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STORMWATER MANAGEMENT PLAN (SWMP) <br />AND EROSION AND SEDIMENT CONTROL REPORT <br />FOR <br />ST. VRAIN LAKE GRADING IMPROVEMENT PLANS <br />Page 14 <br />enclosure, container, or dike located around the perimeter of the <br />storage area to prevent discharge of these materials in runoff from <br />the construction site. These barriers will also function to contain <br />spilled materials from contact with surface runoff. <br />• Measures to prevent spills, or leaks of fuel, gear oil, lubricants, <br />antifreeze, and other fluids from construction vehicles and heavy <br />equipment shall be considered to protect groundwater and runoff <br />quality. All equipment maintenance shall be pertormed in a <br />designated area and measures, such as drip pans, used to contain <br />petroleum products. Spills of construction-related materials, such <br />as paints, solvents, or other fluids and chemicals, shall be cleaned <br />up immediately and disposed of properly. <br />• Concrete trucks and other concrete coated equipment shall be <br />cleaned only in properly bermed, designated washout areas. <br />• Hazardous materials and wastes shall be stored in covered, leak- <br />proof containers. <br />• When fueling must take place onsite, designate an area away from <br />drainage courses to be used. Dedicated fueling areas shall be <br />protected from stormwater ninon, runoff, and shall be a minimum of <br />50 ft away from drainage courses. Area is to be protected with <br />berms and dikes. Secondary containment, such as a drop cloth or <br />drain pan, will be used to catch spills if necessary. If a small spill <br />does occur, the operator will use absorbent materials to remove as <br />much of the spill as possible. The spent absorbent material will be <br />disposed of properly and promptly. There will be no bulk storage of <br />fuel on-site. <br />2. Spill Control Practices <br />All employees must be trained to recognize "significant spills" based on <br />the relative toxicity of the material. Spills should be cleaned <br />~ " immediately, using as little water as possible to avoid spreading. <br />' Stockpiles of cleanup materials should be stored in an easily accessible <br />