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Transit Mix Concrete Co. <br /> and total disturbance areas to mitigate the potential for off-site impacts. Please be advised, <br /> the affected land boundary proposed in the application must be the boundary delineated in <br /> the field. If additional surveys indicate any revisions to the proposed affected land <br /> boundary, these changes would require submittal of a Technical Revision or Amendment to <br /> the permit. <br /> Response: Transit Mix will survey and post signage along the affected land boundary. <br /> Transit Mix understands that all disturbances must remain within the affected land <br /> boundary and that a Technical Revision or Amendment is required to change the affected <br /> land boundary. <br /> 42) On page D-4, the Applicant states the operation intends to survey and stake the permit <br /> boundary, affected lands boundary, and pit crest boundary. Please clarify how these <br /> boundaries will be differentiated. It is especially important that the affected land boundary <br /> and permit boundary are visually differentiated to keep operations within the affected land <br /> boundary. The Applicant's proposal to delineate all three boundaries exceeds the <br /> Division's requirements. However, the Division agrees that marking these boundaries <br /> would be helpful, especially along the northern edges in the Little Turkey Creek valley <br /> area. The Division would also recommend the proposed 100 foot mining setback from the <br /> center line of Little Turkey Creek be marked. <br /> Response: Transit Mix intends to use separate staking for the various boundaries. They <br /> will place perimeter signage at the permit boundary, and these signs will face outwards to <br /> warn that there is an active mine inside the boundary. The affected lands boundary will <br /> also be marked with signage, but these signs will face inward to warn operators that they <br /> are not to cross the boundary line. The disturbance, pit crest, and 100-foot offset from the <br /> creek will be staked as limits of disturbance, and operators will be instructed not to travel <br /> or disturb beyond these stakes. <br /> 43) In Table D-1, the combined affected area for all six mining phases is 239.03 acres. Please <br /> confirm the proposed affected area for the operation is 239.03 acres. <br /> Response: The proposed affected land area is 239.03 acres. <br /> 44) On page D-8, the Applicant states affected areas adjacent to the access road are not shown <br /> as reclaimed in Figure C-4 to present the topography in those areas. Please explain. Are <br /> there other areas that will be affected by the operation not shown on the mining plan maps? <br /> All proposed surface disturbance by mining phase should be depicted on the mining plan <br /> maps. <br /> Response: All areas disturbed by the quarry development and operation are within the <br /> affected lands boundary and are shown on the Exhibit C figures. Figure C-4 has been <br /> revised to show the entire access road. <br /> 45) On page D-11, the Applicant states that during mining phase V, a drainage channel will be <br /> established at F2 to provide an open channel connecting the stockpile to the pit floor in <br /> Hitch Rack Ranch Quarry(M-2017-049) <br /> Response to Comments—March 9,2018 <br />