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Project Name:VVS - 829 N Garfield St Engineer:Elie Sayegh, PE <br />Project No.:127 Date: <br />Description:(E) Garage Roof Joists w/ Concetrated Mechanical Unit Load Beam ID No. 003 <br />Span:21.0 ft TRUE <br />9.0 ft <br />6 in ...P1 P2…6 in <br />2 x 4 DF No. 2 520.5 lbs <- reaction reaction -> 465.3 lbs 2 x 4 DF No. 2 <br />Studs Studs <br />Uniform Loads <br />U - Source D psf L psf LR psf tw xi xf ΣD ΣL ΣLR ΣTL <br />1 Flat Roof 11 0 20 1.33 ft 14.6 0.0 26.6 41.2 <br />2 Floor 20 40 0 0 ft 0.0 0.0 0.0 0.0 <br />3 Int. Wall 16 0 0 0 ft 0.0 0.0 0.0 0.0 <br />4 Ext. Wall 21 0 0 0 ft 0.0 0.0 0.0 0.0 <br />self weight 4 0 0 0 ft 0.0 0.0 0.0 0.0 <br />*Σ =14.63 plf 0 plf 26.6 plf 41 plf <br />Partial Uniform Loads <br />PU - Source D psf L psf LR psf tw xi xf ΣD ΣL ΣLR ΣTL <br />1 Roof 16 0 20 0 ft 0 ft 21 ft 0.0 0.0 0.0 0.0 <br />2 Floor 20 40 0 0 ft 0 ft 21 ft 0.0 0.0 0.0 0.0 <br />3 Int. Wall 16 0 0 0 ft 0 ft 21 ft 0.0 0.0 0.0 0.0 <br />4 Ext. Wall 21 0 0 0 ft 0 ft 21 ft 0.0 0.0 0.0 0.0 <br />5 Misc.0 0 0 0 ft 0 ft 21 ft 0.0 0.0 0.0 0.0 <br />6 Misc.0 0 0 0 ft 0 ft 21 ft 0.0 0.0 0.0 0.0 <br />Concetrated Loads <br />Source D psf L psf LR psf tw span @ x ΣD ΣL ΣLR ΣTL <br />P1 Mech Unit (160# & Pad 20#) - Span 3', half trib to joist. <br />1 Misc.180 0 0 1 ft 1 ft 5.67 ft 90.0 0.0 0.0 90.0 <br />2 Floor 20 40 0 1 ft 1 ft 5.67 ft 10.0 20.0 0.0 30.0 <br />3 Int. Wall 16 0 0 0 ft 1 ft 5.67 ft 0.0 0.0 0.0 0.0 <br />4 Ext. Wall 21 0 0 0 ft 1 ft 5.67 ft 0.0 0.0 0.0 0.0 <br />Σ =100 lbs 20 lbs 0 lbs 120 lbs <br />P2 Description if any <br />1 Roof 16 0 20 0 ft 0 ft 0 ft 0.0 0.0 0.0 0.0 <br />2 Floor 20 40 0 0 ft 0 ft 0 ft 0.0 0.0 0.0 0.0 <br />3 Int. Wall 16 0 0 0 ft 0 ft 0 ft 0.0 0.0 0.0 0.0 <br />4 Ext. Wall 21 0 0 0 ft 0 ft 0 ft 0.0 0.0 0.0 0.0 <br />Σ =0 lbs 0 lbs 0 lbs 0 lbs <br />Beam Sec.====>V.G. Sawn Lumber <br />Plies 1 DL TL <br />b (in)1.5 d (in)11.25 ρ (lb3)33 Left Reaction(lbs)227 521 <br />S (in3)31.6 Q (in3)23.7 w (plf)4 Right Reaction(lbs)181 465 <br />I (in3)178.0 E (psi)2E+06 Max Shear (lbs)214 486 <br />Area 16.9 EMIN (psi)580000 Max Moment (lbs-ft)1115 2626 <br />NDS Stress Factors <br />Cd Cr Ct Cm Cv Cf Cl Cfu Ci <br />1.25 1.15 1.00 1.00 1.00 1.00 1.00 1.00 1.00 <br />Shear fv 43.19 Fv 225 19% <br />Bending fb 995.81 Fb 1293.8 77%V <br />Bearing left 99.15 Fc 625 16% <br />Bearing right 88.63 Fc 625 14%M <br />Deflection Δ (DL)-0.31 L/480 -0.53 in 59% <br />Deflection Δ (LL)-0.43 L/360 -0.7 in 61%Δ <br />Deflection Δ (TL)-0.74 L/240 -1.05 in 70% <br />full span <br />2 x 12 DF No. 2 <br />DC <br />R <br /> <br />R <br />A <br />T <br />I <br />O <br />S <br />Elie Sayegh Structural Engineering, LLC | (714) 400-5584 | elie@eliesayegh.com <br />7/3/2024 <br />Gravity Beam Design <br />full span <br />full span <br />full span <br />full span <br />Compression Braced <br />Page 19 <br />HOLD- 829 N <br />Garfield St1/15/2025