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2020 Eugene Wastewater Master Plan Chapter 4: Design Criteria 29 <br />Major Retail Centers Includes a wide range of purchaser goods, educational opportunities, <br />entertainment, offices, travel accommodations, and services that attract <br />people from the entire metropolitan area. <br />Campus Industrial Designed for firms that will help achieve economic diversification objectives <br />and that typically have a large number of employees per acre. Designed to <br />provide sites for large-scale offices that provide a scientific and educational <br />research function or directly serve manufacturing uses or other industrial or <br />commercial enterprises. <br />Light-Medium <br />Industrial <br />Industries that are often involved in the secondary processing of materials <br />into components, the assembly of components into finished products, <br />transportation, communication and utilities, wholesaling, and warehousing. <br />Heavy Industrial A range of manufacturing uses including those involved in the processing of <br />large volumes of raw materials into refined products and/or industrial uses <br />that have significant external impacts. <br />Special Heavy <br />Industrial <br />Areas designated to accommodate relocation of existing heavy industrial <br />uses inside the UGB where there is not sufficient room for expansion and to <br />accommodate a limited range of other heavy industries. <br />Park and Open Space Areas that will conserve and preserve a variety of parks, recreation areas, <br />and open spaces to maintain livability of the metropolitan area. Provides a <br />balance of active and passive recreation opportunities to meet <br />neighborhood, community, and metropolitan needs. Several facilities are <br />allowed. <br />Government and <br />Education <br />Government services and education campuses. <br />University/Research Intended to accommodate light industrial, research and development, and <br />office uses related to activities, research, and programs of the University of <br />Oregon. <br />Mixed Use This category represents areas where more than one use might be <br />appropriate. <br />BASE WASTEWATER FLOWS <br />Base wastewater flow is the average daily flow that originates from residential, commercial, and <br />industrial users. If the collection system had no I/I, the base wastewater flow would be the total daily <br />flow. Since I/I is very low during long periods of dry weather, base wastewater flow is also called average <br />dry weather flow. The purpose of this section is to establish base wastewater flow rates that are <br />generated by the 15 different land-use categories. <br />Base Wastewater Flow Rates for Residential Areas <br />Base wastewater flows generally relate closely to water consumption rates. In Exhibit 17 of the Eugene <br />Water & Electric Board’s 2004 Water System Master Plan, winter water consumption in the EWEB <br />system was shown to be 150 gallons per household per day for residential use. Based on the 2010 <br />census, the average occupancy rate is approximately 2.24 persons per dwelling unit, resulting in the flow