Q: Why do I need so many sprinkler heads?
A: Your design is based on professional irrigation design guidelines to achieve optimum coverage suited to your individual lawn and landscape areas. Proper irrigation design provides for “Head to Head” coverage. By spacing the sprinkler heads so that the spray from one head reaches adjacent heads, water is applied evenly. The result, dry spots are eliminated and less water is used to achieve greener, healthier lawn.
Q: Can I eliminate some of the sprinkler heads?
A: If we didn’t understand what you want to be watered, deleting some heads may be possible. Did we irrigate areas that you didn’t want to water?
Q: Is it all right to mix different types of sprinklers on the same line?
A: We recommend that you DO NOT mix different types of heads on the same circuit, because each type of sprinkler applies water at a slightly different rate. You may have to overwater parts of your lawn to get the right water coverage in other areas.
Q: Why do I need so many zones?
A: The number of zones or valves you need are the result of the amount of water available to use at any one time –or flow. Your flow has been calculated in “gallons per minute” from the information you provided us. Since each sprinkler head uses a specific amount of water, the number of heads that can be connected to a valve is limited to the total requirement of all heads without exceeding your available flow.
Q: Can I reduce the number of zones in my design?
A: Perhaps. Of course, if you’re able to eliminate enough sprinkler heads, you may also be able to eliminate a circuit or two. However, keep in mind this could reduce your coverage and may cause you to water longer to get desired results.
Q: Can I move the valves, pipe and wire from where they’re shown on my design?
A: Yes. Because of graphic limitations, we often show them closer to the center of the lawn that you would like. For instance, you may want to place the valves in a planter area next to the house. Consider your design as a guideline.
Q: How do I know which valve type to use?
A: Local codes usually dictate the type of valve you are allowed to use - whether it's the standard in-line or anti-siphon design. The State of Texas (TCEQ) require back flow preventers. You can also check with your water company or local building codes to find out which type of valve they require.
Q: Why did you use more valve manifold locations than I requested?
A: It usually makes sense to locate the valves near the zones they serve. This generally improves water distribution as well as reducing the amount of pipe required.
Q: How often should I water my lawn and for how long?
A: Because each lawn is unique, the answer to this question can vary greatly. The best watering times and length of watering depends on your climate, the type of grass and soil conditions. Instead of watering for one long session, water a few times for shorter periods. This will allow water to soak in, while minimizing runoff if there are intense slopes.
Q: What should I do when it rains?
A: Most timers have a button for shutting down for rain. However, the State of Texas (TCEQ) requires connecting to a Rain Sensor Device that allows automatic shutdown during rainy weather.