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A rupture or leakage of the primary containment of the ASTs in the <br /> Generator Yard Facility would be captured by the secondary <br /> containment system of the ASTs described in Table 3-1. Rupture <br /> or leakage of the secondary containment would flow onto the <br /> concrete pad below the ASTs and be contained by a curb that is <br /> installed around each tank. <br /> Rupture or leaking of the fuel lines primary containment would be <br /> contained by fuel pipe secondary containment system. <br /> In the unlikely event that the volume of spilled diesel fuel exceeds <br /> the tank containment measures described and there is rupture or <br /> leaking of fuel pipe secondary containment, spilled product on the <br /> east side of the generator yard would flow south to the asphalt <br /> driveway to a stonn water drain inlet. This drainage inlet connects <br /> to the stonn water discharge system of CHCF-Stockton, which <br /> flows and discharges to the facility's detention basin where any <br /> spilled product would be captured and retained on site. Any <br /> product that reaches the stonn water detention basin could be <br /> cleaned up from the basin. <br /> Diesel fuel that escaped the tank and piping secondary containment <br /> on the east side of the generator yard would flow onto the concrete <br /> pad below the ASTs, then flow northwest to the asphalt driveway <br /> behind the Central Utility Plant and then into a swale which <br /> connects to an agricultural ditch on the north side of the generator <br /> yard. <br /> Generator Yard <br /> The generators have 6 engine enclosure/containments. <br /> In the event of rapture or leak the enclosure/containments will <br /> capture the motor oil lost release. <br /> Vehicle Sallyport <br /> The Vehicle Sallyport area has a 132-gallon diesel AST. A spill <br /> event could be caused by the rupture or leaking of the AST (Figure <br /> 4). <br /> A rupture or leakage of the primary containment of the AST in the <br /> Vehicle Sallyport area would be captured by the secondary <br /> containment system of the AST. Rupture or leakage of the <br /> secondary containment would flow onto the concrete pad below <br /> the AST, then flow southeast to the asphalt roadway to a storm <br /> water drain inlet. This drainage inlet connects to the storm water <br /> drainage system of CHCF-Stockton, which flows and discharges to <br /> the facility's detention basin where any spilled product would be <br /> captured and retained on site. Any product that reaches the stone <br /> water detention basin could be cleaned up from the basin. <br /> Water Plant Fire Purnp <br /> 8411599 Page 7 <br />