PERMFILE118131 - Laserfiche WebLink

Home Browse Search

H/S Properties Pit DMG 110 Application Exhibit C - Minin¢ Plan Mining is expected to commence in eazly July, 2007 and end by October 30, 2011. The area to mined has previously been leveled and the gravel is covered by 0-6" of gravelly clay loam topsoil. All the topsoil that can be salvaged from the mining area will be stockpiled by dozer or front end loader along the northern property boundary and stabilized by broadcasting with grass seed. The southern lowland part of the property may be used for a process and stockpile area if the market requires processed material instead of pit run material. In this case, 6-10" of topsoil will be salvaged and stockpiled at the southern end of the property to avoid contamination with gravel products. No overburden would be removed from this area. 12-20" of gravelly clay loam overburden will be removed from the gravel deposit and stockpiled by dozer or front-end loader along the northern property boundary. The deposit to be mined is 15 to 20 feet thick. A Commercial Access Pemvt has been applied for from Montrose County on Banner Road. The existing farm access would be improved to County Specifications and the existing driveway along the east side of the property would be improved to 12' wide gravel surface about 900 feet long to the top of the mesa. The existing bridge across an existing irrigation drainage ditch would be replaced by a 15" culvert. A drainage ditch along the side of the road will direct any runoff to the irrigation drainage ditch. This improved road would serve as the haul road on the property and will remain as the landowner's access after mining and reclamation are complete. Pit excavations will occur on the northern elevated 2.5 acres of the property. The sand and gravel would be removed using front-end loaders, dozers, and/or excavators and transported to the southern 2.0 acres of the site for processing and stockpiling or loaded onto trucks bound for the final customers. Processing would consist of crushing, screening and stockpiling material if it can't be hauled directly off site. The designated haul mute is Banner Road to US Highway 50, which has acceleration/deceleration lanes in both directions. Mining and crushing operations are expected to occur for 6 to 8 weeks at a time to build stockpiles. Activity would then be limited to hauling material off site until the stockpiles are depleted and another cycle of mining and crushing is needed. There will be no retail sales from this site. The only water used for this operation will be up to 3000 gallons per day for dust control on process equipment and the haul road. This water will be obtained and trucked to the site from a legal source by a gravel company that has not been contracted yet. No groundwater will be encountered in this operation and no surface water will be intercepted or disturbed. Stormwater runoff from the road and mining area will be filtered through straw bales before dischazge into the irrigation wastewater ditch in accord with the Stormwater Dischazge Permit to be obtained from the Colorado Department of Public Health and Environment, Water Quality Control Division. We anticipate no refuse and acid or toxic forming materials to be exposed during mining. This is a small, dry pit in an arid climate that will have minimal disturbance to the hydrologic balance. Mining along the west side of the pit will be done by an excavator pulling material in from the edge to prevent material from leaving the site. All disturbance will be contained on site. The final configuration of the mined area will be a bowl shaped bench with easy access from the county road that is compatible with other General Agricultural lands in the azea We estimate that the site contains approximately 100,000 tons of extractable gravel to be used as construction aggregate. There will be no incidental products extracted by this operation. There will be no explosives used in this operation.