Laserfiche WebLink
04021 <br />Exhibit L -Reclamation Costs <br />Banks and Gesso, LLC <br />Asphalt Paving Company is requesting the 20% bonding option for slurry wall <br />installation, as detailed in the Division's "Guide to Specification Preparation for Slurry <br />Walls and Clay Liners as a Component of a Colorado Mined Land Reclamation Permit". <br />Asphalt Paving Company agrees to submit construction information via a Technical <br />Revision application prior to slurry wall installation. <br />The cost estimate below is based on the maximum amount of disturbance that is <br />planned for this operation. There will not be more than 2,700 feet of highwall <br />unreclaimed at any given time, plus an additional 10 acres stripped in anticipation of <br />future mining. <br />TABLE L-1: Reclamation Cost Estimate <br />Item Quantity Unit Cost Total <br />Slurry Wall Installation (8,905 ft x 30 ft deep x <br />20% option) 267,150 ft3 $3.00 /ft3 $160,290 <br />Replace stripped topsoil in processing area <br />(31 acres max. x 12" deep) 50,000 yds3 $0.85! yd3 $42,500 <br />Backfill 2700' reservoir slopes to 3H:1 V 135,000 yds3 $0.85/ yd3 $114,750 <br />Topsoil replacement on slopes above water <br />line (12" x 40 feet x 2700 ft). 4,000 yds3 $0.85/ yd3 $3,400 <br />Replace topsoil in areas stripped in <br />anticipation of future mining (10 acres x 12") 16,200 yds3 $0.85/ yd3 $13,770 <br />Replace overburden in areas stripped in <br />anticipation of future mining (10 acres x 1.5 ft) 24,200 yds3 $0.85/ yd3 $20,570 <br />Seeding and mulching 43.5 acres $675 /acre $29,362 <br />Direct Cost $384,642 <br />Mobilzation/Demobilization (8%) $30,771 <br />Overhead (18.5%) $71,159 <br />Administration (5%) $19,232 <br />Total Proposed Financial Warranty $505,804 <br />Asphalt Paving Company October 11, 2005 <br />Wattenberg West Sand and Gravel Mine Page 23 <br />