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Seismic Load Increase Check <br />Seismic Design Parameters <br />Site Class D (Default)Risk Cat.II <br />Ss 1.68 3 <br />S1 0.592 e (Table 1.5-2)1 <br />SDS (Equation 11.4-3)1.12 Fa (Table 11.4-1) 1 <br />SD1 (Equation 11.4-4)0.592 v (Table 11.4-2)1.5 <br />Cs (Equation 12.8-2)0.373 <br />Seismic Design Category D <br />Seismic Weight - No Panels <br />Roof Self Weight, psf 8 <br />Roof Area, ft2 3126 <br />Wall Dead Load, psf 8 <br />Wall Height (estimated), ft 20 <br />Roof Perimeter, ft 120 ft <br />Seismic Weight 12.9 kips <br />Panel Seismic Weight <br />Panel Weight 3 psf <br /># of Panels 15 <br />Panel Area 315.3 ft^2 <br />Seismic Weight Increase 0.4 kips <br />% increase 3% <br />Result <br />The purpose of this calculation is to verify that seismic weight - and therefore seismic force, and <br />therefore total lateral load - is not increased by more than 10%. Therefore, per provisions in the <br />adopted building codes, the structure need not be altered for lateral loading. <br />Seismic weight is not increased by more than 10%, and so <br />structure need not be altered for lateral loading. <br />5402 W Lehnhardt <br />Ave11/25/2024