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COLORADO BACKHOE SERVICE <br /> 25193 South Road <br /> Pueblo, CO 81006 <br /> (719) 924-0288 <br /> INERT FILL NOTICE (RULE 3.1.5(9)) <br /> The Orr Pit-M-2009-074 <br /> During the life of the mine Colorado Backhoe Service will import <br /> inert materials as defined in Rule 1 .1 (20) , into this mining <br /> operation. Reclamation activities at this mine involve operation <br /> of a material storage yard where imported material will be hauled <br /> tot he site for recycling and resale. Some will be used to <br /> backfill the excavated areas or recycled and sold. If courser <br /> fill is used for backfilling it will be covered with finer <br /> material and revegetated where required by the permit <br /> The amount of material to be imported may be up to approximately <br /> 500, 000 cubic yards. We will record the volume imported each <br /> year and keep a running total, so if needed, the Division will <br /> know how much and how it as disposed of . We will continue to <br /> import inert fill until reclamation is complete or we no longer <br /> have a source. <br /> No specific compaction rates are proposed for the fill . The <br /> material usually available contains clean dirt, smaller pieces of <br /> brick, concrete, or dirt mixed with the larger pieces of the same <br /> material . This makes it very difficult to achieve a specific <br /> compaction rate. While we take no action to reach a specific <br /> compaction rate, the way the material is placed tends to compact <br /> it . We run heavy equipment over the filled area during the <br /> filling process and the material is compacted as a result. <br /> Stabilization of this fill material is not a concern because of <br /> the way it is placed. What voids do remain are usually under <br /> large pieces of material and little settling is possible. The <br /> depth of the fill will not be so great as to affect offsite lands <br /> if settling occurred. <br />