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Equipment for this phase will include, but not be limited to, a bulldozer, track-hoe, and a 35- <br /> ton haul truck. <br /> 5.2.3.2 Water Handling and Dewatering <br /> Phase 1 dewatering activities will continue throughout this phase. Any water encountered at <br /> the bottom of the pit during this phase will be intercepted by a buried perforated pipe <br /> (estimated at three feet below the mining floor). It is assumed that any water captured in the <br /> perforated pipe will be pumped by the dewatering well. <br /> SCI will comply with the State Engineer Office's (SEO) rules and regulations regarding any <br /> water depletions that may also occur during mining operations from water lost with mined <br /> aggregate and water used for dust suppression. <br /> 5.2.3.3 Schedule of Operations <br /> The Rifle Gravel Pit will operate from 7 am to 7 pm Monday through Friday, and occasional <br /> weekends, as needed. Approximately 5 employees will be on site during this phase of the <br /> mining operations. No nighttime activities are anticipated. Occasional equipment repair, or <br /> maintenance may be conducted at night, but lighting will be kept to a minimum and directed <br /> inward; the site will not have ambient lighting. <br /> 5.2.4 Reclamation (Phase 4) <br /> The reclamation of the property will be completed as per the phasing plan and restored back <br /> to natural conditions as soon as practicable. See Section 6 for additional information <br /> regarding reclamation of the property. <br /> 5.3 Mining Timetable <br /> SCI anticipates extracting approximately 3 million tons of sand and gravel over 5 to 7 years. <br /> Sand and gravel are the anticipated primary and secondary commodities to be mined and <br /> extracted from this property and used for future projects. There are no incidental materials <br /> expected to be extracted from this site. <br /> The following table provides a range of the duration of mining by phase/stage, estimated <br /> nature, depth and thickness of the deposit to be mined and type of overburden to be <br /> removed. Figure 9 depicts the size, location and area of each phase/stage. Attachment A <br /> includes the exploratory boring logs and material information. <br /> 18 <br />