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For instance, you can consider the lawn front as the principal hydrozone because that’s the most active and visually important part of any institution. Plan to install the front yard zone near where cars are parked first, so it gets used regularly. You may also want to look into installing a backflow preventer if you have an outdoor spigot that is not in the direct vicinity of your sprinkler system zones.
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There are various types of heads, each with a specific purpose, and we’ll get to that in a bit. The Orbit Sprinkler System Designer (OSSD) can make this step very simple. Just upload a bird’s-eye picture of your property (which can usually be obtained online through Google Maps or similar programs) and then trace over it. You’ll only need to measure one item of your yard, like the width of your driveway, for scale and the computer does the rest. Once you’ve finished tracing and drawing (it usually takes about 30 minutes) the system will ask for the water flow information you collected in last week's blog and, bingo, you’re done.
Step 12: Keep it Maintained
Correctly choosing your sprinkler heads is one of the most necessary steps in designing your sprinkler system. There are various types of sprinkler heads, and their choice varies depending on the watering needs of your zone. Some types include Rotor sprinkler heads, spray heads, fixed sprays, bubblers, solid stream rotors, and drip irrigation. All these sprinklers feature different flow rate, pressure, and coverage.
- INSTALL
Check your string length in the table below to find your service line size. For example, if your string measures 4" and you have galvanized pipe, your service line is 1”. Once you have followed these steps and designed your sprinkler system, now is the time to install the irrigation system based on your design. Irrigation systems work in funnels; well, reverse funnels is probably a better description. This usually comes from the municipal water system, but for some people a well is used or even, in rare cases, pumps from some freshwater source like a river or lake. If the institution’s water comes from a water company, ask for the property’s water pressure report.
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Sprinklers are generally designed to deliver a certain amount of water in a specific area over time. That assumes your water pressure is “normal.” But “normal” water pressure can range from 45 to 80 pounds psi. If the pressure at your outside spigot is low, you might consider having a professional run a new one. Installing a new spigot can also allow you to tailor your sprinkler system better since you can install it wherever works best for your plans. Determining your existing pressure is another job your lawn service professional can handle.
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At DripWorks, we have a vast selection of sprinklers, valves, spray heads, and other irrigation system items you'll need to design your home sprinkler system. To install the valve, connect the irrigation line to the outlet side of the valve and the water supply to the inlet side. Depending on the water pressure and flow rate of your water supply, you can add as many zone valves as needed. The first and foremost step to designing your sprinkler system is evaluating and preparing the area of your lawn where you want to install a sprinkler system. For it, determine your lawn's actual size, shape, and unique characteristics. You will need to measure the dimensions of your yard, note any slopes or irregularities, and evaluate how much water is available from your water source.
Determine the flow rate and water pressure
Zones may include reduced irrigation zone, limited irrigation zone, routine irrigation zone, and no irrigation zone. The factors you should consider while dividing the lawn include sunlight, water, soil type, and type of plants. For this task, you'll need a tape measure, pencil, and graph paper. Measure the length and width of your lawn using the tape measure and draw it to the scale. Take the measurements from one side of the building for an accurate base of your measurements because most buildings have square corners and straight sides. You should draw all landscapes as well as hardscapes and other barriers in your drawing, such as your driveway, pathways, tree locations, and house.
Head-to-head coverage means the water from one head extends all the way to the next head. It provides even spacing and excellent water coverage of the area, ensuring no dead spots result. Now many have complained that this seems like double watering, but not so. The lawn in the example above will be watered efficiently without missing any spots, but below is an example of bad coverage which misses the center area (the part in red). Notice that there are no heads place along the center of the perimeter, but only in the corners.
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Select the right sprinkler timer (Optional)
Keep your new sprinklers performing well with regular maintenance. The Home Depot delivers online orders when and where you need them. The last thing you’ll need to figure out is your watering zones. For instance, the flower beds around the house might be one or two zones. You’ll want a trench to run from your water source out to each zone. How many sprinklers you need per zone will depend on your yard’s water pressure and water flow.
First, grouping is a good idea so you can daisy chain the main line. The main line from your water source is the most expensive run of piping that you’ll lay, so it’s best to keep these runs short. Of course, we don’t recommend putting all your boxes in the front yard, but you don’t want to space boxes all over the yard either. With the correct sprinkler heads, you’re ready to design the head layout. These are hybrids of spray and rotary that present versatile solutions for mid-size areas. The sprinkler heads have an excellent distribution pattern that goes down to 12 feet up to 28 feet.
Map out the amount of water coverage you’ll need from your sprinklers. Decide where to place sprinkler heads and how many you’ll need. Make sure to overlap sprinkler head sprays to prevent dry spots. With all the sprinkler heads on your property sketch, break up the hydrozones into smaller areas that can be set up on a single valve or zone on a controller. Finally, combine small sprinkler heads into clusters of various circuits, and each cluster will be controlled by one valve.
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