam Weight 6.2 plf from 0 ft to 8.25 ft <br />Roof Rafter: (11+20)(2) = (DL=22PLF; LLr=40PLF) form 0 to 8.25 <br />Ceiling Joist DL: (4)(1.3) = (DL=5.3PLF) form 0 to 8.25 <br />Reactions (D+Lr+L/Max. Load comb.) <br />Bearing Down Up <br />1 303/303 0 <br />2 303/303 0 <br />USE 4 x 8 <br />Critcal Shear = 303 LB @0' 1.5xV/(F'v x A)= 0.08 <br />F'v = 225, A = 25.38 <br />Critcal Moment = 625 LB-FT @4' M/(F'b x S)= 0.16 <br />F'b = 1462, S = 30.66 <br /> Critical Deflection for TL = -0.043 INCH @ 4 L/240 = 0.412" <br /> Critical Deflection for LL = -0.023 INCH @ 4 L/360 = 0.275" <br />1 2 <br />Moment <br />Shear <br />Deflection <br />8.25' <br />BEAM : C1 - C.J. 2X6#2 @ 16" O.C. TYP. (MAX L=15'-0") <br />Loads(Downward+) <br />Ceiling Joist: (4+10)(1.3) = (DL=5.3PLF; LLr=13.4PLF) form 0 to 15 <br />Reactions (D+Lr+L/Max. Load comb.) <br />Bearing Down Up <br />1 140/140 0 <br />2 140/140 0 <br />USE 2 x 6 <br />Critcal Shear = 140 LB @0' 1.5xV/(F'v x A)= 0.11 <br />F'v = 225, A = 8.25 <br />Critcal Moment = 525 LB-FT @7.5' M/(F'b x S)= 0.49 <br />F'b = 1682, S = 7.56 <br /> Critical Deflection for TL = -0.64 INCH @ 7.5 L/240 = 0.75" <br /> Critical Deflection for LL = -0.457 INCH @ 7.5 L/360 = 0.5" <br />1 2 <br />Moment <br />Shear <br />Deflection <br />15' <br />Page 34 of 57 <br />1834 W Third St & <br />#2,33/21/2025