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i <br /> i <br /> j DIGESTER MIXING IMPROVEMENTS <br /> Facility Process Component <br /> Secondary Treatment <br /> $2,167,000 <br /> Total Cost <br /> i <br /> PRIOR <br /> I <br /> Costs EXPEND-. 2005<08 2006-07* 2007=08: 2008-09 2009-10 TOTAL <br /> I`i`URES <br /> Design & Engineering 150,000 50,000 200,000 <br /> Construction 1 967 000 1 967 000 <br /> TOTAL 150000 2 017000 0 0 0 0 2 167 000 <br /> FUNDING SOURCE <br /> Capital Reserve 150 000 2 017 000 2,167,000 <br /> i TOTAL 150,000 2,017;000 0 0 0 0 2,167,000 <br /> * Inflated from 2004 by 6.3% to FY05-06 dollars (Engineering News Record factor) and 4% thereafter <br /> I;' PROJECT: Digester Mixing Improvements Design and Construction <br /> DESCRIPTION: Replace existing gas mixing system with a pump mixing system. <br /> JUSTIFICATION: This project will increase the active volume of the digesters, thus allowing for additional <br /> solids stabilization volume and potentially deferring the need to construct an additional <br /> digester. <br /> PROJECT DRIVER: Need for improved digester mixing to increase active digester volume. <br /> PROJECT TRIGGER: Sludge residence time (SRT) and volatile solids reduction design criteria. <br /> TYPE OF PROJECT: 50% Capacity; 50% Performance <br /> ESTIMATED PROJECT COST $2,000,000 <br /> (FY 2004-05 Dollars): <br /> <br /> i <br /> INFLATED PROJECT COST $2,167,000 <br /> i <br /> (FY 2005-06 Dollars): <br /> PHASING: Design budgeted for FY 2004!05 ; <br /> Construction budgeted for FY 2005/06 <br /> I, <br /> i <br /> i <br /> 14 <br /> L . <br /> i' <br /> i_ <br /> i, <br /> i <br /> i <br /> i <br /> Page 65 FY OS-O6 BUDGET AND CIP <br /> _ <br /> <br />