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Page Title:
Table C20. Alternative 3: Hydraulic Dredging, Sand Separation, Dewatering and CDF Placement of Fines, Engineering Costs |
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 ERDC TN-DOER-C27
July 2002
Table C20
Alternative 3: Hydraulic Dredging, Sand Separation, Dewatering and CDF
Placement of Fines, Engineering Costs
Engineering Costs, Alternative 3
Dura-
tion
Total
tons/
yr
cy/yr
Total $
$/yr
Cost Item
$/ton
$/cy
tons
yr
Total cy
Hyd Dredging Cost1
$4
0
775,000
2
387,500
$3,100,000
$1,550,000
1
$7
0
0
$0
Mech Dredging Cost
Mob/Demob
0
2
0
$1,000,000
$500,000
Separation1
$15
0
0
$0
Separation/Dewatering1
$25
0
775,000
387,500
$9,687,500
Transportation2
$110
0
0
$0
Disposal2
$50
0
0
$0
Revenues from sale
-1
0
254,700
127,350
-127,350
$4,100,000
$11,610,150
Total:
CDF Construction
$6
0
$0
Capping
$2
0
$0
1
Based on in situ volumes or weights.
2
Based on processed volumes or weights.
Available Storage Capacity (cy)
1,800,000
Storage Capacity Consumed (cy)
309,863
Remaining Storage Capacity (cy)
1,490,137
Table C21
Alternative 3: Hydraulic Dredging, Sand Separation, Dewatering and CDF
Placement of Fines, Financial Costs (Interest Rate = 0.06375)
2001
2002
2003
Cubic Yards
0
387,500
387,500
$/yr
$11,610,150
$11,610,150
IDC (interest during construction)
$0
$1,527,479
$740,147
Cost/Year
$0
$13,137,629
$12,350,297
Total Financial Investment:
$25,487,926
CDF Construction included here if completely precedes dredging.
CDF and first-year dredging included here if they will both occur in the first year.
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