2021-09-07_REVISION - M1973021 (4)

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Aggregate Industries, Morrison Quarry Amendment No.7 to Permit M-1973-021 FYZ Morrison,CO Item 6.0 Structure Dismantling and Demolition All human-made structures not shown in Exhibit F.4 and Exhibit F.5 will be dismantled and removed from the site prior to final grading and reclamation. These include, but are not limited to, the following structures: • Processing Area Equipment (conveyors, crushers, etc.) • Mine Administration Offices • Riprap Plant • Fuel Storage Area • Haul Roads and Parking Areas • Truck Wash and Tarping Area on Main Access Road • Dewatering Wells, Communication Towers, and Other Utilities The operator will dismantle, demolish, and/or remove from the property all structures listed above and any additional structures not listed in Exhibit F. All structures must be removed in accordance with the reclamation plans. Concrete foundations and slabs must be removed unless authorized to remain as per the end user requests. No debris or re-saleable materials will be permitted to be left on site following final grading. No pipes, rebar, or any other materials are to be left protruding from the ground. Prior to demolition and removal, the physical condition of the property will be evaluated, and features such as hazardous substances and/or petroleum product containers, storage tanks, odors, pools of liquid, drums, stressed vegetation, anomalous topography, surficial debris, suspicious pipes, and other structures will be recorded and evaluated. Debris and recyclable materials are to be disposed of in accordance with Item 7.0. The operator is to ensure that sites are leveled and backfilled to adjacent ground level and revegetated according to Items 10.0 and 11.0. Any fill required will be generated from onsite materials or furnished by an off-site source and must be clean, compactable fill. All disturbed areas must be graded and raked free of debris. Exhibit L—Reclamation Costs provides costs for dismantling and demolishing structures, including a $425,000 offset assumed for the sale of processing equipment post-mining. Item 7.0 Debris Removal This item covers off-site disposal of debris materials that are encountered during Item 6.0 Structure Dismantling and Demolition. This task assumes up to 40 truckloads (10 tons/load) will be hauled from the site to a licensed disposal facility. Debris is considered to be non- contaminated and non-hazardous, consisting mostly of construction materials (concrete, rebar, lumber, drywall) and recyclable metal scrap materials. September 2021 1 34