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<br />TABLE 8
<br />COST ESTIMATE
<br />
<br />CARL SMITH DAM
<br />Alternative No.4 - Increase Dam Height
<br />Dam Crest @ Elevation 8267'
<br />3
<br />
<br /> : 1 Uostream & Downstream Slones
<br /> UNIT
<br />ITEM DESCRIPTION OUANTITY UNITS PRICE AMOUNT
<br />1. Mobilization, Insurance, Bonds 1.00 L.S. $212,614.50 $212,615
<br />2. Stripping 6.00 Acre $1,500.00 $9,000
<br />3. Dam
<br /> a. Excavation (D.S. failure zone) 8000.00 C.Y. $3,00 $24,000
<br /> b. Seepage Cutoff Trench Excavation 52000.00 C,Y, $2.50 $130,000
<br /> c. Embankment Fill 522000,00 C.Y. $2.50 $1,305,000
<br /> d, Borrow Material 574200.00 C,Y. $1.75 $1,004,850
<br /> e. V.S, Riprap 8500.00 c.y, $18,00 $153,000
<br /> f. Toe Drain 3000,00 L.F. $20.00 $60,000
<br /> g. Drainage Blanket 6800.00 TONS $25.00 $170,000
<br />4. Outlet (410')
<br /> a. Trench Excavation 300.00 C.Y. $4.00 $1,200
<br /> b, Fill 300,00 C,Y. $4,00 $1,200
<br /> c. Pipe - 18"Dia.-concrete bedded 410.00 L.F. $160.00 $65,600
<br /> d. Intake Structure 12.00 C.Y. $550.00 $6,600
<br /> e. Gate/ StemlOperator/StaffGage 1.00 L.S. $33,000.00 $33,000
<br /> f. Outlet Headwall 10.00 c.y. $450.00 $4,500
<br /> g. Riprap 50.00 TONS $20,00 $1,000
<br /> h. Bedding 25.00 TONS $30.00 $750
<br />5. Grout Existing 14" Outlet
<br /> a. Grout 9.00 C.Y. $600.00 $5,400
<br />6, Spillway (50' crest @ 6: 1 slopes)
<br /> a, Excavation 500,00 C.Y. $4,00 $2,000
<br /> b. Fill 1500.00 C,Y, $4.00 $6,000
<br /> c. Concrete Wall 35.00 C.Y. $350.00 $12,250
<br /> d. Riprap 500.00 TONS $20.00 $10,000
<br />7. Seeding (hydroseed) 16.00 Acres $2,000,00 $32,000
<br />
<br />TOTAL CONSTRUCTION COST
<br />35% Engineering/Contingency
<br />OPINION OF TOTAL COST
<br />
<br />$3,249,965
<br />$1,137,488
<br />$4,387,452
<br />
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