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Rifle Gravel Pit#1 May 2023 <br /> 1.0 General Operation Information <br /> IHC Scott, Inc. (Scott) is applying for a Division of Reclamation, Mining and Safety(DRMS) <br /> Construction Material, Regular(112) Operation Reclamation Permit for the Rifle Gravel Pit <br /> #1. <br /> Scott(Applicant) is proposing to construct a new gravel pit in Garfield County, Colorado, <br /> approximately 1-mile northeast of the City of Rifle. The project would be a new <br /> development, located on the site of an existing mix of upland and formerly irrigated pasture. <br /> The Applicant is proposing partial development of the lot, with the intention of confining the <br /> pit infrastructure only to upland portions of the property (generally the eastern portion), and <br /> entirely avoiding direct impacts to jurisdictional wetlands and Waters of the United States <br /> (WoUS), located primarily on the western portion of the property. The proposed mining will <br /> occur over a three-to-five-year timeframe. <br /> The subsurface conditions are typical of gravel pits and aggregate mines in the Colorado <br /> River floodplain with the surface layers consisting of approximately 6 inches of topsoil, <br /> underlain by one (1)to seven (7)feet of alluvially deposited fine sediments(primarily silts <br /> and clays). This overburden covers between seventeen (17)and twenty-two (22)feet of <br /> alluvial gravels that are the target of the extraction operation. Shallow groundwater, <br /> connected to the water table of the Colorado River, saturates the gravels, and is generally <br /> present throughout the project site at a depth of between one and one-half(1.5) and five (5) <br /> feet below the surface. <br /> Attachment A includes a set of drawings that depict information required as part of this <br /> DRMS 112 Permit, the Garfield County Land Use Permit, and other regulatory information. <br /> Note some information included in these drawings is specific to the requirements of Garfield <br /> County and other permitting agencies, in addition to the DRMS permit requirements. <br /> 1.1 Applicant/Operator <br /> IHC Scott, Inc. <br /> Tony Roberts <br /> 10303 East Dry Creek Road, Suite 300 <br /> Centennial, Colorado 80112 <br /> troberts@ihcscott.com <br /> 1.2 Operation Name (pit, mine or site name) <br /> Rifle Gravel Pit#1 <br /> 1.3 Permitted Acreage <br /> 1.3.1 New DRMS 112 Permit <br /> The Rifle Pit#1 Property Boundary (parcel) is 58.7 acres. The Permitted Area is 19.63 <br /> acres. The Affected Lands is 19.00 acres. See Section 2.0— Legal Description for further <br /> explanation. Figure 2, Exhibit B depicts the Permitted Area, Affected Lands, and 200-foot <br /> offset from Affected Lands. <br /> 1 <br />