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TABLE 7.3.2-1 <br />Solids Processes Design Criteria - Existing and 2025 Capacity Needs <br />MWMC Facilities Plan, Eugene-Springfield <br /> <br /> Unit Process Existing Criteria/Conditions Year 2025 <br />Diameter, each 7 ft 7 ft <br />Polymer Feed Pumps <br />Number of units 3 3 <br />Capacity, each/total 20 gpm / 60 gpm 20 gpm / 60 gpm <br />Type Progressing Cavity Progressing Cavity <br />Drive Single speed Single speed <br />Belt Filter Press Feed Pumps <br />Number of Units 3 3 <br />Type Progressing Cavity Progressing Cavity <br />Capacity, each/total 200 gpm / 600 gpm 200 gpm / 600 gpm <br />Drive AFD AFD <br />Horsepower, each 15 15 <br />Belt Filter Press Feed Sludge Strain Press <br />Number of Units 3 3 <br />Type Parkson Strainpress Parkson Strainpress <br />Capacity, each/total 150 gpm / 450 gpm 150 gpm / 450 gpm <br />Belt Filter Press Filtrate Pumps <br />Number of Units 3 3 <br />Type Submersible Submersible <br />Capacity, each/total 575 gpm / 1725 gpm 575 gpm / 1725 gpm <br />Drive AFD AFD <br />Horsepower, each 15 15 <br />Belt Filter Press Cake Conveyance <br />Number of Units 1 1 <br />Type Screw Auger Screw Auger <br />Capacity 30 wet tons/hr 30 wet tons/hr <br />Drive Single speed Single speed <br />SOLIDS STORAGE <br />Air Drying Beds <br />Number of Units 13 <br />Size, each/total 1.85 acres/25 acres <br />Equivalent Average Depth 0.50 ft <br />Storage Volume, each/total 1485 CY / 19,300 CY <br />Storage Volume, dry weight basis, total 3130 dry tons <br />Storage Volume, wet weight basis, total 17,400 wet tons <br />Facultative Sludge Lagoons <br />Number of Units 4 4 <br />Operaling Depth 10 ft 6 ft <br />Storage volume at operating depth, each/total 18 MG / 71 MG 10.25 MG / 41 MG <br />(based on 2.5% solids in and 3% solids out) <br />BFP Cake Hopper <br />Number of Units 2 <br /> <br />MWMC_TABLE 7.3.2-1_REV4.DOC 5 <br /> <br /> <br />