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DIGESTER MIXING IMPROVEMENTS <br /> <br /> Facility Process Component <br /> Secondary Treatment <br /> <br /> $2,000,000 <br /> Total Cost <br /> :,'!:= ~RIOR!ii!!~ :";: :~ ::!:= ~: i!:i!?:~!i ;i :! :! ~'i :!~ 'i:~I:':/= ii;~:: :::~: !,=~' :??.i~i;i=;-:!ii ~ :! :~:~ i'i : <br /> <br />Design & Engineering 200,000 200,000 <br />~ns~on 1 ~800~ 1,800~00C <br />FUNDING SOURCE <br />Capi~l Rese~e 680,000 680.~ <br />Improvemen~ent SDC Rese~e 1,320,000 1,320~C <br />TOTAL :~:~;/,~:'.:-.:'/;:%";:~'~0'~ :?;f:~2~000~000 ,;~...:': ~¥~;.:::::.,;.0 ~:'~ ~::;~'~: ;'::?~,' ~:,0 ;.;., ;~ ~;'~'. '.0 ,.?: 2;000;000 <br /> <br />PROJECT: Digester Mixing Improvements Design and Constmc~on <br />DESCRIPTION: Replace existing gas mixing system with a pump mixing system. <br />JUSTIFICATION: This pmje~ will increase the a~ive volume of the digestem, thus allowing for addiaonal <br />solids stabil~aUon volume and ~tenUally deleing the need to ~ns~ct an addRional <br />digester. <br />PROJECT DR~ER: Need for improved digester mixing to increase active digester volume. <br />PROJECT TRIGGER: Sludge residence time (SRT) and volatile solids redu~ion design cdteda. <br />~PE OF PROJECT: 50% Capaci~; 50% Peffo~anoe <br />ESTIMATED PROJECT COST $2,000.000 <br />(2004 Dollam): <br />PHASING: Budgeted for ~ 2004/05 <br /> <br /> Page 64 <br /> <br /> <br />