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Attachment for Exhibit L <br />ParkerlDersham Resource -Table for Reclamation Cost Estimate <br />Activity Quantity Units Unit Costs Cost <br />A. Phase 1 •100% mined and 90% reclaimed • approximately 7.4 acres of <br />disturbance. If disturbed, the concrete Irrigation ditch will have been <br />replacedlrelocated. Phase 1 will he complefefy backfilled and require <br />final shapinglgrading, topsoil placement, seed and mulch. <br />1 Final grade and place 6" of topsoil on the en8re disturbed area 5,969 CY $ 0.75 $ 4,477.00 <br />2 Seed and mulch T.4 Acres $ 800.00 $ 5,920.00 <br />A. Phase 2.95% mined and 0°k reclaimed. Phase 2 will require 100% <br />backfill with overhurden material, shapinglgrading, topsoil placement, <br />seed and mulch. <br />1 Backfill mine area using overburden and shape to pre-mining grade 542,080 CY $ 0.75 $ 406,560.00 <br />3 Replace 6' of topsoil on the entire disturbed area 9,035 CY $ 0.75 $ 6,776.00 <br />4 Seed and mulch 1 f.2 Acres $ 800.00 $ 8,960.00 <br />C Dewatering trench would be excavated to the mining area pit bottom <br />elevation. Dewatering pumps and tanks are acommodity. --- - - - <br />D. Phase 3 -Would be not be mined et -- - - - <br />E. Reclaim Stockpile Areas • 3 acres <br />1 Scarify ground 3.0 Acres $ 150.00 $ 450.00 <br />2 Replace 6" of topsoil 2,420 CY $ 0.75 $ 1,815.00 <br />3 Seed and mulch 3.0 Acres $ 800.00 $ 2,400.00 <br />F Landscape Sales Area. Landscaping materials are a commodity and <br />therefore no cost would be incurred for reclamation. In addition, the <br />mobile sales office and scale will have a value that would offset any <br />cost for reclalmatlon. <br />1 Remove concrete footings for office 8 CY $ 65.00 $ 520,00 <br />2 Remove concrete base for scale 10 CY $ 65.00 $ 650.00 <br />3 Scadfygrcund 5.5 Acres $ 150.00 $ 825.00 <br />4 Spread 6"topsoil 4,437 CY $ 0.75 $ 3,327.50 <br />5 Seed and Mulch 5.5 Acres $ 800.00 $ 4,400.00 <br />G. Slurry Wall @ 20% Installation Cost per DMG Bonding Requirement. <br />Assuming a total of 3280 If of wall, assumed depth of 30' + 3' Into <br />base <br />1 Excava8on, Materials and Labor and Dewatering 21,648 Face Ft $ 3.00 $ 64,944.00 <br />Total Disturbance Costs $ 512,024.50 <br />Liability Insurance and Performance Bond (2:60%) -Based on DMG estimate $ 13,312.64 <br />Contractor Overhead and Profit (10%) -Based on DMG estimate $ 51,202.45 <br />Contractor MobilizaBoNDemobilization $ 25,601.23 <br />Administratlon 5% - Based on DMG estimate $ 25,601.23 <br />Total $ 627,742.04 <br />Hall-Irwin Corporation Exhibit L Attachment <br />ParkerlDersham Resource MLRB 112 Application <br />