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Page 15 <br /> 6.4.12 EXHIBIT L — Reclamation Costs <br /> remaining above the anticipated final water level. <br /> Establishment of Vegetation over Affected Lands: <br /> The demand for establishment of vegetation over the affected lands will also diminish <br /> proportionately with the planned extraction of the Tracts. For now, the total exposure <br /> is estimated as indicated above to be 45.44± acres at complete extraction (refer to resoil <br /> area, above): <br /> NOTE: The vegetation demand (and related costs) will decrease proportionately as <br /> extraction activities increase over each Tract of planned extraction. The seed mixture <br /> includes a substitute for mulch in the inclusion of a wheatgrass hybrid and is identical to <br /> the seed mix approved for the Two Rivers project (see back of this exhibit). <br /> $ 1,789.70± Preferred Seed Mix <br /> x 45.44± acres <br /> $ 81,323.97± Sub-Total Seed <br /> Assume a 50± percent failure and add half the expense back into the total for <br /> reseeding, or: <br /> $ 40,661.98± Sub-Total Re-seeding costs <br /> $ 121,985.95± Total Re-vegetation Expense <br /> Processina Area and Decommission ina: <br /> Raptor has estimated decommissioning costs for the Conveyor that will deliver mined material to that <br /> area. Decommissioning will involve the removal of the conveyor infrastructure and belting. <br /> The decommissioning cost estimate for the conveyor structure is based on previous estimates <br /> provided by Divide Construction for other Raptor (previously Varra) operations and presented in <br /> Financial Warranty estimates. The costs have been updated to current using US Army Corps of <br /> Engineers Civil Works Construction Cost Index System (CWCCIS) indices. <br /> The portion of the conveyor anticipated to be removed with the decommissioning of the P122 Pit <br /> includes the portion present within the P122 Pit's property boundary, as well as the alignment along <br /> the western property boundary (located within the P116 Pit's property), the elevated truss across <br /> County Road 28, and the section that parallels County Road 17 northward until the limit of the P115 <br /> property. The total length of the regular conveyor structure in 40-foot sections supported on concrete <br /> blocks is estimated to be 3,412± lin.ft. with an additional extended span elevated truss section 125- <br /> foot in length that crosses County Road 28. The conveyor has a width of 3 feet and a height of 6 feet. <br /> Decommissioning costs for the regular conveyor structure are estimated at $ 0.8/cu.ft. and for the <br /> elevated truss section at$9.57/SF. Concrete block removal is estimated at$6.89/ea. <br /> Concrete block removal: 3,412 lin.ft_ (1 block/40 ft) x$6.89/ea = $592.54 <br /> RAPTOR MATERIALS, LLC. PARCEL 122 RESOURCE DEVELOPMENT PROJECT APRIL 2024 <br /> A REGULAR IMPACT[112]CONSTRUCTION PERMIT APPLICATION-COLORADO DIVISION OF RECLAMATION, MINING&SAFETY <br /> TECHNICAL REVISION 03 <br />