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GP Aggregates LLC <br /> J&T Consulting, Inc. <br /> West Farm Pit <br /> 8/15/2014 <br /> !Ail; <br /> amation Bond Quantities and Costs <br /> 14 j&T Consulting,Inc. <br /> Summary of Unit Costs <br /> Direct costs Full Cost <br /> Scarifying Ground $ 200 /acre <br /> Re-applying topsoil 12"thick $ 2,000 /acre <br /> Revegetating disturbed area $ 1,000 /acre <br /> Mobilization $ 2,500 lump sum <br /> Slurry Wall Cost Breakdown(0-50 ft Cot$3/ft-51-70 ft $4/ft) 20%Cost <br /> Slurry Wall Cost(45 foot average depth) $ 135 /linear foot $ 27 /linear foot <br /> Slurry Wall Cost(50 foot average depth) $ 150 /linear foot $ 30 /linear foot <br /> Slurry Wall Cost(60 foot average depth) $ 190 /linear foot $ 38 /linear foot <br /> Slurry Wall Cost(65 foot average depth) $ 210 /linear foot $ 42 /linear foot <br /> Slurry Wall Cost(70 foot average depth) $ 230 /linear foot $ 46 /linear foot <br /> Overhead and Profit Costs <br /> Liability insurance 1.55% of direct cost <br /> Performance bond 1.05% of direct cost <br /> Profit 10.00% of direct cost <br /> Total Overhead Cost 12.60% of direct cost <br /> Project Management <br /> Engineering and bidding 4.25% of direct cost <br /> Management and administration 5.00% of direct cost <br /> Total Additional Cost 9.25% of direct cost <br /> Phase 1A(59.81 acres)(Limited to Surface Mining In PH 1-4 Area Above Groundwater Level) <br /> Reclamation Operation Quantity Unit Unit Cost Cost I <br /> Active Mining Area(Surface only in PH 1 Area) <br /> Scarifying Ground in Disturbed Area 9.3 ac $ 200 $ 1,850 <br /> Topsoil Placement in Disturbed Area 9.3 ac $ 2,000 $ 18,500 <br /> Revegetate Disturbed Area 9.3 ac $ 1,000 $ 9,250 <br /> Active Mining Area(Surface only in PH 2 Area) <br /> Scarifying Ground in Disturbed Area 9.1 ac $ 200 $ 1,822 <br /> Topsoil Placement in Disturbed Area 9.1 ac $ 2,000 $ 18,220 <br /> Revegetate Disturbed Area 9.1 ac $ 1,000 $ 9,110 <br /> Active Mining Area(Surface only in PH 3 Area) <br /> Scarifying Ground in Disturbed Area 9.8 ac $ 200 $ 1,962 <br /> Topsoil Placement in Disturbed Area 9.8 ac $ 2,000 $ 19,620 <br /> Revegetate Disturbed Area 9.8 ac $ 1,000 $ 9,810 <br /> Active Mining Area(Surface only in PH 4 Area) <br /> Scarifying Ground in Disturbed Area 9.6 ac $ 200 $ 1,920 <br /> Topsoil Placement in Disturbed Area 9.6 ac $ 2,000 $ 19,200 <br /> Revegetate Disturbed Area 9.6 ac $ 1,000 $ 9,600 <br /> Temporary Stockpile Areas(Surface only in Phase 13) <br /> Scarifying Ground in Disturbed Area 11.6 ac $ 200 $ 2,322 <br /> Topsoil Placement in Disturbed Area 11.6 ac $ 2,000 $ 23,220 <br /> Revegetate Disturbed Area 11.6 ac $ 1,000 $ 11,610 <br /> Temporary Stockpile Areas(Surface only in Stockpile Area and Access Road) <br /> Scarifying Ground in Disturbed Area 10.4 ac $ 200 $ 2,086 <br /> Topsoil Placement in Disturbed Area 10.4 ac $ 2,000 $ 20,860 <br /> Revegetate Disturbed Area 10.4 ac $ 1,000 $ 10,430 <br /> Mobilization 1.00 Is $ 2,500 $ 2,500 <br /> Total Direct Cost $ 193,892 <br /> Overhead and Profit Cost(12.60%) $ 24,430 <br /> Contract Cost $ 218,322 <br /> Project Management(9.25%) $ 17,935 <br /> Total Required Financial Warranty For Phase 1A <br /> $ 236,257 <br /> 1 of 7 <br />