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(N) 4x8 or 4x10 Sister Joist Deflection and Strength Check <br />Point Load <br />Note: Worst Case, Longest Span, Smallest Member, Largest Load <br />Load Case 8: 1.0D + 0.7Ev + 0.7Emh <br />4x8 4x10 <br />Joist width, b =3.500 3.500 in <br />Joist depth, d =7.25 9.25 in <br />Joist Span, Ln =4.00 17.00 ft <br />Section Modulus, Sx =30.66 49.91 in3 <br />Moment of Inertia, Ix =111.15 230.84 in4 <br />Allow. Bending stress, Fb <br />+ =1000 psi DF No. 1 <br />Allow. Bending stress, Fb <br />- =1000 psi <br />Allow. Shear stress, Fv =180 psi <br />Modulus of Elasticity, E =1700000 psi <br />CD =1.6 NDS Table 2.3.2 <br />CM =1.0 NDS Table 11.3.3 <br />Ct =1.0 NDS Table 11.3.4 <br />CL =1.0 NDS 3.3.3 <br />Cfu =1.0 NDS 4.3.7 <br />Ci =1.0 NDS 4.3.8 <br />Cr =1.0 NDS 4.3.9 <br />4x8 4x10 <br />CF =1.3 1.2 NDS 4.3.6 <br />All other adjustment factors are 1.0 <br />Hp-1 Hp-2/3 <br />Max Load from Unit = 3987 1348 lbs ASD Compression <br />Self Weight of Joist = 5.64 7.19 plf <br /> Line Load from Unit, wu =1002 86 plf Along Entire Joist <br />Ultimate Pos Moment, Mu <br />+ <br /> =2005 3124 lb-ft <br />Ultimate Shear, Vu = 2005 735 lb <br />Ultimate bending stress, fb <br />+785 751 psi <br />Ultimate Shear Stress, fv 118 34 psi <br />Allow. Bending stress, Fb <br />+' =2080 1920 psi <br />Allow. Bending stress, Fb <br />-' =2080 1920 psi <br />Allow. Shear stress, Fv' =374 374 psi <br />Ultimate Def. Capacity, δ =0.20 0.85 in <br />Live Load Only Def. Capacity, δL =0.13 0.57 in <br />Ultimate deflection, Δ 0.03 0.41 in <br />Positive Flexure DCR =0.38 0.39 <br />Shear DCR =0.32 0.09 <br />Ultimate Deflection DCR =0.15 0.49 <br />6101 Centinela Ave. <br />248034.00-CENT <br />16 June 2024 <br />TSW <br />JTMCHECKED BY <br />SHEET NO. <br />PROJECT NO. <br />CLIENT <br />DATE <br />SUBJECT <br />BYSCE Building C <br />Equipment Anchorage Calculations - HVAC UNIT <br />238143-BLDC <br />01 October 2024 <br />TSW <br />MEP <br />- - <br />Page 38 of 43 <br />1327 S Grand Ave <br />12/12/2024