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Cabrillo Town Center <br />WATER SUPPLY ASSESSMENT FEBRUARY 13, 2023 <br />8 <br />2.1.1 Existing Water Use <br />The existing land use of the project site is occupied by four 3-story commercial buildings and <br />their associated parking lot. Building 1 located in the southwest corner of the property has a <br />footprint of approximately 21,054 SF. Building 2 located southeast corner of the property has a <br />footprint of approximately 29,224 SF. Building 3 located at the center of the property (end of <br />the driveway entering from the intersection of Cabrillo Park Drive and Parkcourt Place) has a <br />footprint of approximately 19,602 SF. Building 4 located in the northwest corner of the <br />property has a footprint of approximately 17,202 SF. Total existing landscape on the site is <br />approximately 51,982 SF. See Figure 2 for an aerial image of the existing land uses at the <br />property. <br />Water Demand factors from the City of Santa Ana Design Guidelines for Water and Sewer <br />Facilities (November 2020)2 are as follows: <br />Single Family: 130 gpd/capita <br />Multiple Family: 120 gpd/capita <br />High-Rise Residential: 110 gpd/capita <br />Commercial Recreational (hotels/motels): 180 gpd/capita <br />Commercial: 2,500 gpd/acre <br />Industrial: 3,500 gpd/acre <br />Open Space/Parks/Landscape Areas: 3,000 gpd/acre <br />A commercial water demand factor of 2,500 gallons per day (gpd) per acre was utilized for the <br />four existing commercial office buildings. In addition, a landscape water demand factor of 3,000 <br />gpd/acre was utilized for the scattered landscaping at the Project site. See Table 2 below for <br />estimated existing water demands of the Project site. <br />Table 2 Existing Water Demands <br />Existing Land <br />Use <br />Land Use <br />Square <br />Footage <br />Land Use <br />Acreage <br />Water <br />Demand <br />Factor <br />(gpd/acre) <br />Existing <br />Water <br />Demand <br />(gpd) <br />Existing <br />Water <br />Demand <br />(AFY) <br />Building 1 21,054 0.48 2,500 1,200 1.3 <br />Building 2 29,224 0.67 2,500 1,675 1.9 <br />Building 3 19,602 0.45 2,500 1,125 1.3 <br />Building 4 17,202 0.39 2,500 975 1.1 <br />Landscaped <br />Area <br />51,982 1.19 3,000 3,570 4.0 <br />Total 139,064 3.18 8,545 9.6 <br />2 City of Santa Ana Design Guidelines for Water and Sewer Facilities (November 2020). Found here: <br />https://www.santa-ana.org/documents/design-guidelines-standard-drawings-for-water-sewer-facilities/