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wood. <br /> Seismic load variables: <br /> In doing a seismic load calculation, specify <br /> Variables: <br /> Site Class (Section 11.4.2, ASCE 7-16) = D <br /> Occupancy Importance Factor (Table 1.5-2, ASCE 7-16) = I p= 1.25 <br /> Site Design Response Acceleration (Section 11.4.5, ASCE 7-16) = SDs = 0.61 <br /> Damping for sloshing force (Section 15.7.2, ASCE 7-16) = 0.5% <br /> Distance to Known seismic source = >15 km <br /> Specific Gravity of Tank's Liquid = 1.1 <br /> Specific Gravity of Shell material= >> 1 <br /> Coefficient of Friction (HDPE on concrete surface) = µ = 0.61 <br /> Tank Height = H = 56.75 inches <br /> Tank Diameter = D = 43 inches <br /> Assessment Conclusions <br /> The waste antifreeze tank system has sufficient structural integrity; is acceptable <br /> for the transferring, storing, and treating of hazardous waste (waste antifreeze); <br /> and the tank and containment system are suitably designed to meet the <br /> requirements cited above (22 CCR §66265.192). <br /> Given an industry and manufacturer estimated 10-15-year service life and the <br /> subject tank history and condition, the tank system has an estimated remaining <br /> service life of at least 5 years. <br /> This assessment is valid for a maximum period of five (5) years in accordance <br /> with 22 CCR §66265.192(h). <br /> Wood Environment & Infrastructure Solutions, Inc. 275 Gal. Waste Antifreeze Tank <br />