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<br />.. \, <br /> <br />Facility Process Component <br />Primary Treatment <br /> <br />$4,378,000 <br />Total Cost <br /> <br />Costs <br /> <br />Design/Construction <br /> <br />FUNDING SOURCE <br />Capital Reserve <br />SDC Improvement Reserve <br /> <br />PROJECT: <br />DESCRIPTION: <br /> <br />JUSTIFICATION: <br /> <br />PROJECT DRIVER: <br /> <br />PROJECT TRIGGER: <br /> <br />TYPE OF PROJECT: <br /> <br />ESTIMATED PROJECT COST <br />(FY 2004-05 Dollars): <br /> <br />RECOSTED PROJECT COST <br />(FY 2007-08 Dollars): <br /> <br />PHASING: <br /> <br />PRIMARY SLUDGE THICKENING <br /> <br />PRIOR <br />EXPEND. <br />ITURES <br /> <br /> <br />TOTAL <br /> <br />3,878,000 <br /> <br />3,878,000 <br />500 000 <br />'4;378,000 <br /> <br />TOTAL <br /> <br />Primary Sludge Thickening Outside of Clarifiers <br /> <br />Thin primary sludge pumping and piping systems to gravity thickeners, two, 50' foot <br />diameter gravity thickeners (covered for odor control), supernatant overflow pumping and <br />piping, thickened sludge piping/pumping to digesters. See Odorous Air Treatment for <br />treatment of odors. <br /> <br />One of the projects that increases capacity of existing primary clarifiers from approximately <br />103 mgd to 165 mgd. <br /> <br />All peak wet weather flows must receive primary treatment prior to diversion and effluent <br />blending to meet the current NPDES permit for total suspended solids. <br /> <br />Primary clarifier surface overflow rates exceeding 1800 gpd/sf: Sustained wet weather <br />flows through the primaries in excess of 103 mgd after baffling improvements are made. <br /> <br />100% Capacity <br /> <br />$3,600,000 <br /> <br />$4,378,000 <br /> <br />Programmed for FY 2007/08 <br /> <br />Page 68 <br /> <br />FY 06-07 BUDGET AND CIP <br />