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Dong Engineering Inc. NEW MAIN HOUSE & ADU 1834 W.3RD ST, SANTA ANA, CA 92703 Job #: 240051 Date : 01/07/2025 Plan : 1 BEAM : 14 - FL AT JADU KITCHEN Loads(Downward+) Beam Weight 11.9 plf from 0 ft to 9.75 ft Deck Primary: (13+60)(5.5) = (DL=71.5PLF; LLr=330PLF) form 2 to 9.75 Exterior Wall: (15)(9) = (DL=135PLF) form 2 to 9.75 Rafter Vaulted: (13+20)(8.8) = (DL=113.8PLF; LLr=175PLF) form 2 to 9.75 Floor Primary: (13+40)(1.2) = (DL=16.2PLF; LL=50PLF) form 11.75 to 9.75 Reactions (D+Lr+L/Max. Load comb.) Bearing Down Up 1 2599/2211 0 2 3912/3322 0 USE 3 1/2" x 11 7/8" LSL Critcal Shear = -3094 LB @9.75' 1.5xV/(F'v x A)= 0.36 F'v = 310, A = 41.56 Critcal Moment = 7229 LB-FT @5' M/(F'b x S)= 0.45 F'b = 2325, S = 82.26 Critical Deflection for TL = -0.171 INCH @ 5 L/240 = 0.488" Critical Deflection for LL = -0.091 INCH @ 5 L/360 = 0.325" 1 2 Moment Shear Deflection 9.75' BEAM : 15 - FL AT JADU LIVING Loads(Downward+) Beam Weight 11.9 plf from 0 ft to 13.5 ft Roof Primary: (15+20)(2.5) = (DL=37.5PLF; LLr=50PLF) form 0 to 13.5 Exterior Wall: (15)(3.5) = (DL=52.5PLF) form 2.75 to 13.5 Exterior Wall: (15)(11) = (DL=165PLF) form 0 to 2.75 Point load @ 2.75 : Load from beam 14 at Support 1(P1) Point load from Panel P2(Left) of Line 1 at @ 2.75(P2*) Reactions (D+Lr+L/Max. Load comb.) Bearing Down Up Overstrength 1 3373/6049 0 6049 2 1586/2080 0 2080 USE 3 1/2" x 11 7/8" LSL Design with the seismic load effect with overstrength (Omega = 2.5) Critcal Shear = 6048 LB @0' 1.5xV/(F'v x A)= 0.44 F'v = 496, A = 41.56 Critcal Moment = 15711 LB-FT @2.75' M/(F'b x S)= 0.61 F'b = 3720, S = 82.26 Critical Deflection for TL = -0.402 INCH @ 6.23 L/240 = 0.675" Critical Deflection for LL = -0.217 INCH @ 6.23 L/360 = 0.45" 1 2 P1P2* Moment Shear Deflection 13.5' Page 31 of 57 1834 W Third St & #2,33/21/2025