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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 />Chapter V - Evaluation of Alternatives <br /> <br />Table V-2 <br />Construction Cost Estimate <br />Boyd Lake Dam Low-Level Outlet Works <br /> <br />Alternative 1 - Cut and Cover <br /> <br />Item No. Item Description Quantity Unit Unit Price Total Cost <br />1 Mobilization/Demobilization 1 Lump Sum $91,195.00 $91,195 <br />2 Demolition 1 Lump Sum $60,000.00 $60,000 <br />3 Dewatering . 1 Lump Sum $50,000.00 $50,OOC <br />4 Erosion Control 1 Lump Sum $5,000.00 $5,000 <br />5 Earth Excavation 35,000 Cubic Yard $4.00 $140,000 <br />6 Compacted Backfill 20,000 Cubic Yard $5.00 $100,000 <br /> Furnish and Install Articulated <br />7 Concrete Mat 1,500 Square Yard $15.00 $22,500 <br />8 Furnish and Place Pipe Bedding 2,000 Cubic Yard $25.00 $50,000 <br />9 Furnish and Place Structural Concrete 260 Cubic Yard $500.00 $130,000 <br /> Furnish and Place Mass Concrete for <br />10 Pipe Encasement 200 Cubic Yard $200.00 $40,000 <br /> Furnish and Place Specialized <br />11 Backfill 700 Cubic Yard $10.00 $7,000 <br /> Pipe Jack Under Existing Waterlines <br />12 with 48" RCP 80 Linear Feet $800.00 $64,000 <br /> Furnish and Place Grout in Existing <br />13 Concrete Arch Tunnel 35 Cubic Yard $150.00 $5,250 <br />14 Furnish and Place Riprap 30 Cubic Yard $60.00 $1,800 <br />15 Furnish and Place 48" CML Pipe 220 Linear Feet $220.00 $48,400 <br />16 Furnish and Place 48" RCP Pipe 1,600 Linear Feet $100.00 $160,000 <br />17 Furnish and Install 48" Sluice Gate 1 Each $8,000.00 $8,000 <br /> Furnish and Place 6' Dia. Manhole for <br />18 Access 4 Each $5,000.00 $20,000 <br /> Subtotal Construction Cost $1,003,145 <br />19 20% Contingency $200,600 <br /> Total Estimated Cost (Rounded) $1,204,00{] <br /> <br />Boyd Lake Dam Outlet System Feasibility Study 21 <br /> <br />1f30VLE <br />