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Page 12 <br /> 6.4.12 EXHIBIT L - Reclamation Costs <br /> SUMMARY OVERVIEW: <br /> Table 1 -Primary Data on Area of Total Proposed Affected Lands and Reclaimed Features: <br /> Entity Central Field North-West Field Combined <br /> Extraction—finished basin (Acres) 180.76± 53.30± 234. 06± <br /> Static Water Area—surface(Acres) 168.94± 48.50± 217.44± <br /> Static Water Area—elevation (ft.) 4673 4675 <br /> Basin Lands Above Static Water 11. 82± 4.70± 16.52± <br /> Level (Acres) <br /> Basin Area Volume (cu.yds.) 9, 987, 145.79± 2,405,314.58± 12,393,460.37± <br /> Static Water Level Volume (Gallons) 2, 017, 144, 043.20± 485, 811, 069.46± 2,502, 955, 112. 66± <br /> Static Water Level Volume (Acre Feet) 6, 190.39± 1,490. 90± 7, 681. 83± <br /> Plant Processing Area (Acres) 15.7 6± <br /> Wash Pond Area (Acres) 5. 60± <br /> Total Lands Above Static Water 37. 98± <br /> Level Acres <br /> NOTE Well: All lands within the 409.234± acre permit area are considered as affected <br /> lands under C.R.S. 34-32.5-103(1) respective of this permit application and any <br /> subsequent permit revisions or amendments to the permit as originally approved. <br /> Previously affected ground prior to on-set of Operations under this permit will not be <br /> reclaimed under the terms of this permit unless otherwise re-affected beyond their <br /> original state. Public Lands and other easements and Right-of-Ways are offset from <br /> operations and while they may fall within the 409.234± acre parcel — are excepted from <br /> the permit conditions to the extent of their approved setbacks. <br /> The following estimates utilize assumptions based upon the pre-disturbed state of the <br /> application for purposes of determining estimated costs of reclamation and correlated <br /> financial warranty. Where appropriate, information is generalized and approximated <br /> from similar estimates determined by the Colorado Office of Mined Land Reclamation <br /> (OMLR), as indicated: <br /> RECLAMATION EXPOSURE: <br /> Based upon the Extraction and Reclamation Plans of this application, the status and trend <br /> of activities and affected land; and related calculations to estimate reclamation liability, <br /> are determined as follows. <br /> Please Note: Due to the difficulty of calculating heavy equipment costs similar to the <br /> Division's software program, unit costs from previous and reasonably current Division <br /> estimates of like or similar kind have been utilized to create a reasonably close estimate. <br /> The per unit basis from Division records are shown along with other sources used or <br /> referenced to determine unit costs, at the back of this exhibit. <br /> VARRA COMPANIES, INC. TWO RIVERS SAND GRAVEL AND RESERVOIR PROJECT MARCH 2O22 <br /> A REGULAR IMPACT[1121 CONSTRUCTION PERMIT APPLICATION-COLORADO DIVISION OF RECLAMATION MIING&SAFETY <br /> OFFICE OF MINED LAND RECLAMATION <br />