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Metropolitan Wastewater Management Commission Capital Improvement Program '- <br />ODOROUS AIR TREATMENT 1 <br />.. "' nue 2 ~ <br />_. ~.• <br />y. <br />,. '__. _ <br />~r {. , <br />r <br />-. _. v ... <br />~.~~_~ ~ ~ <br />$[ ) 4 <br />' \•/ -Gravity Bolt ' <br />'` 1 .~... Thlahamrr F~c{tlty ~• •• ~ , <br />~~ ' D nwnt i .. <br />N <br />Project Phasing <br />Eo<:fl•ru:..ip.vu7fi.rlcf Y:PCF --~"'- . <br />Description: Biofilters or other treatment for odors from primary clarifiers, expanded pretreatment area <br />and screw pumps/influent pumping. Includes the complete covering of the primary <br />clarifiers, which would be a deviation from the Facilities Plan concept of covering only the <br />weirs and launders in the clarifiers. <br />Status: Planning. stage. <br />Justification: Primary clarifiers are odor sources. Although the Facilities Plan indicated that most odors <br />are generated and can be captured at the weirs and launders of the clarifiers, information <br />. from other treatment plants which have used this technology indicates that the only <br />effective means of odor control on the primaries would be complete coverage. This <br />change in concept must be further investigated and approved through the Commission <br />before implementation. The expanded pretreatment facilities and screw pumps/influent <br />pumping expansion will also be additional odor sources that must be dealt with. <br />Project Driver: Maintain MWMC's status as environmental stewards. Address neighborhood odor <br />complaints and community concerns regarding odors. <br />Project Trigger: Will need to be coordinated with the design of the pretreatment expansion and influent <br />pumping expansion and must be on-line in coordination with construction of those <br />facilities. <br />Project Type: 100% Performance <br />Estimated Project Cost: $9,510,000 <br />Expected Cash Flow: FY 07-08 = $3,600,000; FY 08-09 = $5,657,705 <br />Expenditure/Category: Prior Years 2007-08 2008-09 2009-10 2010-11 2011-12 Total <br />Design/Construction $252,295 $9,257,705 0 0 0 0 $9,510,000 <br />Other 0 0 0 0 0 0 0 <br />Total Cost $252,295 $9,257,705 $0 $0 $0 $0 $9,510,000 <br />Funding Source: Prior Years 2007-08 2008-09 2009-10 2010-11 2011-12 Total <br />Capital Reserve $252,295 $9,107,705 0 0 0 0 9,360,000 <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 $150,000 0 0 0 0 150,000 <br />Equipment Replacement Reserve 0 0 0 0 0 0 0 <br />Total Cost $252,295 $9,257,705 $0 $0 $0 $0 9,510,000 <br />Page 64 FY 07-08 BUDGET AND CIP <br />