2017-10-03_GENERAL DOCUMENTS - M1992038

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JONES FINE SAND CO. Masonry Sand Hauled Anywhere at Reasonable Rates INERT FILL NOTICE (RULE 3.1.5(9)) Sand Creek Pit-Permit M-1993-038 M-t992-o S$ During the life of the mine Jones Fine Sand will import inert materials as defined in Rule 1 . 1 (20) , into this mining operation. Reclamation activities at this mine involve operation as a sand mine where the imported material will be hauled to the site for use in reclaiming mined areas adjacent to West Bijou Creek and for bank armoring along the creek to prevent erosion during highwater events if needed. If course fill is used for backfilling it will be covered with finer material and reclaimed as required by the permit . The amount of material to be imported is unknown at this time. We will record the volume imported each year and keep a running total, so if needed, the Division will know how much and how it as disposed of. We will continue to import inert material until reclamation is complete or we no longer have a source. No specific compaction rates are proposed for the fill . The material usually available contains clean dirt, smaller pieces of brick, concrete, or dirt mixed with the larger pieces of the same material . This makes it very difficult to achieve a specific compaction rate and while we take no action to reach a specific compaction rate, the way the material is placed tends to compact it . We run heavy equipment over the filled area during the filling process and the material is compacted as a result . Stabilization of this fill material is not a concern because of the way it is placed. What voids do remain are usually under large pieces of material and little settling is possible. The depth of the fill will not be so great as to affect offsite lands if settling occurred. 5400 Forest Street • Commerce City, Colorado 80022 • 303-289-1428