Laserfiche WebLink
= 13.6 ft2 x 24 ft x 7.48 gal/ft3 <br /> = 2,441 gal <br /> Assuming thefootings take up 1% of the total volume of the containment, another 88 gallons. The <br /> total AST 12 containment = containment capacity— displacement capacity <br /> = 13,733 gallons—2,441 gallons— 88 gallons <br /> = 11,204 gallons <br /> Additionally,fuel within the tankwould reach a level of equilibrium with the height of the secondary <br /> containment and 2,441 gallons would be left in the tank. Fuel within the AST would remain within <br /> the AST and the remainder within the containment space. <br /> = 11,204 gallons + 2441 gallons <br /> = 13,645 gallons <br /> The 25-year/24-hour precipitation frequency is mapped at 2.75 inches(0.23 ft) <br /> Capacity required including rainfall = feet of rainfall x length of berm x width of berm x Civ <br /> = 0.23 ft x 30 ft x 12 ft x 7.48 galtft3 <br /> = 620 gallons <br /> Total capacity + precipitation = 12,620 gallons <br /> Total capacity = 13,645 gallons > 12,620 gallons (100% largest tank volume + 25-year/24-hour <br /> rainfall) <br /> The 12.000-gallon secondary containment berm capacity is sufficient to contain a spill of 100% of <br /> the AST plus the 25-year/24-hour precipitation rate (2.75 inches)for Stockton. California. <br /> Warehouse 1 Containment Capacity—Lamest Volume—275 gallons <br /> The Warehouse 1 floor surface is engineered to direct surface flow towards the center of the <br /> storage space, until cleanup can occur. The floor footprint (150 ft X 80 ft) and the wall edge (0.5 <br /> ft high) make up the containment for any spill from the 275-gallon totes and 55-gallon drums <br /> stored within Warehouse 1. The Warehouse 1 containment volume is approximately: <br /> Warehouse 1 = wall length x wall width x wall height x Civ <br /> = 150 ft x 80 ft x 0.5 ft x 7.48 gal//ft3 <br /> = 44,880 gallons > 275 gallons <br /> The interior Warehouse 1 wall capacity is sufficient to contain a spill of 100% of the largest tote <br /> (275 gallons) in this area. Precipitation rates are not required for calculations due to the <br /> warehouse being covered and not exposed to rainfall. <br /> Warehouse 2 Containment Capacity—Lamest Volume—275 gallons <br /> The Warehouse 1 floor surface is engineered to direct surface flow towards the center of the <br /> storage space, until cleanup can occur. The floor footprint (80 ft X 60 ft) and the wall edge (0.5 ft <br /> high)make up the containment for any spill from the 275-gallon totes <br />