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TABLE 7
<br />OPlNION OF COST
<br />PROSPECT RESERVOIR
<br />ALTERNATIVE 2
<br />REHABILITATE DAM 8 OUTLET
<br />Item No. Description Qty Units Unit Price Amount
<br />1 Mobilization, Insurance Bonds 1 L.S. $ 169,000 $ 169,000
<br /> Subtotal $ 169 000
<br />2 Repair Concrete Facing (100%)
<br /> Remove Concrete 4440 C.Y. $ 10.00 $ 44,400
<br /> Face Grading 2220 C.Y. $ 8.00 $ 17,760
<br /> Concrete Facing 4440 C.Y. $ 350.00 $ 1,554,000
<br /> Concrete Gradebeam 1185 C.Y. $ 250.00 $ 296,250
<br /> Caulk ~ Seal Joints 20000 L.F. $ 3.00 $ 60,000
<br />Subtotal $ 1 972 410
<br />3 Replace Outlet
<br /> Breach Excavation 19000 C.Y. $ 3.00 $ 57,000
<br /> Breach Backfill 19000 C.Y. $ 3.50 $ 66,500
<br /> Borrow Materials 3800 C.Y. $ 3.00 $ 11,400
<br /> Pipe: 48 inch ductile iron w/ concrete bedding 180 L.F. $ 750.00 $ 135,000
<br /> Inlet Structure
<br /> Concrete 30 C.Y. $ 600.00 $ 18,000
<br /> Gate, Thimble 1 Ea $ 20,000.00 $ 20,000
<br /> Hydaulic Operator & Controller 1 L.S. $ 18,000.00 $ 18,000
<br /> Gate Installation 1 L.S. $ 10,000.00 $ 10,000
<br /> Gate Stem 75 L.F. $ 110.00 $ 8,250
<br /> Concrete Grade Beam 10 C.Y. $ 600.00 $ 6,000
<br /> Outlet Structure 30 C.Y. $ 600.00 $ 18,000
<br /> Gage Rod 75 L.F. $ 30 $ 2,250
<br /> Repair Concrete D.S. Chute 100 C.Y. $ 550.00 $ 55,000
<br /> Toe Drain Repairs 1 L.S. $ 10,000.00 $ 10,000
<br /> D.S. Chute Excavation & Backfill 500 C.Y. $ 12.00 $ 6 000
<br />Subtotal $ 441,400
<br />4 Slope Modification - flatten D.S. slope
<br /> Stripping Topsoil 9 Acres $ 1,500.00 $ 14,000
<br /> Excavation 14814.8 C.Y. $ 4.00 $ 59,000
<br /> Fill 66000 C.Y. $ 3.00 $ 198,000
<br /> Borrow 79200 C.Y. $ 3.00 $ 237,600
<br /> Toe Drain Modifications
<br /> Raise Manholes 50 L.F. $ 250.00 $ 12,500
<br /> Replace Toe Drain 250 L.F. $ 40.00 $ 10,000
<br /> Electrical Changes 1 L.S. $ 5,000.00 $ 5,000
<br /> Seedin & To soil 9 Acres $ 2,500.00 $ 22 500
<br />Subtotal $ 558 600
<br />5 New Toe Drain & Blanket
<br /> Excavation 4000 C.Y. $ 6.00 $ 24,000
<br /> Dewatering 30 Days $ 250.00 $ 7,500
<br /> C33 Sand - Placed 8200 Tons $ 25.00 $ 205,000
<br /> No. 8 Gravel - Placed 4100 Tons $ 25.00 $ 102,500
<br /> 12" PVC Pi e 4000 L.F. $ 18.00 $ 72,000
<br />Subtotal $ 411000
<br />6 Dam Crest Gravel
<br /> Grading & Fill 3000 C.Y. $ 6.00 $ 18,000
<br /> Gravel 1600 Tons $ 22.00 $ 35 200
<br />Subtotal $ 53,200
<br />TOTAL CONSTRUCTION COST $ 3,606,000
<br />Note: Numbers Rounded to Nearest $1,000 15% ContingenCy $ 541,000
<br />Engineering, Surveying, 15% $ 541,000
<br />TOTAL COST $ 4,688,000
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