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✓ There is estimated to be 650,000 cys of material available in the northwest <br /> corner of phase 1. This material will be used to complete the slopes and <br /> allow for shrinkage or overruns. <br /> ✓ Any material not needed in Phase 1 will be used in Phase 7 after the slopes <br /> are completed. <br /> • 20. Phase I Area—Please address the need for an emergency outfall since the <br /> proposed pond is located within the 100 year floodplain. If an outfall is required <br /> please show its proposed location along with relevant details. <br /> ➢ Response: Two outflow structures are shown on the Map F-1 to accommodate <br /> the location in the 100 year flood plain. Notes indicate the structures will be <br /> designed to accommodate site conditions for overflow. Those designs are not yet <br /> sized for the new configuration of the site. <br /> 21. Phase I Area— What areas will have to be topsoiled? What depth will topsoil be <br /> placed? What is the volume of topsoil estimated for Phase I reclamation? Please <br /> identify the sources of topsoil that will be used to reclaim Phase I? What equipment <br /> does the operator propose to use to complete topsoil placement" <br /> ➢ Response - Phase 1 Reclamation: <br /> ✓ What areas will have to be topsoiled? <br /> ❖ Response: <br /> o We have identified six topsoil piles on-site. The estimated cubic <br /> yards in each topsoil stockpile are as follows: <br /> ■ Phase 2, north of the reservoir, equals an estimated 24,327 cyds. <br /> ■ The pile north of the Phase 2 reservoir and just west of Phase 1 <br /> equals approximately 3,348 cyds. <br /> ■ The combined volume of the two stockpiles north of Phase 1 <br /> equals approximately 4,093 cyds. <br /> ■ The topsoil stockpile at the far northeast end of Phase 7 equals <br /> approximately 1,479 cyds. <br /> ■ Total estimated known stockpile quantity equals 33,247 cyds. <br /> v What depth will topsoil be placed? <br /> ❖ Response: <br /> o Topsoil will be replaced to an average depth of 6 inches. <br /> o Phase 2 to the best of our knowledge has already had topsoil <br /> replaced. <br /> o Phase lwill have 15,357 cyds of topsoil replaced. <br /> o Phase 7 will have approximately 6,948 cyds of topsoil replaced. <br /> o We will not need to place topsoil on the topsoil/overburden stockpile <br /> footprint since there is topsoil beneath the stockpile. <br /> o Total estimated volume of topsoil needed, equals 22,305 cyds. <br /> o Phase 1 pit floor will be under water. <br /> a Phase 1 will receive topsoil for the slopes on the west, north and east <br /> sides of Phase 1. Those slopes are approximately 19.0 acres. <br /> 16 <br />