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Metropolitan Wastewater Management Commission Capital Improvements Program <br /> Design work for secondary clarifiers is planned in 2005. Construction upgrades to the secondary <br /> clarifiers will be done in a phased multi-year approach during the dry season from 2006 to 2007 <br /> with performance testing. <br /> South Aeration Basin Improvements <br /> <br /> j FY 05-06 Capital Budget =Design $590,000, Construct $6,913,000 <br /> Expected cash flow: * FY 05-06 $7,503,000. <br /> The MWMC NPDES wastewater discharge permit, issued by the DEQ in 2002, placed a limit on <br /> the allowable dry weather (May 1st through October 31st) discharge of ammonia for the first time. <br /> In order to meet this limit, the 2004 MWMC Facilities Plan identifies these projects to increase the <br /> <br /> j dry weather aeration basin treatment capacity to 65 mgd with respect to ammonia (i.e., with <br /> nitrification) and increase the sustained (i.e., on a weekly basis) wet'weather treatment capacity to <br /> 130 mgd. This project includes design and construction to add step feed processing, anoxic <br /> selectors, fine bubble diffusers, and removes hydraulic restrictions in both south and north basins <br /> (effluent gates). It also includes future primary effluent flow control gates for both north and south <br /> basins. Staff will be coordinating system improvements that relate to needed equipment <br /> replacement components and funding. <br /> Design work is planned for 2005. The construction is planned for 2005 to 2006. <br /> Construction Management Facilities <br /> FY 05-06 Capital Budget = $50,000 <br /> Expected cash flow: * FY OS-06 $50,000. <br /> This project is necessary to provide on-site office facilities for project/construction management <br /> staff at the WPCF overseeing the construction work. A project and staffing plan is being <br /> o tion of these necess facilities. <br /> in 0 to determine the t e size and 1 ca <br /> evelo ed 2 OS <br /> d <br /> ~S' <br /> p YP <br /> New Protects <br /> The following projects address needs/projects identified in the WWFMP (2001) and the 2004 <br /> MWMC Facilities Plan. <br /> Influent Pumping- (Screw Pump Station Expansion or Alternative Solution) <br /> FY 05-06 Capital Budget = $1,807,000 <br /> Expected cash flow: * FY OS-06 $452,000; FY 06-07 $903,000; FY 07-08 $452,000. <br /> ~ . <br /> Three or more influent. pumping alternatives/solutions will need to be evaluated by a consulting <br /> firm during_the MWMC pze-design phase of this project. The 2004 MWMC Facilities Plan <br /> anticipates upgrades to the screw pump station by adding a fifth pump to increase the capacity <br /> from 84 to 99 mgd. The.total influent pumpingcapacity of all directly connected. pump stations is <br /> , estimated at 277 mgd for peak wet,weather flow: DEQ pumping redundancy.requirements will <br /> need to be reviewed by the design consultant/team and MWMC as the project develops. This <br /> Page 30 FY OS-06 BUDGET AND CIP <br /> <br />