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Metropolitan Wastewater Management Commission Capital Improvement Program <br />PRIMARY SLUDGE THICKENING <br />_.. _- -- i <br />4 o t oti __ <br />y t;nar (. E ~~ nearY .... r t ~~' ' <br />' ~.-/ , ;. <br />f . <br />1 <br />r ~ a... / ~~«_~_ . <br />ThlcMr.wr FM~(llty -.~t <br />,... <br />t .... . . , <br />i ~1. <br />Project Phasing <br />Eu9enc~ Sprirx7/ieW 1YPCF <br />Description: Thin primary sludge pumping and piping systems to gravity thickeners, iwo, 50' foot diameter <br />gravity thickeners (covered for odor control),, supernatant overflow pumping and piping, thickened <br />sludge piping/pumping to digesters. Includes funds for landscaping in vicinity of thickeners. See <br />Odorous Air Treatment for treatment of odors. <br />Justification: Meet class B biosolids requirements without building additional digester capacity. <br />Project Driver: Meet class B biosolids requirements during peak iwo-week solids loading event with all three <br />digesters in service. <br />Project Trigger: Peaktwo-week hydraulic loading to digesters exceeds level where class B biosolids can be <br />produced with all three digesters in service. <br />Project Type: 100% Capacity <br />Estimated Project Cost: $4,378,000 <br />Expected Cash Flow: FY 07-08 = $440,000, .FY 08-09 = $2,700,000, FY 09-10 = $1,238,000 <br />Exaenditure/Category: Prior Years 2007-08 2008-09 2009-10 2010-11 2011-12 Total <br />Design/Construction 0 $4,378,000 0 0 0 0 $4,378,000 <br />- Other 0 0 0 0 0 0 0 <br />Total Cost $0 $4,378,000 $0 $0 $0 $0 $4,378,000 <br />'~ -' Funding Source: Prior Years 2007-08 2008-09 2009-10 2010-11 2011-12 Total <br />Capital Reserve 0 $3,878,000 0 0 0 0 $3,878,000 <br />EPA Grant 0 0 0 0 0 0 0 <br />. { SDC Reimbursement Reserve 0 0 0 0 0 0 0 <br />`~ SDC Improvement Reserve 0 $500,000 0 0 0 0 $500,000 <br />Equipment Replacement Reserve 0 0 0 0 0 0 0 <br />Total Cost $0 $4,378,000 $0 $0 $0 $0 $4,378,000 <br />Page 61 FY 07-08 BUDGET AND CIP <br />