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TABLE 7.3.1-1 <br />Seasonal Land Application Design Criteria - Existing and 2025 Capacity Needs <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 />Site Loading Criteria <br />Nitrogen Loading <br /> Poplar Trees (liquid biosolids) 220 lbs N/acre 220 lbs N/acre <br /> Grass (dewatered biosolids) 120 lbs N/acre 120 lbs N/acrs <br />Biosolids Loading <br /> Poplar Trees (liquid biosolids) 3.4 dry tons/acrs 5.4 dry tons/acre <br /> Grass (dewatered biosolids) 4.2 dry tons/acre 4.2 dry tons/acre <br />LIQUID BIOSOLIDS EQUIPMENT <br />Mixed Sludge Transfer Pumps <br />Number of Units 2 3 <br />Drive VFD VFD <br />Mixed Sludge Strain Presses <br />Number of Units 2 3 <br />Liquid Biosolids Storage Tank <br />Number of Units 1 1 <br />Volume, each 50,000 gal 50,000 gal <br />Liquid Biosolids Storage Tank Mix Pump <br />Number of Units 1 1 <br />Liquid Biosolids Disposal Loading Pump <br />Number of Units 1 1 <br />Liquid Biosolids Irrigation Pumps <br />Number of Units 3 3 <br />Drive VFD VFD <br />Liquid Biosolids Irrigation Pipeline <br />Diameter 16 inch 18 inch <br />Material PVC Class 150 PVC Class 150 <br />Capacity 2,400 gpm 2,400 gpm <br />Liquid Biosolids Application Method <br />Number of Units 4 8 <br /> <br />MWMC_TABLE 7.3.1-1 _REV4.DOC <br /> <br /> <br />