2018-10-22_REVISION - M2008078 (15)

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J&T Consulting, Inc. Prowers Aggregate Operators LLC West Farm Pit 8/21/2018 FReclamation Bond Quantities and Costs Consnithm Inc. Summary of Unit Costs (Taken from TR 3 Bond Calculation by DRMS) Direct costs Full Cost Scarifying Ground $321 55 /acre Re-applying topsoil 12"thick $2,541.03 /acre Revegetating disturbed area $1,100 32 /acre Mobilization $13,592 00 lump sum Slurry Wall Cost Breakdown(0-50 ft(a)$3/ft-51-70 ft Ccil$4/ft 1 20%Cost Slurry Wall Cost(45 foot average depth) $135 /linear foot Slurry Wall Cost(60 foot average depth) $240 /linear foot $48 /linear foot Slurry Wall Cost(70 foot average depth) $280 /linear foot $56 /linear foot Overhead and Profit Costs Liability insurance 2 02% of direct cost Performance bond 1.05% of direct cost Profit 10 00% of direct cost Total Overhead Cost 13 07% of direct cost Project Management Engineering and bidding 2 00% of direct cost Management and administration 5 00% of direct cost Total Additional Cost 7 00% of direct cost Disturbed Areas(Sediment Ponds,Roadside Ditch, Parking Area) ec amation Operation Quantity Unit Unit Cost Costi Sediment Ponds Scarify Ground in Disturbed Area 2.01 ac $322 $646 Topsoil Disturbed Area 2.01 ac $2,541 $5,107 Revegetate Disturbed Area 201 ac $1,100 $2,212 Roadside Ditch Scarifying Ground in Disturbed Area 054 ac $322 $174 Topsoil Placement in Disturbed Area 054 ac $2,541 $1,372 Revegetate Disturbed Area 054 ac $1,100 $594 Parking Area Scarifying Ground in Disturbed Area 081 ac $322 $260 Topsoil Placement in Disturbed Area 081 ac $2,541 $2,058 Revegetate Disturbed Area 081 ac $1,100 $891 Total Direct Cost $13,315 Overhead and Profit Cost(13.07%) $1,740 Contract Cost $15,056 Project Management(7 00%) $932 Financial Warranty Required For Disturbed Areas $15,988 1 of 5