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Example of seismic load calculation: <br />In doing a seismic load calculation, specify <br />Variables: <br />Seismic Zone (Table 16-I, 1997 UBC) 3 ; Z = 0.3 <br />Soil Profile type (Table 16-J, 1997 UBC) = Sp <br />Site Coefficient (Table 16-J, 1994 UBC) = 1.5 <br />Occupancy Importance Factor (Table 16-K, 1997 UBC) = I p = 1.25 <br />Coefficient a p (Table 16-0, 1997 UBC) = 1.0 <br />Component Factor R p (Table 16-0, 1997 UBC) = 3.0 <br />Distance to Known seismic source = >15 km <br />Seismic source type (Table 16-U, 1997 UBC) = A <br />Near Source Factor (Table 16-S, 1997 UBC) = Na = 1.0 <br />Seismic Coefficient (Table 16-Q, 1997 UBC) = C a = 0.36 <br />Specific Gravity of Liquid = 0.94 <br />Specific Gravity of Shell material= >> 1 <br />Poisson Ratio = µ = 0.6 <br />Tank Height = H = 52 inches (including feet) <br />Tank Length = L = 132 inches <br />Tank Width = W = 68 inches <br />Calculate the seismic load of the tank <br />W , = Weight of contents = (Specific gravity of liquid)(R)(H)(0.0361)(Tc) <br />Where SG= Specific Gravity <br />R= tank radius <br />engineering -environmental Management, Inc. (HDR I e2M) 1,000 Gal. Waste Oil Tank <br />