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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 : 4A - CLG AT HALLWAY <br />Loads(Downward+) <br />Beam Weight 19.5 plf from 0 ft to 18.25 ft <br />Roof Primary: (15+20)(13.2) = (DL=198.8PLF; LLr=265PLF) form 0 to 18.25 <br />Reactions (D+Lr+L/Max. Load comb.) <br />Bearing Down Up <br />1 4233/4232 0 <br />2 4233/4232 0 <br />USE 5 1/4" x 11 7/8" PSL <br />Critcal Shear = 4232 LB @0' 1.5xV/(F'v x A)= 0.28 <br />F'v = 362, A = 62.34 <br />Critcal Moment = 19308 LB-FT @9.12' M/(F'b x S)= 0.52 <br />F'b = 3625, S = 123.39 <br /> Critical Deflection for TL = -0.79 INCH @ 9.13 L/240 = 0.912" <br /> Critical Deflection for LL = -0.418 INCH @ 9.13 L/360 = 0.608" <br />1 2 <br />Moment <br />Shear <br />Deflection <br />18.25' <br />BEAM : 4B - CLG AT STAIR <br />Loads(Downward+) <br />Beam Weight 15.2 plf from 0 ft to 14.25 ft <br />Interior Wall: (10)(0~5) = (DL=0~50PLF) form 0 to 14.25 <br />Point load @ 13 : Load from beam 4 at Support 2(P1) <br />Point load @ 13 : Load from beam 4A at Support 1(P2) <br />Reactions (D+Lr+L/Max. Load comb.) <br />Bearing Down Up <br />1 873/873 0 <br />2 7062/7061 0 <br />USE 5 1/4" x 9 1/4" PSL <br />Critcal Shear = -7061 LB @14.25' 1.5xV/(F'v x A)= 0.6 <br />F'v = 362, A = 48.56 <br />Critcal Moment = 8777 LB-FT @13' M/(F'b x S)= 0.39 <br />F'b = 3625, S = 74.87 <br /> Critical Deflection for TL = -0.339 INCH @ 7.92 L/240 = 0.712" <br /> Critical Deflection for LL = -0.158 INCH @ 7.92 L/360 = 0.475" <br />1 2 <br />P1P2 <br />Moment <br />Shear <br />Deflection <br />14.25' <br />(DL=1314#, LLr=1802#) <br />(DL=1992#, LLr=2241#) <br />Page 24 of 57 <br />1834 W Third St & <br />#2,33/21/2025