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Banks and Gesso, LLC <br />Exhibit L -Reclamation Costs <br /> <br />OCT 0 2 2000 <br />1 Icy of Ro ~~m <br />The cost estimate below is based on the maximum amount of Is fb nce~Rhaflt~i3"• <br />`H~t°~y end aareiy <br />planned for this operation. <br />The applicant is requesting the 20% bonding option for slurry wall installation, as <br />detailed in the Division's "Guide to Specification Preparation for Slurry Walls and Clay <br />Liners as a Component of a Colorado Mined Land Reclamation Permit". Lafarge N.A., <br />Inc., agrees to submit construction information via a Technical Revision application prior <br />to slurry wall installation. This bonding mechanism is not intended to preclude the option <br />of installing aclay-liner, should that technology prove more cost effective. <br />A contingency may be added for dedication of water rights for exposed groundwater (30 <br />acres at maximum disturbance) in the event that a slurry wall is not installed. <br />Item Amount Cost Total <br />Slurry Wall Installation (20,000 LF • 25 ft <br /> 500,000 CF $3.00/CF $1,500,000 <br />deep' 20% option) <br />Reseeding, Fertilizing, Mulching 479 acres $ 675/acre $ 323,325 <br />Berm Removal/Backfill and Topsoil <br /> 570,000 CY $ 0.85/CY $ 484,500 <br />Replacement <br />Mobilize/Demobilize Equipment 10 pieces $ 2,000 ea. $ 20,000 <br />Direct Cost $2,325,125 <br />Insurance, Performance Bond and Profit <br /> $ 348,770 <br />(15%) <br />Engineering/Project Management (10%) $ 232,510 <br />Total Cost $2,906,405 <br />Sundance Sand and Gravel Resource UtiU15 <br />Lafarge West, Inc. September 2006 <br />