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• • RECEIVED <br /> OCT 15 2013 <br /> ENVIRONMENTAL <br /> Seismic Load Calculation (based upon 2013 CBC and ASCE Std 7-05) HEALTH DEPARTMENT <br /> Design Conditions — Summary <br /> Seismic: <br /> Importance (1) 1.25 <br /> OCC Category 111 <br /> Mapped Response (SS) 0.769 <br /> Mapped Response (S1) 0.274 <br /> Site Class D <br /> Spectral Response (SDS) 0.611 <br /> Spectral Response (SD1) 0.338 <br /> Design Category D <br /> Base Shear (Ibs) 0.23 Wp <br /> Response Coef (CS) N/A <br /> Modification Fact & 2.5 <br /> Analysis Procedure 15.7 Tanks and Vessels <br /> Tank & Contents <br /> Specific Gravity of Liquid 0.8 <br /> Tank Capacity 120 gal. <br /> Weight of Tank (Empty) 450 <br /> Tank Height 37" <br /> Tank Width 35" <br /> Seismic Loads <br /> Liquid Wt.= 120 gal x 1 cu. Ft./7.48 gal x 62.4 Ib./cu. Ft. x .9 <br /> = 900 Ib. <br /> Tank Wt. = 450 Ib. <br /> Total Wt. = 1351 Ib. <br /> Overturning <br /> Mot = Y2Ht. x wt. x .23 <br /> = %2 37" x 1351 lb. x .23 <br /> = 5749 in.lb. <br /> Mr = %2wxwt. <br /> = '/2 35° x 1351 <br /> = 23642 in.lb. <br /> Fs = Mot/Mr <br /> = 23642/5749 <br /> =4.1 — No Overturning <br /> Lodi Unified School District Used Antifreeze Tank Assessment <br />