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SECTION 1 <br />Description of Industrial Activities <br />This SWMP has been prepared for 35'x' Avenue Pit, Concrete and Asphalt Facilities, which <br />produce aggregates, ready-mix concrete, and asphalt for use at construction sites in the Greeley, <br />Colorado vicinity. FIGURE 1 identifies the general location of the facility, as well as the nearest <br />receiving waters. Construction activities present at the site are as follows: <br />? GRADING/MINING <br />Site is leveled and smoothed according to final project specifications using a road grader.. <br />Material may be excavated using earthmoving equipment and processed through various <br />feeders, screens, and crushers. This may include right-of-ways, drainage ditches, and <br />road sub-base areas of the project. <br />? QUARRYING <br />Drilling and blasting is used to liberate virgin stone from its natural consolidated state. <br />Haul trucks are typically used to take the material to the plant for processing.. <br />N STOCKPILING (Check if applicable) <br />• OVERBURDEN AND TOP SOIL <br />Stockpiles may occur in the form of earthen berms.. <br />• SAND AND GRAVEL <br />Raw and processed aggregates are stockpiled for future use. <br />• AGGREGATE MIX FOR CONCRETE PRODUCTION <br />Aggregate can be stored in stockpiles, and loaded into a ground hopper as needed, and <br />then conveyed to the plant. Material may also be loaded directly into a series of hoppers <br />located above the plant that directly discharge into the plant. <br />• AGGREGATE MIX FOR ASPHALT PRODUCTION <br />Raw material can be stockpiles or put into storage bins. <br />• RECYCLED ASPHALT PRODUCT <br />Asphalt that is being stored and/or processed for reuse. <br />• RECYCLED CONCRETE PRODUCT <br />Concrete that is being stored and/or processed for reuse. <br />? ASPHALT MILLING <br />The existing roadway is milled, emptied into haul trucks and hauled off-site.