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2A. Both tanks will have secondary containment of at least 110% of the full tank capacity. An <br />SPCC Plan will be placed in the mine office and the employees will be trained to take the <br />appropriate steps for inspections and spill response in case of a spill. All portable plants will <br />have their own tanks built into the plant that have built -in secondary containment and are <br />covered under their own portable plant SPCC Plans. If any fuel spill is encountered, the material <br />will be removed from the site. The Division will be notified in the case of any spill. Upon final <br />reclamation, all equipment will be removed from the site. <br />A portable wash plant will be utilized on site to create washed products for the Concrete and <br />Asphalt plants as well as sell washed aggregate products. The wash plant will be fed with <br />crushed and screened products and will remove the fine material as required in the material <br />specifications. These fines will be deposited in the wash pond located near the wash plant within <br />Mining Area 1. This pond will periodically be cleaned out. The fines will be deposited in the <br />depression around the plant area and reclaimed at the end of mining. Water consumed in the <br />wash plant will be hauled from the irrigation ditches on this parcel. See Exhibit G for additional <br />details on water use. <br />The portable concrete plant will consist of a lime silo, fly ash silo, loading hoper, control room <br />and a batching hopper. Concrete mixer trucks will haul the material from the mining area to the <br />various project locations. The mixer trucks will be stored next to the concrete plant when not in <br />use. The sediment ponds will also serve as a concrete washout ponds. Excess concrete created <br />during batch operations will be laid out on a gravel pad and allowed to cure. The excess concrete <br />will be recycled in the crushing operation. <br />The portable asphalt plant will consist of burner fuel tanks, asphalt cement tanks, mixer drum, <br />loading hopper and a control room. Asphalt batching operation will only be conducted in the <br />warmer months as it can only be installed in these months. The asphalt plant may be stored on <br />site during the winter months depending on the projects schedules. Excess asphalt produced <br />during batching operations as well as spillage will be cleaned up daily and placed in an asphalt <br />material storage location. The asphalt material will be directly recycled into the mixer drum on <br />the next asphalt production run. <br />Uncompahgre Pit, February 2013 D -5 <br />