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Benefits of Having an Irrigation System
- It can save you time. By having a properly installed irrigation system, you don’t even have to be home when it comes time to water your lawn and landscape.
- It can save you money. Irrigation systems can deliver the proper amount of water needed to effectively grow a healthy lawn and landscape. By reducing water usage, you reduce cost! And with continual use, your irrigation system will pay for itself!
- It protects your investment. You’ve invested a lot of time and money into your lawn and landscape. Through proper watering you can keep them growing strong and healthy for years to come.
Different Types of Irrigation Systems
– Water is pumped into the irrigation system from a static water source, i.e. lake or pond.
– No additional water usage costs.
Metered Water System
– Water is supplied through an established water system, i.e. utility department.
– Can be tied into a house’s existing water lines.
– As the water being used is metered, monthly usage costs will increase.
Breakdown of a Standard Irrigation System Components
- Shutoff Valve – An irrigation system is like any other water appliance in your house. It’s important to make sure you have a way to shutoff the water supply. You’ll need it in the event of a water line break or of a valve that’s hung open.
- Backflow Preventer – An anti-siphon device that prevents water from your sprinkler system from being reintroduced into the municipal water supply. (It protects the potable water from contaminants.)
- Main Line – The pipes that deliver the water to the main portion of the sprinkler system. If there is a break or issue within the main line, it effects the entire system.
- Sprinkler Zone – A specified group of sprinkler heads designed to work together to ensure full area coverage of the water application.
- Zone Lines – The pipes that carry the water being delivered by the main line into each individual zone of the system. If there is a break or issue with a zone line, it generally only effects that particular zone. (In other words, you can isolate a zone off that has a broken pipe without having to shutdown the rest of the system.)
- Valves – The devices that open and closee controlling the supply of water to each zone.
- Heads – These are the “spigots” of your irrigation system. This is where water escapes the system and sprays a specified area.
- Controller – The brains of the system. The controller sends the command to each zone’s valve when it is time to open or close. Most controllers are capable of programming where you can create a water schedule that begins at a specified time.
Different Types of Irrigation Heads
There are a number of different types of heads, each designed for a different type of water application. Since we’re talking the “basics” of irrigation, I’ll break down the two most common and save the rest for Irrigation 102!
– Operate by rotating streams of water over its set zone.
– Most rotating heads come with interchangeable nozzles that allow for extended stream reach.
– Rotary heads are adjustable and rotate in a full or set-partial circle eliminating unneeded watering.
Fixed Spray Heads
– Operate by spraying a fixed water pattern.
– Typically used for smaller areas.
– Most fixed spray nozzles have a radius adjustment where you can reduce the spray distance.
Basics of Installing an Irrigation System
Now that we’ve gone over the basics, here’s a look at what the installation of an irrigation system might look like.
Laying pipe for an irrigation system doesn’t require digging out trenches in your yard. This machine is called a vibratory plow.
It makes easy work of laying full runs of pipe without having to dig a trench. The vibrating blade easily cuts through the ground, making way for the attached bore and pipe.
As the machine moves forward, it pulls the glued-together pipe into place without having to worry about backfilling.
Here’s the main supply line shut off valve during installation. Note how close it is to the water meter.
Shutoff and meter
And here’s the backflow preventer, shutoff valve, and water meter, after installation. (The mock rock on the far left covers up the backflow preventer once the installation is complete.)
When valves are installed, valve boxes will be placed on top of them before the area is backfilled so that the valves are accessible for maintenance. (The vertical pipe seen here is plumbing for drip irrigation.)
Here’s that same area after backfilling and with the valve boxes put into place.
When heads are ready to be installed, funny pipe (flexible poly tubing) is used to run between the supply lines and the heads.
Each head gets a fitting that allows for a glue- and cement-free connection to the funny pipe.
Here’s a look at what it looks like within an actual system.
When you combine all of these individual parts, you’ve created a system that can keep your lawn and landscape looking good all summer long!
So, when you invest your time and money into upgrading your curb appeal, consider protecting that investment by utilizing an irrigation system!