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Tank ID TD (1105326794)SII 275-gallon dual containment tank <br />Tank Weight Empty 0.25 Kips Dead Load <br />SG of Displaced Fluid 1.00 Water <br />SG of Tank Contents 1.1 Waste antifreeze <br />Height 56.75 inches (includes 4-inch high integrated pallet) <br />Diameter 43.00 inches <br />Tank Contents Volume 275 gallons <br />Density of Water 8.34 lbs/gal <br />Weight of Tank's Liquid Content 2.52 Kips SG x Water Desity x Tank Volume / 1000 <br />Total Weight Max = W 2.77 Kips Liquid + Dead Load <br />Seismic Force Determination Equation: V = 0.3 SDS I W 1.005 ASCE 7-16, Eq. 15.4-5 <br />SDS 0.61 Site Design Response Acceleration <br />I 1.25 Importance Factor <br />2.77 Total Weight Max <br />1.005 Damping for sloshing force <br />Seismic Force V =0.63 Kips Max Seimic Force <br />Buoyancy Check Buoyancy = SG x Water Density x Displaced Volume <br />Specific Gravity 1.00 <br />Density of Water 62.40 lbs/CF <br />Volume (assumes fully submerged)47.67 CF <br />Buoyancy Force upward 2.97 Kips <br />Resisting Empty Tank Weight 0.25 Kips <br />Anchoring Required Yes <br />Safety Factor 116%of requirement <br />Number of Anchors (1.6 Kips/anchor)2 <br />Overturn Moment Check <br />Seismic Force, Max 0.63 Kips <br />Moment Arm for Seismic 28.13 inches <br />Overturning Moment 17.78 K-in <br />Resisting Weight (Dead Load)0.25 Kips <br />Moment Arm Resisting 21.50 inches <br />Resisting Moment Weight Only 5.38 K-in <br />Points of Anchorage (1.6 Kips/anchor)1.6 <br />Moment Arm Resisting 43.00 inches <br />Resisting Moment via Anchors 137.6 K-in <br />Overturn Issues (M sei > M resist'g)No <br />Safety Factor 804%of requirement <br />Check Sliding Equation: F̝ = µW <br />Total Weight Max = W 2.77 Kips Liquid + Dead Load <br />Seismic Force, Max 0.63 Kips <br />Coefficient of Friction (µ)0.61 for HDPE base on concrete surface (Russ Engineering Group, Inc., 3/8/2000 <br />Force 1.69 Kips <br />Sliding Issues (F sei > F ̝)No <br />Safety Factor 4.39 <br />Recommendations <br />Installation is satisfactory