Sprinkler system installation scope: I want to update or add to an existing sprinkler system. Location: Home. System type: Lawn, Flower bed, Shrubs, Trees, Garden. Square footage of sprinkler coverage: I'm not sure. What is being watered: Grass, Trees, Flower beds, Shrubs, Herb garden, Vegetable garden. Automatic or Manual sprinkler system: Timer-driven automatic sprinkler system.