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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 <br />