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PROJECT IDENTIFICATION <br /> <br />Date : 02-Dec-09 Permit C-1994-08 Site: Yoast Mine <br />User: JRS State : Colorado <br />Task: 035 Filename: C082-035 County: Routt <br />Agency Name: Colorado Division Of Reclamation, Mining and Safety <br />Permit Action: Partial Phase I Bond Release SL-02 <br />Task Description: Construct Post-Mining Drainage C hannels <br /> <br />Channel L D W (bot) Slopes W (Top) V/LF V tot Riprap Slope L Surf Area Riprap V <br /> (ft) (ft) (ft) (X:1) (ft) (CY) (CY) (ft) (sf) CY <br /> <br />YPM-20 575 0.6 1.0 3.0 7.0 0.0889 51 3.06 4,093 76 <br />YPM-21 <br />YPM-21A YPM-21, 2 1A and 21B were constructed of TRM - These are a lso releasable in SL-02 so no cost is associated with them <br />YPM-21 B <br /> <br />Totals 8,435 2,883 146,439 2,712 <br /> <br />Materials Needed: Geotextile (SY): 16,271 Riprap (CY): 2,712 Excavation (CY): 2,883 <br /> <br />Material Costs: Geotextile (SY): $ 1.98 Riprap (CY): $ 51.05 Excavation (CY): $ 3.98 <br />Means Reference 31 25 13.10 0200 31 37 13.10 0100 31 23 16.13 0110 <br /> <br />Totals: Geotextile (SY): $ 32,216.55 Riprap (CY): $ 138,438.95 Excavation (CY): $ 11,474.19 <br /> <br />Hours: Geotextile (SY): 185.95 Riprap (CY): 349.91 Excavation (CY): 85.42 <br /> 87.5 SY/HR 7.75 CY/HR 33.75 CY/HR <br /> <br />TRM Cost: leased - SL-02 $ - <br /> <br /> <br /> <br /> <br /> <br />Total Post-Mining Channel Reconstruction hours: 621.29 <br />Total Post-Minn Channel Reconstruction Cost: $ 182,129.68 <br />jrs Page 2 of 2 03-12-09