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A discussion on water rights for groundwater exposure can be found in Exhibit G. Prior to the <br /> exposure of any groundwater, the permittee will provide the Division with a copy of the approved <br /> gravel well permit and any associated water supply plan. <br /> The overall mining direction will be from south to north and will vary within the pit. The general <br /> mining area sequence is shown on Map C-2. Map C-2 also shows the extents of mining <br /> throughout the site. Map C-4 shows a snapshot of mining operations. Table D-2 shows the <br /> disturbed and undisturbed area in each phase. Crushing and screening of excavated material <br /> will take place onsite. Crusher fines may be placed in the lake during final reclamation or sold <br /> offsite as fill. Concrete will be produced onsite. Washed rock will be produced onsite. No <br /> asphalt will be produced onsite. All facilities will be removed following mining. <br /> Explosives will not be used at this site. <br /> Table D-2. Disturbance Area <br /> Disturbed Area Undisturbed Area <br /> I Mining 36 acres i 36.8 acres <br /> Note:The total affected area is 72.8 acres. <br /> 5.1 . Mining Buffers and Limitations <br /> Minimum mining setbacks are shown on Map C-3 (Phase 2). Map C-2 shows the setbacks <br /> during mining. All mining will be within the 100-year floodplain. Stormwater control structures will <br /> be present during mining and industrial activities but removed during reclamation. Additionally, <br /> the excavation of topsoil and overburden from the site will create storage volume for storm and <br /> flood events onsite. See Map G-1 in Exhibit G for more information on surface water <br /> management. <br /> 6. Overburden and Topsoil Handling <br /> Initial earthmoving will consist of stripping 0-36 inches of topsoil and approximately one to four <br /> feet of overburden from areas to be disturbed. These stripping thicknesses are based on the soil <br /> survey for the operation and operational experience at the Grand River Park to the east. For the <br /> purpose of the material balance, 18 inches of topsoil and two feet of overburden are assumed. <br /> All earthmoving will be done using mining equipment suitable for this type of operation including <br /> the following: front end loader, dozer, excavator, and water trucks. Topsoil and overburden will <br /> be directly placed, as much as possible, with stockpiling as needed in the designated stockpile <br /> areas (Map C-3). Stockpiles to be in place longer than 90 days will be seeded with the <br /> permanent seed mix to prevent erosion (see Exhibit E for seed mix information). Table D-2 <br /> details a breakdown of the overall material balance of the project during mining. <br /> North Hangs <br /> December 2024 D-4 Lewicki& Associates <br />