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To:Jared Ebert <br /> Date: February 27,2018 <br /> Page 7 <br /> e. Please provide the information necessary to calculate the cost of the <br /> installation of the French Drain and riser system. <br /> f Please provide the anticipated maximum length of highwall to be in place at <br /> any given time during mining of Phase I and II. Please provide an estimate of <br /> the volume needed to grade this highwall to the proposed 3H:•1 V slope. <br /> g. Please provide a basis for the pit pumpdown costs. <br /> h. Please provide an estimate of the volume of topsoil to be replaced. <br /> i. Regarding revegetation costs,please provide an estimate of <br /> i. Seed cost per acre. <br /> ii. Cost for proposed tree and shrubs. <br /> iii. Planting and seeding costs. <br /> j. Please include a cost for mobilization and demobilization of equipment to the <br /> site to complete reclamation <br /> Response 46a <br /> The attachments containing the unit quantities and rates used to produce the summary <br /> table in Exhibit L of the original submittal were not included as DRMS has pointed out. <br /> We have included two attachments, Attachment 5 — Reclamation Cost Spreadsheet and <br /> Attachment 6 — Reclamation Cost Calculation Documentation, to this response and <br /> provided the specific information requested in the comment letter herein. <br /> Comment 46b <br /> Telesto supplied a detailed reclamation cost estimate for each phase of the mining <br /> operation. The Division has reviewed the cost estimate and utilized the information to <br /> complete a cost estimate for the first phase of the operation. The Division's estimate is <br /> attached for review. Given the applicants commitment to not affect the next phase of the <br /> mining operation until an evaluation of the bond is completed and approved by the <br /> Division, the Division will only initially require a financial warranty to be held to cover <br /> the cost for the first phase of the operation. Some of the differences between the <br /> applicant's estimate and the Division's estimate is discussed below. <br /> The Division used the same format to estimate the cost to install the perimeter drain for <br /> the Phase 1 area that Telesto used. However, using the RSMeans 2018 Site Work and <br /> Landscape cost data the Division's unit costs were higher than the cost proposed by the <br /> applicant. Also, the cost for the drain sand would cost the Division more than what was <br /> proposed by the applicant. At the point when the mine is at the end of the Phase 1 <br /> timeframe, the total affected land including the water management pond,processing area <br /> (not including the building area to remain after the site is reclaimed) and the Phase 1 <br /> mining area was estimated to be 47.08 acres in size. Given this, the Division will hold a <br /> Response to DRMS Adequacy Review 3 comments T E L E S T O <br />