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6. Schedule of Operations <br /> Mining, screening, and processing will be conducted on site with portable equipment throughout <br /> the year. Asphalt and concrete production will occur onsite at various times of the year. Product <br /> will be sold from these activities throughout the year. The operator will not typically have night <br /> gravel mining operations, although minor truck activity and repairs may occur after hours. <br /> Operations will be limited by weather and will likely only occur 6 months out of the year. <br /> 7. Routt County Impacts and Environmental Impacts <br /> The final product leaving the site is expected to consist of roughly 50% asphalt and 50% gravel. <br /> Concrete production has not taken place on Camilletti in the past, but the option for it is <br /> maintained by the operator. Impacts to Routt County are discussed further in the Routt County <br /> Special Use Permit but are summarized below. In general, the impacts will not be increased by <br /> the changes described in this amendment. <br /> a. Truck traffic: Highway trucks will use the access to US-40 via the current private access <br /> to the Routt County pit. This access can be seen on Map C-2. A CDOT access permit is <br /> already in place. <br /> b. Noise: The operations at the Hayden Gravel Pit will be a continuation of the mining and <br /> processing at the existing pit with no increase in intensity or noise impacts. Operations <br /> will be maintained in a fashion to stay within state noise limits. <br /> c. Dust: Pit activities will be watered and all operations on the site are regulated by the Air <br /> Pollution Control Division of the CDPHE. <br /> d. Visual impact: This pit expansion will cause visual impacts to drivers on US-40 and <br /> potentially the neighboring properties to the north. These impacts and their mitigation are <br /> addressed as part of the Routt County Special Use Permit process. <br /> e. The product from this mine will positively impact the local community by supplying <br /> construction materials for the foreseeable growth of this part of Routt County. <br /> Additionally, by maintaining mining activities in an area that is used to them (County Pit <br /> and Camilletti Pit already present), the cumulative impacts to the local community are <br /> kept minimal. <br /> a) Stormwater control structures will be maintained to protect the area surface water <br /> regime. <br /> b) The operator will work closely with the County, Town of Hayden, NRCS, CDPW and the <br /> DRMS to ensure that the reclamation plan is the most appropriate for achieving the post- <br /> mining land use. <br /> Hayden Gravel Pit <br /> December 2022 D-5 Lewicki 81 Associates <br />