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PRIMARY SLUDGE THICKENING <br /> <br /> Facility Process Component <br /> Primary Treatment <br /> <br /> $3,910,946 <br /> Total Cost <br /> PRIOR :;~: i',: !,ii`~. ?: : ~ i ;!;:: '. ~i i :i ?:'~!'.~::! ;~ :.':i'~:~ ! :i.~: <br /> <br />Design & Engineering 391,095 391,095 <br />Construction 3,519,852 3~519~852 <br />FUNDING SOURCE <br />3api~l Resewe 3,910~6 3~910,~6 <br /> * Inflated Eom ~ ~-05 ~s~ at 2.8% per year (Engineering Ne~ Re~ ~ctor) <br /> <br />PROJECT: Pdma~ Sludge Thickening Outside of Cladflers <br />DESCRIPTION: Thin pdma~ sludge pumping and piping systems to gmvi~ thickenem, ~o, 50' foot <br />diameter g~vi~ thickeners (covered for odor control), supematant ove~ow pumping and <br />piping, thickened sludge piping/pumping to digesters. See Odorous Air Treatment for <br />treatment of odom. <br />JUSTIFICATION: One of the projects that increases capaci~ of existing pfima~ cla~em from approximately <br />103 mgd to 165 mgd. <br />PROJECT DRNER: All peak wet weather flows must m~ive pdma~ treatment prior to divemion and e~uent <br />blending to meet the cu~ent NPDES pete for total suspended solids. <br />PROJECT TRIGGER: Pdma~ claY~er surface ove~ow rotes exceeding 1800 gpd/sf: Sustained wet weather <br />flows though the pdmades in excess of 103 mgd after ba~ing improvements are made. <br /> <br />TYPE OF PROJECT: 100% Capacity <br /> <br />ESTIMATED PROJECT COST $3,600,000 <br />{2004 Dollars): <br /> <br />INFLATED PROJECT COST $3,910,946 <br />(2007 Dollars): <br /> <br />PHASING: Budgeted for FY 2007~08 <br /> <br /> Page 63 <br /> <br /> <br />