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flood events onsite. See Map G-1 and Exhibit G for more information on surface water <br /> management. <br /> No permanent plant or office facilities will be built onsite. <br /> 3. Overburden and Topsoil Handling <br /> Initial earthmoving will consist of stripping 0-24 inches of topsoil and approximately six feet of <br /> overburden from areas to be disturbed. These stripping thicknesses are based on the soil survey <br /> for the operation and operational experience at the 23 Road Pit to the west. For the purpose of <br /> the material balance, 12 inches of topsoil and six feet of overburden are assumed. All <br /> 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 direct 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 permanent <br /> seed mix to prevent erosion(see Exhibit E for seed mix information). Table D-2 details a <br /> breakdown of the overall material balance of the project during mining. <br /> Table D-2. Topsoil and Overburden Material Generated During Mining <br /> Material <br /> Generated (CY)l <br /> T 66,800 <br /> Overburden T400,700 <br /> 'Total topsoil and overburden for all mining in Areas 1 and 2 of the operation.See Table E-2 for the reclamation <br /> material balance for each Area. <br /> All topsoil stripped during mining operations will be used in contemporaneous reclamation or <br /> used at other sites to improve reclamation there. The presence of the lake means that there will <br /> be more topsoil generated by stripping activities than needed for reclamation activities. Details <br /> pertaining to reclamation can be found in Exhibit E. <br /> Area 2 will limit excavation such that at no point are more than 100,000 CY needed to backfill <br /> the Area to final reclamation. Area 1 will limit overburden generation such that no more than <br /> 100,000 CY of overburden are stockpiled at any time. This will minimize the earth movement <br /> necessary to achieve reclamation at any time. <br /> 23 114 West <br /> October 2020 D-5 + +' <br />