Smart Home How to build a simple, smarter lawn sprinkler system for less. If an expensive and complex lawn irrigation system is out of reach, here’s a setup that gets the job done for a fraction.To install a sprinkler system, start by drawing a diagram of the area you want to irrigate and mapping out the sprinkler system, including where each sprinkler head will go. Then, dig ditches that are at least 10 inches deep for the main pipe and the branch pipes that will run from the main pipe to the sprinkler heads.This Old House landscape contractor Roger Cook shows how to water your lawn and garden-automatically. (See below for a shopping list and tools.) SUBSCRIBE to.The backflow device is located above ground, with the valve at least 12 in. above the highest sprinkler head in the yard. Most backflow devices have a valve on the horizontal and vertical pipes. Turn the valves to their open positions as shown. The sprinkler system valve is open when the handle is parallel with the pipe.Let Rain Bird help you with a FREE referral to top local contractors near you who can help select and install the best sprinkler system for your yard. Just enter your zip code and get a list of pre-screened professionals in your area.People pride themselves on a beautiful lawn, he said, but no one in his neighborhood has. nolan swenson said "it’s a complete waste" when residents use their sprinkler systems when it’s raining or.Installing an underground sprinkler is a great way to conserve water and save money on irrigation. This type of lawn irrigation system can be a complicated do-it-yourself project, but with right preparation and materials can be completed in a weekend or two.Pacific Lawn Sprinklers has been offering homeowners underground lawn sprinkler services. Whether it’s a new installation, service to an existing irrigation system, or annual maintenance, Pacific’s.Plan the System. Have the utility company mark the location of buried cables in the yard. Calculate the size of the yard with a tape measure. Measure the water pressure and determine the sprinklers’ coverage. Make a diagram on paper and plot the types and locations of the sprinkler heads. Mark the yard with flags where the sprinklers will go.