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Table 5.1
<br /> Preliminary Cost Estimates for Liquid Stream Improvements
<br /> Elk River Wastewater Treatment Facility
<br /> Item Cost
<br /> Design Option Design Option
<br /> No. 1 No.2
<br /> Mobilization $300,000 $300,000
<br /> Site Work $600,000 $600,000
<br /> Site Pi in /Valves $200,000 $200,000
<br /> Grit Cyclone $15,000 $15,000
<br /> Clarifier Equipment for Existing and New(4) $500,000 $500,000
<br /> New Clarifier Structure(2) $200,000 $200,000
<br /> Trickling Filter Improvements $250,000 $250,000
<br /> Activated Sludge Basins $1,350,000 $1,950,000
<br /> Fine Pore Diffusers $140,000 $200,000
<br /> Blowers $250,000 $300,000
<br /> Secondary Clarifier Covers(3) $300,000 $300,000
<br /> RAS/WAS Building and Pumps $200,000 $200,000
<br /> Filter Chlorination System $30,000 $30,000
<br /> UV Upgrades $200,000 $400,000
<br /> Blower/Sludge Pumping Building $200,000 $200,000
<br /> Electrical/Controls $1,500,000 $1,700,000
<br /> New Control Building/Garage $1,200,000 $1,200,000
<br /> Total Construction Cost $7,435,000 $8,495,000
<br /> Contingency(10%) $744,000 $850,000
<br /> En ineerin /Admire(15%) $1,115,000 $1,274,000
<br /> Total Project Cost $9,294,000 $10,619,000
<br /> City of Elk River—T12.104758 Page 28
<br /> Wastewater Treatment Facility Plan Prepared by Bolton&Menk,Inc.
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