2024-04-30_REVISION - M2015033 (14)

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14 6.4.4 EXHIBIT D — Mining Plan along the terminus of the upper terrace of the historic floodplain of St. Wain Creek, operations will not impact the active FEMA designated floodplain. The general direction of extraction activities over the Tracts is from north to south, as shown on Exhibit C-2 - Extraction Plan Map. No extraction will occur within 125 feet of a residential structure, or ten feet of any other structure, property boundary, right-of-way, or easement without written agreement with the owner of said structure. These setbacks supersede any representation of the extraction limits shown on Exhibit C-2: Extraction Plan Map. Extraction activities will be limited to within 25.0± feet of well heads and facilities, and those same wellheads will be backfilled to create a 100± foot radius around the well head for future oil and gas activities at that well head. The fill around well heads will occur concurrently with extraction around the well head and facilities, to the extent practical. At all times, safety will take precedent and over-ride as necessary any element of the permit to assure protection of life and property and compliance with federal safety regulations (MSHA). Changes resulting from a safety consideration that require a modification of the approved permit will be made after the fact respective of amendment or technical revision provisions of the Office of Mined Land Reclamation (OMLR). Initially, heavy equipment (typically, scrapers, dozers, or excavators operating alone or in combination) will extract soil, placing it along the basin perimeter in the construction of up to a five (5.0±) foot high visual berm. The berm may vary in height and width. Outslopes of the berm will be 3H:1 V or flatter to aid establishment of grasses and utilizing the approved seed mixture. Where necessary to aid in access along the perimeter of the pit or completed reservoir, the berms may be increased in width to better facilitate the access of vehicles or heavy equipment. The height and width of the berm will be field fit at the time of placement and will not go beyond permit limits. While the berm width will vary, they will fit within the ten (10.0±) foot buffer between the permit boundary and any planned extraction; and where wider, will extend into the basin area conforming to 3H:1 V minimum outslopes. To the extent possible, the height of berms will near five (5.0±) feet along the perimeter where a residential structure is within 125.0± feet from active extraction operations. Soils volumes extracted in excess of that needed for reclamation may be temporarily stockpiled as part of the berms, elsewhere on-site, or conveyed to nearby Kurtz or Heintzelman Projects, until sold as product. It should be understood that there is no 'overburden' at this location, as all materials are viable product or useful component to the reclamation of affected lands and establishment of the desired end uses. Subsequent to soil salvage, extraction of aggregate will commence. Extraction utilizes, but is not limited to, diverse heavy equipment; including, scrapers, excavators, dozers, backhoes, and related heavy equipment. The raw material will be transported by heavy equipment or haul trucks to on-site plant facilities. RAPTOR MATERIALS, LLC. PARCEL 122- RESOURCE DEVELOPMENT PROJECT APRIL 2024 A REGULAR IMPACT[1121 CONSTRUCTION PERMIT APPLICATION-COLORADO DIVISION OF RECLAMATION,MINING&SAFETY TECHNICAL REVISION 03