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2,4 Annual Operation <br /> Mining is expected to take place year-round with periodic breaks not to exceed 4 days to <br /> accommodate holidays or poor weather conditions that may impact the ability to safely traffic mine <br /> 8CCesS roads. The Mine typically hauls noat8h8| 5 days per week (Monday through Friday) and <br /> typically operates from O a�nn. to 5 p.m. Infrequently, the Mine operates on Saturdays, limited to <br /> hauling 4 Saturdays per year. <br /> 2~5 General Schedule of Operations <br /> Table 2.7 illustrates the estimated schedule ofoperations. <br /> TABLE2'1: ESTIMATED SCHEDULE OFOPERATIONS <br /> Operational— Active mining to the approved limits from the 2002 <br /> Year 1 to Year 12 <br /> Active mining to a pit floor elevation of 6760 feet amsl <br /> Operational— (maximum footprint extents), including using <br /> Upper Pit Expansion intraburden for progressive reclamation (3:H:lV Year 12 to Year 15 <br /> maximum slope) <br /> Active mining of interior pit benches to a pit floor <br /> Operational elevation of 6560 feet amsl (pending drilling <br /> Upper Pit Interior confirm ation/conti n uous gypsum at depths exceeding Year 15 to Year 25 <br /> Benches 6760 feet amsl), including using intraburden for <br /> progressive reclamation (2.51­11V maximum slope) <br /> Placing intraburden/overburden in the Upper Pit, <br /> Progressive Reclamation <br /> inClUding forming the East Pit Access Road, with a Year 1 to Year 1 b <br /> —Upper Pit <br /> 2.5H:1V maximum slope <br /> Reclamation— Placing intrabUrden/overburden in the Upper Pit with a <br /> Upper Pit(Full Footprint, 2.5H:1V maximum slope, covering with 6 to 12 inches [2' <br /> Year 16 to Year 26 <br /> excluding active portion of growth medium, and revegetating with a native <br /> of East Pit Access Road) seed mixture <br /> Using existing roads to perform initial clearing and <br /> Site Development grubbing, stockpiling growth medium (if encountered <br /> during clearing and grubbing)within existing Year 2 to Year 10 <br /> East Pit <br /> disturbance areas, removing overburden for haulage <br /> to the Upper Pit or East Pit Access Road <br /> Active mining to a pit floor elevation of 6900 feet arnsi, <br /> Operational — including using intraburden for progressive <br /> reclamation (2.51-1:1 V slope)where possible and Year 15 to Year 41 <br /> East Pit <br /> stockpiling intraburden within the East Pit for future <br /> reclamation regrading <br /> Regrading intraburden to an overall 2.5H:1V slope, <br /> Reclamation— covering with 6 to 12 inches of growth medium, and <br /> Year 41 to Year 42 <br /> East Pit revegetating with a native seed mixture (includes <br /> portion of East Pit Access Road through the East Pit) <br /> Note: Approximate timing assuming Year 1 is2010- <br /> �RomainingdumkionoanoumeUppo/Pkioopenmiono|for15yeom;though it may provide gypsum for o <br /> total nf25years. <br /> 16 <br />