Slip the pipes into their appropriate fitting, and install the valves and sprinkler heads zone-by-zone where they were preciously marked.Īfter all the valves and sprinkler heads are in place, flush water through the system to make sure it's free of debris. To trench by hand, you must soften the soil and dig 8-12 inches, placing sod on one side and dirt on the other.Īfter trenching, cut your PVP pipe with pipe-cutters, following your drawing. Trenchers can be rented from a local supplier. Trenching with the trencher is much faster. Then, either trench your lawn by hand or with a trencher. At that point, you can install a shutoff valve to enable you to completely turn off your irrigation system in case you need to make repairs. Then, tap into your service line to connect your sprinkler system to the water supply, without soldering, by slipping on a compression tee. Using flags and paint, outline where your sprinkler heads and pipes will be installed. Make sure you've checked your local codes and under ground utilities before you dig. The best place to install your timer is inside your garage, to shield it from the elements. Dividing your lawn into zones will determine how many valves you'll need for your do-it-yourself sprinkler system.
A zone is a group of sprinklers that operate together using a common valve. Then, divide your sprinkler plan into zones. Use a compass to aid in drawing your sprinkler placement, to ensure that every area of your lawn is covered. In windy areas, the spray head should be closer together, to account for blow-off. They should be spaced head-to-head with their water spray overlapping to make sure there are no dry spots. Now you should plan where your sprinkler heads should be placed. It's important to have an accurate reading to prevent water hammer and costly damage to your piping system. Next, measure your water pressure, using a water pressure gauge. Provide as much information as possible in your drawing, such as sun exposure and ground cover material, including grass and shrubs.
Also, identity any slopes, trees, shrub, sidewalks, driveways, your home, or any other objects in the yard. The drawing should contain the location of your water meter and main line. Many irrigation companies supply it for you. This should be drawn to scale, which can be done easily with graph paper. First, you should create a drawing of your property from a bird's-eye view.
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