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ENVIRONMENT, INC. PAGE 10 <br /> L.G. EVERIST, INC. -WEST FARM RESERVOIR ADEQUACY RESPONSE 01 <br /> MAY 23, 2023 <br /> Responses to the CPW letter are presented on page 14 of this response. <br /> EXHIBIT L - Reclamation Costs (Rule 6.4.12). <br /> 29) DRMS will evaluate the reclamation bond calculation when the other adequacy <br /> issues have been resolved and the appropriate revisions made, however, the <br /> following items were noted in the initial review which you may want to address at <br /> this time. <br /> Why are there 26.42 acres listed as "undisturbed"in Stage A? It may be useful to show <br /> acreage breakdowns on the reclamation plan map. <br /> This is because of the total 76.42 acres in Phase 4 only 50 would be disturbed by the <br /> Plant Site until mining starts in Phase 4. Included on page 26 of the Reclamation Plan, <br /> Figure E-1, is a color rendition of how the site will be reclaimed. This sketch shows the <br /> reservoirs, the areas to be resoiled and revegetated and the undisturbed area for each <br /> Phase of the operation. <br /> Table L does not include any costs for backfilling or other reclamation of fresh water or <br /> sediment ponds. <br /> Thank you for catching this. Exhibit L noted it would need to be done but we forgot to <br /> include a cost. <br /> An estimate of 20,000 cy is given for backfilling approximately 6 acres of settling pond area, <br /> however, 20,000 cy would only fill a 6 acre excavation to a depth of approximately 2 feet. What <br /> is the proposed volume of the settling ponds that would need to be backfilled? <br /> I have corrected this and included a cost to backf ill 6 acres at an average depth of 15 <br /> feet. The cost to resoil and revegetate this area is included in the table. <br /> No cost for demolition/hauling/disposal of any processing facilities or conveyor <br /> structures/crossings has been provided, please address. <br /> As explained earlier in this response, for bonding purposes, the gravel processing plant, <br /> scales, asphalt and concrete plants are portable equipment and would be removed if the <br /> mine failed so the Division would not need to remove them. We did not include the cost on <br /> Table L to remove conveyor supports or crossing foundations since the first one would not <br /> be built until mining moved into Phase 2. I have included a cost to remove an estimated <br /> 500 cu-yds of concrete foundations on Table L4 to cover the temporary foundations for <br /> the listed equipment and conveyor crossings. <br />