Most of the people know that their lawn needs one inch of water every week, however, what most do not know is: for how long they have to run the sprinklers to have that one inch of water in their lawn? That is what we will discuss in this blog.
The first thing that you need to know is the precipitation equation that is used to tell how much water a sprinkling system provides to a lawn; following is the precipitation equation.
As you can see, you can calculate the precipitation rate (inches per hour) by multiplying 96.3, which is a constant, by the Gallons Per Minute (GPM) applied to the area, then it is divided by the spacing between the two rows of sprinklers.
So what is sprinkler spacing?
Sprinkler System are installed following a scheme, known as head-to-head spacing, in which the sprinkler heads are placed in an order, where the spray from a head reaches the heads next to it. The space between two sprinkler head is the sprinkler spacing; you can measure it using a measuring tape, if you do not know what it is in your system. Or any sprinkler repair professional can help you with that.
Following is an example of spacing:
How to calculate Gallons per Minute?
To know how much water a head emits, check the sprinkler head, as the manufacturers provide this information on it.
The equation gives you all the information you need when it comes to water needs of a region, and for how long you have to run your sprinkler system. However, that is not everything; other factor that you need to know is the rainfall in your area, you have to regulate the amount of water your lawn needs based on the rainfall. If this seems too much to you, in Castle Rock Sprinkler Repair professional are available who can help you with the calculation, hire one.
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