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5~ BASIS OF PLANNING <br /> <br />TABLE 5.4.3-2 <br />Bi0s01ids Unit Process, Existing and 2025 Design Capacity <br />MWMC Facilities Plan, Eugene-Springfield <br /> <br /> Process Design Existing Total 2025 Capacity 2025 Condition <br /> Unit Process Description Basis Capacity Need of Need <br /> <br />Waste Activated Gravity Belt WWMW 96,500 lb/day 144,720 lb/day Total capacity <br />Sludge Thickening Thickeners <br /> <br />Solids Stabilization Anaerobic Digestion AA 145,350 gpd 200,000 gpd Total capacity with <br /> minimum of two <br /> tanks <br /> <br />Solids Stabilization Facultative Sludge SLR 27,225 lbs 27,225 lbs VSS Total capacity <br /> Lagoons VSS/day <br /> <br />Biosolids Dewatering WWMW 307,440 gpd 307,440 gpd Total capacity <br /> <br />Biosolids Storage Facultative Sludge NA 41 MG 41 MG Total capacity <br /> Lagoons <br /> <br />Biosolids Storage Air Drying Beds NA 3130 dry tons 3130 dry tons Total capacity <br /> <br />5.4.4 Seasonal Land Irrigation <br />Table 5.4.4-1 summarizes the anticipated 2025 facility needs for seasonal land irrigation. <br /> <br />TABLE 5.4.4-1 <br />Seasonal Land Application 2025 Design Criteria <br />MWMC Facilities Plan, Eugene-Springfield <br /> <br /> Unit Process Existing Criteria/Conditions Year 2025 <br /> <br />SITE CHARACTERISTICS <br />Site Delineation <br />Poplar Trees (non-buffers) 165 acres 425 acres <br />Grass (buffers) 20 acres 132 acres <br />Roads 23 acres 23 acres <br />Feed Store Lot 16 acres 16 acres <br />Site Capacity (based on non-irrigated loading) <br />Poplar Trees (liquid biosolids) 1,444 dry tons 2,128 dry tons <br />Grass (dewatered biosolids) 549 dry tons 612 dry tons <br />Poplar Harvest Rotation 10 years 10 years <br />Percent Dry Solids in Applied Liquid Biosolids 1-4% 1-4% <br /> <br />MWMC 5.0 REV8_VKS.DOC 5-29 <br /> <br /> <br />