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SUMMIT ENGINEERING, INC. <br /> Consulting Civil Engineers <br /> July 23, 2001 <br /> Project No. 2001015 <br /> Page B.1 <br /> SUTTER HOME LODI WINERY <br /> Lodi, San Joaquin County, California <br /> WASTEWATER CONVEYANCE TREATMENT AND DISPOSAL DESCRIPTION <br /> WINERY PROCESS WASTEWATER <br /> Process Wastewater Characteristics <br /> Process wastewater (PW) will consist primarily of wastewaters collected at floor drains and trenches <br /> within the winery, receiving, crush, tank and washdown areas. No sanitary wastewater will be discharged <br /> into the Process Wastewater Management System. Exterior tank and process areas not under a roof will <br /> be provided with diversion capability to provide a means of sending rainwater to the storm drainage <br /> system when those areas are not in use for process purposes. The criteria used to evaluate the <br /> wastewater management system are summarized in this section. Typical winery process wastewater <br /> characteristics have been included at the end of this enclosure. <br /> The PW Management System will include an expanded PW collection system, new pump sumps, new <br /> pumps and related piping and valving, new rotary screen and a new facultative aerated lagoon system. <br /> The system will be constructed in two phases. The first phase will include two 4.357 Mgal aerated <br /> lagoons to allow treatment, storage and disposal of PW flow for an annual wine production of 50,000 <br /> tons. The second phase will include a total of three aerated lagoons with a total volume of 16.735 Mgal. <br /> The treated PW will be reclaimed for the irrigation of 79.2 acres of pasture. <br /> Process Wastewater Conveyance, Treatment and Disposal <br /> The following features will be incorporated into the process wastewater treatment facilities: <br /> i <br /> 9 1. Initial screening at Receiving Area <br /> 2. Gravity collection system <br /> 3. PW pump stations <br /> 4. Pretreatment consisting of: <br /> a) pH control (if necessary) <br /> b) Flow measurement <br /> C) Solids removal screen at Receiving Area <br /> 5. Facultative aerated lagoons <br /> 6. Flow measurement <br /> 7. Filter <br /> 8. Irrigation disposal <br />