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<br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />Western Mutual Diversion Repairs and Improvements <br />eWeB Feasibility Study <br />May 6, 1998 (Revised December 29, 1998) <br /> <br />Table 2 (con!.) <br /> <br />Summary of Estimated Check Structure Replacement Costs <br />Western Mutual Ditch - Diversion Repairs and Improvements <br /> <br />Vertical Riprap Drop - Concrete Crest Wall <br />Description Quantity Unit Unit Costs Item Costs <br /> Low Estimate High Estimate Low Estimate High Estimate <br />Concrete 200 CY $300,00 $400,00 $60,000,00 $80,000,00 <br />Catwalk 3,300 LBS $3.50 $4.00 $11 ,550.00 $13,200,00 <br />Flashboards 120 SF $2,50 $3.50 $300,00 $420,00 <br />Flashboard Supports 320 LBS $3,50 $4,00 $1,120,00 $1,280,00 <br />Stop Logs 30 SF $5,00 $7,00 $150,00 $210,00 <br />Riprap 1,314 Tons $17,00 $20,00 $22,338,00 $26,280,00 <br />Bedding 318 Tons $11,00 $13,00 $3,498,00 $4,134,00 <br />Excavation 2,400 CY $1,00 $2.00 $2,400,00 $4.800,00 <br />Dewateri ng 1 EA $5,000,00 $10,000.00 $5,000,00 $10,000.00 <br />Total $106,356.00 $140,324.00 <br />Sloping Riprap Drop - Ungrouted Riprap <br />Description Quantity Unit Unit Costs Item Costs <br /> Low Estimate High Estimate Low Estimate High Estimate <br />Steel Sheet Pile 3,230 SF $15,00 $20,00 $48,450,00 $64,600,00 <br />Catwalk 3,300 LBS $3,SO $4.00 $11,550,00 $13,200,00 <br />Flashboards 120 SF $2.50 $3,50 $300,00 $420,00 <br />Flashboard Supports 320 LBS $3.50 $4,00 $1,120,00 $1,2BO,OO <br />Stop Logs 30 SF $5,00 $7,00 $150,00 $210,00 <br />Riprap 2,510 Tons $17,00 $20,00 $42,670,00 $50,200.00 <br />Bedding 465 Tons $11.00 $13.00 $5,115,00 $6,045,00 <br />Excavation 1,860 CY $1.00 $2,00 $1,860,00 $3,720,00 <br />Dewatering 1 EA $2,000,00 $6,000,00 $2,000,00 $6,000,00 <br />Total $113,215,00 $145,675.00 <br /> <br />5 <br />