New Search
<br /> I'~ <br /> PRIMARY SLUDGE THICKENING <br /> Facility Process Component <br /> Primary Treatment <br /> $4,139,000 <br /> Total Cost <br /> PRIOR <br /> Costs EXPEND- 2005-06 :2006-07. 2007-08* 2008-09 2009-10 TOTAL . <br /> ITURES <br /> 4 139 000 4 139 000 <br /> Construction <br /> TOTAL 0 0 0 4,139,000 0 4 139 000 <br /> FUNDING SOURCE <br /> Capital Reserve 3,639,000 3,639,000 <br /> SDC Improvement Reserve 500 000 500,000 <br /> TOTAL 0 0 0 4,139,000 0 0 4,139,000 <br /> * Inflated from 2004 by 6.3% to FY05-Oti dollars (Engineering News Record factor) and 4% thereafter <br /> PROJECT: Primary Sludge Thickening Outside of Clarifiers <br /> DESCRIPTION: 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 /> JUSTIFICATION: One of the projects that increases capacity of existing primary clarifiers from approximately <br /> 103 mgd to 165 mgd. <br /> PROJECT DRIVER: 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 /> PROJECT TRIGGER: 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 /> TYPE OF PROJECT: 100% Capacity <br /> ESTIMATED PROJECT COST $3,600,000 <br /> (FY 2004-05 Dollars): <br /> INFLATED PROJECT COST $4,139,000 <br /> ' ! (FY 2007-08 Dollars): <br /> PHASING: Budgeted for FY 2007/08 <br /> Page 64 FY OS-06 BUDGET AND CIP <br /> _ _ _ _ <br /> <br />