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TERTIARY FILTRATION <br /> <br /> Facility Process Component <br /> Tertiary Filters <br /> <br />Costs ~ EXPEND;:. <br />Design & Engineering 1,000,000 1,000,000 <br />Construction 10,151,643 10,151~643 <br /> TOTAL I' ....... <br />FUNDING SOURCE <br />Capital Reserve 0 580,000 5,887,953 6,467,953 <br />Improvementment SDC Reserve 0 420,000 4,263,690 4~683~689 <br /> <br />Inflated from FY 04-05 costs at 2.8% per year (Engineering News Record factor) <br />PROJECT: Tertiary Filtration Design and Construction <br />DESCRIPTION: Filtration: includes infrastructure/support facilities for 30 mgd of filters; install filter cells <br />sufficient for only 10 mgd. <br />JUSTIFICATION: An estimated 30 mgd of filters is required by 2010 to meet dry season mass limits. Facility <br />Plan proposes phasing filters in sooner to facilitate development of Level 3 and Level 4 <br />reuse. Provides high quality secondary effluent and potential level 4 reuse water. Also, <br />needed to assist with meeting wet season mass load requirements dudng peak flow events <br />(under all peak flow management alternatives). <br /> <br />PROJECT DRIVER: Performance reliability to meet the dry weather NPDES total suspended solids limits of less <br /> than 10 mg/L, reuse development, and compliance with peak flow management. <br /> <br />PROJECT TRIGGER: NPDES permit compliance for TSS: Dry weather maximum month flow in excess of 49 mgd. <br /> Also, initially to provide higher quality effluent so that reuse can be developed. <br /> <br />TYPE OF PROJECT: 25% Capacity; 75% Performance <br /> <br />ESTIMATED PROJECT COST $10,100,000 <br />(2004 Dollars): <br /> <br />INFLATED PROJECT COST $11,151,643 <br />(Inflated DOllars. Multi-year): <br /> <br />PHASING: Budgeted for design in FY 2007/08 <br /> <br /> Page 73 <br /> <br /> <br />