Review your landscape plan before beginning the irrigation system design. Although it is possible to use a blank copy of your site plan, many people find it easier to draw the irrigation system design on a copy of their landscape plan.
1. Mark on your plan the point where you plan to tie in to the water line that goes to your house. This is usually done near the front yard hose bibb. Many new homes have a stub-out (a protrusion with an end cap) on the riser pipe connected to the hose bibb for this purpose. This is where the backflow preventer should be placed.
2. Mark the location of each emitter. Drip systems should be designed to accommodate the watering needs of mature plants. If you are not sure of the number and flow rate of emitters needed by each plant, the Drip Emitter Quantity Chart
may be useful.