Laserfiche WebLink
MWMC FACILITIES PLAN <br /> <br />TABLE 3,2.1-2 <br />Plant Upgrades and Additional Facilities <br />MWMC Facilities Plan, Eugene-Springfield <br /> <br /> Construction Project Year Description <br /> <br />Solids Handling 1988 Constructed 4 facultative sludge lagoons and 13 drying <br /> beds at the offsite Biosolids Management Facility. <br /> Constructed new biosolids pump station (operational in <br /> 1989) <br /> <br />SIWF Modification 1995 Installed new center pivot irrigation system <br /> <br />Gravity Belt Thickener Building 1993 Added new gravity belt thickener building and two 3-meter <br /> gravity belt thickeners with polymer system <br /> <br />BMF Dewatering Facility 2001 Dewatering building with three 2-meter belt presses, <br /> added two belt filter press mix tanks, polymer system, <br /> three biosolids presses, solids Ioadout system <br /> <br />Biocycle Farm 2004 Anticipate planting 157 acres in poplar trees, constructed <br /> biosolids irrigation pipeline, and biosolids pump station at <br /> the BMF <br /> <br />Maintenance Facility Modifications 1990 Expansion of existing maintenance facility to include <br /> men's room, locker rooms, storage room, and <br /> miscellaneous locker rooms <br /> <br />Laboratory Building Addition 2003 New laboratory building replaces the existing laboratory <br /> <br />3.2.2 Facility Design <br /> <br />Pretreatment <br />The pretreatment facility at the WPCF is comprised of influent screw pumps, coarse bar <br />screens, aerated grit removal and preaeration. Screenings and grit are processed in a <br />separate building through screenings washer/compactors and grit separation. Table 3.2.2-1 <br />summarizes the pretreatment facility unit processes and equipment. <br /> <br />TABLE 3.2.2-1 <br />WPCF Pretreatment Facility Unit Processes and Equipment <br />MWMC Facilities Plan, Eugene-Springfield <br /> <br /> Capacity, (each/total <br /> Equipment Type Quantity firma/totalb) <br /> <br />Raw Sewage Pumps Helical Screw (capacity at peak flow) 4 21/63/84 mgd <br /> <br />Bar Screens Mechanically raked, 1/2-inch opening bar 6 35/175/210 mgd <br /> screen <br /> <br />3-8 MWMC_3.0_REV11.DOC <br /> <br /> <br />