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William S. Seekler Civil Engineer <br /> CA Lie. No. 24044 <br /> LKQ, Inc. <br /> 2041 Navy Dr. <br /> Stockton, CA 95206 <br /> This report evaluates the stability against earthquake loads for two identical <br /> horizontal tanks, oval in cross section, each set in its own containment tub at the subject <br /> address. <br /> The global co-ordinates for the location are 37 degrees, 56 minutes and 14.9 seconds <br /> North and 121 degrees, 19 minutes and 04 seconds West. The corresponding Ss is 0.893 <br /> and S 1 is 0. 308 <br /> The two tanks are approximately 5 feet in length, 2.3 feet across, and 3.7 feet in <br /> vertical dimension, 2 inches off, the ground, and sitting on four legs each, within their <br /> respective containment tubs. Weight is estimated at 2,720 lbs. per tank. Calculated <br /> lateral force by present code is 434 lbs. per tank. <br /> The tanks can be held in place by means of cargo straps rated for at least 1300 lbs. <br /> tension capacity, passing through a metal loop attached with similar capacity to the top of <br /> the tanks. These straps can suffice, if they are placed such that they .point to corners of an <br /> equilateral triangle, i.e. at 120-degree angles in plan view. <br /> The recommended arrangement, with the tanks placed side-by-side, is to place anchor <br /> points between and beyond the ends of the tanks, connecting to the tanks at <br /> approximately 30 degree angles to the Iong axes of the tanks. Two straps are to be <br /> attached to each of these anchor points. Two more anchor points are to be placed centered <br /> on, and at right angles to the tanks. These are each to be connected to their respective <br /> nearer tank. The full arrangement consists of six straps connected to four anchors. <br /> The outer ends of these straps are to be anchored into the slab by 3/8-inch diameter <br /> threaded rods (stainless steel recommended to forestall corrosion), embedded into <br /> concrete at least 3-1/2 inches and set with either Hilti HIT HY-150 or Simpson Strong- <br /> Tie SET epoxy. <br /> The configuration presented in this report can be considered adequate. <br /> Calculations for this analysis and report were done by "service load", or "allowable <br /> stress" design. <br /> ��,flFE55�„N <br /> Ila 24044 m m <br /> sf4 crv�L `P <br /> rF or <br /> December 2018 Page 1 <br />