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Attachment for Exhibit L
<br /> Inouye- Gravel Mine- Reclamation Cost Estimate
<br /> Activity Quantity Units Unit Costs Cost
<br /> A. Phase 1
<br /> 1 Final grade and place 6"of topsoil on the entire disturbed area 15,324 CY $ 1.05 $ 16,089.68
<br /> 2 Seed and mulch 19 00 Acres $ 977.00 $ 18,563.00
<br /> 3 Scarify ground 19.00 Acres $ 150.00 $ 2,850.00
<br /> 5 Backfill Silt Storage above Water Surface Elevation(9'to groundwater) 199,100 tons $ 0 50 $ 99,550.00
<br /> Subtotal $ 137,052.68
<br /> B. Phase 2a
<br /> 1 Final grade and place 6"of topsoil on the entire disturbed area 4,033 CY $1.05 $ 4,23413
<br /> 2 Seed and mulch 5.00 Acres $977.00 $ 4,885.00
<br /> 3 Scarify ground 5.00 Acres $150.00 $ 750.00
<br /> 4 Spillways(includes pyramat,revegetation and riprap) 2.00 EA $35,000.00 $ 70,000.00
<br /> Subtotal $ 79,869.13
<br /> C. Phase 2b
<br /> 1 Final grade and place 6"of topsoil on the entire disturbed area 4,033 CY $1.05 $ 4,234.13
<br /> 2 Seed and mulch 5.00 Acres $977.00 $ 4,885.00
<br /> 3 Scarify ground 5.00 Acres $150.00 $ 750.00
<br /> 4 Spillways(includes pyramat,revegetation and riprap) 2.00 EA $35,000.00 $ 70,000.00
<br /> Subtotal $ 79,869.13
<br /> D. Phase 3
<br /> 1 Final grade and place 6"of topsoil on the entire disturbed area 4,033 CY $1.05 $ 4,23413
<br /> 2 Seed and mulch 5.00 Acres $977.00 $ 4,885.00
<br /> 3 Scarify ground 5.00 Acres $150.00 $ 750.00
<br /> 4 Spillways(includes pyramat,revegetation and riprap) 2.00 EA $35,000.00 $ 70,000.00
<br /> Subtotal $ 79,869.13
<br /> F. Processing Area. Sand,gravel,concrete and asphalt materials are a
<br /> commodity and therefore no cost would be incurred for reclamation. In
<br /> addition,the mobile sales office and scale will have a value that would
<br /> offset any cost for reclamation.
<br /> 1 Move serge piles into settling/silt pond 1,000 CY $ 1.05 $ 1,050.00
<br /> 2 Remove concrete pad for concrete plant 8 CY $ 65.00 $ 520.00
<br /> 3 Remove concrete pad for asphalt plant 8 CY $ 65.00 $ 520.00
<br /> 4 Remove concrete pad for recycling plant 5 CY $ 65.00 $ 325.00
<br /> 5 Remove concrete footings for office 10 CY $ 65.00 $ 650.00
<br /> 6 Remove concrete base for scale 5 CY $ 65.00 $ 325.00
<br /> 7 Scarify ground 2.6 Acres $ 150.00 $ 390.00
<br /> 8 Spread 6"topsoil 2,097 CY $ 1.05 $ 2,201.75
<br /> 9 Seed and Mulch 2.6 Acres $ 800.00 $ 2,080.00
<br /> Subtotal $ 8,061.75
<br /> G.
<br /> Slurry Wall-Assuming a total of 9,936 If of wall,assumed depth of 40'+3'
<br /> into base
<br /> 1 Excavation,Materials and Labor and Dewatering 427,248 Face Ft $ 4.30 $ 1,837,166.40
<br /> Subtotal $ 1,837,166.40
<br /> Total Disturbance Costs $ 2,221,888.20
<br /> Indirect Costs
<br /> Overhead&Profit
<br /> Performance Bond(2.02%)-Based on DRMS estimate $ 44,882 14
<br /> Performance Bond(3.07%)-Based on DRMS estimate $ 23,329.83
<br /> Job Superintendent(240 hours @$75/hr)-Based on DRMS estimate $ 18,000.00
<br /> Contractor Mob and DeMob(3%)-Based on DRMS estimate $ 66,656.65
<br /> Contractor Overhead and Profit(10%)-Based on DRMS estimate $ 222,188.82
<br /> Subtotal $ 375,057.43
<br /> Contract Amount(direct+0&P) $ 2,596,945.63
<br /> Legal,Engineering&Project Management
<br /> Financial warranty processing(legal/related costs)($500) $ 500.00
<br /> Engineering Work and/or contract/bid preparation(4.25%) $ 110,370.19
<br /> Reclamation management and/or administration(5%)-Based on DRMS estimate $ 129,847.28
<br /> Contingency(3%) $ 66,656.65
<br /> Subtotal $ 307,374.12
<br /> otal Indirect Costs $ 682,431.55
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