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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 : 3A - HDR AT M.BED 4 <br />Loads(Downward+) <br />Beam Weight 4.7 plf from 0 ft to 2.25 ft <br />Exterior Wall: (15)(4) = (DL=60PLF) form 0 to 2.25 <br />Point load @ 1 : Load from beam 2 at Support 2(P1) <br />Reactions (D+Lr+L/Max. Load comb.) <br />Bearing Down Up <br />1 1339/1339 0 <br />2 1085/1086 0 <br />USE 4 x 6 <br />Critcal Shear = 1338 LB @0' 1.5xV/(F'v x A)= 0.46 <br />F'v = 225, A = 19.25 <br />Critcal Moment = 1306 LB-FT @1' M/(F'b x S)= 0.6 <br />F'b = 1462, S = 17.65 <br /> Critical Deflection for TL = -0.012 INCH @ 1 L/240 = 0.112" <br /> Critical Deflection for LL = -0.007 INCH @ 1 L/360 = 0.075" <br />1 2 <br />P1 <br />Moment <br />Shear <br />Deflection <br />2.25' <br />BEAM : 4 - RIDGE AT FAMILY ROOM <br />Loads(Downward+) <br />Beam Weight 15.4 plf from 0 ft to 14 ft <br />Rafter Vaulted: (13+20)(13.2) = (DL=172.2PLF; LLr=265PLF) form 0 to 14 <br />Reactions (D+Lr+L/Max. Load comb.) <br />Bearing Down Up <br />1 3116/3116 0 <br />2 3116/3116 0 <br />USE 6 x 12 <br />Critcal Shear = 3115 LB @0' 1.5xV/(F'v x A)= 0.34 <br />F'v = 212, A = 63.25 <br />Critcal Moment = 10905 LB-FT @7' M/(F'b x S)= 0.64 <br />F'b = 1688, S = 121.23 <br /> Critical Deflection for TL = -0.345 INCH @ 7 L/240 = 0.7" <br /> Critical Deflection for LL = -0.2 INCH @ 7 L/360 = 0.467" <br />1 2 <br />Moment <br />Shear <br />Deflection <br />14' <br />(DL=1016#, LLr=1263#) <br />Page 23 of 57 <br />1834 W Third St & <br />#2,33/21/2025