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Equipment Anchorage Per ASCE 7-16 (ASD) <br />Unit Geometry <br />Unit Dimensions Unit Connections <br />h =24.0 in Nc =4.0 # of conn. <br />L1 =24.4 in Nsc =4.0 # of effective shear conn. <br />L2 =19.0 in Ntc =2.0 # of effective tension conn. <br />Dimensions to Center of Gravity <br />x1 =13.4 in COG or Include 5% ecc. <br />x2 =10.5 in COG or Include 5% ecc. <br />y =16.0 in COG or 2/3*h <br />Loads <br />W p =75 lb Weight of equipment <br />Fph =0.526 *Wp Horizontal seismic force coefficient Ref. ASCE 7-16 §13.3.1 <br />Fpv =0.210 *Wp Vertical seismic force coefficient Ref. ASCE 7-16 §13.3.1 <br />Fph =39 lb Horizontal seismic force Ref. ASCE 7-16 §13.3.1 <br />Fpv =16 lb Vertical seismic force Ref. ASCE 7-16 §13.3.1 <br />Fwh =163 lb Horizontal wind force Ref. ASCE 7-16 Eq. 29.4-2 <br />Fwv =102 lb Vertical wind force Ref. ASCE 7-16 Eq. 29.4-3 <br />Shear Demand (ASD) <br />Vc =24 lb/conn = MAX(0.7*Fph/Nsc, 0.6*Fwh/Nsc) <br />Tension Demand (ASD) <br />Twh =51 lb/conn = Fwh*(h/2)/MIN(L1, L2)/Ntc <br />Twv =25 lb/conn = Fwv/Nc <br />Tw =77 lb/conn = Twv + Twh <br />Tpv =5 lb/conn = Fpv*(MAX(x1, L1 - x1)/L1)*(MAX(x2, L2 - x2)/L2) <br />Tph1 =13 lb/conn = (Fph*y/L1)/Ntc <br />Tph2 =17 lb/conn = (Fph*y/L2)/Ntc <br />TE =21 lb/conn = Tpv + MAX(Tph1, Tph2) <br />CD =15 lb/conn = W p*(MIN(x1, L1 - x1)/L1)*(MIN(x2, L2 - x2)/L2) <br />Tc =37 lb/conn = MAX(0, 0.7*TE - 0.6*CD, 0.6*Tw - 0.6*CD) <br />PROJECT <br />PROJECT NO. <br />ITEM <br />McGuff TI <br />RTU Unit Anchorage ENGINEER <br />DATE <br />SHEET NO. <br />CL <br />S24-0254 <br /> BRANDOW & JOHNSTON STRUCTURAL & CIVIL ENGINEERS | LOS ANGELES NEWPORT BEACH <br />"TYPE 4 ANCHORAGE"