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Equipment Anchorage Per 2022 CBC (LRFD) <br />Unit Geometry <br />Unit Dimensions Unit Connections <br />h =45.8 in Nc =4.0 # of conn. <br />L1 =34.8 in Nsc =4.0 # of effective shear conn. <br />L2 =24.0 in Ntc =2.0 # of effective tension conn. <br />y =30.5 in COG or 2/3*h <br />Dimensions to Center of Gravity <br />x1 =19.1 in COG or Include 5% ecc. <br />x2 =13.2 in COG or Include 5% ecc. <br />Loads <br />W p =1050 lb Weight of equipment <br />Fph =0.316 *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 =332 lb Horizontal seismic force Ref. ASCE 7-16 §13.3.1 <br />Fpv =221 lb Vertical seismic force Ref. ASCE 7-16 §13.3.1 <br />Fwh =55 lb Horizontal wind force Ref. ASCE 7-16 Eq. 29.4-2 <br />Fwv =44 lb Vertical wind force Ref. ASCE 7-16 Eq. 29.4-3 <br />Shear <br />Vc =166 lb/conn = MAX(Ω0Fph/Nsc, Fwh/Nsc) <br />Tension <br />Twh =26.4 lb/conn = Fwh*(h/2)/MIN(L1, L2)/Ntc <br />Twv =10.9 lb/conn = Fwv/Nc <br />Tw =37.3 lb/conn = Twv + Twh <br />Tpv =66.7 lb/conn = Fpv*(MAX(x1, L1 - x1)/L1)*(MAX(x2, L2 - x2)/L2) <br />Tph1 =145.6 lb/conn = (Fph*y/L1)/Ntc <br />Tph2 =211.1 lb/conn = (Fph*y/L2)/Ntc <br />TE =488.8 lb/conn = Tpv + Ω0*MAX(Tph1, Tph2) <br />CD =212.6 lb/conn = W p*(MIN(x1, L1 - x1)/L1)*(MIN(x2, L2 - x2)/L2) <br />Tc =297.5 lb/conn = MAX(0, TE - 0.9*CD, Tw - 0.9*CD) <br />Notes: <br />1. Anchors in concrete must be designed in accordance with ACI 318. Ref. ASCE 7-16 §13.4.2 <br />PROJECT <br />PROJECT NO. <br />ITEM <br />McGuff TI <br />Anchorage ENGINEER <br />DATE <br />SHEET NO. <br />3/12/2025 <br />CL <br />S24-0254 <br /> BRANDOW & JOHNSTON STRUCTURAL & CIVIL ENGINEERS | LOS ANGELES NEWPORT BEACH