divider

Since 1985

Licensed Bonded Insured

SPRINKLER SYSTEM DESIGN

sprinkler design

There is nothing more important to an effective and efficient sprinkler system than the initial design and layout. The designer must rely on thorough knowledge of plant material, irrigation components and basic hydraulics to answer these three questions.

  1. What type of sprinkler head should be used for this part of the landscape?
  2. At what spacing should these heads be placed?
  3. How many of these head should operate at one time, (per zone)?

Sprinkler heads vary in type from gear-drive rotary, to rotary nozzle, to fixed-spray, or to micro-spray or drip lines. Each has a specific and deferent precipitation rate and therefore should not run together on the same zone for maximum efficiency.

The spacing of the sprinkler heads should be such that each head throws all the way to the next head, or "head to head" coverage. Failure to do this will expose brown areas in lawns during the warm season.

The number of sprinkler heads operating together on a specific zone should be determined by several factors. Basic hydraulics tells us not to exceed a safe water flow through any of the components including the water meter, the backflow valve, the solenoid valves and the piping. By measuring the static water pressure (water not flowing), and checking the size of the water meter, we can determine a maximum flow available for the system. But there are additional factors to consider when deciding how many heads to put on a zone. Just because good water pressure allows it, it is unwise to combine heads that water shady areas with those watering sunny areas. The results are either too little water in the sunny areas that cause browning or too much water in shady areas that cause sogginess. Similar imbalances in coverage can result from not taking into account factors such as slopes, plant material and soil type.

Our best sprinkler systems utilize the latest weather-based controller that not only measure exact rainfall, but track temperature as well. This residential controller, previously reserved for golf course and municipality applications, takes ten years of weather history for your zip code, combines that information with what it learns daily from the weather sensor and then calculates how often and for what duration the individual sprinkler zones should water. This totally eliminates the need to adjust the controller's settings throughout the watering season as temperatures rise and fall. As an added benefit, you'll use less water!

Give us a call to see how we can help you realize your dream landscape and see examples of our work here.

Soundview LS on Facebook