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27. The Special Use Permit is contingent upon the petitioner complying with the <br />applicable requirements of Regulation III.D of the Colorado Air Quality Control <br />Commission, as a minimum standard, with the following stipulations: <br />A) The operation shall establish a fugitive dust control plan approved by the <br />Planning Administrator for the sand and gravel operation. Periodic inspections <br />by the State and County will be used to determine compliance with the plan. <br />B) The dust control plan shall be formulated by the petitioner in cooperation <br />with the planning staff, then forwarded to the Colorado Air Quality Control <br />Division, and is subject to control and administration by Routt County, i.e., <br />Planning Department staff and/or Department of Environmental Health. Routt <br />County Environmental Health Department approval of plan .shall be required prior <br />to any grading activity. <br />C) The dust control plan can be amended by Planning Commission and the <br />Board of County Commissioners if found to be necessary. <br />D) The dust control plan shall address site-specific issues of concern, such <br />as the topsoil stockpiles, revegetation, wind breaking, watering and/or <br />stabilization of haul roads and stockpiles. Temporary closures may be required <br />during times of high wind. Windbreaking shall occur as necessary by placement <br />of gravel stockpiles or other material in a manner so as to prevent blowing of <br />material from such piles. This condition will apply to stockpiles, disturbed areas, <br />and any berms that may be developed. <br />28. A minimum 50' undisturbed buffer shall be maintained) from the wetlands <br />surrounding Trout Creek. No mining activity or equipment shall be allowed in the buffer <br />area. Light vehicle use within this buffer along the existing ranch road to access the <br />property to the west of this site or to maintain and service the electric pumps located in <br />the sediment pond in the southwestern portion of the mine area shall not be considered <br />to meet the definition of mining activity or equipment. (This condition applies to the <br />Existing Pit only.) <br />29. Applicant shall submit a revised mine plan for approval by Planning Administrator <br />showing the relocation of the dewatering outfall, and changes to the mine area depicting <br />increased setbacks as required prior to the issuance of the Special Use Permit. (This <br />condition applies to the Existing Pit only.) <br />Noise <br />30. Noise from associated equipment and trucks shall be muffled as much as <br />possible. Operations plan shall include a loop system for trucks and equipment to <br />reduce backup requirements. Trucks entering County Road 178 from US Highway 40 <br />shall avoid using "fake brakes" except in cases of emergency. <br />31. Noise from all on-site sources and from haul trucks shall not exceed the <br />performance standards in the State noise statute, C. R. S. 25-12-101. Violations of <br />performance standards shall be enforceable by the Routt County Planning Department <br />and may be cause for a review of the SUP by Planning Commission and/or the Board of <br />County Commissioners. Noise monitoring will be performed at the property line semi- <br />annually by Planning staff. <br />32. Emphasis shall be placed on using only electric pumps connected to line power. <br />In the event of a power failure or other emergency condition, or during the construction <br />Page 2009-300 <br />May 26, 2009 <br />Routt County Board of County Commissioners' Minutes