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Sec. 41 -1504. Definitions. The following definitions are applicable to this Article "Aggregate Landscape Areas" pertains to production home neighborhoods, common interest developments, or other situations where multiple parcels are undergoing development as one project, but will eventually be individually owned or maintained. "City" means the City of Santa Ana, a charter city and municipal corporation, or its authorized designee. "Ecological restoration project" means a project where the site is intentionally altered to establish a defined, indigenous, historic ecosystem. "Estimated Applied Water Use" or "EAWU" means the annual total amount of water estimated to keep plants in a healthy state. It is based on the reference evapotranspiration rate, the size of the landscape area, plant water use factors, and the irrigation efficiency within each hydrozone. "Evapotranspiration adjustment factor" or "ETAF" means a factor of 0.7, that when applied to reference evapotranspiration, adjusts for plant factors and irrigation efficiency, two major influences upon the amount of water that needs to be applied to the landscape. A combined plant mix with a site -wide average of 0.5 is the basis of the plant factor portion of this calculation. For purposes of the ETAF, the average irrigation efficiency is 0.71, therefore, the ET Adjustment Factor is (0.7)= (0.5/0.71). ETAF for a Special Landscape Area shall not exceed 1.0. ETAF for existing non - rehabilitated landscapes is 0.8. "Guidelines" refers to the Guidelines for Implementation of this Article, as adopted by the City, which describes procedures, calculations, and requirements for landscape projects subject to this Article. The Guidelines are consistent with the regional Orange County Model Ordinance and Guidelines. "Landscaped area" means all the planting areas, turf areas, and water features in a landscape design plan subject to the Maximum Applied Water Allowance and Estimated Applied Water Use calculations. The landscaped area does not include footprints of buildings or structures, sidewalks, driveways, parking lots, decks, patios, gravel or stone walks, other pervious or non - pervious hardscapes, and other non - irrigated areas designated for non - development (e.g., open spaces and existing native vegetation). "Landscape Documentation Package" means the package of documents that a project applicant is required to submit pursuant to Section 2.1 of the Guidelines. "Landscape Installation Certificate of Completion" means the certificate included as Exhibit E of the Guidelines that must be submitted to the City pursuant to Section 2.7 Ordinance No. NS -2891 Page 5 of 9