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1. Lateral Loads Calculation for Equipment (2025 CBC) <br />1.1 Earthquake Load <br />Latitude =33.7711 Longitude =-117.8512 <br />Soil Site Class =D <br />Seismic Use Group =II <br />From Spectrum Data: (from output of Seismic Design Parameters) <br />SS =1.51 g SMS =1.79 g SDS = 2/3 SMS =1.193 g <br />S1 =0.500 g SM1 =1.200 g SD1 = 2/3 SM1 =0.800 g <br />Seismic Design Category =D <br /> =1.0 (ASCE 7, 12.3.4.1) <br />Seismic Design Force :(for Nonstructural Components) <br />Rpo =1.5 CAR =1.0 (ASCE 7, Table 13.6-1) <br />Ip =1.0 z/h =0.0 Ru =1.0 <br />Supercharger_Cabinet_V4 Wp =2,420 lbs <br />Fp = [0.4 SDS Ip Wp ((1+2.5(z/h) / Ru) (CAR/Rpo)(ASCE 7, 13.3-1) <br />=770.1 lbs <br />Fp,MAX = 1.6 SDS Ip Wp Fp,MIN = 0.3 SDS Ip Wp <br />=4,620.6 lbs =866.4 lbs <br />Therefore Fp =866 lbs <br />Switchboard Wp =7,500 lbs <br />Fp = [0.4 SDS Ip Wp ((1+2.5(z/h) / Ru) (CAR/Rpo)(ASCE 7, 13.3-1) <br />=2,386.7 lbs <br />Fp,MAX = 1.6 SDS Ip Wp Fp,MIN = 0.3 SDS Ip Wp <br />=14,320.0 lbs =2685.0 lbs <br />Therefore Fp =2,685 lbs <br />Light Pole Wp =150 lbs <br />Fp = [0.4 SDS Ip Wp ((1+2.5(z/h) / Ru) (CAR/Rpo)(ASCE 7, 13.3-1) <br />=47.7 lbs <br />Fp,MAX = 1.6 SDS Ip Wp Fp,MIN = 0.3 SDS Ip Wp <br />=286.4 lbs =53.7 lbs <br />Therefore Fp =54 lbs <br />7