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Colorado Inactive Mine Reclamation Program <br /> CLOSEOUT REPORT <br /> ACTIVE MINE BOND FORFEITURE PROJECTS <br /> PERMIT INFORMATION <br /> Permit Number Operator Name Mine Name <br /> M-1981-286 RWT Excavating & Thomas Gravel Pit#4 <br /> Demolition, LLC <br /> Type of Mine: 112c- Construction Regular Operation Commodity- Sand & Gravel <br /> PRE-RECLAMATION SITE CONDITIONS <br /> The Thomas Gravel Pit#4 is located approximately 4.5 miles east of Keota in Weld County, Colorado. The 112c <br /> permit was issued to RWT Excavating & Demolition, LLC in 1981 for a permit area of 87.6 acres. In May of <br /> 2020, the Mined Land Reclamation Board issued a violation to RWT Excavating & Demolition, LLC for failure to <br /> submit the Annual Fees, Annual Reports and Annual Maps for 2019. The Operator failed to correct the <br /> violations. As a result, the permit was revoked and the bond money in the amount of$25,000.00 was forfeited. <br /> BIDDING/CONSTRUCTION INFORMATION <br /> Type of Bid Documented Quote Purchase Order <br /> (circle one) Invi a i i _ Direct Bill <br /> PO Number: Contractor Name &Address: Construction Bond Amount (after 5% <br /> PKAA,202200009955 Dates: administrative fee removed): <br /> Studio 7 North, Inc. $23,750.00 <br /> 8431 Warhawk Rd. Start: 03/21/2022 <br /> Conifer, CO 80433 • Labor $60,600.00 <br /> End: 04/29/2022 Total Project Cost: $60,600.00 <br /> Bond Cost: $23,750.00 <br /> Bond Sev Tax Cost: $36,850.00 <br /> Construction Work Description <br /> The permit required the mine slopes be reclaimed to 3HAV using existing site soils and topsoil and to remove all <br /> site structures. Because of the insufficient amount of bond to reclaim the site, the only feasible option was to reclaim <br /> 1,400 linear feet of dangerous highwall, grade approximately 15 acres of the pit floor then revegetate the disturbed <br /> pit floor and slopes. A reclamation seed mixture, containing grass, forb and shrub species common to the area, <br /> was specified and purchased by the contractor. Arnolds Ag Group, LLC a subcontractor of Studio 7 North drill <br /> seeded the mixture over all disturbed areas. Straw mulch was disked into the pit floor and hydro-mulch was applied <br /> to the reclaimed slopes. <br /> Remaining Reclamation Requirements and Estimated Cost: Remaining reclamation work includes grading <br /> down the remaining highwalls and piles, removal of debris, trash, equipment and structures as well as <br /> revegetation of approximately 30 acres and control of noxious weeds at the site. Estimated cost to complete the <br /> remaining items is $175,000. <br /> Por ect Manager Senior Project Manager <br /> Date: May 15, 2022 Date <br /> 1 <br />