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<br />TABLE 7
<br />COST ESTIMATE
<br />
<br />CARL SMITH DAM
<br />Alternative No.3 - Maintain Exist Dam
<br />Dam Crest @ Elevation 8252'
<br />
<br /> 2.5 to 1 Downstream Slone
<br /> UNIT
<br />ITEM DESCRIPTION OUANTlTY UNITS PRICE AMOUNT
<br />1. Mobilization, Insurance, Bonds 1.00 L.S. $63,980.00 $63,980
<br />2, Stripping 2.00 Acre $1,500.00 $3,000
<br />3, Dam
<br /> a. Excavation (D.S, failure zone) 8000.00 C.Y. $3.00 $24,000
<br /> b. Seepage Cutoff Trench Excavation 13000.00 C,Y. $2.50 $32,500
<br /> c. Embankment Fill 78000,00 C.Y. $3.50 $273,000
<br /> d. Borrow Material 85800.00 C,Y. $2.00 $171,600
<br /> e. Regrade Crest 1.00 L.S, $4,000.00 $4,000
<br /> f. U,S, Riprap 3400.00 TONS $20.00 $68,000
<br /> g. Toe Drain 1500.00 L.F, $20.00 $30,000
<br /> h. Drainage Blanket 6800.00 TONS $25.00 $170,000
<br />4. Outlet
<br /> a. Excavation 150.00 C.Y. $4.00 $600
<br /> b. Fill 200.00 C.Y. $4.00 $800
<br /> c. Pipe - 18" Dia.-concrete bedded 300.00 L.F. $160,00 $48,000
<br /> d, Intake Structure 12.00 C,Y. $550,00 $6,600
<br /> e. Gate/ Stem/Operator/Staff Gage 1.00 L.S, $26,000,00 $26,000
<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 1000.00 C.Y. $4,00 $4,000
<br /> b. Fill 500.00 C.Y. $4.00 $2,000
<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) 8.00 Acres $2,000.00 $16,000
<br />
<br />TOTAL CONSTRUCTION COST
<br />35% EngineeringlContingencylLegal
<br />OPINION OF TOTAL COST
<br />
<br />$977,980
<br />$342,293
<br />$1,320,273
<br />
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