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ORDINANCE 2007- 012 drainage; 4. Backflow prevention methods; 5. Irrigation design with the appropriate uniformity for the type of plant being grown and for the type of soil; 6. Irrigation system equipment installed as designed; 7. Irrigation zones divided according to: available flow rate, vegetated rg_oWings (i.e., turf, shrubs, native plants, etc.), sprinkler types (i.e., sprinklers with matching precipitation rates), and soil characteristics; 8. Spray heads and rotors not mixed in same zone; 9. Distribution equipment in a given zone having matched precipitation rates; 10. Application rates that avoid runoff and permit uniform water infiltration into the soil, considering land slope, soil hydraulic properties, vegetative ground cover, and prevailingws; 11. A minimum separation of four inches between distribution equipment and pavement; 12. A minimum separation of 12 inches between distribution equipment and buildings and other vertical structures; 13. No direct spray onto walkways, buildings, roadways, and drives; 14. Lawn spray patterns providing head to head coverage; 15. Water conveyance systems with a flow velocity of five feet per second or less; 16. Pipelines designed to provide the system with the appropriate pressure required for maximum irrigation uniformity; 17. Pressure regult ating heads; and 18. A maintenance checklist provided to the proi)ertv owner by the irrihation contractor accompanied by a recommended maintenance schedule, proper irrigationystem settings according to season, recommendations for checking rain sensor device, filter cleaning recommendations and information on the current water restrictions. (c) System Layout and Native Vegetation Retention. Irrigation systems shall comp; Underline: Additions to Ordinance 46 Strike *,,,.,,,,gh Deleted Text from Existing Ordinance F:ACommunity Development\Users\CurDevAORDINANCE\2007\2007- 901, 911, 913, 926, 930, & 934 Landscaping.RTF