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DIGESTER MIXING IMPROVEMENTS <br /> <br /> Facility Process Component <br /> Secondary Treatment <br /> <br /> $2,167,000 <br /> Total Cost <br /> PRIOR <br /> Costs EXPEND, 2005-06 2006-07* 2007-08 2008-09 2009-10 TOTAL <br /> ITURES <br />Design & Engineering 150,000 50,000 200,000 <br />Construction 1 ~967,000 1 ~967~000 <br /> TOTAL 150~000 :2~017i000 0 0 0 0 2~167~000 <br />FUNDING SOURCE <br />Capital Reserve 150,000 2,017~000 2,167,000 <br /> 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 />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 />INFLATED PROJECT COST $2,167,000 <br />(FY 2005-06 Dollarsl: <br />PHASING: Design budgeted for FY 2004/05 <br />Construction budgeted for FY 2005/0(~ <br /> <br /> Page 65 FY 05-06 BUDGET AND CtP <br /> <br /> <br />