2016-07-28_PERMIT FILE - M2016010 (2)

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h/ .�A*� Transit Mix Concrete Co. Award In the Reclamation of Mined Lands" from the Colorado Department of Natural Resources Mined Land Reclamation Board for the reclamation work performed at the Queens Canyon Quarry. Mining at the Black Canyon Quarry ended in 2015, and Transit Mix is currently preparing reclamation plans for the site. Transit Mix has ongoing operations at multiple locations, and there is no statutory requirement to reclaim mined lands until the completion of mining. Regardless, Transit Mix routinely reclaims areas where mining is completed. This is prudent mining practice, because it reduces runoff and sediment volumes that must be addressed by the mine operator. Onsite Traffic Safety Objector Comment: The size and frequency of haul trucks passing through the intersection of the proposed new quarry road and Little Turkey Creek Road, and also entering Highway 115, may cause a significant safety issue as Eagles Nest landowners and guests pass through those areas. Safety along Little Turkey Creek Road may be compromised due to failure of impoundment ponds, stockpiles, or slopes. Response: Transit mix is creating a separate access road (see Figure C-1 of the July 21, 2016 submittal) that will be used by the haul trucks hauling material from the site. Additionally,Transit Mix will be installing acceleration and deceleration lanes on Highway 115 where the trucks will be entering and exiting the property. Local traffic utilizing Little Turkey Creek Road along Little Turkey Creek or Deadman Creek will only encounter quarry traffic at the proposed creek crossing areas. Local traffic will have the right of way through these areas (no stop sign) and quarry traffic will be stopped via stop signs in both directions. All sediment detention basins are engineered for a 100-yr-24-hr storm event and have engineered structures to increase the likelihood that no failure will occur. Down drain ditches discharge designed for the 100-yr, 24-hr storm event will drain water to sediment detention basins which are designed to contain runoff from the 100-yr, 24-hr storm event. Stockpiles and slopes have been engineered and designed for stability and with Factors of Safety at or above 1.5. These design criteria meet or exceed industry standards suggesting that a failure is extremely unlikely. Hitch Rack Ranch Quarry Permit Application M-2016-010 Responses to Objection Letters July 28, 2016 18