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THE WARNER PRCJECT <br />WATER SUPPLY ASSESSMENT <br />AuGu5T 21 , 2020 <br />2.1.2 Proposed Water Use <br />As mentioned, a total of 1,150 units are proposed which consist of studios, one -bedrooms and <br />two -bedrooms units. In addition to residential uses, approximately 80,000 sf of retail and <br />approximately 247,506 SF of landscaping is also proposed as part of the Project. See Figure <br />3 below for the proposed site plan for the Project. <br />Total Project residential water demands include estimates of both indoor and outdoor water <br />dernands. Indoor water demands include toilet -flushing, showers, baths, dishwashers, washing <br />machines, faucets, and leakage. Outdoor water demands include landscape irrigation <br />estimates. The estimates for residential water demands were developed byfollowirg the Orange <br />County Water Reliability Study by MWDOC. Retail and landscaping water demands were <br />estimated by implementing water demand factors from the City of Santa Ana Design Guidelines <br />for Water and Sewer Facilities (March 2017). <br />Table 3 Proposed Water Demands <br />Land Use Type <br />Project DU or <br />Unit Water Demand <br />Daily Water Usage <br />Annual <br />Water Usage <br />acreage <br />Factor <br />(gpd) <br />(AFY) <br />Residential — <br />Multifamily <br />1,150 DU <br />190 gpd/DU' <br />218,500 <br />244.8 <br />Commercial <br />1.84 acres <br />2,500 gpd/acre' <br />4,591 <br />5.1 <br />Landscaped <br />Areas <br />5.68 acres <br />3,000 gpd/acre' <br />17,046 <br />19.1 <br />TOTAL PROJECT WATER DEMAND <br />240,137 gpd <br />269 AFY <br />Notes <br />1 Municipal Water Districtof Orange County —Orange County Water Reliability Study (December 2016). <br />2 City of Santo Ana Design Guidelines for Water and Sewer Facilities March 2017). <br />As shown, the proposed Project will have an annual water demand of approximately 269 AFY. <br />This is an increase of approximately 254 AFY as compared to the existing water demands at the <br />Project site. The following sections evaluates the ability for the City to meet the proposed <br />increase in water demands. <br />Note: A 12' existing water main crossing at the northeast corner of the Project site must be <br />relocated to the public right-of-way on Warner Ave and Red Hill Ave. <br />Fu5 OE ENGINEERING, INC. 10 <br />