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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, UNIT2, SANTA ANA, CA 92703 <br />BEAM : 2A - CLG AT M.BATH <br />Loads(Downward+) <br />Beam Weight 10.1 plf from 0 ft to 13 ft <br />Roof Rafter: (11+20)(4.2) = (DL=46.8PLF; LLr=85PLF) form 0 to 13 <br />Ceiling Joist DL: (4)(6.5) = (DL=26PLF) form 0 to 13 <br />Point load @ 1.5 : Load from beam 2 at Support 1(P1) <br />Reactions (D+Lr+L/Max. Load comb.) <br />Bearing Down Up <br />1 3036/3036 0 <br />2 1325/1324 0 <br />USE 6 x 8 <br />Critcal Shear = 3036 LB @0' 1.5xV/(F'v x A)= 0.52 <br />F'v = 212, A = 41.25 <br />Critcal Moment = 5339 LB-FT @5' M/(F'b x S)= 0.73 <br />F'b = 1688, S = 51.56 <br /> Critical Deflection for TL = -0.538 INCH @ 6.25 L/240 = 0.65" <br /> Critical Deflection for LL = -0.276 INCH @ 6.25 L/360 = 0.433" <br />1 2 <br />P1 <br />Moment <br />Shear <br />Deflection <br />13' <br />BEAM : 3 - HDR AT M.BATH <br />Loads(Downward+) <br />Beam Weight 4.7 plf from 0 ft to 2.25 ft <br />Roof Rafter: (11+20)(3.8) = (DL=41.2PLF; LLr=75PLF) form 1.25 to 2.25 <br />Ceiling Joist DL: (4)(5.5) = (DL=22PLF) form 1.25 to 2.25 <br />Exterior Wall: (15)(2) = (DL=30PLF) form 0 to 2.25 <br />Point load @ 1.25 : Load from beam 2A at Support 2(P1) <br />Reactions (D+Lr+L/Max. Load comb.) <br />Bearing Down Up <br />1 672/672 0 <br />2 899/899 0 <br />USE 4 x 6 <br />Critcal Shear = -898 LB @2.25' 1.5xV/(F'v x A)= 0.31 <br />F'v = 225, A = 19.25 <br />Critcal Moment = 812 LB-FT @1.25' M/(F'b x S)= 0.37 <br />F'b = 1462, S = 17.65 <br /> Critical Deflection for TL = -0.007 INCH @ 1 L/240 = 0.112" <br /> Critical Deflection for LL = -0.004 INCH @ 1 L/360 = 0.075" <br />1 2 <br />P1 <br />Moment <br />Shear <br />Deflection <br />2.25' <br />(DL=1016#, LLr=1263#) <br />(DL=656#, LLr=669#) <br />Page 22 of 57 <br />1834 W Third St & <br />#2,33/21/2025