|
<br />I
<br />
<br />I
<br />
<br />I
<br />
<br />Table 35. Alternative 2, Cooper Slough Reach 2 Quantities and
<br />cost Estimate for 50-Year Design Channel Improvement.
<br />
<br />I
<br />
<br />Table 36. Alternative 2, Cooper Slough Reach 2 Quantities and
<br />Cost Estimate for 100-Year Design Channel Improvement.
<br />
<br />,
<br />
<br />I
<br />
<br />I
<br />
<br />Quantity
<br />
<br />Unit Cost
<br />
<br />Total
<br />
<br />I
<br />
<br /> Total
<br />$ 108,900
<br /> 26,400
<br /> 224,400
<br /> 31,700
<br /> 20,000
<br /> 91,200
<br /> 44,000
<br /> 60,000
<br /> 360,000
<br />$ 966,600
<br /> 383,300
<br /> 132,000
<br /> 74,100
<br />$1,556,000
<br /> 118,100
<br /> 3,300
<br />$ 121,400
<br />
<br />Item Quantity Unit Cost
<br />Excavation 36,300 cubic yards $ 3
<br />Fill 13,200 cubic yards 2
<br />Trickle channel 6,600 linear feet 34
<br />Seeding 396,000 square feet 0.08
<br />Riprap 400 cubic yards 50
<br />Drop structure 2 each 45,600
<br />Culverts: 2 - 4' X 12' 40 linear feet 1,100
<br /> 3 4' x 10' 40 linear feet 1,500
<br /> 3 6' x 8' 200 linear feet 1,800
<br />
<br />I
<br />
<br />Item
<br />
<br />I
<br />
<br />I
<br />
<br />Excavation 62,700 cubic yards $ 3
<br />Fill 19,800 cubic yards 2
<br />Trickle channel 6,600 linear feet 34
<br />Seeding 528,000 square feet 0.08
<br />Riprap 400 cubic yards 50
<br />Drop structure 3 each 45,600
<br />Culverts: 3 - 4' x 10' 40 linear feet 1,500
<br /> 4 - 4' x 10' 40 linear feet 1,900
<br /> 3 - 6' x 8' 200 linear feet 1,800
<br />
<br />I
<br />
<br />I
<br />
<br />.
<br />
<br />I
<br />
<br />I
<br />
<br />I
<br />
<br />I
<br />
<br />I
<br />
<br />.
<br />
<br />TOTAL CONSTRUCTION COST
<br />
<br />I
<br />
<br />TOTAL CONSTRUCTION COST
<br />
<br />.
<br />
<br />Engineering & contingencies (35 percent of construction cost)
<br />
<br />.
<br />
<br />Engineering & contingencies (35 percent of construction cost)
<br />
<br />Land (13.2 acres @ $10,000)
<br />
<br />Land (16.5 acres @ $10,000)
<br />
<br />I
<br />
<br />Fiscal, legal and administration (5 percent of construction,
<br />nee ring & contingencies, &
<br />
<br />engi-
<br />land)
<br />
<br />I
<br />
<br />Fiscal, legal and administration (5 percent of construction, engi-
<br />neering & contingencies, & land)
<br />
<br />I
<br />
<br />TOTAL COST
<br />
<br />I
<br />
<br />TOTAL COST
<br />
<br />I
<br />
<br />Annual Cost: 50-year life, 7-3/8 percent
<br />
<br />'.
<br />
<br />Annual Cost: 50-year life, 7-3/B percent
<br />
<br />Operation and maintenance
<br />
<br />Operation and maintenance
<br />
<br />I
<br />
<br />TOTAL ANNUAL COST
<br />
<br />I
<br />
<br />TOTAL ANNUAL COST
<br />
<br />.
<br />
<br />.
<br />
<br />I
<br />
<br />I
<br />
<br />I
<br />
<br />I
<br />
<br />7B
<br />
<br />79
<br />
<br />.
<br />
<br />I
<br />
<br />$ 188,100
<br /> 39,600
<br /> 224,400
<br /> 42,200
<br /> 20,000
<br /> 136,800
<br /> 60,000
<br /> 76,000
<br /> 360,000
<br />$1,147,100
<br /> 401,500
<br /> 165,000
<br />
<br />85,700
<br />
<br />$1,799,300
<br />
<br />136,600
<br />
<br />3,300
<br />
<br />$ 139,900
<br />
|