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RMe 3r3vel P.t t#1 /August ?721 <br /> floor. Stage 2 will take place in the northeastern quadrant of the property. See Exhibit D3 <br /> and D4, Figures 12 and 13 for a typical location for this material during mining. <br /> The location of the mining equipment in the bottom of the pit will support mitigation of the <br /> mining noise and dust. All stockpiling of material at this point also be done at this level and <br /> move based upon the mining activity location. <br /> 5.2.3.2 Water Diversions and Impoundments <br /> Scott Contracting, Inc. will also monitor the response of the delineated wetlands on the <br /> property over the course of Phase 3 to determine if the wetlands are supported entirely by <br /> agricultural water(i.e., non-jurisdictional). If the wetlands are determined to be non- <br /> jurisdictional, Scott Contracting, Inc. intends to submit a minor amendment to the Garfield <br /> County Land Use Change Permit to allow for expanded mining in the future. <br /> 6.2.3.3 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. See Exhibit D1, Figure 10 for a <br /> typical mining section that shows the mining pit dewatering set-up and Figure 14 for the <br /> approximate locations of the dewatering wells. <br /> Scott Contracting, Inc. will comply with the State Engineer Office's (SEO) rules and <br /> regulations regarding any water depletions that may also occur during mining operations <br /> from water lost with mined aggregate and water used for dust suppression. <br /> 6.2.4 Explosives <br /> Explosives will not be used during mining or reclamation of the property. <br /> 5.2.6 Schedule of Operations <br /> The Rifle Gravel Pit will operate from 7 am to 7 pm Monday through Friday, and weekends, <br /> as needed. Scott Contracting, Inc. will limit winter operation hours between the hours of 7 <br /> a.m. and 5 p.m. Approximately 3 to 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 /> 5.2.6 Existing or Proposed Roads <br /> No existing nor proposed roads will be used for the mining operation on-site. The CDOT <br /> Frontage Road will be improved and used for hauling to and from the site, however, is not <br /> included in the Permitted (Affected) Area for this project. <br /> 5.2.7 Drainage and Runoff Conveyance <br /> Previous sections of this application describe the water handling and dewatering activities <br /> for this proposed project. <br /> 27 <br />