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6.3.3 EXHIBIT C <br /> Mining Plan <br /> 6.3.3 Mining Plan description: <br /> The purpose of the mining plan is to describe how mining will affect the permit area for the <br /> duration of the operation. This plan must be correlated to Exhibit E—Map. The <br /> description of the mining plan must be adequate to satisfy the requirements of Section 3.1 <br /> and demonstrate compliance with Rule 3. At a minimum,the Operator/Applicant must <br /> include the following information: <br /> (1) The purpose of the mining plan is to describe how mining will affect the permit <br /> area for the duration of the operation. This plan must be correlated to Exhibit E— <br /> Map: <br /> (a) The estimated dates mining will begin and end. If the operation is <br /> intended to be an intermittent operation as defined in by statute,the <br /> Applicant should include in this exhibit a statement that conforms to the <br /> provisions of the Statutory requirements: <br /> • The proposed operation will not be an intermittent mining operation. <br /> • Mining operations will begin once all required permits are in place. This is <br /> a City of Aurora roadway project and removal of the borrow material from <br /> the site should require less than nine months once the project begins. <br /> Removal of borrow material from the site and site reclamation should be <br /> completed prior to the end of 2019. <br /> (b) The estimated depth topsoil will be salvaged, specify how the topsoil <br /> will be stockpiled and stabilized with a vegetative cover or other <br /> means until used in reclamation. Topsoil stockpiles must be protected <br /> from mine operations traffic, stream channels or drainageways. The <br /> location must be shown on Exhibit E—Map: <br /> • The average depth of topsoil removed will be 13 inches. (We estimate <br /> approximately 27,000 cyds of topsoil will be needed for site reclamation.) <br /> The amount removed from soils units Nunn-Bresser Association (NrB), 3- <br /> 5%slopes, or Truckton loamy sand, (TrE), S to 20%slope may be used as <br /> replacement topsoil. The soil unit NrB is preferred of these two units <br /> since the upper 8 inches is a loam. Soils unit TrE upper five inches is <br /> loamy sand and its next 22 inches is a sandy loam. There is no need to <br /> remove topsoil from the other soils units. <br /> • Location of the topsoil stockpile in any of the brown area indicated on the <br /> Pre-mine/Mine Plan Map will protect the topsoil pile from mining <br /> operations and is out of any drainageway. <br /> • The location for the topsoil stockpile and its access road are shown in a <br /> brown tinted color on the Pre-mine Mine Plan Map. Only about 2.4 acres <br /> 31 <br />