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ODOR CONTROL STUDY <br /> Construction & Additional Annual <br /> Engineerinq Costs Operating Costs <br /> Scrubber Improvements $ 270 , 000 $ 30-45 , 000 <br /> Sludge & Septage Storage Tanks $ 50 , 000 $ 0 <br /> Dewatering Building Filtrate Sump $ 20 , 000 $ 0 <br /> Local Meteorological Station $ 157000 $ 0 <br /> Total RSF Improvements $ 355, 000 $ 3045; 000 <br /> Anoxic Tank $ 520, 000 $ 8- 13, 000 <br /> Bar Screen Dumpster Ventilation $ 80, 000 $ 1 , 000 <br /> Gaskets on Headworks $ 11000 $ 0 <br /> New Hypochlorite Facilities $ 130, 000 $ 11000 <br /> Contingency at 10% $ 114, 000 $ 0 <br /> TOTAL ALL IMPROVEMENTS $ 1 ,200 , 000 $ 40 -60 , 000 <br /> The improvements could be accomplished according to the following schedule : <br /> First Phase Improvements — 3 months <br /> • - Addition of chlorine solution to the RSF scrubbers <br /> • Operation of RSF scrubbers in series <br /> • Improved Sludge and Septage Storage Tanks Ventilation <br /> • Gaskets on Headworks <br /> • Internal recycle for Anoxic Tank <br /> • Local meteorological station <br /> • Dewatering filtrate sump grating plates and/or drains <br /> Second Phase Improvements — 12 months <br /> • New blowers and controls for RSF scrubbers <br /> • New covers and odor controls for Anoxic Tank <br /> • Improved ventilation for bar screen dumpsters <br /> • New sodium hypochlorite storage and feed facilities , if required <br /> •� Iv Indian River County, Central Wastewater Treatment Facility <br /> 1 PBSU 11071230, February 2003 <br />