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TABLE 3
<br /> OPINION OF COST
<br /> PLATTE VALLEY RESERVOIR NO. 1
<br /> ALTERNATIVE 2
<br /> 3:1 SLOPES WITH RIPRAP-RESERVOIR VOLUME 531 A-FT.
<br /> Item No. Description Qty Units Unit Price Amount
<br /> 1 Mobilization,Insurance,Bonds I L.S. $ 92,311 $ 92,311
<br /> 2 Dam Construction
<br /> Stripping 65 Acres $ 1,000.00 $ 65,000
<br /> Reservoir Excavation 479985 C.Y. $ 1.20 $ 575,982
<br /> Embankment Fill 73000 C.Y. $ 2.00 $ 146,000
<br /> Core Trench Excavation 23000 C.Y. $ 1.50 $ 34,500
<br /> Core Trench Fill 23000 C.Y. $ 1.50 $ 34,500
<br /> Clay Liner 56467 C.Y. $ 1.50 $ 84,700
<br /> Spoil 294221 C.Y. $ 0.75 $ 220,666
<br /> Riprap 22000 Tons $ 28.00 $ 616,000
<br /> Riprap Bedding 7400 Tons $ 24.00 $ 177,600
<br /> Top Soil&Seeding 23 Acres $ 2,500.00 $ 56,560
<br /> Dam Crest Gravel 2141 Tons $ 22.00 $ 47,109
<br /> 3 Ditch Control Structure
<br /> Excavation&Backfill 250 C.Y. $ 10.00 $ 2,500
<br /> Concrete 85 C.Y. $ 525.00 $ 44,625
<br /> Riprap 150 Tons $ 28.00 $ 4,200
<br /> Riprap Bedding 50 Tons $ 24.00 $ 1,200
<br /> Gates 3 Ea $ 15,000.00 $ 45,000
<br /> 4 Dam Outlet&Spillway
<br /> Outlet Pipe(48"RCP) 100 L.F. $ 400.00 $ 40,000
<br /> Gate/Operator/Thimble 1 L.S. $ 20,000.00 $ 20,000
<br /> Inlet Structure 40 C.Y. $ 600.00 $ 24,000
<br /> Walkway/Grates/Handrail 1 L.S. $ 20,000.00 $ 20,000
<br /> Riprap 0 Tons $ 28.00 $ -
<br /> Riprap Bedding 0 Tons $ 24.00 $ -
<br /> 5 Ditch Relocation
<br /> Stripping 6 Acres $ 1,000.00 $ 6,000
<br /> Cofferdam Construction 1 L.S. $ 1,500.00 $ 1,500
<br /> Dewatering 60 Days $ 250.00 $ 15,000
<br /> Excavation 10000 C.Y. $ 2.00 $ 20,000
<br /> Fill 34000 C.Y. $ 2.00 $ 68,000
<br /> Seepage Control&Cutoff Excavation 4000 C.Y. $ 2.00 $ 8,000
<br /> Riprap 236 Tons $ 28.00 $ 6,611
<br /> Riprap Bedding 118 Tons $ 24.00 $ 2,832
<br /> Top Soil&Seeding 3 Acres $ 2,500.00 $ 7,500
<br /> 6 Bifurcation Structure
<br /> Demolition/Repair I L.S. $ 5,000.00 $ 5,000
<br /> Concrete 85 C.Y. $ 525.00 $ 44,625
<br /> FRICO Gates 2 L.S. $ 18,000.00 $ 36,000
<br /> Evans No.2 Gate-Refurbish Gate 1 L.S. $ 3,000.00 $ 3,000
<br /> 18"Head Gate 1 L.S. $ 1,000.00 $ 1,000
<br /> Headgate Headwall 1 C.Y. $ 525.00 $ 525
<br /> 18"RCP 25 L.F. $ 40.00 $ 1,000
<br /> Parshall Flume&Headwall 1 L.S. $ 1,500.00 $ 1,500
<br /> Riprap 115 Tons $ 28.00 $ 3,220
<br /> Riprap Bedding 40 Tons $ 24.00 $ 960
<br /> 7 Measuring Structures-Three 15'Parshall Flumes
<br /> Concrete 204 C.Y. $ 500.00 $ 102,000
<br /> Excavation&Backfill 900 C.Y. $ 15.00 $ 13,500
<br /> Riprap 300 Tons $ 28.00 $ 8,400
<br /> Riprap Bedding 100 Tons $ 24.00 $ 2,400
<br /> 8 Site Work
<br /> Cap Exiting Wells 2 L.S. $ 2,500.00 $ 5,000
<br /> Move Existing Gas Lines 75 L.F. $ 150.00 $ 11,250
<br /> Remove Power Line 1 L.S. $ 2,500.00 $ 2,500
<br /> TOTAL CONSTRUCTION COST $ 2,729,777
<br /> 15%Contingency $ 409,466
<br /> Engineering,Surveying $ 275,000
<br /> Land Aquisition $ 309,360
<br /> TOTAL COST $ 3,723,603
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