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Explanation of typical crushing operation. <br />Q: Where will the materials (concrete and asphalt slabs) come from? <br />A: These slabs are the broken pieces of old sidewalks/pathways, driveway aprons, and County <br />Road C roadway taken from t�e area from I-35 W and Long Lake Road east to Snelling Avenue. <br />Q: How much concrete and asphalt will be crushed at the Meri#cx Site? <br />A: It is impossible to know exactly how much concrete is in the compound, but best estimates <br />place the volume of concrete and asphalt at approximately 44 feet wide by 5,300 feet long by S <br />inches in depth. This would equate to a range of 5,70� to 6,200 cubic yards of crushing material. <br />�� How long will this crushing take? <br />�; Crushing is estimated to occur from April 1,2005 through August 15,2006, barring <br />unforeseen circumstances. <br />� t Who is crushing the concrete? <br />�� Shafer Construction, the contractor for the County Road C reconstruction project will <br />crush the concrete and asphalt. Shafer has been awarded the reconstruction contract by <br />the County. <br />�� What will he done with the crushed concrete and asphalt pieces? <br />A; The County plans to use the crushed pieces as a"sub-base" gravel for new roads on <br />County Road C projects. Sula-base gravel is used in the bottom layer of a road, designed <br />to give the road its shape and strength. Because the crushed material is about 2 112" in <br />size, it is not suitable for use as the finished surface for the roads. In reusing this concrete <br />as sub-base gravel, rather than using new gravel that would need to purchased from <br />another source, the County will be saving thousands of dollars and recycling materials. <br />�: Why is this done? <br />�i: There are a number of reasons for crushing this concrete, including: <br />1. Prolonging the life of landfills; <br />2. Protecting the environment by not burying the old material in a hole and not <br />needing to extract more gravel from the ground; and <br />3. Saving money by using recycled concrete and asphalt in new projects. <br />4. Reducing the length, time, and number of truck trips. <br />PF3616_RCA_022805.doc1 Page 6 of 7 <br />