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Secondary Containment Assessment Page C: <br />The secondary containment calculations provided for on this page are for secondary containment <br />systems that utilize a vaulted system (set below the grade of the earth's surface) for <br />containment. <br />Overhead view: <br />T <br />North <br />Include all measurements. Does not need to be to scale <br />Cross sectional (lateral) view: <br />Facing <br />N E S W <br />Include all measurements. Does not need to be to scale <br />Volume calculation(s) 66264.193(e)(2)(A & B) <br />Aggregate volume of all tanks located in this area: <br />When calculating tank volumes, be sure to include all ancillary equipment <br />and piping affiliated with the tank and/or tank system <br />(a)10% of aggregate volume: <br />(b) Volume of largest tank with the boundary: <br />(c) Volume from a 24 hour, 25 -year storm: <br />http://www.nws. noaa.gov/oh/hdsc/On-line reports/ <br />(d) Calculated volume of the area: <br />[Larger of (a) or (b)] + [Containment area * (c)] must be < (d) <br />Company Name Tank/Tank System identification <br />