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Steamboat North Concrete Plant <br />GL 851 <br />SPCC Plan <br />112.7 (al(31(il <br />The main oil storage at the facility is adouble-walled 12,000-gallon AST (AST 1) that is <br />made with a split cell design. One cell contains 8,000-gallons of diesel fuel and the other <br />cell contains 4,000-gallons of off-road diesel fuel (red). Fuel is delivered to the facility <br />via a fuel delivery contractor using tanker trucks. Drum storage includes four 55-gallon <br />drums of oils. In addition, there are thirteen concrete mixer trucks with fuel cells ranging <br />from 56 to 80 gallons and two loaders with fuel cells capacity of 100 gallons. <br />There is no other oil storage at the time of this plan, but in the future amounts may <br />fluctuate due to the number of drums stored on-site. <br />112.7 (a)(3)(iil <br />The Steamboat North Concrete Plant uses several measures to prevent storm-water runoff <br />or spills and other pollution from reaching the navigable waters of the United States. <br />Those measures include both structural and non-structural controls. <br />Cleanup materials and supplies shall be kept stocked and shall be located neaz all oil- <br />storage and handling areas. At least one person, whether a Lafarge attendant or a <br />delivery contractor, shall be continuously present during all fueling and oil-transfer <br />operations. Oil-storage tanks shall be checked routinely to establish the volumes of <br />materials in storage at the facility. <br />The liquid level in each tank shall be measured prior to filling to ensure that there is <br />sufficient capacity in the tank for the planned oil delivery; use adirect-vision gauge or its <br />equivalent (e.g., a dipstick) to estimate the volume of fuel. All piping connections shall <br />be properly secured and inspected before transfer pumps are turned on. Drivers shall <br />conduct visual inspections before departure; the inspections shall include a close <br />examination of the lowermost drain and all outlets to ensure that caps aze tight and <br />properly adjusted, and that they will prevent liquid discharges while in transit. <br />Fuels and oils shall be poured or pumped carefully to prevent spilling and over-filling. <br />Employees shall visually inspect the area following all fueling and oil-transfer activities. <br />Lafazge employees shall promptly clean up drips and small spills. <br />112.7 (al(31(iiil <br />The loading rack described above is provided with adequate secondary containment to <br />contain the largest compartment of any tank truck utilized in the facility. The unloading / <br />loading area drains to a catchment area (detention) that is shown on the facility diagram. <br />112.7(a)(31(ivl <br />The facility's countermeasures for discovery ofa discharge will enswe rapid discovery of <br />leaks or spills. They are based on awareness training, inspections, and site security. <br />The facility's countermeasures for response to a discharge are designed to ensure rapid <br />and appropriate responses to leaks or spills and that the health and safety of employees <br />10 <br />