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TABLE 7. RECONNAISSANCE LEVEL OPINION OF COST (± 50%)
<br /> LONG HOLLOW DAM AND RESERVOIR (5,400 AF)
<br /> Quantity Unit Unit Price Cost Total
<br /> ($) ($) ($)
<br /> Preparation for Construction
<br /> Mobilization/demobilization 1 L.S. 100,000 100,000
<br /> Sediment and erosion control 1 L.S. 50,000 50,000
<br /> Water control and dewatering 1 L.S. 40,000 40,000
<br /> Coffer dam 1 L.S. 100,000 100,000 290,000
<br /> Site Work
<br /> Clear and grub 36,000 C.Y. 5 180,000
<br /> Instrumentation 1 L.S. 50,000 50,000
<br /> Road base 1,000 C.Y. 25 25,000 255,000
<br /> Earthwork
<br /> Rock from spillway 250,000 C.Y. 5 1,250,000
<br /> Earth fill and filter 350,000 C.Y. 5 1,750,000
<br /> Cutoff trench 10,000 C.Y. 12 120,000
<br /> Toe drain 400 L.F. 60 24,000 3,144,000
<br /> Outlets Works
<br /> Pipe, 60 inch with encasement 620 L.F. 600 372,000
<br /> Tower, valve, and housing 1 L.S. 300,000 300,000
<br /> Energy dissipation basin 1 L.S. 50,000 50;000 722,000
<br /> Spillway and Chute
<br /> Rock cut 250,000 C.Y. 30 7,500,000
<br /> Spillway with gate 1 L.S. 1,000,000 1,000,000
<br /> Energy dissipation 1 L.S. 100,000 100,000 8,600,000
<br /> Capital Costs, Subtotal 13,011,000
<br /> Geotechnical 200,000
<br /> Engineering design (10 percent) 1,301,000
<br /> Construction phase services (5 percent) 651,000
<br /> Owner costs (1.5 percent) 195,000
<br /> Land acquisition 200 Acre 2,000 400,000 2,747,000
<br /> -
<br /> Subtotal 15,758,000
<br /> Contingency(25 percent) 3,940,000
<br /> TOTAL 19,698,000
<br /> E:/Documentsw/Wwe Wei/2004/ Wright Water Engineers,Inc. Des by:KRW
<br /> 991-077/080-110/Task 5/Summary 7/12/04 Ckd by: DJ
<br /> Report/Summary Report Red Dot/Table 7.doc
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